annotate src/http/v2/ngx_http_v2_filter_module.c @ 6400:b4c28876d2c3

HTTP/2: use local pointer instead of r->connection. No functional changes.
author Valentin Bartenev <vbart@nginx.com>
date Tue, 16 Feb 2016 17:49:14 +0300
parents ba3c2ca21aa5
children 6812ca9a8002
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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 */
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6
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7
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8 #include <ngx_config.h>
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9 #include <ngx_core.h>
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10 #include <ngx_http.h>
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11 #include <nginx.h>
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12 #include <ngx_http_v2_module.h>
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13
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14
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15 /*
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16 * This returns precise number of octets for values in range 0..253
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17 * and estimate number for the rest, but not smaller than required.
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18 */
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19
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20 #define ngx_http_v2_integer_octets(v) (1 + (v) / 127)
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21
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22 #define ngx_http_v2_literal_size(h) \
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23 (ngx_http_v2_integer_octets(sizeof(h) - 1) + sizeof(h) - 1)
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24
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25 #define ngx_http_v2_indexed(i) (128 + (i))
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26 #define ngx_http_v2_inc_indexed(i) (64 + (i))
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27
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28 #define ngx_http_v2_write_name(dst, src, len, tmp) \
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29 ngx_http_v2_string_encode(dst, src, len, tmp, 1)
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30 #define ngx_http_v2_write_value(dst, src, len, tmp) \
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31 ngx_http_v2_string_encode(dst, src, len, tmp, 0)
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32
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33 #define NGX_HTTP_V2_ENCODE_RAW 0
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34 #define NGX_HTTP_V2_ENCODE_HUFF 0x80
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35
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36 #define NGX_HTTP_V2_STATUS_INDEX 8
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37 #define NGX_HTTP_V2_STATUS_200_INDEX 8
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38 #define NGX_HTTP_V2_STATUS_204_INDEX 9
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39 #define NGX_HTTP_V2_STATUS_206_INDEX 10
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40 #define NGX_HTTP_V2_STATUS_304_INDEX 11
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41 #define NGX_HTTP_V2_STATUS_400_INDEX 12
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42 #define NGX_HTTP_V2_STATUS_404_INDEX 13
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43 #define NGX_HTTP_V2_STATUS_500_INDEX 14
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44
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45 #define NGX_HTTP_V2_CONTENT_LENGTH_INDEX 28
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46 #define NGX_HTTP_V2_CONTENT_TYPE_INDEX 31
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47 #define NGX_HTTP_V2_DATE_INDEX 33
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48 #define NGX_HTTP_V2_LAST_MODIFIED_INDEX 44
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49 #define NGX_HTTP_V2_LOCATION_INDEX 46
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50 #define NGX_HTTP_V2_SERVER_INDEX 54
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51 #define NGX_HTTP_V2_VARY_INDEX 59
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52
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53
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54 static u_char *ngx_http_v2_string_encode(u_char *dst, u_char *src, size_t len,
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55 u_char *tmp, ngx_uint_t lower);
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56 static u_char *ngx_http_v2_write_int(u_char *pos, ngx_uint_t prefix,
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57 ngx_uint_t value);
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58 static ngx_http_v2_out_frame_t *ngx_http_v2_create_headers_frame(
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59 ngx_http_request_t *r, u_char *pos, u_char *end);
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60
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61 static ngx_chain_t *ngx_http_v2_send_chain(ngx_connection_t *fc,
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62 ngx_chain_t *in, off_t limit);
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63
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64 static ngx_chain_t *ngx_http_v2_filter_get_shadow(
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65 ngx_http_v2_stream_t *stream, ngx_buf_t *buf, off_t offset, off_t size);
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66 static ngx_http_v2_out_frame_t *ngx_http_v2_filter_get_data_frame(
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67 ngx_http_v2_stream_t *stream, size_t len, ngx_chain_t *first,
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68 ngx_chain_t *last);
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69
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70 static ngx_inline ngx_int_t ngx_http_v2_flow_control(
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71 ngx_http_v2_connection_t *h2c, ngx_http_v2_stream_t *stream);
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72 static void ngx_http_v2_waiting_queue(ngx_http_v2_connection_t *h2c,
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73 ngx_http_v2_stream_t *stream);
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74
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75 static ngx_inline ngx_int_t ngx_http_v2_filter_send(
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76 ngx_connection_t *fc, ngx_http_v2_stream_t *stream);
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77
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78 static ngx_int_t ngx_http_v2_headers_frame_handler(
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79 ngx_http_v2_connection_t *h2c, ngx_http_v2_out_frame_t *frame);
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80 static ngx_int_t ngx_http_v2_data_frame_handler(
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81 ngx_http_v2_connection_t *h2c, ngx_http_v2_out_frame_t *frame);
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82 static ngx_inline void ngx_http_v2_handle_frame(
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83 ngx_http_v2_stream_t *stream, ngx_http_v2_out_frame_t *frame);
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84 static ngx_inline void ngx_http_v2_handle_stream(
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85 ngx_http_v2_connection_t *h2c, ngx_http_v2_stream_t *stream);
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86
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87 static void ngx_http_v2_filter_cleanup(void *data);
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88
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89 static ngx_int_t ngx_http_v2_filter_init(ngx_conf_t *cf);
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90
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91
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92 static ngx_http_module_t ngx_http_v2_filter_module_ctx = {
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93 NULL, /* preconfiguration */
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94 ngx_http_v2_filter_init, /* postconfiguration */
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95
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96 NULL, /* create main configuration */
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97 NULL, /* init main configuration */
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98
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99 NULL, /* create server configuration */
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100 NULL, /* merge server configuration */
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101
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102 NULL, /* create location configuration */
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103 NULL /* merge location configuration */
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104 };
