[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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[9246] | 12 | main-programmer: Christoph Renner rennerc@ee.ethz.ch |
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[9656] | 13 | co-programmer: Patrick Boenzli patrick@orxonox.ethz.ch |
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[9406] | 14 | |
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| 15 | June 2006: finishing work on the network stream for pps presentation (rennerc@ee.ethz.ch) |
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[9656] | 16 | July 2006: some code rearangement and integration of the proxy server mechanism (patrick@orxonox.ethz.ch) |
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[5566] | 17 | */ |
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| 18 | |
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| 19 | |
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| 20 | #define DEBUG_MODULE_NETWORK |
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| 21 | |
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[9656] | 22 | #include "proxy/proxy_control.h" |
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[5747] | 23 | |
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[5647] | 24 | #include "base_object.h" |
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[5731] | 25 | #include "network_protocol.h" |
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[7954] | 26 | #include "udp_socket.h" |
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| 27 | #include "udp_server_socket.h" |
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[9406] | 28 | #include "monitor/connection_monitor.h" |
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| 29 | #include "monitor/network_monitor.h" |
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[5647] | 30 | #include "synchronizeable.h" |
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[9406] | 31 | #include "ip.h" |
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[6341] | 32 | #include "network_game_manager.h" |
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[6959] | 33 | #include "shared_network_data.h" |
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[7954] | 34 | #include "message_manager.h" |
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[9869] | 35 | #include "parser/preferences/preferences.h" |
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[7954] | 36 | #include "zip.h" |
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[6341] | 37 | |
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[7954] | 38 | #include "network_log.h" |
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| 39 | |
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[9235] | 40 | #include "player_stats.h" |
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[7954] | 41 | |
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[9869] | 42 | #include "loading/factory.h" |
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| 43 | #include "loading/resource_manager.h" |
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[7954] | 44 | |
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[5649] | 45 | #include "debug.h" |
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[5647] | 46 | |
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[5566] | 47 | #include "network_stream.h" |
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| 48 | |
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[5594] | 49 | |
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[9406] | 50 | #include "converter.h" |
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[5595] | 51 | |
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[9406] | 52 | |
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[5747] | 53 | #define PACKAGE_SIZE 256 |
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[5647] | 54 | |
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[9869] | 55 | ObjectListDefinition(NetworkStream); |
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[9406] | 56 | /** |
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| 57 | * empty constructor |
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| 58 | */ |
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[5800] | 59 | NetworkStream::NetworkStream() |
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[5996] | 60 | : DataStream() |
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[5647] | 61 | { |
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| 62 | this->init(); |
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[5648] | 63 | /* initialize the references */ |
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[9494] | 64 | this->pInfo->nodeType = NET_UNASSIGNED; |
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[5647] | 65 | } |
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| 66 | |
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[6695] | 67 | |
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[9406] | 68 | NetworkStream::NetworkStream( int nodeType) |
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[5996] | 69 | { |
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| 70 | this->init(); |
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| 71 | |
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[9406] | 72 | this->pInfo->nodeType = nodeType; |
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[5996] | 73 | |
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[9406] | 74 | switch( nodeType) |
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| 75 | { |
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| 76 | case NET_MASTER_SERVER: |
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| 77 | // init the shared network data |
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[9494] | 78 | SharedNetworkData::getInstance()->setHostID(NET_ID_MASTER_SERVER); |
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[9656] | 79 | this->pInfo->userId = NET_ID_MASTER_SERVER; |
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| 80 | this->pInfo->nodeType = NET_MASTER_SERVER; |
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| 81 | |
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[9406] | 82 | break; |
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| 83 | case NET_PROXY_SERVER_ACTIVE: |
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| 84 | // init the shared network data |
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[9494] | 85 | SharedNetworkData::getInstance()->setHostID(NET_ID_PROXY_SERVER_01); |
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[9656] | 86 | this->pInfo->nodeType = NET_PROXY_SERVER_ACTIVE; |
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| 87 | |
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[9406] | 88 | break; |
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| 89 | case NET_PROXY_SERVER_PASSIVE: |
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[9494] | 90 | // init the shared network data |
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| 91 | SharedNetworkData::getInstance()->setHostID(NET_ID_PROXY_SERVER_01); |
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[9656] | 92 | this->pInfo->nodeType = NET_PROXY_SERVER_PASSIVE; |
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| 93 | |
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[9406] | 94 | break; |
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| 95 | case NET_CLIENT: |
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[9494] | 96 | SharedNetworkData::getInstance()->setHostID(NET_ID_UNASSIGNED); |
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[9656] | 97 | this->pInfo->nodeType = NET_CLIENT; |
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[9406] | 98 | break; |
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| 99 | } |
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| 100 | |
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| 101 | SharedNetworkData::getInstance()->setDefaultSyncStream(this); |
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| 102 | |
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| 103 | // get the local ip address |
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[9656] | 104 | IP ip("localhost", 0); |
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[9406] | 105 | this->pInfo->ip = ip; |
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[5649] | 106 | } |
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| 107 | |
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| 108 | |
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[9406] | 109 | |
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[9246] | 110 | /** |
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| 111 | * generic init functions |
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| 112 | */ |
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[5647] | 113 | void NetworkStream::init() |
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| 114 | { |
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| 115 | /* set the class id for the base object */ |
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[9869] | 116 | this->registerObject(this, NetworkStream::_objectList); |
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[9494] | 117 | this->clientSocket = NULL; |
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[9656] | 118 | this->clientSoftSocket = NULL; |
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[9494] | 119 | this->proxySocket = NULL; |
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[6341] | 120 | this->networkGameManager = NULL; |
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[9406] | 121 | this->networkMonitor = NULL; |
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[9246] | 122 | |
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[9406] | 123 | this->pInfo = new PeerInfo(); |
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[9656] | 124 | this->pInfo->userId = NET_UID_UNASSIGNED; |
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[9406] | 125 | this->pInfo->lastAckedState = 0; |
