[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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[6043] | 28 | #include "network_manager.h" |
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[5647] | 29 | #include "list.h" |
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[5649] | 30 | #include "debug.h" |
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[6053] | 31 | #include "class_list.h" |
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[5647] | 32 | |
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[5566] | 33 | /* include your own header */ |
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| 34 | #include "network_stream.h" |
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| 35 | |
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[5595] | 36 | /* probably unnecessary */ |
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[5594] | 37 | using namespace std; |
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| 38 | |
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[5595] | 39 | |
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[5747] | 40 | #define PACKAGE_SIZE 256 |
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[5647] | 41 | |
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[5747] | 42 | |
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[5800] | 43 | NetworkStream::NetworkStream() |
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[5996] | 44 | : DataStream() |
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[5647] | 45 | { |
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| 46 | this->init(); |
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[5648] | 47 | /* initialize the references */ |
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[5996] | 48 | this->type = NET_CLIENT; |
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[5741] | 49 | this->networkProtocol = new NetworkProtocol(); |
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[5648] | 50 | this->connectionMonitor = new ConnectionMonitor(); |
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[5647] | 51 | } |
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| 52 | |
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[6007] | 53 | NetworkStream::NetworkStream(IPaddress& address) |
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[5996] | 54 | { |
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[6007] | 55 | this->type = NET_CLIENT; |
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[5996] | 56 | this->init(); |
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[6007] | 57 | this->networkSockets.push_back(new NetworkSocket(address)); |
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[5996] | 58 | this->networkProtocol = new NetworkProtocol(); |
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| 59 | this->connectionMonitor = new ConnectionMonitor(); |
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[6043] | 60 | |
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| 61 | Handshake* hs = new Handshake(false); |
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| 62 | this->handshakes.push_back(hs); |
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| 63 | this->connectSynchronizeable(*hs); |
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| 64 | PRINTF(0)("NetworkStream: %s\n", hs->getName()); |
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[5996] | 65 | } |
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[5647] | 66 | |
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[5996] | 67 | |
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[6007] | 68 | NetworkStream::NetworkStream(unsigned int port) |
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[5996] | 69 | { |
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[6007] | 70 | this->type = NET_SERVER; |
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[5996] | 71 | this->init(); |
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[6007] | 72 | this->serverSocket = new ServerSocket(port); |
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[5996] | 73 | this->networkProtocol = new NetworkProtocol(); |
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| 74 | this->connectionMonitor = new ConnectionMonitor(); |
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[6018] | 75 | this->networkSockets.push_back( NULL ); |
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[6053] | 76 | this->handshakes.push_back( NULL ); |
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[6018] | 77 | this->bActive = true; |
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[5996] | 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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[6007] | 86 | this->serverSocket = NULL; |
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[6043] | 87 | myHostId = 0; |
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[5594] | 88 | } |
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| 89 | |
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[5647] | 90 | |
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[5566] | 91 | NetworkStream::~NetworkStream() |
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[5598] | 92 | { |
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[6007] | 93 | if ( this->serverSocket ) |
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| 94 | { |
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| 95 | serverSocket->close(); |
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| 96 | delete serverSocket; |
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| 97 | } |
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[5723] | 98 | |
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[6007] | 99 | for (NetworkSocketVector::iterator i = networkSockets.begin(); i!=networkSockets.end(); i++) |
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| 100 | { |
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| 101 | if ( *i ) |
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| 102 | { |
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| 103 | (*i)->disconnectServer(); |
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[6025] | 104 | (*i)->destroy(); |
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[6007] | 105 | } |
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| 106 | } |
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[5723] | 107 | |
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[6043] | 108 | for (HandshakeVector::iterator i = handshakes.begin(); i!=handshakes.end(); i++) |
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| 109 | { |
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| 110 | if ( *i ) |
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| 111 | { |
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| 112 | delete (*i); |
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| 113 | } |
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| 114 | } |
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| 115 | |
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[5996] | 116 | delete connectionMonitor; |
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| 117 | delete networkProtocol; |
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[5598] | 118 | } |
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| 119 | |
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[5996] | 120 | |
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| 121 | void NetworkStream::connectSynchronizeable(Synchronizeable& sync) |
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| 122 | { |
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[6007] | 123 | this->synchronizeables.push_back(&sync); |
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| 124 | |
