nginx: src/http/modules/proxy/ngx_http_proxy

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

nginx-0.1.1-RELEASE import *) Feature: the gzip_types directive. *) Feature: the tcp_nodelay directive. *) Feature: the send_lowat directive is working not only on OSes that support kqueue NOTE_LOWAT, but also on OSes that support SO_SNDLOWAT. *) Feature: the setproctitle() emulation for Linux and Solaris. *) Bugfix: the "Location" header rewrite bug fixed while the proxying. *) Bugfix: the ngx_http_chunked_module module may get caught in an endless loop. *) Bugfix: the /dev/poll module bugs fixed. *) Bugfix: the responses were corrupted when the temporary files were used while the proxying. *) Bugfix: the unescaped requests were passed to the backend. *) Bugfix: while the build configuration on Linux 2.4 the --with-poll_module parameter was required.

author	Igor Sysoev <igor@sysoev.ru>
date	Mon, 11 Oct 2004 15:07:03 +0000
parents	42d11f017717
children	295d97d70c69

rev	line source
441 da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	1
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	2 /*
444 42d11f017717 nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright Igor Sysoev <igor@sysoev.ru> parents: 441 diff changeset	3 * Copyright (C) Igor Sysoev
441 da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	4 */
da8c5707af39 nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files Igor Sysoev <igor@sysoev.ru> parents: 416 diff changeset	5
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	6
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	7 #include <ngx_config.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	8 #include <ngx_core.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	9 #include <ngx_event.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	10 #include <ngx_event_connect.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	11 #include <ngx_event_pipe.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	12 #include <ngx_http.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	13 #include <ngx_http_proxy_handler.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	14
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	15
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	16 static ngx_chain_t ngx_http_proxy_create_request(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	17 static void ngx_http_proxy_init_upstream(void *data);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	18 static void ngx_http_proxy_reinit_upstream(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	19 static void ngx_http_proxy_connect(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	20 static void ngx_http_proxy_send_request(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	21 static void ngx_http_proxy_send_request_handler(ngx_event_t *wev);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	22 static void ngx_http_proxy_dummy_handler(ngx_event_t *wev);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	23 static void ngx_http_proxy_process_upstream_status_line(ngx_event_t *rev);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	24 static void ngx_http_proxy_process_upstream_headers(ngx_event_t *rev);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	25 static ssize_t ngx_http_proxy_read_upstream_header(ngx_http_proxy_ctx_t *);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	26 static void ngx_http_proxy_send_response(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	27 static void ngx_http_proxy_process_body(ngx_event_t *ev);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	28 static void ngx_http_proxy_next_upstream(ngx_http_proxy_ctx_t *p, int ft_type);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	29
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	30
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	31 static ngx_str_t http_methods[] = {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	32 ngx_string("GET "),
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	33 ngx_string("HEAD "),
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	34 ngx_string("POST ")
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	35 };
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	36
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	37
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	38 static char *upstream_header_errors[] = {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	39 "upstream sent invalid header",
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	40 "upstream sent too long header line"
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	41 };
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	42
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	43
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	44 static char http_version[] = " HTTP/1.0" CRLF;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	45 static char host_header[] = "Host: ";
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	46 static char x_real_ip_header[] = "X-Real-IP: ";
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	47 static char x_forwarded_for_header[] = "X-Forwarded-For: ";
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	48 static char connection_close_header[] = "Connection: close" CRLF;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	49
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	50
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	51 int ngx_http_proxy_request_upstream(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	52 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	53 int rc;
297 ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	54 ngx_temp_file_t *tf;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	55 ngx_http_request_t *r;
297 ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	56 ngx_http_request_body_t *rb;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	57 ngx_http_proxy_upstream_t *u;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	58
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	59 r = p->request;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	60
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	61 if (!(u = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_upstream_t)))) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	62 return NGX_HTTP_INTERNAL_SERVER_ERROR;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	63 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	64
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	65 p->upstream = u;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	66
288 f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	67 u->peer.log_error = NGX_ERROR_ERR;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	68 u->peer.peers = p->lcf->peers;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	69 u->peer.tries = p->lcf->peers->number;
377 41437e4fd9b4 nginx-0.0.7-2004-07-05-19:08:23 import Igor Sysoev <igor@sysoev.ru> parents: 375 diff changeset	70 #if (NGX_THREADS)
41437e4fd9b4 nginx-0.0.7-2004-07-05-19:08:23 import Igor Sysoev <igor@sysoev.ru> parents: 375 diff changeset	71 u->peer.lock = &r->connection->lock;
41437e4fd9b4 nginx-0.0.7-2004-07-05-19:08:23 import Igor Sysoev <igor@sysoev.ru> parents: 375 diff changeset	72 #endif
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	73
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	74 u->method = r->method;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	75
297 ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	76 if (!(rb = ngx_pcalloc(r->pool, sizeof(ngx_http_request_body_t)))) {
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	77 return NGX_HTTP_INTERNAL_SERVER_ERROR;
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	78 }
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	79 r->request_body = rb;
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	80
298 4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	81 if (r->headers_in.content_length_n <= 0) {
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	82 ngx_http_proxy_init_upstream(p);
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	83 return NGX_DONE;
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	84 }
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	85
298 4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	86 if (!(tf = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)))) {
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	87 return NGX_HTTP_INTERNAL_SERVER_ERROR;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	88 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	89
298 4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	90 tf->file.fd = NGX_INVALID_FILE;
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	91 tf->file.log = r->connection->log;
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	92 tf->path = p->lcf->temp_path;
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	93 tf->pool = r->pool;
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	94 tf->warn = "a client request body is buffered to a temporary file";
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	95 /* tf->persistent = 0; */
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	96
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	97 rb->handler = ngx_http_proxy_init_upstream;
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	98 rb->data = p;
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	99 /* rb->bufs = NULL; */
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	100 /* rb->buf = NULL; */
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	101 /* rb->rest = 0; */
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	102
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	103 rb->temp_file = tf;
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	104
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	105 rc = ngx_http_read_client_request_body(r);
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	106
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	107 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) {
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	108 return rc;
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	109 }
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	110
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	111 return NGX_DONE;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	112 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	113
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	114
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	115 static ngx_chain_t ngx_http_proxy_create_request(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	116 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	117 size_t len;
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	118 ngx_int_t escape;
290 87e73f067470 nginx-0.0.2-2004-03-16-10:10:12 import Igor Sysoev <igor@sysoev.ru> parents: 288 diff changeset	119 ngx_uint_t i;
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	120 ngx_buf_t *b;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	121 ngx_chain_t *chain;
415 3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	122 ngx_list_part_t *part;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	123 ngx_table_elt_t *header;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	124 ngx_http_request_t *r;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	125 ngx_http_proxy_upstream_conf_t *uc;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	126
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	127 r = p->request;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	128 uc = p->lcf->upstream;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	129
314 d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 313 diff changeset	130 if (p->upstream->method) {
d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 313 diff changeset	131 len = http_methods[p->upstream->method - 1].len;
d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 313 diff changeset	132
d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 313 diff changeset	133 } else {
d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 313 diff changeset	134 len = r->method_name.len;
d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 313 diff changeset	135 }
d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 313 diff changeset	136
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	137 if (r->quoted_uri) {
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	138 escape = 2 * ngx_escape_uri(NULL, r->uri.data + uc->location->len,
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	139 r->uri.len - uc->location->len);
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	140 } else {
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	141 escape = 0;
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	142 }
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	143
314 d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 313 diff changeset	144 len += uc->uri.len
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	145 + r->uri.len - uc->location->len + escape
314 d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 313 diff changeset	146 + 1 + r->args.len /* 1 is for "?" */
d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 313 diff changeset	147 + sizeof(http_version) - 1
d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 313 diff changeset	148 + sizeof(connection_close_header) - 1
d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 313 diff changeset	149 + 2; /* 2 is for "\r\n" at the header end */
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	150
297 ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	151 if (p->lcf->preserve_host && r->headers_in.host) {
288 f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	152 len += sizeof(host_header) - 1
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	153 + r->headers_in.host_name_len
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	154 + 1 /* 1 is for ":" */
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	155 + uc->port_text.len
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	156 + 2; /* 2 is for "\r\n" */
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	157 } else { /* 2 is for "\r\n" */
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	158 len += sizeof(host_header) - 1 + uc->host_header.len + 2;
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	159 }
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	160
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	161
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	162 if (p->lcf->set_x_real_ip) { /* 2 is for "\r\n" */
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	163 len += sizeof(x_real_ip_header) - 1 + INET_ADDRSTRLEN - 1 + 2;
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	164 }
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	165
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	166
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	167 if (p->lcf->add_x_forwarded_for) {
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	168 if (r->headers_in.x_forwarded_for) {
288 f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	169 len += sizeof(x_forwarded_for_header) - 1
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	170 + r->headers_in.x_forwarded_for->value.len
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	171 + 2 /* 2 is ofr ", " */
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	172 + INET_ADDRSTRLEN - 1
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	173 + 2; /* 2 is for "\r\n" */
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	174 } else {
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	175 len += sizeof(x_forwarded_for_header) - 1 + INET_ADDRSTRLEN - 1 + 2;
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	176 /* 2 is for "\r\n" */
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	177 }
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	178 }
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	179
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	180
415 3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	181 part = &r->headers_in.headers.part;
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	182 header = part->elts;
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	183
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	184 for (i = 0; /* void */; i++) {
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	185
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	186 if (i >= part->nelts) {
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	187 if (part->next == NULL) {
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	188 break;
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	189 }
