annotate src/http/v2/ngx_http_v2_filter_module.c @ 9158:ad3d34ddfdcc

QUIC: "handshake_timeout" configuration parameter. Previously QUIC did not have such parameter and handshake duration was controlled by HTTP/3. However that required creating and storing HTTP/3 session on first client datagram. Apparently there's no convenient way to store the session object until QUIC handshake is complete. In the followup patches session creation will be postponed to init() callback.
author Roman Arutyunyan <arut@nginx.com>
date Wed, 13 Sep 2023 17:59:37 +0400
parents 262c01782566
children 23f109f0facc
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1
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2 /*
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3 * Copyright (C) Nginx, Inc.
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4 * Copyright (C) Valentin V. Bartenev
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5 * Copyright (C) Ruslan Ermilov
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6 */
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7
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8
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9 #include <ngx_config.h>
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10 #include <ngx_core.h>
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11 #include <ngx_http.h>
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12 #include <nginx.h>
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13 #include <ngx_http_v2_module.h>
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14
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15
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16 /*
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17 * This returns precise number of octets for values in range 0..253
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18 * and estimate number for the rest, but not smaller than required.
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19 */
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20
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21 #define ngx_http_v2_integer_octets(v) (1 + (v) / 127)
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23 #define ngx_http_v2_literal_size(h) \
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24 (ngx_http_v2_integer_octets(sizeof(h) - 1) + sizeof(h) - 1)
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25
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26
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27 #define NGX_HTTP_V2_NO_TRAILERS (ngx_http_v2_out_frame_t *) -1
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29
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30 static ngx_http_v2_out_frame_t *ngx_http_v2_create_headers_frame(
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31 ngx_http_request_t *r, u_char *pos, u_char *end, ngx_uint_t fin);
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32 static ngx_http_v2_out_frame_t *ngx_http_v2_create_trailers_frame(
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33 ngx_http_request_t *r);
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34
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35 static ngx_chain_t *ngx_http_v2_send_chain(ngx_connection_t *fc,
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36 ngx_chain_t *in, off_t limit);
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37
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38 static ngx_chain_t *ngx_http_v2_filter_get_shadow(
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39 ngx_http_v2_stream_t *stream, ngx_buf_t *buf, off_t offset, off_t size);
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40 static ngx_http_v2_out_frame_t *ngx_http_v2_filter_get_data_frame(
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41 ngx_http_v2_stream_t *stream, size_t len, ngx_chain_t *first,
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42 ngx_chain_t *last);
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43
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44 static ngx_inline ngx_int_t ngx_http_v2_flow_control(
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45 ngx_http_v2_connection_t *h2c, ngx_http_v2_stream_t *stream);
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46 static void ngx_http_v2_waiting_queue(ngx_http_v2_connection_t *h2c,
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47 ngx_http_v2_stream_t *stream);
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48
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49 static ngx_inline ngx_int_t ngx_http_v2_filter_send(
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50 ngx_connection_t *fc, ngx_http_v2_stream_t *stream);
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51
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52 static ngx_int_t ngx_http_v2_headers_frame_handler(
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53 ngx_http_v2_connection_t *h2c, ngx_http_v2_out_frame_t *frame);
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54 static ngx_int_t ngx_http_v2_data_frame_handler(
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55 ngx_http_v2_connection_t *h2c, ngx_http_v2_out_frame_t *frame);
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56 static ngx_inline void ngx_http_v2_handle_frame(
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57 ngx_http_v2_stream_t *stream, ngx_http_v2_out_frame_t *frame);
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58 static ngx_inline void ngx_http_v2_handle_stream(
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59 ngx_http_v2_connection_t *h2c, ngx_http_v2_stream_t *stream);
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60
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61 static void ngx_http_v2_filter_cleanup(void *data);
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62
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63 static ngx_int_t ngx_http_v2_filter_init(ngx_conf_t *cf);
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64
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65
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66 static ngx_http_module_t ngx_http_v2_filter_module_ctx = {
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67 NULL, /* preconfiguration */
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68 ngx_http_v2_filter_init, /* postconfiguration */
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69
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70 NULL, /* create main configuration */
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71 NULL, /* init main configuration */
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72
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73 NULL, /* create server configuration */
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74 NULL, /* merge server configuration */
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75
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76 NULL, /* create location configuration */
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77 NULL /* merge location configuration */
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78 };
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80
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81 ngx_module_t ngx_http_v2_filter_module = {
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82 NGX_MODULE_V1,
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83 &ngx_http_v2_filter_module_ctx, /* module context */
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84 NULL, /* module directives */
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85 NGX_HTTP_MODULE, /* module type */
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86 NULL, /* init master */
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87 NULL, /* init module */
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88 NULL, /* init process */
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89 NULL, /* init thread */
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90 NULL, /* exit thread */
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91 NULL, /* exit process */
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92 NULL, /* exit master */
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93 NGX_MODULE_V1_PADDING
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94 };
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95
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96
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97 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
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98
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99
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100 static ngx_int_t
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101 ngx_http_v2_header_filter(ngx_http_request_t *r)
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102 {
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103 u_char status, *pos, *start, *p, *tmp;
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104 size_t len, tmp_len;
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105 ngx_str_t host, location;
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106 ngx_uint_t i, port, fin;
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107 ngx_list_part_t *part;
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108 ngx_table_elt_t *header;
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109 ngx_connection_t *fc;
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110 ngx_http_cleanup_t *cln;
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111 ngx_http_v2_stream_t *stream;
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112 ngx_http_v2_out_frame_t *frame;
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113 ngx_http_v2_connection_t *h2c;
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114 ngx_http_core_loc_conf_t *clcf;
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115 ngx_http_core_srv_conf_t *cscf;
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116 u_char addr[NGX_SOCKADDR_STRLEN];
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117
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118 static const u_char nginx[5] = "\x84\xaa\x63\x55\xe7";
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119 #if (NGX_HTTP_GZIP)
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120 static const u_char accept_encoding[12] =
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121 "\x8b\x84\x84\x2d\x69\x5b\x05\x44\x3c\x86\xaa\x6f";
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122 #endif
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diff changeset
123
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
124 static size_t nginx_ver_len = ngx_http_v2_literal_size(NGINX_VER);
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
125 static u_char nginx_ver[ngx_http_v2_literal_size(NGINX_VER)];
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
126
6885
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
127 static size_t nginx_ver_build_len =
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
128 ngx_http_v2_literal_size(NGINX_VER_BUILD);
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
129 static u_char nginx_ver_build[ngx_http_v2_literal_size(NGINX_VER_BUILD)];
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
130
7191
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
131 stream = r->stream;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
132
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
133 if (!stream) {
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
134 return ngx_http_next_header_filter(r);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
135 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
136
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
137 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
138 "http2 header filter");
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
139
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
140 if (r->header_sent) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
141 return NGX_OK;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
142 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
143
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
144 r->header_sent = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
145
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
146 if (r != r->main) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
147 return NGX_OK;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
148 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
149
6637
699e409a3e0c HTTP/2: prevented output of the HEADERS frame for canceled streams.
Valentin Bartenev <vbart@nginx.com>
parents: 6600
diff changeset
150 fc = r->connection;
699e409a3e0c HTTP/2: prevented output of the HEADERS frame for canceled streams.
Valentin Bartenev <vbart@nginx.com>
parents: 6600
diff changeset
151
699e409a3e0c HTTP/2: prevented output of the HEADERS frame for canceled streams.
Valentin Bartenev <vbart@nginx.com>
parents: 6600
diff changeset
152 if (fc->error) {
699e409a3e0c HTTP/2: prevented output of the HEADERS frame for canceled streams.
Valentin Bartenev <vbart@nginx.com>
parents: 6600
diff changeset
153 return NGX_ERROR;
699e409a3e0c HTTP/2: prevented output of the HEADERS frame for canceled streams.
Valentin Bartenev <vbart@nginx.com>
parents: 6600
diff changeset
154 }
699e409a3e0c HTTP/2: prevented output of the HEADERS frame for canceled streams.
