[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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[7565] | 25 | #include "udp_socket.h" |
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| 26 | #include "udp_server_socket.h" |
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[5647] | 27 | #include "connection_monitor.h" |
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| 28 | #include "synchronizeable.h" |
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[6341] | 29 | #include "network_game_manager.h" |
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[6959] | 30 | #include "shared_network_data.h" |
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[7671] | 31 | #include "message_manager.h" |
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[7851] | 32 | #include "preferences.h" |
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| 33 | #include "zip.h" |
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[6341] | 34 | |
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[7851] | 35 | #include "src/lib/util/loading/resource_manager.h" |
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| 36 | |
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[7748] | 37 | #include "network_log.h" |
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| 38 | |
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| 39 | |
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[7565] | 40 | #include "lib/util/loading/factory.h" |
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| 41 | |
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[5649] | 42 | #include "debug.h" |
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[6139] | 43 | #include "class_list.h" |
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[6144] | 44 | #include <algorithm> |
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[5647] | 45 | |
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[5566] | 46 | /* include your own header */ |
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| 47 | #include "network_stream.h" |
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| 48 | |
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[5595] | 49 | /* probably unnecessary */ |
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[5594] | 50 | using namespace std; |
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| 51 | |
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[5595] | 52 | |
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[5747] | 53 | #define PACKAGE_SIZE 256 |
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[5647] | 54 | |
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[5747] | 55 | |
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[5800] | 56 | NetworkStream::NetworkStream() |
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[5996] | 57 | : DataStream() |
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[5647] | 58 | { |
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| 59 | this->init(); |
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[5648] | 60 | /* initialize the references */ |
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[5996] | 61 | this->type = NET_CLIENT; |
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[5647] | 62 | } |
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| 63 | |
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[6695] | 64 | |
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[7540] | 65 | NetworkStream::NetworkStream( std::string host, int port ) |
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[5996] | 66 | { |
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[6139] | 67 | this->type = NET_CLIENT; |
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[5996] | 68 | this->init(); |
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[7565] | 69 | this->peers[0].socket = new UdpSocket( host, port ); |
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[7631] | 70 | this->peers[0].userId = 0; |
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| 71 | this->peers[0].isServer = true; |
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[7767] | 72 | this->peers[0].connectionMonitor = new ConnectionMonitor( 0 ); |
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[5996] | 73 | } |
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| 74 | |
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| 75 | |
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[7565] | 76 | NetworkStream::NetworkStream( int port ) |
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[5647] | 77 | { |
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[6139] | 78 | this->type = NET_SERVER; |
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[5647] | 79 | this->init(); |
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[7565] | 80 | this->serverSocket = new UdpServerSocket(port); |
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[5996] | 81 | this->bActive = true; |
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[5649] | 82 | } |
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| 83 | |
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| 84 | |
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[5647] | 85 | void NetworkStream::init() |
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| 86 | { |
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| 87 | /* set the class id for the base object */ |
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| 88 | this->setClassID(CL_NETWORK_STREAM, "NetworkStream"); |
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[5996] | 89 | this->bActive = false; |
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[6139] | 90 | this->serverSocket = NULL; |
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[6341] | 91 | this->networkGameManager = NULL; |
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[6139] | 92 | myHostId = 0; |
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[7565] | 93 | currentState = 0; |
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[7851] | 94 | |
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| 95 | remainingBytesToWriteToDict = Preferences::getInstance()->getInt( "compression", "writedict", 0 ); |
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| 96 | |
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| 97 | assert( Zip::getInstance()->loadDictionary( "testdict" ) ); |