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| 126 | this->pInfo->lastRecvedState = 0; |
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[9656] | 127 | this->pInfo->bLocal = true; |
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[9406] | 128 | |
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[9494] | 129 | this->bRedirect = false; |
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[10114] | 130 | this->bSoftRedirect = false; |
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[9406] | 131 | |
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| 132 | this->currentState = 0; |
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[9656] | 133 | this->redirectionUID = NET_ID_MASTER_SERVER; |
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[9406] | 134 | |
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[7954] | 135 | remainingBytesToWriteToDict = Preferences::getInstance()->getInt( "compression", "writedict", 0 ); |
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[9246] | 136 | |
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[8623] | 137 | assert( Zip::getInstance()->loadDictionary( "testdict" ) >= 0 ); |
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| 138 | this->dictClient = Zip::getInstance()->loadDictionary( "dict2pl_client" ); |
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| 139 | assert( this->dictClient >= 0 ); |
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| 140 | this->dictServer = Zip::getInstance()->loadDictionary( "dict2p_server" ); |
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| 141 | assert( this->dictServer >= 0 ); |
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[5594] | 142 | } |
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| 143 | |
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[5647] | 144 | |
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[9246] | 145 | /** |
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| 146 | * deconstructor |
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| 147 | */ |
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[5566] | 148 | NetworkStream::~NetworkStream() |
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[5598] | 149 | { |
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[9494] | 150 | if ( this->clientSocket ) |
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[6139] | 151 | { |
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[9656] | 152 | this->clientSocket->close(); |
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| 153 | delete this->clientSocket; |
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| 154 | this->clientSocket = NULL; |
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[6139] | 155 | } |
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[9656] | 156 | if ( this->clientSoftSocket ) |
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| 157 | { |
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| 158 | this->clientSoftSocket->close(); |
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| 159 | delete this->clientSoftSocket; |
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| 160 | this->clientSoftSocket = NULL; |
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| 161 | } |
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[9494] | 162 | if ( this->proxySocket) |
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| 163 | { |
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| 164 | proxySocket->close(); |
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| 165 | delete proxySocket; |
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| 166 | proxySocket = NULL; |
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| 167 | } |
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[7954] | 168 | for ( PeerList::iterator i = peers.begin(); i!=peers.end(); i++) |
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[6139] | 169 | { |
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[7954] | 170 | if ( i->second.socket ) |
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[6139] | 171 | { |
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[7954] | 172 | i->second.socket->disconnectServer(); |
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| 173 | delete i->second.socket; |
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| 174 | i->second.socket = NULL; |
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[6139] | 175 | } |
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[9246] | 176 | |
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[7954] | 177 | if ( i->second.handshake ) |
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[6139] | 178 | { |
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[7954] | 179 | delete i->second.handshake; |
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| 180 | i->second.handshake = NULL; |
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[6139] | 181 | } |
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[9246] | 182 | |
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[8623] | 183 | if ( i->second.connectionMonitor ) |
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| 184 | { |
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| 185 | delete i->second.connectionMonitor; |
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| 186 | i->second.connectionMonitor = NULL; |
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| 187 | } |
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[6139] | 188 | } |
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[8228] | 189 | for ( SynchronizeableList::const_iterator it = getSyncBegin(); it != getSyncEnd(); it ++ ) |
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| 190 | (*it)->setNetworkStream( NULL ); |
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[9406] | 191 | |
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| 192 | if( this->pInfo) |
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| 193 | delete this->pInfo; |
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| 194 | |
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| 195 | if( this->networkMonitor) |
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| 196 | delete this->networkMonitor; |
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[5598] | 197 | } |
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| 198 | |
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[5996] | 199 | |
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[9246] | 200 | /** |
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[9406] | 201 | * establish a connection to a remote master server |
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| 202 | * @param host: host name |
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| 203 | * @param port: the port number |
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| 204 | */ |
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| 205 | void NetworkStream::connectToMasterServer(std::string host, int port) |
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| 206 | { |
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[9494] | 207 | int node = NET_ID_MASTER_SERVER; |
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| 208 | // this create the new node in the peers map |
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[9406] | 209 | this->peers[node].socket = new UdpSocket( host, port ); |
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[9494] | 210 | this->peers[node].userId = NET_ID_MASTER_SERVER; |
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[9406] | 211 | |
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| 212 | this->peers[node].nodeType = NET_MASTER_SERVER; |
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[9494] | 213 | this->peers[node].connectionMonitor = new ConnectionMonitor( NET_ID_MASTER_SERVER ); |
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[9406] | 214 | this->peers[node].ip = this->peers[node].socket->getRemoteAddress(); |
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[9656] | 215 | this->peers[node].bLocal = true; |
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[9406] | 216 | } |
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| 217 | |
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| 218 | |
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| 219 | /** |
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| 220 | * establish a connection to a remote proxy server |
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| 221 | * @param host: host name |
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| 222 | * @param port: the port number |
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| 223 | */ |
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[9494] | 224 | void NetworkStream::connectToProxyServer(int proxyId, std::string host, int port) |
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[9406] | 225 | { |
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[9494] | 226 | PRINTF(0)("connect to proxy %s, this is proxyId %i\n", host.c_str(), proxyId); |
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[9406] | 227 | |
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[9494] | 228 | // this creates the new proxyId in the peers map |
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| 229 | this->peers[proxyId].socket = new UdpSocket( host, port ); |
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| 230 | this->peers[proxyId].userId = proxyId; |
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| 231 | |
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| 232 | this->peers[proxyId].nodeType = NET_PROXY_SERVER_ACTIVE; |
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| 233 | this->peers[proxyId].connectionMonitor = new ConnectionMonitor( proxyId ); |
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| 234 | this->peers[proxyId].ip = this->peers[proxyId].socket->getRemoteAddress(); |
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[9656] | 235 | this->peers[proxyId].bLocal = true; |
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[9406] | 236 | } |
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| 237 | |