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	190
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	191 part = part->next;
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	192 header = part->elts;
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	193 i = 0;
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	194 }
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	195
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	196 if (&header[i] == r->headers_in.host) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	197 continue;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	198 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	199
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	200 if (&header[i] == r->headers_in.connection) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	201 continue;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	202 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	203
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	204 /* 2 is for ": " and 2 is for "\r\n" */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	205 len += header[i].key.len + 2 + header[i].value.len + 2;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	206 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	207
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	208 #if (NGX_DEBUG)
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	209 len++;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	210 #endif
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	211
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	212 ngx_test_null(b, ngx_create_temp_buf(r->pool, len), NULL);
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	213 ngx_alloc_link_and_set_buf(chain, b, r->pool, NULL);
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	214
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	215
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	216 /* the request line */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	217
314 d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 313 diff changeset	218 if (p->upstream->method) {
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	219 b->last = ngx_cpymem(b->last,
314 d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 313 diff changeset	220 http_methods[p->upstream->method - 1].data,
d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 313 diff changeset	221 http_methods[p->upstream->method - 1].len);
d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 313 diff changeset	222 } else {
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	223 b->last = ngx_cpymem(b->last, r->method_name.data, r->method_name.len);
314 d71c87d11b16 nginx-0.0.3-2004-04-14-09:57:36 import Igor Sysoev <igor@sysoev.ru> parents: 313 diff changeset	224 }
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	225
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	226 b->last = ngx_cpymem(b->last, uc->uri.data, uc->uri.len);
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	227
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	228 if (escape) {
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	229 ngx_escape_uri(b->last, r->uri.data + uc->location->len,
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	230 r->uri.len - uc->location->len);
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	231 b->last += r->uri.len - uc->location->len + escape;
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	232
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	233 } else {
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	234 b->last = ngx_cpymem(b->last,
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	235 r->uri.data + uc->location->len,
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	236 r->uri.len - uc->location->len);
23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	237 }
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	238
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	239 if (r->args.len > 0) {
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	240 *(b->last++) = '?';
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	241 b->last = ngx_cpymem(b->last, r->args.data, r->args.len);
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	242 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	243
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	244 b->last = ngx_cpymem(b->last, http_version, sizeof(http_version) - 1);
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	245
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	246
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	247 /* the "Connection: close" header */
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	248
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	249 b->last = ngx_cpymem(b->last, connection_close_header,
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	250 sizeof(connection_close_header) - 1);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	251
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	252
288 f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	253 /* the "Host" header */
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	254
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	255 b->last = ngx_cpymem(b->last, host_header, sizeof(host_header) - 1);
288 f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	256
294 5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import Igor Sysoev <igor@sysoev.ru> parents: 293 diff changeset	257 if (p->lcf->preserve_host && r->headers_in.host) {
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	258 b->last = ngx_cpymem(b->last, r->headers_in.host->value.data,
288 f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	259 r->headers_in.host_name_len);
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	260
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	261 if (!uc->default_port) {
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	262 *(b->last++) = ':';
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	263 b->last = ngx_cpymem(b->last, uc->port_text.data,
288 f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	264 uc->port_text.len);
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	265 }
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	266
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	267 } else {
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	268 b->last = ngx_cpymem(b->last, uc->host_header.data,
288 f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	269 uc->host_header.len);
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	270 }
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	271 (b->last++) = CR; (b->last++) = LF;
288 f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	272
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	273
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	274 /* the "X-Real-IP" header */
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	275
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	276 if (p->lcf->set_x_real_ip) {
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	277 b->last = ngx_cpymem(b->last, x_real_ip_header,
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	278 sizeof(x_real_ip_header) - 1);
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	279 b->last = ngx_cpymem(b->last, r->connection->addr_text.data,
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	280 r->connection->addr_text.len);
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	281 (b->last++) = CR; (b->last++) = LF;
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	282 }
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	283
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	284
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	285 /* the "X-Forwarded-For" header */
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	286
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	287 if (p->lcf->add_x_forwarded_for) {
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	288 if (r->headers_in.x_forwarded_for) {
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	289 b->last = ngx_cpymem(b->last, x_forwarded_for_header,
288 f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	290 sizeof(x_forwarded_for_header) - 1);
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	291
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	292 b->last = ngx_cpymem(b->last,
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	293 r->headers_in.x_forwarded_for->value.data,
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	294 r->headers_in.x_forwarded_for->value.len);
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	295
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	296 (b->last++) = ','; (b->last++) = ' ';
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	297
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	298 } else {
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	299 b->last = ngx_cpymem(b->last, x_forwarded_for_header,
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	300 sizeof(x_forwarded_for_header) - 1);
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	301 }
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	302
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	303 b->last = ngx_cpymem(b->last, r->connection->addr_text.data,
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	304 r->connection->addr_text.len);
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	305 (b->last++) = CR; (b->last++) = LF;
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	306 }
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	307
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	308
415 3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	309 part = &r->headers_in.headers.part;
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	310 header = part->elts;
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	311
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	312 for (i = 0; /* void */; i++) {
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	313
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	314 if (i >= part->nelts) {
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	315 if (part->next == NULL) {
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	316 break;
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	317 }
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	318
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	319 part = part->next;
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	320 header = part->elts;
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	321 i = 0;
3c56e834be46 nginx-0.0.10-2004-09-05-23:54:02 import Igor Sysoev <igor@sysoev.ru> parents: 412 diff changeset	322 }
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	323
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	324 if (&header[i] == r->headers_in.host) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	325 continue;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	326 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	327
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	328 if (&header[i] == r->headers_in.connection) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	329 continue;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	330 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	331
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	332 if (&header[i] == r->headers_in.keep_alive) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	333 continue;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	334 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	335
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	336 if (&header[i] == r->headers_in.x_forwarded_for
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	337 && p->lcf->add_x_forwarded_for)
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	338 {
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	339 continue;
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	340 }
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	341
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	342 b->last = ngx_cpymem(b->last, header[i].key.data, header[i].key.len);
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	343
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	344 (b->last++) = ':'; (b->last++) = ' ';
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	345
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	346 b->last = ngx_cpymem(b->last, header[i].value.data,
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	347 header[i].value.len);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	348
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	349 (b->last++) = CR; (b->last++) = LF;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	350
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	351 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	352 "http proxy header: \"%s: %s\"",
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	353 header[i].key.data, header[i].value.data);
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	354 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	355
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	356 /* add "\r\n" at the header end */
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	357 (b->last++) = CR; (b->last++) = LF;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	358
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	359 #if (NGX_DEBUG)
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	360 *(b->last) = '\0';
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	361 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	362 "http proxy header:\n\"%s\"", b->pos);
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	363 #endif
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	364
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	365 return chain;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	366 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	367
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	368
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	369 static void ngx_http_proxy_init_upstream(void *data)
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	370 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	371 ngx_http_proxy_ctx_t *p = data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	372
191 71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import Igor Sysoev <igor@sysoev.ru> parents: 190 diff changeset	373 ngx_chain_t *cl;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import Igor Sysoev <igor@sysoev.ru> parents: 190 diff changeset	374 ngx_http_request_t *r;
291 117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import Igor Sysoev <igor@sysoev.ru> parents: 290 diff changeset	375 ngx_output_chain_ctx_t *output;
117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import Igor Sysoev <igor@sysoev.ru> parents: 290 diff changeset	376 ngx_chain_writer_ctx_t *writer;
292 a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import Igor Sysoev <igor@sysoev.ru> parents: 291 diff changeset	377 ngx_http_proxy_log_ctx_t *ctx;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	378
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	379 r = p->request;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	380
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	381 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
298 4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	382 "http proxy init upstream, client timer: %d",
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	383 r->connection->read->timer_set);
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	384
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	385 if (r->connection->read->timer_set) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	386 ngx_del_timer(r->connection->read);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	387 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	388
298 4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	389 r->connection->read->event_handler = ngx_http_proxy_check_broken_connection;
4a3f18406832 nginx-0.0.3-2004-03-30-10:27:36 import Igor Sysoev <igor@sysoev.ru> parents: 297 diff changeset	390
315 39b6f2df45c0 nginx-0.0.3-2004-04-14-21:44:28 import Igor Sysoev <igor@sysoev.ru> parents: 314 diff changeset	391 if (ngx_event_flags & NGX_USE_CLEAR_EVENT) {
188 0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import Igor Sysoev <igor@sysoev.ru> parents: 187 diff changeset	392
0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import Igor Sysoev <igor@sysoev.ru> parents: 187 diff changeset	393 r->connection->write->event_handler =
