Mercurial > hg > nginx-quic
annotate src/http/modules/proxy/ngx_http_proxy_cache.c @ 193:dd66383796a5
nginx-0.0.1-2003-11-20-20:36:43 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 20 Nov 2003 17:36:43 +0000 |
parents | 02a715e85df1 |
children | 8dee38ea9117 |
rev | line source |
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170
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1 |
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2 #include <ngx_config.h> |
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3 #include <ngx_core.h> |
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4 #include <ngx_http.h> |
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5 #include <ngx_http_proxy_handler.h> |
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6 |
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8 static int ngx_http_proxy_process_cached_response(ngx_http_proxy_ctx_t *p, |
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9 int rc); |
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10 static int ngx_http_proxy_process_cached_header(ngx_http_proxy_ctx_t *p); |
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11 static void ngx_http_proxy_cache_look_complete_request(ngx_http_proxy_ctx_t *p); |
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12 |
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14 int ngx_http_proxy_get_cached_response(ngx_http_proxy_ctx_t *p) |
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15 { |
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16 char *last; |
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17 ngx_http_request_t *r; |
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18 ngx_http_proxy_cache_t *c; |
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19 ngx_http_proxy_upstream_conf_t *u; |
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20 |
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21 r = p->request; |
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22 |
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23 if (!(c = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_cache_t)))) { |
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24 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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25 } |
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27 p->cache = c; |
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28 |
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29 c->ctx.file.fd = NGX_INVALID_FILE; |
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30 c->ctx.file.log = r->connection->log; |
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31 c->ctx.path = p->lcf->cache_path; |
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32 |
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33 u = p->lcf->upstream; |
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34 |
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35 c->ctx.key.len = u->url.len + r->uri.len - u->location->len + r->args.len; |
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36 if (!(c->ctx.key.data = ngx_palloc(r->pool, c->ctx.key.len + 1))) { |
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37 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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38 } |
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39 |
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40 last = ngx_cpymem(c->ctx.key.data, u->url.data, u->url.len); |
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41 |
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42 last = ngx_cpymem(last, r->uri.data + u->location->len, |
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43 r->uri.len - u->location->len); |
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44 |
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45 if (r->args.len > 0) { |
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46 *(last++) = '?'; |
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47 last = ngx_cpymem(last, r->args.data, r->args.len); |
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48 } |
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49 *last = '\0'; |
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50 |
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51 p->header_in = ngx_create_temp_hunk(r->pool, p->lcf->header_buffer_size); |
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52 if (p->header_in == NULL) { |
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53 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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54 } |
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55 p->header_in->tag = (ngx_hunk_tag_t) &ngx_http_proxy_module; |
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56 |
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57 c->ctx.buf = p->header_in; |
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58 c->ctx.log = r->connection->log; |
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60 return ngx_http_proxy_process_cached_response(p, |
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61 ngx_http_cache_get_file(r, &c->ctx)); |
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62 } |
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65 static int ngx_http_proxy_process_cached_response(ngx_http_proxy_ctx_t *p, |
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66 int rc) |
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67 { |
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68 if (rc == NGX_OK) { |
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69 p->state->cache_state = NGX_HTTP_PROXY_CACHE_HIT; |
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70 p->header_in->pos = p->header_in->start + p->cache->ctx.header_size; |
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71 |
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72 if (ngx_http_proxy_process_cached_header(p) == NGX_ERROR) { |
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73 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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74 } |
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76 p->valid_header_in = 1; |
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77 |
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78 return ngx_http_proxy_send_cached_response(p); |
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79 } |
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80 |
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81 if (rc == NGX_HTTP_CACHE_STALE) { |
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82 p->state->cache_state = NGX_HTTP_PROXY_CACHE_EXPR; |
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83 |
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84 } else if (rc == NGX_HTTP_CACHE_AGED) { |
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85 p->state->cache_state = NGX_HTTP_PROXY_CACHE_AGED; |
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86 } |
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87 |
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88 if (rc == NGX_HTTP_CACHE_STALE || rc == NGX_HTTP_CACHE_AGED) { |
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89 p->header_in->pos = p->header_in->start + p->cache->ctx.header_size; |
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90 |
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91 if (ngx_http_proxy_process_cached_header(p) == NGX_ERROR) { |
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92 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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93 } |
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95 p->header_in->pos = p->header_in->start + p->cache->ctx.header_size; |
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96 p->header_in->last = p->header_in->pos; |
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97 |
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98 p->stale = 1; |
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99 p->valid_header_in = 1; |
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100 |
170
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nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
101 } else if (rc == NGX_DECLINED) { |
176
c0552e5ab567
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parents:
175
diff
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|
102 p->state->cache_state = NGX_HTTP_PROXY_CACHE_MISS; |
c0552e5ab567
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parents:
175
diff
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|
103 p->header_in->pos = p->header_in->start + p->cache->ctx.header_size; |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
104 p->header_in->last = p->header_in->pos; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