Valentin Bartenev <vbart@nginx.com>
parents: 6600
diff changeset
155
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
156 if (r->method == NGX_HTTP_HEAD) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
157 r->header_only = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
158 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
159
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
160 switch (r->headers_out.status) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
161
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
162 case NGX_HTTP_OK:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
163 status = ngx_http_v2_indexed(NGX_HTTP_V2_STATUS_200_INDEX);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
164 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
165
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
166 case NGX_HTTP_NO_CONTENT:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
167 r->header_only = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
168
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
169 ngx_str_null(&r->headers_out.content_type);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
170
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
171 r->headers_out.content_length = NULL;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
172 r->headers_out.content_length_n = -1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
173
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
174 r->headers_out.last_modified_time = -1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
175 r->headers_out.last_modified = NULL;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
176
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
177 status = ngx_http_v2_indexed(NGX_HTTP_V2_STATUS_204_INDEX);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
178 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
179
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
180 case NGX_HTTP_PARTIAL_CONTENT:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
181 status = ngx_http_v2_indexed(NGX_HTTP_V2_STATUS_206_INDEX);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
182 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
183
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
184 case NGX_HTTP_NOT_MODIFIED:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
185 r->header_only = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
186 status = ngx_http_v2_indexed(NGX_HTTP_V2_STATUS_304_INDEX);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
187 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
188
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
189 default:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
190 r->headers_out.last_modified_time = -1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
191 r->headers_out.last_modified = NULL;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
192
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
193 switch (r->headers_out.status) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
194
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
195 case NGX_HTTP_BAD_REQUEST:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
196 status = ngx_http_v2_indexed(NGX_HTTP_V2_STATUS_400_INDEX);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
197 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
198
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
199 case NGX_HTTP_NOT_FOUND:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
200 status = ngx_http_v2_indexed(NGX_HTTP_V2_STATUS_404_INDEX);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
201 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
202
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
203 case NGX_HTTP_INTERNAL_SERVER_ERROR:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
204 status = ngx_http_v2_indexed(NGX_HTTP_V2_STATUS_500_INDEX);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
205 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
206
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
207 default:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
208 status = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
209 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
210 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
211
7191
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
212 h2c = stream->connection;
7100
12cadc4669a7 HTTP/2: signal 0-byte HPACK's dynamic table size.
Piotr Sikora <piotrsikora@google.com>
parents: 7035
diff changeset
213
12cadc4669a7 HTTP/2: signal 0-byte HPACK's dynamic table size.
Piotr Sikora <piotrsikora@google.com>
parents: 7035
diff changeset
214 len = h2c->table_update ? 1 : 0;
12cadc4669a7 HTTP/2: signal 0-byte HPACK's dynamic table size.
Piotr Sikora <piotrsikora@google.com>
parents: 7035
diff changeset
215
12cadc4669a7 HTTP/2: signal 0-byte HPACK's dynamic table size.
Piotr Sikora <piotrsikora@google.com>
parents: 7035
diff changeset
216 len += status ? 1 : 1 + ngx_http_v2_literal_size("418");
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
217
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
218 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
219
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
220 if (r->headers_out.server == NULL) {
6885
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
221
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
222 if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_ON) {
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
223 len += 1 + nginx_ver_len;
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
224
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
225 } else if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_BUILD) {
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
226 len += 1 + nginx_ver_build_len;
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
227
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
228 } else {
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
229 len += 1 + sizeof(nginx);
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
230 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
231 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
232
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
233 if (r->headers_out.date == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
234 len += 1 + ngx_http_v2_literal_size("Wed, 31 Dec 1986 18:00:00 GMT");
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
235 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
236
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
237 if (r->headers_out.content_type.len) {
6274
b2de4a56b860 HTTP/2: fixed header block size calculation.
Valentin Bartenev <vbart@nginx.com>
parents: 6251
diff changeset
238 len += 1 + NGX_HTTP_V2_INT_OCTETS + r->headers_out.content_type.len;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
239
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
240 if (r->headers_out.content_type_len == r->headers_out.content_type.len
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
241 && r->headers_out.charset.len)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
242 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
243 len += sizeof("; charset=") - 1 + r->headers_out.charset.len;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
244 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
245 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
247 if (r->headers_out.content_length == NULL
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
248 && r->headers_out.content_length_n >= 0)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
249 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
250 len += 1 + ngx_http_v2_integer_octets(NGX_OFF_T_LEN) + NGX_OFF_T_LEN;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
251 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
252
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
253 if (r->headers_out.last_modified == NULL
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
254 && r->headers_out.last_modified_time != -1)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
255 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
256 len += 1 + ngx_http_v2_literal_size("Wed, 31 Dec 1986 18:00:00 GMT");
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
257 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
258
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
259 if (r->headers_out.location && r->headers_out.location->value.len) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
260
6852
d15172ebb400 Core: relative redirects (closes #1000).
Ruslan Ermilov <ru@nginx.com>
parents: 6833
diff changeset
261 if (r->headers_out.location->value.data[0] == '/'
d15172ebb400 Core: relative redirects (closes #1000).
Ruslan Ermilov <ru@nginx.com>
parents: 6833
diff changeset
262 && clcf->absolute_redirect)
d15172ebb400 Core: relative redirects (closes #1000).
Ruslan Ermilov <ru@nginx.com>
parents: 6833
diff changeset
263 {
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
264 if (clcf->server_name_in_redirect) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
265 cscf = ngx_http_get_module_srv_conf(r, ngx_http_core_module);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
266 host = cscf->server_name;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
267
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
268 } else if (r->headers_in.server.len) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
269 host = r->headers_in.server;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
270
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
271 } else {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
272 host.len = NGX_SOCKADDR_STRLEN;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
273 host.data = addr;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
274
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
275 if (ngx_connection_local_sockaddr(fc, &host, 0) != NGX_OK) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
276 return NGX_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
277 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
278 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
279
6593
b3b7e33083ac Introduced ngx_inet_get_port() and ngx_inet_set_port() functions.
Roman Arutyunyan <arut@nginx.com>
parents: 6451
diff changeset
280 port = ngx_inet_get_port(fc->local_sockaddr);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
281
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
282 location.len = sizeof("https://") - 1 + host.len
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
283 + r->headers_out.location->value.len;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
284
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
285 if (clcf->port_in_redirect) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
286
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
287 #if (NGX_HTTP_SSL)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
288 if (fc->ssl)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
289 port = (port == 443) ? 0 : port;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
290 else
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
291 #endif
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
292 port = (port == 80) ? 0 : port;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
293
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
294 } else {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
295 port = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
296 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
297
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
298 if (port) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
299 location.len += sizeof(":65535") - 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
300 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
301
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
302 location.data = ngx_pnalloc(r->pool, location.len);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
303 if (location.data == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
304 return NGX_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
305 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
306
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
307 p = ngx_cpymem(location.data, "http", sizeof("http") - 1);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
308
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
309 #if (NGX_HTTP_SSL)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
310 if (fc->ssl) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
311 *p++ = 's';
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
312 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
313 #endif
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
314
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
315 *p++ = ':'; *p++ = '/'; *p++ = '/';
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
316 p = ngx_cpymem(p, host.data, host.len);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
317
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
318 if (port) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
319 p = ngx_sprintf(p, ":%ui", port);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
320 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
321
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
322 p = ngx_cpymem(p, r->headers_out.location->value.data,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
323 r->headers_out.location->value.len);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
324
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
325 /* update r->headers_out.location->value for possible logging */
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
326
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
327 r->headers_out.location->value.len = p - location.data;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
328 r->headers_out.location->value.data = location.data;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
329 ngx_str_set(&r->headers_out.location->key, "Location");
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
330 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
331
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
332 r->headers_out.location->hash = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
333
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
334 len += 1 + NGX_HTTP_V2_INT_OCTETS + r->headers_out.location->value.len;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
335 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
336
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
337 tmp_len = len;
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
338
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
339 #if (NGX_HTTP_GZIP)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
340 if (r->gzip_vary) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
341 if (clcf->gzip_vary) {
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
342 len += 1 + sizeof(accept_encoding);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
343
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
344 } else {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
345 r->gzip_vary = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
346 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
347 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
348 #endif
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
349
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
350 part = &r->headers_out.headers.part;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
351 header = part->elts;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
352
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
353 for (i = 0; /* void */; i++) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
354
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
355 if (i >= part->nelts) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
356 if (part->next == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
357 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
358 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
359
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
360 part = part->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
361 header = part->elts;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
362 i = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
363 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
364
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
365 if (header[i].hash == 0) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
366 continue;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
367 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
368
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
369 if (header[i].key.len > NGX_HTTP_V2_MAX_FIELD) {
6400
b4c28876d2c3 HTTP/2: use local pointer instead of r->connection.