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[5594] | 98 | } |
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| 99 | |
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[5647] | 100 | |
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[5566] | 101 | NetworkStream::~NetworkStream() |
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[5598] | 102 | { |
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[6139] | 103 | if ( this->serverSocket ) |
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| 104 | { |
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| 105 | serverSocket->close(); |
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| 106 | delete serverSocket; |
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| 107 | } |
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[5723] | 108 | |
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[7565] | 109 | for ( PeerList::iterator i = peers.begin(); i!=peers.end(); i++) |
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[6139] | 110 | { |
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[7565] | 111 | if ( i->second.socket ) |
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[6139] | 112 | { |
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[7565] | 113 | i->second.socket->disconnectServer(); |
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| 114 | delete i->second.socket; |
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| 115 | i->second.socket = NULL; |
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[6139] | 116 | } |
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[7565] | 117 | |
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| 118 | if ( i->second.handshake ) |
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[6139] | 119 | { |
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[7565] | 120 | delete i->second.handshake; |
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| 121 | i->second.handshake = NULL; |
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[6139] | 122 | } |
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| 123 | } |
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[7565] | 124 | |
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| 125 | if ( serverSocket ) |
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| 126 | { |
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| 127 | delete serverSocket; |
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| 128 | serverSocket = NULL; |
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| 129 | } |
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[5805] | 130 | |
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[5598] | 131 | } |
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| 132 | |
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[5996] | 133 | |
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[6695] | 134 | void NetworkStream::createNetworkGameManager() |
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| 135 | { |
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| 136 | this->networkGameManager = NetworkGameManager::getInstance(); |
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| 137 | // setUniqueID( maxCon+2 ) because we need one id for every handshake |
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| 138 | // and one for handshake to reject client maxCon+1 |
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[7684] | 139 | this->networkGameManager->setUniqueID( SharedNetworkData::getInstance()->getNewUniqueID() ); |
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[7681] | 140 | MessageManager::getInstance()->setUniqueID( SharedNetworkData::getInstance()->getNewUniqueID() ); |
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[6695] | 141 | } |
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| 142 | |
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| 143 | |
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| 144 | void NetworkStream::startHandshake() |
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| 145 | { |
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| 146 | Handshake* hs = new Handshake(false); |
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| 147 | hs->setUniqueID( 0 ); |
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[7565] | 148 | assert( peers[0].handshake == NULL ); |
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| 149 | peers[0].handshake = hs; |
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[7575] | 150 | // peers[0].handshake->setSynchronized( true ); |
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[6695] | 151 | //this->connectSynchronizeable(*hs); |
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[7591] | 152 | //this->connectSynchronizeable(*hs); |
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[7575] | 153 | PRINTF(0)("NetworkStream: Handshake created: %s\n", hs->getName()); |
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[6695] | 154 | } |
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| 155 | |
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| 156 | |
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[5996] | 157 | void NetworkStream::connectSynchronizeable(Synchronizeable& sync) |
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| 158 | { |
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[6139] | 159 | this->synchronizeables.push_back(&sync); |
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| 160 | sync.setNetworkStream( this ); |
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| 161 | |
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[7565] | 162 | this->bActive = true; |
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[5996] | 163 | } |
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| 164 | |
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[6695] | 165 | |
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[6139] | 166 | void NetworkStream::disconnectSynchronizeable(Synchronizeable& sync) |
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| 167 | { |
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[6144] | 168 | // removing the Synchronizeable from the List. |
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| 169 | std::list<Synchronizeable*>::iterator disconnectSynchro = std::find(this->synchronizeables.begin(), this->synchronizeables.end(), &sync); |
