Mercurial > hg > nginx

annotate src/http/modules/ngx_http_chunked_filter.c @ 343:6bdf858bff8c

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nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
author Igor Sysoev <igor@sysoev.ru>
date Fri, 28 May 2004 15:49:23 +0000
parents 4feff829a849
children 2e3cbc1bbe3c
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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1
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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2 #include <ngx_config.h>
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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3 #include <ngx_core.h>
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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4 #include <ngx_http.h>
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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6
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d7f606e25b99 nginx-0.0.1-2003-07-04-19:10:33 import
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7 static int 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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9
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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10 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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11 NULL, /* pre conf */
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12
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13 NULL, /* create main configuration */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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14 NULL, /* init main configuration */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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15
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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16 NULL, /* create server configuration */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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17 NULL, /* merge server configuration */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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18
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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19 NULL, /* create location configuration */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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20 NULL, /* merge location configuration */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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21 };
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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23
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
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24 ngx_module_t ngx_http_chunked_filter_module = {
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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25 NGX_MODULE,
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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26 &ngx_http_chunked_filter_module_ctx, /* module context */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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27 NULL, /* module directives */
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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28 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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29 ngx_http_chunked_filter_init, /* init module */
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d7f606e25b99 nginx-0.0.1-2003-07-04-19:10:33 import
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30 NULL /* init child */
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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31 };
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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32
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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33
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34 static ngx_http_output_header_filter_pt ngx_http_next_header_filter;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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35 static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
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36
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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38 static int ngx_http_chunked_header_filter(ngx_http_request_t *r)
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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39 {
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e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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40 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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41 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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42 }
e29909bd9b8a nginx-0.0.1-2003-09-28-23:29:06 import
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43
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c71aeb75c071 nginx-0.0.1-2003-10-21-20:49:56 import
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44 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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45 if (r->http_version < NGX_HTTP_VERSION_11) {
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
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46 r->keepalive = 0;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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47
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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48 } else {
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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49 r->chunked = 1;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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50 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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51 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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52
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53 return ngx_http_next_header_filter(r);
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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54 }
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
Igor Sysoev <igor@sysoev.ru>
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57 static int ngx_http_chunked_body_filter(ngx_http_request_t *r, ngx_chain_t *in)
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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58 {
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87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import
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parents: 195
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59 u_char *chunk;
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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60 size_t size, len;
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6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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61 ngx_buf_t *b;
337
4feff829a849 nginx-0.0.3-2004-05-19-00:28:54 import
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62 ngx_chain_t out, tail, *cl, *tl, **ll;
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63
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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64 if (in == NULL || !r->chunked) {
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46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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65 return ngx_http_next_body_filter(r, in);
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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66 }
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67
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68 out.buf = NULL;
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69 ll = &out.next;
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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70
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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71 size = 0;
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46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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72 cl = in;
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73
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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74 for ( ;; ) {
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ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
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75 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
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76 "http chunk: %d", ngx_buf_size(cl->buf));
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77
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78 size += ngx_buf_size(cl->buf);
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79
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46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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80 ngx_test_null(tl, ngx_alloc_chain_link(r->pool), NGX_ERROR);
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81 tl->buf = cl->buf;
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46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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82 *ll = tl;
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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83 ll = &tl->next;
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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84
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46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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85 if (cl->next == NULL) {
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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86 break;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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87 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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88
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46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
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89 cl = cl->next;
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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90 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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91
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
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92 if (size) {
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
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parents: 292
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93 ngx_test_null(chunk, ngx_palloc(r->pool, 11), NGX_ERROR);
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
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94 len = ngx_snprintf((char *) chunk, 11, SIZE_T_X_FMT CRLF, size);
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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95
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96 ngx_test_null(b, ngx_calloc_buf(r->pool), NGX_ERROR);
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97 b->temporary = 1;
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98 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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99 b->last = chunk + len;
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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100
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101 out.buf = b;
336
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parents: 292
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102 }
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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103
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104 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
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parents: 337
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105 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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106 b->memory = 1;
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107 b->last_buf = 1;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t
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108 b->pos = (u_char *) CRLF "0" CRLF CRLF;
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109 b->last = b->pos + 7;
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a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
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110
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111 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
112
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
113 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
114 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
115 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
116 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
117
337
4feff829a849 nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 336
diff changeset
118 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
119 }
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
120
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
121 } else {
336
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
122 if (size == 0) {
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
123 *ll = NULL;
337
4feff829a849 nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 336
diff changeset
124 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
125 }
ca9a7f8c86da nginx-0.0.3-2004-05-18-19:29:08 import
Igor Sysoev <igor@sysoev.ru>
parents: 292
diff changeset
126
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
127 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
128 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
129 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
130 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
131 }
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
132
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
133 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
134 tail.next = NULL;
4feff829a849 nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 336
diff changeset
135 *ll = &tail;
99
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
136
337
4feff829a849 nginx-0.0.3-2004-05-19-00:28:54 import
Igor Sysoev <igor@sysoev.ru>
parents: 336
diff changeset
137 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
138 }
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
113
d7f606e25b99 nginx-0.0.1-2003-07-04-19:10:33 import
Igor Sysoev <igor@sysoev.ru>
parents: 110
diff changeset
141 static int 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
142 {
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
143 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
144 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
145
155
46eb23d9471d nginx-0.0.1-2003-10-22-20:38:26 import
Igor Sysoev <igor@sysoev.ru>
parents: 153
diff changeset
146 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
147 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
148
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
149 return NGX_OK;
a059e1aa65d4 nginx-0.0.1-2003-06-02-19:24:30 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
150 }