Valentin Bartenev <vbart@nginx.com>
parents: 6395
diff changeset
370 ngx_log_error(NGX_LOG_CRIT, fc->log, 0,
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
371 "too long response header name: \"%V\"",
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
372 &header[i].key);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
373 return NGX_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
374 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
375
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
376 if (header[i].value.len > NGX_HTTP_V2_MAX_FIELD) {
6400
b4c28876d2c3 HTTP/2: use local pointer instead of r->connection.
Valentin Bartenev <vbart@nginx.com>
parents: 6395
diff changeset
377 ngx_log_error(NGX_LOG_CRIT, fc->log, 0,
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
378 "too long response header value: \"%V: %V\"",
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
379 &header[i].key, &header[i].value);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
380 return NGX_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
381 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
382
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
383 len += 1 + NGX_HTTP_V2_INT_OCTETS + header[i].key.len
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
384 + NGX_HTTP_V2_INT_OCTETS + header[i].value.len;
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
385
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
386 if (header[i].key.len > tmp_len) {
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
387 tmp_len = header[i].key.len;
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
388 }
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
389
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
390 if (header[i].value.len > tmp_len) {
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
391 tmp_len = header[i].value.len;
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
392 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
393 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
394
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
395 tmp = ngx_palloc(r->pool, tmp_len);
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
396 pos = ngx_pnalloc(r->pool, len);
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
397
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
398 if (pos == NULL || tmp == NULL) {
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
399 return NGX_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
400 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
401
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
402 start = pos;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
403
7100
12cadc4669a7 HTTP/2: signal 0-byte HPACK's dynamic table size.
Piotr Sikora <piotrsikora@google.com>
parents: 7035
diff changeset
404 if (h2c->table_update) {
12cadc4669a7 HTTP/2: signal 0-byte HPACK's dynamic table size.
Piotr Sikora <piotrsikora@google.com>
parents: 7035
diff changeset
405 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, fc->log, 0,
12cadc4669a7 HTTP/2: signal 0-byte HPACK's dynamic table size.
Piotr Sikora <piotrsikora@google.com>
parents: 7035
diff changeset
406 "http2 table size update: 0");
12cadc4669a7 HTTP/2: signal 0-byte HPACK's dynamic table size.
Piotr Sikora <piotrsikora@google.com>
parents: 7035
diff changeset
407 *pos++ = (1 << 5) | 0;
12cadc4669a7 HTTP/2: signal 0-byte HPACK's dynamic table size.
Piotr Sikora <piotrsikora@google.com>
parents: 7035
diff changeset
408 h2c->table_update = 0;
12cadc4669a7 HTTP/2: signal 0-byte HPACK's dynamic table size.
Piotr Sikora <piotrsikora@google.com>
parents: 7035
diff changeset
409 }
12cadc4669a7 HTTP/2: signal 0-byte HPACK's dynamic table size.
Piotr Sikora <piotrsikora@google.com>
parents: 7035
diff changeset
410
6401
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
411 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, fc->log, 0,
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
412 "http2 output header: \":status: %03ui\"",
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
413 r->headers_out.status);
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
414
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
415 if (status) {
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
416 *pos++ = status;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
417
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
418 } else {
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
419 *pos++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_STATUS_INDEX);
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
420 *pos++ = NGX_HTTP_V2_ENCODE_RAW | 3;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
421 pos = ngx_sprintf(pos, "%03ui", r->headers_out.status);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
422 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
423
6449
e5076b96fd01 Reconsidered server_tokens with an empty value.
Ruslan Ermilov <ru@nginx.com>
parents: 6434
diff changeset
424 if (r->headers_out.server == NULL) {
6885
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
425
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
426 if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_ON) {
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
427 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, fc->log, 0,
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
428 "http2 output header: \"server: %s\"",
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
429 NGINX_VER);
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
430
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
431 } else if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_BUILD) {
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
432 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, fc->log, 0,
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
433 "http2 output header: \"server: %s\"",
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
434 NGINX_VER_BUILD);
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
435
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
436 } else {
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
437 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, fc->log, 0,
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
438 "http2 output header: \"server: nginx\"");
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
439 }
6401
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
440
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
441 *pos++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_SERVER_INDEX);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
442
6885
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
443 if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_ON) {
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
444 if (nginx_ver[0] == '\0') {
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
445 p = ngx_http_v2_write_value(nginx_ver, (u_char *) NGINX_VER,
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
446 sizeof(NGINX_VER) - 1, tmp);
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
447 nginx_ver_len = p - nginx_ver;
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
448 }
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
449
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
450 pos = ngx_cpymem(pos, nginx_ver, nginx_ver_len);
6451
155871d773cc Backed out server_tokens changes.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6449
diff changeset
451
6885
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
452 } else if (clcf->server_tokens == NGX_HTTP_SERVER_TOKENS_BUILD) {
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
453 if (nginx_ver_build[0] == '\0') {
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
454 p = ngx_http_v2_write_value(nginx_ver_build,
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
455 (u_char *) NGINX_VER_BUILD,
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
456 sizeof(NGINX_VER_BUILD) - 1, tmp);
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
457 nginx_ver_build_len = p - nginx_ver_build;
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
458 }
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
459
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
460 pos = ngx_cpymem(pos, nginx_ver_build, nginx_ver_build_len);
25203fc377fb Implemented the "server_tokens build" option.
Ruslan Ermilov <ru@nginx.com>
parents: 6852
diff changeset
461
6451
155871d773cc Backed out server_tokens changes.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6449
diff changeset
462 } else {
155871d773cc Backed out server_tokens changes.
Maxim Dounin <mdounin@mdounin.ru>
parents: 6449
diff changeset
463 pos = ngx_cpymem(pos, nginx, sizeof(nginx));
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
464 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
465 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
466
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
467 if (r->headers_out.date == NULL) {
6401
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
468 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, fc->log, 0,
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
469 "http2 output header: \"date: %V\"",
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
470 &ngx_cached_http_time);
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
471
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
472 *pos++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_DATE_INDEX);
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
473 pos = ngx_http_v2_write_value(pos, ngx_cached_http_time.data,
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
474 ngx_cached_http_time.len, tmp);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
475 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
476
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
477 if (r->headers_out.content_type.len) {
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
478 *pos++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_CONTENT_TYPE_INDEX);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
479
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
480 if (r->headers_out.content_type_len == r->headers_out.content_type.len
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
481 && r->headers_out.charset.len)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
482 {
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
483 len = r->headers_out.content_type.len + sizeof("; charset=") - 1
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
484 + r->headers_out.charset.len;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
485
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
486 p = ngx_pnalloc(r->pool, len);
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
487 if (p == NULL) {
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
488 return NGX_ERROR;
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
489 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
490
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
491 p = ngx_cpymem(p, r->headers_out.content_type.data,
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
492 r->headers_out.content_type.len);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
493
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
494 p = ngx_cpymem(p, "; charset=", sizeof("; charset=") - 1);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
495
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
496 p = ngx_cpymem(p, r->headers_out.charset.data,
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
497 r->headers_out.charset.len);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
498
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
499 /* updated r->headers_out.content_type is also needed for logging */
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
500
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
501 r->headers_out.content_type.len = len;
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
502 r->headers_out.content_type.data = p - len;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
503 }
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
504
6401
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
505 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, fc->log, 0,
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
506 "http2 output header: \"content-type: %V\"",
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
507 &r->headers_out.content_type);
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
508
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
509 pos = ngx_http_v2_write_value(pos, r->headers_out.content_type.data,
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
510 r->headers_out.content_type.len, tmp);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
511 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
512
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
513 if (r->headers_out.content_length == NULL
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
514 && r->headers_out.content_length_n >= 0)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
515 {
6401
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
516 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, fc->log, 0,
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
517 "http2 output header: \"content-length: %O\"",
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
518 r->headers_out.content_length_n);
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
519
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
520 *pos++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_CONTENT_LENGTH_INDEX);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
521
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
522 p = pos;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
523 pos = ngx_sprintf(pos + 1, "%O", r->headers_out.content_length_n);
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
524 *p = NGX_HTTP_V2_ENCODE_RAW | (u_char) (pos - p - 1);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
525 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
526
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
527 if (r->headers_out.last_modified == NULL
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
528 && r->headers_out.last_modified_time != -1)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
529 {
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
530 *pos++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_LAST_MODIFIED_INDEX);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
531
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
532 ngx_http_time(pos, r->headers_out.last_modified_time);
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
533 len = sizeof("Wed, 31 Dec 1986 18:00:00 GMT") - 1;
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
534
6401
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
535 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, fc->log, 0,
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
536 "http2 output header: \"last-modified: %*s\"",
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
537 len, pos);
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
538
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
539 /*
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
540 * Date will always be encoded using huffman in the temporary buffer,
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
541 * so it's safe here to use src and dst pointing to the same address.
