src/server/daemon/httplistener.c

Mon, 23 Jul 2012 15:13:19 +0200

author
Olaf Wintermann <olaf.wintermann@gmail.com>
date
Mon, 23 Jul 2012 15:13:19 +0200
changeset 32
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parent 29
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child 35
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permissions
-rw-r--r--

added solaris 10 support

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1 /*
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2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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3 *
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4 * Copyright 2011 Olaf Wintermann. All rights reserved.
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5 *
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6 * Redistribution and use in source and binary forms, with or without
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7 * modification, are permitted provided that the following conditions are met:
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8 *
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9 * 1. Redistributions of source code must retain the above copyright
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10 * notice, this list of conditions and the following disclaimer.
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11 *
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12 * 2. Redistributions in binary form must reproduce the above copyright
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13 * notice, this list of conditions and the following disclaimer in the
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14 * documentation and/or other materials provided with the distribution.
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15 *
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16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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26 * POSSIBILITY OF SUCH DAMAGE.
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27 */
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28
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29 #include "../public/nsapi.h"
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30
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31 #include <stdio.h>
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32 #include <stdlib.h>
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33 #include <fcntl.h>
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34 #include <sys/shm.h>
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35 #include <sys/types.h>
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36 #include <sys/ipc.h>
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37 #include <sys/socket.h>
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38 #include <sys/file.h>
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39 #include <netinet/in.h>
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40 #include <netdb.h>
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41 #include <stdio.h>
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42 #include <stdlib.h>
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43 #include <fcntl.h>
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44 #include <unistd.h>
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45 #include <strings.h>
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46 #include <stdbool.h>
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47 #include <pthread.h>
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48
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49 #include "../ucx/map.h"
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50 #include "httplistener.h"
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51
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52 #include "session.h"
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53 #include "configmanager.h"
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54 #include "log.h"
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55
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56 UcxMap *listener_map = NULL;
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57
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58 int start_all_listener() {
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59 ServerConfiguration *conf = cfgmgr_get_server_config();
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60 UcxList *ls = conf->listeners;
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61 while(ls) {
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62 HttpListener *listener = ls->data;
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63 http_listener_start(listener);
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64 ls = ls->next;
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65 }
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66
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67 return 0;
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68 }
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69
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70
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71 HttpListener* http_listener_new(ListenerConfig *conf) {
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72 if(listener_map == NULL) {
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73 listener_map = ucx_map_new(16);
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74 }
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75
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76 HttpListener *fl = ucx_map_sstr_get(listener_map, conf->name);
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77 if(fl != NULL) {
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78 return fl;
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79 }
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80
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81 HttpListener *listener = malloc(sizeof(HttpListener));
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82 listener->name = conf->name;
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83 listener->session_handler = create_basic_session_handler();
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84 listener->nacceptors = conf->nacceptors;
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85 listener->port = conf->port;
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86 ucx_map_sstr_put(listener_map, listener->name, listener);
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87
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88 struct sockaddr_in servaddr; /* server address */
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89
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90 /* init address structure */
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91 memset(&servaddr, 0, sizeof(servaddr));
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92 servaddr.sin_family = AF_INET;
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93 servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
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94 servaddr.sin_port = htons(conf->port);
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95
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96 /* create socket */
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97 if((listener->server_socket = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
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98 perror("Error: http_listener_new: socket");
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99 return NULL;
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100 }
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101
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102 int o = 1;
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103 setsockopt(
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104 listener->server_socket,
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105 SOL_SOCKET, SO_REUSEADDR,
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106 &o,
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107 sizeof(int));
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108
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109 /* bind server socket to address */
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110 if(bind(listener->server_socket, (struct sockaddr*)&servaddr, sizeof(servaddr))){
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111 perror("Error: http_listener_new: bind");
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112 printf("port: %d\n", conf->port);
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113 return NULL;
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114 }
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115
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116 /* create acceptors */
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117 listener->acceptors = calloc(listener->nacceptors, sizeof(void*));
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118 for (int i=0;i<listener->nacceptors;i++) {
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119 listener->acceptors[i] = acceptor_new(listener);
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120 }
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121
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122 return listener;
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123 }
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124
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125 int http_listener_start(HttpListener *listener) {
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126 printf("INFO: start listener\n");
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127 log_ereport(LOG_LEVEL_INFO, "start listener on port %d", listener->port);
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128
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129 if (listen(listener->server_socket, 256) == -1) {
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130 perror("Error: http_listener_start: listen");
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131 return -1;
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132 }
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133
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134 /* start acceptor threads */
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135 for (int i=0;i<listener->nacceptors;i++) {
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136 acceptor_start(listener->acceptors[i]);
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137 }
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138
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139 return 0;
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140 }
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143
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144 Acceptor* acceptor_new(HttpListener *listener) {
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145 Acceptor *acceptor = malloc(sizeof(Acceptor));
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146 acceptor->listener = listener;
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147 return acceptor;
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148 }
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149
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150 void acceptor_start(Acceptor *a) {
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151 if(pthread_create(
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152 &a->tid,
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153 NULL,
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154 (void*(*)(void*))acceptor_thread,
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155 a) != 0)
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156 {
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157 perror("Error: acceptor_start: pthread_create");
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158 }
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159 }
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160
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161 void* acceptor_thread(Acceptor *acceptor) {
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162 HttpListener *listener = acceptor->listener;
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163
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164 for (;;) {
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165 /* accept connections */
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166 struct sockaddr_in ca;
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167 socklen_t length = sizeof(ca);
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168 int clientfd;
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169
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170 /* accept a connection */
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171 clientfd = accept(
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172 listener->server_socket,
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173 (struct sockaddr*)&ca,
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174 &length);
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175 if (clientfd == -1) {
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176 perror("Error: acceptor_thread: accept");
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177 continue;
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178 }
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179
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180 /* create Connection object */
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181 Connection *conn = malloc(sizeof(Connection));
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182 conn->address = ca;
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183 conn->fd = clientfd;
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184 conn->listener = listener;
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185
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186 /* enqueue the connection */
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187 listener->session_handler->enqueue_connection(
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188 listener->session_handler,
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189 conn);
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190
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191 /* ready for new connection */
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192 if(0) {
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193 break;
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194 }
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195 }
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196
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197 return NULL;
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198 }

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