Mercurial > hg > nginx

annotate src/http/modules/ngx_http_chunked_filter.c @ 452:23fb87bddda1 release-0.1.1

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.1.1-RELEASE import *) Feature: the gzip_types directive. *) Feature: the tcp_nodelay directive. *) Feature: the send_lowat directive is working not only on OSes that support kqueue NOTE_LOWAT, but also on OSes that support SO_SNDLOWAT. *) Feature: the setproctitle() emulation for Linux and Solaris. *) Bugfix: the "Location" header rewrite bug fixed while the proxying. *) Bugfix: the ngx_http_chunked_module module may get caught in an endless loop. *) Bugfix: the /dev/poll module bugs fixed. *) Bugfix: the responses were corrupted when the temporary files were used while the proxying. *) Bugfix: the unescaped requests were passed to the backend. *) Bugfix: while the build configuration on Linux 2.4 the --with-poll_module parameter was required.
author Igor Sysoev <igor@sysoev.ru>
date Mon, 11 Oct 2004 15:07:03 +0000
parents 42d11f017717
children 295d97d70c69
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da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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2 /*
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42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
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3 * Copyright (C) Igor Sysoev
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4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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5
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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7 #include <ngx_config.h>
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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8 #include <ngx_core.h>
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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9 #include <ngx_http.h>
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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2e3cbc1bbe3c nginx-0.0.7-2004-06-16-19:32:11 import
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12 static ngx_int_t ngx_http_chunked_filter_init(ngx_cycle_t *cycle);
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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15 static ngx_http_module_t ngx_http_chunked_filter_module_ctx = {
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4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
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16 NULL, /* pre conf */
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17
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18 NULL, /* create main configuration */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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19 NULL, /* init main configuration */
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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21 NULL, /* create server configuration */
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22 NULL, /* merge server configuration */
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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24 NULL, /* create location configuration */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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25 NULL, /* merge location configuration */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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26 };
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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29 ngx_module_t ngx_http_chunked_filter_module = {
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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30 NGX_MODULE,
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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31 &ngx_http_chunked_filter_module_ctx, /* module context */
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32 NULL, /* module directives */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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33 NGX_HTTP_MODULE, /* module type */
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152567c11325 nginx-0.0.1-2003-07-02-22:51:41 import
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34 ngx_http_chunked_filter_init, /* init module */
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35 NULL /* init child */
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36 };
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38
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39 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
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40 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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42
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43 static ngx_int_t ngx_http_chunked_header_filter(ngx_http_request_t *r)
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44 {
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e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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45 if (r->headers_out.status == NGX_HTTP_NOT_MODIFIED) {
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46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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46 return ngx_http_next_header_filter(r);
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e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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47 }
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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48
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c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
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49 if (r->headers_out.content_length_n == -1) {
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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50 if (r->http_version < NGX_HTTP_VERSION_11) {
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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51 r->keepalive = 0;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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52
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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53 } else {
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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54 r->chunked = 1;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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55 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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56 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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57
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58 return ngx_http_next_header_filter(r);
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59 }
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61
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62 static ngx_int_t ngx_http_chunked_body_filter(ngx_http_request_t *r,
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63 ngx_chain_t *in)
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64 {
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87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
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65 u_char *chunk;
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66 size_t size, len;
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67 ngx_buf_t *b;
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68 ngx_chain_t out, tail, *cl, *tl, **ll;
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69
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70 if (in == NULL || !r->chunked) {
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71 return ngx_http_next_body_filter(r, in);
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72 }
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73
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74 out.buf = NULL;
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75 ll = &out.next;
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76
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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77 size = 0;
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46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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78 cl = in;
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79
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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80 for ( ;; ) {
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81 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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82 "http chunk: %d", ngx_buf_size(cl->buf));
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83
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84 size += ngx_buf_size(cl->buf);
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85
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23fb87bddda1 nginx-0.1.1-RELEASE import
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86 if (cl->buf->flush || ngx_buf_in_memory(cl->buf) || cl->buf->in_file) {
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87 ngx_test_null(tl, ngx_alloc_chain_link(r->pool), NGX_ERROR);
23fb87bddda1 nginx-0.1.1-RELEASE import
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88 tl->buf = cl->buf;
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89 *ll = tl;
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90 ll = &tl->next;
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91 }
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92
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46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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93 if (cl->next == NULL) {
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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94 break;
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95 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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96
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46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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97 cl = cl->next;
99
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98 }
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99
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ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
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100 if (size) {
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
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101 ngx_test_null(chunk, ngx_palloc(r->pool, 11), NGX_ERROR);
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102 len = ngx_snprintf((char *) chunk, 11, SIZE_T_X_FMT CRLF, size);
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103
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104 ngx_test_null(b, ngx_calloc_buf(r->pool), NGX_ERROR);
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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105 b->temporary = 1;
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106 b->pos = chunk;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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107 b->last = chunk + len;
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108
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109 out.buf = b;
336
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110 }
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111
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
112 if (cl->buf->last_buf) {
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
113 ngx_test_null(b, ngx_calloc_buf(r->pool), NGX_ERROR);
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
114 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
115 b->last_buf = 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
116 b->pos = (u_char *) CRLF "0" CRLF 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
117 b->last = b->pos + 7;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
118
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
119 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
120
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
121 if (size == 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
122 b->pos += 2;
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
123 out.buf = b;
337
4feff829a849 nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 336
diff changeset
124 out.next = NULL;
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
125
337
4feff829a849 nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 336
diff changeset
126 return ngx_http_next_body_filter(r, &out);
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
127 }
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
128
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
129 } else {
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
130 if (size == 0) {
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
131 *ll = NULL;
337
4feff829a849 nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 336
diff changeset
132 return ngx_http_next_body_filter(r, out.next);
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
133 }
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
134
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
135 ngx_test_null(b, ngx_calloc_buf(r->pool), NGX_ERROR);
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
136 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
137 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
138 b->last = b->pos + 2;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
139 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
140
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
141 tail.buf = b;
337
4feff829a849 nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 336
diff changeset
142 tail.next = NULL;
4feff829a849 nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 336
diff changeset
143 *ll = &tail;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
144
337
4feff829a849 nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 336
diff changeset
145 return 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
146 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
147
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
148
356
2e3cbc1bbe3c nginx-0.0.7-2004-06-16-19:32:11 import
Igor Sysoev <igor@sysoev.ru>
parents: 343
diff changeset
149 static ngx_int_t ngx_http_chunked_filter_init(ngx_cycle_t *cycle)
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150 {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
151 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
152 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
153
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
154 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
155 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
156
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
157 return NGX_OK;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
158 }