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105
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106
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107 ngx_module_t ngx_http_v2_filter_module = {
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108 NGX_MODULE_V1,
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109 &ngx_http_v2_filter_module_ctx, /* module context */
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110 NULL, /* module directives */
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111 NGX_HTTP_MODULE, /* module type */
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112 NULL, /* init master */
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113 NULL, /* init module */
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114 NULL, /* init process */
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115 NULL, /* init thread */
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116 NULL, /* exit thread */
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117 NULL, /* exit process */
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118 NULL, /* exit master */
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119 NGX_MODULE_V1_PADDING
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120 };
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121
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122
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123 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
124
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
125
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
126 static ngx_int_t
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
127 ngx_http_v2_header_filter(ngx_http_request_t *r)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
128 {
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
129 u_char status, *pos, *start, *p, *tmp;
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
130 size_t len, tmp_len;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
131 ngx_str_t host, location;
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
132 ngx_uint_t i, port;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
133 ngx_list_part_t *part;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
134 ngx_table_elt_t *header;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
135 ngx_connection_t *fc;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
136 ngx_http_cleanup_t *cln;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
137 ngx_http_v2_out_frame_t *frame;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
138 ngx_http_core_loc_conf_t *clcf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
139 ngx_http_core_srv_conf_t *cscf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
140 struct sockaddr_in *sin;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
141 #if (NGX_HAVE_INET6)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
142 struct sockaddr_in6 *sin6;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
143 #endif
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
144 u_char addr[NGX_SOCKADDR_STRLEN];
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
145
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
146 static const u_char nginx[5] = "\x84\xaa\x63\x55\xe7";
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
147 #if (NGX_HTTP_GZIP)
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
148 static const u_char accept_encoding[12] =
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
149 "\x8b\x84\x84\x2d\x69\x5b\x05\x44\x3c\x86\xaa\x6f";
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
150 #endif
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
151
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
152 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
153 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
154
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
155 if (!r->stream) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
156 return ngx_http_next_header_filter(r);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
157 }
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 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
160 "http2 header filter");
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 if (r->header_sent) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
163 return NGX_OK;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
164 }
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 r->header_sent = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
167
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
168 if (r != r->main) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
169 return NGX_OK;
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
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
172 if (r->method == NGX_HTTP_HEAD) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
173 r->header_only = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
174 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
175
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
176 switch (r->headers_out.status) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
177
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
178 case NGX_HTTP_OK:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
179 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
180 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
181
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
182 case NGX_HTTP_NO_CONTENT:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
183 r->header_only = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
184
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
185 ngx_str_null(&r->headers_out.content_type);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
186
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
187 r->headers_out.content_length = NULL;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
188 r->headers_out.content_length_n = -1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
189
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 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
194 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
195
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
196 case NGX_HTTP_PARTIAL_CONTENT:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
197 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
198 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
199
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
200 case NGX_HTTP_NOT_MODIFIED:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
201 r->header_only = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
202 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
203 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
204
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
205 default:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
206 r->headers_out.last_modified_time = -1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
207 r->headers_out.last_modified = NULL;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
208
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
209 switch (r->headers_out.status) {
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 case NGX_HTTP_BAD_REQUEST:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
212 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
213 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
214
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
215 case NGX_HTTP_NOT_FOUND:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
216 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
217 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
218
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
219 case NGX_HTTP_INTERNAL_SERVER_ERROR:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
220 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
221 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
222
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
223 default:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
224 status = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
225 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
226 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
227
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
228 len = status ? 1 : 1 + ngx_http_v2_literal_size("418");
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
229
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
230 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
231
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
232 if (r->headers_out.server == NULL) {
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
233 len += 1 + (clcf->server_tokens ? nginx_ver_len : sizeof(nginx));
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
234 }
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 if (r->headers_out.date == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
237 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
238 }
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) {
6274
b2de4a56b860 HTTP/2: fixed header block size calculation.
