Mercurial > hg > nginx
annotate src/event/ngx_event_udp.c @ 7393:4698cede59ff
Stream: proxy_requests directive.
The directive allows to drop binding between a client and existing UDP stream
session after receiving a specified number of packets. First packet from the
same client address and port will start a new session. Old session continues
to exist and will terminate at moment defined by configuration: either after
receiving the expected number of responses, or after timeout, as specified by
the "proxy_responses" and/or "proxy_timeout" directives.
By default, proxy_requests is zero (disabled).
author | Vladimir Homutov <vl@nginx.com> |
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date | Mon, 12 Nov 2018 16:29:30 +0300 |
parents | 27559d4a5151 |
children | 6d4bc025c5a7 |
rev | line source |
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1 |
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2 /* |
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3 * Copyright (C) Roman Arutyunyan |
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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 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
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11 |
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12 |
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13 #if !(NGX_WIN32) |
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14 |
7286 | 15 struct ngx_udp_connection_s { |
16 ngx_rbtree_node_t node; | |
17 ngx_connection_t *connection; | |
18 ngx_buf_t *buffer; | |
19 }; | |
20 | |
21 | |
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22 static void ngx_close_accepted_udp_connection(ngx_connection_t *c); |
7286 | 23 static ssize_t ngx_udp_shared_recv(ngx_connection_t *c, u_char *buf, |
24 size_t size); | |
25 static ngx_int_t ngx_insert_udp_connection(ngx_connection_t *c); | |
26 static ngx_connection_t *ngx_lookup_udp_connection(ngx_listening_t *ls, | |
27 struct sockaddr *sockaddr, socklen_t socklen, | |
28 struct sockaddr *local_sockaddr, socklen_t local_socklen); | |
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29 |
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30 |
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31 void |
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32 ngx_event_recvmsg(ngx_event_t *ev) |
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33 { |
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34 ssize_t n; |
7286 | 35 ngx_buf_t buf; |
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36 ngx_log_t *log; |
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37 ngx_err_t err; |
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38 socklen_t socklen, local_socklen; |
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39 ngx_event_t *rev, *wev; |
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40 struct iovec iov[1]; |
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41 struct msghdr msg; |
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42 ngx_sockaddr_t sa, lsa; |
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43 struct sockaddr *sockaddr, *local_sockaddr; |
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44 ngx_listening_t *ls; |
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45 ngx_event_conf_t *ecf; |
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46 ngx_connection_t *c, *lc; |
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47 static u_char buffer[65535]; |
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48 |
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49 #if (NGX_HAVE_MSGHDR_MSG_CONTROL) |
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50 |
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51 #if (NGX_HAVE_IP_RECVDSTADDR) |
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52 u_char msg_control[CMSG_SPACE(sizeof(struct in_addr))]; |
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53 #elif (NGX_HAVE_IP_PKTINFO) |
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54 u_char msg_control[CMSG_SPACE(sizeof(struct in_pktinfo))]; |
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55 #endif |
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56 |
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57 #if (NGX_HAVE_INET6 && NGX_HAVE_IPV6_RECVPKTINFO) |
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58 u_char msg_control6[CMSG_SPACE(sizeof(struct in6_pktinfo))]; |
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59 #endif |
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60 |
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61 #endif |
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62 |
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63 if (ev->timedout) { |
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64 if (ngx_enable_accept_events((ngx_cycle_t *) ngx_cycle) != NGX_OK) { |
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65 return; |
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66 } |
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67 |
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68 ev->timedout = 0; |
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69 } |
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70 |
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71 ecf = ngx_event_get_conf(ngx_cycle->conf_ctx, ngx_event_core_module); |
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72 |
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73 if (!(ngx_event_flags & NGX_USE_KQUEUE_EVENT)) { |
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74 ev->available = ecf->multi_accept; |
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75 } |
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76 |
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77 lc = ev->data; |
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78 ls = lc->listening; |
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79 ev->ready = 0; |
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80 |
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81 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, ev->log, 0, |
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82 "recvmsg on %V, ready: %d", &ls->addr_text, ev->available); |
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83 |