0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import Igor Sysoev <igor@sysoev.ru> parents: 187 diff changeset	394 ngx_http_proxy_check_broken_connection;
0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import Igor Sysoev <igor@sysoev.ru> parents: 187 diff changeset	395
313 98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	396 if (!r->connection->write->active) {
98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	397 if (ngx_add_event(r->connection->write, NGX_WRITE_EVENT,
188 0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import Igor Sysoev <igor@sysoev.ru> parents: 187 diff changeset	398 NGX_CLEAR_EVENT) == NGX_ERROR)
313 98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	399 {
98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	400 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	401 return;
98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	402 }
188 0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import Igor Sysoev <igor@sysoev.ru> parents: 187 diff changeset	403 }
0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import Igor Sysoev <igor@sysoev.ru> parents: 187 diff changeset	404 }
0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import Igor Sysoev <igor@sysoev.ru> parents: 187 diff changeset	405
0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import Igor Sysoev <igor@sysoev.ru> parents: 187 diff changeset	406
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	407 if (!(cl = ngx_http_proxy_create_request(p))) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	408 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	409 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	410 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	411
297 ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	412 if (r->request_body->bufs) {
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	413 cl->next = r->request_body->bufs;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	414 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	415
297 ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	416 r->request_body->bufs = cl;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	417
292 a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import Igor Sysoev <igor@sysoev.ru> parents: 291 diff changeset	418 if (!(ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_log_ctx_t)))) {
191 71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import Igor Sysoev <igor@sysoev.ru> parents: 190 diff changeset	419 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import Igor Sysoev <igor@sysoev.ru> parents: 190 diff changeset	420 return;
71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import Igor Sysoev <igor@sysoev.ru> parents: 190 diff changeset	421 }
292 a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import Igor Sysoev <igor@sysoev.ru> parents: 291 diff changeset	422 ctx->connection = r->connection->number;
a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import Igor Sysoev <igor@sysoev.ru> parents: 291 diff changeset	423 ctx->proxy = p;
191 71ce40b3c37b nginx-0.0.1-2003-11-19-19:26:41 import Igor Sysoev <igor@sysoev.ru> parents: 190 diff changeset	424
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	425 p->upstream->peer.log = r->connection->log;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	426 p->saved_ctx = r->connection->log->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	427 p->saved_handler = r->connection->log->handler;
292 a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import Igor Sysoev <igor@sysoev.ru> parents: 291 diff changeset	428 r->connection->log->data = ctx;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	429 r->connection->log->handler = ngx_http_proxy_log_error;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	430 p->action = "connecting to upstream";
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	431
291 117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import Igor Sysoev <igor@sysoev.ru> parents: 290 diff changeset	432 if (!(output = ngx_pcalloc(r->pool, sizeof(ngx_output_chain_ctx_t)))) {
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	433 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	434 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	435 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	436
291 117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import Igor Sysoev <igor@sysoev.ru> parents: 290 diff changeset	437 p->upstream->output_chain_ctx = output;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	438
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	439 output->sendfile = r->connection->sendfile;
291 117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import Igor Sysoev <igor@sysoev.ru> parents: 290 diff changeset	440 output->pool = r->pool;
117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import Igor Sysoev <igor@sysoev.ru> parents: 290 diff changeset	441 output->bufs.num = 1;
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	442 output->tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
291 117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import Igor Sysoev <igor@sysoev.ru> parents: 290 diff changeset	443 output->output_filter = (ngx_output_chain_filter_pt) ngx_chain_writer;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	444
291 117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import Igor Sysoev <igor@sysoev.ru> parents: 290 diff changeset	445 if (!(writer = ngx_palloc(r->pool, sizeof(ngx_chain_writer_ctx_t)))) {
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	446 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	447 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	448 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	449
294 5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import Igor Sysoev <igor@sysoev.ru> parents: 293 diff changeset	450 output->filter_ctx = writer;
291 117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import Igor Sysoev <igor@sysoev.ru> parents: 290 diff changeset	451 writer->pool = r->pool;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	452
297 ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	453 #if 0
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	454 if (p->lcf->busy_lock && p->busy_lock == NULL) {
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	455 #else
176 c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	456 if (p->lcf->busy_lock && !p->busy_locked) {
297 ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	457 #endif
175 e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	458 ngx_http_proxy_upstream_busy_lock(p);
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	459 } else {
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	460 ngx_http_proxy_connect(p);
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	461 }
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	462 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	463
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	464
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	465 static void ngx_http_proxy_reinit_upstream(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	466 {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	467 ngx_chain_t *cl;
291 117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import Igor Sysoev <igor@sysoev.ru> parents: 290 diff changeset	468 ngx_output_chain_ctx_t *output;
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	469
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	470 /* reinit the request chain */
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	471
297 ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	472 for (cl = p->request->request_body->bufs; cl; cl = cl->next) {
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	473 cl->buf->pos = cl->buf->start;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	474 cl->buf->file_pos = 0;
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	475 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	476
292 a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import Igor Sysoev <igor@sysoev.ru> parents: 291 diff changeset	477 /* reinit the ngx_output_chain() context */
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	478
297 ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	479 output = p->upstream->output_chain_ctx;
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	480
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	481 output->buf = NULL;
291 117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import Igor Sysoev <igor@sysoev.ru> parents: 290 diff changeset	482 output->in = NULL;
117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import Igor Sysoev <igor@sysoev.ru> parents: 290 diff changeset	483 output->free = NULL;
117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import Igor Sysoev <igor@sysoev.ru> parents: 290 diff changeset	484 output->busy = NULL;
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	485
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	486 /* reinit r->header_in buffer */
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	487
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	488 if (p->header_in) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	489 if (p->cache) {
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	490 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	491 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	492
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	493 } else {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	494 p->header_in->pos = p->header_in->start;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	495 p->header_in->last = p->header_in->start;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	496 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	497 }
174 ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import Igor Sysoev <igor@sysoev.ru> parents: 172 diff changeset	498
177 4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 176 diff changeset	499 /* add one more state */
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 176 diff changeset	500
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 176 diff changeset	501 if (!(p->state = ngx_push_array(&p->states))) {
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 176 diff changeset	502 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 176 diff changeset	503 return;
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 176 diff changeset	504 }
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 176 diff changeset	505
174 ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import Igor Sysoev <igor@sysoev.ru> parents: 172 diff changeset	506 p->status = 0;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import Igor Sysoev <igor@sysoev.ru> parents: 172 diff changeset	507 p->status_count = 0;
170 c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import Igor Sysoev <igor@sysoev.ru> parents: diff changeset	508 }
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	509
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	510
297 ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	511 #if 0
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	512
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	513 void ngx_http_proxy_upstream_busy_lock(ngx_http_proxy_ctx_t *p)
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	514 {
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	515 ngx_int_t rc;
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	516
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	517 rc = ngx_event_busy_lock(p->lcf->busy_lock, p->busy_lock);
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	518
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	519 if (rc == NGX_AGAIN) {
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	520 return;
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	521 }
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	522
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	523 if (rc == NGX_OK) {
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	524 ngx_http_proxy_connect(p);
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	525 return;
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	526 }
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	527
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	528 if (rc == NGX_ERROR) {
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	529 p->state->status = NGX_HTTP_INTERNAL_SERVER_ERROR;
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	530 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	531 return;
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	532 }
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	533
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	534 /* rc == NGX_BUSY */
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	535
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	536 #if (NGX_HTTP_CACHE)
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	537
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	538 if (p->busy_lock->timer) {
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	539 ft_type = NGX_HTTP_PROXY_FT_MAX_WAITING;
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	540 } else {
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	541 ft_type = NGX_HTTP_PROXY_FT_BUSY_LOCK;
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	542 }
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	543
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	544 if (p->stale && (p->lcf->use_stale & ft_type)) {
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	545 ngx_http_proxy_finalize_request(p,
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	546 ngx_http_proxy_send_cached_response(p));
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	547 return;
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	548 }
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	549
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	550 #endif
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	551
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	552 p->state->status = NGX_HTTP_SERVICE_UNAVAILABLE;
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	553 ngx_http_proxy_finalize_request(p, NGX_HTTP_SERVICE_UNAVAILABLE);
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	554 }
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	555
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	556 #endif
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	557
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	558
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	559 #if 1
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	560
176 c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	561 void ngx_http_proxy_upstream_busy_lock(ngx_http_proxy_ctx_t *p)
175 e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	562 {
288 f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	563 ngx_int_t rc;
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	564 #if (NGX_HTTP_CACHE)
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	565 ngx_int_t ft_type;
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	566 #endif
175 e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	567
176 c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	568 if (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 changeset	569 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 changeset	570 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 changeset	571 }
175 e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	572
176 c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	573 rc = ngx_http_busy_lock(p->lcf->busy_lock, &p->busy_lock);
175 e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	574
176 c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	575 if (rc == NGX_AGAIN) {
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	576 return;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	577 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	578
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	579 if (rc == NGX_OK) {
175 e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	580 ngx_http_proxy_connect(p);
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	581 return;
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	582 }
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	583
178 a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	584 ngx_http_busy_unlock(p->lcf->busy_lock, &p->busy_lock);
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	585
288 f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	586 #if (NGX_HTTP_CACHE)
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	587
176 c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	588 if (rc == NGX_DONE) {
