Mercurial > hg > nginx-quic
annotate src/http/modules/proxy/ngx_http_proxy_upstream.c @ 278:0ba4821f4460
nginx-0.0.2-2004-03-04-10:04:55 import
author | Igor Sysoev <igor@sysoev.ru> |
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date | Thu, 04 Mar 2004 07:04:55 +0000 |
parents | 70e1c7d2b83d |
children | 35a6a9df2d25 |
rev | line source |
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nginx-0.0.1-2003-11-03-01:56:18 import
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1 |
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2 #include <ngx_config.h> |
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nginx-0.0.1-2003-11-03-01:56:18 import
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3 #include <ngx_core.h> |
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4 #include <ngx_event.h> |
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5 #include <ngx_event_connect.h> |
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6 #include <ngx_event_pipe.h> |
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7 #include <ngx_http.h> |
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8 #include <ngx_http_proxy_handler.h> |
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9 |
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11 static ngx_chain_t *ngx_http_proxy_create_request(ngx_http_proxy_ctx_t *p); |
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12 static void ngx_http_proxy_init_upstream(void *data); |
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13 static void ngx_http_proxy_reinit_upstream(ngx_http_proxy_ctx_t *p); |
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14 static void ngx_http_proxy_connect(ngx_http_proxy_ctx_t *p); |
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15 static void ngx_http_proxy_send_request(ngx_http_proxy_ctx_t *p); |
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16 static void ngx_http_proxy_send_request_handler(ngx_event_t *wev); |
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17 static void ngx_http_proxy_dummy_handler(ngx_event_t *wev); |
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18 static void ngx_http_proxy_process_upstream_status_line(ngx_event_t *rev); |
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19 static void ngx_http_proxy_process_upstream_headers(ngx_event_t *rev); |
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20 static ssize_t ngx_http_proxy_read_upstream_header(ngx_http_proxy_ctx_t *); |
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21 static void ngx_http_proxy_send_response(ngx_http_proxy_ctx_t *p); |
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22 static void ngx_http_proxy_process_body(ngx_event_t *ev); |
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23 static void ngx_http_proxy_next_upstream(ngx_http_proxy_ctx_t *p, int ft_type); |
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24 |
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25 |
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26 static ngx_str_t http_methods[] = { |
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27 ngx_string("GET "), |
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28 ngx_string("HEAD "), |
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29 ngx_string("POST ") |
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30 }; |
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31 |
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32 |
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33 static char *upstream_header_errors[] = { |
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34 "upstream sent invalid header", |
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35 "upstream sent too long header line" |
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36 }; |
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37 |
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38 |
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39 static char http_version[] = " HTTP/1.0" CRLF; |
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40 static char host_header[] = "Host: "; |
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41 static char connection_close_header[] = "Connection: close" CRLF; |
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42 |
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43 |
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44 int ngx_http_proxy_request_upstream(ngx_http_proxy_ctx_t *p) |
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45 { |
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46 int rc; |
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47 ngx_http_request_t *r; |
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48 ngx_http_proxy_upstream_t *u; |
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49 |
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50 r = p->request; |
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51 |
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52 if (!(u = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_upstream_t)))) { |
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53 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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54 } |
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55 |
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56 p->upstream = u; |
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57 |
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58 u->peer.peers = p->lcf->peers; |
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59 u->peer.tries = p->lcf->peers->number; |
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60 |
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61 u->method = r->method; |
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62 |
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63 if (r->headers_in.content_length_n > 0) { |
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64 if (!(r->temp_file = ngx_pcalloc(r->pool, sizeof(ngx_temp_file_t)))) { |
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65 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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66 } |
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67 |
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68 r->temp_file->file.fd = NGX_INVALID_FILE; |
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69 r->temp_file->file.log = r->connection->log; |
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70 r->temp_file->path = p->lcf->temp_path; |
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71 r->temp_file->pool = r->pool; |
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72 r->temp_file->warn = "a client request body is buffered " |
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73 "to a temporary file"; |
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74 /* r->temp_file->persistent = 0; */ |
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75 |
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76 r->request_body_handler = ngx_http_proxy_init_upstream; |
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77 r->data = p; |
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78 |
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79 rc = ngx_http_read_client_request_body(r, p->lcf->request_buffer_size); |
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80 |
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81 if (rc == NGX_AGAIN) { |
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82 return NGX_DONE; |
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83 } |
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84 |
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85 if (rc == NGX_ERROR) { |
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86 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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87 } |
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88 } |
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89 |
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90 ngx_http_proxy_init_upstream(p); |
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91 |
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92 return NGX_DONE; |
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93 } |
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94 |
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95 |
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96 static ngx_chain_t *ngx_http_proxy_create_request(ngx_http_proxy_ctx_t *p) |
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97 { |
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98 int i; |
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99 size_t len; |
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diff
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|
100 ngx_hunk_t *h; |
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101 ngx_chain_t *chain; |
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102 ngx_table_elt_t *header; |
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103 ngx_http_request_t *r; |
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diff
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|
104 ngx_http_proxy_upstream_conf_t *uc; |
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diff
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|
105 |
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diff
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106 r = p->request; |
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107 uc = p->lcf->upstream; |
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diff
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|
108 |
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nginx-0.0.1-2003-11-03-20:33:31 import
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|
109 len = http_methods[p->upstream->method - 1].len |
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diff
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|
110 + uc->uri.len |
aff0e5d32af8
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parents:
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diff
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|