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| 125 | if( this->networkSockets.size()>0 ) |
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[5996] | 126 | this->bActive = true; |
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| 127 | } |
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| 128 | |
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[6060] | 129 | void NetworkStream::disconnectSynchronizeable(Synchronizeable& sync) |
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| 130 | { |
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| 131 | this->synchronizeables.remove(&sync); |
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[5996] | 132 | |
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[6060] | 133 | if( this->networkSockets.size()<=0 ) |
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| 134 | this->bActive = false; |
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| 135 | } |
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| 136 | |
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| 137 | |
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[5604] | 138 | void NetworkStream::processData() |
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| 139 | { |
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[6018] | 140 | if ( this->type == NET_SERVER ) |
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| 141 | this->updateConnectionList(); |
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| 142 | |
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[6053] | 143 | for (int i = 0; i<handshakes.size(); i++) |
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[6043] | 144 | { |
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[6053] | 145 | if ( handshakes[i] ) |
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[6043] | 146 | { |
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[6053] | 147 | if ( handshakes[i]->completed() ) |
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[6043] | 148 | { |
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[6053] | 149 | if ( handshakes[i]->ok() ) |
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[6043] | 150 | { |
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[6053] | 151 | if ( type != NET_SERVER ) |
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| 152 | { |
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| 153 | NetworkManager::getInstance()->setHostID( handshakes[i]->getHostId() ); |
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| 154 | myHostId = NetworkManager::getInstance()->getHostID(); |
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| 155 | } |
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[6043] | 156 | PRINT(0)("handshake finished\n"); |
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[6059] | 157 | //TODO: replace handshake by entitymanager |
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[6043] | 158 | } |
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| 159 | else |
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| 160 | { |
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| 161 | PRINT(1)("handshake failed!\n"); |
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[6053] | 162 | networkSockets[i]->disconnectServer(); |
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[6043] | 163 | //TODO: handle error |
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| 164 | } |
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| 165 | } |
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| 166 | } |
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| 167 | } |
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| 168 | |
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| 169 | |
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| 170 | /* DOWNSTREAM */ |
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| 171 | |
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| 172 | int dataLength; |
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| 173 | int reciever; |
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| 174 | Header header; |
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| 175 | for (SynchronizeableList::iterator it = synchronizeables.begin(); it!=synchronizeables.end(); it++) |
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| 176 | { |
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[6059] | 177 | //TODO: remove items from synchronizeables if they dont exist |
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| 178 | if ( (*it)!=NULL && ClassList::exists(*it) && (*it)->getOwner() == myHostId ) |
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[6043] | 179 | { |
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| 180 | do { |
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[6053] | 181 | reciever = 0; |
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| 182 | dataLength = (*it)->readBytes(downBuffer, DATA_STREAM_BUFFER_SIZE, &reciever); |
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[6043] | 183 | |
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[6053] | 184 | |
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[6043] | 185 | if ( dataLength<=0 ){ |
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| 186 | reciever = 0; |
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| 187 | continue; |
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| 188 | } |
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| 189 | |
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[6059] | 190 | dataLength = networkProtocol->createHeader((byte*)downBuffer, dataLength, DATA_STREAM_BUFFER_SIZE, static_cast<const Synchronizeable&>(*(*it))); |
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[6043] | 191 | |
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| 192 | if ( dataLength<=0 ) |
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| 193 | continue; |
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| 194 | |
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| 195 | if ( reciever!=0 ) |
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| 196 | { |
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[6059] | 197 | if ( networkSockets[reciever] != NULL ) |
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[6043] | 198 | { |
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[6053] | 199 | PRINTF(0)("write %d bytes to socket %d\n", dataLength, reciever); |
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[6043] | 200 | networkSockets[reciever]->writePacket(downBuffer, dataLength); |
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| 201 | } |
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| 202 | else |
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| 203 | { |
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| 204 | PRINTF(1)("networkSockets[reciever] == NULL\n"); |
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| 205 | } |
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| 206 | } |
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| 207 | else |
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| 208 | { |
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[6053] | 209 | for ( int i = 0; i<networkSockets.size(); i++) |
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[6043] | 210 | { |
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[6059] | 211 | if ( networkSockets[i] != NULL ) |
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[6053] | 212 | { |
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| 213 | PRINTF(0)("write %d bytes to socket %d\n", dataLength, reciever); |
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[6043] | 214 | networkSockets[i]->writePacket(downBuffer, dataLength); |