175 e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	589 ft_type = NGX_HTTP_PROXY_FT_BUSY_LOCK;
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	590
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	591 } else {
176 c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	592 /* rc == NGX_ERROR */
175 e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	593 ft_type = NGX_HTTP_PROXY_FT_MAX_WAITING;
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	594 }
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	595
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	596 if (p->stale && (p->lcf->use_stale & ft_type)) {
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	597 ngx_http_proxy_finalize_request(p,
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	598 ngx_http_proxy_send_cached_response(p));
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	599 return;
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	600 }
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	601
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	602 #endif
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	603
177 4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 176 diff changeset	604 p->state->status = NGX_HTTP_SERVICE_UNAVAILABLE;
175 e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	605 ngx_http_proxy_finalize_request(p, NGX_HTTP_SERVICE_UNAVAILABLE);
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	606 }
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	607
297 ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	608 #endif
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	609
175 e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	610
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	611 static void ngx_http_proxy_connect(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	612 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	613 int rc;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	614 ngx_connection_t *c;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	615 ngx_http_request_t *r;
291 117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import Igor Sysoev <igor@sysoev.ru> parents: 290 diff changeset	616 ngx_output_chain_ctx_t *output;
292 a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import Igor Sysoev <igor@sysoev.ru> parents: 291 diff changeset	617 ngx_chain_writer_ctx_t *writer;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	618
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	619 p->action = "connecting to upstream";
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	620
380 5ce6561246a5 nginx-0.0.7-2004-07-07-10:15:04 import Igor Sysoev <igor@sysoev.ru> parents: 377 diff changeset	621 p->request->connection->single_connection = 0;
5ce6561246a5 nginx-0.0.7-2004-07-07-10:15:04 import Igor Sysoev <igor@sysoev.ru> parents: 377 diff changeset	622
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	623 rc = ngx_event_connect_peer(&p->upstream->peer);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	624
313 98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	625 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, p->request->connection->log, 0,
98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	626 "http proxy connect: %d", rc);
98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	627
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	628 if (rc == NGX_ERROR) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	629 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	630 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	631 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	632
172 caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import Igor Sysoev <igor@sysoev.ru> parents: 171 diff changeset	633 p->state->peer =
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import Igor Sysoev <igor@sysoev.ru> parents: 171 diff changeset	634 &p->upstream->peer.peers->peers[p->upstream->peer.cur_peer].addr_port_text;
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import Igor Sysoev <igor@sysoev.ru> parents: 171 diff changeset	635
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	636 if (rc == NGX_CONNECT_ERROR) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	637 ngx_http_proxy_next_upstream(p, NGX_HTTP_PROXY_FT_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	638 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	639 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	640
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	641 r = p->request;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	642 c = p->upstream->peer.connection;
313 98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	643
98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	644 c->data = p;
98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	645 c->write->event_handler = ngx_http_proxy_send_request_handler;
98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	646 c->read->event_handler = ngx_http_proxy_process_upstream_status_line;
98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	647
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	648 c->pool = r->pool;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	649 c->read->log = c->write->log = c->log = r->connection->log;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	650
292 a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import Igor Sysoev <igor@sysoev.ru> parents: 291 diff changeset	651 /* init or reinit the ngx_output_chain() and ngx_chain_writer() contexts */
a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import Igor Sysoev <igor@sysoev.ru> parents: 291 diff changeset	652
291 117ccc7c4055 nginx-0.0.3-2004-03-16-16:35:20 import Igor Sysoev <igor@sysoev.ru> parents: 290 diff changeset	653 output = p->upstream->output_chain_ctx;
294 5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import Igor Sysoev <igor@sysoev.ru> parents: 293 diff changeset	654 writer = output->filter_ctx;
292 a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import Igor Sysoev <igor@sysoev.ru> parents: 291 diff changeset	655 writer->out = NULL;
a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import Igor Sysoev <igor@sysoev.ru> parents: 291 diff changeset	656 writer->last = &writer->out;
a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import Igor Sysoev <igor@sysoev.ru> parents: 291 diff changeset	657 writer->connection = c;
362 7650aea1816f nginx-0.0.7-2004-06-21-19:59:32 import Igor Sysoev <igor@sysoev.ru> parents: 344 diff changeset	658 writer->limit = OFF_T_MAX_VALUE;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	659
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	660 if (p->upstream->peer.tries > 1 && p->request_sent) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	661 ngx_http_proxy_reinit_upstream(p);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	662 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	663
297 ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	664 if (r->request_body->buf) {
412 199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	665 if (r->request_body->temp_file->file.fd != NGX_INVALID_FILE) {
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	666
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	667 if (!(output->free = ngx_alloc_chain_link(r->pool))) {
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	668 ngx_http_proxy_finalize_request(p,
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	669 NGX_HTTP_INTERNAL_SERVER_ERROR);
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	670 return;
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	671 }
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	672
412 199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	673 output->free->buf = r->request_body->buf;
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	674 output->free->next = NULL;
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	675 output->allocated = 1;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	676
412 199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	677 r->request_body->buf->pos = r->request_body->buf->start;
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	678 r->request_body->buf->last = r->request_body->buf->start;
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	679 r->request_body->buf->tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	680
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	681 } else {
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	682 r->request_body->buf->pos = r->request_body->buf->start;
199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	683 }
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	684 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	685
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	686 p->request_sent = 0;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	687
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	688 if (rc == NGX_AGAIN) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	689 ngx_add_timer(c->write, p->lcf->connect_timeout);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	690 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	691 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	692
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	693 /* rc == NGX_OK */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	694
188 0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import Igor Sysoev <igor@sysoev.ru> parents: 187 diff changeset	695 #if 1 /* test only, see below about "post aio operation" */
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	696
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	697 if (c->read->ready) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	698 /* post aio operation */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	699 ngx_http_proxy_process_upstream_status_line(c->read);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	700 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	701 }
412 199cd29f35a3 nginx-0.0.10-2004-08-31-19:32:52 import Igor Sysoev <igor@sysoev.ru> parents: 408 diff changeset	702
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	703 #endif
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	704
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	705 ngx_http_proxy_send_request(p);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	706 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	707
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	708
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	709 static void ngx_http_proxy_send_request(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	710 {
292 a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import Igor Sysoev <igor@sysoev.ru> parents: 291 diff changeset	711 int rc;
a472bfb778b3 nginx-0.0.3-2004-03-17-00:26:01 import Igor Sysoev <igor@sysoev.ru> parents: 291 diff changeset	712 ngx_connection_t *c;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	713
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	714 c = p->upstream->peer.connection;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	715
313 98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	716 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	717 "http proxy send request");
98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	718
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	719 #if (HAVE_KQUEUE)
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	720
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	721 if ((ngx_event_flags & NGX_HAVE_KQUEUE_EVENT)
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	722 && !p->request_sent
375 744ccb59062d nginx-0.0.7-2004-07-02-19:54:34 import Igor Sysoev <igor@sysoev.ru> parents: 362 diff changeset	723 && c->write->pending_eof)
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	724 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	725 ngx_log_error(NGX_LOG_ERR, c->log, c->write->kq_errno,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	726 "connect() failed");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	727
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	728 ngx_http_proxy_next_upstream(p, NGX_HTTP_PROXY_FT_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	729 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	730 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	731
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	732 #endif
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	733
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	734 p->action = "sending request to upstream";
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	735
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	736 rc = ngx_output_chain(p->upstream->output_chain_ctx,
297 ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	737 p->request_sent ? NULL:
ee394e997c77 nginx-0.0.3-2004-03-29-21:43:58 import Igor Sysoev <igor@sysoev.ru> parents: 294 diff changeset	738 p->request->request_body->bufs);
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	739
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	740 if (rc == NGX_ERROR) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	741 ngx_http_proxy_next_upstream(p, NGX_HTTP_PROXY_FT_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	742 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	743 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	744
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	745 p->request_sent = 1;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	746
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	747 if (c->write->timer_set) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	748 ngx_del_timer(c->write);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	749 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	750
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	751 if (rc == NGX_AGAIN) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	752 ngx_add_timer(c->write, p->lcf->send_timeout);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	753
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	754 if (ngx_handle_write_event(c->write, p->lcf->send_lowat) == NGX_ERROR) {
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	755 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	756 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	757 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	758
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	759 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	760 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	761
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	762 /* rc == NGX_OK */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	763
344 e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import Igor Sysoev <igor@sysoev.ru> parents: 343 diff changeset	764 if (c->tcp_nopush == NGX_TCP_NOPUSH_SET) {
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	765 if (ngx_tcp_push(c->fd) == NGX_ERROR) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	766 ngx_log_error(NGX_LOG_CRIT, c->log,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	767 ngx_socket_errno,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	768 ngx_tcp_push_n " failed");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	769 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	770 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	771 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	772
344 e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import Igor Sysoev <igor@sysoev.ru> parents: 343 diff changeset	773 c->tcp_nopush = NGX_TCP_NOPUSH_UNSET;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	774 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	775 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	776
189 c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import Igor Sysoev <igor@sysoev.ru> parents: 188 diff changeset	777 ngx_add_timer(c->read, p->lcf->read_timeout);
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import Igor Sysoev <igor@sysoev.ru> parents: 188 diff changeset	778
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	779 #if 0
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	780 if (c->read->ready) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	781
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	782 /* post aio operation */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	783
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	784 /*
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	785 * although we can post aio operation just in the end
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	786 * of ngx_http_proxy_connect() CHECK IT !!!
