[5566] | 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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[5601] | 12 | main-programmer: claudio |
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[5800] | 13 | co-programmer: |
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[5566] | 14 | */ |
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| 15 | |
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| 16 | |
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| 17 | /* this is for debug output. It just says, that all calls to PRINT() belong to the DEBUG_MODULE_NETWORK module |
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| 18 | For more information refere to https://www.orxonox.net/cgi-bin/trac.cgi/wiki/DebugOutput |
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| 19 | */ |
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| 20 | #define DEBUG_MODULE_NETWORK |
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| 21 | |
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[5747] | 22 | |
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[5647] | 23 | #include "base_object.h" |
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[5731] | 24 | #include "network_protocol.h" |
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[5647] | 25 | #include "network_socket.h" |
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| 26 | #include "connection_monitor.h" |
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| 27 | #include "synchronizeable.h" |
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[6139] | 28 | #include "network_manager.h" |
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[6341] | 29 | #include "network_game_manager.h" |
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| 30 | |
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[5649] | 31 | #include "debug.h" |
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[6139] | 32 | #include "class_list.h" |
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[6144] | 33 | #include <algorithm> |
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[5647] | 34 | |
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[5566] | 35 | /* include your own header */ |
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| 36 | #include "network_stream.h" |
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| 37 | |
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[5595] | 38 | /* probably unnecessary */ |
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[5594] | 39 | using namespace std; |
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| 40 | |
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[5595] | 41 | |
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[5747] | 42 | #define PACKAGE_SIZE 256 |
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[5647] | 43 | |
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[5747] | 44 | |
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[5800] | 45 | NetworkStream::NetworkStream() |
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[5996] | 46 | : DataStream() |
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[5647] | 47 | { |
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| 48 | this->init(); |
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[5648] | 49 | /* initialize the references */ |
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[5996] | 50 | this->type = NET_CLIENT; |
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[5741] | 51 | this->networkProtocol = new NetworkProtocol(); |
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[5648] | 52 | this->connectionMonitor = new ConnectionMonitor(); |
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[5647] | 53 | } |
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| 54 | |
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[6660] | 55 | |
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[6139] | 56 | NetworkStream::NetworkStream(IPaddress& address) |
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[5996] | 57 | { |
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[6139] | 58 | this->type = NET_CLIENT; |
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[5996] | 59 | this->init(); |
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[6139] | 60 | this->networkSockets.push_back(new NetworkSocket(address)); |
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[5996] | 61 | this->networkProtocol = new NetworkProtocol(); |
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| 62 | this->connectionMonitor = new ConnectionMonitor(); |
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[6341] | 63 | this->maxConnections = 1; |
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[5996] | 64 | } |
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| 65 | |
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| 66 | |
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[6139] | 67 | NetworkStream::NetworkStream(unsigned int port) |
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[5647] | 68 | { |
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[6139] | 69 | this->type = NET_SERVER; |
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[5647] | 70 | this->init(); |
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[6139] | 71 | this->serverSocket = new ServerSocket(port); |
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[5741] | 72 | this->networkProtocol = new NetworkProtocol(); |
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| 73 | this->connectionMonitor = new ConnectionMonitor(); |
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[6139] | 74 | this->networkSockets.push_back( NULL ); |
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[6634] | 75 | this->networkSockets[0] = NULL; //TODO: remove this |
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[6139] | 76 | this->handshakes.push_back( NULL ); |
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[5996] | 77 | this->bActive = true; |
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[5649] | 78 | } |
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| 79 | |
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| 80 | |
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[5647] | 81 | void NetworkStream::init() |
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| 82 | { |
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| 83 | /* set the class id for the base object */ |
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| 84 | this->setClassID(CL_NETWORK_STREAM, "NetworkStream"); |
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[5996] | 85 | this->bActive = false; |
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[6139] | 86 | this->serverSocket = NULL; |
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[6341] | 87 | this->networkGameManager = NULL; |
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[6139] | 88 | myHostId = 0; |
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[5594] | 89 | } |
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| 90 | |
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[5647] | 91 | |
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[5566] | 92 | NetworkStream::~NetworkStream() |
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[5598] | 93 | { |
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[6139] | 94 | if ( this->serverSocket ) |
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| 95 | { |
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| 96 | serverSocket->close(); |
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| 97 | delete serverSocket; |
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| 98 | } |
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[5723] | 99 | |
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[6139] | 100 | for (NetworkSocketVector::iterator i = networkSockets.begin(); i!=networkSockets.end(); i++) |