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
542 */
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
543 pos = ngx_http_v2_write_value(pos, pos, len, tmp);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
544 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
545
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
546 if (r->headers_out.location && r->headers_out.location->value.len) {
6401
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
547 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, fc->log, 0,
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
548 "http2 output header: \"location: %V\"",
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
549 &r->headers_out.location->value);
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
550
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
551 *pos++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_LOCATION_INDEX);
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
552 pos = ngx_http_v2_write_value(pos, r->headers_out.location->value.data,
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
553 r->headers_out.location->value.len, tmp);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
554 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
555
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
556 #if (NGX_HTTP_GZIP)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
557 if (r->gzip_vary) {
6401
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
558 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, fc->log, 0,
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
559 "http2 output header: \"vary: Accept-Encoding\"");
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
560
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
561 *pos++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_VARY_INDEX);
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
562 pos = ngx_cpymem(pos, accept_encoding, sizeof(accept_encoding));
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
563 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
564 #endif
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
565
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
566 part = &r->headers_out.headers.part;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
567 header = part->elts;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
568
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
569 for (i = 0; /* void */; i++) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
570
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
571 if (i >= part->nelts) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
572 if (part->next == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
573 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
574 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
575
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
576 part = part->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
577 header = part->elts;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
578 i = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
579 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
580
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
581 if (header[i].hash == 0) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
582 continue;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
583 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
584
6401
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
585 #if (NGX_DEBUG)
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
586 if (fc->log->log_level & NGX_LOG_DEBUG_HTTP) {
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
587 ngx_strlow(tmp, header[i].key.data, header[i].key.len);
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
588
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
589 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, fc->log, 0,
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
590 "http2 output header: \"%*s: %V\"",
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
591 header[i].key.len, tmp, &header[i].value);
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
592 }
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
593 #endif
6812ca9a8002 HTTP/2: added debug logging of response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6400
diff changeset
594
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
595 *pos++ = 0;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
596
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
597 pos = ngx_http_v2_write_name(pos, header[i].key.data,
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
598 header[i].key.len, tmp);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
599
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
600 pos = ngx_http_v2_write_value(pos, header[i].value.data,
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
601 header[i].value.len, tmp);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
602 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
603
7235
c2a0a838c40f gRPC: special handling of "trailer only" responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7229
diff changeset
604 fin = r->header_only
c2a0a838c40f gRPC: special handling of "trailer only" responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7229
diff changeset
605 || (r->headers_out.content_length_n == 0 && !r->expect_trailers);
c2a0a838c40f gRPC: special handling of "trailer only" responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7229
diff changeset
606
c2a0a838c40f gRPC: special handling of "trailer only" responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7229
diff changeset
607 frame = ngx_http_v2_create_headers_frame(r, start, pos, fin);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
608 if (frame == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
609 return NGX_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
610 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
611
7191
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
612 ngx_http_v2_queue_blocked_frame(h2c, frame);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
613
9121
262c01782566 HTTP/2: removed server push (ticket #2432).
Sergey Kandaurov <pluknet@nginx.com>
parents: 8024
diff changeset
614 stream->queued = 1;
7004
b624fbf7bee2 HTTP/2: fixed segfault when memory allocation failed.
Valentin Bartenev <vbart@nginx.com>
parents: 6953
diff changeset
615
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
616 cln = ngx_http_cleanup_add(r, 0);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
617 if (cln == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
618 return NGX_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
619 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
620
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
621 cln->handler = ngx_http_v2_filter_cleanup;
7191
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
622 cln->data = stream;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
623
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
624 fc->send_chain = ngx_http_v2_send_chain;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
625 fc->need_last_buf = 1;
8006
32b0ba4855a6 HTTP/2: made it possible to flush response headers (ticket #1743).
Maxim Dounin <mdounin@mdounin.ru>
parents: 7975
diff changeset
626 fc->need_flush_buf = 1;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
627
7191
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
628 return ngx_http_v2_filter_send(fc, stream);
7035
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
629 }
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
630
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
631
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
632 static ngx_http_v2_out_frame_t *
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
633 ngx_http_v2_create_headers_frame(ngx_http_request_t *r, u_char *pos,
7035
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
634 u_char *end, ngx_uint_t fin)
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
635 {
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
636 u_char type, flags;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
637 size_t rest, frame_size;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
638 ngx_buf_t *b;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
639 ngx_chain_t *cl, **ll;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
640 ngx_http_v2_stream_t *stream;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
641 ngx_http_v2_out_frame_t *frame;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
642
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
643 stream = r->stream;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
644 rest = end - pos;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
645
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
646 frame = ngx_palloc(r->pool, sizeof(ngx_http_v2_out_frame_t));
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
647 if (frame == NULL) {
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
648 return NULL;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
649 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
650
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
651 frame->handler = ngx_http_v2_headers_frame_handler;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
652 frame->stream = stream;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
653 frame->length = rest;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
654 frame->blocked = 1;
7035
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
655 frame->fin = fin;
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
656
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
657 ll = &frame->first;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
658
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
659 type = NGX_HTTP_V2_HEADERS_FRAME;
7035
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
660 flags = fin ? NGX_HTTP_V2_END_STREAM_FLAG : NGX_HTTP_V2_NO_FLAG;
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
661 frame_size = stream->connection->frame_size;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
662
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
663 for ( ;; ) {
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
664 if (rest <= frame_size) {
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
665 frame_size = rest;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
666 flags |= NGX_HTTP_V2_END_HEADERS_FLAG;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
667 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
668
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
669 b = ngx_create_temp_buf(r->pool, NGX_HTTP_V2_FRAME_HEADER_SIZE);
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
670 if (b == NULL) {
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
671 return NULL;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
672 }
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
673
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
674 b->last = ngx_http_v2_write_len_and_type(b->last, frame_size, type);
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
675 *b->last++ = flags;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
676 b->last = ngx_http_v2_write_sid(b->last, stream->node->id);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
677
6293
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
678 b->tag = (ngx_buf_tag_t) &ngx_http_v2_module;
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
679
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
680 cl = ngx_alloc_chain_link(r->pool);
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
681 if (cl == NULL) {
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
682 return NULL;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
683 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
684
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
685 cl->buf = b;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
686
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
687 *ll = cl;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
688 ll = &cl->next;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
689
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
690 b = ngx_calloc_buf(r->pool);
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
691 if (b == NULL) {
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
692 return NULL;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
693 }
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
694
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
695 b->pos = pos;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
696
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
697 pos += frame_size;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
698
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
699 b->last = pos;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
700 b->start = b->pos;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
701 b->end = b->last;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
702 b->temporary = 1;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
703
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
704 cl = ngx_alloc_chain_link(r->pool);
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
705 if (cl == NULL) {
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
706 return NULL;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
707 }
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
708
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
709 cl->buf = b;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
710
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
711 *ll = cl;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
712 ll = &cl->next;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
713
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
714 rest -= frame_size;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
715
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
716 if (rest) {
6952
afc60bd9008f HTTP/2: fix $bytes_sent variable.
Piotr Sikora <piotrsikora@google.com>
parents: 6885
diff changeset
717 frame->length += NGX_HTTP_V2_FRAME_HEADER_SIZE;
afc60bd9008f HTTP/2: fix $bytes_sent variable.