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	787 * it's better to do here because we postpone header buffer allocation
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	788 */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	789
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	790 ngx_http_proxy_process_upstream_status_line(c->read);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	791 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	792 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	793 #endif
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	794
313 98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	795 c->write->event_handler = ngx_http_proxy_dummy_handler;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	796
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	797 if (ngx_handle_level_write_event(c->write) == NGX_ERROR) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	798 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	799 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	800 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	801 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	802
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	803
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	804 static void ngx_http_proxy_send_request_handler(ngx_event_t *wev)
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	805 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	806 ngx_connection_t *c;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	807 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	808
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	809 c = wev->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	810 p = c->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	811
313 98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	812 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0,
98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	813 "http proxy send request handler");
98f1a8028067 nginx-0.0.3-2004-04-13-19:08:48 import Igor Sysoev <igor@sysoev.ru> parents: 304 diff changeset	814
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	815 if (wev->timedout) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	816 p->action = "sending request to upstream";
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	817 ngx_http_proxy_next_upstream(p, NGX_HTTP_PROXY_FT_TIMEOUT);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	818 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	819 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	820
189 c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import Igor Sysoev <igor@sysoev.ru> parents: 188 diff changeset	821 if (p->request->connection->write->eof
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import Igor Sysoev <igor@sysoev.ru> parents: 188 diff changeset	822 && (!p->cachable \|\| !p->request_sent))
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import Igor Sysoev <igor@sysoev.ru> parents: 188 diff changeset	823 {
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import Igor Sysoev <igor@sysoev.ru> parents: 188 diff changeset	824 ngx_http_proxy_finalize_request(p, NGX_HTTP_CLIENT_CLOSED_REQUEST);
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import Igor Sysoev <igor@sysoev.ru> parents: 188 diff changeset	825 return;
188 0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import Igor Sysoev <igor@sysoev.ru> parents: 187 diff changeset	826 }
0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import Igor Sysoev <igor@sysoev.ru> parents: 187 diff changeset	827
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	828 ngx_http_proxy_send_request(p);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	829 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	830
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	831
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	832 static void ngx_http_proxy_dummy_handler(ngx_event_t *wev)
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	833 {
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	834 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, "http proxy dummy handler");
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	835 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	836
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	837
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	838 static void ngx_http_proxy_process_upstream_status_line(ngx_event_t *rev)
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	839 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	840 int rc;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	841 ssize_t n;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	842 ngx_connection_t *c;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	843 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	844
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	845 c = rev->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	846 p = c->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	847 p->action = "reading upstream status line";
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	848
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	849 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	850 "http proxy process status line");
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	851
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	852 if (rev->timedout) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	853 ngx_http_proxy_next_upstream(p, NGX_HTTP_PROXY_FT_TIMEOUT);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	854 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	855 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	856
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	857 if (p->header_in == NULL) {
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	858 p->header_in = ngx_create_temp_buf(p->request->pool,
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	859 p->lcf->header_buffer_size);
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	860 if (p->header_in == NULL) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	861 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	862 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	863 }
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	864 p->header_in->tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	865
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	866 if (p->cache) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	867 p->header_in->pos += p->cache->ctx.header_size;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	868 p->header_in->last = p->header_in->pos;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	869 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	870 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	871
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	872 n = ngx_http_proxy_read_upstream_header(p);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	873
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	874 if (n == NGX_AGAIN) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	875 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	876 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	877
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	878 if (n == 0) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	879 ngx_log_error(NGX_LOG_ERR, rev->log, 0,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	880 "upstream prematurely closed connection");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	881 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	882
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	883 if (n == NGX_ERROR \|\| n == 0) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	884 ngx_http_proxy_next_upstream(p, NGX_HTTP_PROXY_FT_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	885 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	886 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	887
174 ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import Igor Sysoev <igor@sysoev.ru> parents: 172 diff changeset	888 p->valid_header_in = 0;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import Igor Sysoev <igor@sysoev.ru> parents: 172 diff changeset	889
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	890 p->upstream->peer.cached = 0;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	891
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	892 rc = ngx_http_proxy_parse_status_line(p);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	893
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	894 if (rc == NGX_AGAIN) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	895 if (p->header_in->pos == p->header_in->last) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	896 ngx_log_error(NGX_LOG_ERR, rev->log, 0,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	897 "upstream sent too long status line");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	898 ngx_http_proxy_next_upstream(p, NGX_HTTP_PROXY_FT_INVALID_HEADER);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	899 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	900 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	901 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	902
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	903 if (rc == NGX_HTTP_PROXY_PARSE_NO_HEADER) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	904 ngx_log_error(NGX_LOG_ERR, rev->log, 0,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	905 "upstream sent no valid HTTP/1.0 header");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	906
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	907 if (p->accel) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	908 ngx_http_proxy_next_upstream(p, NGX_HTTP_PROXY_FT_INVALID_HEADER);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	909
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	910 } else {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	911 p->request->http_version = NGX_HTTP_VERSION_9;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	912 p->upstream->status = NGX_HTTP_OK;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	913 ngx_http_proxy_send_response(p);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	914 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	915
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	916 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	917 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	918
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	919 /* rc == NGX_OK */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	920
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	921 p->upstream->status = p->status;
177 4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import Igor Sysoev <igor@sysoev.ru> parents: 176 diff changeset	922 p->state->status = p->status;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	923
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	924 if (p->status == NGX_HTTP_INTERNAL_SERVER_ERROR) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	925
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	926 if (p->upstream->peer.tries > 1
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	927 && (p->lcf->next_upstream & NGX_HTTP_PROXY_FT_HTTP_500))
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	928 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	929 ngx_http_proxy_next_upstream(p, NGX_HTTP_PROXY_FT_HTTP_500);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	930 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	931 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	932
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	933 #if (NGX_HTTP_CACHE)
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	934
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	935 if (p->upstream->peer.tries == 0
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	936 && p->stale
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	937 && (p->lcf->use_stale & NGX_HTTP_PROXY_FT_HTTP_500))
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	938 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	939 ngx_http_proxy_finalize_request(p,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	940 ngx_http_proxy_send_cached_response(p));
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	941
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	942 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	943 }
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	944
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	945 #endif
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	946 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	947
176 c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	948 if (p->status == NGX_HTTP_NOT_FOUND
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	949 && p->upstream->peer.tries > 1
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	950 && p->lcf->next_upstream & NGX_HTTP_PROXY_FT_HTTP_404)
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	951 {
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	952 ngx_http_proxy_next_upstream(p, NGX_HTTP_PROXY_FT_HTTP_404);
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	953 return;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	954 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	955
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	956 /* TODO: "proxy_error_page" */
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	957
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	958 p->upstream->status_line.len = p->status_end - p->status_start;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	959 p->upstream->status_line.data = ngx_palloc(p->request->pool,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	960 p->upstream->status_line.len + 1);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	961 if (p->upstream->status_line.data == NULL) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	962 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	963 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	964 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	965 ngx_cpystrn(p->upstream->status_line.data, p->status_start,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	966 p->upstream->status_line.len + 1);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	967
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	968 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, rev->log, 0,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	969 "http proxy status %d \"%s\"",
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	970 p->upstream->status, p->upstream->status_line.data);
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	971