105 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
106 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
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|
107 if (p->lcf->busy_lock) { |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
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parents:
175
diff
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|
108 p->try_busy_lock = 1; |
c0552e5ab567
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parents:
175
diff
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|
109 |
c0552e5ab567
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parents:
175
diff
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|
110 p->header_in->pos = p->header_in->start; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
111 p->header_in->last = p->header_in->start; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
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parents:
175
diff
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|
112 |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
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|
113 p->busy_lock.time = 0; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
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|
114 p->busy_lock.event = p->request->connection->read; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
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|
115 p->busy_lock.event_handler = ngx_http_proxy_busy_lock_handler; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
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|
116 p->busy_lock.md5 = p->cache->ctx.md5; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
117 |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
118 ngx_http_proxy_cache_busy_lock(p); |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
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|
119 return NGX_DONE; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
120 } |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
121 |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
122 return ngx_http_proxy_request_upstream(p); |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
123 } |
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 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
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|
126 static int ngx_http_proxy_process_cached_header(ngx_http_proxy_ctx_t *p) |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
127 { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
128 int rc, i; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
129 ngx_table_elt_t *h; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
130 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
|
131 ngx_http_proxy_cache_t *c; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
132 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
133 rc = ngx_http_proxy_parse_status_line(p); |
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 c = p->cache; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
136 r = p->request; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
137 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
138 if (rc == NGX_AGAIN) { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
139 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
|
140 "\"proxy_header_buffer_size\" " |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
141 "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
|
142 c->ctx.file.name.data); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
143 return NGX_ERROR; |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
144 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
145 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
146 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
147 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
|
148 "no valid HTTP/1.0 header in \"%s\"", |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
149 c->ctx.file.name.data); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
150 return NGX_ERROR; |
170
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 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
153 /* rc == NGX_OK */ |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
154 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
155 c->status = p->status; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
156 c->status_line.len = p->status_end - p->status_start; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
157 c->status_line.data = ngx_palloc(r->pool, c->status_line.len + 1); |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
158 if (c->status_line.data == NULL) { |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
159 return NGX_ERROR; |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
160 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
161 |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
162 /* reset for the possible parsing the upstream header */ |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
163 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
164 p->status = 0; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
165 p->status_count = 0; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
166 |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
167 ngx_cpystrn(c->status_line.data, p->status_start, c->status_line.len + 1); |
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 ngx_log_debug(r->connection->log, "http cache status %d '%s'" _ |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
170 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
|
171 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
172 /* TODO: ngx_init_table */ |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
173 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
|
174 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
175 for ( ;; ) { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
176 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
|
177 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
178 if (rc == NGX_OK) { |
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 /* 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
|
181 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
182 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
|
183 if (h == NULL) { |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
184 return NGX_ERROR; |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
185 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
186 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
187 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
|
188 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
|
189 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
190 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
|
191 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
|
192 if (h->key.data == NULL) { |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
193 return NGX_ERROR; |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
194 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
195 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
196 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
|
197 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
|
198 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
|
199 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
200 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
|
201 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
|
202 continue; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
203 } |
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 (ngx_strcasecmp(ngx_http_proxy_headers_in[i].name.data, |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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parents:
diff
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|
206 h->key.data) == 0) |
c42be4185301
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
207 { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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parents:
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|
208 *((ngx_table_elt_t **) ((char *) &c->headers_in |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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parents:
diff
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|
209 + ngx_http_proxy_headers_in[i].offset)) = h; |
c42be4185301
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parents:
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210 break; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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parents:
diff
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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 |
c42be4185301
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parents:
