1 | /* |
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2 | orxonox - the future of 3D-vertical-scrollers |
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3 | |
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4 | Copyright (C) 2004 orx |
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5 | |
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6 | This program is free software; you can redistribute it and/or modify |
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7 | it under the terms of the GNU General Public License as published by |
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8 | the Free Software Foundation; either version 2, or (at your option) |
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9 | any later version. |
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10 | |
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11 | ### File Specific: |
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12 | main-programmer: Patrick Boenzli (patrick@orxonox.ethz.ch) |
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13 | */ |
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14 | |
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15 | #include "proxy_control.h" |
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16 | |
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17 | #include "class_list.h" |
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18 | #include "shell_command.h" |
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19 | |
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20 | #include "state.h" |
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21 | #include "shared_network_data.h" |
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22 | #include "network_manager.h" |
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23 | #include "network_game_manager.h" |
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24 | #include "ip.h" |
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25 | #include "peer_info.h" |
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26 | |
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27 | #include "converter.h" |
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28 | |
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29 | #include "preferences.h" |
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30 | |
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31 | #include "debug.h" |
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32 | |
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33 | #include "monitor/network_monitor.h" |
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34 | |
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35 | |
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36 | #define DEBUG_SPECIAL_MODULE DEBUG_MODULE_NETWORK |
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37 | |
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38 | ProxyControl* ProxyControl::singletonRef = NULL; |
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39 | |
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40 | |
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41 | // SHELL_COMMAND(forceReconnect, ProxyControl, forceReconnectionShell); |
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42 | SHELL_COMMAND(bla, ProxyControl, forceReconnectionShellThumb); |
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43 | |
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44 | |
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45 | /** |
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46 | * constructor |
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47 | */ |
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48 | ProxyControl::ProxyControl() |
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49 | { |
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50 | this->setClassID( CL_PROXY_CONTROL, "ProxyControl" ); |
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51 | |
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52 | MessageManager::getInstance()->registerMessageHandler( MSGID_PROXY_NEWCLIENT, messageHandlerNewClient, NULL ); |
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53 | MessageManager::getInstance()->registerMessageHandler( MSGID_PROXY_LEAVECLIENT, messageHandlerLeaveClient, NULL ); |
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54 | MessageManager::getInstance()->registerMessageHandler( MSGID_PROXY_COMMAND, messageHandlerCommand, NULL ); |
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55 | |
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56 | |
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57 | PRINTF(0)("ProxyControl created\n"); |
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58 | } |
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59 | |
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60 | |
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61 | /** |
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62 | * standard deconstructor |
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63 | */ |
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64 | ProxyControl::~ProxyControl() |
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65 | { |
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66 | ProxyControl::singletonRef = NULL; |
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67 | } |
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68 | |
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69 | |
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70 | /** |
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71 | * override this function to be notified on change |
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72 | * of your registred variables. |
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73 | * @param id id's which have changed |
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74 | */ |
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75 | void ProxyControl::varChangeHandler( std::list< int > & id ) |
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76 | { |
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77 | // if ( std::find( id.begin(), id.end(), playableUniqueId_handle ) != id.end() ) |
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78 | // { |
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79 | // this->setPlayableUniqueId( this->playableUniqueId ); |
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80 | // |
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81 | // PRINTF(0)("uniqueID changed %d %d %d\n", userId, SharedNetworkData::getInstance()->getHostID(), getUniqueID()); |
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82 | // } |
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83 | } |
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84 | |
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85 | |
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86 | /** |
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87 | * signals new client connected to this local proxy |
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88 | * |
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89 | * byte 0 - 3 : userId |
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90 | * byte 4 - 7 : ip address (IPaddress.host) |
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91 | * |
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92 | * @param userId userId of the new client |
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93 | */ |
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94 | void ProxyControl::signalNewClient(int userId) |
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95 | { |
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96 | PRINTF(0)("Signaling new Client: %i\n", userId); |
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97 | // make sure we are a proxy server |
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98 | assert(SharedNetworkData::getInstance()->isProxyServerActive()); |
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99 | |
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100 | byte data[2 * INTSIZE]; |
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101 | // write the userId in the message |
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102 | assert( Converter::intToByteArray( userId, data, INTSIZE ) == INTSIZE ); |
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103 | // and the ip as an int |