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| 101 | { |
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| 102 | if ( *i ) |
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| 103 | { |
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| 104 | (*i)->disconnectServer(); |
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| 105 | (*i)->destroy(); |
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| 106 | } |
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| 107 | } |
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[5723] | 108 | |
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[6139] | 109 | for (HandshakeVector::iterator i = handshakes.begin(); i!=handshakes.end(); i++) |
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| 110 | { |
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| 111 | if ( *i ) |
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| 112 | { |
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| 113 | delete (*i); |
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| 114 | } |
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| 115 | } |
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[5805] | 116 | |
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[5996] | 117 | delete connectionMonitor; |
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| 118 | delete networkProtocol; |
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[5598] | 119 | } |
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| 120 | |
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[5996] | 121 | |
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[6659] | 122 | void NetworkStream::createNetworkGameManager() |
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| 123 | { |
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| 124 | this->networkGameManager = NetworkGameManager::getInstance(); |
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| 125 | // setUniqueID( maxCon+2 ) because we need one id for every handshake |
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| 126 | // and one for handshake to reject client maxCon+1 |
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| 127 | this->networkGameManager->setUniqueID( this->maxConnections + 2 ); |
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[6661] | 128 | //this->connectSynchronizeable( *(this->networkGameManager) ); |
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[6659] | 129 | this->setMaxConnections( 10 ); |
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| 130 | } |
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| 131 | |
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| 132 | |
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[6660] | 133 | void NetworkStream::startHandshake() |
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| 134 | { |
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| 135 | Handshake* hs = new Handshake(false); |
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| 136 | hs->setUniqueID( 0 ); |
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| 137 | this->handshakes.push_back(hs); |
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| 138 | //this->connectSynchronizeable(*hs); |
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| 139 | PRINTF(0)("NetworkStream: %s\n", hs->getName()); |
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| 140 | } |
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| 141 | |
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| 142 | |
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[5996] | 143 | void NetworkStream::connectSynchronizeable(Synchronizeable& sync) |
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| 144 | { |
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[6139] | 145 | this->synchronizeables.push_back(&sync); |
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| 146 | sync.setNetworkStream( this ); |
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| 147 | |
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| 148 | if( this->networkSockets.size()>0 ) |
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[5996] | 149 | this->bActive = true; |
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| 150 | } |
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| 151 | |
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[6658] | 152 | |
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[6139] | 153 | void NetworkStream::disconnectSynchronizeable(Synchronizeable& sync) |
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| 154 | { |
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[6144] | 155 | // removing the Synchronizeable from the List. |
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| 156 | std::list<Synchronizeable*>::iterator disconnectSynchro = std::find(this->synchronizeables.begin(), this->synchronizeables.end(), &sync); |
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| 157 | if (disconnectSynchro != this->synchronizeables.end()) |
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| 158 | this->synchronizeables.erase(disconnectSynchro); |
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[5996] | 159 | |
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[6139] | 160 | if( this->networkSockets.size()<=0 ) |
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| 161 | this->bActive = false; |
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| 162 | } |
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| 163 | |
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| 164 | |
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[5604] | 165 | void NetworkStream::processData() |
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| 166 | { |
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[6139] | 167 | if ( this->type == NET_SERVER ) |
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| 168 | this->updateConnectionList(); |
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| 169 | else |
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| 170 | { |
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| 171 | if ( networkSockets[0] && !networkSockets[0]->isOk() ) |
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| 172 | { |
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| 173 | PRINTF(1)("lost connection to server\n"); |
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[5741] | 174 | |
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[6139] | 175 | //delete networkSockets[i]; |
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| 176 | networkSockets[0]->disconnectServer(); |
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| 177 | networkSockets[0]->destroy(); |
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| 178 | networkSockets[0] = NULL; |
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[6498] | 179 | |
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[6139] | 180 | if ( handshakes[0] ) |
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| 181 | delete handshakes[0]; |
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| 182 | handshakes[0] = NULL; |
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| 183 | } |
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| 184 | } |
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| 185 | |
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| 186 | for (int i = 0; i<handshakes.size(); i++) |
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| 187 | { |
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| 188 | if ( handshakes[i] ) |
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| 189 | { |
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| 190 | if ( handshakes[i]->completed() ) |