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214 ngx_log_debug(r->connection->log, "HTTP cache header: '%s: %s'" _ |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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parents:
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|
215 h->key.data _ h->value.data); |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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parents:
diff
changeset
|
216 |
c42be4185301
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
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217 continue; |
c42be4185301
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
218 |
c42be4185301
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parents:
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219 } 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
|
220 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
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|
221 /* 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
|
222 |
c42be4185301
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Igor Sysoev <igor@sysoev.ru>
parents:
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223 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
|
224 |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
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|
225 c->ctx.file_start = p->header_in->pos - p->header_in->start; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
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|
226 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
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|
227 return NGX_OK; |
170
c42be4185301
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
228 |
c42be4185301
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parents:
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229 } 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:
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changeset
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230 |
c42be4185301
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231 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
c42be4185301
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parents:
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|
232 "invalid header in \"%s\"", |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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parents:
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233 c->ctx.file.name.data); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
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parents:
170
diff
changeset
|
234 return NGX_ERROR; |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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parents:
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changeset
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235 } |
c42be4185301
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Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
236 |
c42be4185301
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237 /* rc == NGX_AGAIN || rc == NGX_HTTP_PARSE_TOO_LONG_HEADER */ |
c42be4185301
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
238 |
c42be4185301
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parents:
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239 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:
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changeset
|
240 "\"proxy_header_buffer_size\" " |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
241 "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
|
242 c->ctx.file.name.data); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
243 return NGX_ERROR; |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
244 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
245 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
246 |
c42be4185301
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Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
247 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
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parents:
175
diff
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|
248 void ngx_http_proxy_cache_busy_lock(ngx_http_proxy_ctx_t *p) |
c0552e5ab567
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parents:
175
diff
changeset
|
249 { |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
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parents:
175
diff
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|
250 int rc, ft_type; |
175
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
251 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
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parents:
175
diff
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|
252 rc = ngx_http_busy_lock_cachable(p->lcf->busy_lock, &p->busy_lock, |
c0552e5ab567
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Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
253 p->try_busy_lock); |
175
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
254 |
193
dd66383796a5
nginx-0.0.1-2003-11-20-20:36:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
changeset
|
255 ngx_log_debug(p->request->connection->log, "LOCK CACHABLE: %d" _ rc); |
dd66383796a5
nginx-0.0.1-2003-11-20-20:36:43 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
changeset
|
256 |
175
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
257 if (rc == NGX_OK) { |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
258 if (p->try_busy_lock) { |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
259 p->busy_locked = 1; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
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parents:
175
diff
changeset
|
260 p->header_in->pos = p->header_in->start + p->cache->ctx.header_size; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
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parents:
175
diff
changeset
|
261 p->header_in->last = p->header_in->pos; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
262 |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
263 ngx_http_proxy_request_upstream(p); |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
264 return; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
265 } |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
266 |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
267 ngx_http_proxy_cache_look_complete_request(p); |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
268 return; |
175
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
269 } |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
270 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
271 p->try_busy_lock = 0; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
272 |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
273 if (p->cache->ctx.file.fd != NGX_INVALID_FILE |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
274 && !p->cache->ctx.file.info_valid) |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
275 { |
186
c1f3a3c7c5db
nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
185
diff
changeset
|
276 if (ngx_fd_info(p->cache->ctx.file.fd, &p->cache->ctx.file.info) |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
277 == NGX_FILE_ERROR) |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
278 { |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
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parents:
175
diff
changeset
|
279 ngx_log_error(NGX_LOG_CRIT, p->request->connection->log, ngx_errno, |
186
c1f3a3c7c5db
nginx-0.0.1-2003-11-17-00:49:42 import
Igor Sysoev <igor@sysoev.ru>
parents:
185
diff
changeset
|
280 ngx_fd_info_n " \"%s\" failed", |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
281 p->cache->ctx.file.name.data); |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
282 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR); |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
283 return; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
284 } |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
285 |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
286 p->cache->ctx.file.info_valid = 1; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
287 } |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
288 |
189
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
289 if (rc == NGX_AGAIN) { |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
290 |
189
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
291 if ((ngx_event_flags & (NGX_USE_CLEAR_EVENT|NGX_HAVE_KQUEUE_EVENT)) |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
292 && !p->request->connection->write->active) |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
293 { |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
294 /* |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