Valentin Bartenev <vbart@nginx.com>
parents: 6251
diff changeset
241 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
242
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
243 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
244 && r->headers_out.charset.len)
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 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
247 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
248 }
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 if (r->headers_out.content_length == NULL
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
251 && r->headers_out.content_length_n >= 0)
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 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
254 }
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 if (r->headers_out.last_modified == NULL
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
257 && r->headers_out.last_modified_time != -1)
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 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
260 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
261
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
262 fc = r->connection;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
263
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
264 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
265
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
266 if (r->headers_out.location->value.data[0] == '/') {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
267 if (clcf->server_name_in_redirect) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
268 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
269 host = cscf->server_name;
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 if (r->headers_in.server.len) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
272 host = r->headers_in.server;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
273
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
274 } else {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
275 host.len = NGX_SOCKADDR_STRLEN;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
276 host.data = addr;
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 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
279 return NGX_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
280 }
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
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
283 switch (fc->local_sockaddr->sa_family) {
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 (NGX_HAVE_INET6)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
286 case AF_INET6:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
287 sin6 = (struct sockaddr_in6 *) fc->local_sockaddr;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
288 port = ntohs(sin6->sin6_port);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
289 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
290 #endif
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
291 #if (NGX_HAVE_UNIX_DOMAIN)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
292 case AF_UNIX:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
293 port = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
294 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
295 #endif
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
296 default: /* AF_INET */
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
297 sin = (struct sockaddr_in *) fc->local_sockaddr;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
298 port = ntohs(sin->sin_port);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
299 break;
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.len = sizeof("https://") - 1 + host.len
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
303 + r->headers_out.location->value.len;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
304
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
305 if (clcf->port_in_redirect) {
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 #if (NGX_HTTP_SSL)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
308 if (fc->ssl)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
309 port = (port == 443) ? 0 : port;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
310 else
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
311 #endif
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
312 port = (port == 80) ? 0 : port;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
313
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
314 } else {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
315 port = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
316 }
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 location.len += sizeof(":65535") - 1;
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 location.data = ngx_pnalloc(r->pool, location.len);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
323 if (location.data == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
324 return NGX_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
325 }
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 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
328
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
329 #if (NGX_HTTP_SSL)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
330 if (fc->ssl) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
331 *p++ = 's';
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
332 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
333 #endif
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
334
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
335 *p++ = ':'; *p++ = '/'; *p++ = '/';
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
336 p = ngx_cpymem(p, host.data, host.len);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
337
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
338 if (port) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
339 p = ngx_sprintf(p, ":%ui", port);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
340 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
341
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
342 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
343 r->headers_out.location->value.len);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
344
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
345 /* 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
346
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
347 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
348 r->headers_out.location->value.data = location.data;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
349 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
350 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
351
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
352 r->headers_out.location->hash = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
353
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
354 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
355 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
356
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
357 tmp_len = len;
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
358
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
359 #if (NGX_HTTP_GZIP)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
360 if (r->gzip_vary) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
361 if (clcf->gzip_vary) {
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
362 len += 1 + sizeof(accept_encoding);
6246
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 } else {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
365 r->gzip_vary = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
366 }
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 #endif
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
369
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
370 part = &r->headers_out.headers.part;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
371 header = part->elts;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
372
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
373 for (i = 0; /* void */; i++) {
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 if (i >= part->nelts) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
376 if (part->next == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
377 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
378 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
379
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
380 part = part->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
381 header = part->elts;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
382 i = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
383 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
384
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
385 if (header[i].hash == 0) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
386 continue;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
387 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
388
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
389 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
390 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
391 "too long response header name: \"%V\"",
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
392 &header[i].key);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
393 return NGX_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
394 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
395
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
396 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
397 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
398 "too long response header value: \"%V: %V\"",
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
399 &header[i].key, &header[i].value);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
400 return NGX_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
401 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
402
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
403 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
404 + 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
405
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
406 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
407 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
408 }
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
409
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
410 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
411 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
412 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
413 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
414
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
415 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
416 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
417
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
418 if (pos == NULL || tmp == NULL) {
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
419 return NGX_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
420 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
421
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
422 start = pos;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
423
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
424 if (status) {
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
425 *pos++ = status;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
426
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
427 } else {
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
428 *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
429 *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