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| 191 | { |
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| 192 | if ( handshakes[i]->ok() ) |
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| 193 | { |
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| 194 | if ( type != NET_SERVER ) |
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| 195 | { |
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[6678] | 196 | SharedNetworkData::getInstance()->setHostID( handshakes[i]->getHostId() ); |
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[6139] | 197 | myHostId = NetworkManager::getInstance()->getHostID(); |
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[6341] | 198 | |
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| 199 | this->networkGameManager = NetworkGameManager::getInstance(); |
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| 200 | this->networkGameManager->setUniqueID( handshakes[i]->getNetworkGameManagerId() ); |
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[6661] | 201 | //this->connectSynchronizeable( *(this->networkGameManager) ); |
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[6139] | 202 | } |
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[6341] | 203 | else |
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| 204 | { |
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[6498] | 205 | |
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[6341] | 206 | } |
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| 207 | PRINT(0)("handshake finished id=%d\n", handshakes[i]->getNetworkGameManagerId()); |
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| 208 | |
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| 209 | |
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[6139] | 210 | delete handshakes[i]; |
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| 211 | handshakes[i] = NULL; |
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| 212 | } |
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| 213 | else |
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| 214 | { |
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| 215 | PRINT(1)("handshake failed!\n"); |
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| 216 | networkSockets[i]->disconnectServer(); |
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| 217 | delete handshakes[i]; |
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| 218 | handshakes[i] = NULL; |
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| 219 | //TODO: handle error |
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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 | |
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[5650] | 226 | /* DOWNSTREAM */ |
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[5800] | 227 | |
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[6658] | 228 | |
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| 229 | |
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[6139] | 230 | int dataLength; |
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| 231 | int reciever; |
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| 232 | Header header; |
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| 233 | for (SynchronizeableList::iterator it = synchronizeables.begin(); it!=synchronizeables.end(); it++) |
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[5996] | 234 | { |
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[6658] | 235 | if ( (*it)!=NULL && (*it)->beSynchronized() /*&& (*it)->getOwner() == myHostId*/ ) |
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[6139] | 236 | { |
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| 237 | do { |
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| 238 | reciever = 0; |
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| 239 | dataLength = (*it)->readBytes(downBuffer, DATA_STREAM_BUFFER_SIZE, &reciever); |
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[5730] | 240 | |
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[5800] | 241 | |
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[6139] | 242 | if ( dataLength<=0 ){ |
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| 243 | reciever = 0; |
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| 244 | continue; |
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| 245 | } |
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| 246 | |
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| 247 | dataLength = networkProtocol->createHeader((byte*)downBuffer, dataLength, DATA_STREAM_BUFFER_SIZE, static_cast<const Synchronizeable&>(*(*it))); |
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| 248 | |
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| 249 | Header* header = (Header*)downBuffer; |
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[6341] | 250 | if ( header->synchronizeableID < this->maxConnections+2 ) |
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| 251 | { |
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| 252 | //if ( !isServer() ) PRINTF(0)("RESET UNIQUEID FROM %d TO 0 maxCon=%d\n", header->synchronizeableID, this->maxConnections); |
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[6139] | 253 | header->synchronizeableID = 0; |
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[6341] | 254 | } |
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| 255 | else |
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| 256 | { |
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| 257 | //if ( !isServer() ) PRINTF(0)("UNIQUEID=%d\n", header->synchronizeableID); |
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| 258 | } |
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[6139] | 259 | |
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| 260 | if ( dataLength<=0 ) |
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| 261 | continue; |
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| 262 | |
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| 263 | if ( reciever!=0 ) |
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| 264 | { |
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| 265 | if ( networkSockets[reciever] != NULL ) |
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| 266 | { |
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[6498] | 267 | PRINTF(5)("write %d bytes to socket %d\n", dataLength, reciever); |
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[6139] | 268 | networkSockets[reciever]->writePacket(downBuffer, dataLength); |
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| 269 | } |
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| 270 | else |
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| 271 | { |
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| 272 | PRINTF(1)("networkSockets[reciever] == NULL\n"); |
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| 273 | } |
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| 274 | } |
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| 275 | else |
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| 276 | { |
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| 277 | for ( int i = 0; i<networkSockets.size(); i++) |
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| 278 | { |
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| 279 | if ( networkSockets[i] != NULL ) |
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| 280 | { |
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[6634] | 281 | PRINTF(5)("write %d bytes to socket %d\n", dataLength, i); |
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[6139] | 282 | networkSockets[i]->writePacket(downBuffer, dataLength); |
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| 283 | } |
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| 284 | } |
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| 285 | } |