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84 do { |
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85 ngx_memzero(&msg, sizeof(struct msghdr)); |
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86 |
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87 iov[0].iov_base = (void *) buffer; |
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88 iov[0].iov_len = sizeof(buffer); |
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89 |
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90 msg.msg_name = &sa; |
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91 msg.msg_namelen = sizeof(ngx_sockaddr_t); |
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92 msg.msg_iov = iov; |
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93 msg.msg_iovlen = 1; |
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94 |
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95 #if (NGX_HAVE_MSGHDR_MSG_CONTROL) |
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96 |
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97 if (ls->wildcard) { |
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98 |
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99 #if (NGX_HAVE_IP_RECVDSTADDR || NGX_HAVE_IP_PKTINFO) |
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100 if (ls->sockaddr->sa_family == AF_INET) { |
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101 msg.msg_control = &msg_control; |
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102 msg.msg_controllen = sizeof(msg_control); |
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103 } |
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104 #endif |
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105 |
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106 #if (NGX_HAVE_INET6 && NGX_HAVE_IPV6_RECVPKTINFO) |
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107 if (ls->sockaddr->sa_family == AF_INET6) { |
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108 msg.msg_control = &msg_control6; |
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109 msg.msg_controllen = sizeof(msg_control6); |
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110 } |
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111 #endif |
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112 } |
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113 |
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114 #endif |
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115 |
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116 n = recvmsg(lc->fd, &msg, 0); |
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117 |
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118 if (n == -1) { |
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119 err = ngx_socket_errno; |
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120 |
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121 if (err == NGX_EAGAIN) { |
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122 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ev->log, err, |
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123 "recvmsg() not ready"); |
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124 return; |
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125 } |
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126 |
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127 ngx_log_error(NGX_LOG_ALERT, ev->log, err, "recvmsg() failed"); |
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128 |
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129 return; |
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130 } |
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131 |
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132 #if (NGX_HAVE_MSGHDR_MSG_CONTROL) |
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133 if (msg.msg_flags & (MSG_TRUNC|MSG_CTRUNC)) { |
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134 ngx_log_error(NGX_LOG_ALERT, ev->log, 0, |
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135 "recvmsg() truncated data"); |
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136 continue; |
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137 } |
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138 #endif |
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139 |
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140 sockaddr = msg.msg_name; |
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141 socklen = msg.msg_namelen; |
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142 |
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143 if (socklen > (socklen_t) sizeof(ngx_sockaddr_t)) { |
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144 socklen = sizeof(ngx_sockaddr_t); |
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145 } |
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146 |
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147 if (socklen == 0) { |
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148 |
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149 /* |
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150 * on Linux recvmsg() returns zero msg_namelen |
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151 * when receiving packets from unbound AF_UNIX sockets |
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152 */ |
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153 |
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154 socklen = sizeof(struct sockaddr); |
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155 ngx_memzero(&sa, sizeof(struct sockaddr)); |
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156 sa.sockaddr.sa_family = ls->sockaddr->sa_family; |
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157 } |
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158 |
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159 local_sockaddr = ls->sockaddr; |
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160 local_socklen = ls->socklen; |
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161 |
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162 #if (NGX_HAVE_MSGHDR_MSG_CONTROL) |
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163 |
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164 if (ls->wildcard) { |