430 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
431 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
432
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
433 if (r->headers_out.server == NULL) {
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
434 *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
435
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
436 if (clcf->server_tokens) {
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
437 if (nginx_ver[0] == '\0') {
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
438 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
439 sizeof(NGINX_VER) - 1, tmp);
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
440 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
441 }
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
442
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
443 pos = ngx_cpymem(pos, nginx_ver, nginx_ver_len);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
444
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
445 } else {
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
446 pos = ngx_cpymem(pos, nginx, sizeof(nginx));
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
447 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
448 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
449
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
450 if (r->headers_out.date == NULL) {
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
451 *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
452 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
453 ngx_cached_http_time.len, tmp);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
454 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
455
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
456 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
457 *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
458
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
459 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
460 && r->headers_out.charset.len)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
461 {
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
462 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
463 + r->headers_out.charset.len;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
464
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
465 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
466 if (p == NULL) {
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
467 return NGX_ERROR;
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
468 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
469
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
470 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
471 r->headers_out.content_type.len);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
472
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
473 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
474
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
475 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
476 r->headers_out.charset.len);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
477
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
478 /* 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
479
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
480 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
481 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
482 }
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
483
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
484 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
485 r->headers_out.content_type.len, tmp);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
486 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
487
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
488 if (r->headers_out.content_length == NULL
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
489 && r->headers_out.content_length_n >= 0)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
490 {
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
491 *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
492
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
493 p = pos;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
494 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
495 *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
496 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
497
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
498 if (r->headers_out.last_modified == NULL
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
499 && r->headers_out.last_modified_time != -1)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
500 {
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
501 *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
502
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
503 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
504 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
505
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
506 /*
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
507 * 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
508 * 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
509 */
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
510 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
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.location && r->headers_out.location->value.len) {
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
514 *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
515 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
516 r->headers_out.location->value.len, tmp);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
517 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
518
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
519 #if (NGX_HTTP_GZIP)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
520 if (r->gzip_vary) {
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
521 *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
522 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
523 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
524 #endif
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 part = &r->headers_out.headers.part;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
527 header = part->elts;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
528
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
529 for (i = 0; /* void */; i++) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
530
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
531 if (i >= part->nelts) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
532 if (part->next == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
533 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
534 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
535
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
536 part = part->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
537 header = part->elts;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
538 i = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
539 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
540
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
541 if (header[i].hash == 0) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
542 continue;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
543 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
544
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
545 *pos++ = 0;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
546
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
547 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
548 header[i].key.len, tmp);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
549
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
550 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
551 header[i].value.len, tmp);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
552 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
553
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
554 frame = ngx_http_v2_create_headers_frame(r, start, pos);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
555 if (frame == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
556 return NGX_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
557 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
558
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
559 ngx_http_v2_queue_blocked_frame(r->stream->connection, frame);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
560
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
561 cln = ngx_http_cleanup_add(r, 0);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
562 if (cln == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
563 return NGX_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
564 }
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 cln->handler = ngx_http_v2_filter_cleanup;
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
567 cln->data = r->stream;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
568
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
569 r->stream->queued = 1;
6246
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 fc->send_chain = ngx_http_v2_send_chain;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
572 fc->need_last_buf = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
573
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
574 return ngx_http_v2_filter_send(fc, r->stream);
6246
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
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
577
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
578 static u_char *
6395
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
579 ngx_http_v2_string_encode(u_char *dst, u_char *src, size_t len, u_char *tmp,
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
580 ngx_uint_t lower)
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
581 {
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
582 size_t hlen;
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
583
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
584 hlen = ngx_http_v2_huff_encode(src, len, tmp, lower);
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
585
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
586 if (hlen > 0) {
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
587 *dst = NGX_HTTP_V2_ENCODE_HUFF;
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
588 dst = ngx_http_v2_write_int(dst, ngx_http_v2_prefix(7), hlen);
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
589 return ngx_cpymem(dst, tmp, hlen);
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
590 }
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
591
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
592 *dst = NGX_HTTP_V2_ENCODE_RAW;
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
593 dst = ngx_http_v2_write_int(dst, ngx_http_v2_prefix(7), len);
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
594
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
595 if (lower) {
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
596 ngx_strlow(dst, src, len);
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
597 return dst + len;
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
598 }
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
599
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
600 return ngx_cpymem(dst, src, len);
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
601 }
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
602
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
603
ba3c2ca21aa5 HTTP/2: implemented HPACK Huffman encoding for response headers.