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104 | PeerInfo* pInfo = SharedNetworkData::getInstance()->getNetworkMonitor()->getPeerByUserId(userId); |
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105 | assert(pInfo != NULL); |
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106 | assert( Converter::intToByteArray( pInfo->ip.host(), data + INTSIZE, INTSIZE ) == INTSIZE ); |
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107 | |
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108 | MessageManager::getInstance()->sendMessage( MSGID_PROXY_NEWCLIENT, data, 2*INTSIZE, RT_SERVER, NET_UNASSIGNED, MP_HIGHBANDWIDTH ); |
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109 | } |
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110 | |
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111 | |
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112 | /** |
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113 | * this is the handler for proxy signals: new clients |
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114 | * |
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115 | * @param messageType the type of the message |
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116 | * @param data message data |
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117 | * @param dataLength length of the message data |
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118 | * @param someData some other atteched data |
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119 | * @param senderId id of the sender client |
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120 | * @param destinationId id of the destination client |
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121 | * @return true if succeeded |
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122 | */ |
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123 | bool ProxyControl::messageHandlerNewClient( MessageType messageType, byte * data, int dataLength, void * someData, int senderId, int destinationId ) |
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124 | { |
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125 | // body data length correct? |
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126 | if ( dataLength != 2 * INTSIZE ) |
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127 | { |
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128 | PRINTF(2)("new client message has wrong size: %d\n", dataLength ); |
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129 | return true; |
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130 | } |
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131 | // read the userId fromt he message body |
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132 | int newClientId = 0; |
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133 | assert( Converter::byteArrayToInt( data, &newClientId) == INTSIZE ); |
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134 | // now read the ip address |
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135 | int ipHost = 0; |
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136 | assert( Converter::byteArrayToInt( data + INTSIZE, &ipHost) == INTSIZE ); |
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137 | |
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138 | // register the new node at the network monitor |
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139 | NetworkMonitor* netMon = SharedNetworkData::getInstance()->getNetworkMonitor(); |
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140 | NetworkNode* nNode = netMon->getNodeByUserId(senderId); // this gets the proxy server who sent the msg |
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141 | PeerInfo* pInfo = new PeerInfo(); |
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142 | pInfo->bLocal = false; |
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143 | pInfo->ip = IP(ipHost, 9999); |
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144 | pInfo->nodeType = NET_CLIENT; |
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145 | pInfo->userId = newClientId; |
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146 | netMon->addNode(nNode, pInfo); |
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147 | |
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148 | PRINTF(0)("Got Signal: from %i new player arrived with userId: %i and ip: %i\n", senderId, newClientId, pInfo->ip.ipString().c_str()); |
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149 | // part for the master server |
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150 | if( SharedNetworkData::getInstance()->isMasterServer()) |
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151 | { |
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152 | // we now create the new player ship and stuff... |
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153 | NetworkGameManager::getInstance()->signalNewPlayer(newClientId); |
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154 | } |
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155 | |
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156 | return true; |
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157 | } |
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158 | |
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159 | |
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160 | |
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161 | /** |
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162 | * signals client disconnect |
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163 | * @param userId userId of the old client |
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164 | */ |
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165 | void ProxyControl::signalLeaveClient(int userId) |
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166 | { |
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167 | PRINTF(0)("Signaling new Client: %i\n", userId); |
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168 | // make sure we are a proxy server |
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169 | assert(SharedNetworkData::getInstance()->isProxyServerActive()); |
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170 | |
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171 | byte data[INTSIZE]; |
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172 | |
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173 | assert( Converter::intToByteArray( userId, data, INTSIZE ) == INTSIZE ); |
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174 | |
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175 | MessageManager::getInstance()->sendMessage( MSGID_PROXY_LEAVECLIENT, data, INTSIZE, RT_SERVER, NET_UNASSIGNED, MP_HIGHBANDWIDTH ); |
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176 | } |
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177 | |
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178 | |
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179 | /** |
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180 | * this is the handler for proxy signals: removing clients |
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181 | * |
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182 | * @param messageType the type of the message |
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183 | * @param data message data |
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184 | * @param dataLength length of the message data |
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185 | * @param someData some other atteched data |
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186 | * @param senderId id of the sender client |
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187 | * @param destinationId id of the destination client |
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188 | * @return true if succeeded |
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189 | */ |
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190 | bool ProxyControl::messageHandlerLeaveClient( MessageType messageType, byte * data, int dataLength, void * someData, int senderId, int destinationId ) |
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191 | { |
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192 | // body data length correct? |
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193 | if ( dataLength != INTSIZE ) |