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| 170 | if (disconnectSynchro != this->synchronizeables.end()) |
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| 171 | this->synchronizeables.erase(disconnectSynchro); |
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[7602] | 172 | |
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[7767] | 173 | oldSynchronizeables[sync.getUniqueID()] = SDL_GetTicks(); |
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[6139] | 174 | } |
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| 175 | |
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| 176 | |
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[5604] | 177 | void NetworkStream::processData() |
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| 178 | { |
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[7565] | 179 | currentState++; |
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| 180 | |
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[6139] | 181 | if ( this->type == NET_SERVER ) |
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[7571] | 182 | { |
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| 183 | if ( serverSocket ) |
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| 184 | serverSocket->update(); |
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| 185 | |
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[6139] | 186 | this->updateConnectionList(); |
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[7571] | 187 | } |
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[6139] | 188 | else |
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| 189 | { |
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[7872] | 190 | if ( peers[0].socket && ( !peers[0].socket->isOk() || peers[0].connectionMonitor->hasTimedOut() ) ) |
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[6139] | 191 | { |
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| 192 | PRINTF(1)("lost connection to server\n"); |
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[5741] | 193 | |
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[7565] | 194 | peers[0].socket->disconnectServer(); |
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| 195 | delete peers[0].socket; |
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| 196 | peers[0].socket = NULL; |
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[6498] | 197 | |
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[7565] | 198 | if ( peers[0].handshake ) |
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| 199 | delete peers[0].handshake; |
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| 200 | peers[0].handshake = NULL; |
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[6139] | 201 | } |
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| 202 | } |
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| 203 | |
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[7767] | 204 | cleanUpOldSyncList(); |
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[7575] | 205 | handleHandshakes(); |
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[7792] | 206 | |
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[7800] | 207 | // order of up/downstream is important!!!! |
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| 208 | // don't change it |
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[7792] | 209 | handleDownstream(); |
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[7701] | 210 | handleUpstream(); |
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[6341] | 211 | |
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[6139] | 212 | } |
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| 213 | |
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| 214 | void NetworkStream::updateConnectionList( ) |
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| 215 | { |
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| 216 | //check for new connections |
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| 217 | |
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| 218 | NetworkSocket* tempNetworkSocket = serverSocket->getNewSocket(); |
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| 219 | |
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| 220 | if ( tempNetworkSocket ) |
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[5810] | 221 | { |
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[6139] | 222 | int clientId; |
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| 223 | if ( freeSocketSlots.size() >0 ) |
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[5810] | 224 | { |
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[6139] | 225 | clientId = freeSocketSlots.back(); |
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| 226 | freeSocketSlots.pop_back(); |
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[7565] | 227 | peers[clientId].socket = tempNetworkSocket; |
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[7681] | 228 | peers[clientId].handshake = new Handshake(true, clientId, this->networkGameManager->getUniqueID(), MessageManager::getInstance()->getUniqueID() ); |
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[7767] | 229 | peers[clientId].connectionMonitor = new ConnectionMonitor( clientId ); |
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[7565] | 230 | peers[clientId].handshake->setUniqueID(clientId); |
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| 231 | peers[clientId].userId = clientId; |
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[7631] | 232 | peers[clientId].isServer = false; |
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[6139] | 233 | } else |
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| 234 | { |
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[7575] | 235 | clientId = 1; |
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[7565] | 236 | |
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| 237 | for ( PeerList::iterator it = peers.begin(); it != peers.end(); it++ ) |
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| 238 | if ( it->first >= clientId ) |
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| 239 | clientId = it->first + 1; |
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| 240 | |
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| 241 | peers[clientId].socket = tempNetworkSocket; |