Valentin Bartenev <vbart@nginx.com>
parents: 6377
diff changeset
604 static u_char *
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
605 ngx_http_v2_write_int(u_char *pos, ngx_uint_t prefix, ngx_uint_t value)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
606 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
607 if (value < prefix) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
608 *pos++ |= value;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
609 return pos;
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
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
612 *pos++ |= prefix;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
613 value -= prefix;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
614
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
615 while (value >= 128) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
616 *pos++ = value % 128 + 128;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
617 value /= 128;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
618 }
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 *pos++ = (u_char) value;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
621
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
622 return pos;
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
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
625
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
626 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
627 ngx_http_v2_create_headers_frame(ngx_http_request_t *r, u_char *pos,
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
628 u_char *end)
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
629 {
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
630 u_char type, flags;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
631 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
632 ngx_buf_t *b;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
633 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
634 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
635 ngx_http_v2_out_frame_t *frame;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
636
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
637 stream = r->stream;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
638 rest = end - pos;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
639
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
640 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
641 if (frame == NULL) {
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
642 return NULL;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
643 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
644
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
645 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
646 frame->stream = stream;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
647 frame->length = rest;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
648 frame->blocked = 1;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
649 frame->fin = r->header_only;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
650
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
651 ll = &frame->first;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
652
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
653 type = NGX_HTTP_V2_HEADERS_FRAME;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
654 flags = r->header_only ? NGX_HTTP_V2_END_STREAM_FLAG : 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
655 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
656
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
657 for ( ;; ) {
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
658 if (rest <= frame_size) {
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
659 frame_size = rest;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
660 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
661 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
662
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
663 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
664 if (b == NULL) {
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
665 return NULL;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
666 }
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
667
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
668 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
669 *b->last++ = flags;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
670 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
671
6293
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
672 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
673
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
674 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
675 if (cl == NULL) {
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
676 return NULL;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
677 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
678
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
679 cl->buf = b;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
680
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
681 *ll = cl;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
682 ll = &cl->next;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
683
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
684 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
685 if (b == NULL) {
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
686 return NULL;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
687 }
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
688
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
689 b->pos = pos;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
690
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
691 pos += frame_size;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
692
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
693 b->last = pos;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
694 b->start = b->pos;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
695 b->end = b->last;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
696 b->temporary = 1;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
697
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
698 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
699 if (cl == NULL) {
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
700 return NULL;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
701 }
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
702
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
703 cl->buf = b;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
704
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
705 *ll = cl;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
706 ll = &cl->next;
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 rest -= frame_size;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
709
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
710 if (rest) {
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
711 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
712 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
713 continue;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
714 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
715
6277
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
716 b->last_buf = r->header_only;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
717 cl->next = NULL;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
718 frame->last = cl;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
719
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
720 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
721 "http2:%ui create HEADERS frame %p: len:%uz",
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
722 stream->node->id, frame, frame->length);
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
723
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
724 return frame;
b930e598a199 HTTP/2: fixed splitting of response headers on CONTINUATION frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6276
diff changeset
725 }
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
726 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
727
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
728
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
729 static ngx_chain_t *
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
730 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
731 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
732 off_t size, offset;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
733 size_t rest, frame_size;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
734 ngx_chain_t *cl, *out, **ln;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
735 ngx_http_request_t *r;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
736 ngx_http_v2_stream_t *stream;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
737 ngx_http_v2_loc_conf_t *h2lcf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
738 ngx_http_v2_out_frame_t *frame;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
739 ngx_http_v2_connection_t *h2c;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
740
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
741 r = fc->data;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
742 stream = r->stream;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
743
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
744 #if (NGX_SUPPRESS_WARN)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
745 size = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
746 #endif
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
747
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
748 while (in) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
749 size = ngx_buf_size(in->buf);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
750
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
751 if (size || in->buf->last_buf) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
752 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
753 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
754
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
755 in = in->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
756 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
757
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
758 if (in == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
759
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
760 if (stream->queued) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
761 fc->write->delayed = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
762 } else {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
763 fc->buffered &= ~NGX_HTTP_V2_BUFFERED;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
764 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
765
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
766 return NULL;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
767 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
768
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
769 h2c = stream->connection;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
770
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
771 if (size && ngx_http_v2_flow_control(h2c, stream) == NGX_DECLINED) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
772 fc->write->delayed = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
773 return in;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
774 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
775
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
776 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
777 cl = ngx_alloc_chain_link(r->pool);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
778 if (cl == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
779 return NGX_CHAIN_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
780 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
781
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
782 cl->buf = in->buf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
783 in->buf = cl->buf->shadow;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
784
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
785 offset = ngx_buf_in_memory(in->buf)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
786 ? (cl->buf->pos - in->buf->pos)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
