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annotate src/http/modules/ngx_http_chunked_filter_module.c @ 8292:46e3542d51b3 quic

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Chunked response body in HTTP/3.
author Roman Arutyunyan <arut@nginx.com>
date Fri, 27 Mar 2020 19:46:54 +0300
parents 1b068a4e82d8
children ef83990f0e25
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 356
diff changeset
1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 356
diff changeset
2 /*
444
42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents: 441
diff changeset
3 * Copyright (C) Igor Sysoev
4412
d620f497c50f Copyright updated.
Maxim Konovalov <maxim@nginx.com>
parents: 4128
diff changeset
4 * Copyright (C) Nginx, Inc.
441
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 356
diff changeset
5 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents: 356
diff changeset
6
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
7
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
8 #include <ngx_config.h>
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
9 #include <ngx_core.h>
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
10 #include <ngx_http.h>
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
11
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
12
4113
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
13 typedef struct {
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
14 ngx_chain_t *free;
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
15 ngx_chain_t *busy;
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
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16 } ngx_http_chunked_filter_ctx_t;
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
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17
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
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18
681
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 667
diff changeset
19 static ngx_int_t ngx_http_chunked_filter_init(ngx_conf_t *cf);
7034
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Piotr Sikora <piotrsikora@google.com>
parents: 6480
diff changeset
20 static ngx_chain_t *ngx_http_chunked_create_trailers(ngx_http_request_t *r,
8292
46e3542d51b3 Chunked response body in HTTP/3.
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parents: 7034
diff changeset
21 ngx_http_chunked_filter_ctx_t *ctx, size_t size);
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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22
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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23
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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24 static ngx_http_module_t ngx_http_chunked_filter_module_ctx = {
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
25 NULL, /* preconfiguration */
681
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 667
diff changeset
26 ngx_http_chunked_filter_init, /* postconfiguration */
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 155
diff changeset
27
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
28 NULL, /* create main configuration */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
29 NULL, /* init main configuration */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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30
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
31 NULL, /* create server configuration */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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32 NULL, /* merge server configuration */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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33
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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34 NULL, /* create location configuration */
629
65bf042c0b4f nginx-0.3.36-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 615
diff changeset
35 NULL /* merge location configuration */
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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36 };
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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37
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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38
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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39 ngx_module_t ngx_http_chunked_filter_module = {
509
9b8c906f6e63 nginx-0.1.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 501
diff changeset
40 NGX_MODULE_V1,
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
41 &ngx_http_chunked_filter_module_ctx, /* module context */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
42 NULL, /* module directives */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
43 NGX_HTTP_MODULE, /* module type */
541
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
44 NULL, /* init master */
681
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 667
diff changeset
45 NULL, /* init module */
541
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
46 NULL, /* init process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
47 NULL, /* init thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
48 NULL, /* exit thread */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
49 NULL, /* exit process */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
50 NULL, /* exit master */
b09ee85d0ac8 nginx-0.1.45-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 509
diff changeset
51 NGX_MODULE_V1_PADDING
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
52 };
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
53
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
54
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
55 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
56 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
57
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
58
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
59 static ngx_int_t
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
60 ngx_http_chunked_header_filter(ngx_http_request_t *r)
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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61 {
4113
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Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
62 ngx_http_core_loc_conf_t *clcf;
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
63 ngx_http_chunked_filter_ctx_t *ctx;
3484
81457372d938 chunked_transfer_encoding
Igor Sysoev <igor@sysoev.ru>
parents: 3411
diff changeset
64
615
5ef026a2ac74 nginx-0.3.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
65 if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED
5ef026a2ac74 nginx-0.3.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
66 || r->headers_out.status == NGX_HTTP_NO_CONTENT
5072
7fa7e60a7f66 Proxy: support for connection upgrade (101 Switching Protocols).
Maxim Dounin <mdounin@mdounin.ru>
parents: 4412
diff changeset
67 || r->headers_out.status < NGX_HTTP_OK
3331
e0bc43a52382 backout r3325: postpone filter is a body only filter
Igor Sysoev <igor@sysoev.ru>
parents: 3324
diff changeset
68 || r != r->main
6306
b1858fc47e3b Style: unified request method checks.
