Mercurial > hg > nginx
annotate src/http/modules/proxy/ngx_http_proxy_cache.c @ 170:c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Sun, 02 Nov 2003 22:56:18 +0000 |
parents | |
children | aff0e5d32af8 |
rev | line source |
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170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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1 |
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nginx-0.0.1-2003-11-03-01:56:18 import
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2 #include <ngx_config.h> |
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nginx-0.0.1-2003-11-03-01:56:18 import
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3 #include <ngx_core.h> |
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nginx-0.0.1-2003-11-03-01:56:18 import
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4 #include <ngx_http.h> |
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nginx-0.0.1-2003-11-03-01:56:18 import
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5 #include <ngx_http_proxy_handler.h> |
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6 |
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7 |
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8 int ngx_http_proxy_get_cached_response(ngx_http_proxy_ctx_t *p) |
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9 { |
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10 int rc; |
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11 char *last; |
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12 ngx_http_request_t *r; |
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nginx-0.0.1-2003-11-03-01:56:18 import
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13 ngx_http_proxy_cache_t *c; |
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nginx-0.0.1-2003-11-03-01:56:18 import
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14 ngx_http_proxy_upstream_t *u; |
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15 |
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16 r = p->request; |
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17 |
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18 if (!(c = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_cache_t)))) { |
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19 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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20 } |
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21 |
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22 c->ctx.file.fd = NGX_INVALID_FILE; |
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23 c->ctx.file.log = r->connection->log; |
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24 c->ctx.path = p->lcf->cache_path; |
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25 |
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26 u = p->lcf->upstream; |
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27 |
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28 c->ctx.key.len = u->url.len + r->uri.len - u->location->len + r->args.len; |
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29 if (!(c->ctx.key.data = ngx_palloc(r->pool, c->ctx.key.len + 1))) { |
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30 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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31 } |
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32 |
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33 last = ngx_cpymem(c->ctx.key.data, u->url.data, u->url.len); |
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34 |
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35 last = ngx_cpymem(last, r->uri.data + u->location->len, |
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36 r->uri.len - u->location->len); |
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37 |
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38 if (r->args.len > 0) { |
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nginx-0.0.1-2003-11-03-01:56:18 import
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39 *(last++) = '?'; |
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40 last = ngx_cpymem(last, r->args.data, r->args.len); |
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41 } |
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nginx-0.0.1-2003-11-03-01:56:18 import
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42 *last = '\0'; |
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43 |
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nginx-0.0.1-2003-11-03-01:56:18 import
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44 p->header_in = ngx_create_temp_hunk(r->pool, p->lcf->header_buffer_size); |
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45 if (p->header_in == NULL) { |
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46 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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47 } |
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nginx-0.0.1-2003-11-03-01:56:18 import
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48 p->header_in->tag = (ngx_hunk_tag_t) &ngx_http_proxy_module; |
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49 |
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50 c->ctx.buf = p->header_in; |
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nginx-0.0.1-2003-11-03-01:56:18 import
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51 p->cache = c; |
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52 |
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nginx-0.0.1-2003-11-03-01:56:18 import
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53 rc = ngx_http_cache_get_file(r, &c->ctx); |
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54 |
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55 if (rc == NGX_OK || rc == NGX_STALE) { |
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nginx-0.0.1-2003-11-03-01:56:18 import
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56 p->header_in->pos += c->ctx.header.size; |
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57 |
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58 } else if (rc == NGX_DECLINED) { |
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59 p->header_in->pos += c->ctx.header.size; |
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60 p->header_in->last = p->header_in->pos; |
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61 } |
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62 |
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63 return rc; |
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64 } |
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65 |
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66 |
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67 int ngx_http_proxy_process_cached_response(ngx_http_proxy_ctx_t *p) |
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68 { |
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69 int rc, i; |
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70 ngx_table_elt_t *h; |
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71 ngx_http_request_t *r; |
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72 ngx_http_proxy_cache_t *c; |
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73 |
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74 rc = ngx_http_proxy_parse_status_line(p); |
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75 |
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76 c = p->cache; |
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77 r = p->request; |
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78 |
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79 if (rc == NGX_AGAIN) { |
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80 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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81 "\"proxy_header_buffer_size\" " |
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82 "is too small to read header from \"%s\"", |
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83 c->ctx.file.name.data); |
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84 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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85 } |
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86 |
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87 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) { |
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88 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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89 "no valid HTTP/1.0 header in \"%s\"", |
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90 c->ctx.file.name.data); |
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91 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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92 } |
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93 |
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94 /* rc == NGX_OK */ |
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95 |
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96 c->status = p->status; |
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97 c->status_line.len = p->status_end - p->status_start; |
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98 c->status_line.data = ngx_palloc(r->pool, c->status_line.len + 1); |
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99 if (c->status_line.data == NULL) { |
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100 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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101 } |
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102 |
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103 ngx_cpystrn(c->status_line.data, p->status_start, c->status_line.len + 1); |
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104 |
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105 ngx_log_debug(r->connection->log, "http cache status %d '%s'" _ |