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194 | { |
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195 | PRINTF(2)("leave client message has wrong size: %d\n", dataLength ); |
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196 | return true; |
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197 | } |
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198 | // read the userId fromt he message body |
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199 | int leaveClientId = 0; |
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200 | assert( Converter::byteArrayToInt( data, &leaveClientId) == INTSIZE ); |
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201 | |
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202 | // remove the node from the network monitor |
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203 | NetworkMonitor* netMon = SharedNetworkData::getInstance()->getNetworkMonitor(); |
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204 | NetworkNode* nNode = netMon->getNodeByUserId(senderId); // this gets the proxy server who sent the msg |
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205 | netMon->removeNode(nNode, netMon->getPeerByUserId(leaveClientId)); |
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206 | |
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207 | PRINTF(0)("Got Signal: from %i player left with userId: %i\n", senderId, leaveClientId); |
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208 | // part for the master server |
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209 | if( SharedNetworkData::getInstance()->isMasterServer()) |
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210 | { |
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211 | // we now create the new player ship and stuff... |
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212 | NetworkGameManager::getInstance()->signalLeftPlayer(leaveClientId); |
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213 | } |
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214 | else if(SharedNetworkData::getInstance()->isProxyServerActive()) |
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215 | { |
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216 | |
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217 | } |
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218 | |
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219 | return true; |
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220 | } |
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221 | |
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222 | |
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223 | |
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224 | /** |
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225 | * forces a client to reconnect to another server |
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226 | * @param userId the userId of the client/user :D |
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227 | * @param newAddress the addresss the client should connect to (fully quali dns) |
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228 | */ |
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229 | void ProxyControl::forceReconnection(int userId, const std::string& newAddress) |
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230 | { |
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231 | IP ipAddr = IP(newAddress, 9999); |
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232 | this->forceReconnection(userId, newAddress); |
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233 | } |
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234 | |
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235 | |
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236 | |
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237 | /** |
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238 | * thumb command: staticly reconnect node 10 to node 0 |
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239 | */ |
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240 | void ProxyControl::forceReconnectionShellThumb() |
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241 | { |
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242 | this->forceReconnectionShell(10, 0); |
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243 | } |
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244 | |
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245 | /** |
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246 | * a shell command wrapper |
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247 | * @param userId the userId of the client/user :D |
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248 | * @param serverId the userId of the server to connect to |
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249 | */ |
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250 | void ProxyControl::forceReconnectionShell(int userId, int serverId) |
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251 | { |
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252 | this->forceReconnection(userId, serverId); |
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253 | } |
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254 | |
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255 | |
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256 | /** |
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257 | * forces a client to reconnect to another server |
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258 | * @param userId the userId of the client/user :D |
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259 | * @param serverId the userId of the server to connect to |
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260 | */ |
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261 | void ProxyControl::forceReconnection(int userId, int serverId) |
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262 | { |
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263 | PeerInfo* serverInfo = SharedNetworkData::getInstance()->getNetworkMonitor()->getPeerByUserId(serverId); |
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264 | if( serverInfo == NULL) |
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265 | { |
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266 | PRINTF(0)("There is no node with userId %i registered in this network. Check the uid again\n"); |
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267 | return; |
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268 | } |
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269 | else if( serverInfo->isMasterServer() || serverInfo->isProxyServerActive()) |
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270 | { |
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271 | PRINTF(0)("You can't connecto to a client (userId %i)\n", serverId); |
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272 | return; |
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273 | } |
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274 | |
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275 | |
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276 | this->forceReconnection(userId, serverInfo->ip); |
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277 | } |
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278 | |
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279 | |
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280 | /** |
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281 | * forces a client to reconnect to another server |
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282 | * @param userId the userId of the client/user :D |
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283 | * @param newAddress the addresss the client should connect to |
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284 | */ |
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285 | void ProxyControl::forceReconnection(int userId, IP newAddress) |
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286 | { |
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287 | PRINTF(0)("forcing reconnection: userId %i to %s\n", userId, newAddress.ipString().c_str()); |
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288 | // make sure we are a proxy server |
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289 | |
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290 | if( SharedNetworkData::getInstance()->isClient()) |