111 + r->uri.len - uc->location->len |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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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
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|
113 + sizeof(http_version) - 1 |
aff0e5d32af8
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parents:
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diff
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|
114 + sizeof(host_header) - 1 + uc->host_header.len + 2 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
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parents:
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diff
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|
115 /* 2 is for "\r\n" */ |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
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parents:
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diff
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|
116 + sizeof(connection_close_header) - 1 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
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parents:
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diff
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|
117 + 2; /* 2 is for "\r\n" at the header end */ |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
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parents:
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diff
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|
118 |
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nginx-0.0.1-2003-11-03-20:33:31 import
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parents:
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diff
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119 header = (ngx_table_elt_t *) r->headers_in.headers->elts; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
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parents:
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diff
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120 for (i = 0; i < r->headers_in.headers->nelts; i++) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
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parents:
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diff
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|
121 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
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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
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|
123 continue; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
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|
124 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
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diff
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|
125 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
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|
126 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
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|
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
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|
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
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|
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
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|
134 /* STUB */ len++; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
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|
135 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
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|
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
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|
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 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
195 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
196 "http proxy header: \"%s: %s\"", |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
197 header[i].key.data, header[i].value.data); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
198 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
199 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
200 /* 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
|
201 *(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
|
202 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
203 #if (NGX_DEBUG) |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
204 *(h->last) = '\0'; |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
205 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
206 "http proxy header:\n\"%s\"", h->pos); |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
207 #endif |
171
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 return chain; |
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 |
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 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
|
214 { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
215 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
|
216 |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
changeset
|
217 ngx_chain_t *cl; |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
changeset
|
218 ngx_http_request_t *r; |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
changeset
|
219 ngx_output_chain_ctx_t *octx; |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
changeset
|
220 ngx_chain_writer_ctx_t *wctx; |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
changeset
|
221 ngx_http_proxy_log_ctx_t *lctx; |
171
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 r = p->request; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
224 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
225 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
226 "http proxy set timer: %d", |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
227 r->connection->read->timer_set); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
228 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
229 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
|
230 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
|
231 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
232 |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
233 if ((ngx_event_flags & (NGX_USE_CLEAR_EVENT|NGX_HAVE_KQUEUE_EVENT)) |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
234 && !r->connection->write->active) |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
235 { |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
236 /* kqueue allows to detect when client closes prematurely connection */ |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
237 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
238 r->connection->write->event_handler = |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
239 ngx_http_proxy_check_broken_connection; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
240 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
241 if (ngx_add_event(r->connection->write, NGX_WRITE_EVENT, |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
242 NGX_CLEAR_EVENT) == NGX_ERROR) |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
243 { |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
244 ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR); |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
245 return; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
246 } |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
247 } |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
248 |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
249 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
250 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
|
251 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
|
252 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
253 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
254 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
255 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
|
256 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
|
257 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
258 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
259 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
|
260 |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
changeset
|
261 if (!(lctx = ngx_pcalloc(r->pool, sizeof(ngx_http_proxy_log_ctx_t)))) { |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
changeset
|
262 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR); |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
changeset
|
263 return; |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
changeset
|
264 } |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
changeset
|
265 lctx->connection = r->connection->number; |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
changeset
|
266 lctx->proxy = p; |
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
changeset
|
267 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
268 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
|
269 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
|
270 p->saved_handler = r->connection->log->handler; |
191
71ce40b3c37b
nginx-0.0.1-2003-11-19-19:26:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
190
diff
changeset
|
271 r->connection->log->data = lctx; |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
272 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
|
273 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
|
274 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
275 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
|
276 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
|
277 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
278 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
279 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
280 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
|
281 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
282 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
|
283 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
|
284 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
|
285 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
|
286 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