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| 286 | |
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| 287 | } while( reciever!=0 ); |
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| 288 | } |
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[5996] | 289 | } |
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[5741] | 290 | |
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| 291 | /* UPSTREAM */ |
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[5809] | 292 | |
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[6139] | 293 | for ( int i = 0; i<networkSockets.size(); i++) |
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[5802] | 294 | { |
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[6139] | 295 | if ( networkSockets[i] ) |
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[5810] | 296 | { |
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[6139] | 297 | do { |
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| 298 | dataLength = networkSockets[i]->readPacket(upBuffer, DATA_STREAM_BUFFER_SIZE); |
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[5730] | 299 | |
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[6139] | 300 | if ( dataLength<=0 ) |
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| 301 | continue; |
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| 302 | |
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| 303 | header = networkProtocol->extractHeader(upBuffer, dataLength); |
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| 304 | dataLength -= sizeof(header); |
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| 305 | |
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[6498] | 306 | PRINTF(5)("read %d bytes from socket uniqueID = %d\n", dataLength, header.synchronizeableID); |
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[6341] | 307 | |
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[6139] | 308 | if ( dataLength != header.length ) |
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| 309 | { |
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| 310 | PRINTF(1)("packetsize in header and real packetsize do not match! %d:%d\n", dataLength, header.length); |
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| 311 | continue; |
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| 312 | } |
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| 313 | |
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| 314 | if ( header.synchronizeableID == 0 ) |
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| 315 | { |
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| 316 | header.synchronizeableID = i; |
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| 317 | } |
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| 318 | |
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| 319 | for (SynchronizeableList::iterator it = synchronizeables.begin(); it!=synchronizeables.end(); it++) |
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| 320 | { |
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| 321 | if ( *it && (*it)->getUniqueID()==header.synchronizeableID ) |
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[6341] | 322 | { |
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| 323 | if ( (*it)->writeBytes(upBuffer+sizeof(header), dataLength, i) != header.length ) |
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| 324 | { |
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[6634] | 325 | PRINTF(1)("%s did not read all the data id = %d!\n", (*it)->getClassName(), (*it)->getUniqueID()); |
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[6341] | 326 | break; |
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| 327 | } |
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| 328 | continue; |
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| 329 | } |
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[6139] | 330 | } |
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| 331 | |
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| 332 | } while ( dataLength>0 ); |
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[5810] | 333 | } |
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| 334 | } |
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[6139] | 335 | } |
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| 336 | |
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| 337 | void NetworkStream::updateConnectionList( ) |
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| 338 | { |
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| 339 | //check for new connections |
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| 340 | |
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| 341 | NetworkSocket* tempNetworkSocket = serverSocket->getNewSocket(); |
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| 342 | |
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| 343 | if ( tempNetworkSocket ) |
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[5810] | 344 | { |
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[6139] | 345 | int clientId; |
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| 346 | if ( freeSocketSlots.size() >0 ) |
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[5810] | 347 | { |
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[6139] | 348 | clientId = freeSocketSlots.back(); |
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| 349 | freeSocketSlots.pop_back(); |
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| 350 | networkSockets[clientId] = tempNetworkSocket; |
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[6341] | 351 | handshakes[clientId] = new Handshake(true, clientId, this->networkGameManager->getUniqueID()); |
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[6139] | 352 | handshakes[clientId]->setUniqueID(clientId); |
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| 353 | } else |
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| 354 | { |
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| 355 | clientId = networkSockets.size(); |
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| 356 | networkSockets.push_back(tempNetworkSocket); |
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[6341] | 357 | Handshake* tHs = new Handshake(true, clientId, this->networkGameManager->getUniqueID()); |
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[6139] | 358 | tHs->setUniqueID(clientId); |
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| 359 | handshakes.push_back(tHs); |
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| 360 | } |
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[5730] | 361 | |
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[6139] | 362 | if ( clientId > this->maxConnections ) |
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| 363 | { |
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| 364 | handshakes[clientId]->doReject(); |
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| 365 | PRINTF(0)("Will reject client %d because there are to many connections!\n", clientId); |
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[5810] | 366 | } |
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[6139] | 367 | else |
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| 368 | |
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| 369 | PRINTF(0)("New Client: %d\n", clientId); |
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| 370 | |
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[6661] | 371 | //this->connectSynchronizeable(*handshakes[clientId]); |
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[5802] | 372 | } |
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[5800] | 373 | |
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[5809] | 374 | |