Piotr Sikora <piotrsikora@google.com>
parents: 6885
diff changeset
718
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
719 type = NGX_HTTP_V2_CONTINUATION_FRAME;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
720 flags = NGX_HTTP_V2_NO_FLAG;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
721 continue;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
722 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
723
7035
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
724 b->last_buf = fin;
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
725 cl->next = NULL;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
726 frame->last = cl;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
727
7241
190591ab0d76 HTTP/2: improved frame info debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7235
diff changeset
728 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
190591ab0d76 HTTP/2: improved frame info debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7235
diff changeset
729 "http2:%ui create HEADERS frame %p: len:%uz fin:%ui",
190591ab0d76 HTTP/2: improved frame info debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7235
diff changeset
730 stream->node->id, frame, frame->length, fin);
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
731
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
732 return frame;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
733 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
734 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
735
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
736
7191
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
737 static ngx_http_v2_out_frame_t *
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
738 ngx_http_v2_create_trailers_frame(ngx_http_request_t *r)
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
739 {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
740 u_char *pos, *start, *tmp;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
741 size_t len, tmp_len;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
742 ngx_uint_t i;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
743 ngx_list_part_t *part;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
744 ngx_table_elt_t *header;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
745 ngx_connection_t *fc;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
746
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
747 fc = r->connection;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
748 len = 0;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
749 tmp_len = 0;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
750
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
751 part = &r->headers_out.trailers.part;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
752 header = part->elts;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
753
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
754 for (i = 0; /* void */; i++) {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
755
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
756 if (i >= part->nelts) {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
757 if (part->next == NULL) {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
758 break;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
759 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
760
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
761 part = part->next;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
762 header = part->elts;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
763 i = 0;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
764 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
765
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
766 if (header[i].hash == 0) {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
767 continue;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
768 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
769
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
770 if (header[i].key.len > NGX_HTTP_V2_MAX_FIELD) {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
771 ngx_log_error(NGX_LOG_CRIT, fc->log, 0,
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
772 "too long response trailer name: \"%V\"",
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
773 &header[i].key);
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
774 return NULL;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
775 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
776
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
777 if (header[i].value.len > NGX_HTTP_V2_MAX_FIELD) {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
778 ngx_log_error(NGX_LOG_CRIT, fc->log, 0,
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
779 "too long response trailer value: \"%V: %V\"",
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
780 &header[i].key, &header[i].value);
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
781 return NULL;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
782 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
783
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
784 len += 1 + NGX_HTTP_V2_INT_OCTETS + header[i].key.len
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
785 + NGX_HTTP_V2_INT_OCTETS + header[i].value.len;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
786
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
787 if (header[i].key.len > tmp_len) {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
788 tmp_len = header[i].key.len;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
789 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
790
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
791 if (header[i].value.len > tmp_len) {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
792 tmp_len = header[i].value.len;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
793 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
794 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
795
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
796 if (len == 0) {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
797 return NGX_HTTP_V2_NO_TRAILERS;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
798 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
799
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
800 tmp = ngx_palloc(r->pool, tmp_len);
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
801 pos = ngx_pnalloc(r->pool, len);
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
802
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
803 if (pos == NULL || tmp == NULL) {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
804 return NULL;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
805 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
806
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
807 start = pos;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
808
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
809 part = &r->headers_out.trailers.part;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
810 header = part->elts;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
811
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
812 for (i = 0; /* void */; i++) {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
813
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
814 if (i >= part->nelts) {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
815 if (part->next == NULL) {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
816 break;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
817 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
818
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
819 part = part->next;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
820 header = part->elts;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
821 i = 0;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
822 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
823
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
824 if (header[i].hash == 0) {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
825 continue;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
826 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
827
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
828 #if (NGX_DEBUG)
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
829 if (fc->log->log_level & NGX_LOG_DEBUG_HTTP) {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
830 ngx_strlow(tmp, header[i].key.data, header[i].key.len);
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
831
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
832 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, fc->log, 0,
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
833 "http2 output trailer: \"%*s: %V\"",
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
834 header[i].key.len, tmp, &header[i].value);
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
835 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
836 #endif
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
837
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
838 *pos++ = 0;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
839
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
840 pos = ngx_http_v2_write_name(pos, header[i].key.data,
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
841 header[i].key.len, tmp);
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
842
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
843 pos = ngx_http_v2_write_value(pos, header[i].value.data,
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
844 header[i].value.len, tmp);
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
845 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
846
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
847 return ngx_http_v2_create_headers_frame(r, start, pos, 1);
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
848 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
849
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
850
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
851 static ngx_chain_t *
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
852 ngx_http_v2_send_chain(ngx_connection_t *fc, ngx_chain_t *in, off_t limit)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
853 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
854 off_t size, offset;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
855 size_t rest, frame_size;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
856 ngx_chain_t *cl, *out, **ln;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
857 ngx_http_request_t *r;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
858 ngx_http_v2_stream_t *stream;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
859 ngx_http_v2_loc_conf_t *h2lcf;
7035
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
860 ngx_http_v2_out_frame_t *frame, *trailers;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
861 ngx_http_v2_connection_t *h2c;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
862
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
863 r = fc->data;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
864 stream = r->stream;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
865
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
866 #if (NGX_SUPPRESS_WARN)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
867 size = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
868 #endif
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
869
7975
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
870 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, fc->log, 0,
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
871 "http2 send chain: %p", in);
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
872
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
873 while (in) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
874 size = ngx_buf_size(in->buf);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
875
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
876 if (size || in->buf->last_buf) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
877 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
878 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
879
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
880 in = in->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
881 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
882
7235
c2a0a838c40f gRPC: special handling of "trailer only" responses.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7229
diff changeset
883 if (in == NULL || stream->out_closed) {
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
884
7537
01e26357916a HTTP/2: return error on output on closed stream.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7296
diff changeset
885 if (size) {
01e26357916a HTTP/2: return error on output on closed stream.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7296
diff changeset
886 ngx_log_error(NGX_LOG_ERR, fc->log, 0,
01e26357916a HTTP/2: return error on output on closed stream.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7296
diff changeset
887 "output on closed stream");
01e26357916a HTTP/2: return error on output on closed stream.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7296
diff changeset
888 return NGX_CHAIN_ERROR;
01e26357916a HTTP/2: return error on output on closed stream.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7296
diff changeset
889 }
01e26357916a HTTP/2: return error on output on closed stream.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7296
diff changeset
890
7975
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
891 if (ngx_http_v2_filter_send(fc, stream) == NGX_ERROR) {
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
892 return NGX_CHAIN_ERROR;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
893 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
894
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
895 return NULL;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
896 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
897
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
898 h2c = stream->connection;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
899
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
900 if (size && ngx_http_v2_flow_control(h2c, stream) == NGX_DECLINED) {
7975
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
901
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
902 if (ngx_http_v2_filter_send(fc, stream) == NGX_ERROR) {
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
903 return NGX_CHAIN_ERROR;
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
904 }
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
905
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
906 if (ngx_http_v2_flow_control(h2c, stream) == NGX_DECLINED) {
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
907 fc->write->active = 1;
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
908 fc->write->ready = 0;
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
909 return in;
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
910 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
911 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
912
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
913 if (in->buf->tag == (ngx_buf_tag_t) &ngx_http_v2_filter_get_shadow) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
914 cl = ngx_alloc_chain_link(r->pool);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
915 if (cl == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
916 return NGX_CHAIN_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
917 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
918
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
919 cl->buf = in->buf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
920 in->buf = cl->buf->shadow;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
921
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
922 offset = ngx_buf_in_memory(in->buf)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
923 ? (cl->buf->pos - in->buf->pos)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
924 : (cl->buf->file_pos - in->buf->file_pos);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
925
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
926 cl->next = stream->free_bufs;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
927 stream->free_bufs = cl;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
928
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
929 } else {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
930 offset = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
931 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
932
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
933 if (limit == 0 || limit > (off_t) h2c->send_window) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
934 limit = h2c->send_window;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
935 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
936
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
937 if (limit > stream->send_window) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