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[6053] | 215 | } |
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[6043] | 216 | } |
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| 217 | } |
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| 218 | |
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| 219 | } while( reciever!=0 ); |
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| 220 | } |
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[6059] | 221 | else |
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| 222 | { |
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| 223 | PRINTF(0)("synchronizeables == NULL"); |
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| 224 | } |
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[6043] | 225 | } |
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| 226 | |
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| 227 | /* UPSTREAM */ |
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| 228 | |
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[6053] | 229 | for ( int i = 0; i<networkSockets.size(); i++) |
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[6043] | 230 | { |
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| 231 | if ( networkSockets[i] ) |
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| 232 | { |
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| 233 | do { |
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| 234 | dataLength = networkSockets[i]->readPacket(upBuffer, DATA_STREAM_BUFFER_SIZE); |
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| 235 | |
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| 236 | if ( dataLength<=0 ) |
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| 237 | continue; |
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| 238 | |
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| 239 | PRINTF(0)("read %d bytes from socket\n", dataLength); |
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| 240 | header = networkProtocol->extractHeader(upBuffer, dataLength); |
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| 241 | dataLength -= sizeof(header); |
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| 242 | |
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| 243 | if ( dataLength != header.length ) |
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| 244 | { |
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| 245 | PRINTF(1)("packetsize in header and real packetsize do not match! %d:%d\n", dataLength, header.length); |
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| 246 | continue; |
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| 247 | } |
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| 248 | |
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| 249 | for (SynchronizeableList::iterator it = synchronizeables.begin(); it!=synchronizeables.end(); it++) |
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| 250 | { |
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[6060] | 251 | if ( *it && (*it)->getUniqueID()==header.synchronizeableID ) |
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[6043] | 252 | (*it)->writeBytes(upBuffer+sizeof(header), dataLength); |
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| 253 | } |
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| 254 | |
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| 255 | } while ( dataLength>0 ); |
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| 256 | } |
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| 257 | } |
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| 258 | |
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[6007] | 259 | #if 0 |
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[5809] | 260 | int dataLength = 0; |
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[5741] | 261 | |
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[5650] | 262 | /* DOWNSTREAM */ |
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[5804] | 263 | printf("\nSynchronizeable: %s\n", this->synchronizeables->getName()); |
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[5800] | 264 | PRINT(0)("============= DOWNSTREAM:===============\n"); |
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[5650] | 265 | /* first of all read the synchronizeable's data: */ |
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[5996] | 266 | if( this->isServer()) |
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| 267 | dataLength = this->synchronizeables->readBytes((byte*)downBuffer); |
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[5800] | 268 | |
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[5996] | 269 | if( dataLength > 0) |
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| 270 | { |
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| 271 | /* send the received data to connectionMonitor */ |
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| 272 | this->connectionMonitor->processPacket((byte*)downBuffer, dataLength); |
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[5730] | 273 | |
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[5996] | 274 | dataLength = this->networkProtocol->createHeader((byte*)downBuffer, dataLength, DATA_STREAM_BUFFER_SIZE, |
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| 275 | *(this->synchronizeables), 12/* some random number (no real id)*/); |
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[5800] | 276 | |
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[5996] | 277 | /* pass the data to the network socket */ |
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| 278 | // dataLength = this->networkSocket->writeBytes((byte*)downBuffer, dataLength); |
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| 279 | /* check if there was an error */ |
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| 280 | if( dataLength == -1) |
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| 281 | { |
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| 282 | PRINTF(0)("Error in writing data to the NetworkSocket\n"); |
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| 283 | } |
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| 284 | } |
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[5741] | 285 | |
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| 286 | |
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| 287 | /* UPSTREAM */ |
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[5809] | 288 | dataLength = 0; |
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[5800] | 289 | PRINT(0)("============== UPSTREAM:================\n"); |
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[5809] | 290 | /* first of all read the next Orxonox Network Header */ |
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| 291 | |
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[5810] | 292 | if( this->state == NET_REC_HEADER) |
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[5802] | 293 | { |
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[5996] | 294 | // dataLength = this->networkSocket->readBlock((byte*)upBuffer, sizeof(Header)); |
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[5810] | 295 | if( dataLength == sizeof(Header)) |
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| 296 | { |
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| 297 | this->packetHeader = this->networkProtocol->extractHeader((byte*) upBuffer , dataLength); |
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| 298 | printf("NetworkStream::processData() - Got Header: Protocol %u, Version: %u, Sender: %u, Receiver: %u, Length: %u\n", |
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| 299 | this->packetHeader.protocol, this->packetHeader.version, this->packetHeader.senderID, |