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165 struct cmsghdr *cmsg; |
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166 |
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167 ngx_memcpy(&lsa, local_sockaddr, local_socklen); |
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168 local_sockaddr = &lsa.sockaddr; |
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169 |
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170 for (cmsg = CMSG_FIRSTHDR(&msg); |
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171 cmsg != NULL; |
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172 cmsg = CMSG_NXTHDR(&msg, cmsg)) |
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173 { |
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174 |
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175 #if (NGX_HAVE_IP_RECVDSTADDR) |
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176 |
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177 if (cmsg->cmsg_level == IPPROTO_IP |
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178 && cmsg->cmsg_type == IP_RECVDSTADDR |
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179 && local_sockaddr->sa_family == AF_INET) |
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180 { |
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181 struct in_addr *addr; |
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182 struct sockaddr_in *sin; |
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183 |
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184 addr = (struct in_addr *) CMSG_DATA(cmsg); |
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185 sin = (struct sockaddr_in *) local_sockaddr; |
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186 sin->sin_addr = *addr; |
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187 |
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188 break; |
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189 } |
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190 |
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191 #elif (NGX_HAVE_IP_PKTINFO) |
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192 |
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193 if (cmsg->cmsg_level == IPPROTO_IP |
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194 && cmsg->cmsg_type == IP_PKTINFO |
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195 && local_sockaddr->sa_family == AF_INET) |
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196 { |
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197 struct in_pktinfo *pkt; |
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198 struct sockaddr_in *sin; |
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199 |
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200 pkt = (struct in_pktinfo *) CMSG_DATA(cmsg); |
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201 sin = (struct sockaddr_in *) local_sockaddr; |
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202 sin->sin_addr = pkt->ipi_addr; |
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203 |
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204 break; |
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205 } |
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206 |
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207 #endif |
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208 |
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209 #if (NGX_HAVE_INET6 && NGX_HAVE_IPV6_RECVPKTINFO) |
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210 |
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211 if (cmsg->cmsg_level == IPPROTO_IPV6 |
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212 && cmsg->cmsg_type == IPV6_PKTINFO |
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213 && local_sockaddr->sa_family == AF_INET6) |
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214 { |
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215 struct in6_pktinfo *pkt6; |
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216 struct sockaddr_in6 *sin6; |
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217 |
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218 pkt6 = (struct in6_pktinfo *) CMSG_DATA(cmsg); |
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219 sin6 = (struct sockaddr_in6 *) local_sockaddr; |
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220 sin6->sin6_addr = pkt6->ipi6_addr; |
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221 |
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222 break; |
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223 } |
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224 |
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225 #endif |
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226 |
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227 } |
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228 } |
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229 |
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230 #endif |
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231 |
7286 | 232 c = ngx_lookup_udp_connection(ls, sockaddr, socklen, local_sockaddr, |
233 local_socklen); | |
234 | |
235 if (c) { | |
236 | |
237 #if (NGX_DEBUG) | |
238 if (c->log->log_level & NGX_LOG_DEBUG_EVENT) { | |
239 ngx_log_handler_pt handler; | |
240 | |
241 handler = c->log->handler; | |
242 c->log->handler = NULL; | |
243 | |
244 ngx_log_debug2(NGX_LOG_DEBUG_EVENT, c->log, 0, | |
245 "recvmsg: fd:%d n:%z", c->fd, n); | |
246 | |
247 c->log->handler = handler; | |
248 } | |
249 #endif | |
250 | |
251 ngx_memzero(&buf, sizeof(ngx_buf_t)); | |
252 | |
253 buf.pos = buffer; | |
254 buf.last = buffer + n; | |
255 | |
256 rev = c->read; | |
257 | |
258 c->udp->buffer = &buf; | |
259 rev->ready = 1; | |
260 | |
261 rev->handler(rev); | |
262 | |
7391
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263 if (c->udp) { |
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264 c->udp->buffer = NULL; |
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265 } |
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266 |
7286 | 267 rev->ready = 0; |
268 | |
269 goto next; | |
270 } | |
271 | |
7285
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272 #if (NGX_STAT_STUB) |
