1 | /*
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2 | * Licensed to the Apache Software Foundation (ASF) under one or more
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3 | * contributor license agreements. See the NOTICE file distributed with
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4 | * this work for additional information regarding copyright ownership.
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5 | * The ASF licenses this file to You under the Apache License, Version 2.0
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6 | * (the "License"); you may not use this file except in compliance with
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7 | * the License. You may obtain a copy of the License at
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8 | *
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9 | * http://www.apache.org/licenses/LICENSE-2.0
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10 | *
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11 | * Unless required by applicable law or agreed to in writing, software
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12 | * distributed under the License is distributed on an "AS IS" BASIS,
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13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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14 | * See the License for the specific language governing permissions and
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15 | * limitations under the License.
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16 | */
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17 |
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18 | #ifndef _LOG4CXX_NET_SOCKET_APPENDER_SKELETON_H
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19 | #define _LOG4CXX_NET_SOCKET_APPENDER_SKELETON_H
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20 |
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21 | #include <log4cxx/appenderskeleton.h>
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22 | #include <log4cxx/helpers/socket.h>
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23 | #include <log4cxx/helpers/thread.h>
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24 | #include <log4cxx/helpers/objectoutputstream.h>
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25 |
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26 | namespace log4cxx
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27 | {
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28 |
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29 | namespace net
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30 | {
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31 |
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32 | /**
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33 | * Abstract base class for SocketAppender and XMLSocketAppender
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34 | */
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35 | class LOG4CXX_EXPORT SocketAppenderSkeleton : public AppenderSkeleton
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36 | {
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37 | private:
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38 | /**
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39 | host name
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40 | */
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41 | LogString remoteHost;
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42 |
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43 | /**
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44 | IP address
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45 | */
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46 | helpers::InetAddressPtr address;
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47 |
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48 | int port;
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49 | int reconnectionDelay;
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50 | bool locationInfo;
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51 |
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52 | public:
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53 | SocketAppenderSkeleton(int defaultPort, int reconnectionDelay);
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54 | ~SocketAppenderSkeleton();
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55 |
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56 | /**
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57 | Connects to remote server at <code>address</code> and <code>port</code>.
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58 | */
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59 | SocketAppenderSkeleton(helpers::InetAddressPtr address, int port, int reconnectionDelay);
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60 |
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61 | /**
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62 | Connects to remote server at <code>host</code> and <code>port</code>.
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63 | */
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64 | SocketAppenderSkeleton(const LogString& host, int port, int reconnectionDelay);
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65 |
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66 | /**
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67 | Connect to the specified <b>RemoteHost</b> and <b>Port</b>.
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68 | */
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69 | void activateOptions(log4cxx::helpers::Pool& p);
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70 |
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71 | void close();
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72 |
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73 |
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74 | /**
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75 | * This appender does not use a layout. Hence, this method
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76 | * returns <code>false</code>.
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77 | *
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78 | */
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79 | bool requiresLayout() const
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80 | { return false; }
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81 |
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82 | /**
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83 | * The <b>RemoteHost</b> option takes a string value which should be
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84 | * the host name of the server where a
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85 | * Apache Chainsaw or compatible is running.
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86 | * */
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87 | inline void setRemoteHost(const LogString& host)
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88 | { address = helpers::InetAddress::getByName(host);
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89 | remoteHost.assign(host); }
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90 |
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91 | /**
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92 | Returns value of the <b>RemoteHost</b> option.
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93 | */
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94 | inline const LogString& getRemoteHost() const
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95 | { return remoteHost; }
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96 |
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97 | /**
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98 | The <b>Port</b> option takes a positive integer representing
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99 | the port where the server is waiting for connections.
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100 | */
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101 | void setPort(int port1)
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102 | { this->port = port1; }
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103 |
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104 | /**
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105 | Returns value of the <b>Port</b> option.
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106 | */
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107 | int getPort() const
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108 | { return port; }
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109 |
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110 | /**
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111 | The <b>LocationInfo</b> option takes a boolean value. If true,
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112 | the information sent to the remote host will include location
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113 | information. By default no location information is sent to the server.
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114 | */
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115 | void setLocationInfo(bool locationInfo1)
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116 | { this->locationInfo = locationInfo1; }
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117 |
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118 | /**
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119 | Returns value of the <b>LocationInfo</b> option.
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120 | */
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121 | bool getLocationInfo() const
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122 | { return locationInfo; }
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123 |
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124 | /**
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125 | The <b>ReconnectionDelay</b> option takes a positive integer
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126 | representing the number of milliseconds to wait between each
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127 | failed connection attempt to the server. The default value of
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128 | this option is 30000 which corresponds to 30 seconds.
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129 |
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130 | <p>Setting this option to zero turns off reconnection
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131 | capability.
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132 | */
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133 | void setReconnectionDelay(int reconnectionDelay1)
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134 | { this->reconnectionDelay = reconnectionDelay1; }
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135 |
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136 | /**
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137 | Returns value of the <b>ReconnectionDelay</b> option.
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138 | */
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139 | int getReconnectionDelay() const
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140 | { return reconnectionDelay; }
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141 |
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142 | void fireConnector();
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143 |
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144 | void setOption(const LogString& option,
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145 | const LogString& value);
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146 |
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147 | protected:
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148 |
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149 | virtual void setSocket(log4cxx::helpers::SocketPtr& socket, log4cxx::helpers::Pool& p) = 0;
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150 |
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151 | virtual void cleanUp(log4cxx::helpers::Pool& p) = 0;
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152 |
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153 | virtual int getDefaultDelay() const = 0;
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154 |
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155 | virtual int getDefaultPort() const = 0;
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156 |
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157 | private:
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158 | void connect(log4cxx::helpers::Pool& p);
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159 | /**
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160 | The Connector will reconnect when the server becomes available
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161 | again. It does this by attempting to open a new connection every
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162 | <code>reconnectionDelay</code> milliseconds.
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163 |
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164 | <p>It stops trying whenever a connection is established. It will
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165 | restart to try reconnect to the server when previpously open
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166 | connection is droppped.
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167 | */
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168 |
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169 | helpers::Thread thread;
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170 | static void* LOG4CXX_THREAD_FUNC monitor(apr_thread_t* thread, void* data);
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171 | SocketAppenderSkeleton(const SocketAppenderSkeleton&);
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172 | SocketAppenderSkeleton& operator=(const SocketAppenderSkeleton&);
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173 |
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174 | }; // class SocketAppenderSkeleton
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175 | } // namespace net
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176 | } // namespace log4cxx
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177 |
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178 | #endif // _LOG4CXX_NET_SOCKET_APPENDER_SKELETON_H
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179 |
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