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[7681] | 242 | peers[clientId].handshake = new Handshake(true, clientId, this->networkGameManager->getUniqueID(), MessageManager::getInstance()->getUniqueID()); |
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[7565] | 243 | peers[clientId].handshake->setUniqueID(clientId); |
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[7767] | 244 | peers[clientId].connectionMonitor = new ConnectionMonitor( clientId ); |
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[7565] | 245 | peers[clientId].userId = clientId; |
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[7631] | 246 | peers[clientId].isServer = false; |
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[7613] | 247 | |
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| 248 | PRINTF(0)("num sync: %d\n", synchronizeables.size()); |
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[6139] | 249 | } |
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[5730] | 250 | |
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[7575] | 251 | if ( clientId > MAX_CONNECTIONS ) |
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[6139] | 252 | { |
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[7565] | 253 | peers[clientId].handshake->doReject( "too many connections" ); |
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[6139] | 254 | PRINTF(0)("Will reject client %d because there are to many connections!\n", clientId); |
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[5810] | 255 | } |
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[6139] | 256 | else |
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| 257 | |
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| 258 | PRINTF(0)("New Client: %d\n", clientId); |
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| 259 | |
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[6695] | 260 | //this->connectSynchronizeable(*handshakes[clientId]); |
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[5802] | 261 | } |
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[5800] | 262 | |
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[6139] | 263 | //check if connections are ok else remove them |
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[7565] | 264 | for ( PeerList::iterator it = peers.begin(); it != peers.end(); it++ ) |
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[6139] | 265 | { |
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[7767] | 266 | if ( |
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[7792] | 267 | it->second.socket && |
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| 268 | ( |
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| 269 | !it->second.socket->isOk() || |
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| 270 | it->second.connectionMonitor->hasTimedOut() |
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| 271 | ) |
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[7767] | 272 | ) |
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[6139] | 273 | { |
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[7872] | 274 | std::string reason = "disconnected"; |
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| 275 | if ( it->second.connectionMonitor->hasTimedOut() ) |
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| 276 | reason = "timeout"; |
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| 277 | PRINTF(0)("Client is gone: %d (%s)\n", it->second.userId, reason.c_str()); |
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| 278 | |
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| 279 | assert(false); |
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[6139] | 280 | |
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[7565] | 281 | it->second.socket->disconnectServer(); |
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| 282 | delete it->second.socket; |
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| 283 | it->second.socket = NULL; |
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[6498] | 284 | |
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[7565] | 285 | if ( it->second.handshake ) |
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| 286 | delete it->second.handshake; |
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| 287 | it->second.handshake = NULL; |
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[7631] | 288 | |
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| 289 | for ( SynchronizeableList::iterator it2 = synchronizeables.begin(); it2 != synchronizeables.end(); it2++ ) |
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| 290 | { |
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| 291 | (*it2)->cleanUpUser( it->second.userId ); |
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| 292 | } |
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[6139] | 293 | |
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[7565] | 294 | NetworkGameManager::getInstance()->signalLeftPlayer(it->second.userId); |
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[6737] | 295 | |
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[7565] | 296 | freeSocketSlots.push_back( it->second.userId ); |
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| 297 | |
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[6139] | 298 | } |
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| 299 | } |
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| 300 | |
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| 301 | |
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[5604] | 302 | } |
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[6139] | 303 | |
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[6695] | 304 | void NetworkStream::debug() |
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| 305 | { |
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| 306 | if( this->isServer()) |
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| 307 | PRINT(0)(" Host ist Server with ID: %i\n", this->myHostId); |
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| 308 | else |
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| 309 | PRINT(0)(" Host ist Client with ID: %i\n", this->myHostId); |
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| 310 | |
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| 311 | PRINT(0)(" Got %i connected Synchronizeables, showing active Syncs:\n", this->synchronizeables.size()); |
