Mercurial > hg > nginx

annotate src/http/modules/proxy/ngx_http_proxy_upstream.c @ 177:4db54fdbcbe7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
nginx-0.0.1-2003-11-10-20:17:31 import
author Igor Sysoev <igor@sysoev.ru>
date Mon, 10 Nov 2003 17:17:31 +0000
parents c0552e5ab567
children a8ff48d26cca
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
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1
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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2 #include <ngx_config.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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3 #include <ngx_core.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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4 #include <ngx_event.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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5 #include <ngx_event_connect.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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6 #include <ngx_event_pipe.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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7 #include <ngx_http.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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8 #include <ngx_http_proxy_handler.h>
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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9
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
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10
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aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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11 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
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12 static void ngx_http_proxy_init_upstream(void *data);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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13 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
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14 static void ngx_http_proxy_connect(ngx_http_proxy_ctx_t *p);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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15 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
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16 static void ngx_http_proxy_send_request_handler(ngx_event_t *wev);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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17 static void ngx_http_proxy_dummy_handler(ngx_event_t *wev);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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18 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
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19 static void ngx_http_proxy_process_upstream_headers(ngx_event_t *rev);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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20 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
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21 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
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22 static void ngx_http_proxy_process_body(ngx_event_t *ev);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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23 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
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24
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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25
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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26 static ngx_str_t http_methods[] = {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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27 ngx_string("GET "),
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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28 ngx_string("HEAD "),
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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29 ngx_string("POST ")
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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30 };
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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31
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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32
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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33 static char *upstream_header_errors[] = {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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34 "upstream sent invalid header",
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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35 "upstream sent too long header line"
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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36 };
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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37
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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38
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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39 static char http_version[] = " HTTP/1.0" CRLF;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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40 static char host_header[] = "Host: ";
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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41 static char connection_close_header[] = "Connection: close" CRLF;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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42
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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43
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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44 int ngx_http_proxy_request_upstream(ngx_http_proxy_ctx_t *p)
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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45 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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46 int rc;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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47 ngx_http_request_t *r;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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48 ngx_http_proxy_upstream_t *u;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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49
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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50 r = p->request;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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51
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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52 if (!(u = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_upstream_t)))) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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53 return NGX_HTTP_INTERNAL_SERVER_ERROR;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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54 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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55
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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56 p->upstream = u;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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57
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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58 u->peer.peers = p->lcf->peers;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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59 u->peer.tries = p->lcf->peers->number;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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60
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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61 u->method = r->method;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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62
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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63 if (r->headers_in.content_length_n > 0) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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64 if (!(r->temp_file = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)))) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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65 return NGX_HTTP_INTERNAL_SERVER_ERROR;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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66 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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67
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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68 r->temp_file->file.fd = NGX_INVALID_FILE;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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69 r->temp_file->file.log = r->connection->log;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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70 r->temp_file->path = p->lcf->temp_path;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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71 r->temp_file->pool = r->pool;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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72 r->temp_file->warn = "a client request body is buffered "
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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73 "to a temporary file";
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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74 /* r->temp_file->persistent = 0; */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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75
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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76 r->request_body_handler = ngx_http_proxy_init_upstream;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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77 r->data = p;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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78
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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79 rc = ngx_http_read_client_request_body(r, p->lcf->request_buffer_size);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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80
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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81 if (rc == NGX_AGAIN) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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82 return NGX_DONE;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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83 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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84
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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85 if (rc == NGX_ERROR) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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86 return NGX_HTTP_INTERNAL_SERVER_ERROR;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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87 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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88 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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89
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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90 ngx_http_proxy_init_upstream(p);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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91
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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92 return NGX_DONE;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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93 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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94
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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95
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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96 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
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97 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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98 int i;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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99 size_t len;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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100 ngx_hunk_t *h;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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101 ngx_chain_t *chain;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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102 ngx_table_elt_t *header;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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103 ngx_http_request_t *r;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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104 ngx_http_proxy_upstream_conf_t *uc;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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105