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parents:
186
diff
changeset
|
295 * kqueue allows to detect when client closes prematurely |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
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parents:
186
diff
changeset
|
296 * connection |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
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186
diff
changeset
|
297 */ |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
298 |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
299 p->request->connection->write->event_handler = |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
300 ngx_http_proxy_check_broken_connection; |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
301 |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
302 if (ngx_add_event(p->request->connection->write, NGX_WRITE_EVENT, |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
303 NGX_CLEAR_EVENT) == NGX_ERROR) |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
304 { |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
305 ngx_http_proxy_finalize_request(p, |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
306 NGX_HTTP_INTERNAL_SERVER_ERROR); |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
307 return; |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
186
diff
changeset
|
308 } |
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309 } |
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310 |
176
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311 return; |
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312 } |
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313 |
178
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314 ngx_http_busy_unlock(p->lcf->busy_lock, &p->busy_lock); |
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315 |
176
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316 if (rc == NGX_DONE) { |
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317 ft_type = NGX_HTTP_PROXY_FT_BUSY_LOCK; |
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318 |
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319 } else { |
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320 /* rc == NGX_ERROR */ |
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321 ft_type = NGX_HTTP_PROXY_FT_MAX_WAITING; |
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322 } |
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323 |
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324 if (p->stale && (p->lcf->use_stale & ft_type)) { |
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325 ngx_http_proxy_finalize_request(p, |
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326 ngx_http_proxy_send_cached_response(p)); |
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327 return; |
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328 } |
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329 |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
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330 p->state->status = NGX_HTTP_SERVICE_UNAVAILABLE; |
176
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331 ngx_http_proxy_finalize_request(p, NGX_HTTP_SERVICE_UNAVAILABLE); |
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332 } |
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333 |
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334 |
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335 static void ngx_http_proxy_cache_look_complete_request(ngx_http_proxy_ctx_t *p) |
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336 { |
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337 int rc; |
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338 ngx_http_cache_ctx_t *ctx; |
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339 |
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340 if (!(ctx = ngx_pcalloc(p->request->pool, sizeof(ngx_http_cache_ctx_t)))) { |
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341 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR); |
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342 return; |
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343 } |
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344 |
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345 *ctx = p->cache->ctx; |
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346 |
190
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
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347 rc = ngx_http_cache_open_file(ctx, ngx_file_uniq(&p->cache->ctx.file.info)); |
176
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348 |
193
dd66383796a5
nginx-0.0.1-2003-11-20-20:36:43 import
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190
diff
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|
349 if (rc == NGX_DECLINED || rc == NGX_HTTP_CACHE_THE_SAME) { |
176
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350 p->try_busy_lock = 1; |
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351 p->busy_lock.time = 0; |
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352 ngx_http_proxy_cache_busy_lock(p); |
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353 return; |
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354 } |
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355 |
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356 ngx_log_debug(p->request->connection->log, "OLD: %d, NEW: %d" _ |
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357 p->cache->ctx.file.fd _ ctx->file.fd); |
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diff
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358 |
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359 if (p->cache->ctx.file.fd != NGX_INVALID_FILE) { |
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360 if (ngx_close_file(p->cache->ctx.file.fd) == NGX_FILE_ERROR) { |
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361 ngx_log_error(NGX_LOG_ALERT, p->request->connection->log, ngx_errno, |
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362 ngx_close_file_n " \"%s\" failed", |
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|
363 p->cache->ctx.file.name.data); |
175
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nginx-0.0.1-2003-11-05-20:03:41 import
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diff
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364 } |
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365 } |
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|
366 |
176
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367 p->cache->ctx = *ctx; |
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368 |
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369 p->status = 0; |
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370 p->status_count = 0; |
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diff
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|
371 |
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372 ngx_http_proxy_finalize_request(p, |
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373 ngx_http_proxy_process_cached_response(p, rc)); |
175
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174
diff
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|
374 } |
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174
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|
375 |
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|
376 |
170
c42be4185301
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|
377 int ngx_http_proxy_send_cached_response(ngx_http_proxy_ctx_t *p) |
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378 { |
174
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|
379 int rc, len, i; |
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380 off_t rest; |
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381 ngx_hunk_t *h0, *h1; |
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382 ngx_chain_t out[2]; |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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|
383 ngx_http_request_t *r; |
c42be4185301
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|
384 |
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|
385 r = p->request; |
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|
386 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
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170
diff
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|
387 r->headers_out.status = p->cache->status; |
170
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|
388 |
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|
389 #if 0 |
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|
390 r->headers_out.content_length_n = -1; |
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|
391 r->headers_out.content_length = NULL; |