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| 312 | for (SynchronizeableList::iterator it = synchronizeables.begin(); it!=synchronizeables.end(); it++) |
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| 313 | { |
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| 314 | if( (*it)->beSynchronized() == true) |
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| 315 | PRINT(0)(" Synchronizeable of class: %s::%s, with unique ID: %i, Synchronize: %i\n", (*it)->getClassName(), (*it)->getName(), |
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| 316 | (*it)->getUniqueID(), (*it)->beSynchronized()); |
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| 317 | } |
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[7575] | 318 | PRINT(0)(" Maximal Connections: %i\n", MAX_CONNECTIONS ); |
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[6695] | 319 | |
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| 320 | } |
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| 321 | |
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| 322 | |
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| 323 | int NetworkStream::getSyncCount() |
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| 324 | { |
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| 325 | int n = 0; |
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| 326 | for (SynchronizeableList::iterator it = synchronizeables.begin(); it!=synchronizeables.end(); it++) |
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| 327 | if( (*it)->beSynchronized() == true) |
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| 328 | ++n; |
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| 329 | |
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| 330 | //return synchronizeables.size(); |
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| 331 | return n; |
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| 332 | } |
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| 333 | |
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[7565] | 334 | /** |
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| 335 | * check if handshakes completed |
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| 336 | */ |
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| 337 | void NetworkStream::handleHandshakes( ) |
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| 338 | { |
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| 339 | for ( PeerList::iterator it = peers.begin(); it != peers.end(); it++ ) |
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| 340 | { |
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| 341 | if ( it->second.handshake ) |
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| 342 | { |
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| 343 | if ( it->second.handshake->completed() ) |
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| 344 | { |
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| 345 | if ( it->second.handshake->ok() ) |
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| 346 | { |
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[7872] | 347 | if ( !it->second.handshake->allowDel() ) |
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[7565] | 348 | { |
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[7872] | 349 | if ( type != NET_SERVER ) |
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| 350 | { |
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| 351 | SharedNetworkData::getInstance()->setHostID( it->second.handshake->getHostId() ); |
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| 352 | myHostId = SharedNetworkData::getInstance()->getHostID(); |
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[6695] | 353 | |
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[7872] | 354 | this->networkGameManager = NetworkGameManager::getInstance(); |
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| 355 | this->networkGameManager->setUniqueID( it->second.handshake->getNetworkGameManagerId() ); |
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| 356 | MessageManager::getInstance()->setUniqueID( it->second.handshake->getMessageManagerId() ); |
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| 357 | } |
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| 358 | |
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| 359 | |
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| 360 | PRINT(0)("handshake finished id=%d\n", it->second.handshake->getNetworkGameManagerId()); |
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| 361 | |
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| 362 | it->second.handshake->del(); |
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[7773] | 363 | } |
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[7792] | 364 | else |
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[7872] | 365 | { |
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| 366 | if ( it->second.handshake->canDel() ) |
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| 367 | { |
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| 368 | if ( type == NET_SERVER ) |
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| 369 | { |
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| 370 | handleNewClient( it->second.userId ); |
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| 371 | } |
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| 372 | |
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| 373 | PRINT(0)("handshake finished delete it\n"); |
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| 374 | delete it->second.handshake; |
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| 375 | it->second.handshake = NULL; |
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| 376 | } |
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| 377 | } |
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[6695] | 378 | |
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[7565] | 379 | } |
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| 380 | else |
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| 381 | { |
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[7778] | 382 | PRINT(1)("handshake failed!\n"); |
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[7565] | 383 | it->second.socket->disconnectServer(); |