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291 | { |
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292 | PRINTF(0)("I am client, got no right to force reconnection\n"); |
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293 | return; |
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294 | } |
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295 | |
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296 | |
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297 | byte data[3 * INTSIZE]; |
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298 | |
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299 | // write type of message |
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300 | int type = PXY_RECONNECT; |
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301 | assert( Converter::intToByteArray( type, data, INTSIZE ) == INTSIZE ); |
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302 | // write the userId in the message |
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303 | assert( Converter::intToByteArray( userId, data + INTSIZE, INTSIZE ) == INTSIZE ); |
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304 | // and the ip as an int |
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305 | PeerInfo* pInfo = SharedNetworkData::getInstance()->getNetworkMonitor()->getPeerByUserId(userId); |
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306 | if( pInfo == NULL) |
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307 | { |
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308 | PRINTF(0)("There is no node with userId %i registered in this network. Check the uid again\n"); |
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309 | return; |
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310 | } |
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311 | else if( pInfo->isMasterServer() || pInfo->isProxyServerActive()) |
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312 | { |
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313 | PRINTF(0)("You cannont reconnect a %s, abording\n", pInfo->getNodeTypeString().c_str()); |
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314 | return; |
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315 | } |
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316 | assert( Converter::intToByteArray( newAddress.host(), data + 2 * INTSIZE, INTSIZE ) == INTSIZE ); |
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317 | |
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318 | MessageManager::getInstance()->sendMessage( MSGID_PROXY_COMMAND, data, 3*INTSIZE, RT_ALL_ME, NET_UNASSIGNED, MP_HIGHBANDWIDTH ); |
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319 | } |
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320 | |
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321 | |
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322 | /** |
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323 | * this is the handler for proxy commands |
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324 | * |
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325 | * @param messageType the type of the message |
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326 | * @param data message data |
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327 | * @param dataLength length of the message data |
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328 | * @param someData some other atteched data |
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329 | * @param senderId id of the sender client |
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330 | * @param destinationId id of the destination client |
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331 | * @return true if succeeded |
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332 | */ |
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333 | bool ProxyControl::messageHandlerCommand( MessageType messageType, byte * data, int dataLength, void * someData, int senderId, int destinationId ) |
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334 | { |
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335 | // body data length correct? |
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336 | if ( dataLength != 3 * INTSIZE ) |
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337 | { |
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338 | PRINTF(1)("leave client message has wrong size: %d\n", dataLength ); |
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339 | return true; |
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340 | } |
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341 | |
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342 | // read the command type |
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343 | int type = 0; |
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344 | assert( Converter::byteArrayToInt( data, &type) == INTSIZE ); |
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345 | PRINTF(0)("got command from %i with code %i\n", senderId, type); |
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346 | |
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347 | // now distingush all different sorts of commands |
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348 | switch( type) |
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349 | { |
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350 | case PXY_RECONNECT: |
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351 | { |
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352 | // now read the user id |
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353 | int userId; |
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354 | assert( Converter::byteArrayToInt( data + INTSIZE, &userId) == INTSIZE ); |
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355 | // and read the dest address |
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356 | int ipHost = 0; |
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357 | assert( Converter::byteArrayToInt( data + INTSIZE, &ipHost) == INTSIZE ); |
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358 | |
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359 | // handle it |
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360 | if( SharedNetworkData::getInstance()->getHostID() == userId && |
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361 | (SharedNetworkData::getInstance()->isMasterServer() || SharedNetworkData::getInstance()->isProxyServerActive())) |
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362 | { |
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363 | NetworkManager::getInstance()->reconnectToServer(IP(ipHost, 9999)); |
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364 | } |
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365 | break; |
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366 | } |
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367 | default: |
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368 | PRINTF(0)("Command not known with id %i\n", type); |
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369 | } |
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370 | |
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371 | |
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372 | // part for the master server |
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373 | if( SharedNetworkData::getInstance()->isMasterServer()) |
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374 | { |
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375 | // we now create the new player ship and stuff... |
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376 | // NetworkGameManager::getInstance()->signalLeftPlayer(leaveClientId); |
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377 | } |
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378 | else if(SharedNetworkData::getInstance()->isProxyServerActive()) |
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379 | { |
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380 | |
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381 | } |
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382 | |
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383 | return true; |
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384 | } |
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385 | |
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