Ruslan Ermilov <ru@nginx.com>
parents: 5072
diff changeset
69 || r->method == NGX_HTTP_HEAD)
615
5ef026a2ac74 nginx-0.3.29-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 597
diff changeset
70 {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
71 return ngx_http_next_header_filter(r);
135
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 113
diff changeset
72 }
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
Igor Sysoev <igor@sysoev.ru>
parents: 113
diff changeset
73
7034
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
diff changeset
74 if (r->headers_out.content_length_n == -1
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
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75 || r->expect_trailers)
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
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76 {
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
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77 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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78
7034
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Piotr Sikora <piotrsikora@google.com>
parents: 6480
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79 if (r->http_version >= NGX_HTTP_VERSION_11
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
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80 && clcf->chunked_transfer_encoding)
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
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81 {
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
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82 if (r->expect_trailers) {
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
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83 ngx_http_clear_content_length(r);
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
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84 }
3484
81457372d938 chunked_transfer_encoding
Igor Sysoev <igor@sysoev.ru>
parents: 3411
diff changeset
85
7034
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Piotr Sikora <piotrsikora@google.com>
parents: 6480
diff changeset
86 r->chunked = 1;
4113
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Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
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87
7034
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
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88 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_chunked_filter_ctx_t));
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
diff changeset
89 if (ctx == NULL) {
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
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90 return NGX_ERROR;
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
diff changeset
91 }
4113
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
92
7034
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Piotr Sikora <piotrsikora@google.com>
parents: 6480
diff changeset
93 ngx_http_set_ctx(r, ctx, ngx_http_chunked_filter_module);
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
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94
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Piotr Sikora <piotrsikora@google.com>
parents: 6480
diff changeset
95 } else if (r->headers_out.content_length_n == -1) {
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
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96 r->keepalive = 0;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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97 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
98 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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99
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
100 return ngx_http_next_header_filter(r);
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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101 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
102
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
103
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
104 static ngx_int_t
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
105 ngx_http_chunked_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
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106 {
4113
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Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
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107 u_char *chunk;
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
108 off_t size;
8292
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Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
109 size_t n;
4113
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Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
110 ngx_int_t rc;
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Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
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111 ngx_buf_t *b;
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Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
112 ngx_chain_t *out, *cl, *tl, **ll;
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
113 ngx_http_chunked_filter_ctx_t *ctx;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
114
483
621229427cba nginx-0.1.16-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 473
diff changeset
115 if (in == NULL || !r->chunked || r->header_only) {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
116 return ngx_http_next_body_filter(r, in);
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
117 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
118
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Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
119 ctx = ngx_http_get_module_ctx(r, ngx_http_chunked_filter_module);
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
120
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Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
121 out = NULL;
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
122 ll = &out;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
123
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
124 size = 0;
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
125 cl = in;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
126
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
127 for ( ;; ) {
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
128 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
6480
f01ab2dbcfdc Fixed logging.
Sergey Kandaurov <pluknet@nginx.com>
parents: 6306
diff changeset
129 "http chunk: %O", ngx_buf_size(cl->buf));
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
130
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
131 size += ngx_buf_size(cl->buf);
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132
667
63a820b0bc6c nginx-0.3.55-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
133 if (cl->buf->flush
63a820b0bc6c nginx-0.3.55-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
134 || cl->buf->sync
63a820b0bc6c nginx-0.3.55-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
135 || ngx_buf_in_memory(cl->buf)
63a820b0bc6c nginx-0.3.55-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
136 || cl->buf->in_file)
63a820b0bc6c nginx-0.3.55-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 633
diff changeset
137 {
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
138 tl = ngx_alloc_chain_link(r->pool);
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
139 if (tl == NULL) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
140 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
141 }
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
142
452
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
143 tl->buf = cl->buf;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
144 *ll = tl;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
145 ll = &tl->next;
23fb87bddda1 nginx-0.1.1-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 444
diff changeset
146 }
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
148 if (cl->next == NULL) {
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149 break;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
151
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
152 cl = cl->next;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