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| 384 | } |
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| 385 | } |
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| 386 | } |
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| 387 | } |
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| 388 | } |
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[6695] | 389 | |
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[7565] | 390 | /** |
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| 391 | * handle upstream network traffic |
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| 392 | */ |
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| 393 | void NetworkStream::handleUpstream( ) |
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| 394 | { |
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| 395 | int offset; |
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| 396 | int n; |
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| 397 | |
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| 398 | for ( PeerList::iterator peer = peers.begin(); peer != peers.end(); peer++ ) |
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| 399 | { |
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| 400 | offset = INTSIZE; //make already space for length |
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| 401 | |
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[7575] | 402 | if ( !peer->second.socket ) |
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[7565] | 403 | continue; |
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| 404 | |
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| 405 | n = Converter::intToByteArray( currentState, buf + offset, UDP_PACKET_SIZE - offset ); |
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| 406 | assert( n == INTSIZE ); |
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| 407 | offset += n; |
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| 408 | |
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| 409 | n = Converter::intToByteArray( peer->second.lastAckedState, buf + offset, UDP_PACKET_SIZE - offset ); |
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| 410 | assert( n == INTSIZE ); |
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| 411 | offset += n; |
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| 412 | |
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| 413 | n = Converter::intToByteArray( peer->second.lastRecvedState, buf + offset, UDP_PACKET_SIZE - offset ); |
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| 414 | assert( n == INTSIZE ); |
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| 415 | offset += n; |
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| 416 | |
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| 417 | for ( SynchronizeableList::iterator it = synchronizeables.begin(); it != synchronizeables.end(); it++ ) |
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| 418 | { |
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[7802] | 419 | int oldOffset = offset; |
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[7565] | 420 | Synchronizeable & sync = **it; |
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[7591] | 421 | |
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[7575] | 422 | if ( !sync.beSynchronized() || sync.getUniqueID() < 0 ) |
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| 423 | continue; |
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| 424 | |
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| 425 | //if handshake not finished only sync handshake |
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| 426 | if ( peer->second.handshake && sync.getLeafClassID() != CL_HANDSHAKE ) |
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| 427 | continue; |
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[7591] | 428 | |
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| 429 | if ( isServer() && sync.getLeafClassID() == CL_HANDSHAKE && sync.getUniqueID() != peer->second.userId ) |
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| 430 | continue; |
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[7614] | 431 | |
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| 432 | //do not sync null parent |
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| 433 | if ( sync.getLeafClassID() == CL_NULL_PARENT ) |
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| 434 | continue; |
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[7575] | 435 | |
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[7565] | 436 | assert( offset + INTSIZE <= UDP_PACKET_SIZE ); |
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| 437 | |
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[7575] | 438 | //server fakes uniqueid=0 for handshake |
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| 439 | if ( this->isServer() && sync.getUniqueID() < MAX_CONNECTIONS - 1 ) |
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| 440 | n = Converter::intToByteArray( 0, buf + offset, UDP_PACKET_SIZE - offset ); |
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| 441 | else |
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| 442 | n = Converter::intToByteArray( sync.getUniqueID(), buf + offset, UDP_PACKET_SIZE - offset ); |
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[7565] | 443 | assert( n == INTSIZE ); |
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| 444 | offset += n; |
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| 445 | |
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[7602] | 446 | //make space for size |
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| 447 | offset += INTSIZE; |
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[7614] | 448 | |
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[7731] | 449 | n = sync.getStateDiff( peer->second.userId, buf + offset, UDP_PACKET_SIZE-offset, currentState, peer->second.lastAckedState, -1000 ); |
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[7602] | 450 | offset += n; |
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[7872] | 451 | //NETPRINTF(0)("GGGGGEEEEETTTTT: %s (%d) %d\n",sync.getClassName(), sync.getUniqueID(), n); |
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[7602] | 452 | |