|
287 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
288 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
|
289 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
|
290 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
291 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
292 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
293 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
|
294 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
295 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
|
296 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
297 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
|
298 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
|
299 } else { |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
300 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
|
301 } |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
302 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
303 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
304 |
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nginx-0.0.1-2003-11-03-20:33:31 import
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parents:
170
diff
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|
305 static void ngx_http_proxy_reinit_upstream(ngx_http_proxy_ctx_t *p) |
170
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parents:
diff
changeset
|
306 { |
c42be4185301
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parents:
diff
changeset
|
307 ngx_chain_t *cl; |
c42be4185301
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parents:
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|
308 ngx_output_chain_ctx_t *octx; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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parents:
diff
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|
309 |
171
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170
diff
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|
310 octx = p->upstream->output_chain_ctx; |
170
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parents:
diff
changeset
|
311 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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parents:
diff
changeset
|
312 /* reinit the request chain */ |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
313 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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parents:
diff
changeset
|
314 for (cl = p->request->request_hunks; cl; cl = cl->next) { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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parents:
diff
changeset
|
315 cl->hunk->pos = cl->hunk->start; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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parents:
diff
changeset
|
316 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
317 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
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parents:
diff
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|
318 /* 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
|
319 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
320 octx->hunk = NULL; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
321 octx->in = NULL; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
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322 octx->free = NULL; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
323 octx->busy = NULL; |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
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changeset
|
324 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
325 /* 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
|
326 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
327 if (p->header_in) { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
328 if (p->cache) { |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
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parents:
170
diff
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|
329 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
|
330 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
|
331 |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
332 } else { |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
333 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
|
334 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
|
335 } |
c42be4185301
nginx-0.0.1-2003-11-03-01:56:18 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
336 } |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
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|
337 |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
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|
338 /* add one more state */ |
4db54fdbcbe7
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parents:
176
diff
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|
339 |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
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parents:
176
diff
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|
340 if (!(p->state = ngx_push_array(&p->states))) { |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
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parents:
176
diff
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|
341 ngx_http_proxy_finalize_request(p, NGX_HTTP_INTERNAL_SERVER_ERROR); |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
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parents:
176
diff
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|
342 return; |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
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parents:
176
diff
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|
343 } |
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
344 |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
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|
345 p->status = 0; |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
346 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
|
347 } |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
348 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
349 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
350 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
|
351 { |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
352 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
|
353 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
354 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
|
355 p->busy_lock.event = p->request->connection->read; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
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|
356 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
|
357 } |
175
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
358 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
359 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
|
360 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
361 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
|
362 return; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
363 } |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
364 |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
365 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
|
366 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
|
367 return; |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
368 } |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
369 |
178
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
370 ngx_http_busy_unlock(p->lcf->busy_lock, &p->busy_lock); |
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
371 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
372 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
|
373 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
|
374 |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
375 } 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
|
376 /* 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
|
377 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
|
378 } |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
379 |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
380 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
|
381 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
|
382 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
|
383 return; |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
384 } |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
385 |
177
4db54fdbcbe7
nginx-0.0.1-2003-11-10-20:17:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
176
diff
changeset
|
386 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
|
387 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
|
388 } |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
389 |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
390 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
391 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
|
392 { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
393 int rc; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
394 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
|
395 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
|
396 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
|
397 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
398 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
|
399 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
400 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
|
401 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
402 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
|
403 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
|
404 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
405 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
406 |
172
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
407 p->state->peer = |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
408 &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
|
409 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
410 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
|
411 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
|
412 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
413 } |