153 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
154
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
155 if (size) {
4113
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
156 tl = ngx_chain_get_free_buf(r->pool, &ctx->free);
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
157 if (tl == NULL) {
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
158 return NGX_ERROR;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
159 }
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
160
4113
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
161 b = tl->buf;
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
162 chunk = b->start;
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
163
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
164 if (chunk == NULL) {
8292
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
165
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
166 #if (NGX_HTTP_V3)
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
167 if (r->http_version == NGX_HTTP_VERSION_30) {
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
168 n = NGX_HTTP_V3_VARLEN_INT_LEN * 2;
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
169
8292
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
170 } else
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
171 #endif
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
172 {
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
173 /* the "0000000000000000" is 64-bit hexadecimal string */
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
174 n = sizeof("0000000000000000" CRLF) - 1;
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
175 }
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
176
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
177 chunk = ngx_palloc(r->pool, n);
4113
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
178 if (chunk == NULL) {
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
179 return NGX_ERROR;
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
180 }
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
181
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
182 b->start = chunk;
8292
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
183 b->end = chunk + n;
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
184 }
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
185
4113
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
186 b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module;
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
187 b->memory = 0;
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
188 b->temporary = 1;
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
189 b->pos = chunk;
8292
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
190
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
191 #if (NGX_HTTP_V3)
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
192 if (r->http_version == NGX_HTTP_VERSION_30) {
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
193 b->last = (u_char *) ngx_http_v3_encode_varlen_int(chunk,
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
194 NGX_HTTP_V3_FRAME_DATA);
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
195 b->last = (u_char *) ngx_http_v3_encode_varlen_int(b->last, size);
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
196
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
197 } else
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
198 #endif
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
199 {
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
200 b->last = ngx_sprintf(chunk, "%xO" CRLF, size);
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
201 }
455
295d97d70c69 nginx-0.1.2-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 452
diff changeset
202
4113
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
203 tl->next = out;
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
204 out = tl;
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
205 }
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
206
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
207 if (cl->buf->last_buf) {
8292
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
208 tl = ngx_http_chunked_create_trailers(r, ctx, size);
4113
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
209 if (tl == NULL) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
210 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
211 }
4128
4b0b0e77dc3d Trailing space fix.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4114
diff changeset
212
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
213 cl->buf->last_buf = 0;
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
214
4113
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
215 *ll = tl;
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
216
8292
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
217 } else if (size > 0
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
218 #if (NGX_HTTP_V3)
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
219 && r->http_version != NGX_HTTP_VERSION_30
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
220 #endif
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
221 )
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
222 {
4113
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
223 tl = ngx_chain_get_free_buf(r->pool, &ctx->free);
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
224 if (tl == NULL) {
461
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
225 return NGX_ERROR;
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
226 }
a88a3e4e158f nginx-0.1.5-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 455
diff changeset
227
4113
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
228 b = tl->buf;
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
229
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
230 b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module;
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
231 b->temporary = 0;
343
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
232 b->memory = 1;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
233 b->pos = (u_char *) CRLF;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
Igor Sysoev <igor@sysoev.ru>
parents: 337
diff changeset
234 b->last = b->pos + 2;
4113
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
235
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
236 *ll = tl;
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
237
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
238 } else {
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
239 *ll = NULL;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
240 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
241
4113
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
242 rc = ngx_http_next_body_filter(r, out);
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
243
4114
5db098f97e0e API change: ngx_chain_update_chains() now requires pool.
Maxim Dounin <mdounin@mdounin.ru>
parents: 4113
diff changeset
244 ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &out,
4113
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
245 (ngx_buf_tag_t) &ngx_http_chunked_filter_module);
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
246
a28ba1cdec27 Buffers reuse in chunked filter.
Maxim Dounin <mdounin@mdounin.ru>
parents: 3484
diff changeset
247 return rc;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
248 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
249
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
250
7034
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
diff changeset
251 static ngx_chain_t *
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
diff changeset
252 ngx_http_chunked_create_trailers(ngx_http_request_t *r,
8292
46e3542d51b3 Chunked response body in HTTP/3.
Roman Arutyunyan <arut@nginx.com>
parents: 7034
diff changeset
253 ngx_http_chunked_filter_ctx_t *ctx, size_t size)
7034
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
diff changeset
254 {
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
diff changeset
255 size_t len;
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
diff changeset
256 ngx_buf_t *b;
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
parents: 6480
diff changeset
257 ngx_uint_t i;
1b068a4e82d8 Added support for trailers in HTTP responses.