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[7614] | 453 | assert( Converter::intToByteArray( n, buf + offset - n - INTSIZE, INTSIZE ) == INTSIZE ); |
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[7800] | 454 | |
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[7872] | 455 | //check if all bytes == 0 -> remove data |
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[7952] | 456 | //TODO not all synchronizeables like this maybe add Synchronizeable::canRemoveZeroDiff() |
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[7872] | 457 | bool allZero = true; |
---|
| 458 | for ( int i = 0; i < n; i++ ) |
---|
| 459 | { |
---|
| 460 | if ( buf[i+oldOffset+2*INTSIZE] != 0 ) |
---|
| 461 | allZero = false; |
---|
| 462 | } |
---|
| 463 | |
---|
| 464 | if ( allZero ) |
---|
| 465 | { |
---|
[7952] | 466 | //NETPRINTF(n)("REMOVE ZERO DIFF: %s (%d)\n", sync.getClassName(), sync.getUniqueID()); |
---|
[7872] | 467 | offset = oldOffset; |
---|
| 468 | } |
---|
| 469 | |
---|
| 470 | |
---|
[7565] | 471 | } |
---|
| 472 | |
---|
[7872] | 473 | for ( SynchronizeableList::iterator it = synchronizeables.begin(); it != synchronizeables.end(); it++ ) |
---|
| 474 | { |
---|
| 475 | Synchronizeable & sync = **it; |
---|
| 476 | |
---|
| 477 | if ( !sync.beSynchronized() || sync.getUniqueID() < 0 ) |
---|
| 478 | continue; |
---|
| 479 | |
---|
| 480 | sync.handleSentState( peer->second.userId, currentState, peer->second.lastAckedState ); |
---|
| 481 | } |
---|
| 482 | |
---|
[7565] | 483 | assert( Converter::intToByteArray( offset, buf, INTSIZE ) == INTSIZE ); |
---|
| 484 | |
---|
[7851] | 485 | int compLength = Zip::getInstance()->zip( buf, offset, compBuf, UDP_PACKET_SIZE ); |
---|
[7767] | 486 | |
---|
[7851] | 487 | if ( compLength < 0 ) |
---|
| 488 | { |
---|
| 489 | PRINTF(1)("compression failed!\n"); |
---|
| 490 | continue; |
---|
| 491 | } |
---|
| 492 | |
---|
| 493 | assert( peer->second.socket->writePacket( compBuf, compLength ) ); |
---|
| 494 | |
---|
| 495 | if ( this->remainingBytesToWriteToDict > 0 ) |
---|
| 496 | writeToNewDict( buf, offset ); |
---|
| 497 | |
---|
[7778] | 498 | peer->second.connectionMonitor->processUnzippedOutgoingPacket( buf, offset, currentState ); |
---|
[7851] | 499 | peer->second.connectionMonitor->processZippedOutgoingPacket( compBuf, compLength, currentState ); |
---|
[7777] | 500 | |
---|
[7952] | 501 | //NETPRINTF(n)("send packet: %d userId = %d\n", offset, peer->second.userId); |
---|
[7565] | 502 | } |
---|
| 503 | } |
---|
| 504 | |
---|
| 505 | /** |
---|
| 506 | * handle downstream network traffic |
---|
| 507 | */ |
---|
| 508 | void NetworkStream::handleDownstream( ) |
---|
| 509 | { |
---|
| 510 | int offset = 0; |
---|
| 511 | |
---|
| 512 | int length = 0; |
---|
| 513 | int packetLength = 0; |
---|
[7851] | 514 | int compLength = 0; |
---|
[7565] | 515 | int uniqueId = 0; |
---|
| 516 | int state = 0; |
---|
| 517 | int ackedState = 0; |
---|
| 518 | int fromState = 0; |
---|
[7602] | 519 | int syncDataLength = 0; |
---|
[7565] | 520 | |
---|
| 521 | for ( PeerList::iterator peer = peers.begin(); peer != peers.end(); peer++ ) |
---|
| 522 | { |
---|
[7614] | 523 | |
---|
[7575] | 524 | if ( !peer->second.socket ) |
---|
| 525 | continue; |
---|
| 526 | |
---|
[7851] | 527 | while ( 0 < (compLength = peer->second.socket->readPacket( compBuf, UDP_PACKET_SIZE )) ) |
---|
[7659] | 528 | { |
---|
[7872] | 529 | //PRINTF(0)("GGGGGOOOOOOOOOOTTTTTTTT: %d\n", compLength); |
---|
[7851] | 530 | packetLength = Zip::getInstance()->unZip( compBuf, compLength, buf, UDP_PACKET_SIZE ); |
---|
| 531 | |
---|
[7659] | 532 | if ( packetLength < 4*INTSIZE ) |
---|
| 533 | { |
---|
| 534 | if ( packetLength != 0 ) |
---|
| 535 | PRINTF(1)("got too small packet: %d\n", packetLength); |
---|
| 536 | continue; |
---|
| 537 | } |
---|
[7851] | 538 | |
---|
| 539 | if ( this->remainingBytesToWriteToDict > 0 ) |
---|
| 540 | writeToNewDict( buf, packetLength ); |
---|
[7565] | 541 | |
---|
[7659] | 542 | assert( Converter::byteArrayToInt( buf, &length ) == INTSIZE ); |
---|
| 543 | assert( Converter::byteArrayToInt( buf + INTSIZE, &state ) == INTSIZE ); |
---|
| 544 | assert( Converter::byteArrayToInt( buf + 2*INTSIZE, &fromState ) == INTSIZE ); |
---|
| 545 | assert( Converter::byteArrayToInt( buf + 3*INTSIZE, &ackedState ) == INTSIZE ); |
---|
[7952] | 546 | //NETPRINTF(n)("ackedstate: %d\n", ackedState); |
---|
[7659] | 547 | offset = 4*INTSIZE; |
---|
[7575] | 548 | |
---|
[7952] | 549 | //NETPRINTF(n)("got packet: %d, %d\n", length, packetLength); |
---|
[7565] | 550 | |
---|
| 551 | //if this is an old state drop it |
---|
[7659] | 552 | if ( state <= peer->second.lastRecvedState ) |
---|
| 553 | continue; |
---|
[7565] | 554 | |
---|
[7659] | 555 | if ( packetLength != length ) |
---|
| 556 | { |
---|
| 557 | PRINTF(1)("real packet length (%d) and transmitted packet length (%d) do not match!\n", packetLength, length); |
---|
| 558 | peer->second.socket->disconnectServer(); |
---|
| 559 | continue; |
---|
| 560 | } |
---|
[7731] | 561 | |
---|
[7803] | 562 | while ( offset + 2*INTSIZE < length ) |
---|
[7659] | 563 | { |
---|
[7809] | 564 | assert( offset > 0 ); |
---|
[7659] | 565 | assert( Converter::byteArrayToInt( buf + offset, &uniqueId ) == INTSIZE ); |
---|
| 566 | offset += INTSIZE; |
---|
[7565] | 567 | |
---|
[7659] | 568 | assert( Converter::byteArrayToInt( buf + offset, &syncDataLength ) == INTSIZE ); |
---|
| 569 | offset += INTSIZE; |
---|
[7809] | 570 | |
---|
| 571 | assert( syncDataLength > 0 ); |
---|
[7872] | 572 | assert( syncDataLength < 10000 ); |
---|
[7602] | 573 | |
---|
[7659] | 574 | Synchronizeable * sync = NULL; |
---|
[7731] | 575 | |
---|
[7659] | 576 | for ( SynchronizeableList::iterator it = synchronizeables.begin(); it != synchronizeables.end(); it++ ) |
---|
| 577 | { |
---|
[7575] | 578 | // client thinks his handshake has id 0!!!!! |
---|
[7659] | 579 | if ( (*it)->getUniqueID() == uniqueId || ( uniqueId == 0 && (*it)->getUniqueID() == peer->second.userId ) ) |
---|
| 580 | { |
---|
| 581 | sync = *it; |
---|
| 582 | break; |
---|
| 583 | } |
---|
[7565] | 584 | } |
---|
[7731] | 585 | |
---|
[7659] | 586 | if ( sync == NULL ) |
---|
[7602] | 587 | { |
---|
[7792] | 588 | PRINTF(0)("could not find sync with id %d. try to create it\n", uniqueId); |
---|
[7659] | 589 | if ( oldSynchronizeables.find( uniqueId ) != oldSynchronizeables.end() ) |
---|
| 590 | { |
---|
| 591 | offset += syncDataLength; |
---|