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| 300 | this->packetHeader.receiverID, this->packetHeader.length); |
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| 301 | /* FIXME: what if it was no this->packetHeader? catch? eg: the protocol identifier, receiver id*/ |
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[5730] | 302 | |
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[5810] | 303 | this->state = NET_REC_DATA; |
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| 304 | } |
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| 305 | } |
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| 306 | if( this->state == NET_REC_DATA) |
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| 307 | { |
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| 308 | /* now read the data */ |
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[5996] | 309 | // dataLength = this->networkSocket->readBlock((byte*)upBuffer, this->packetHeader.length); |
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[5810] | 310 | /* check if the data is available and process it if so */ |
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| 311 | if( dataLength == this->packetHeader.length) |
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| 312 | { |
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[5996] | 313 | printf("NetworkStream::processData() - Got Data: %i bytes\n", dataLength); |
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[5810] | 314 | /* send the received data to connectionMonitor */ |
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| 315 | this->connectionMonitor->processPacket((byte*)upBuffer, this->packetHeader.length); |
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| 316 | /* now pass the data to the sync object */ |
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[5996] | 317 | if( !this->isServer()) |
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| 318 | this->synchronizeables->writeBytes((byte*)upBuffer, this->packetHeader.length); |
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[5730] | 319 | |
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[5810] | 320 | this->state = NET_REC_HEADER; |
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| 321 | } |
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[5802] | 322 | } |
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[5800] | 323 | |
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[6007] | 324 | #endif |
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[5604] | 325 | } |
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[6018] | 326 | |
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| 327 | void NetworkStream::updateConnectionList( ) |
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| 328 | { |
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| 329 | //check for new connections |
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[6025] | 330 | |
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[6018] | 331 | NetworkSocket* tempNetworkSocket = serverSocket->getNewSocket(); |
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| 332 | |
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| 333 | if ( tempNetworkSocket ) |
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| 334 | { |
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| 335 | int clientId; |
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| 336 | if ( freeSocketSlots.size() >0 ) |
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| 337 | { |
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| 338 | clientId = freeSocketSlots.back(); |
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| 339 | freeSocketSlots.pop_back(); |
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| 340 | networkSockets[clientId] = tempNetworkSocket; |
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[6043] | 341 | handshakes[clientId] = new Handshake(true, clientId); |
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[6018] | 342 | } else |
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| 343 | { |
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[6025] | 344 | clientId = networkSockets.size(); |
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[6018] | 345 | networkSockets.push_back(tempNetworkSocket); |
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[6043] | 346 | handshakes.push_back(new Handshake(true, clientId)); |
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[6018] | 347 | } |
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| 348 | |
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[6025] | 349 | PRINTF(0)("New Client: %d\n", clientId); |
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[6043] | 350 | |
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| 351 | this->connectSynchronizeable(*handshakes[clientId]); |
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[6018] | 352 | } |
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| 353 | |
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| 354 | |
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| 355 | //check if connections are ok else remove them |
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| 356 | for ( int i = 1; i<networkSockets.size(); i++) |
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| 357 | { |
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| 358 | if ( networkSockets[i] && !networkSockets[i]->isOk() ) |
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| 359 | { |
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| 360 | //TODO: tell EntityManager that this player left the game |
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[6025] | 361 | PRINTF(0)("Client is gone: %d\n", i); |
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[6018] | 362 | |
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[6025] | 363 | //delete networkSockets[i]; |
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[6039] | 364 | networkSockets[i]->disconnectServer(); |
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[6025] | 365 | networkSockets[i]->destroy(); |
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[6018] | 366 | networkSockets[i] = NULL; |
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[6059] | 367 | //TODO: delete handshake from synchronizeable list so i can delete it |
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[6043] | 368 | delete handshakes[i]; |
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| 369 | handshakes[i] = NULL; |
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[6018] | 370 | |
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| 371 | if ( i == networkSockets.size()-1 ) |
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| 372 | { |
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| 373 | networkSockets.pop_back(); |
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[6043] | 374 | handshakes.pop_back(); |
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[6018] | 375 | } |
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| 376 | else |
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| 377 | { |
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| 378 | freeSocketSlots.push_back(i); |
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| 379 | } |
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| 380 | } |
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| 381 | } |
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| 382 | |
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[6025] | 383 | |
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[6018] | 384 | } |
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[6043] | 385 | |
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| 386 | |
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