c42be4185301
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|
392 #endif |
c42be4185301
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changeset
|
393 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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|
394 /* copy an cached header to r->headers_out */ |
c42be4185301
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changeset
|
395 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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diff
changeset
|
396 if (ngx_http_proxy_copy_header(p, &p->cache->headers_in) == NGX_ERROR) { |
c42be4185301
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|
397 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
c42be4185301
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|
398 } |
c42be4185301
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diff
changeset
|
399 |
c42be4185301
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diff
changeset
|
400 /* we need to allocate all before the header would be sent */ |
c42be4185301
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|
401 |
174
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|
402 len = p->header_in->end - (p->header_in->start + p->cache->ctx.file_start); |
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|
403 |
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|
404 h0 = NULL; |
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405 h1 = NULL; |
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|
406 |
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|
407 if (len) { |
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|
408 if (!((h0 = ngx_calloc_hunk(r->pool)))) { |
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409 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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|
410 } |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
411 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
412 if (!((h0->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t))))) { |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
413 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
414 } |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
415 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
416 |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
417 if (len < p->cache->ctx.length) { |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
418 if (!((h1 = ngx_calloc_hunk(r->pool)))) { |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
419 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
420 } |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
421 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
422 if (!((h1->file = ngx_pcalloc(r->pool, sizeof(ngx_file_t))))) { |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
423 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
424 } |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
425 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
426 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
427 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
|
428 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
429 /* NEEDED ??? */ p->header_sent = 1; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
430 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
431 if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
432 return rc; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
433 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
434 |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
435 rest = p->cache->ctx.length; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
436 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
437 if (len) { |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
438 if (p->valid_header_in) { |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
439 h0->pos = p->header_in->start + p->cache->ctx.file_start; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
440 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
441 if (len > p->cache->ctx.length) { |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
442 h0->last = h0->pos + p->cache->ctx.length; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
443 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
444 } else { |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
445 h0->last = p->header_in->end; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
446 } |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
447 |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
448 h0->type = NGX_HUNK_IN_MEMORY|NGX_HUNK_TEMP; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
449 } |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
450 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
451 h0->type |= NGX_HUNK_FILE; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
452 h0->file_pos = p->cache->ctx.file_start; |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
453 |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
454 h0->file->fd = p->cache->ctx.file.fd; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
455 h0->file->log = r->connection->log; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
456 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
457 if (len > p->cache->ctx.length) { |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
458 h0->file_last = h0->file_pos + p->cache->ctx.length; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
459 rest = 0; |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
460 |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
461 } else { |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
462 h0->file_last = h0->file_pos + len; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
463 rest -= len; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
464 } |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
465 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
466 out[0].hunk = h0; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
467 out[0].next = &out[1]; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
468 i = 0; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
469 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
470 } else { |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
471 i = -1; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
472 } |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
473 |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
474 if (rest) { |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
475 h1->file_pos = p->cache->ctx.file_start + len; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
476 h1->file_last = h1->file_pos + rest; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
477 h1->type = NGX_HUNK_FILE; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
478 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
479 h1->file->fd = p->cache->ctx.file.fd; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
480 h1->file->log = r->connection->log; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
481 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
482 out[++i].hunk = h1; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
483 } |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
484 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
485 out[i].next = NULL; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
486 if (!r->main) { |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
487 out[i].hunk->type |= NGX_HUNK_LAST; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
488 } |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
489 |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
490 return ngx_http_output_filter(r, out); |
170
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
491 } |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
492 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
493 |
172
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
494 int ngx_http_proxy_is_cachable(ngx_http_proxy_ctx_t *p) |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
495 { |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
496 time_t date, last_modified, expires, t; |
172
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
497 ngx_http_proxy_headers_in_t *h; |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
498 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
499 switch (p->upstream->status) { |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
500 case NGX_HTTP_OK: |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
501 case NGX_HTTP_MOVED_PERMANENTLY: |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
502 case NGX_HTTP_MOVED_TEMPORARILY: |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
503 break; |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
504 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