| 592 | continue; |
---|
| 593 | } |
---|
[7872] | 594 | |
---|
[7767] | 595 | if ( !peers[peer->second.userId].isServer ) |
---|
| 596 | { |
---|
| 597 | offset += syncDataLength; |
---|
| 598 | continue; |
---|
| 599 | } |
---|
| 600 | |
---|
[7659] | 601 | int leafClassId; |
---|
| 602 | if ( INTSIZE > length - offset ) |
---|
| 603 | { |
---|
| 604 | offset += syncDataLength; |
---|
| 605 | continue; |
---|
| 606 | } |
---|
[7731] | 607 | |
---|
[7659] | 608 | Converter::byteArrayToInt( buf + offset, &leafClassId ); |
---|
[7792] | 609 | |
---|
| 610 | assert( leafClassId != 0 ); |
---|
[7565] | 611 | |
---|
[7792] | 612 | BaseObject * b = NULL; |
---|
[7659] | 613 | /* These are some small exeptions in creation: Not all objects can/should be created via Factory */ |
---|
| 614 | /* Exception 1: NullParent */ |
---|
[7792] | 615 | if( leafClassId == CL_NULL_PARENT || leafClassId == CL_SYNCHRONIZEABLE || leafClassId == CL_NETWORK_GAME_MANAGER ) |
---|
[7659] | 616 | { |
---|
| 617 | PRINTF(1)("Can not create Class with ID %x!\n", (int)leafClassId); |
---|
| 618 | offset += syncDataLength; |
---|
| 619 | continue; |
---|
| 620 | } |
---|
| 621 | else |
---|
| 622 | b = Factory::fabricate( (ClassID)leafClassId ); |
---|
[7565] | 623 | |
---|
[7659] | 624 | if ( !b ) |
---|
| 625 | { |
---|
| 626 | PRINTF(1)("Could not fabricate Object with classID %x\n", leafClassId); |
---|
| 627 | offset += syncDataLength; |
---|
| 628 | continue; |
---|
| 629 | } |
---|
[7731] | 630 | |
---|
[7659] | 631 | if ( b->isA(CL_SYNCHRONIZEABLE) ) |
---|
| 632 | { |
---|
| 633 | sync = dynamic_cast<Synchronizeable*>(b); |
---|
| 634 | sync->setUniqueID( uniqueId ); |
---|
| 635 | sync->setSynchronized(true); |
---|
[7565] | 636 | |
---|
[7659] | 637 | PRINTF(0)("Fabricated %s with id %d\n", sync->getClassName(), sync->getUniqueID()); |
---|
| 638 | } |
---|
| 639 | else |
---|
| 640 | { |
---|
| 641 | PRINTF(1)("Class with ID %x is not a synchronizeable!\n", (int)leafClassId); |
---|
| 642 | delete b; |
---|
| 643 | offset += syncDataLength; |
---|
| 644 | continue; |
---|
| 645 | } |
---|
[7565] | 646 | } |
---|
[7659] | 647 | |
---|
[7806] | 648 | int n = sync->setStateDiff( peer->second.userId, buf+offset, syncDataLength, state, fromState ); |
---|
| 649 | offset += n; |
---|
[7872] | 650 | //NETPRINTF(0)("SSSSSEEEEETTTTT: %s %d\n",sync->getClassName(), n); |
---|
| 651 | |
---|
[7565] | 652 | } |
---|
[7731] | 653 | |
---|
[7659] | 654 | if ( offset != length ) |
---|
| 655 | { |
---|
[7731] | 656 | PRINTF(0)("offset (%d) != length (%d)\n", offset, length); |
---|
[7659] | 657 | peer->second.socket->disconnectServer(); |
---|
| 658 | } |
---|
[7731] | 659 | |
---|
[7872] | 660 | //TODO REMOVE THIS |
---|
| 661 | int saveOffset = offset; |
---|
| 662 | |
---|
| 663 | for ( SynchronizeableList::iterator it = synchronizeables.begin(); it != synchronizeables.end(); it++ ) |
---|
| 664 | { |
---|
| 665 | Synchronizeable & sync = **it; |
---|
| 666 | |
---|
| 667 | if ( !sync.beSynchronized() || sync.getUniqueID() < 0 ) |
---|
| 668 | continue; |
---|
| 669 | |
---|
| 670 | sync.handleRecvState( peer->second.userId, state, fromState ); |
---|
| 671 | } |
---|
| 672 | |
---|
| 673 | peer->second.connectionMonitor->processZippedIncomingPacket( compBuf, compLength, state, ackedState ); |
---|
| 674 | peer->second.connectionMonitor->processUnzippedIncomingPacket( buf, offset, state, ackedState ); |
---|
[7659] | 675 | |
---|
[7872] | 676 | assert( peer->second.lastAckedState <= ackedState ); |
---|
[7659] | 677 | peer->second.lastAckedState = ackedState; |
---|
[7792] | 678 | |
---|
[7872] | 679 | assert( peer->second.lastRecvedState < state ); |
---|
[7731] | 680 | peer->second.lastRecvedState = state; |
---|
| 681 | |
---|
[7872] | 682 | assert( saveOffset == offset ); |
---|
| 683 | |
---|
[7565] | 684 | } |
---|
[7659] | 685 | |
---|
[7565] | 686 | } |
---|
[7614] | 687 | |
---|
[7565] | 688 | } |
---|
| 689 | |
---|
[7671] | 690 | /** |
---|
| 691 | * is executed when a handshake has finished |
---|
| 692 | * @todo create playable for new user |
---|
| 693 | */ |
---|
| 694 | void NetworkStream::handleNewClient( int userId ) |
---|
| 695 | { |
---|
| 696 | MessageManager::getInstance()->initUser( userId ); |
---|
[7693] | 697 | |
---|
| 698 | networkGameManager->signalNewPlayer( userId ); |
---|
[7671] | 699 | } |
---|
[7565] | 700 | |
---|
[7767] | 701 | /** |
---|
| 702 | * removes old items from oldSynchronizeables |
---|
| 703 | */ |
---|
| 704 | void NetworkStream::cleanUpOldSyncList( ) |
---|
| 705 | { |
---|
| 706 | int now = SDL_GetTicks(); |
---|
| 707 | |
---|
| 708 | for ( std::map<int,int>::iterator it = oldSynchronizeables.begin(); it != oldSynchronizeables.end(); ) |
---|
| 709 | { |
---|
| 710 | if ( it->second < now - 10*1000 ) |
---|
| 711 | { |
---|
| 712 | std::map<int,int>::iterator delIt = it; |
---|
| 713 | it++; |
---|
| 714 | oldSynchronizeables.erase( delIt ); |
---|
| 715 | continue; |
---|
| 716 | } |
---|
| 717 | it++; |
---|
| 718 | } |
---|
| 719 | } |
---|
[7565] | 720 | |
---|
[7851] | 721 | /** |
---|
| 722 | * writes data to DATA/dicts/newdict |
---|
| 723 | * @param data pointer to data |
---|
| 724 | * @param length length |
---|
| 725 | */ |
---|
| 726 | void NetworkStream::writeToNewDict( byte * data, int length ) |
---|
| 727 | { |
---|
| 728 | if ( remainingBytesToWriteToDict <= 0 ) |
---|
| 729 | return; |
---|
| 730 | |
---|
| 731 | if ( length > remainingBytesToWriteToDict ) |
---|
| 732 | length = remainingBytesToWriteToDict; |
---|
| 733 | |
---|
| 734 | std::string fileName = ResourceManager::getInstance()->getDataDir(); |
---|
| 735 | fileName += "/dicts/newdict"; |
---|
| 736 | |
---|
| 737 | FILE * f = fopen( fileName.c_str(), "a" ); |
---|
| 738 | |
---|
| 739 | if ( !f ) |
---|
| 740 | { |
---|
| 741 | PRINTF(2)("could not open %s\n", fileName.c_str()); |
---|
| 742 | remainingBytesToWriteToDict = 0; |
---|
| 743 | return; |
---|
| 744 | } |
---|
| 745 | |
---|
| 746 | if ( fwrite( data, 1, length, f ) != length ) |
---|
| 747 | { |
---|
| 748 | PRINTF(2)("could not write to file\n"); |
---|
| 749 | fclose( f ); |
---|
| 750 | return; |
---|
| 751 | } |
---|
| 752 | |
---|
| 753 | fclose( f ); |
---|
| 754 | |
---|
| 755 | remainingBytesToWriteToDict -= length; |
---|
| 756 | } |
---|
[7565] | 757 | |
---|
| 758 | |
---|
| 759 | |
---|
[7671] | 760 | |
---|
[7767] | 761 | |
---|
[7851] | 762 | |
---|