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 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
|
416 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
|
417 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
|
418 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
|
419 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
|
420 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
421 r = p->request; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
422 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
|
423 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
|
424 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
|
425 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
426 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
|
427 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
428 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
|
429 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
|
430 } |
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 /* 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
|
433 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
434 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
|
435 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
|
436 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
|
437 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
438 } |
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 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
|
441 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
|
442 octx->hunks = 1; |
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 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
|
445 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
|
446 } |
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 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
|
449 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
450 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
|
451 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
|
452 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
453 } |
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 /* rc == NGX_OK */ |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
456 |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
457 #if 1 /* test only, see below about "post aio operation" */ |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
458 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
459 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
|
460 /* post aio operation */ |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
461 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
|
462 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
463 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
464 #endif |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
465 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
466 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
|
467 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
468 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
469 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
470 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
|
471 { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
472 int rc; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
473 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
|
474 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
|
475 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
476 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
|
477 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
478 #if (HAVE_KQUEUE) |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
479 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
480 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
|
481 && !p->request_sent |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
482 && 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
|
483 { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
484 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
|
485 "connect() failed"); |
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_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
|
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 #endif |
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 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
|
494 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
495 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
|
496 wctx->out = NULL; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
497 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
|
498 wctx->connection = c; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
499 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
500 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
|
501 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
|
502 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
503 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
|
504 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
|
505 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
506 } |
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 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
|
509 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
510 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
|
511 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
|
512 } |
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 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
|
515 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
|
516 |
189
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
517 c->write->available = /* STUB: lowat */ 0; |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
518 if (ngx_handle_write_event(c->write, NGX_LOWAT_EVENT) == NGX_ERROR) { |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
519 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
|
520 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
521 } |
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 return; |
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 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
526 /* rc == NGX_OK */ |
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 (c->tcp_nopush) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
529 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
|
530 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
|
531 ngx_socket_errno, |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
532 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
|
533 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
|
534 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
535 } |
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 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
|
538 return; |
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 |
189
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
541 ngx_add_timer(c->read, p->lcf->read_timeout); |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
542 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
543 #if 0 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
544 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
|
545 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
546 /* post aio operation */ |
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 * 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
|
550 * 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
|
551 * 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
|
552 */ |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
553 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
554 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
|
555 return; |
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 #endif |
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 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
|
560 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
|
561 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
562 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
|
563 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
|
564 return; |
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 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
567 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
568 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
569 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
|
570 { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
571 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
|
572 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
|
573 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
574 c = wev->data; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
575 p = c->data; |
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 (wev->timedout) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
578 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
|
579 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
|
580 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
581 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
582 |
189
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
583 if (p->request->connection->write->eof |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
584 && (!p->cachable || !p->request_sent)) |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
585 { |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
586 ngx_http_proxy_finalize_request(p, NGX_HTTP_CLIENT_CLOSED_REQUEST); |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
587 return; |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
588 } |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
589 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
590 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
|
591 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
592 |
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 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
|
595 { |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
596 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, wev->log, 0, "http proxy dummy handler"); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
597 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
598 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