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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106 r = p->request;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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107 uc = p->lcf->upstream;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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108
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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109 len = http_methods[p->upstream->method - 1].len
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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110 + uc->uri.len
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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111 + r->uri.len - uc->location->len
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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112 + 1 + r->args.len /* 1 is for "?" */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
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diff changeset
113 + sizeof(http_version) - 1
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
114 + sizeof(host_header) - 1 + uc->host_header.len + 2
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
115 /* 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
116 + 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
117 + 2; /* 2 is for "\r\n" at the header end */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
118
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
119 header = (ngx_table_elt_t *) r->headers_in.headers->elts;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
120 for (i = 0; i < r->headers_in.headers->nelts; i++) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
121
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
122 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
123 continue;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
124 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
125
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
126 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
127 continue;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
128 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
129
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
130 /* 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
131 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
132 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
133
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
134 /* STUB */ len++;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
135
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
136 ngx_test_null(h, ngx_create_temp_hunk(r->pool, len), NULL);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
137 ngx_alloc_link_and_set_hunk(chain, h, r->pool, NULL);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
138
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
139
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
140 /* the request line */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
141
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
142 h->last = ngx_cpymem(h->last, http_methods[p->upstream->method - 1].data,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
143 http_methods[p->upstream->method - 1].len);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
144
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
145 h->last = ngx_cpymem(h->last, uc->uri.data, uc->uri.len);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
146
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
147 h->last = ngx_cpymem(h->last,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
148 r->uri.data + uc->location->len,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
149 r->uri.len - uc->location->len);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
150
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
151 if (r->args.len > 0) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
152 *(h->last++) = '?';
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
153 h->last = ngx_cpymem(h->last, r->args.data, r->args.len);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
154 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
155
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
156 h->last = ngx_cpymem(h->last, http_version, sizeof(http_version) - 1);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
157
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
158
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
159 /* "Host" header */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
160
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
161 h->last = ngx_cpymem(h->last, host_header, sizeof(host_header) - 1);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
162 h->last = ngx_cpymem(h->last, uc->host_header.data, uc->host_header.len);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
163 *(h->last++) = CR; *(h->last++) = LF;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
164
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
165
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
166 /* "Connection: close" header */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
167
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
168 h->last = ngx_cpymem(h->last, connection_close_header,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
169 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
170
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
172 for (i = 0; i < r->headers_in.headers->nelts; i++) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
173
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
174 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
175 continue;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
176 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
177
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
178 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
179 continue;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
180 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
181
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
182 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
183 continue;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
184 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
185
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
186 h->last = ngx_cpymem(h->last, header[i].key.data, header[i].key.len);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
187
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
188 *(h->last++) = ':'; *(h->last++) = ' ';
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
189
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
190 h->last = ngx_cpymem(h->last, header[i].value.data,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
191 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
192
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
193 *(h->last++) = CR; *(h->last++) = LF;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
194
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
195 ngx_log_debug(r->connection->log, "proxy: '%s: %s'" _
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
196 header[i].key.data _ header[i].value.data);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
197 }
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 /* add "\r\n" at the header end */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
200 *(h->last++) = CR; *(h->last++) = LF;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
201
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
202 /* STUB */ *(h->last) = '\0';
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
203 ngx_log_debug(r->connection->log, "PROXY:\n'%s'" _ h->pos);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
204
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
205 return chain;
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
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
208
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
209 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
210 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
211 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
212
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
213 ngx_chain_t *cl;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
214 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
215 ngx_output_chain_ctx_t *octx;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
216 ngx_chain_writer_ctx_t *wctx;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
217
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
218 r = p->request;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
219
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
220 ngx_log_debug(r->connection->log, "timer_set: %d" _
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
221 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
222
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
223 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
224 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
225 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
226
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
227 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
228 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
229 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
230 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
231
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
232 if (r->request_hunks) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
233 cl->next = r->request_hunks;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
234 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
235
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
236 r->request_hunks = cl;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
237
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
238 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
239 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
240 p->saved_handler = r->connection->log->handler;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
241 r->connection->log->data = p;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
242 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
243 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
244
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
245 if (!(octx = ngx_pcalloc(r->pool, sizeof(ngx_output_chain_ctx_t)))) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
246 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
247 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
248 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
249
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
250 p->upstream->output_chain_ctx = octx;
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 octx->sendfile = r->sendfile;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
253 octx->pool = r->pool;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
254 octx->bufs.num = 1;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
255 octx->tag = (ngx_hunk_tag_t) &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
256 octx->output_filter = (ngx_output_chain_filter_pt) ngx_chain_writer;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
257
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
258 if (!(wctx = ngx_palloc(r->pool, sizeof(ngx_chain_writer_ctx_t)))) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
259 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
260 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
261 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
262
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
263 octx->output_ctx = wctx;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
264
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
265 wctx->pool = r->pool;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
266
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
267 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
268 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
269 } else {
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
270 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
271 }
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
272 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
273
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
274
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
275 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
276 {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
277 ngx_chain_t *cl;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
278 ngx_output_chain_ctx_t *octx;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
279
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
280 octx = p->upstream->output_chain_ctx;
170
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
281
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
282 /* reinit the request chain */
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
283
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