787 : (cl->buf->file_pos - in->buf->file_pos);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
788
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
789 cl->next = stream->free_bufs;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
790 stream->free_bufs = cl;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
791
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
792 } else {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
793 offset = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
794 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
795
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
796 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
797 limit = h2c->send_window;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
798 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
799
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
800 if (limit > stream->send_window) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
801 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
802 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
803
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
804 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
805
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
806 frame_size = (h2lcf->chunk_size < h2c->frame_size)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
807 ? h2lcf->chunk_size : h2c->frame_size;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
808
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
809 #if (NGX_SUPPRESS_WARN)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
810 cl = NULL;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
811 #endif
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
812
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
813 for ( ;; ) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
814 if ((off_t) frame_size > limit) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
815 frame_size = (size_t) limit;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
816 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
817
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
818 ln = &out;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
819 rest = frame_size;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
820
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
821 while ((off_t) rest >= size) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
822
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
823 if (offset) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
824 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
825 offset, size);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
826 if (cl == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
827 return NGX_CHAIN_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
828 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
829
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
830 offset = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
831
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
832 } else {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
833 cl = ngx_alloc_chain_link(r->pool);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
834 if (cl == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
835 return NGX_CHAIN_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
836 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
837
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
838 cl->buf = in->buf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
839 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
840
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
841 *ln = cl;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
842 ln = &cl->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
843
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
844 rest -= (size_t) size;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
845 in = in->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
846
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
847 if (in == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
848 frame_size -= rest;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
849 rest = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
850 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
851 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
852
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
853 size = ngx_buf_size(in->buf);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
854 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
855
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
856 if (rest) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
857 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
858 if (cl == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
859 return NGX_CHAIN_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
860 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
861
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
862 cl->buf->flush = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
863 cl->buf->last_buf = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
864
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
865 *ln = cl;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
866
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
867 offset += rest;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
868 size -= rest;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
869 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
870
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
871 frame = ngx_http_v2_filter_get_data_frame(stream, frame_size, out, cl);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
872 if (frame == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
873 return NGX_CHAIN_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
874 }
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 ngx_http_v2_queue_frame(h2c, frame);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
877
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
878 h2c->send_window -= frame_size;
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 stream->send_window -= frame_size;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
881 stream->queued++;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
882
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
883 if (in == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
884 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
885 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
886
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
887 limit -= frame_size;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
888
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
889 if (limit == 0) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
890 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
891 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
892 }
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 if (offset) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
895 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
896 if (cl == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
897 return NGX_CHAIN_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
898 }
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 in->buf = cl->buf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
901 ngx_free_chain(r->pool, cl);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
902 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
903
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
904 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
905 return NGX_CHAIN_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
906 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
907
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
908 if (in && ngx_http_v2_flow_control(h2c, stream) == NGX_DECLINED) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
909 fc->write->delayed = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
910 }
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 return in;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
913 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
914
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
915
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
916 static ngx_chain_t *
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
917 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
918 off_t offset, off_t size)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
919 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
920 ngx_buf_t *chunk;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
921 ngx_chain_t *cl;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
922
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
923 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
924 if (cl == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
925 return NULL;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
926 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
927
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
928 chunk = cl->buf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
929
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
930 ngx_memcpy(chunk, buf, sizeof(ngx_buf_t));
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 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
933 chunk->shadow = buf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
934
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
935 if (ngx_buf_in_memory(chunk)) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
936 chunk->pos += offset;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
937 chunk->last = chunk->pos + size;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
938 }
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 if (chunk->in_file) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
941 chunk->file_pos += offset;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
942 chunk->file_last = chunk->file_pos + size;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
943 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
944
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
945 return cl;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
946 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
947
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
948
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
949 static ngx_http_v2_out_frame_t *
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
950 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
951 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
952 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
953 u_char flags;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
954 ngx_buf_t *buf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
955 ngx_chain_t *cl;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
956 ngx_http_v2_out_frame_t *frame;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
957
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
958
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
959 frame = stream->free_frames;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
960
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
961 if (frame) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
962 stream->free_frames = frame->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
963
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
964 } else {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
965 frame = ngx_palloc(stream->request->pool,
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
966 sizeof(ngx_http_v2_out_frame_t));
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
967 if (frame == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
968 return NULL;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
969 }
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
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
972 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
973
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
974 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
975 "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
976 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
977
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
978 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
979 &stream->free_frame_headers);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