599 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
600 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
|
601 { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
602 int rc; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
603 ssize_t n; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
604 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
|
605 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
|
606 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
607 c = rev->data; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
608 p = c->data; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
609 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
|
610 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
611 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
612 "http proxy process status line"); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
613 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
614 if (rev->timedout) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
615 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
|
616 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
617 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
618 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
619 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
|
620 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
|
621 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
|
622 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
|
623 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
|
624 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
625 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
626 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
|
627 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
628 if (p->cache) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
629 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
|
630 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
|
631 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
632 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
633 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
634 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
|
635 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
636 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
|
637 return; |
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 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
640 if (n == 0) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
641 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
|
642 "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
|
643 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
644 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
645 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
|
646 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
|
647 return; |
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 |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
650 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
|
651 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
652 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
|
653 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
654 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
|
655 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
656 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
|
657 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
|
658 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
|
659 "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
|
660 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
|
661 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
662 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
663 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
664 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
665 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
|
666 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
|
667 "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
|
668 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
669 if (p->accel) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
670 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
|
671 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
672 } else { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
673 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
|
674 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
|
675 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
|
676 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
677 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
678 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
679 } |
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 /* rc == NGX_OK */ |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
682 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
683 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
|
684 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
|
685 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
686 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
|
687 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
688 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
|
689 && (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
|
690 { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
691 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
|
692 return; |
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 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
|
696 && p->stale |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
697 && (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
|
698 { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
699 ngx_http_proxy_finalize_request(p, |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
700 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
|
701 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
702 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
703 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
704 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
705 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
706 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
|
707 && 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
|
708 && 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
|
709 { |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
710 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
|
711 return; |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
712 } |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
713 |
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
714 /* 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
|
715 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
716 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
|
717 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
|
718 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
|
719 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
|
720 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
|
721 return; |
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 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
|
724 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
|
725 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
726 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, rev->log, 0, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
727 "http proxy status %d \"%s\"", |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
728 p->upstream->status, p->upstream->status_line.data); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
729 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
730 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
|
731 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
|
732 } 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
|
733 /* 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
|
734 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
|
735 20); |
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 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
738 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
|
739 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
|
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 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
743 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
|
744 { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
745 int i, rc; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
746 ssize_t n; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
747 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
|
748 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
|
749 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
|
750 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
|
751 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
752 c = rev->data; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
753 p = c->data; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
754 r = p->request; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
755 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
|
756 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
757 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, rev->log, 0, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
758 "http proxy process header line"); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
759 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
760 if (rev->timedout) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
761 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
|
762 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
763 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
764 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
765 rc = NGX_AGAIN; |
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 for ( ;; ) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
768 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
|
769 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
|
770 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
771 if (n == 0) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
772 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
|
773 "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