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| 238 | |
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| 239 | /** |
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| 240 | * create a server |
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| 241 | * @param port: interface port for all clients |
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| 242 | */ |
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[9656] | 243 | void NetworkStream::createServer(int clientPort, int proxyPort, int clientSoftPort) |
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[9406] | 244 | { |
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[9494] | 245 | PRINTF(0)(" Creating new Server: listening for clients on port %i and for proxies on port %i", clientPort, proxyPort); |
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| 246 | this->clientSocket= new UdpServerSocket(clientPort); |
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[9656] | 247 | this->clientSoftSocket= new UdpServerSocket(clientSoftPort); |
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[9494] | 248 | this->proxySocket = new UdpServerSocket(proxyPort); |
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[9406] | 249 | } |
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| 250 | |
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| 251 | |
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| 252 | /** |
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[9246] | 253 | * creates a new instance of the network game manager |
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| 254 | */ |
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[6695] | 255 | void NetworkStream::createNetworkGameManager() |
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| 256 | { |
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| 257 | this->networkGameManager = NetworkGameManager::getInstance(); |
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[9406] | 258 | |
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[7954] | 259 | this->networkGameManager->setUniqueID( SharedNetworkData::getInstance()->getNewUniqueID() ); |
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| 260 | MessageManager::getInstance()->setUniqueID( SharedNetworkData::getInstance()->getNewUniqueID() ); |
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[6695] | 261 | } |
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| 262 | |
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| 263 | |
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[9246] | 264 | /** |
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| 265 | * starts the network handshake |
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[9406] | 266 | * handsakes are always initialized from the client side first. this starts the handshake and therefore is only |
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| 267 | * executed as client |
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[9494] | 268 | * @param userId: start handshake for this user id (optional, default == 0) |
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[9246] | 269 | */ |
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[9494] | 270 | void NetworkStream::startHandshake(int userId) |
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[6695] | 271 | { |
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[9406] | 272 | Handshake* hs = new Handshake(this->pInfo->nodeType); |
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[9494] | 273 | // fake the unique id |
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[9656] | 274 | hs->setUniqueID( userId); |
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| 275 | assert( this->peers[userId].handshake == NULL ); |
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| 276 | this->peers[userId].handshake = hs; |
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| 277 | this->peers[userId].bLocal = true; |
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[9246] | 278 | |
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[9406] | 279 | // set the preferred nick name |
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[9235] | 280 | hs->setPreferedNickName( Preferences::getInstance()->getString( "multiplayer", "nickname", "Player" ) ); |
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[9246] | 281 | |
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[9406] | 282 | PRINTF(0)("NetworkStream: Handshake created: %s\n", hs->getCName()); |
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[6695] | 283 | } |
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| 284 | |
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| 285 | |
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[9246] | 286 | /** |
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| 287 | * this functions connects a synchronizeable to the networkstream, therefore synchronizeing |
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| 288 | * it all over the network and creating it on the other platforms (if and only if it is a |
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| 289 | * server |
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[9494] | 290 | * @param sync: the synchronizeable to add |
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[9246] | 291 | */ |
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[5996] | 292 | void NetworkStream::connectSynchronizeable(Synchronizeable& sync) |
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| 293 | { |
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[6139] | 294 | this->synchronizeables.push_back(&sync); |
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| 295 | sync.setNetworkStream( this ); |
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[5996] | 296 | } |
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| 297 | |
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[6695] | 298 | |
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[9246] | 299 | /** |
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| 300 | * removes the synchronizeable from the list of synchronized entities |
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[9494] | 301 | * @param sync: the syncronizeable to remove |
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[9246] | 302 | */ |
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[6139] | 303 | void NetworkStream::disconnectSynchronizeable(Synchronizeable& sync) |
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| 304 | { |
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[6144] | 305 | // removing the Synchronizeable from the List. |
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| 306 | std::list<Synchronizeable*>::iterator disconnectSynchro = std::find(this->synchronizeables.begin(), this->synchronizeables.end(), &sync); |
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| 307 | if (disconnectSynchro != this->synchronizeables.end()) |
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| 308 | this->synchronizeables.erase(disconnectSynchro); |
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[9246] | 309 | |
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[7954] | 310 | oldSynchronizeables[sync.getUniqueID()] = SDL_GetTicks(); |
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[6139] | 311 | } |
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| 312 | |
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| 313 | |
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[9246] | 314 | /** |
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| 315 | * this is called to process data from the network socket to the synchronizeable and vice versa |
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| 316 | */ |
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[5604] | 317 | void NetworkStream::processData() |
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| 318 | { |
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[9406] | 319 | // create the network monitor after all the init work and before there is any connection handlings |
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| 320 | if( this->networkMonitor == NULL) |
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[9656] | 321 | { |
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[9406] | 322 | this->networkMonitor = new NetworkMonitor(this); |
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[9656] | 323 | SharedNetworkData::getInstance()->setNetworkMonitor( this->networkMonitor); |
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| 324 | } |
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[9406] | 325 | |
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| 326 | |
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[8068] | 327 | int tick = SDL_GetTicks(); |
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[9246] | 328 | |
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[9406] | 329 | this->currentState++; |
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| 330 | // there was a wrap around |
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| 331 | if( this->currentState < 0) |
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| 332 | { |
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| 333 | PRINTF(1)("A wrap around in the state variable as occured. The server was running so long? Pls restart server or write a mail to the supporters!\n"); |
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| 334 | } |
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[9246] | 335 | |
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[9494] | 336 | if ( SharedNetworkData::getInstance()->isMasterServer()) |
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[7954] | 337 | { |
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[9406] | 338 | // execute everytthing the master server shoudl do |
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[9494] | 339 | if ( this->clientSocket ) |
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| 340 | this->clientSocket->update(); |
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[9656] | 341 | if ( this->clientSoftSocket) |
