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annotate src/stream/ngx_stream_upstream.h @ 6643:9757cffc1e2f

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Stream: variables in proxy_pass and proxy_ssl_name.
author Vladimir Homutov <vl@nginx.com>
date Tue, 14 Jun 2016 18:29:46 +0300
parents 8f038068f4bc
children ab9b4fd8c5b7
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6115
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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4 * Copyright (C) Nginx, Inc.
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5 */
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6
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7
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8 #ifndef _NGX_STREAM_UPSTREAM_H_INCLUDED_
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9 #define _NGX_STREAM_UPSTREAM_H_INCLUDED_
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10
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11
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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14 #include <ngx_stream.h>
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15 #include <ngx_event_connect.h>
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16
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17
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18 #define NGX_STREAM_UPSTREAM_CREATE 0x0001
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19 #define NGX_STREAM_UPSTREAM_WEIGHT 0x0002
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20 #define NGX_STREAM_UPSTREAM_MAX_FAILS 0x0004
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21 #define NGX_STREAM_UPSTREAM_FAIL_TIMEOUT 0x0008
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22 #define NGX_STREAM_UPSTREAM_DOWN 0x0010
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23 #define NGX_STREAM_UPSTREAM_BACKUP 0x0020
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24
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25
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26 typedef struct {
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27 ngx_array_t upstreams;
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28 /* ngx_stream_upstream_srv_conf_t */
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29 } ngx_stream_upstream_main_conf_t;
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30
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31
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32 typedef struct ngx_stream_upstream_srv_conf_s ngx_stream_upstream_srv_conf_t;
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33
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34
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35 typedef ngx_int_t (*ngx_stream_upstream_init_pt)(ngx_conf_t *cf,
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36 ngx_stream_upstream_srv_conf_t *us);
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37 typedef ngx_int_t (*ngx_stream_upstream_init_peer_pt)(ngx_stream_session_t *s,
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38 ngx_stream_upstream_srv_conf_t *us);
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39
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40
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41 typedef struct {
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42 ngx_stream_upstream_init_pt init_upstream;
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43 ngx_stream_upstream_init_peer_pt init;
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44 void *data;
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45 } ngx_stream_upstream_peer_t;
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46
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47
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48 typedef struct {
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49 ngx_str_t name;
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50 ngx_addr_t *addrs;
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51 ngx_uint_t naddrs;
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52 ngx_uint_t weight;
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53 ngx_uint_t max_fails;
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54 time_t fail_timeout;
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55
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56 unsigned down:1;
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57 unsigned backup:1;
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58 } ngx_stream_upstream_server_t;
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59
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60
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61 struct ngx_stream_upstream_srv_conf_s {
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62 ngx_stream_upstream_peer_t peer;
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63 void **srv_conf;
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64
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65 ngx_array_t *servers;
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66 /* ngx_stream_upstream_server_t */
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67
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68 ngx_uint_t flags;
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69 ngx_str_t host;
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70 u_char *file_name;
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71 ngx_uint_t line;
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72 in_port_t port;
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73 ngx_uint_t no_port; /* unsigned no_port:1 */
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74
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75 #if (NGX_STREAM_UPSTREAM_ZONE)
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76 ngx_shm_zone_t *shm_zone;
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77 #endif
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78 };
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79
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80
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81 typedef struct {
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82 ngx_str_t host;
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83 in_port_t port;
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84 ngx_uint_t no_port; /* unsigned no_port:1 */
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85
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86 ngx_uint_t naddrs;
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87 ngx_resolver_addr_t *addrs;
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88
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89 struct sockaddr *sockaddr;
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90 socklen_t socklen;
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91
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92 ngx_resolver_ctx_t *ctx;
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93 } ngx_stream_upstream_resolved_t;
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94
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95
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96 typedef struct {
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97 ngx_peer_connection_t peer;
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98 ngx_buf_t downstream_buf;
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99 ngx_buf_t upstream_buf;
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100 off_t received;
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101 time_t start_sec;
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102 ngx_uint_t responses;
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103 #if (NGX_STREAM_SSL)
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104 ngx_str_t ssl_name;
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105 #endif
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106 ngx_stream_upstream_resolved_t *resolved;
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107 unsigned connected:1;
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108 unsigned proxy_protocol:1;
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109 } ngx_stream_upstream_t;
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110
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111
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112 ngx_stream_upstream_srv_conf_t *ngx_stream_upstream_add(ngx_conf_t *cf,
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113 ngx_url_t *u, ngx_uint_t flags);
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114
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115
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116 #define ngx_stream_conf_upstream_srv_conf(uscf, module) \
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117 uscf->srv_conf[module.ctx_index]
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118
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119
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120 extern ngx_module_t ngx_stream_upstream_module;
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121
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122
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123 #endif /* _NGX_STREAM_UPSTREAM_H_INCLUDED_ */