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273 (void) ngx_atomic_fetch_add(ngx_stat_accepted, 1); |
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274 #endif |
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275 |
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276 ngx_accept_disabled = ngx_cycle->connection_n / 8 |
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277 - ngx_cycle->free_connection_n; |
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278 |
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279 c = ngx_get_connection(lc->fd, ev->log); |
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280 if (c == NULL) { |
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281 return; |
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282 } |
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283 |
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284 c->shared = 1; |
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285 c->type = SOCK_DGRAM; |
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286 c->socklen = socklen; |
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287 |
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288 #if (NGX_STAT_STUB) |
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289 (void) ngx_atomic_fetch_add(ngx_stat_active, 1); |
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290 #endif |
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291 |
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292 c->pool = ngx_create_pool(ls->pool_size, ev->log); |
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293 if (c->pool == NULL) { |
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294 ngx_close_accepted_udp_connection(c); |
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295 return; |
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296 } |
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297 |
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298 c->sockaddr = ngx_palloc(c->pool, socklen); |
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299 if (c->sockaddr == NULL) { |
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300 ngx_close_accepted_udp_connection(c); |
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301 return; |
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302 } |
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303 |
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304 ngx_memcpy(c->sockaddr, sockaddr, socklen); |
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305 |
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306 log = ngx_palloc(c->pool, sizeof(ngx_log_t)); |
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307 if (log == NULL) { |
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308 ngx_close_accepted_udp_connection(c); |
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309 return; |
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310 } |
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311 |
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312 *log = ls->log; |
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313 |
7286 | 314 c->recv = ngx_udp_shared_recv; |
7285
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315 c->send = ngx_udp_send; |
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316 c->send_chain = ngx_udp_send_chain; |
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317 |
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318 c->log = log; |
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319 c->pool->log = log; |
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320 c->listening = ls; |
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321 |
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322 if (local_sockaddr == &lsa.sockaddr) { |
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323 local_sockaddr = ngx_palloc(c->pool, local_socklen); |
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324 if (local_sockaddr == NULL) { |
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325 ngx_close_accepted_udp_connection(c); |
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326 return; |
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327 } |
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328 |
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329 ngx_memcpy(local_sockaddr, &lsa, local_socklen); |
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330 } |
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331 |
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332 c->local_sockaddr = local_sockaddr; |
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333 c->local_socklen = local_socklen; |
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334 |
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335 c->buffer = ngx_create_temp_buf(c->pool, n); |
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336 if (c->buffer == NULL) { |
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337 ngx_close_accepted_udp_connection(c); |
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338 return; |
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339 } |
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340 |
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341 c->buffer->last = ngx_cpymem(c->buffer->last, buffer, n); |
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342 |
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343 rev = c->read; |
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344 wev = c->write; |
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345 |
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346 wev->ready = 1; |
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347 |
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348 rev->log = log; |
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349 wev->log = log; |
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350 |
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351 /* |
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352 * TODO: MT: - ngx_atomic_fetch_add() |
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353 * or protection by critical section or light mutex |
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354 * |
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355 * TODO: MP: - allocated in a shared memory |