938 limit = (stream->send_window > 0) ? stream->send_window : 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
939 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
940
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
941 h2lcf = ngx_http_get_module_loc_conf(r, ngx_http_v2_module);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
942
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
943 frame_size = (h2lcf->chunk_size < h2c->frame_size)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
944 ? h2lcf->chunk_size : h2c->frame_size;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
945
7035
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
946 trailers = NGX_HTTP_V2_NO_TRAILERS;
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
947
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
948 #if (NGX_SUPPRESS_WARN)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
949 cl = NULL;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
950 #endif
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
951
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
952 for ( ;; ) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
953 if ((off_t) frame_size > limit) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
954 frame_size = (size_t) limit;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
955 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
956
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
957 ln = &out;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
958 rest = frame_size;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
959
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
960 while ((off_t) rest >= size) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
961
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
962 if (offset) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
963 cl = ngx_http_v2_filter_get_shadow(stream, in->buf,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
964 offset, size);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
965 if (cl == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
966 return NGX_CHAIN_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
967 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
968
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
969 offset = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
970
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
971 } else {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
972 cl = ngx_alloc_chain_link(r->pool);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
973 if (cl == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
974 return NGX_CHAIN_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
975 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
976
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
977 cl->buf = in->buf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
978 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
979
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
980 *ln = cl;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
981 ln = &cl->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
982
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
983 rest -= (size_t) size;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
984 in = in->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
985
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
986 if (in == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
987 frame_size -= rest;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
988 rest = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
989 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
990 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
991
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
992 size = ngx_buf_size(in->buf);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
993 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
994
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
995 if (rest) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
996 cl = ngx_http_v2_filter_get_shadow(stream, in->buf, offset, rest);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
997 if (cl == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
998 return NGX_CHAIN_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
999 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1000
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1001 cl->buf->flush = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1002 cl->buf->last_buf = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1003
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1004 *ln = cl;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1005
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1006 offset += rest;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1007 size -= rest;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1008 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1009
7035
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1010 if (cl->buf->last_buf) {
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1011 trailers = ngx_http_v2_create_trailers_frame(r);
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1012 if (trailers == NULL) {
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1013 return NGX_CHAIN_ERROR;
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1014 }
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1015
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1016 if (trailers != NGX_HTTP_V2_NO_TRAILERS) {
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1017 cl->buf->last_buf = 0;
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1018 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1019 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1020
7035
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1021 if (frame_size || cl->buf->last_buf) {
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1022 frame = ngx_http_v2_filter_get_data_frame(stream, frame_size,
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1023 out, cl);
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1024 if (frame == NULL) {
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1025 return NGX_CHAIN_ERROR;
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1026 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1027
7035
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1028 ngx_http_v2_queue_frame(h2c, frame);
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1029
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1030 h2c->send_window -= frame_size;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1031
7035
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1032 stream->send_window -= frame_size;
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1033 stream->queued++;
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1034 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1035
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1036 if (in == NULL) {
7035
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1037
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1038 if (trailers != NGX_HTTP_V2_NO_TRAILERS) {
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1039 ngx_http_v2_queue_frame(h2c, trailers);
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1040 stream->queued++;
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1041 }
4e784e095a97 HTTP/2: added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 7004
diff changeset
1042
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1043 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1044 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1045
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1046 limit -= frame_size;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1047
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1048 if (limit == 0) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1049 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1050 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1051 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1052
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1053 if (offset) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1054 cl = ngx_http_v2_filter_get_shadow(stream, in->buf, offset, size);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1055 if (cl == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1056 return NGX_CHAIN_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1057 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1058
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1059 in->buf = cl->buf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1060 ngx_free_chain(r->pool, cl);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1061 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1062
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1063 if (ngx_http_v2_filter_send(fc, stream) == NGX_ERROR) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1064 return NGX_CHAIN_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1065 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1066
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1067 if (in && ngx_http_v2_flow_control(h2c, stream) == NGX_DECLINED) {
6412
4ba91a4c66a3 HTTP/2: implemented per request timeouts (closes #626).
Valentin Bartenev <vbart@nginx.com>
parents: 6401
diff changeset
1068 fc->write->active = 1;
4ba91a4c66a3 HTTP/2: implemented per request timeouts (closes #626).
Valentin Bartenev <vbart@nginx.com>
parents: 6401
diff changeset
1069 fc->write->ready = 0;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1070 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1071
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1072 return in;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1073 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1074
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1075
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1076 static ngx_chain_t *
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1077 ngx_http_v2_filter_get_shadow(ngx_http_v2_stream_t *stream, ngx_buf_t *buf,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1078 off_t offset, off_t size)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1079 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1080 ngx_buf_t *chunk;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1081 ngx_chain_t *cl;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1082
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1083 cl = ngx_chain_get_free_buf(stream->request->pool, &stream->free_bufs);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1084 if (cl == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1085 return NULL;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1086 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1087
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1088 chunk = cl->buf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1089
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1090 ngx_memcpy(chunk, buf, sizeof(ngx_buf_t));
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1091
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1092 chunk->tag = (ngx_buf_tag_t) &ngx_http_v2_filter_get_shadow;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1093 chunk->shadow = buf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1094
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1095 if (ngx_buf_in_memory(chunk)) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1096 chunk->pos += offset;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1097 chunk->last = chunk->pos + size;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1098 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1099
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1100 if (chunk->in_file) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1101 chunk->file_pos += offset;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1102 chunk->file_last = chunk->file_pos + size;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1103 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1104
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1105 return cl;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1106 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1107
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1108
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1109 static ngx_http_v2_out_frame_t *
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1110 ngx_http_v2_filter_get_data_frame(ngx_http_v2_stream_t *stream,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1111 size_t len, ngx_chain_t *first, ngx_chain_t *last)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1112 {
7548
99257b06b0bd HTTP/2: limited number of DATA frames.
Ruslan Ermilov <ru@nginx.com>
parents: 7537
diff changeset
1113 u_char flags;
99257b06b0bd HTTP/2: limited number of DATA frames.
Ruslan Ermilov <ru@nginx.com>
parents: 7537
diff changeset
1114 ngx_buf_t *buf;
99257b06b0bd HTTP/2: limited number of DATA frames.
Ruslan Ermilov <ru@nginx.com>
parents: 7537
diff changeset
1115 ngx_chain_t *cl;
99257b06b0bd HTTP/2: limited number of DATA frames.
Ruslan Ermilov <ru@nginx.com>
parents: 7537
diff changeset
1116 ngx_http_v2_out_frame_t *frame;
99257b06b0bd HTTP/2: limited number of DATA frames.
Ruslan Ermilov <ru@nginx.com>
parents: 7537
diff changeset
1117 ngx_http_v2_connection_t *h2c;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1118
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1119 frame = stream->free_frames;
7548
99257b06b0bd HTTP/2: limited number of DATA frames.
Ruslan Ermilov <ru@nginx.com>
parents: 7537
diff changeset
1120 h2c = stream->connection;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1121
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1122 if (frame) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1123 stream->free_frames = frame->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1124
7548
99257b06b0bd HTTP/2: limited number of DATA frames.
Ruslan Ermilov <ru@nginx.com>
parents: 7537
diff changeset
1125 } else if (h2c->frames < 10000) {
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1126 frame = ngx_palloc(stream->request->pool,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1127 sizeof(ngx_http_v2_out_frame_t));
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1128 if (frame == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1129 return NULL;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1130 }
7548
99257b06b0bd HTTP/2: limited number of DATA frames.
Ruslan Ermilov <ru@nginx.com>
parents: 7537
diff changeset
1131
99257b06b0bd HTTP/2: limited number of DATA frames.
Ruslan Ermilov <ru@nginx.com>
parents: 7537
diff changeset
1132 stream->frames++;
99257b06b0bd HTTP/2: limited number of DATA frames.
Ruslan Ermilov <ru@nginx.com>
parents: 7537
diff changeset
1133 h2c->frames++;
99257b06b0bd HTTP/2: limited number of DATA frames.
Ruslan Ermilov <ru@nginx.com>
parents: 7537
diff changeset
1134
99257b06b0bd HTTP/2: limited number of DATA frames.
Ruslan Ermilov <ru@nginx.com>
parents: 7537
diff changeset
1135 } else {
99257b06b0bd HTTP/2: limited number of DATA frames.
Ruslan Ermilov <ru@nginx.com>
parents: 7537
diff changeset
1136 ngx_log_error(NGX_LOG_INFO, h2c->connection->log, 0,
99257b06b0bd HTTP/2: limited number of DATA frames.
Ruslan Ermilov <ru@nginx.com>
parents: 7537
diff changeset
1137 "http2 flood detected");
99257b06b0bd HTTP/2: limited number of DATA frames.
Ruslan Ermilov <ru@nginx.com>
parents: 7537
diff changeset
1138
99257b06b0bd HTTP/2: limited number of DATA frames.
Ruslan Ermilov <ru@nginx.com>
parents: 7537
diff changeset
1139 h2c->connection->error = 1;
99257b06b0bd HTTP/2: limited number of DATA frames.
Ruslan Ermilov <ru@nginx.com>
parents: 7537
diff changeset
1140 return NULL;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1141 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1142
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1143 flags = last->buf->last_buf ? NGX_HTTP_V2_END_STREAM_FLAG : 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1144
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1145 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, stream->request->connection->log, 0,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1146 "http2:%ui create DATA frame %p: len:%uz flags:%ui",
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1147 stream->node->id, frame, len, (ngx_uint_t) flags);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1148
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1149 cl = ngx_chain_get_free_buf(stream->request->pool,
6293
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1150 &stream->free_frame_headers);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1151 if (cl == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1152 return NULL;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1153 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1154
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1155 buf = cl->buf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1156
6600
6f69e3c0f780 HTTP/2: style.