284 for (cl = p->request->request_hunks; cl; cl = cl->next) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
285 cl->hunk->pos = cl->hunk->start;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
286 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
287
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
288 /* reinit ngx_output_chain() context */
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
289
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
290 octx->hunk = NULL;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
291 octx->in = NULL;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
292 octx->free = NULL;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
293 octx->busy = NULL;
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
294
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
295 /* 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
296
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
297 if (p->header_in) {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
298 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
299 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
300 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
301
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
302 } else {
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
303 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
304 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
305 }
c42be4185301 nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff changeset
306 }
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
307
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
308 /* 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
309
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
310 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
311 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
312 return;
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
313 }
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
314
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
315 p->status = 0;
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
316 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
317 }
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
318
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
319
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
320 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
321 {
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
322 int rc, ft_type;
175
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
323
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
324 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
325 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
326 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
327 }
175
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
328
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
329 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
330
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
331 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
332 return;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
333 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
334
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
335 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
336 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
337 return;
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
338 }
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
339
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
340 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
341 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
342
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
343 } 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
344 /* 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
345 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
346 }
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
347
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
348 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
349 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
350 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
351 return;
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
352 }
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
353
177
4db54fdbcbe7 nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 176
diff changeset
354 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
355 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
356 }
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
357
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
358
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
359 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
360 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
361 int rc;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
362 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
363 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
364 ngx_output_chain_ctx_t *octx;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
365
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
366 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
367
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
368 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
369
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
370 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
371 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
372 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
373 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
374
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
375 p->state->peer =
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
376 &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
377
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
378 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
379 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
380 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
381 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
382
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
383 p->upstream->peer.connection->data = p;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
384 p->upstream->peer.connection->write->event_handler =
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
385 ngx_http_proxy_send_request_handler;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
386 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
387 ngx_http_proxy_process_upstream_status_line;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
388
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
389 r = p->request;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
390 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
391 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
392 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
393
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
394 octx = p->upstream->output_chain_ctx;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
395
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
396 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
397 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
398 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
399
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
400 /* init or reinit ngx_output_chain() context */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
401
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
402 if (r->request_body_hunk) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
403 if (!(octx->free = ngx_alloc_chain_link(r->pool))) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
404 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
405 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
406 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
407
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
408 octx->free->hunk = r->request_body_hunk;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
409 octx->free->next = NULL;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
410 octx->hunks = 1;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
411
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
412 r->request_body_hunk->pos = r->request_body_hunk->start;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
413 r->request_body_hunk->last = r->request_body_hunk->start;
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
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
416 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
417
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
418 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
419 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
420 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
421 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
422
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
423 /* rc == NGX_OK */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
424
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
425 #if 1 /* test only */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
426
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
427 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
428 /* post aio operation */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
429 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
430 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
431 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
432 #endif
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
433
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
434 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
435 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
436
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
437
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
438 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
439 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
440 int rc;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
441 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
442 ngx_chain_writer_ctx_t *wctx;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
443
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
444 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
445
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
446 #if (HAVE_KQUEUE)
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
447
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
448 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
449 && !p->request_sent
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
450 && c->write->kq_eof)
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
451 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
452 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
453 "connect() failed");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
454
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
455 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
456 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
457 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
458
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
459 #endif
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
460
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
461 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
462
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
463 wctx = p->upstream->output_chain_ctx->output_ctx;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
464 wctx->out = NULL;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
465 wctx->last = &wctx->out;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
466 wctx->connection = c;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
467
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
468 rc = ngx_output_chain(p->upstream->output_chain_ctx,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
469 p->request_sent ? NULL : p->request->request_hunks);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
470
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
471 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
472 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
473 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
474 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
475
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
476 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
477
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
478 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
479 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
480 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
481
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
482 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
483 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
484
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
485 if (ngx_handle_write_event(c->write, /* STUB: lowat */ 0) == NGX_ERROR)
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
486 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
487 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
488 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
489 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
490
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
491 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
492 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