|
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 (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
|
777 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
|
778 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
779 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
780 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
781 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
|
782 return; |
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 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
786 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
|
787 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
788 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
|
789 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
790 /* 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
|
791 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
792 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
|
793 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
|
794 if (h == NULL) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
795 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
|
796 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
|
797 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
798 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
799 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
800 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
|
801 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
|
802 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
803 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
|
804 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
|
805 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
|
806 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
|
807 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
|
808 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
809 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
810 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
811 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
|
812 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
|
813 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
|
814 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
815 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
|
816 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
|
817 continue; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
818 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
819 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
820 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
|
821 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
|
822 { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
823 *((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
|
824 + 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
|
825 break; |
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 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
829 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, c->log, 0, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
830 "http proxy header: \"%s: %s\"", |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
831 h->key.data, h->value.data); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
832 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
833 continue; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
834 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
835 } 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
|
836 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
837 /* 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
|
838 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
839 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
840 "http proxy header done"); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
841 |
172
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
842 /* 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
|
843 |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
844 if (p->cachable) { |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
845 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
|
846 } |
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
847 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
848 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
|
849 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
850 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
851 } 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
|
852 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
853 /* 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
|
854 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
855 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
|
856 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
|
857 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
858 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
|
859 return; |
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 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
862 /* 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
|
863 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
864 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
|
865 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
|
866 "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
|
867 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
868 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
|
869 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
870 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
871 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
872 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
873 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
874 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
875 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
|
876 { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
877 ssize_t n; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
878 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
|
879 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
880 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
|
881 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
882 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
|
883 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
884 if (n > 0) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
885 return n; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
886 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
887 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
888 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
|
889 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
|
890 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
891 if (n == NGX_AGAIN) { |
189
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
892 #if 0 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
893 ngx_add_timer(rev, p->lcf->read_timeout); |
189
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
894 #endif |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
895 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
896 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
|
897 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
|
898 return NGX_ERROR; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
899 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
900 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
901 return NGX_AGAIN; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
902 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
903 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
904 if (n == 0) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
905 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
|
906 "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
|
907 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
908 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
909 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
|
910 return NGX_ERROR; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
911 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
912 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
913 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
|
914 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
915 return n; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
916 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
917 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
918 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
919 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
|
920 { |
172
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
921 int rc; |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
922 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
|
923 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
|
924 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
|
925 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
|
926 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
927 r = p->request; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
928 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
929 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
|
930 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
931 #if 0 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
932 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
|
933 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
|
934 #endif |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
935 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
936 /* 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
|
937 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
938 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
|
939 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
|
940 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
941 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
942 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
943 /* 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
|
944 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
945 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
|
946 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
947 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