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| 342 | this->clientSoftSocket->update(); |
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[9494] | 343 | if( this->proxySocket) |
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| 344 | this->proxySocket->update(); |
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[9246] | 345 | |
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[6139] | 346 | this->updateConnectionList(); |
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[7954] | 347 | } |
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[9494] | 348 | else if( SharedNetworkData::getInstance()->isProxyServerActive()) |
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[9406] | 349 | { |
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[9494] | 350 | //execute everything the proxy server should do |
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| 351 | if ( this->clientSocket ) |
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| 352 | this->clientSocket->update(); |
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[9656] | 353 | if ( this->clientSoftSocket) |
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| 354 | this->clientSoftSocket->update(); |
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[9494] | 355 | if( this->proxySocket) |
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| 356 | this->proxySocket->update(); |
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[9406] | 357 | |
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| 358 | this->updateConnectionList(); |
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| 359 | } |
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[9494] | 360 | |
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| 361 | #warning make this more modular: every proxy/master server connection should be watched for termination |
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| 362 | if( !SharedNetworkData::getInstance()->isMasterServer()) |
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[6139] | 363 | { |
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[9246] | 364 | // check if the connection is ok else terminate and remove |
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[9494] | 365 | if ( !peers.empty() && peers[NET_ID_MASTER_SERVER].socket && |
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| 366 | ( !peers[NET_ID_MASTER_SERVER].socket->isOk() || |
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| 367 | peers[NET_ID_MASTER_SERVER].connectionMonitor->hasTimedOut() ) ) |
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[6139] | 368 | { |
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[9494] | 369 | this->handleDisconnect( NET_ID_MASTER_SERVER); |
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[6139] | 370 | PRINTF(1)("lost connection to server\n"); |
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| 371 | } |
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[9494] | 372 | // check if there is a redirection command |
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| 373 | if( this->bRedirect) |
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| 374 | { |
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[9656] | 375 | this->handleReconnect( this->redirectionUID); |
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[9494] | 376 | } |
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[6139] | 377 | } |
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| 378 | |
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[9494] | 379 | this->cleanUpOldSyncList(); |
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| 380 | this->handleHandshakes(); |
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[9246] | 381 | |
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[9406] | 382 | // update the network monitor |
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| 383 | this->networkMonitor->process(); |
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| 384 | |
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[7954] | 385 | // order of up/downstream is important!!!! |
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| 386 | // don't change it |
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[9494] | 387 | this->handleDownstream( tick ); |
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| 388 | this->handleUpstream( tick ); |
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[9656] | 389 | |
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| 390 | // process the local data of the message manager |
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| 391 | MessageManager::getInstance()->processData(); |
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| 392 | |
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| 393 | if( this->bSoftRedirect) |
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| 394 | this->softReconnectToServer(0, IP("localhost", 10001)); |
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[7954] | 395 | } |
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| 396 | |
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[9246] | 397 | |
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| 398 | /** |
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[9494] | 399 | * @brief handles incoming connections |
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| 400 | * |
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| 401 | * if we are a NET_MASTER_SERVER or NET_PROXY_SERVER_ACTIVE update the connection list to accept new connections (clients) |
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| 402 | * start and initialize the handsake for the new clients |
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[9246] | 403 | */ |
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[7954] | 404 | void NetworkStream::updateConnectionList( ) |
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| 405 | { |
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| 406 | //check for new connections |
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| 407 | |
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[9494] | 408 | NetworkSocket* tempNetworkSocket = NULL; |
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| 409 | int userId; |
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[7954] | 410 | |
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[9494] | 411 | if( this->clientSocket != NULL) |
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[6139] | 412 | { |
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[9494] | 413 | tempNetworkSocket = this->clientSocket->getNewSocket(); |
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| 414 | |
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| 415 | // we got new NET_CLIENT connecting |
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| 416 | if ( tempNetworkSocket ) |
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[6139] | 417 | { |
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[9656] | 418 | // get a userId |
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| 419 | // if ( freeSocketSlots.size() > 0 ) |
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| 420 | // { |
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| 421 | // // this should never be called |
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| 422 | // userId = freeSocketSlots.back(); |
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| 423 | // freeSocketSlots.pop_back(); |
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| 424 | // } |
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| 425 | // else |
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[9494] | 426 | { |
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[9656] | 427 | // each server (proxy and master) have an address space for new network nodes of 1000 nodes |
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| 428 | // the first NET_ID_PROXY_MAX are always reserved for proxy servers |
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| 429 | userId = SharedNetworkData::getInstance()->getHostID() * 1000 + NET_ID_PROXY_MAX + 1; |
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[9246] | 430 | |
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[9494] | 431 | for ( PeerList::iterator it = peers.begin(); it != peers.end(); it++ ) |
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| 432 | if ( it->first >= userId ) |
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| 433 | userId = it->first + 1; |
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[9656] | 434 | |
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| 435 | // make sure that this server only uses an address space of 1000 |
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| 436 | assert( userId < (SharedNetworkData::getInstance()->getHostID() + 1) * 1000); |
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[9494] | 437 | } |
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| 438 | // this creates a new entry in the peers list |
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| 439 | peers[userId].socket = tempNetworkSocket; |
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| 440 | peers[userId].nodeType = NET_CLIENT; |
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[9246] | 441 | |
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[9494] | 442 | // handle the newly connected client |
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| 443 | this->handleConnect(userId); |
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[9246] | 444 | |
---|
[9494] | 445 | PRINTF(0)("New Client: %d\n", userId); |
---|
| 446 | } |
---|
| 447 | } |
---|
[6341] | 448 | |
---|
[9656] | 449 | if( this->clientSoftSocket != NULL) |
---|
| 450 | { |
---|
| 451 | tempNetworkSocket = this->clientSoftSocket->getNewSocket(); |
---|
[9406] | 452 | |
---|
[9656] | 453 | // we got new NET_CLIENT connecting |
---|
| 454 | if ( tempNetworkSocket ) |
---|
| 455 | { |
---|
| 456 | |
---|
| 457 | // this creates a new entry in the peers list |
---|
| 458 | peers[userId].socket = tempNetworkSocket; |
---|
| 459 | peers[userId].nodeType = NET_CLIENT; |
---|
| 460 | |
---|