493
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
494 /* rc == NGX_OK */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
495
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
496 if (c->tcp_nopush) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
497 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
498 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
499 ngx_socket_errno,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
500 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
501 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
502 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
503 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
504
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
505 c->tcp_nopush = 0;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
506 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
507 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
508
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
509 #if 0
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
510 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
511
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
512 /* post aio operation */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
513
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
514 /*
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
515 * 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
516 * 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
517 * 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
518 */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
519
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
520 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
521 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
522 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
523 #endif
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
524
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
525 p->upstream->peer.connection->write->event_handler =
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
526 ngx_http_proxy_dummy_handler;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
527
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
528 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
529 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
530 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
531 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
532 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
533
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
534
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
535 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
536 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
537 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
538 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
539
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
540 c = wev->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
541 p = c->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
542
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
543 if (wev->timedout) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
544 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
545 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
546 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
547 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
548
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
549 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
550 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
551
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
552
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
553 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
554 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
555 ngx_log_debug(wev->log, "dummy handler");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
556 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
557
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
558
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
559 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
560 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
561 int rc;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
562 ssize_t n;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
563 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
564 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
565
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
566 c = rev->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
567 p = c->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
568 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
569
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
570 ngx_log_debug(rev->log, "http proxy process status line");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
571
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
572 if (rev->timedout) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
573 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
574 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
575 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
576
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
577 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
578 p->header_in = ngx_create_temp_hunk(p->request->pool,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
579 p->lcf->header_buffer_size);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
580 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
581 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
582 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
583 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
584 p->header_in->tag = (ngx_hunk_tag_t) &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
585
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
586 if (p->cache) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
587 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
588 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
589 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
590 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
591
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
592 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
593
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
594 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
595 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
596 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
597
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
598 if (n == 0) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
599 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
600 "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
601 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
602
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
603 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
604 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
605 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
606 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
607
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
608 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
609
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
610 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
611
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
612 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
613
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
614 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
615 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
616 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
617 "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
618 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
619 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
620 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
621 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
622
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
623 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
624 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
625 "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
626
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
627 if (p->accel) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
628 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
629
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
630 } else {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
631 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
632 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
633 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
634 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
635
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
636 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
637 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
638
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
639 /* rc == NGX_OK */
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 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
642 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
643
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
644 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
645
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
646 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
647 && (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
648 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
649 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
650 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
651 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
652
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
653 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
654 && p->stale
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
655 && (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
656 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
657 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
658 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
659
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
660 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
661 }
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
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
664 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
665 && 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
666 && 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
667 {
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
668 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
669 return;
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
670 }
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
671
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
672 /* 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
673
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
674 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
675 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
676 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
677 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
678 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
679 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
680 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
681 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
682 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
683
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
684 ngx_log_debug(rev->log, "http proxy status %d '%s'" _
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
685 p->upstream->status _ p->upstream->status_line.data);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
686
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
687 if (p->upstream->headers_in.headers) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
688 p->upstream->headers_in.headers->nelts = 0;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
689 } 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
690 /* TODO: ngx_init_table */
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
691 p->upstream->headers_in.headers = ngx_create_table(p->request->pool,
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
692 20);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
693 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
694
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
695 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
696 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
697 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
698
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
699
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
700 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
701 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
702 int i, rc;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
703 ssize_t n;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
704 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
705 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
706 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
707 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
708
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
709 c = rev->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
710 p = c->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
711 r = p->request;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