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[6139] | 375 | //check if connections are ok else remove them |
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| 376 | for ( int i = 1; i<networkSockets.size(); i++) |
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| 377 | { |
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| 378 | if ( networkSockets[i] && !networkSockets[i]->isOk() ) |
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| 379 | { |
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| 380 | //TODO: tell EntityManager that this player left the game |
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| 381 | PRINTF(0)("Client is gone: %d\n", i); |
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| 382 | |
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| 383 | //delete networkSockets[i]; |
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| 384 | networkSockets[i]->disconnectServer(); |
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| 385 | networkSockets[i]->destroy(); |
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| 386 | networkSockets[i] = NULL; |
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[6498] | 387 | |
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[6139] | 388 | if ( handshakes[i] ) |
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| 389 | delete handshakes[i]; |
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| 390 | handshakes[i] = NULL; |
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| 391 | |
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| 392 | if ( i == networkSockets.size()-1 ) |
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| 393 | { |
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| 394 | networkSockets.pop_back(); |
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| 395 | handshakes.pop_back(); |
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| 396 | } |
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| 397 | else |
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| 398 | { |
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| 399 | freeSocketSlots.push_back(i); |
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| 400 | } |
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| 401 | } |
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| 402 | } |
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| 403 | |
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| 404 | |
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[5604] | 405 | } |
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[6139] | 406 | |
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| 407 | void NetworkStream::setMaxConnections( int n ) |
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| 408 | { |
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| 409 | if ( !this->isServer() ) |
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| 410 | { |
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| 411 | PRINTF(1)("Cannot set maxConnections because I am no server.\n"); |
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| 412 | } |
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| 413 | if ( this->networkSockets.size() > 1 ) |
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| 414 | { |
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| 415 | PRINTF(1)("Cannot set maxConnections because there are already %d connections.\n", this->networkSockets.size()); |
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| 416 | return; |
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| 417 | } |
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[6341] | 418 | |
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| 419 | if ( n > MAX_CONNECTIONS ) |
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| 420 | { |
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| 421 | PRINTF(1)("Cannot set maxConnectiosn to %d because of hardcoded limit %d\n", n, MAX_CONNECTIONS); |
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| 422 | return; |
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| 423 | } |
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| 424 | |
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[6139] | 425 | this->maxConnections = n; |
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[6341] | 426 | this->networkGameManager->setUniqueID( n+2 ); |
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[6139] | 427 | } |
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| 428 | |
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| 429 | |
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[6658] | 430 | |
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| 431 | void NetworkStream::debug() |
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| 432 | { |
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[6660] | 433 | if( this->isServer()) |
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| 434 | PRINT(0)(" Host ist Server with ID: %i\n", this->myHostId); |
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| 435 | else |
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| 436 | PRINT(0)(" Host ist Client with ID: %i\n", this->myHostId); |
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[6658] | 437 | |
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[6660] | 438 | PRINT(0)(" Got %i connected Synchronizeables, showing active Syncs:\n", this->synchronizeables.size()); |
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[6658] | 439 | for (SynchronizeableList::iterator it = synchronizeables.begin(); it!=synchronizeables.end(); it++) |
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| 440 | { |
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[6673] | 441 | if( (*it)->beSynchronized() == true) |
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[6660] | 442 | PRINT(0)(" Synchronizeable of class: %s::%s, with unique ID: %i, Synchronize: %i\n", (*it)->getClassName(), (*it)->getName(), |
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| 443 | (*it)->getUniqueID(), (*it)->beSynchronized()); |
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[6658] | 444 | } |
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| 445 | PRINT(0)(" Maximal Connections: %i\n", this->maxConnections); |
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| 446 | |
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| 447 | } |
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| 448 | |
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| 449 | |
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[6672] | 450 | int NetworkStream::getSyncCount() |
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| 451 | { |
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| 452 | int n = 0; |
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| 453 | for (SynchronizeableList::iterator it = synchronizeables.begin(); it!=synchronizeables.end(); it++) |
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| 454 | if( (*it)->beSynchronized() == true) |
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| 455 | ++n; |
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[6658] | 456 | |
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[6672] | 457 | //return synchronizeables.size(); |
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| 458 | return n; |
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| 459 | } |
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[6658] | 460 | |
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| 461 | |
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| 462 | |
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| 463 | |
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| 464 | |
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| 465 | |
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