Piotr Sikora <piotrsikora@google.com>
parents: 6593
diff changeset
1157 if (buf->start == NULL) {
6251
Maxim Dounin <mdounin@mdounin.ru>
parents: 6246
diff changeset
1158 buf->start = ngx_palloc(stream->request->pool,
Maxim Dounin <mdounin@mdounin.ru>
parents: 6246
diff changeset
1159 NGX_HTTP_V2_FRAME_HEADER_SIZE);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1160 if (buf->start == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1161 return NULL;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1162 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1163
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1164 buf->end = buf->start + NGX_HTTP_V2_FRAME_HEADER_SIZE;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1165 buf->last = buf->end;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1166
6293
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1167 buf->tag = (ngx_buf_tag_t) &ngx_http_v2_module;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1168 buf->memory = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1169 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1170
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1171 buf->pos = buf->start;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1172 buf->last = buf->pos;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1173
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1174 buf->last = ngx_http_v2_write_len_and_type(buf->last, len,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1175 NGX_HTTP_V2_DATA_FRAME);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1176 *buf->last++ = flags;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1177
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1178 buf->last = ngx_http_v2_write_sid(buf->last, stream->node->id);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1179
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1180 cl->next = first;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1181 first = cl;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1182
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1183 last->buf->flush = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1184
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1185 frame->first = first;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1186 frame->last = last;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1187 frame->handler = ngx_http_v2_data_frame_handler;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1188 frame->stream = stream;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1189 frame->length = len;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1190 frame->blocked = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1191 frame->fin = last->buf->last_buf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1192
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1193 return frame;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1194 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1195
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1196
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1197 static ngx_inline ngx_int_t
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1198 ngx_http_v2_flow_control(ngx_http_v2_connection_t *h2c,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1199 ngx_http_v2_stream_t *stream)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1200 {
6792
45d553812055 HTTP/2: flow control debugging.
Sergey Kandaurov <pluknet@nginx.com>
parents: 6638
diff changeset
1201 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0,
7108
2bf605c6edf7 HTTP/2: shortened some debug log messages.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7100
diff changeset
1202 "http2:%ui windows: conn:%uz stream:%z",
6792
45d553812055 HTTP/2: flow control debugging.
Sergey Kandaurov <pluknet@nginx.com>
parents: 6638
diff changeset
1203 stream->node->id, h2c->send_window, stream->send_window);
45d553812055 HTTP/2: flow control debugging.
Sergey Kandaurov <pluknet@nginx.com>
parents: 6638
diff changeset
1204
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1205 if (stream->send_window <= 0) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1206 stream->exhausted = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1207 return NGX_DECLINED;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1208 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1209
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1210 if (h2c->send_window == 0) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1211 ngx_http_v2_waiting_queue(h2c, stream);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1212 return NGX_DECLINED;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1213 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1214
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1215 return NGX_OK;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1216 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1217
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1218
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1219 static void
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1220 ngx_http_v2_waiting_queue(ngx_http_v2_connection_t *h2c,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1221 ngx_http_v2_stream_t *stream)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1222 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1223 ngx_queue_t *q;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1224 ngx_http_v2_stream_t *s;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1225
6833
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1226 if (stream->waiting) {
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1227 return;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1228 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1229
6833
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1230 stream->waiting = 1;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1231
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1232 for (q = ngx_queue_last(&h2c->waiting);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1233 q != ngx_queue_sentinel(&h2c->waiting);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1234 q = ngx_queue_prev(q))
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1235 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1236 s = ngx_queue_data(q, ngx_http_v2_stream_t, queue);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1237
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1238 if (s->node->rank < stream->node->rank
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1239 || (s->node->rank == stream->node->rank
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1240 && s->node->rel_weight >= stream->node->rel_weight))
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1241 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1242 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1243 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1244 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1245
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1246 ngx_queue_insert_after(q, &stream->queue);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1247 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1248
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1249
7191
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1250 static ngx_inline ngx_int_t
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1251 ngx_http_v2_filter_send(ngx_connection_t *fc, ngx_http_v2_stream_t *stream)
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1252 {
8006
32b0ba4855a6 HTTP/2: made it possible to flush response headers (ticket #1743).
Maxim Dounin <mdounin@mdounin.ru>
parents: 7975
diff changeset
1253 ngx_connection_t *c;
32b0ba4855a6 HTTP/2: made it possible to flush response headers (ticket #1743).
Maxim Dounin <mdounin@mdounin.ru>
parents: 7975
diff changeset
1254
32b0ba4855a6 HTTP/2: made it possible to flush response headers (ticket #1743).
Maxim Dounin <mdounin@mdounin.ru>
parents: 7975
diff changeset
1255 c = stream->connection->connection;
32b0ba4855a6 HTTP/2: made it possible to flush response headers (ticket #1743).
Maxim Dounin <mdounin@mdounin.ru>
parents: 7975
diff changeset
1256
32b0ba4855a6 HTTP/2: made it possible to flush response headers (ticket #1743).
Maxim Dounin <mdounin@mdounin.ru>
parents: 7975
diff changeset
1257 if (stream->queued == 0 && !c->buffered) {
7975
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
1258 fc->buffered &= ~NGX_HTTP_V2_BUFFERED;
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
1259 return NGX_OK;
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
1260 }
a7a77549265e HTTP/2: fixed sendfile() aio handling.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7569
diff changeset
1261
7191
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1262 stream->blocked = 1;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1263
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1264 if (ngx_http_v2_send_output_queue(stream->connection) == NGX_ERROR) {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1265 fc->error = 1;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1266 return NGX_ERROR;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1267 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1268
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1269 stream->blocked = 0;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1270
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1271 if (stream->queued) {
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1272 fc->buffered |= NGX_HTTP_V2_BUFFERED;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1273 fc->write->active = 1;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1274 fc->write->ready = 0;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1275 return NGX_AGAIN;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1276 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1277
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1278 fc->buffered &= ~NGX_HTTP_V2_BUFFERED;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1279
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1280 return NGX_OK;
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1281 }
61d276dcd493 HTTP/2: more style, comments, and debugging.
Ruslan Ermilov <ru@nginx.com>
parents: 7108
diff changeset
1282
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1283
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1284 static ngx_int_t
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1285 ngx_http_v2_headers_frame_handler(ngx_http_v2_connection_t *h2c,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1286 ngx_http_v2_out_frame_t *frame)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1287 {
6293
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1288 ngx_chain_t *cl, *ln;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1289 ngx_http_v2_stream_t *stream;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1290
6292
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1291 stream = frame->stream;
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1292 cl = frame->first;
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1293
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1294 for ( ;; ) {
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1295 if (cl->buf->pos != cl->buf->last) {
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1296 frame->first = cl;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1297
6292
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1298 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0,
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1299 "http2:%ui HEADERS frame %p was sent partially",
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1300 stream->node->id, frame);
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1301
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1302 return NGX_AGAIN;
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1303 }
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1304
6293
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1305 ln = cl->next;
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1306
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1307 if (cl->buf->tag == (ngx_buf_tag_t) &ngx_http_v2_module) {
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1308 cl->next = stream->free_frame_headers;
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1309 stream->free_frame_headers = cl;
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1310
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1311 } else {
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1312 cl->next = stream->free_bufs;
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1313 stream->free_bufs = cl;
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1314 }
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1315
6292
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1316 if (cl == frame->last) {
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1317 break;
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1318 }
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1319
6293
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1320 cl = ln;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1321 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1322
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1323 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1324 "http2:%ui HEADERS frame %p was sent",
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1325 stream->node->id, frame);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1326
6953
663e6a48bfcb HTTP/2: fix $body_bytes_sent variable.
Piotr Sikora <piotrsikora@google.com>
parents: 6952
diff changeset
1327 stream->request->header_size += NGX_HTTP_V2_FRAME_HEADER_SIZE
663e6a48bfcb HTTP/2: fix $body_bytes_sent variable.
Piotr Sikora <piotrsikora@google.com>
parents: 6952
diff changeset
1328 + frame->length;
663e6a48bfcb HTTP/2: fix $body_bytes_sent variable.