| 461 | // handle the newly connected client |
---|
| 462 | this->handleSoftConnect(userId); |
---|
| 463 | |
---|
| 464 | PRINTF(0)("New Client softly connected: %d :D\n", userId); |
---|
| 465 | } |
---|
| 466 | } |
---|
| 467 | |
---|
| 468 | |
---|
[9494] | 469 | if( this->proxySocket != NULL) |
---|
| 470 | { |
---|
| 471 | tempNetworkSocket = this->proxySocket->getNewSocket(); |
---|
[9406] | 472 | |
---|
[9494] | 473 | // we got new NET_PROXY_SERVER_ACTIVE connecting |
---|
| 474 | if ( tempNetworkSocket ) |
---|
[7954] | 475 | { |
---|
[9494] | 476 | // determine the network node id |
---|
[9656] | 477 | // if ( freeSocketSlots.size() > 0 ) |
---|
| 478 | // { |
---|
| 479 | // userId = freeSocketSlots.back(); |
---|
| 480 | // freeSocketSlots.pop_back(); |
---|
| 481 | // } |
---|
| 482 | // else |
---|
[9494] | 483 | { |
---|
| 484 | userId = 1; |
---|
[6498] | 485 | |
---|
[9656] | 486 | // find an empty slot within the range |
---|
| 487 | for( int i = 0; i < NET_ID_PROXY_MAX; i++) |
---|
| 488 | { |
---|
| 489 | if( this->peers.find( i) == this->peers.end()) |
---|
| 490 | { |
---|
| 491 | userId = i; |
---|
| 492 | break; |
---|
| 493 | } |
---|
| 494 | } |
---|
| 495 | |
---|
| 496 | // for ( PeerList::iterator it = peers.begin(); it != peers.end(); it++ ) |
---|
| 497 | // if ( it->first >= userId ) |
---|
| 498 | // userId = it->first + 1; |
---|
[9494] | 499 | } |
---|
[9406] | 500 | |
---|
[9494] | 501 | // this creates a new entry in the peers list |
---|
| 502 | peers[userId].socket = tempNetworkSocket; |
---|
| 503 | peers[userId].nodeType = NET_PROXY_SERVER_ACTIVE; |
---|
[9406] | 504 | |
---|
[9494] | 505 | // handle the newly connected proxy server |
---|
| 506 | this->handleConnect(userId); |
---|
[9406] | 507 | |
---|
[9494] | 508 | PRINTF(0)("New proxy connected: %d\n", userId); |
---|
| 509 | } |
---|
[7954] | 510 | } |
---|
[6341] | 511 | |
---|
[9246] | 512 | |
---|
[9656] | 513 | |
---|
[7954] | 514 | //check if connections are ok else remove them |
---|
[8228] | 515 | for ( PeerList::iterator it = peers.begin(); it != peers.end(); ) |
---|
[7954] | 516 | { |
---|
[9246] | 517 | if ( |
---|
[7954] | 518 | it->second.socket && |
---|
[9246] | 519 | ( |
---|
[7954] | 520 | !it->second.socket->isOk() || |
---|
| 521 | it->second.connectionMonitor->hasTimedOut() |
---|
| 522 | ) |
---|
| 523 | ) |
---|
| 524 | { |
---|
| 525 | std::string reason = "disconnected"; |
---|
| 526 | if ( it->second.connectionMonitor->hasTimedOut() ) |
---|
| 527 | reason = "timeout"; |
---|
| 528 | PRINTF(0)("Client is gone: %d (%s)\n", it->second.userId, reason.c_str()); |
---|
| 529 | |
---|
[9656] | 530 | |
---|
[9494] | 531 | this->handleDisconnect( it->second.userId); |
---|
[9246] | 532 | |
---|
[9656] | 533 | if( SharedNetworkData::getInstance()->isProxyServerActive()) |
---|
| 534 | ProxyControl::getInstance()->signalLeaveClient(it->second.userId); |
---|
| 535 | |
---|
[9494] | 536 | it++; |
---|
| 537 | continue; |
---|
| 538 | } |
---|
[7954] | 539 | |
---|
[9494] | 540 | it++; |
---|
| 541 | } |
---|
| 542 | } |
---|
[7954] | 543 | |
---|
| 544 | |
---|
[9494] | 545 | /** |
---|
| 546 | * this handles new connections |
---|
| 547 | * @param userId: the id of the new user node |
---|
| 548 | */ |
---|
| 549 | void NetworkStream::handleConnect( int userId) |
---|
| 550 | { |
---|
| 551 | // create new handshake and init its variables |
---|
[9656] | 552 | this->peers[userId].handshake = new Handshake(this->pInfo->nodeType, userId, this->networkGameManager->getUniqueID(), MessageManager::getInstance()->getUniqueID()); |
---|
| 553 | this->peers[userId].handshake->setUniqueID(userId); |
---|
[9246] | 554 | |
---|
[9656] | 555 | this->peers[userId].connectionMonitor = new ConnectionMonitor( userId ); |
---|
| 556 | this->peers[userId].userId = userId; |
---|
| 557 | this->peers[userId].bLocal = true; |
---|
[9246] | 558 | |
---|
[9494] | 559 | PRINTF(0)("num sync: %d\n", synchronizeables.size()); |
---|
[9246] | 560 | |
---|
[9494] | 561 | // get the proxy server informations and write them to the handshake, if any (proxy) |
---|
| 562 | assert( this->networkMonitor != NULL); |
---|
| 563 | PeerInfo* pi = this->networkMonitor->getFirstChoiceProxy(); |
---|
| 564 | if( pi != NULL) |
---|
| 565 | { |
---|
[9656] | 566 | this->peers[userId].handshake->setProxy1Address( pi->ip); |
---|
[6139] | 567 | } |
---|
[9494] | 568 | pi = this->networkMonitor->getSecondChoiceProxy(); |
---|
| 569 | if( pi != NULL) |
---|
[9656] | 570 | this->peers[userId].handshake->setProxy2Address( pi->ip); |
---|
[6139] | 571 | |
---|
[9494] | 572 | // check if the connecting client should reconnect to a proxy server |
---|
| 573 | if( SharedNetworkData::getInstance()->isMasterServer()) |
---|
[9656] | 574 | { |
---|
| 575 | if( this->networkMonitor->isReconnectNextClient()) |
---|
| 576 | { |
---|
| 577 | this->peers[userId].handshake->setRedirect(true); |
---|
| 578 | PRINTF(0)("forwarding client to proxy server because this server is saturated\n"); |
---|
| 579 | } |
---|
| 580 | } |
---|
[6139] | 581 | |
---|
[9494] | 582 | // the connecting node of course is a client |
---|
[9656] | 583 | this->peers[userId].ip = this->peers[userId].socket->getRemoteAddress(); |
---|
[7954] | 584 | } |
---|
[5800] | 585 | |
---|
[9246] | 586 | |
---|
[9656] | 587 | /** |
---|
| 588 | * this handles new soft connections |
---|
| 589 | * @param userId: the id of the new user node |
---|
| 590 | * |
---|
| 591 | * soft connections are connections from clients that are already in the network and don't need a new handshake etc. |
---|
| 592 | * the state of all entitites owned by userId are not deleted and stay |
---|
| 593 | * soft connections can not be redirected therefore they are negotiated between the to parties |
---|
| 594 | */ |
---|
| 595 | void NetworkStream::handleSoftConnect( int userId) |
---|
| 596 | { |
---|
| 597 | // create new handshake and init its variables |
---|
| 598 | this->peers[userId].handshake = NULL; |
---|
| 599 | this->peers[userId].handshake->setUniqueID(userId); |
---|
[9494] | 600 | |
---|
[9656] | 601 | this->peers[userId].connectionMonitor = new ConnectionMonitor( userId ); |
---|
| 602 | this->peers[userId].userId = userId; |
---|
| 603 | this->peers[userId].bLocal = true; |
---|
| 604 | |
---|
| 605 | PRINTF(0)("num sync: %d\n", synchronizeables.size()); |
---|
| 606 | |
---|
| 607 | // the connecting node of course is a client |
---|
| 608 | this->peers[userId].ip = this->peers[userId].socket->getRemoteAddress(); |
---|
| 609 | } |
---|
| 610 | |
---|
| 611 | |
---|
| 612 | |
---|
| 613 | |
---|
[9494] | 614 | /** |
---|
| 615 | * some debug output |
---|
| 616 | */ |
---|
[7954] | 617 | void NetworkStream::debug() |
---|
| 618 | { |
---|
[9406] | 619 | if( SharedNetworkData::getInstance()->isMasterServer()) { |
---|
| 620 | PRINT(0)(" Host ist Master Server with ID: %i\n", this->pInfo->userId); |
---|
| 621 | } |
---|
[9494] | 622 | else if( SharedNetworkData::getInstance()->isProxyServerActive()) { |
---|
[9406] | 623 | PRINT(0)(" Host ist Proxy Server with ID: %i\n", this->pInfo->userId); |
---|
| 624 | } |
---|
| 625 | else { |
---|
| 626 | PRINT(0)(" Host ist Client with ID: %i\n", this->pInfo->userId); |
---|
| 627 | } |
---|
[6695] | 628 | |
---|
[9656] | 629 | PRINT(0)(" Current number of connections is: %i\n", this->peers.size()); |
---|
| 630 | for ( PeerList::iterator it = peers.begin(); it != peers.end(); it++ ) |
---|
| 631 | { |
---|
| 632 | PRINT(0)(" peers[%i] with uniqueId %i and address: %s\n", it->first, it->second.userId, it->second.ip.ipString().c_str()); |
---|
| 633 | } |
---|
| 634 | PRINT(0)("\n\n"); |
---|
| 635 | |
---|
| 636 | |
---|
[7954] | 637 | PRINT(0)(" Got %i connected Synchronizeables, showing active Syncs:\n", this->synchronizeables.size()); |
---|
[6139] | 638 | for (SynchronizeableList::iterator it = synchronizeables.begin(); it!=synchronizeables.end(); it++) |
---|
[5996] | 639 | { |
---|
[7954] | 640 | if( (*it)->beSynchronized() == true) |
---|
[9406] | 641 | PRINT(0)(" Synchronizeable of class: %s::%s, with unique ID: %i, Synchronize: %i\n", (*it)->getClassCName(), (*it)->getCName(), |
---|
[7954] | 642 | (*it)->getUniqueID(), (*it)->beSynchronized()); |
---|
| 643 | } |
---|
[9406] | 644 | PRINT(0)(" Maximal Connections: %i\n", SharedNetworkData::getInstance()->getMaxPlayer() ); |
---|
[6959] | 645 | |
---|
[7954] | 646 | } |
---|
[6959] | 647 | |
---|
| 648 | |
---|
[9246] | 649 | /** |
---|
| 650 | * @returns the number of synchronizeables registered to this stream |
---|
| 651 | */ |
---|
[7954] | 652 | int NetworkStream::getSyncCount() |
---|
| 653 | { |
---|
| 654 | int n = 0; |
---|
| 655 | for (SynchronizeableList::iterator it = synchronizeables.begin(); it!=synchronizeables.end(); it++) |
---|
| 656 | if( (*it)->beSynchronized() == true) |
---|
| 657 | ++n; |
---|
[5730] | 658 | |
---|
[7954] | 659 | //return synchronizeables.size(); |
---|
| 660 | return n; |
---|
| 661 | } |
---|
[6139] | 662 | |
---|
[9246] | 663 | |
---|
[7954] | 664 | /** |
---|
[9246] | 665 | * check if handshakes completed. if so create the network game manager else remove it again |
---|
[7954] | 666 | */ |
---|
| 667 | void NetworkStream::handleHandshakes( ) |
---|
| 668 | { |
---|
| 669 | for ( PeerList::iterator it = peers.begin(); it != peers.end(); it++ ) |
---|
| 670 | { |
---|
| 671 | if ( it->second.handshake ) |
---|
| 672 | { |
---|
[9406] | 673 | // handshake finished |
---|
[7954] | 674 | if ( it->second.handshake->completed() ) |
---|
| 675 | { |
---|
[9406] | 676 | //handshake is correct |
---|
[7954] | 677 | if ( it->second.handshake->ok() ) |
---|
[6341] | 678 | { |
---|
[9494] | 679 | // write the first informations into the node so they can be read from there for case differentiation |
---|
| 680 | it->second.nodeType = it->second.handshake->getRemoteNodeType(); |
---|
| 681 | |
---|
| 682 | // the counter part didn't mark it free for deletion yet |
---|
[7954] | 683 | if ( !it->second.handshake->allowDel() ) |
---|
[6139] | 684 | { |
---|
[9494] | 685 | // make sure this is a connection: |
---|
| 686 | // - client <==> master server |
---|
| 687 | // - proxy server <==> master server |
---|
[9656] | 688 | if( SharedNetworkData::getInstance()->isClient() || |