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258 ngx_chain_t *cl;
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259 ngx_list_part_t *part;
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260 ngx_table_elt_t *header;
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261
8292
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262 #if (NGX_HTTP_V3)
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263 if (r->http_version == NGX_HTTP_VERSION_30) {
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264 return ngx_http_v3_create_trailers(r);
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265 }
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266 #endif
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267
7034
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268 len = 0;
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269
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270 part = &r->headers_out.trailers.part;
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271 header = part->elts;
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272
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273 for (i = 0; /* void */; i++) {
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274
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275 if (i >= part->nelts) {
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276 if (part->next == NULL) {
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277 break;
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278 }
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279
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280 part = part->next;
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281 header = part->elts;
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282 i = 0;
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283 }
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284
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285 if (header[i].hash == 0) {
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286 continue;
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287 }
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288
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289 len += header[i].key.len + sizeof(": ") - 1
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290 + header[i].value.len + sizeof(CRLF) - 1;
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291 }
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292
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293 cl = ngx_chain_get_free_buf(r->pool, &ctx->free);
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294 if (cl == NULL) {
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295 return NULL;
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296 }
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297
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298 b = cl->buf;
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299
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300 b->tag = (ngx_buf_tag_t) &ngx_http_chunked_filter_module;
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301 b->temporary = 0;
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302 b->memory = 1;
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303 b->last_buf = 1;
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304
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305 if (len == 0) {
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306 b->pos = (u_char *) CRLF "0" CRLF CRLF;
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307 b->last = b->pos + sizeof(CRLF "0" CRLF CRLF) - 1;
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308 return cl;
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309 }
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310
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311 len += sizeof(CRLF "0" CRLF CRLF) - 1;
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312
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313 b->pos = ngx_palloc(r->pool, len);
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314 if (b->pos == NULL) {
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315 return NULL;
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316 }
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317
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318 b->last = b->pos;
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319
8292
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320 if (size > 0) {
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321 *b->last++ = CR; *b->last++ = LF;
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322 }
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323
7034
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324 *b->last++ = '0';
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325 *b->last++ = CR; *b->last++ = LF;
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326
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327 part = &r->headers_out.trailers.part;
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328 header = part->elts;
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329
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330 for (i = 0; /* void */; i++) {
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331
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332 if (i >= part->nelts) {
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333 if (part->next == NULL) {
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334 break;
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335 }
1b068a4e82d8 Added support for trailers in HTTP responses.
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diff changeset
336
1b068a4e82d8 Added support for trailers in HTTP responses.
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337 part = part->next;
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338 header = part->elts;
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339 i = 0;
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340 }
1b068a4e82d8 Added support for trailers in HTTP responses.
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diff changeset
341
1b068a4e82d8 Added support for trailers in HTTP responses.
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diff changeset
342 if (header[i].hash == 0) {
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diff changeset
343 continue;
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diff changeset
344 }
1b068a4e82d8 Added support for trailers in HTTP responses.
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345
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346 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
1b068a4e82d8 Added support for trailers in HTTP responses.
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diff changeset
347 "http trailer: \"%V: %V\"",
1b068a4e82d8 Added support for trailers in HTTP responses.
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diff changeset
348 &header[i].key, &header[i].value);
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diff changeset
349
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diff changeset
350 b->last = ngx_copy(b->last, header[i].key.data, header[i].key.len);
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diff changeset
351 *b->last++ = ':'; *b->last++ = ' ';
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diff changeset
352
1b068a4e82d8 Added support for trailers in HTTP responses.
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diff changeset
353 b->last = ngx_copy(b->last, header[i].value.data, header[i].value.len);
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diff changeset
354 *b->last++ = CR; *b->last++ = LF;
1b068a4e82d8 Added support for trailers in HTTP responses.
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diff changeset
355 }
1b068a4e82d8 Added support for trailers in HTTP responses.
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diff changeset
356
1b068a4e82d8 Added support for trailers in HTTP responses.
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diff changeset
357 *b->last++ = CR; *b->last++ = LF;
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diff changeset
358
1b068a4e82d8 Added support for trailers in HTTP responses.
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diff changeset
359 return cl;
1b068a4e82d8 Added support for trailers in HTTP responses.
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diff changeset
360 }
1b068a4e82d8 Added support for trailers in HTTP responses.
Piotr Sikora <piotrsikora@google.com>
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diff changeset
361
1b068a4e82d8 Added support for trailers in HTTP responses.
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diff changeset
362
501
d4ea69372b94 nginx-0.1.25-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 483
diff changeset
363 static ngx_int_t
681
7e24168b0853 nginx-0.4.0-RELEASE import
Igor Sysoev <igor@sysoev.ru>
parents: 667
diff changeset
364 ngx_http_chunked_filter_init(ngx_conf_t *cf)
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
365 {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
366 ngx_http_next_header_filter = ngx_http_top_header_filter;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
367 ngx_http_top_header_filter = ngx_http_chunked_header_filter;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
368
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
369 ngx_http_next_body_filter = ngx_http_top_body_filter;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
370 ngx_http_top_body_filter = ngx_http_chunked_body_filter;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
371
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
372 return NGX_OK;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
373 }