294 5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import Igor Sysoev <igor@sysoev.ru> parents: 293 diff changeset	972
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import Igor Sysoev <igor@sysoev.ru> parents: 293 diff changeset	973 /* init or reinit the p->upstream->headers_in.headers table */
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import Igor Sysoev <igor@sysoev.ru> parents: 293 diff changeset	974
416 b9bd635011de nginx-0.0.10-2004-09-06-22:45:00 import Igor Sysoev <igor@sysoev.ru> parents: 415 diff changeset	975 if (p->upstream->headers_in.headers.part.elts) {
b9bd635011de nginx-0.0.10-2004-09-06-22:45:00 import Igor Sysoev <igor@sysoev.ru> parents: 415 diff changeset	976 p->upstream->headers_in.headers.part.nelts = 0;
b9bd635011de nginx-0.0.10-2004-09-06-22:45:00 import Igor Sysoev <igor@sysoev.ru> parents: 415 diff changeset	977 p->upstream->headers_in.headers.part.next = NULL;
b9bd635011de nginx-0.0.10-2004-09-06-22:45:00 import Igor Sysoev <igor@sysoev.ru> parents: 415 diff changeset	978 p->upstream->headers_in.headers.last =
b9bd635011de nginx-0.0.10-2004-09-06-22:45:00 import Igor Sysoev <igor@sysoev.ru> parents: 415 diff changeset	979 &p->upstream->headers_in.headers.part;
b9bd635011de nginx-0.0.10-2004-09-06-22:45:00 import Igor Sysoev <igor@sysoev.ru> parents: 415 diff changeset	980
b9bd635011de nginx-0.0.10-2004-09-06-22:45:00 import Igor Sysoev <igor@sysoev.ru> parents: 415 diff changeset	981 ngx_memzero(&p->upstream->headers_in.date,
b9bd635011de nginx-0.0.10-2004-09-06-22:45:00 import Igor Sysoev <igor@sysoev.ru> parents: 415 diff changeset	982 sizeof(ngx_http_proxy_headers_in_t) - sizeof(ngx_list_t));
294 5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import Igor Sysoev <igor@sysoev.ru> parents: 293 diff changeset	983
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	984 } else {
416 b9bd635011de nginx-0.0.10-2004-09-06-22:45:00 import Igor Sysoev <igor@sysoev.ru> parents: 415 diff changeset	985 if (ngx_list_init(&p->upstream->headers_in.headers, p->request->pool,
b9bd635011de nginx-0.0.10-2004-09-06-22:45:00 import Igor Sysoev <igor@sysoev.ru> parents: 415 diff changeset	986 20, sizeof(ngx_table_elt_t)) == NGX_ERROR)
b9bd635011de nginx-0.0.10-2004-09-06-22:45:00 import Igor Sysoev <igor@sysoev.ru> parents: 415 diff changeset	987 {
294 5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import Igor Sysoev <igor@sysoev.ru> parents: 293 diff changeset	988 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import Igor Sysoev <igor@sysoev.ru> parents: 293 diff changeset	989 return;
5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import Igor Sysoev <igor@sysoev.ru> parents: 293 diff changeset	990 }
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	991 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	992
294 5cfd65b8b0a7 nginx-0.0.3-2004-03-23-09:01:52 import Igor Sysoev <igor@sysoev.ru> parents: 293 diff changeset	993
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	994 c->read->event_handler = ngx_http_proxy_process_upstream_headers;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	995 ngx_http_proxy_process_upstream_headers(rev);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	996 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	997
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	998
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	999 static void ngx_http_proxy_process_upstream_headers(ngx_event_t *rev)
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1000 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1001 int i, rc;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1002 ssize_t n;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1003 ngx_table_elt_t *h;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1004 ngx_connection_t *c;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1005 ngx_http_request_t *r;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1006 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	1007
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1008 c = rev->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1009 p = c->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1010 r = p->request;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1011 p->action = "reading upstream headers";
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1012
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	1013 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	1014 "http proxy process header line");
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1015
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1016 if (rev->timedout) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1017 ngx_http_proxy_next_upstream(p, NGX_HTTP_PROXY_FT_TIMEOUT);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1018 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1019 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1020
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1021 rc = NGX_AGAIN;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1022
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1023 for ( ;; ) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1024 if (rc == NGX_AGAIN) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1025 n = ngx_http_proxy_read_upstream_header(p);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1026
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1027 if (n == 0) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1028 ngx_log_error(NGX_LOG_ERR, rev->log, 0,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1029 "upstream prematurely closed connection");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1030 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1031
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1032 if (n == NGX_ERROR \|\| n == 0) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1033 ngx_http_proxy_next_upstream(p, NGX_HTTP_PROXY_FT_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1034 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1035 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1036
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1037 if (n == NGX_AGAIN) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1038 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1039 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1040 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1041
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1042 rc = ngx_http_parse_header_line(p->request, p->header_in);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1043
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1044 if (rc == NGX_OK) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1045
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1046 /* a header line has been parsed successfully */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1047
416 b9bd635011de nginx-0.0.10-2004-09-06-22:45:00 import Igor Sysoev <igor@sysoev.ru> parents: 415 diff changeset	1048 if (!(h = ngx_list_push(&p->upstream->headers_in.headers))) {
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1049 ngx_http_proxy_finalize_request(p,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1050 NGX_HTTP_INTERNAL_SERVER_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1051 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1052 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1053
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1054 h->key.len = r->header_name_end - r->header_name_start;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1055 h->value.len = r->header_end - r->header_start;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1056
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1057 h->key.data = ngx_palloc(p->request->pool,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1058 h->key.len + 1 + h->value.len + 1);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1059 if (h->key.data == NULL) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1060 ngx_http_proxy_finalize_request(p,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1061 NGX_HTTP_INTERNAL_SERVER_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1062 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1063 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1064
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1065 h->value.data = h->key.data + h->key.len + 1;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1066 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1067 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1068
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1069 for (i = 0; ngx_http_proxy_headers_in[i].name.len != 0; i++) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1070 if (ngx_http_proxy_headers_in[i].name.len != h->key.len) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1071 continue;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1072 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1073
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1074 if (ngx_strcasecmp(ngx_http_proxy_headers_in[i].name.data,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1075 h->key.data) == 0)
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1076 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1077 ((ngx_table_elt_t ) ((char ) &p->upstream->headers_in
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1078 + ngx_http_proxy_headers_in[i].offset)) = h;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1079 break;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1080 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1081 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1082
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	1083 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	1084 "http proxy header: \"%s: %s\"",
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	1085 h->key.data, h->value.data);
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1086
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1087 continue;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1088
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1089 } else if (rc == NGX_HTTP_PARSE_HEADER_DONE) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1090
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1091 /* a whole header has been parsed successfully */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1092
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	1093 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	1094 "http proxy header done");
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1095
172 caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import Igor Sysoev <igor@sysoev.ru> parents: 171 diff changeset	1096 /* TODO: hook to process the upstream header */
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import Igor Sysoev <igor@sysoev.ru> parents: 171 diff changeset	1097
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	1098 #if (NGX_HTTP_CACHE)
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	1099
172 caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import Igor Sysoev <igor@sysoev.ru> parents: 171 diff changeset	1100 if (p->cachable) {
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import Igor Sysoev <igor@sysoev.ru> parents: 171 diff changeset	1101 p->cachable = ngx_http_proxy_is_cachable(p);
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import Igor Sysoev <igor@sysoev.ru> parents: 171 diff changeset	1102 }
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import Igor Sysoev <igor@sysoev.ru> parents: 171 diff changeset	1103
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	1104 #endif
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	1105
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1106 ngx_http_proxy_send_response(p);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1107 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1108
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1109 } else if (rc != NGX_AGAIN) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1110
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1111 /* there was error while a header line parsing */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1112
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1113 ngx_log_error(NGX_LOG_ERR, rev->log, 0,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1114 upstream_header_errors[rc - NGX_HTTP_PARSE_HEADER_ERROR]);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1115
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1116 ngx_http_proxy_next_upstream(p, NGX_HTTP_PROXY_FT_INVALID_HEADER);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1117 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1118 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1119
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1120 /* rc == NGX_AGAIN: a header line parsing is still not complete */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1121
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1122 if (p->header_in->last == p->header_in->end) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1123 ngx_log_error(NGX_LOG_ERR, rev->log, 0,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1124 "upstream sent too big header");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1125
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1126 ngx_http_proxy_next_upstream(p, NGX_HTTP_PROXY_FT_INVALID_HEADER);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1127 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1128 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1129 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1130 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1131
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1132
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1133 static ssize_t ngx_http_proxy_read_upstream_header(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	1134 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1135 ssize_t n;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1136 ngx_event_t *rev;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1137
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1138 rev = p->upstream->peer.connection->read;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1139
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1140 n = p->header_in->last - p->header_in->pos;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1141
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1142 if (n > 0) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1143 return n;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1144 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1145