---|
| 689 | SharedNetworkData::getInstance()->isProxyServerActive() && |
---|
| 690 | SharedNetworkData::getInstance()->isUserMasterServer(it->second.userId)) |
---|
[9494] | 691 | { |
---|
[9656] | 692 | PRINTF(4)("Handshake: i am in client role\n"); |
---|
[9406] | 693 | |
---|
[7954] | 694 | SharedNetworkData::getInstance()->setHostID( it->second.handshake->getHostId() ); |
---|
[9406] | 695 | this->pInfo->userId = SharedNetworkData::getInstance()->getHostID(); |
---|
[7954] | 696 | |
---|
[9494] | 697 | // it->second.ip = it->second.socket->getRemoteAddress(); |
---|
| 698 | |
---|
[9656] | 699 | it->second.nodeType = it->second.handshake->getRemoteNodeType(); |
---|
[9494] | 700 | // it->second.ip = it->second.socket->getRemoteAddress(); |
---|
[9406] | 701 | // add the new server to the nodes list (it can be a NET_MASTER_SERVER or NET_PROXY_SERVER) |
---|
| 702 | this->networkMonitor->addNode(&it->second); |
---|
| 703 | // get proxy 1 address and add it |
---|
| 704 | this->networkMonitor->addNode(it->second.handshake->getProxy1Address(), NET_PROXY_SERVER_ACTIVE); |
---|
| 705 | // get proxy 2 address and add it |
---|
| 706 | this->networkMonitor->addNode(it->second.handshake->getProxy2Address(), NET_PROXY_SERVER_ACTIVE); |
---|
| 707 | |
---|
| 708 | // now check if the server accepted the connection |
---|
[9494] | 709 | if( SharedNetworkData::getInstance()->isClient() && it->second.handshake->redirect() ) |
---|
| 710 | { |
---|
| 711 | this->bRedirect = true; |
---|
| 712 | } |
---|
[9406] | 713 | |
---|
| 714 | // create the new network game manager and init it |
---|
[7954] | 715 | this->networkGameManager = NetworkGameManager::getInstance(); |
---|
| 716 | this->networkGameManager->setUniqueID( it->second.handshake->getNetworkGameManagerId() ); |
---|
[9406] | 717 | // init the new message manager |
---|
[7954] | 718 | MessageManager::getInstance()->setUniqueID( it->second.handshake->getMessageManagerId() ); |
---|
[10114] | 719 | ObjectListBase::replaceIDMap( *(it->second.handshake->getClassIdList()) ); |
---|
[6868] | 720 | } |
---|
[7954] | 721 | |
---|
| 722 | PRINT(0)("handshake finished id=%d\n", it->second.handshake->getNetworkGameManagerId()); |
---|
| 723 | it->second.handshake->del(); |
---|
[9494] | 724 | |
---|
[6139] | 725 | } |
---|
| 726 | else |
---|
| 727 | { |
---|
[9406] | 728 | // handshake finished registring new player |
---|
[7954] | 729 | if ( it->second.handshake->canDel() ) |
---|
[6868] | 730 | { |
---|
[9406] | 731 | |
---|
[9494] | 732 | if ( SharedNetworkData::getInstance()->isMasterServer() ) |
---|
[7954] | 733 | { |
---|
[9406] | 734 | it->second.ip = it->second.socket->getRemoteAddress(); |
---|
[9246] | 735 | |
---|
[9406] | 736 | this->networkMonitor->addNode(&it->second); |
---|
| 737 | |
---|
| 738 | this->handleNewClient( it->second.userId ); |
---|
| 739 | |
---|
[9235] | 740 | if ( PlayerStats::getStats( it->second.userId ) && it->second.handshake->getPreferedNickName() != "" ) |
---|
| 741 | { |
---|
| 742 | PlayerStats::getStats( it->second.userId )->setNickName( it->second.handshake->getPreferedNickName() ); |
---|
| 743 | } |
---|
[7954] | 744 | } |
---|
[9494] | 745 | else if ( SharedNetworkData::getInstance()->isProxyServerActive() && it->second.isClient() ) |
---|
[9406] | 746 | { |
---|
[9656] | 747 | PRINTF(4)("Handshake: Proxy in server role: connecting %i\n", it->second.userId); |
---|
[9494] | 748 | |
---|
[9406] | 749 | it->second.ip = it->second.socket->getRemoteAddress(); |
---|
[9246] | 750 | |
---|
[9406] | 751 | this->networkMonitor->addNode(&it->second); |
---|
| 752 | |
---|
[9656] | 753 | // work with the ProxyControl to init the new client |
---|
| 754 | ProxyControl::getInstance()->signalNewClient( it->second.userId); |
---|
[9406] | 755 | |
---|
| 756 | if ( PlayerStats::getStats( it->second.userId ) && it->second.handshake->getPreferedNickName() != "" ) |
---|
| 757 | { |
---|
| 758 | PlayerStats::getStats( it->second.userId )->setNickName( it->second.handshake->getPreferedNickName() ); |
---|
| 759 | } |
---|
| 760 | } |
---|
| 761 | |
---|
[7954] | 762 | PRINT(0)("handshake finished delete it\n"); |
---|
| 763 | delete it->second.handshake; |
---|
| 764 | it->second.handshake = NULL; |
---|
[6868] | 765 | } |
---|
[6139] | 766 | } |
---|
[7954] | 767 | |
---|
[6139] | 768 | } |
---|
| 769 | else |
---|
| 770 | { |
---|
[7954] | 771 | PRINT(1)("handshake failed!\n"); |
---|
| 772 | it->second.socket->disconnectServer(); |
---|
[6139] | 773 | } |
---|
[7954] | 774 | } |
---|
[6139] | 775 | } |
---|
[5996] | 776 | } |
---|
[7954] | 777 | } |
---|
[5741] | 778 | |
---|
[9246] | 779 | |
---|
[7954] | 780 | /** |
---|
[9406] | 781 | * this functions handles a reconnect event received from the a NET_MASTER_SERVER or NET_PROXY_SERVER |
---|
[9656] | 782 | * @param userId |
---|
[9406] | 783 | */ |
---|
| 784 | void NetworkStream::handleReconnect(int userId) |
---|
| 785 | { |
---|
[9494] | 786 | this->bRedirect = false; |
---|
[9656] | 787 | #warning this peer will be created if it does not yet exist: dangerous |
---|
[9494] | 788 | PeerInfo* pInfo = &this->peers[userId]; |
---|
| 789 | |
---|
[9656] | 790 | IP proxyIP; |
---|
| 791 | if( this->networkMonitor->isForcedReconnection()) |
---|
| 792 | proxyIP = this->networkMonitor->getForcedReconnectionIP(); |
---|
| 793 | else |
---|
| 794 | proxyIP = pInfo->handshake->getProxy1Address(); |
---|
| 795 | |
---|
[9406] | 796 | PRINTF(0)("===============================================\n"); |
---|
| 797 | PRINTF(0)("Client is redirected to the other proxy servers\n"); |
---|
[9494] | 798 | PRINTF(0)(" user id: %i\n", userId); |
---|
[9656] | 799 | PRINTF(0)(" connecting to: %s\n", proxyIP.ipString().c_str()); |
---|
[9406] | 800 | PRINTF(0)("===============================================\n"); |
---|
| 801 | |
---|
| 802 | // flush the old synchronization states, since the numbering could be completely different |
---|
| 803 | pInfo->lastAckedState = 0; |
---|
| 804 | pInfo->lastRecvedState = 0; |
---|
| 805 | |
---|
| 806 | // disconnect from the current server and reconnect to proxy server |
---|
[9494] | 807 | this->handleDisconnect( userId); |
---|
| 808 | this->connectToProxyServer(NET_ID_PROXY_SERVER_01, proxyIP.ipString(), 9999); |
---|
[9656] | 809 | // this->connectToMasterServer(proxyIP.ipString(), 9999); |
---|
[9494] | 810 | #warning the ports are not yet integrated correctly in the ip class |
---|
[9406] | 811 | |
---|
| 812 | // and restart the handshake |
---|
[9494] | 813 | this->startHandshake( userId); |
---|
[9406] | 814 | } |
---|
| 815 | |
---|
| 816 | |
---|
[9656] | 817 | |
---|
[9406] | 818 | /** |
---|
[9656] | 819 | * reconnects to another server, with full handshake |
---|
| 820 | * @param address of the new server |
---|
| 821 | */ |
---|
| 822 | void NetworkStream::reconnectToServer(IP address) |
---|
| 823 | { |
---|
| 824 | ///TODO make a redirection struct and push it to the network monitor |
---|
| 825 | this->networkMonitor->setForcedReconnection(address); |
---|
| 826 | |
---|
| 827 | // reconnect (depending on how we are connected at the moment) |
---|
| 828 | if ( peers.find( NET_ID_MASTER_SERVER) != peers.end() ) |
---|
| 829 | this->redirectionUID = NET_ID_MASTER_SERVER; |
---|
| 830 | else if( peers.find( NET_ID_PROXY_SERVER_01) != peers.end() ) |
---|
| 831 | this->redirectionUID = NET_ID_PROXY_SERVER_01; |
---|
| 832 | |
---|
| 833 | this->bRedirect = true; |
---|
| 834 | } |
---|
| 835 | |
---|
| 836 | |
---|
| 837 | |
---|
| 838 | /** |
---|
| 839 | * softly reconnecting to another server |
---|
| 840 | * @param serverUserId the id of the client |
---|
| 841 | * @param address of the new server |
---|
| 842 | */ |
---|
| 843 | void NetworkStream::softReconnectToServer(int serverUserId, IP address) |
---|
| 844 | { |
---|
| 845 | // this->networkMonitor->setForcedReconnection(address); |
---|
| 846 | // this->handleReconnect( NET_ID_MASTER_SERVER); |
---|
| 847 | |
---|
| 848 | // create the new udp socket and open the connection to the soft connection port |
---|
| 849 | NetworkSocket* newSocket = new UdpSocket(address.ipString(), 10001); |
---|
| 850 | |
---|
| 851 | // delete the synchronization state of this client for all syncs |
---|
| 852 | for ( SynchronizeableList::iterator it2 = synchronizeables.begin(); it2 != synchronizeables.end(); it2++ ) { |
---|
| 853 | (*it2)->cleanUpUser( serverUserId ); |
---|
| 854 | } |
---|
| 855 | |
---|
| 856 | // temp save the old socket |
---|
| 857 | NetworkSocket* oldSocket = this->peers[serverUserId].socket; |
---|
| 858 | |
---|
| 859 | // now integrate the new socket |
---|
| 860 | this->peers[serverUserId].socket = newSocket; |
---|
| 861 | |
---|
| 862 | this->bSoftRedirect = false; |
---|
| 863 | return; |
---|
| 864 | |
---|
| 865 | // now remove the old socket |
---|
| 866 | oldSocket->disconnectServer(); |
---|
| 867 | delete oldSocket; |
---|
| 868 | |
---|
| 869 | // replace the old connection monitor |
---|
| 870 | if ( this->peers[serverUserId].connectionMonitor ) |
---|
| 871 | delete this->peers[serverUserId].connectionMonitor; |
---|
| 872 | this->peers[serverUserId].connectionMonitor = new ConnectionMonitor(serverUserId); |
---|
| 873 | |
---|
| 874 | // remove old node from the network monitor |
---|
| 875 | this->networkMonitor->removeNode(&this->peers[serverUserId]); |
---|
| 876 | |
---|
| 877 | } |
---|
| 878 | |
---|
| 879 | |
---|
| 880 | |
---|
| 881 | /** |
---|
| 882 | * prepares a soft connection for a client to connect to |
---|
| 883 | * @param userId that will connect to this server |
---|
| 884 | */ |
---|
| 885 | void NetworkStream::prepareSoftConnection(int userId) |
---|
| 886 | { |
---|
| 887 | PRINTF(0)("prepare soft connection for userId %i\n"); |
---|
| 888 | } |
---|
| 889 | |
---|
| 890 | |
---|
| 891 | |
---|
| 892 | /** |
---|
[9494] | 893 | * handles the disconnect event |
---|
| 894 | * @param userId id of the user to remove |
---|
| 895 | */ |
---|
| 896 | void NetworkStream::handleDisconnect( int userId ) |
---|
| 897 | { |
---|
[9656] | 898 | this->peers[userId].socket->disconnectServer(); |
---|
| 899 | delete this->peers[userId].socket; |
---|
| 900 | this->peers[userId].socket = NULL; |