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nginx-0.0.1-2003-11-03-01:56:18 import
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106 c->status _ c->status_line.data); |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
107 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
108 c->headers_in.headers = ngx_create_table(r->pool, 20); |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
109 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
110 for ( ;; ) { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
111 rc = ngx_http_parse_header_line(r, p->header_in); |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
112 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
113 if (rc == NGX_OK) { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
114 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
115 /* a header line has been parsed successfully */ |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
116 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
117 h = ngx_http_add_header(&c->headers_in, ngx_http_proxy_headers_in); |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
118 if (h == NULL) { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
119 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
120 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
121 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
122 h->key.len = r->header_name_end - r->header_name_start; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
123 h->value.len = r->header_end - r->header_start; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
124 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
125 h->key.data = ngx_palloc(r->pool, |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
126 h->key.len + 1 + h->value.len + 1); |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
127 if (h->key.data == NULL) { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
128 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
129 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
130 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
131 h->value.data = h->key.data + h->key.len + 1; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
132 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1); |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
133 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1); |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
134 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
135 for (i = 0; ngx_http_proxy_headers_in[i].name.len != 0; i++) { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
136 if (ngx_http_proxy_headers_in[i].name.len != h->key.len) { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
137 continue; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
138 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
139 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
140 if (ngx_strcasecmp(ngx_http_proxy_headers_in[i].name.data, |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
141 h->key.data) == 0) |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
142 { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
143 *((ngx_table_elt_t **) ((char *) &c->headers_in |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 + ngx_http_proxy_headers_in[i].offset)) = h; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 break; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
146 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
147 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
148 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
149 ngx_log_debug(r->connection->log, "HTTP cache header: '%s: %s'" _ |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
150 h->key.data _ h->value.data); |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
151 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
152 continue; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
154 } else if (rc == NGX_HTTP_PARSE_HEADER_DONE) { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
155 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
156 /* a whole header has been parsed successfully */ |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
157 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
158 ngx_log_debug(r->connection->log, "HTTP header done"); |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
159 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
160 return ngx_http_proxy_send_cached_response(p); |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
161 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
162 } else if (rc == NGX_HTTP_PARSE_INVALID_HEADER) { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
163 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
164 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
165 "invalid header in \"%s\"", |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
166 c->ctx.file.name.data); |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
167 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
168 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
169 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
170 /* rc == NGX_AGAIN || rc == NGX_HTTP_PARSE_TOO_LONG_HEADER */ |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
171 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
172 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
173 "\"proxy_header_buffer_size\" " |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
174 "is too small to read header from \"%s\"", |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 c->ctx.file.name.data); |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
176 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
177 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
178 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
179 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
180 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
181 int ngx_http_proxy_send_cached_response(ngx_http_proxy_ctx_t *p) |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
182 { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
183 int rc; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
184 ngx_hunk_t *h; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
185 ngx_chain_t out; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
186 ngx_http_request_t *r; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
187 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
188 r = p->request; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
189 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
190 r->headers_out.status = p->status; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
191 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
192 #if 0 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
193 r->headers_out.content_length_n = -1; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
194 r->headers_out.content_length = NULL; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
195 #endif |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
196 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
197 /* copy an cached header to r->headers_out */ |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
198 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
199 if (ngx_http_proxy_copy_header(p, &p->cache->headers_in) == NGX_ERROR) { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
200 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
201 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
202 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
203 /* we need to allocate all before the header would be sent */ |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
204 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
205 if (!((h = ngx_calloc_hunk(r->pool)))) { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
206 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
207 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
208 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
209 if (!((h->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t))))) { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
210 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
211 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
212 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
213 rc = ngx_http_send_header(r); |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
214 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
215 /* NEEDED ??? */ p->header_sent = 1; |
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216 |
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217 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { |
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218 return rc; |
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219 } |
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220 |
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221 /* TODO: part in p->header_in */ |
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222 |
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223 h->type = r->main ? NGX_HUNK_FILE : NGX_HUNK_FILE|NGX_HUNK_LAST; |
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224 |
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225 h->file_pos = p->header_in->pos - p->header_in->start; |
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226 h->file_last = h->file_pos + p->cache->ctx.header.length; |
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227 |
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228 h->file->fd = p->cache->ctx.file.fd; |
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229 h->file->log = r->connection->log; |
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230 |
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231 out.hunk = h; |
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232 out.next = NULL; |
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233 |
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234 return ngx_http_output_filter(r, &out); |
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235 } |