|
948 |
194
2357fa41738a
nginx-0.0.1-2003-11-21-09:30:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
191
diff
changeset
|
949 if (p->cache && p->cache->ctx.file.fd != NGX_INVALID_FILE) { |
2357fa41738a
nginx-0.0.1-2003-11-21-09:30:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
191
diff
changeset
|
950 if (ngx_close_file(p->cache->ctx.file.fd) == NGX_FILE_ERROR) { |
2357fa41738a
nginx-0.0.1-2003-11-21-09:30:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
191
diff
changeset
|
951 ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno, |
2357fa41738a
nginx-0.0.1-2003-11-21-09:30:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
191
diff
changeset
|
952 ngx_close_file_n " \"%s\" failed", |
2357fa41738a
nginx-0.0.1-2003-11-21-09:30:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
191
diff
changeset
|
953 p->cache->ctx.file.name.data); |
2357fa41738a
nginx-0.0.1-2003-11-21-09:30:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
191
diff
changeset
|
954 } |
2357fa41738a
nginx-0.0.1-2003-11-21-09:30:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
191
diff
changeset
|
955 } |
2357fa41738a
nginx-0.0.1-2003-11-21-09:30:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
191
diff
changeset
|
956 |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
957 if (p->cachable) { |
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
958 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
|
959 |
174
ea464a6c0581
nginx-0.0.1-2003-11-05-01:12:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
172
diff
changeset
|
960 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
|
961 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
|
962 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
|
963 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
|
964 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
|
965 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
966 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
|
967 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
|
968 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
|
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 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
|
972 if (ep == NULL) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
973 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
|
974 return; |
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 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
977 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
|
978 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
979 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
|
980 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
|
981 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
|
982 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
|
983 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
|
984 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
|
985 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
|
986 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
|
987 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
|
988 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
|
989 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
|
990 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
991 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
|
992 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
|
993 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
994 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
995 |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
996 ep->cachable = p->cachable; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
997 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
998 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
|
999 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
|
1000 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
|
1001 ep->temp_file->pool = r->pool; |
188
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
1002 if (!p->cachable) { |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
1003 ep->temp_file->warn = "an upstream response is buffered " |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
1004 "to a temporary file"; |
0061d1f0908d
nginx-0.0.1-2003-11-18-11:04:34 import
Igor Sysoev <igor@sysoev.ru>
parents:
187
diff
changeset
|
1005 } |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1006 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1007 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
|
1008 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
|
1009 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1010 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
|
1011 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
|
1012 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
|
1013 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1014 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1015 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
|
1016 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
|
1017 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1018 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
|
1019 |
187
5a9bbe99008b
nginx-0.0.1-2003-11-17-19:15:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
178
diff
changeset
|
1020 ep->hunk_to_file = ngx_calloc_hunk(r->pool); |
5a9bbe99008b
nginx-0.0.1-2003-11-17-19:15:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
178
diff
changeset
|
1021 if (ep->preread_hunks == NULL) { |
5a9bbe99008b
nginx-0.0.1-2003-11-17-19:15:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
178
diff
changeset
|
1022 ngx_http_proxy_finalize_request(p, 0); |
5a9bbe99008b
nginx-0.0.1-2003-11-17-19:15:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
178
diff
changeset
|
1023 return; |
5a9bbe99008b
nginx-0.0.1-2003-11-17-19:15:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
178
diff
changeset
|
1024 } |
5a9bbe99008b
nginx-0.0.1-2003-11-17-19:15:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
178
diff
changeset
|
1025 ep->hunk_to_file->pos = p->header_in->start; |
5a9bbe99008b
nginx-0.0.1-2003-11-17-19:15:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
178
diff
changeset
|
1026 ep->hunk_to_file->last = p->header_in->pos; |
5a9bbe99008b
nginx-0.0.1-2003-11-17-19:15:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
178
diff
changeset
|
1027 ep->hunk_to_file->type = NGX_HUNK_IN_MEMORY|NGX_HUNK_TEMP; |
5a9bbe99008b
nginx-0.0.1-2003-11-17-19:15:03 import
Igor Sysoev <igor@sysoev.ru>
parents:
178
diff
changeset
|
1028 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1029 if (ngx_event_flags & NGX_USE_AIO_EVENT) { |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
1030 /* the posted aio operation can currupt a shadow buffer */ |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1031 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
|
1032 } |
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 /* 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
|
1035 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
|
1036 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1037 /* |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1038 * 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
|
1039 * 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
|
1040 */ |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1041 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
|
1042 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1043 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
|
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 * 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
|
1047 * 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
|
1048 * 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
|
1049 */ |
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 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
|
1052 r->sendfile = 0; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1053 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1054 } else { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1055 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
|
1056 r->sendfile = 1; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1057 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1058 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1059 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
|
1060 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1061 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
|
1062 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
|
1063 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
|
1064 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1065 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
|
1066 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
|
1067 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
|
1068 |
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_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
|
1070 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1071 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1072 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1073 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1074 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1075 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
|
1076 { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1077 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
|
1078 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
|
1079 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
|
1080 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
|
1081 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1082 c = ev->data; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1083 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1084 if (ev->write) { |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
1085 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ev->log, 0, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
1086 "http proxy process downstream"); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1087 r = c->data; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1088 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
|
1089 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