980 if (cl == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
981 return NULL;
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
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
984 buf = cl->buf;
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 (!buf->start) {
6251
Maxim Dounin <mdounin@mdounin.ru>
parents: 6246
diff changeset
987 buf->start = ngx_palloc(stream->request->pool,
Maxim Dounin <mdounin@mdounin.ru>
parents: 6246
diff changeset
988 NGX_HTTP_V2_FRAME_HEADER_SIZE);
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
989 if (buf->start == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
990 return NULL;
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
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
993 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
994 buf->last = buf->end;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
995
6293
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
996 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
997 buf->memory = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
998 }
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 buf->pos = buf->start;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1001 buf->last = buf->pos;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1002
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1003 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
1004 NGX_HTTP_V2_DATA_FRAME);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1005 *buf->last++ = flags;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1006
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1007 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
1008
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1009 cl->next = first;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1010 first = cl;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1011
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1012 last->buf->flush = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1013
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1014 frame->first = first;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1015 frame->last = last;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1016 frame->handler = ngx_http_v2_data_frame_handler;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1017 frame->stream = stream;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1018 frame->length = len;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1019 frame->blocked = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1020 frame->fin = last->buf->last_buf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1021
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1022 return frame;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1023 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1024
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1025
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1026 static ngx_inline ngx_int_t
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1027 ngx_http_v2_filter_send(ngx_connection_t *fc, ngx_http_v2_stream_t *stream)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1028 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1029 stream->blocked = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1030
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1031 if (ngx_http_v2_send_output_queue(stream->connection) == NGX_ERROR) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1032 fc->error = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1033 return NGX_ERROR;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1034 }
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 stream->blocked = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1037
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1038 if (stream->queued) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1039 fc->buffered |= NGX_HTTP_V2_BUFFERED;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1040 fc->write->delayed = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1041 return NGX_AGAIN;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1042 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1043
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1044 fc->buffered &= ~NGX_HTTP_V2_BUFFERED;
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 return NGX_OK;
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
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1049
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1050 static ngx_inline ngx_int_t
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1051 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
1052 ngx_http_v2_stream_t *stream)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1053 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1054 if (stream->send_window <= 0) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1055 stream->exhausted = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1056 return NGX_DECLINED;
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 if (h2c->send_window == 0) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1060 ngx_http_v2_waiting_queue(h2c, stream);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1061 return NGX_DECLINED;
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
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1064 return NGX_OK;
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
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1068 static void
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1069 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
1070 ngx_http_v2_stream_t *stream)
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 ngx_queue_t *q;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1073 ngx_http_v2_stream_t *s;
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 if (stream->handled) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1076 return;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1077 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1078
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1079 stream->handled = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1080
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1081 for (q = ngx_queue_last(&h2c->waiting);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1082 q != ngx_queue_sentinel(&h2c->waiting);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1083 q = ngx_queue_prev(q))
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1084 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1085 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
1086
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1087 if (s->node->rank < stream->node->rank
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1088 || (s->node->rank == stream->node->rank
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1089 && s->node->rel_weight >= stream->node->rel_weight))
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1090 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1091 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1092 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1093 }
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 ngx_queue_insert_after(q, &stream->queue);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1096 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1097
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 static ngx_int_t
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1101 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
1102 ngx_http_v2_out_frame_t *frame)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1103 {
6293
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1104 ngx_chain_t *cl, *ln;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1105 ngx_http_v2_stream_t *stream;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1106
6292
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1107 stream = frame->stream;
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1108 cl = frame->first;
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1109
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1110 for ( ;; ) {
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1111 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
1112 frame->first = cl;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1113
6292
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1114 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
1115 "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
1116 stream->node->id, frame);
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1117
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1118 return NGX_AGAIN;
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1119 }
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1120
6293
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1121 ln = cl->next;
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1122
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1123 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
1124 cl->next = stream->free_frame_headers;
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1125 stream->free_frame_headers = cl;
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1126
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1127 } else {
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1128 cl->next = stream->free_bufs;
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1129 stream->free_bufs = cl;
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1130 }
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1131
6292
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1132 if (cl == frame->last) {
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1133 break;
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1134 }
f72d3129cd35 HTTP/2: fixed handling of output HEADERS frames.
Valentin Bartenev <vbart@nginx.com>
parents: 6279
diff changeset
1135
6293
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1136 cl = ln;
6246
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1137 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1138
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1139 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
1140 "http2:%ui HEADERS frame %p was sent",
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1141 stream->node->id, frame);
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 ngx_http_v2_handle_frame(stream, frame);
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_http_v2_handle_stream(h2c, stream);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1146
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1147 return NGX_OK;
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
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1150
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1151 static ngx_int_t
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1152 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
1153 ngx_http_v2_out_frame_t *frame)
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 ngx_buf_t *buf;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1156 ngx_chain_t *cl, *ln;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1157 ngx_http_v2_stream_t *stream;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1158
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1159 stream = frame->stream;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1160
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1161 cl = frame->first;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1162
6293
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1163 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
1164
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1165 if (cl->buf->pos != cl->buf->last) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1166 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
1167 "http2:%ui DATA frame %p was sent partially",
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1168 stream->node->id, frame);
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 return NGX_AGAIN;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1171 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1172
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1173 ln = cl->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1174
6293
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1175 cl->next = stream->free_frame_headers;
ec6b07be88a5 HTTP/2: reused HEADERS and CONTINUATION frames buffers.