712 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
713
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
714 ngx_log_debug(rev->log, "http proxy process header line");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
715
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
716 if (rev->timedout) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
717 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
718 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
719 }
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 rc = NGX_AGAIN;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
722
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
723 for ( ;; ) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
724 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
725 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
726
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
727 if (n == 0) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
728 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
729 "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
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 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
733 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
734 return;
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
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
737 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
738 return;
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 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
741
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
742 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
743
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
744 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
745
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
746 /* 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
747
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
748 h = ngx_http_add_header(&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
749 ngx_http_proxy_headers_in);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
750 if (h == NULL) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
751 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
752 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
753 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
754 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
755
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
756 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
757 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
758
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
759 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
760 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
761 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
762 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
763 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
764 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
765 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
766
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
767 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
768 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
769 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
770
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
771 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
772 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
773 continue;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
774 }
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 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
777 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
778 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
779 *((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
780 + 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
781 break;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
782 }
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 ngx_log_debug(c->log, "HTTP proxy header: '%s: %s'" _
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
786 h->key.data _ h->value.data);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
787
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
788 continue;
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 } 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
791
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
792 /* 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
793
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
794 ngx_log_debug(c->log, "HTTP header done");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
795
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
796 /* 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
797
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
798 if (p->cachable) {
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
799 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
800 }
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
801
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
802 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
803 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
804
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
805 } 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
806
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
807 /* 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
808
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
809 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
810 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
811
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
812 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
813 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
814 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
815
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
816 /* 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
817
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
818 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
819 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
820 "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
821
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
822 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
823 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
824 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
825 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
826 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
827
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
828
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
829 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
830 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
831 ssize_t n;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
832 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
833
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
834 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
835
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
836 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
837
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
838 if (n > 0) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
839 return n;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
840 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
841
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
842 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
843 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
844
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
845 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
846 ngx_add_timer(rev, 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
847
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
848 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
849 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
850 return NGX_ERROR;
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
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
853 return NGX_AGAIN;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
854 }
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 if (n == 0) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
857 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
858 "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
859 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
860
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
861 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
862 return NGX_ERROR;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
863 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
864
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
865 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
866
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
867 return n;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
868 }
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 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
872 {
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
873 int rc;
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
874 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
875 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
876 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
877 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
878
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
879 r = p->request;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
880
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
881 r->headers_out.status = p->upstream->status;
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 0
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
884 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
885 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
886 #endif
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
887
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
888 /* 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
889
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
890 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
891 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
892 return;
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
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
895 /* TODO: preallocate event_pipe hunks, look "Content-Length" */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
896
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
897 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
898
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
899 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
900
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
901 if (p->cachable) {
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
902 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
903
174
ea464a6c0581 nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents: 172
diff changeset
904 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
905 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
906 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
907 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
908 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
909
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
910 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
911 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
912 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
913 }
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 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
916 if (ep == NULL) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
917 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
918 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
919 }
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->event_pipe = ep;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
922
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
923 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
924 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
925 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
926 ep->output_ctx = r;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
927 ep->tag = (ngx_hunk_tag_t) &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
928 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
929 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
930 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
931 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
932 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
933 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
934
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
935 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
936 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
937 return;
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
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
940 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
941 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
942 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
943 ep->temp_file->pool = r->pool;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
944 ep->temp_file->warn = "an upstream response is buffered "
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
945 "to a temporary file";
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 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
948 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