---|
[9494] | 901 | |
---|
[9656] | 902 | if ( this->peers[userId].handshake ) |
---|
| 903 | delete this->peers[userId].handshake; |
---|
| 904 | this->peers[userId].handshake = NULL; |
---|
[9494] | 905 | |
---|
[9656] | 906 | if ( this->peers[userId].connectionMonitor ) |
---|
| 907 | delete this->peers[userId].connectionMonitor; |
---|
| 908 | this->peers[userId].connectionMonitor = NULL; |
---|
[9494] | 909 | |
---|
[9656] | 910 | // delete the synchronization state of this client for all syncs |
---|
[9494] | 911 | for ( SynchronizeableList::iterator it2 = synchronizeables.begin(); it2 != synchronizeables.end(); it2++ ) { |
---|
| 912 | (*it2)->cleanUpUser( userId ); |
---|
| 913 | } |
---|
| 914 | |
---|
| 915 | if( SharedNetworkData::getInstance()->isMasterServer()) |
---|
| 916 | NetworkGameManager::getInstance()->signalLeftPlayer(userId); |
---|
| 917 | |
---|
| 918 | this->freeSocketSlots.push_back( userId ); |
---|
| 919 | |
---|
[9656] | 920 | this->networkMonitor->removeNode(&this->peers[userId]); |
---|
| 921 | this->peers.erase( userId); |
---|
[9494] | 922 | } |
---|
| 923 | |
---|
| 924 | |
---|
| 925 | /** |
---|
[7954] | 926 | * handle upstream network traffic |
---|
[9494] | 927 | * @param tick: seconds elapsed since last update |
---|
[7954] | 928 | */ |
---|
[8068] | 929 | void NetworkStream::handleUpstream( int tick ) |
---|
[7954] | 930 | { |
---|
| 931 | int offset; |
---|
| 932 | int n; |
---|
[9246] | 933 | |
---|
[8068] | 934 | for ( PeerList::reverse_iterator peer = peers.rbegin(); peer != peers.rend(); peer++ ) |
---|
[5802] | 935 | { |
---|
[9246] | 936 | offset = INTSIZE; // reserve enough space for the packet length |
---|
| 937 | |
---|
| 938 | // continue with the next peer if this peer has no socket assigned (therefore no network) |
---|
[7954] | 939 | if ( !peer->second.socket ) |
---|
| 940 | continue; |
---|
[9246] | 941 | |
---|
| 942 | // header informations: current state |
---|
[7954] | 943 | n = Converter::intToByteArray( currentState, buf + offset, UDP_PACKET_SIZE - offset ); |
---|
| 944 | assert( n == INTSIZE ); |
---|
| 945 | offset += n; |
---|
[9246] | 946 | |
---|
| 947 | // header informations: last acked state |
---|
[7954] | 948 | n = Converter::intToByteArray( peer->second.lastAckedState, buf + offset, UDP_PACKET_SIZE - offset ); |
---|
| 949 | assert( n == INTSIZE ); |
---|
| 950 | offset += n; |
---|
[9246] | 951 | |
---|
| 952 | // header informations: last recved state |
---|
[7954] | 953 | n = Converter::intToByteArray( peer->second.lastRecvedState, buf + offset, UDP_PACKET_SIZE - offset ); |
---|
| 954 | assert( n == INTSIZE ); |
---|
| 955 | offset += n; |
---|
[9246] | 956 | |
---|
| 957 | // now write all synchronizeables in the packet |
---|
[7954] | 958 | for ( SynchronizeableList::iterator it = synchronizeables.begin(); it != synchronizeables.end(); it++ ) |
---|
[5810] | 959 | { |
---|
[9406] | 960 | |
---|
[7954] | 961 | int oldOffset = offset; |
---|
| 962 | Synchronizeable & sync = **it; |
---|
[9246] | 963 | |
---|
[9406] | 964 | |
---|
[9246] | 965 | // do not include synchronizeables with uninit id and syncs that don't want to be synchronized |
---|
[9494] | 966 | if ( !sync.beSynchronized() || sync.getUniqueID() <= NET_UID_UNASSIGNED ) |
---|
[7954] | 967 | continue; |
---|
[5730] | 968 | |
---|
[9246] | 969 | // if handshake not finished only sync handshake |
---|
[10114] | 970 | if ( peer->second.handshake && Handshake::staticClassID() != sync.getClassID() ) |
---|
[7954] | 971 | continue; |
---|
[9246] | 972 | |
---|
[9406] | 973 | // if we are a server (both master and proxy servers) and this is not our handshake |
---|
[9494] | 974 | if ( ( SharedNetworkData::getInstance()->isMasterServer() || |
---|
| 975 | SharedNetworkData::getInstance()->isProxyServerActive() && peer->second.isClient()) |
---|
[10114] | 976 | && Handshake::staticClassID() == sync.getClassID() && sync.getUniqueID() != peer->second.userId ) |
---|
[7954] | 977 | continue; |
---|
[9246] | 978 | |
---|
| 979 | /* list of synchronizeables that will never be synchronized over the network: */ |
---|
| 980 | // do not sync null parent |
---|
[10114] | 981 | if ( NullParent::staticClassID() == sync.getClassID()) |
---|
[7954] | 982 | continue; |
---|
[6139] | 983 | |
---|
[9406] | 984 | |
---|
[10114] | 985 | assert( sync.getClassID() != 0); |
---|
[9406] | 986 | |
---|
[7954] | 987 | assert( offset + INTSIZE <= UDP_PACKET_SIZE ); |
---|
[9246] | 988 | |
---|
[9656] | 989 | // server fakes uniqueid == 0 for handshake synchronizeable |
---|
[9494] | 990 | if ( ( SharedNetworkData::getInstance()->isMasterServer() || |
---|
| 991 | SharedNetworkData::getInstance()->isProxyServerActive() && peer->second.isClient() ) && |
---|
[9656] | 992 | ( sync.getUniqueID() >= 1000 || sync.getUniqueID() <= SharedNetworkData::getInstance()->getMaxPlayer() + 1 + NET_ID_PROXY_MAX)) |
---|
[7954] | 993 | n = Converter::intToByteArray( 0, buf + offset, UDP_PACKET_SIZE - offset ); |
---|
| 994 | else |
---|
| 995 | n = Converter::intToByteArray( sync.getUniqueID(), buf + offset, UDP_PACKET_SIZE - offset ); |
---|
[9246] | 996 | |
---|
[9406] | 997 | |
---|
[7954] | 998 | assert( n == INTSIZE ); |
---|
| 999 | offset += n; |
---|
[9246] | 1000 | |
---|
[9406] | 1001 | // make space for packet size |
---|
[7954] | 1002 | offset += INTSIZE; |
---|
[6139] | 1003 | |
---|
[7954] | 1004 | n = sync.getStateDiff( peer->second.userId, buf + offset, UDP_PACKET_SIZE-offset, currentState, peer->second.lastAckedState, -1000 ); |
---|
| 1005 | offset += n; |
---|
[9246] | 1006 | |
---|
[7954] | 1007 | assert( Converter::intToByteArray( n, buf + offset - n - INTSIZE, INTSIZE ) == INTSIZE ); |
---|
[6341] | 1008 | |
---|
[9246] | 1009 | // check if all data bytes == 0 -> remove data and the synchronizeable from the sync process since there is no update |
---|
| 1010 | // TODO not all synchronizeables like this maybe add Synchronizeable::canRemoveZeroDiff() |
---|
| 1011 | bool allZero = true; |
---|
| 1012 | for ( int i = 0; i < n; i++ ) |
---|
| 1013 | { |
---|
| 1014 | if ( buf[i+oldOffset+2*INTSIZE] != 0 ) |
---|
| 1015 | allZero = false; |
---|
| 1016 | } |
---|
| 1017 | // if there is no new data in this synchronizeable reset the data offset to the last state -> dont synchronizes |
---|
| 1018 | // data that hast not changed |
---|
| 1019 | if ( allZero ) |
---|
| 1020 | { |
---|
| 1021 | offset = oldOffset; |
---|
| 1022 | } |
---|
| 1023 | } // all synchronizeables written |
---|
[6139] | 1024 | |
---|
[9246] | 1025 | |
---|
| 1026 | |
---|
[7954] | 1027 | for ( SynchronizeableList::iterator it = synchronizeables.begin(); it != synchronizeables.end(); it++ ) |
---|
| 1028 | { |
---|
| 1029 | Synchronizeable & sync = **it; |
---|
[9246] | 1030 | |
---|
[9494] | 1031 | // again exclude all unwanted syncs |
---|
| 1032 | if ( !sync.beSynchronized() || sync.getUniqueID() <= NET_UID_UNASSIGNED) |
---|
[7954] | 1033 | continue; |
---|
[9246] | 1034 | |
---|
[7954] | 1035 | sync.handleSentState( peer->second.userId, currentState, peer->second.lastAckedState ); |
---|
| 1036 | } |
---|
[9246] | 1037 | |
---|
| 1038 | |
---|
[7954] | 1039 | assert( Converter::intToByteArray( offset, buf, INTSIZE ) == INTSIZE ); |
---|
[9246] | 1040 | |
---|
| 1041 | // now compress the data with the zip library |
---|
[8623] | 1042 | int compLength = 0; |
---|
[9494] | 1043 | if ( SharedNetworkData::getInstance()->isMasterServer() || |
---|
| 1044 | SharedNetworkData::getInstance()->isProxyServerActive()) |
---|
[8623] | 1045 | compLength = Zip::getInstance()->zip( buf, offset, compBuf, UDP_PACKET_SIZE, dictServer ); |
---|
| 1046 | else |
---|
| 1047 | compLength = Zip::getInstance()->zip( buf, offset, compBuf, UDP_PACKET_SIZE, dictClient ); |
---|
[9246] | 1048 | |
---|
[8623] | 1049 | if ( compLength <= 0 ) |
---|
[7954] | 1050 | { |
---|
| 1051 | PRINTF(1)("compression failed!\n"); |
---|
| 1052 | continue; |
---|
| 1053 | } |
---|
[9246] | 1054 | |
---|
[7954] | 1055 | assert( peer->second.socket->writePacket( compBuf, compLength ) ); |
---|
[9246] | 1056 | |
---|
[7954] | 1057 | if ( this->remainingBytesToWriteToDict > 0 ) |
---|
[8623] | 1058 | writeToNewDict( buf, offset, true ); |
---|
[9246] | 1059 | |
---|
[8068] | 1060 | peer->second.connectionMonitor->processUnzippedOutgoingPacket( tick, buf, offset, currentState ); |
---|
| 1061 | peer->second.connectionMonitor->processZippedOutgoingPacket( tick, compBuf, compLength, currentState ); |
---|
[9246] | 1062 | |
---|
[5810] | 1063 | } |
---|
[6139] | 1064 | } |
---|
| 1065 | |
---|
[7954] | 1066 | /** |
---|
| 1067 | * handle downstream network traffic |
---|
| 1068 | */ |
---|
[8068] | 1069 | void NetworkStream::handleDownstream( int tick ) |
---|
[6139] | 1070 | { |
---|
[7954] | 1071 | int offset = 0; |
---|
[9246] | 1072 | |
---|
[7954] | 1073 | int length = 0; |
---|
| 1074 | int packetLength = 0; |
---|
| 1075 | int compLength = 0; |
---|
| 1076 | int uniqueId = 0; |
---|
| 1077 | int state = 0; |
---|
| 1078 | int ackedState = 0; |
---|
| 1079 | int fromState = 0; |
---|
| 1080 | int syncDataLength = 0; |
---|
[9246] | 1081 | |
---|
[7954] | 1082 | for ( PeerList::iterator peer = peers.begin(); peer != peers.end(); peer++ ) |
---|
[5810] | 1083 | { |
---|
[9246] | 1084 | |
---|
[7954] | 1085 | if ( !peer->second.socket ) |
---|
| 1086 | continue; |
---|
[5730] | 1087 | |
---|
[7954] | 1088 | while ( 0 < (compLength = peer->second.socket->readPacket( compBuf, UDP_PACKET_SIZE )) ) |
---|
[6139] | 1089 | { |
---|
[8068] | 1090 | peer->second.connectionMonitor->processZippedIncomingPacket( tick, compBuf, compLength ); |
---|
[9246] | 1091 | |
---|
[7954] | 1092 | packetLength = Zip::getInstance()->unZip( compBuf, compLength, buf, UDP_PACKET_SIZE ); |
---|
[8623] | 1093 | |
---|
[7954] | 1094 | if ( packetLength < 4*INTSIZE ) |
---|
| 1095 | { |
---|
| 1096 | if ( packetLength != 0 ) |
---|
| 1097 | PRINTF(1)("got too small packet: %d\n", packetLength); |
---|
| 1098 | continue; |
---|
| 1099 | } |
---|
[9246] | 1100 | |
---|
[7954] | 1101 | if ( this->remainingBytesToWriteToDict > 0 ) |
---|
[8623] | 1102 | writeToNewDict( buf, packetLength, false ); |
---|
[9246] | 1103 | |
---|