Valentin Bartenev <vbart@nginx.com>
parents: 6292
diff changeset
1176 stream->free_frame_headers = cl;
6246
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 if (cl == frame->last) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1179 goto done;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1180 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1181
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1182 cl = ln;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1183 }
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 for ( ;; ) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1186 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
1187 buf = cl->buf->shadow;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1188
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1189 if (ngx_buf_in_memory(buf)) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1190 buf->pos = cl->buf->pos;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1191 }
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 if (buf->in_file) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1194 buf->file_pos = cl->buf->file_pos;
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
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1198 if (ngx_buf_size(cl->buf) != 0) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1199
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1200 if (cl != frame->first) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1201 frame->first = cl;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1202 ngx_http_v2_handle_stream(h2c, stream);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1203 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1204
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1205 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
1206 "http2:%ui DATA frame %p was sent partially",
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1207 stream->node->id, frame);
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 return NGX_AGAIN;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1210 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1211
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1212 ln = cl->next;
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 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
1215 cl->next = stream->free_bufs;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1216 stream->free_bufs = cl;
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 } else {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1219 ngx_free_chain(stream->request->pool, cl);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1220 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1221
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1222 if (cl == frame->last) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1223 goto done;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1224 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1225
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1226 cl = ln;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1227 }
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 done:
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1230
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1231 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
1232 "http2:%ui DATA frame %p was sent",
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1233 stream->node->id, frame);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1234
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1235 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
1236
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1237 ngx_http_v2_handle_frame(stream, frame);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1238
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1239 ngx_http_v2_handle_stream(h2c, stream);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1240
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1241 return NGX_OK;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1242 }
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 static ngx_inline void
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1246 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
1247 ngx_http_v2_out_frame_t *frame)
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 ngx_http_request_t *r;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1250
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1251 r = stream->request;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1252
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1253 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
1254
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1255 if (frame->fin) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1256 stream->out_closed = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1257 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1258
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1259 frame->next = stream->free_frames;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1260 stream->free_frames = frame;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1261
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1262 stream->queued--;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1263 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1264
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1265
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1266 static ngx_inline void
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1267 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
1268 ngx_http_v2_stream_t *stream)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1269 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1270 ngx_event_t *wev;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1271
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1272 if (stream->handled || stream->blocked || stream->exhausted) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1273 return;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1274 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1275
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1276 wev = stream->request->connection->write;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1277
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1278 /*
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1279 * This timer can only be set if the stream was delayed because of rate
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1280 * limit. In that case the event should be triggered by the timer.
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1281 */
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1282
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1283 if (!wev->timer_set) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1284 wev->delayed = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1285
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1286 stream->handled = 1;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1287 ngx_queue_insert_tail(&h2c->posted, &stream->queue);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1288 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1289 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1290
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1291
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1292 static void
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1293 ngx_http_v2_filter_cleanup(void *data)
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1294 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1295 ngx_http_v2_stream_t *stream = data;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1296
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1297 size_t window;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1298 ngx_http_v2_out_frame_t *frame, **fn;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1299 ngx_http_v2_connection_t *h2c;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1300
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1301 if (stream->handled) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1302 stream->handled = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1303 ngx_queue_remove(&stream->queue);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1304 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1305
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1306 if (stream->queued == 0) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1307 return;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1308 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1309
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1310 window = 0;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1311 h2c = stream->connection;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1312 fn = &h2c->last_out;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1313
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1314 for ( ;; ) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1315 frame = *fn;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1316
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1317 if (frame == NULL) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1318 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1319 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1320
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1321 if (frame->stream == stream && !frame->blocked) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1322 *fn = frame->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1323
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1324 window += frame->length;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1325
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1326 if (--stream->queued == 0) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1327 break;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1328 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1329
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1330 continue;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1331 }
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1332
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1333 fn = &frame->next;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1334 }
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 if (h2c->send_window == 0 && window && !ngx_queue_empty(&h2c->waiting)) {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1337 ngx_queue_add(&h2c->posted, &h2c->waiting);
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1338 ngx_queue_init(&h2c->waiting);
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
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1341 h2c->send_window += window;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1342 }
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
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1345 static ngx_int_t
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1346 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
1347 {
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1348 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
1349 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
1350
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1351 return NGX_OK;
257b51c37c5a The HTTP/2 implementation (RFC 7240, 7241).
Valentin Bartenev <vbart@nginx.com>
parents:
diff changeset
1352 }