949
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
950 ep->preread_hunks = ngx_alloc_chain_link(r->pool);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
951 if (ep->preread_hunks == NULL) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
952 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
953 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
954 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
955 ep->preread_hunks->hunk = p->header_in;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
956 ep->preread_hunks->next = NULL;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
957 p->header_in->type |= NGX_HUNK_PREREAD;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
958
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
959 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
960
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
961 if (ngx_event_flags & NGX_USE_AIO_EVENT) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
962
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
963 /* the posted aio operation can currupt shadow buf */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
964 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
965 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
966
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
967 /* TODO: ep->free_bufs = 0 if use ngx_create_chain_of_hunks() */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
968 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
969
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
970 /*
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
971 * 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
972 * 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
973 */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
974 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
975
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
976 ep->cachable = p->cachable;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
977
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
978 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
979
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
980 /*
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
981 * 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
982 * 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
983 * 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
984 */
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
985
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
986 ep->cyclic_temp_file = 1;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
987 r->sendfile = 0;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
988
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
989 } else {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
990 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
991 r->sendfile = 1;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
992 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
993
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
994 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
995
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
996 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
997 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
998 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
999
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1000 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
1001 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
1002 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
1003
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1004 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
1005
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1006 return;
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
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1009
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1010 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
1011 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1012 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
1013 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
1014 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
1015 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
1016
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1017 c = ev->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1018
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1019 if (ev->write) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1020 ngx_log_debug(ev->log, "http proxy process downstream");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1021 r = c->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1022 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
1023 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
1024
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1025 } else {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1026 ngx_log_debug(ev->log, "http proxy process upstream");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1027 p = c->data;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1028 r = p->request;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1029 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
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 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
1033
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1034 if (ev->timedout) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1035 if (ev->write) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1036 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
1037 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
1038 "client timed out");
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 } else {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1041 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
1042 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
1043 "upstream timed out");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1044 }
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 } else {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1047 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
1048 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
1049 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1050 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1051 }
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 if (p->upstream->peer.connection) {
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
1054 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
1055 if (ngx_http_proxy_update_cache(p) == NGX_ERROR) {
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
1056 ngx_http_busy_unlock_cachable(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
1057 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
1058 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1059 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1060
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
1061 ngx_http_busy_unlock_cachable(p->lcf->busy_lock, &p->busy_lock);
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
1062
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
1063 } 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
1064
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1065 /* 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
1066
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1067 if (ngx_http_proxy_update_cache(p) == NGX_ERROR) {
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
1068 ngx_http_busy_unlock_cachable(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
1069 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
1070 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1071 }
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
1072
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
1073 ngx_http_busy_unlock_cachable(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
1074 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1075
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1076 if (ep->upstream_done || ep->upstream_eof || ep->upstream_error) {
175
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
1077 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
1078 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1079 }
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 if (ep->downstream_done) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1082 ngx_log_debug(ev->log, "http proxy downstream done");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1083 ngx_http_proxy_finalize_request(p, r->main ? 0 : ngx_http_send_last(r));
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1084 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1085 }
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 if (ep->downstream_error) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1088 if (!p->cachable && 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
1089 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
1090 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1091
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1092 if (p->upstream->peer.connection == NULL) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1093 ngx_http_close_connection(c);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1094 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1095 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1096
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1097 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1098 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1099
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1100
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1101 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
1102 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1103 int status;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1104
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1105 ngx_log_debug(p->request->connection->log, "next upstream: %d" _ ft_type);
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1106
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1107 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
1108 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
1109 }
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 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
1112 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
1113 "upstream timed out");
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1114 }
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 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
1117 status = 0;
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 } else {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1120 switch(ft_type) {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1121 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
1122 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
1123 break;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1124
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1125 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
1126 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
1127 break;
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 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
1130 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
1131 break;
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 /*
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1134 * 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
1135 * never reach here
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1136 */
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 default:
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1139 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
1140 }
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
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1143 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
1144 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
1145 }
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1146
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1147 if (status) {
172
caa57ddf6d77 nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents: 171
diff changeset
1148 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
1149
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1150 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
1151 {
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1152 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
1153 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
1154 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
1155 return;
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1156 }
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 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
1159 return;
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
176
c0552e5ab567 nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents: 175
diff changeset
1163 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
1164 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
1165 } else {
e92c2c647c57 nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents: 174
diff changeset
1166 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
1167 }
171
aff0e5d32af8 nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents: 170
diff changeset
1168 }