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356 * - ngx_atomic_fetch_add() |
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357 * or protection by critical section or light mutex |
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358 */ |
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359 |
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360 c->number = ngx_atomic_fetch_add(ngx_connection_counter, 1); |
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361 |
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362 #if (NGX_STAT_STUB) |
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363 (void) ngx_atomic_fetch_add(ngx_stat_handled, 1); |
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364 #endif |
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365 |
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366 if (ls->addr_ntop) { |
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367 c->addr_text.data = ngx_pnalloc(c->pool, ls->addr_text_max_len); |
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368 if (c->addr_text.data == NULL) { |
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369 ngx_close_accepted_udp_connection(c); |
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370 return; |
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371 } |
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372 |
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373 c->addr_text.len = ngx_sock_ntop(c->sockaddr, c->socklen, |
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374 c->addr_text.data, |
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375 ls->addr_text_max_len, 0); |
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376 if (c->addr_text.len == 0) { |
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377 ngx_close_accepted_udp_connection(c); |
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378 return; |
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379 } |
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380 } |
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381 |
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382 #if (NGX_DEBUG) |
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383 { |
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384 ngx_str_t addr; |
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385 u_char text[NGX_SOCKADDR_STRLEN]; |
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386 |
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387 ngx_debug_accepted_connection(ecf, c); |
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388 |
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389 if (log->log_level & NGX_LOG_DEBUG_EVENT) { |
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390 addr.data = text; |
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391 addr.len = ngx_sock_ntop(c->sockaddr, c->socklen, text, |
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392 NGX_SOCKADDR_STRLEN, 1); |
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393 |
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394 ngx_log_debug4(NGX_LOG_DEBUG_EVENT, log, 0, |
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395 "*%uA recvmsg: %V fd:%d n:%z", |
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396 c->number, &addr, c->fd, n); |
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397 } |
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398 |
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399 } |
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400 #endif |
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401 |
7286 | 402 if (ngx_insert_udp_connection(c) != NGX_OK) { |
403 ngx_close_accepted_udp_connection(c); | |
404 return; | |
405 } | |
406 | |
7285
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407 log->data = NULL; |
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408 log->handler = NULL; |
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409 |
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410 ls->handler(c); |
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411 |
7286 | 412 next: |
413 | |
7285
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414 if (ngx_event_flags & NGX_USE_KQUEUE_EVENT) { |
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415 ev->available -= n; |
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416 } |
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417 |
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418 } while (ev->available); |
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419 } |
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420 |
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421 |
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422 static void |
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423 ngx_close_accepted_udp_connection(ngx_connection_t *c) |
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424 { |
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425 ngx_free_connection(c); |
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426 |
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427 c->fd = (ngx_socket_t) -1; |
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428 |
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429 if (c->pool) { |
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430 ngx_destroy_pool(c->pool); |
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431 } |
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432 |
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433 #if (NGX_STAT_STUB) |
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434 (void) ngx_atomic_fetch_add(ngx_stat_active, -1); |
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435 #endif |
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436 } |
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437 |
7286 | 438 |
439 static ssize_t | |
440 ngx_udp_shared_recv(ngx_connection_t *c, u_char *buf, size_t size) | |
441 { | |
442 ssize_t n; | |
443 ngx_buf_t *b; | |
444 | |
445 if (c->udp == NULL || c->udp->buffer == NULL) { | |
446 return NGX_AGAIN; | |
447 } | |
448 | |
449 b = c->udp->buffer; | |
450 | |
451 n = ngx_min(b->last - b->pos, (ssize_t) size); | |
452 | |
453 ngx_memcpy(buf, b->pos, n); | |
454 | |