Piotr Sikora <piotrsikora@google.com>
parents: 6952
diff changeset
1329
7569
80359395b345 HTTP/2: traffic-based flood detection.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7548
diff changeset
1330 h2c->payload_bytes += frame->length;
80359395b345 HTTP/2: traffic-based flood detection.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7548
diff changeset
1331
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1332 ngx_http_v2_handle_frame(stream, frame);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1333
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1334 ngx_http_v2_handle_stream(h2c, stream);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1335
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1336 return NGX_OK;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1337 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1338
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1339
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1340 static ngx_int_t
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1341 ngx_http_v2_data_frame_handler(ngx_http_v2_connection_t *h2c,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1342 ngx_http_v2_out_frame_t *frame)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1343 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1344 ngx_buf_t *buf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1345 ngx_chain_t *cl, *ln;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1346 ngx_http_v2_stream_t *stream;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1347
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1348 stream = frame->stream;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1349 cl = frame->first;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1350
6293
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1351 if (cl->buf->tag == (ngx_buf_tag_t) &ngx_http_v2_module) {
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1352
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1353 if (cl->buf->pos != cl->buf->last) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1354 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1355 "http2:%ui DATA frame %p was sent partially",
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1356 stream->node->id, frame);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1357
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1358 return NGX_AGAIN;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1359 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1360
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1361 ln = cl->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1362
6293
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1363 cl->next = stream->free_frame_headers;
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1364 stream->free_frame_headers = cl;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1365
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1366 if (cl == frame->last) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1367 goto done;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1368 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1369
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1370 cl = ln;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1371 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1372
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1373 for ( ;; ) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1374 if (cl->buf->tag == (ngx_buf_tag_t) &ngx_http_v2_filter_get_shadow) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1375 buf = cl->buf->shadow;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1376
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1377 if (ngx_buf_in_memory(buf)) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1378 buf->pos = cl->buf->pos;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1379 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1380
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1381 if (buf->in_file) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1382 buf->file_pos = cl->buf->file_pos;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1383 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1384 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1385
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1386 if (ngx_buf_size(cl->buf) != 0) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1387
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1388 if (cl != frame->first) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1389 frame->first = cl;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1390 ngx_http_v2_handle_stream(h2c, stream);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1391 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1392
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1393 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1394 "http2:%ui DATA frame %p was sent partially",
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1395 stream->node->id, frame);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1396
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1397 return NGX_AGAIN;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1398 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1399
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1400 ln = cl->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1401
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1402 if (cl->buf->tag == (ngx_buf_tag_t) &ngx_http_v2_filter_get_shadow) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1403 cl->next = stream->free_bufs;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1404 stream->free_bufs = cl;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1405
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1406 } else {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1407 ngx_free_chain(stream->request->pool, cl);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1408 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1409
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1410 if (cl == frame->last) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1411 goto done;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1412 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1413
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1414 cl = ln;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1415 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1416
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1417 done:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1418
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1419 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, h2c->connection->log, 0,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1420 "http2:%ui DATA frame %p was sent",
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1421 stream->node->id, frame);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1422
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1423 stream->request->header_size += NGX_HTTP_V2_FRAME_HEADER_SIZE;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1424
7569
80359395b345 HTTP/2: traffic-based flood detection.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7548
diff changeset
1425 h2c->payload_bytes += frame->length;
80359395b345 HTTP/2: traffic-based flood detection.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7548
diff changeset
1426
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1427 ngx_http_v2_handle_frame(stream, frame);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1428
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1429 ngx_http_v2_handle_stream(h2c, stream);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1430
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1431 return NGX_OK;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1432 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1433
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1434
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1435 static ngx_inline void
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1436 ngx_http_v2_handle_frame(ngx_http_v2_stream_t *stream,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1437 ngx_http_v2_out_frame_t *frame)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1438 {
7569
80359395b345 HTTP/2: traffic-based flood detection.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7548
diff changeset
1439 ngx_http_request_t *r;
80359395b345 HTTP/2: traffic-based flood detection.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7548
diff changeset
1440 ngx_http_v2_connection_t *h2c;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1441
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1442 r = stream->request;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1443
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1444 r->connection->sent += NGX_HTTP_V2_FRAME_HEADER_SIZE + frame->length;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1445
7569
80359395b345 HTTP/2: traffic-based flood detection.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7548
diff changeset
1446 h2c = stream->connection;
80359395b345 HTTP/2: traffic-based flood detection.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7548
diff changeset
1447
80359395b345 HTTP/2: traffic-based flood detection.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7548
diff changeset
1448 h2c->total_bytes += NGX_HTTP_V2_FRAME_HEADER_SIZE + frame->length;
80359395b345 HTTP/2: traffic-based flood detection.
Maxim Dounin <mdounin@mdounin.ru>
parents: 7548
diff changeset
1449
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1450 if (frame->fin) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1451 stream->out_closed = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1452 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1453
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1454 frame->next = stream->free_frames;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1455 stream->free_frames = frame;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1456
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1457 stream->queued--;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1458 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1459
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1460
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1461 static ngx_inline void
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1462 ngx_http_v2_handle_stream(ngx_http_v2_connection_t *h2c,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1463 ngx_http_v2_stream_t *stream)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1464 {
6833
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1465 ngx_event_t *wev;
6638
a2b310a8b2af HTTP/2: always handle streams in error state.
Valentin Bartenev <vbart@nginx.com>
parents: 6637
diff changeset
1466 ngx_connection_t *fc;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1467
6833
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1468 if (stream->waiting || stream->blocked) {
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1469 return;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1470 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1471
6638
a2b310a8b2af HTTP/2: always handle streams in error state.
Valentin Bartenev <vbart@nginx.com>
parents: 6637
diff changeset
1472 fc = stream->request->connection;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1473
6833
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1474 if (!fc->error && stream->exhausted) {
6638
a2b310a8b2af HTTP/2: always handle streams in error state.
Valentin Bartenev <vbart@nginx.com>
parents: 6637
diff changeset
1475 return;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1476 }
6638
a2b310a8b2af HTTP/2: always handle streams in error state.
Valentin Bartenev <vbart@nginx.com>
parents: 6637
diff changeset
1477
6833
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1478 wev = fc->write;
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1479
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1480 wev->active = 0;
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1481 wev->ready = 1;
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1482
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1483 if (!fc->error && wev->delayed) {
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1484 return;
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1485 }
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1486
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1487 ngx_post_event(wev, &ngx_posted_events);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1488 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1489
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1490
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1491 static void
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1492 ngx_http_v2_filter_cleanup(void *data)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1493 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1494 ngx_http_v2_stream_t *stream = data;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1495
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1496 size_t window;
6833
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1497 ngx_event_t *wev;
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1498 ngx_queue_t *q;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1499 ngx_http_v2_out_frame_t *frame, **fn;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1500 ngx_http_v2_connection_t *h2c;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1501
6833
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1502 if (stream->waiting) {
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1503 stream->waiting = 0;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1504 ngx_queue_remove(&stream->queue);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1505 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1506
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1507 if (stream->queued == 0) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1508 return;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1509 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1510
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1511 window = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1512 h2c = stream->connection;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1513 fn = &h2c->last_out;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1514
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1515 for ( ;; ) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1516 frame = *fn;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1517
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1518 if (frame == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1519 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1520 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1521
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1522 if (frame->stream == stream && !frame->blocked) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1523 *fn = frame->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1524
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1525 window += frame->length;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1526
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1527 if (--stream->queued == 0) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1528 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1529 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1530
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1531 continue;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1532 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1533
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1534 fn = &frame->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1535 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1536
6833
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1537 if (h2c->send_window == 0 && window) {
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1538
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1539 while (!ngx_queue_empty(&h2c->waiting)) {
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1540 q = ngx_queue_head(&h2c->waiting);
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1541
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1542 ngx_queue_remove(q);
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1543
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1544 stream = ngx_queue_data(q, ngx_http_v2_stream_t, queue);
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1545
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1546 stream->waiting = 0;
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1547
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1548 wev = stream->request->connection->write;
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1549
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1550 wev->active = 0;
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1551 wev->ready = 1;
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1552
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1553 if (!wev->delayed) {
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1554 ngx_post_event(wev, &ngx_posted_events);
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1555 }
3834951e32ab HTTP/2: fixed posted streams handling.
Valentin Bartenev <vbart@nginx.com>
parents: 6792
diff changeset
1556 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1557 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1558
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1559 h2c->send_window += window;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1560 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1561
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1562
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1563 static ngx_int_t
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1564 ngx_http_v2_filter_init(ngx_conf_t *cf)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1565 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1566 ngx_http_next_header_filter = ngx_http_top_header_filter;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1567 ngx_http_top_header_filter = ngx_http_v2_header_filter;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1568
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1569 return NGX_OK;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1570 }