|
1090 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1091 } else { |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
1092 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ev->log, 0, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
1093 "http proxy process upstream"); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1094 p = c->data; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1095 r = p->request; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1096 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
|
1097 } |
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 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
|
1100 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1101 if (ev->timedout) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1102 if (ev->write) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1103 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
|
1104 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
|
1105 "client timed out"); |
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 } else { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1108 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
|
1109 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
|
1110 "upstream timed out"); |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1111 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1112 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1113 } else { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1114 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
|
1115 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
|
1116 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1117 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1118 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1119 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1120 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
|
1121 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
|
1122 if (ngx_http_proxy_update_cache(p) == NGX_ERROR) { |
178
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
1123 ngx_http_busy_unlock(p->lcf->busy_lock, &p->busy_lock); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1124 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
|
1125 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1126 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1127 |
172
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
1128 } 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
|
1129 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1130 /* 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
|
1131 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1132 if (ngx_http_proxy_update_cache(p) == NGX_ERROR) { |
178
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
1133 ngx_http_busy_unlock(p->lcf->busy_lock, &p->busy_lock); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1134 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
|
1135 return; |
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 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1139 if (ep->upstream_done || ep->upstream_eof || ep->upstream_error) { |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
1140 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ev->log, 0, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
1141 "http proxy upstream exit"); |
178
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
1142 ngx_http_busy_unlock(p->lcf->busy_lock, &p->busy_lock); |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
1143 ngx_http_proxy_finalize_request(p, 0); |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
1144 return; |
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 |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
1148 if (ep->downstream_error) { |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
1149 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, ev->log, 0, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
1150 "http proxy downstream error"); |
195
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
1151 if (!p->cachable && p->upstream->peer.connection) { |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
1152 ngx_http_proxy_finalize_request(p, 0); |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
1153 } |
8dee38ea9117
nginx-0.0.1-2003-11-25-23:44:56 import
Igor Sysoev <igor@sysoev.ru>
parents:
194
diff
changeset
|
1154 } |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1155 } |
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 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
|
1159 { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1160 int status; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1161 |
257
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
1162 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, p->request->connection->log, 0, |
70e1c7d2b83d
nginx-0.0.2-2004-02-11-20:08:49 import
Igor Sysoev <igor@sysoev.ru>
parents:
195
diff
changeset
|
1163 "http proxy next upstream: %d", ft_type); |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1164 |
178
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
1165 ngx_http_busy_unlock(p->lcf->busy_lock, &p->busy_lock); |
a8ff48d26cca
nginx-0.0.1-2003-11-11-00:09:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
177
diff
changeset
|
1166 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1167 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
|
1168 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
|
1169 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1170 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1171 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
|
1172 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
|
1173 "upstream timed out"); |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1174 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1175 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1176 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
|
1177 status = 0; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1178 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1179 } else { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1180 switch(ft_type) { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1181 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
|
1182 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
|
1183 break; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1184 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1185 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
|
1186 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
|
1187 break; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1188 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1189 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
|
1190 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
|
1191 break; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1192 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1193 /* |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1194 * 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
|
1195 * never reach here |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1196 */ |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1197 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1198 default: |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1199 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
|
1200 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1201 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1202 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1203 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
|
1204 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
|
1205 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1206 |
189
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
1207 if (p->request->connection->write->eof) { |
190
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
189
diff
changeset
|
1208 ngx_http_proxy_finalize_request(p, NGX_HTTP_CLIENT_CLOSED_REQUEST); |
02a715e85df1
nginx-0.0.1-2003-11-19-00:34:08 import
Igor Sysoev <igor@sysoev.ru>
parents:
189
diff
changeset
|
1209 return; |
189
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
1210 } |
c966c09be66b
nginx-0.0.1-2003-11-18-19:49:00 import
Igor Sysoev <igor@sysoev.ru>
parents:
188
diff
changeset
|
1211 |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1212 if (status) { |
172
caa57ddf6d77
nginx-0.0.1-2003-11-04-01:20:44 import
Igor Sysoev <igor@sysoev.ru>
parents:
171
diff
changeset
|
1213 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
|
1214 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1215 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
|
1216 { |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1217 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
|
1218 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
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1219 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
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1220 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
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1221 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
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1222 |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
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1223 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
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1224 return; |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1225 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1226 } |
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1227 |
176
c0552e5ab567
nginx-0.0.1-2003-11-09-23:03:38 import; separate building
Igor Sysoev <igor@sysoev.ru>
parents:
175
diff
changeset
|
1228 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
|
1229 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
|
1230 } else { |
e92c2c647c57
nginx-0.0.1-2003-11-05-20:03:41 import
Igor Sysoev <igor@sysoev.ru>
parents:
174
diff
changeset
|
1231 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
|
1232 } |
171
aff0e5d32af8
nginx-0.0.1-2003-11-03-20:33:31 import
Igor Sysoev <igor@sysoev.ru>
parents:
170
diff
changeset
|
1233 } |