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1146 n = ngx_recv(p->upstream->peer.connection, p->header_in->last,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1147 p->header_in->end - p->header_in->last);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1148
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1149 if (n == NGX_AGAIN) {
189 c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import Igor Sysoev <igor@sysoev.ru> parents: 188 diff changeset	1150 #if 0
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1151 ngx_add_timer(rev, p->lcf->read_timeout);
189 c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import Igor Sysoev <igor@sysoev.ru> parents: 188 diff changeset	1152 #endif
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1153
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1154 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1155 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1156 return NGX_ERROR;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1157 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1158
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1159 return NGX_AGAIN;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1160 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1161
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1162 if (n == 0) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1163 ngx_log_error(NGX_LOG_ERR, rev->log, 0,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1164 "upstream closed prematurely connection");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1165 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1166
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1167 if (n == 0 \|\| n == NGX_ERROR) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1168 return NGX_ERROR;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1169 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1170
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1171 p->header_in->last += n;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1172
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1173 return n;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1174 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1175
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1176
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1177 static void ngx_http_proxy_send_response(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	1178 {
172 caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import Igor Sysoev <igor@sysoev.ru> parents: 171 diff changeset	1179 int rc;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1180 ngx_event_pipe_t *ep;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1181 ngx_http_request_t *r;
174 ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import Igor Sysoev <igor@sysoev.ru> parents: 172 diff changeset	1182 ngx_http_cache_header_t *header;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1183 ngx_http_core_loc_conf_t *clcf;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1184
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1185 r = p->request;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1186
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1187 r->headers_out.status = p->upstream->status;
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	1188 r->headers_out.status_line = p->upstream->status_line;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1189
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1190 #if 0
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1191 r->headers_out.content_length_n = -1;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1192 r->headers_out.content_length = NULL;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1193 #endif
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1194
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1195 /* copy an upstream header to r->headers_out */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1196
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1197 if (ngx_http_proxy_copy_header(p, &p->upstream->headers_in) == NGX_ERROR) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1198 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1199 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1200 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1201
344 e366ba5db8f8 nginx-0.0.3-2004-06-01-10:04:46 import Igor Sysoev <igor@sysoev.ru> parents: 343 diff changeset	1202 /* TODO: preallocate event_pipe bufs, look "Content-Length" */
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1203
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1204 rc = ngx_http_send_header(r);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1205
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1206 p->header_sent = 1;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1207
194 2357fa41738a nginx-0.0.1-2003-11-21-09:30:49 import Igor Sysoev <igor@sysoev.ru> parents: 191 diff changeset	1208 if (p->cache && p->cache->ctx.file.fd != NGX_INVALID_FILE) {
2357fa41738a nginx-0.0.1-2003-11-21-09:30:49 import Igor Sysoev <igor@sysoev.ru> parents: 191 diff changeset	1209 if (ngx_close_file(p->cache->ctx.file.fd) == NGX_FILE_ERROR) {
2357fa41738a nginx-0.0.1-2003-11-21-09:30:49 import Igor Sysoev <igor@sysoev.ru> parents: 191 diff changeset	1210 ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
2357fa41738a nginx-0.0.1-2003-11-21-09:30:49 import Igor Sysoev <igor@sysoev.ru> parents: 191 diff changeset	1211 ngx_close_file_n " \"%s\" failed",
2357fa41738a nginx-0.0.1-2003-11-21-09:30:49 import Igor Sysoev <igor@sysoev.ru> parents: 191 diff changeset	1212 p->cache->ctx.file.name.data);
2357fa41738a nginx-0.0.1-2003-11-21-09:30:49 import Igor Sysoev <igor@sysoev.ru> parents: 191 diff changeset	1213 }
2357fa41738a nginx-0.0.1-2003-11-21-09:30:49 import Igor Sysoev <igor@sysoev.ru> parents: 191 diff changeset	1214 }
2357fa41738a nginx-0.0.1-2003-11-21-09:30:49 import Igor Sysoev <igor@sysoev.ru> parents: 191 diff changeset	1215
174 ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import Igor Sysoev <igor@sysoev.ru> parents: 172 diff changeset	1216 if (p->cachable) {
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import Igor Sysoev <igor@sysoev.ru> parents: 172 diff changeset	1217 header = (ngx_http_cache_header_t *) p->header_in->start;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1218
174 ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import Igor Sysoev <igor@sysoev.ru> parents: 172 diff changeset	1219 header->expires = p->cache->ctx.expires;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import Igor Sysoev <igor@sysoev.ru> parents: 172 diff changeset	1220 header->last_modified = p->cache->ctx.last_modified;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import Igor Sysoev <igor@sysoev.ru> parents: 172 diff changeset	1221 header->date = p->cache->ctx.date;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import Igor Sysoev <igor@sysoev.ru> parents: 172 diff changeset	1222 header->length = r->headers_out.content_length_n;
176 c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	1223 p->cache->ctx.length = r->headers_out.content_length_n;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1224
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1225 header->key_len = p->cache->ctx.key.len;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1226 ngx_memcpy(&header->key, p->cache->ctx.key.data, header->key_len);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1227 header->key[header->key_len] = LF;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1228 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1229
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1230 ep = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t));
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1231 if (ep == NULL) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1232 ngx_http_proxy_finalize_request(p, 0);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1233 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1234 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1235
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1236 p->upstream->event_pipe = ep;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1237
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1238 ep->input_filter = ngx_event_pipe_copy_input_filter;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1239 ep->output_filter = (ngx_event_pipe_output_filter_pt)
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1240 ngx_http_output_filter;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1241 ep->output_ctx = r;
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	1242 ep->tag = (ngx_buf_tag_t) &ngx_http_proxy_module;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1243 ep->bufs = p->lcf->bufs;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1244 ep->busy_size = p->lcf->busy_buffers_size;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1245 ep->upstream = p->upstream->peer.connection;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1246 ep->downstream = r->connection;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1247 ep->pool = r->pool;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1248 ep->log = r->connection->log;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1249
288 f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	1250 ep->cachable = p->cachable;
f81d075ad172 nginx-0.0.2-2004-03-14-23:46:25 import Igor Sysoev <igor@sysoev.ru> parents: 287 diff changeset	1251
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1252 if (!(ep->temp_file = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)))) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1253 ngx_http_proxy_finalize_request(p, 0);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1254 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1255 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1256
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1257 ep->temp_file->file.fd = NGX_INVALID_FILE;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1258 ep->temp_file->file.log = r->connection->log;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1259 ep->temp_file->path = p->lcf->temp_path;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1260 ep->temp_file->pool = r->pool;
303 00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import Igor Sysoev <igor@sysoev.ru> parents: 298 diff changeset	1261
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import Igor Sysoev <igor@sysoev.ru> parents: 298 diff changeset	1262 if (p->cachable) {
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import Igor Sysoev <igor@sysoev.ru> parents: 298 diff changeset	1263 ep->temp_file->persistent = 1;
00c5660d2707 nginx-0.0.3-2004-04-01-20:20:53 import Igor Sysoev <igor@sysoev.ru> parents: 298 diff changeset	1264 } else {
188 0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import Igor Sysoev <igor@sysoev.ru> parents: 187 diff changeset	1265 ep->temp_file->warn = "an upstream response is buffered "
0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import Igor Sysoev <igor@sysoev.ru> parents: 187 diff changeset	1266 "to a temporary file";
0061d1f0908d nginx-0.0.1-2003-11-18-11:04:34 import Igor Sysoev <igor@sysoev.ru> parents: 187 diff changeset	1267 }
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1268
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1269 ep->max_temp_file_size = p->lcf->max_temp_file_size;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1270 ep->temp_file_write_size = p->lcf->temp_file_write_size;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1271
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	1272 if (!(ep->preread_bufs = ngx_alloc_chain_link(r->pool))) {
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1273 ngx_http_proxy_finalize_request(p, 0);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1274 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1275 }
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	1276 ep->preread_bufs->buf = p->header_in;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	1277 ep->preread_bufs->next = NULL;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1278
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1279 ep->preread_size = p->header_in->last - p->header_in->pos;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1280
304 bcbe876f4262 nginx-0.0.3-2004-04-02-09:14:40 import Igor Sysoev <igor@sysoev.ru> parents: 303 diff changeset	1281 if (p->cachable) {
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	1282 ep->buf_to_file = ngx_calloc_buf(r->pool);
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	1283 if (ep->buf_to_file == NULL) {
304 bcbe876f4262 nginx-0.0.3-2004-04-02-09:14:40 import Igor Sysoev <igor@sysoev.ru> parents: 303 diff changeset	1284 ngx_http_proxy_finalize_request(p, 0);
bcbe876f4262 nginx-0.0.3-2004-04-02-09:14:40 import Igor Sysoev <igor@sysoev.ru> parents: 303 diff changeset	1285 return;
bcbe876f4262 nginx-0.0.3-2004-04-02-09:14:40 import Igor Sysoev <igor@sysoev.ru> parents: 303 diff changeset	1286 }
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	1287 ep->buf_to_file->pos = p->header_in->start;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	1288 ep->buf_to_file->last = p->header_in->pos;
6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	1289 ep->buf_to_file->temporary = 1;
187 5a9bbe99008b nginx-0.0.1-2003-11-17-19:15:03 import Igor Sysoev <igor@sysoev.ru> parents: 178 diff changeset	1290 }
5a9bbe99008b nginx-0.0.1-2003-11-17-19:15:03 import Igor Sysoev <igor@sysoev.ru> parents: 178 diff changeset	1291
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1292 if (ngx_event_flags & NGX_USE_AIO_EVENT) {
195 8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import Igor Sysoev <igor@sysoev.ru> parents: 194 diff changeset	1293 /* the posted aio operation can currupt a shadow buffer */
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1294 ep->single_buf = 1;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1295 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1296
343 6bdf858bff8c nginx-0.0.3-2004-05-28-19:49:23 import; rename ngx_hunk_t to ngx_buf_t Igor Sysoev <igor@sysoev.ru> parents: 315 diff changeset	1297 /* TODO: ep->free_bufs = 0 if use ngx_create_chain_of_bufs() */
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1298 ep->free_bufs = 1;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1299
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1300 /*
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1301 * event_pipe would do p->header_in->last += ep->preread_size
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1302 * as though these bytes were read.