455 c->udp->buffer = NULL; | |
456 c->read->ready = 0; | |
457 | |
458 return n; | |
459 } | |
460 | |
461 | |
462 void | |
463 ngx_udp_rbtree_insert_value(ngx_rbtree_node_t *temp, | |
464 ngx_rbtree_node_t *node, ngx_rbtree_node_t *sentinel) | |
465 { | |
466 ngx_int_t rc; | |
467 ngx_connection_t *c, *ct; | |
468 ngx_rbtree_node_t **p; | |
469 ngx_udp_connection_t *udp, *udpt; | |
470 | |
471 for ( ;; ) { | |
472 | |
473 if (node->key < temp->key) { | |
474 | |
475 p = &temp->left; | |
476 | |
477 } else if (node->key > temp->key) { | |
478 | |
479 p = &temp->right; | |
480 | |
481 } else { /* node->key == temp->key */ | |
482 | |
483 udp = (ngx_udp_connection_t *) node; | |
484 c = udp->connection; | |
485 | |
486 udpt = (ngx_udp_connection_t *) temp; | |
487 ct = udpt->connection; | |
488 | |
489 rc = ngx_cmp_sockaddr(c->sockaddr, c->socklen, | |
490 ct->sockaddr, ct->socklen, 1); | |
491 | |
492 if (rc == 0 && c->listening->wildcard) { | |
493 rc = ngx_cmp_sockaddr(c->local_sockaddr, c->local_socklen, | |
494 ct->local_sockaddr, ct->local_socklen, 1); | |
495 } | |
496 | |
497 p = (rc < 0) ? &temp->left : &temp->right; | |
498 } | |
499 | |
500 if (*p == sentinel) { | |
501 break; | |
502 } | |
503 | |
504 temp = *p; | |
505 } | |
506 | |
507 *p = node; | |
508 node->parent = temp; | |
509 node->left = sentinel; | |
510 node->right = sentinel; | |
511 ngx_rbt_red(node); | |
512 } | |
513 | |
514 | |
515 static ngx_int_t | |
516 ngx_insert_udp_connection(ngx_connection_t *c) | |
517 { | |
518 uint32_t hash; | |
519 ngx_pool_cleanup_t *cln; | |
520 ngx_udp_connection_t *udp; | |
521 | |
522 if (c->udp) { | |
523 return NGX_OK; | |
524 } | |
525 | |
526 udp = ngx_pcalloc(c->pool, sizeof(ngx_udp_connection_t)); | |
527 if (udp == NULL) { | |
528 return NGX_ERROR; | |
529 } | |
530 | |
531 udp->connection = c; | |
532 | |
533 ngx_crc32_init(hash); | |
534 ngx_crc32_update(&hash, (u_char *) c->sockaddr, c->socklen); | |
535 | |
536 if (c->listening->wildcard) { | |
537 ngx_crc32_update(&hash, (u_char *) c->local_sockaddr, c->local_socklen); | |
538 } | |
539 | |
540 ngx_crc32_final(hash); | |
541 | |
542 udp->node.key = hash; | |
543 | |
544 cln = ngx_pool_cleanup_add(c->pool, 0); | |
545 if (cln == NULL) { | |
546 return NGX_ERROR; | |
547 } | |
548 | |
549 cln->data = c; | |
550 cln->handler = ngx_delete_udp_connection; | |
551 | |
552 ngx_rbtree_insert(&c->listening->rbtree, &udp->node); | |
553 | |
554 c->udp = udp; | |
555 | |
556 return NGX_OK; | |
557 } | |
558 | |
559 | |
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560 void |
7286 | 561 ngx_delete_udp_connection(void *data) |
562 { | |
563 ngx_connection_t *c = data; | |
564 | |
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565 if (c->udp == NULL) { |
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566 return; |
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567 } |
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568 |
7286 | 569 ngx_rbtree_delete(&c->listening->rbtree, &c->udp->node); |
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570 |
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571 c->udp = NULL; |
7286 | 572 } |
573 | |
574 | |
575 static ngx_connection_t * | |
576 ngx_lookup_udp_connection(ngx_listening_t *ls, struct sockaddr *sockaddr, | |
577 socklen_t socklen, struct sockaddr *local_sockaddr, socklen_t local_socklen) | |
578 { | |
579 uint32_t hash; | |
580 ngx_int_t rc; | |
581 ngx_connection_t *c; | |
582 ngx_rbtree_node_t *node, *sentinel; | |
583 ngx_udp_connection_t *udp; | |
584 | |
585 #if (NGX_HAVE_UNIX_DOMAIN) | |
586 | |
587 if (sockaddr->sa_family == AF_UNIX) { | |
588 struct sockaddr_un *saun = (struct sockaddr_un *) sockaddr; | |
589 | |
590 if (socklen <= (socklen_t) offsetof(struct sockaddr_un, sun_path) | |
591 || saun->sun_path[0] == '\0') | |
592 { | |
593 ngx_log_debug0(NGX_LOG_DEBUG_EVENT, ngx_cycle->log, 0, | |
594 "unbound unix socket"); | |
595 return NULL; | |
596 } | |
597 } | |
598 | |
7285
88a624c9b491
Events: moved ngx_recvmsg() to new file src/event/ngx_event_udp.c.
Roman Arutyunyan <arut@nginx.com>
parents:
diff
changeset
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599 #endif |
7286 | 600 |
601 node = ls->rbtree.root; | |
602 sentinel = ls->rbtree.sentinel; | |
603 | |
604 ngx_crc32_init(hash); | |
605 ngx_crc32_update(&hash, (u_char *) sockaddr, socklen); | |
606 | |
607 if (ls->wildcard) { | |
608 ngx_crc32_update(&hash, (u_char *) local_sockaddr, local_socklen); | |
609 } | |
610 | |
611 ngx_crc32_final(hash); | |
612 | |
613 while (node != sentinel) { | |
614 | |
615 if (hash < node->key) { | |
616 node = node->left; | |
617 continue; | |
618 } | |
619 | |
620 if (hash > node->key) { | |
621 node = node->right; | |
622 continue; | |
623 } | |
624 | |
625 /* hash == node->key */ | |
626 | |
627 udp = (ngx_udp_connection_t *) node; | |
628 | |
629 c = udp->connection; | |
630 | |
631 rc = ngx_cmp_sockaddr(sockaddr, socklen, | |
632 c->sockaddr, c->socklen, 1); | |
633 | |
634 if (rc == 0 && ls->wildcard) { | |
635 rc = ngx_cmp_sockaddr(local_sockaddr, local_socklen, | |
636 c->local_sockaddr, c->local_socklen, 1); | |
637 } | |
638 | |
639 if (rc == 0) { | |
640 return c; | |
641 } | |
642 | |
643 node = (rc < 0) ? node->left : node->right; | |
644 } | |
645 | |
646 return NULL; | |
647 } | |
648 | |
7393
4698cede59ff
Stream: proxy_requests directive.
Vladimir Homutov <vl@nginx.com>
parents:
7391
diff
changeset
|
649 #else |
4698cede59ff
Stream: proxy_requests directive.
Vladimir Homutov <vl@nginx.com>
parents:
7391
diff
changeset
|
650 |
4698cede59ff
Stream: proxy_requests directive.
Vladimir Homutov <vl@nginx.com>
parents:
7391
diff
changeset
|
651 void |
4698cede59ff
Stream: proxy_requests directive.
Vladimir Homutov <vl@nginx.com>
parents:
7391
diff
changeset
|
652 ngx_delete_udp_connection(void *data) |
4698cede59ff
Stream: proxy_requests directive.
Vladimir Homutov <vl@nginx.com>
parents:
7391
diff
changeset
|
653 { |
4698cede59ff
Stream: proxy_requests directive.
Vladimir Homutov <vl@nginx.com>
parents:
7391
diff
changeset
|
654 return; |
4698cede59ff
Stream: proxy_requests directive.
Vladimir Homutov <vl@nginx.com>
parents:
7391
diff
changeset
|
655 } |
4698cede59ff
Stream: proxy_requests directive.
Vladimir Homutov <vl@nginx.com>
parents:
7391
diff
changeset
|
656 |
7286 | 657 #endif |