505 #if 0 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
506 case NGX_HTTP_NOT_MODIFIED: |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
507 return 1; |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
508 #endif |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
509 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
510 default: |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
511 return 0; |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
512 } |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
513 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
514 h = &p->upstream->headers_in; |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
515 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
516 date = NGX_ERROR; |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
517 if (h->date) { |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
518 date = ngx_http_parse_time(h->date->value.data, h->date->value.len); |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
519 } |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
520 if (date == NGX_ERROR) { |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
521 date = ngx_time(); |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
522 } |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
523 p->cache->ctx.date = date; |
172
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
524 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
525 last_modified = NGX_ERROR; |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
526 if (h->last_modified) { |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
527 last_modified = ngx_http_parse_time(h->last_modified->value.data, |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
528 h->last_modified->value.len); |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
529 p->cache->ctx.last_modified = last_modified; |
172
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
530 } |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
531 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
532 if (h->x_accel_expires) { |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
533 expires = ngx_atoi(h->x_accel_expires->value.data, |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
534 h->x_accel_expires->value.len); |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
535 if (expires != NGX_ERROR) { |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
536 p->state->reason = NGX_HTTP_PROXY_CACHE_XAE; |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
537 p->state->expires = expires; |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
538 p->cache->ctx.expires = date + expires; |
172
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
539 return (expires > 0); |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
540 } |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
541 } |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
542 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
543 if (!p->lcf->ignore_expires) { |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
544 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
545 /* TODO: Cache-Control: no-cache, max-age= */ |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
546 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
547 if (h->expires) { |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
548 expires = ngx_http_parse_time(h->expires->value.data, |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
549 h->expires->value.len); |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
550 if (expires != NGX_ERROR) { |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
551 p->state->reason = NGX_HTTP_PROXY_CACHE_EXP; |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
552 p->state->expires = expires - date; |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
553 p->cache->ctx.expires = expires; |
172
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
554 return (date < expires); |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
555 } |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
556 } |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
557 } |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
558 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
559 if (p->upstream->status == NGX_HTTP_MOVED_PERMANENTLY) { |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
560 p->state->reason = NGX_HTTP_PROXY_CACHE_MVD; |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
561 p->state->expires = /* STUB: 1 hour */ 60 * 60; |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
562 p->cache->ctx.expires = /* STUB: 1 hour */ 60 * 60; |
172
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
563 return 1; |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
564 } |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
565 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
566 if (p->upstream->status == NGX_HTTP_MOVED_TEMPORARILY) { |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
567 return 1; |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
568 } |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
569 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
570 if (last_modified != NGX_ERROR && p->lcf->lm_factor > 0) { |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
571 |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
572 /* FIXME: time_t == int_64_t, we can use fpu */ |
172
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
573 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
574 p->state->reason = NGX_HTTP_PROXY_CACHE_LMF; |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
575 t = (time_t) |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
576 ((((int64_t) (date - last_modified)) * p->lcf->lm_factor) / 100); |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
577 p->state->expires = t; |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
578 p->cache->ctx.expires = ngx_time() + t; |
172
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
579 return 1; |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
580 } |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
581 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
582 if (p->lcf->default_expires > 0) { |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
583 p->state->reason = NGX_HTTP_PROXY_CACHE_PDE; |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
584 p->state->expires = p->lcf->default_expires; |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
585 p->cache->ctx.expires = ngx_time() + p->lcf->default_expires; |
172
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
586 return 1; |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
587 } |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
588 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
589 return 0; |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
590 } |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
591 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
592 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
593 int ngx_http_proxy_update_cache(ngx_http_proxy_ctx_t *p) |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
594 { |
175
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
595 ngx_event_pipe_t *ep; |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
596 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
597 if (p->cache == NULL) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
598 return NGX_OK; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
599 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
600 |
175
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
601 ep = p->upstream->event_pipe; |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
602 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
603 ngx_log_debug(p->request->connection->log, "LEN: " OFF_FMT ", " OFF_FMT _ |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
604 p->cache->ctx.length _ ep->read_length); |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
605 |
175
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
606 if (p->cache->ctx.length == -1) { |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
607 /* TODO: test rc */ |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
608 ngx_write_file(&ep->temp_file->file, |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
609 (char *) &ep->read_length, sizeof(off_t), |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
610 offsetof(ngx_http_cache_header_t, length)); |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
611 } |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
612 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
613 return ngx_http_cache_update_file(p->request, &p->cache->ctx, |
175
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
614 &ep->temp_file->file.name); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
615 } |