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1303 */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1304 p->header_in->last = p->header_in->pos;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1305
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1306 if (p->lcf->cyclic_temp_file) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1307
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1308 /*
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1309 * we need to disable the use of sendfile() if we use cyclic temp file
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1310 * because the writing a new data can interfere with sendfile()
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1311 * that uses the same kernel file pages (at least on FreeBSD)
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1312 */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1313
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1314 ep->cyclic_temp_file = 1;
452 23fb87bddda1 nginx-0.1.1-RELEASE import Igor Sysoev <igor@sysoev.ru> parents: 444 diff changeset	1315 r->connection->sendfile = 0;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1316
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1317 } else {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1318 ep->cyclic_temp_file = 0;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1319 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1320
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1321 clcf = ngx_http_get_module_loc_conf(r, ngx_http_core_module);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1322
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1323 ep->read_timeout = p->lcf->read_timeout;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1324 ep->send_timeout = clcf->send_timeout;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1325 ep->send_lowat = clcf->send_lowat;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1326
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1327 p->upstream->peer.connection->read->event_handler =
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1328 ngx_http_proxy_process_body;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1329 r->connection->write->event_handler = ngx_http_proxy_process_body;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1330
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1331 ngx_http_proxy_process_body(p->upstream->peer.connection->read);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1332
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1333 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1334 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1335
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1336
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1337 static void ngx_http_proxy_process_body(ngx_event_t *ev)
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1338 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1339 ngx_connection_t *c;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1340 ngx_http_request_t *r;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1341 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	1342 ngx_event_pipe_t *ep;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1343
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1344 c = ev->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1345
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1346 if (ev->write) {
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	1347 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ev->log, 0,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	1348 "http proxy process downstream");
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1349 r = c->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1350 p = ngx_http_get_module_ctx(r, ngx_http_proxy_module);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1351 p->action = "sending to client";
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1352
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1353 } else {
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	1354 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ev->log, 0,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	1355 "http proxy process upstream");
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1356 p = c->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1357 r = p->request;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1358 p->action = "reading upstream body";
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1359 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1360
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1361 ep = p->upstream->event_pipe;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1362
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1363 if (ev->timedout) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1364 if (ev->write) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1365 ep->downstream_error = 1;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1366 ngx_log_error(NGX_LOG_ERR, c->log, NGX_ETIMEDOUT,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1367 "client timed out");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1368
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1369 } else {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1370 ep->upstream_error = 1;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1371 ngx_log_error(NGX_LOG_ERR, c->log, NGX_ETIMEDOUT,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1372 "upstream timed out");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1373 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1374
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1375 } else {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1376 if (ngx_event_pipe(ep, ev->write) == NGX_ABORT) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1377 ngx_http_proxy_finalize_request(p, 0);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1378 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1379 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1380 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1381
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1382 if (p->upstream->peer.connection) {
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	1383
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	1384 #if (NGX_HTTP_FILE_CACHE)
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	1385
172 caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import Igor Sysoev <igor@sysoev.ru> parents: 171 diff changeset	1386 if (ep->upstream_done && p->cachable) {
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1387 if (ngx_http_proxy_update_cache(p) == NGX_ERROR) {
178 a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	1388 ngx_http_busy_unlock(p->lcf->busy_lock, &p->busy_lock);
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1389 ngx_http_proxy_finalize_request(p, 0);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1390 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1391 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1392
172 caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import Igor Sysoev <igor@sysoev.ru> parents: 171 diff changeset	1393 } else if (ep->upstream_eof && p->cachable) {
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1394
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1395 /* TODO: check length & update cache */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1396
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1397 if (ngx_http_proxy_update_cache(p) == NGX_ERROR) {
178 a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	1398 ngx_http_busy_unlock(p->lcf->busy_lock, &p->busy_lock);
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1399 ngx_http_proxy_finalize_request(p, 0);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1400 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1401 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1402 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1403
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	1404 #endif
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	1405
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1406 if (ep->upstream_done \|\| ep->upstream_eof \|\| ep->upstream_error) {
293 ec3c049681fd nginx-0.0.3-2004-03-19-08:25:53 import Igor Sysoev <igor@sysoev.ru> parents: 292 diff changeset	1407 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, ev->log, 0,
ec3c049681fd nginx-0.0.3-2004-03-19-08:25:53 import Igor Sysoev <igor@sysoev.ru> parents: 292 diff changeset	1408 "http proxy upstream exit: " PTR_FMT, ep->out);
178 a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	1409 ngx_http_busy_unlock(p->lcf->busy_lock, &p->busy_lock);
195 8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import Igor Sysoev <igor@sysoev.ru> parents: 194 diff changeset	1410 ngx_http_proxy_finalize_request(p, 0);
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import Igor Sysoev <igor@sysoev.ru> parents: 194 diff changeset	1411 return;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1412 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1413 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1414
195 8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import Igor Sysoev <igor@sysoev.ru> parents: 194 diff changeset	1415 if (ep->downstream_error) {
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	1416 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ev->log, 0,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	1417 "http proxy downstream error");
195 8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import Igor Sysoev <igor@sysoev.ru> parents: 194 diff changeset	1418 if (!p->cachable && p->upstream->peer.connection) {
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import Igor Sysoev <igor@sysoev.ru> parents: 194 diff changeset	1419 ngx_http_proxy_finalize_request(p, 0);
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import Igor Sysoev <igor@sysoev.ru> parents: 194 diff changeset	1420 }
8dee38ea9117 nginx-0.0.1-2003-11-25-23:44:56 import Igor Sysoev <igor@sysoev.ru> parents: 194 diff changeset	1421 }
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1422 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1423
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1424
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1425 static void ngx_http_proxy_next_upstream(ngx_http_proxy_ctx_t *p, int ft_type)
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1426 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1427 int status;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1428
257 70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	1429 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, p->request->connection->log, 0,
70e1c7d2b83d nginx-0.0.2-2004-02-11-20:08:49 import Igor Sysoev <igor@sysoev.ru> parents: 195 diff changeset	1430 "http proxy next upstream: %d", ft_type);
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1431
178 a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	1432 ngx_http_busy_unlock(p->lcf->busy_lock, &p->busy_lock);
a8ff48d26cca nginx-0.0.1-2003-11-11-00:09:22 import Igor Sysoev <igor@sysoev.ru> parents: 177 diff changeset	1433
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1434 if (ft_type != NGX_HTTP_PROXY_FT_HTTP_404) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1435 ngx_event_connect_peer_failed(&p->upstream->peer);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1436 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1437
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1438 if (ft_type == NGX_HTTP_PROXY_FT_TIMEOUT) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1439 ngx_log_error(NGX_LOG_ERR, p->request->connection->log, NGX_ETIMEDOUT,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1440 "upstream timed out");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1441 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1442
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1443 if (p->upstream->peer.cached && ft_type == NGX_HTTP_PROXY_FT_ERROR) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1444 status = 0;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1445
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1446 } else {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1447 switch(ft_type) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1448 case NGX_HTTP_PROXY_FT_TIMEOUT:
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1449 status = NGX_HTTP_GATEWAY_TIME_OUT;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1450 break;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1451
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1452 case NGX_HTTP_PROXY_FT_HTTP_500:
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1453 status = NGX_HTTP_INTERNAL_SERVER_ERROR;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1454 break;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1455
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1456 case NGX_HTTP_PROXY_FT_HTTP_404:
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1457 status = NGX_HTTP_NOT_FOUND;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1458 break;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1459
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1460 /*
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1461 * NGX_HTTP_PROXY_FT_BUSY_LOCK and NGX_HTTP_PROXY_FT_MAX_WAITING
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1462 * never reach here
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1463 */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1464
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1465 default:
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1466 status = NGX_HTTP_BAD_GATEWAY;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1467 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1468 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1469
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1470 if (p->upstream->peer.connection) {
175 e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	1471 ngx_http_proxy_close_connection(p);
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1472 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1473
189 c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import Igor Sysoev <igor@sysoev.ru> parents: 188 diff changeset	1474 if (p->request->connection->write->eof) {
190 02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import Igor Sysoev <igor@sysoev.ru> parents: 189 diff changeset	1475 ngx_http_proxy_finalize_request(p, NGX_HTTP_CLIENT_CLOSED_REQUEST);
02a715e85df1 nginx-0.0.1-2003-11-19-00:34:08 import Igor Sysoev <igor@sysoev.ru> parents: 189 diff changeset	1476 return;
189 c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import Igor Sysoev <igor@sysoev.ru> parents: 188 diff changeset	1477 }
c966c09be66b nginx-0.0.1-2003-11-18-19:49:00 import Igor Sysoev <igor@sysoev.ru> parents: 188 diff changeset	1478
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1479 if (status) {
172 caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import Igor Sysoev <igor@sysoev.ru> parents: 171 diff changeset	1480 p->state->status = status;
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1481
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1482 if (p->upstream->peer.tries == 0 \|\| !(p->lcf->next_upstream & ft_type))
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1483 {
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	1484
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	1485 #if (NGX_HTTP_CACHE)
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	1486
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1487 if (p->stale && (p->lcf->use_stale & ft_type)) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1488 ngx_http_proxy_finalize_request(p,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1489 ngx_http_proxy_send_cached_response(p));
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1490 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1491 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1492
287 35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	1493 #endif
35a6a9df2d25 nginx-0.0.2-2004-03-12-19:57:08 import Igor Sysoev <igor@sysoev.ru> parents: 257 diff changeset	1494
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1495 ngx_http_proxy_finalize_request(p, status);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1496 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1497 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1498 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1499
176 c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building Igor Sysoev <igor@sysoev.ru> parents: 175 diff changeset	1500 if (p->lcf->busy_lock && !p->busy_locked) {
175 e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	1501 ngx_http_proxy_upstream_busy_lock(p);
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	1502 } else {
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	1503 ngx_http_proxy_connect(p);
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import Igor Sysoev <igor@sysoev.ru> parents: 174 diff changeset	1504 }
171 aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import Igor Sysoev <igor@sysoev.ru> parents: 170 diff changeset	1505 }

Mercurial > hg > nginx

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