[7954] | 1104 | assert( Converter::byteArrayToInt( buf, &length ) == INTSIZE ); |
---|
| 1105 | assert( Converter::byteArrayToInt( buf + INTSIZE, &state ) == INTSIZE ); |
---|
| 1106 | assert( Converter::byteArrayToInt( buf + 2*INTSIZE, &fromState ) == INTSIZE ); |
---|
| 1107 | assert( Converter::byteArrayToInt( buf + 3*INTSIZE, &ackedState ) == INTSIZE ); |
---|
| 1108 | offset = 4*INTSIZE; |
---|
[9246] | 1109 | |
---|
[8623] | 1110 | peer->second.connectionMonitor->processUnzippedIncomingPacket( tick, buf, packetLength, state, ackedState ); |
---|
[6139] | 1111 | |
---|
[9246] | 1112 | |
---|
[9406] | 1113 | //if this is an old state drop it |
---|
[7954] | 1114 | if ( state <= peer->second.lastRecvedState ) |
---|
| 1115 | continue; |
---|
[9246] | 1116 | |
---|
[7954] | 1117 | if ( packetLength != length ) |
---|
| 1118 | { |
---|
| 1119 | PRINTF(1)("real packet length (%d) and transmitted packet length (%d) do not match!\n", packetLength, length); |
---|
| 1120 | peer->second.socket->disconnectServer(); |
---|
| 1121 | continue; |
---|
| 1122 | } |
---|
[9246] | 1123 | |
---|
[9406] | 1124 | while ( offset + 2 * INTSIZE < length ) |
---|
[7954] | 1125 | { |
---|
[9656] | 1126 | // read the unique id of the sync |
---|
[7954] | 1127 | assert( offset > 0 ); |
---|
| 1128 | assert( Converter::byteArrayToInt( buf + offset, &uniqueId ) == INTSIZE ); |
---|
| 1129 | offset += INTSIZE; |
---|
[9246] | 1130 | |
---|
[9656] | 1131 | // read the data length |
---|
[7954] | 1132 | assert( Converter::byteArrayToInt( buf + offset, &syncDataLength ) == INTSIZE ); |
---|
| 1133 | offset += INTSIZE; |
---|
[9246] | 1134 | |
---|
[7954] | 1135 | assert( syncDataLength > 0 ); |
---|
| 1136 | assert( syncDataLength < 10000 ); |
---|
[9246] | 1137 | |
---|
[7954] | 1138 | Synchronizeable * sync = NULL; |
---|
[9246] | 1139 | |
---|
[9406] | 1140 | // look for the synchronizeable in question |
---|
[7954] | 1141 | for ( SynchronizeableList::iterator it = synchronizeables.begin(); it != synchronizeables.end(); it++ ) |
---|
[9246] | 1142 | { |
---|
[9656] | 1143 | // client thinks his handshake has a special id: hostId * 1000 (host id of this server) |
---|
| 1144 | if ( (*it)->getUniqueID() == uniqueId || // so this client exists already go to sync work |
---|
| 1145 | ( uniqueId == 0 && (*it)->getUniqueID() == peer->second.userId ) ) // so this is a Handshake! |
---|
[7954] | 1146 | { |
---|
| 1147 | sync = *it; |
---|
| 1148 | break; |
---|
| 1149 | } |
---|
| 1150 | } |
---|
[9246] | 1151 | |
---|
[9406] | 1152 | // this synchronizeable does not yet exist! create it |
---|
[7954] | 1153 | if ( sync == NULL ) |
---|
| 1154 | { |
---|
| 1155 | PRINTF(0)("could not find sync with id %d. try to create it\n", uniqueId); |
---|
[9406] | 1156 | |
---|
| 1157 | // if it is an old synchronizeable already removed, ignore it |
---|
[7954] | 1158 | if ( oldSynchronizeables.find( uniqueId ) != oldSynchronizeables.end() ) |
---|
| 1159 | { |
---|
| 1160 | offset += syncDataLength; |
---|
| 1161 | continue; |
---|
| 1162 | } |
---|
[9246] | 1163 | |
---|
[9494] | 1164 | // if the node we got this unknown sync we ignore it if: |
---|
| 1165 | // - the remote host is a client |
---|
| 1166 | // - the remote host is a proxy server and we are master server |
---|
| 1167 | // (since it has no rights to create a new sync) |
---|
| 1168 | if ( peers[peer->second.userId].isClient() || |
---|
| 1169 | (peers[peer->second.userId].isProxyServerActive() && SharedNetworkData::getInstance()->isMasterServer())) |
---|
[7954] | 1170 | { |
---|
| 1171 | offset += syncDataLength; |
---|
| 1172 | continue; |
---|
| 1173 | } |
---|
[9246] | 1174 | |
---|
[7954] | 1175 | int leafClassId; |
---|
| 1176 | if ( INTSIZE > length - offset ) |
---|
| 1177 | { |
---|
| 1178 | offset += syncDataLength; |
---|
| 1179 | continue; |
---|
| 1180 | } |
---|
[6139] | 1181 | |
---|
[7954] | 1182 | Converter::byteArrayToInt( buf + offset, &leafClassId ); |
---|
[9246] | 1183 | |
---|
[7954] | 1184 | assert( leafClassId != 0 ); |
---|
[9246] | 1185 | |
---|
[9406] | 1186 | |
---|
[7954] | 1187 | BaseObject * b = NULL; |
---|
| 1188 | /* These are some small exeptions in creation: Not all objects can/should be created via Factory */ |
---|
| 1189 | /* Exception 1: NullParent */ |
---|
[9869] | 1190 | if( NullParent::staticClassID() == leafClassId || Synchronizeable::staticClassID() == leafClassId || NetworkGameManager::staticClassID() == leafClassId) |
---|
[7954] | 1191 | { |
---|
[10114] | 1192 | PRINTF(0)("Don't create Object with ID %d, ignored!\n", (int)leafClassId); |
---|
[7954] | 1193 | offset += syncDataLength; |
---|
| 1194 | continue; |
---|
| 1195 | } |
---|
| 1196 | else |
---|
[10114] | 1197 | b = Factory::fabricate( ObjectListBase::retrieveIdentity( leafClassId ) ); |
---|
| 1198 | |
---|
[7954] | 1199 | if ( !b ) |
---|
| 1200 | { |
---|
[10114] | 1201 | PRINTF(1)("Could not fabricate Object with classID %d\n", leafClassId); |
---|
[7954] | 1202 | offset += syncDataLength; |
---|
| 1203 | continue; |
---|
| 1204 | } |
---|
[5809] | 1205 | |
---|
[9869] | 1206 | if ( b->isA(Synchronizeable::staticClassID()) ) |
---|
[7954] | 1207 | { |
---|
| 1208 | sync = dynamic_cast<Synchronizeable*>(b); |
---|
| 1209 | sync->setUniqueID( uniqueId ); |
---|
| 1210 | sync->setSynchronized(true); |
---|
[9246] | 1211 | |
---|
[10114] | 1212 | PRINTF(1)("Fabricated %s with id %d\n", sync->getClassCName(), sync->getUniqueID()); |
---|
[7954] | 1213 | } |
---|
| 1214 | else |
---|
| 1215 | { |
---|
[10114] | 1216 | PRINTF(1)("Class with ID %d is not a synchronizeable!\n", (int)leafClassId); |
---|
[7954] | 1217 | delete b; |
---|
| 1218 | offset += syncDataLength; |
---|
| 1219 | continue; |
---|
| 1220 | } |
---|
| 1221 | } |
---|
[6139] | 1222 | |
---|
[9246] | 1223 | |
---|
| 1224 | int n = sync->setStateDiff( peer->second.userId, buf+offset, syncDataLength, state, fromState ); |
---|
[7954] | 1225 | offset += n; |
---|
[6498] | 1226 | |
---|
[7954] | 1227 | } |
---|
[9246] | 1228 | |
---|
[7954] | 1229 | if ( offset != length ) |
---|
[6139] | 1230 | { |
---|
[7954] | 1231 | PRINTF(0)("offset (%d) != length (%d)\n", offset, length); |
---|
| 1232 | peer->second.socket->disconnectServer(); |
---|
[6139] | 1233 | } |
---|
[9246] | 1234 | |
---|
| 1235 | |
---|
[7954] | 1236 | for ( SynchronizeableList::iterator it = synchronizeables.begin(); it != synchronizeables.end(); it++ ) |
---|
[6139] | 1237 | { |
---|
[7954] | 1238 | Synchronizeable & sync = **it; |
---|
[9246] | 1239 | |
---|
[9494] | 1240 | if ( !sync.beSynchronized() || sync.getUniqueID() <= NET_UID_UNASSIGNED ) |
---|
[7954] | 1241 | continue; |
---|
[9246] | 1242 | |
---|
[7954] | 1243 | sync.handleRecvState( peer->second.userId, state, fromState ); |
---|
[6139] | 1244 | } |
---|
[9246] | 1245 | |
---|
[7954] | 1246 | assert( peer->second.lastAckedState <= ackedState ); |
---|
| 1247 | peer->second.lastAckedState = ackedState; |
---|
[9246] | 1248 | |
---|
[7954] | 1249 | assert( peer->second.lastRecvedState < state ); |
---|
| 1250 | peer->second.lastRecvedState = state; |
---|
[8228] | 1251 | |
---|
[6139] | 1252 | } |
---|
[9246] | 1253 | |
---|
[6139] | 1254 | } |
---|
[9246] | 1255 | |
---|
[7954] | 1256 | } |
---|
[6139] | 1257 | |
---|
[7954] | 1258 | /** |
---|
| 1259 | * is executed when a handshake has finished |
---|
| 1260 | */ |
---|
| 1261 | void NetworkStream::handleNewClient( int userId ) |
---|
| 1262 | { |
---|
[9406] | 1263 | // init and assign the message manager |
---|
[7954] | 1264 | MessageManager::getInstance()->initUser( userId ); |
---|
[9406] | 1265 | // do all game relevant stuff here |
---|
[7954] | 1266 | networkGameManager->signalNewPlayer( userId ); |
---|
[5604] | 1267 | } |
---|
[6139] | 1268 | |
---|
[9406] | 1269 | |
---|
[7954] | 1270 | /** |
---|
| 1271 | * removes old items from oldSynchronizeables |
---|
| 1272 | */ |
---|
| 1273 | void NetworkStream::cleanUpOldSyncList( ) |
---|
[6139] | 1274 | { |
---|
[7954] | 1275 | int now = SDL_GetTicks(); |
---|
[9246] | 1276 | |
---|
[7954] | 1277 | for ( std::map<int,int>::iterator it = oldSynchronizeables.begin(); it != oldSynchronizeables.end(); ) |
---|
[6139] | 1278 | { |
---|
[7954] | 1279 | if ( it->second < now - 10*1000 ) |
---|
| 1280 | { |
---|
| 1281 | std::map<int,int>::iterator delIt = it; |
---|
| 1282 | it++; |
---|
| 1283 | oldSynchronizeables.erase( delIt ); |
---|
| 1284 | continue; |
---|
| 1285 | } |
---|
| 1286 | it++; |
---|
[6139] | 1287 | } |
---|
[7954] | 1288 | } |
---|
| 1289 | |
---|
| 1290 | /** |
---|
| 1291 | * writes data to DATA/dicts/newdict |
---|
| 1292 | * @param data pointer to data |
---|
| 1293 | * @param length length |
---|
| 1294 | */ |
---|
[8623] | 1295 | void NetworkStream::writeToNewDict( byte * data, int length, bool upstream ) |
---|
[7954] | 1296 | { |
---|
| 1297 | if ( remainingBytesToWriteToDict <= 0 ) |
---|
| 1298 | return; |
---|
[9246] | 1299 | |
---|
[7954] | 1300 | if ( length > remainingBytesToWriteToDict ) |
---|
| 1301 | length = remainingBytesToWriteToDict; |
---|
[9246] | 1302 | |
---|
[9869] | 1303 | std::string fileName = Resources::ResourceManager::getInstance()->mainGlobalPath().name(); |
---|
[7954] | 1304 | fileName += "/dicts/newdict"; |
---|
[9246] | 1305 | |
---|
[8623] | 1306 | if ( upstream ) |
---|
| 1307 | fileName += "_upstream"; |
---|
| 1308 | else |
---|
| 1309 | fileName += "_downstream"; |
---|
[9246] | 1310 | |
---|
[7954] | 1311 | FILE * f = fopen( fileName.c_str(), "a" ); |
---|
[9246] | 1312 | |
---|
[7954] | 1313 | if ( !f ) |
---|
[6139] | 1314 | { |
---|
[7954] | 1315 | PRINTF(2)("could not open %s\n", fileName.c_str()); |
---|
| 1316 | remainingBytesToWriteToDict = 0; |
---|
[6139] | 1317 | return; |
---|
| 1318 | } |
---|
[9246] | 1319 | |
---|
[7954] | 1320 | if ( fwrite( data, 1, length, f ) != length ) |
---|
[6341] | 1321 | { |
---|
[7954] | 1322 | PRINTF(2)("could not write to file\n"); |
---|
| 1323 | fclose( f ); |
---|
[6341] | 1324 | return; |
---|
| 1325 | } |
---|
[9246] | 1326 | |
---|
[7954] | 1327 | fclose( f ); |
---|
[9246] | 1328 | |
---|
| 1329 | remainingBytesToWriteToDict -= length; |
---|
[6139] | 1330 | } |
---|
| 1331 | |
---|
| 1332 | |
---|
[6695] | 1333 | |
---|
| 1334 | |
---|
| 1335 | |
---|
| 1336 | |
---|