[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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[9538] | 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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[9538] | 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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[9538] | 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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| 35 | #include "preferences.h" |
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| 36 | #include "zip.h" |
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[6341] | 37 | |
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[7954] | 38 | #include "src/lib/util/loading/resource_manager.h" |
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| 39 | |
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| 40 | #include "network_log.h" |
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| 41 | |
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[9235] | 42 | #include "player_stats.h" |
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[7954] | 43 | |
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| 44 | #include "lib/util/loading/factory.h" |
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| 45 | |
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[5649] | 46 | #include "debug.h" |
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[6139] | 47 | #include "class_list.h" |
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[6144] | 48 | #include <algorithm> |
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[5647] | 49 | |
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[9406] | 50 | |
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[5566] | 51 | #include "network_stream.h" |
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| 52 | |
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[5594] | 53 | |
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[9406] | 54 | #include "converter.h" |
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[5595] | 55 | |
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[9406] | 56 | |
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[5747] | 57 | #define PACKAGE_SIZE 256 |
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[5647] | 58 | |
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[5747] | 59 | |
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[9406] | 60 | /** |
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| 61 | * empty constructor |
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| 62 | */ |
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[5800] | 63 | NetworkStream::NetworkStream() |
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[5996] | 64 | : DataStream() |
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[5647] | 65 | { |
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| 66 | this->init(); |
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[5648] | 67 | /* initialize the references */ |
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[9494] | 68 | this->pInfo->nodeType = NET_UNASSIGNED; |
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[5647] | 69 | } |
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| 70 | |
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[6695] | 71 | |
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[9406] | 72 | NetworkStream::NetworkStream( int nodeType) |
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[5996] | 73 | { |
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| 74 | this->init(); |
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| 75 | |
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[9406] | 76 | this->pInfo->nodeType = nodeType; |
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[5996] | 77 | |
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[9406] | 78 | switch( nodeType) |
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| 79 | { |
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| 80 | case NET_MASTER_SERVER: |
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| 81 | // init the shared network data |
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[9494] | 82 | SharedNetworkData::getInstance()->setHostID(NET_ID_MASTER_SERVER); |
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[9625] | 83 | this->pInfo->userId = NET_ID_MASTER_SERVER; |
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| 84 | this->pInfo->nodeType = NET_MASTER_SERVER; |
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| 85 | |
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[9406] | 86 | break; |
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| 87 | case NET_PROXY_SERVER_ACTIVE: |
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| 88 | // init the shared network data |
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[9494] | 89 | SharedNetworkData::getInstance()->setHostID(NET_ID_PROXY_SERVER_01); |
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[9625] | 90 | this->pInfo->nodeType = NET_PROXY_SERVER_ACTIVE; |
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| 91 | |
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[9406] | 92 | break; |
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| 93 | case NET_PROXY_SERVER_PASSIVE: |
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[9494] | 94 | // init the shared network data |
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| 95 | SharedNetworkData::getInstance()->setHostID(NET_ID_PROXY_SERVER_01); |
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[9625] | 96 | this->pInfo->nodeType = NET_PROXY_SERVER_PASSIVE; |
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| 97 | |
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[9406] | 98 | break; |
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| 99 | case NET_CLIENT: |
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[9494] | 100 | SharedNetworkData::getInstance()->setHostID(NET_ID_UNASSIGNED); |
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[9625] | 101 | this->pInfo->nodeType = NET_CLIENT; |
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[9406] | 102 | break; |
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| 103 | } |
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| 104 | |
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| 105 | SharedNetworkData::getInstance()->setDefaultSyncStream(this); |
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| 106 | |
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| 107 | // get the local ip address |
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| 108 | IPaddress ip; |
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| 109 | SDLNet_ResolveHost( &ip, NULL, 0); |
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| 110 | this->pInfo->ip = ip; |
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[5649] | 111 | } |
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| 112 | |
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| 113 | |
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[9406] | 114 | |
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[9246] | 115 | /** |
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| 116 | * generic init functions |
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| 117 | */ |
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[5647] | 118 | void NetworkStream::init() |
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| 119 | { |
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| 120 | /* set the class id for the base object */ |
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| 121 | this->setClassID(CL_NETWORK_STREAM, "NetworkStream"); |
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[9494] | 122 | this->clientSocket = NULL; |
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[9604] | 123 | this->clientSoftSocket = NULL; |
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[9494] | 124 | this->proxySocket = NULL; |
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[6341] | 125 | this->networkGameManager = NULL; |
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[9406] | 126 | this->networkMonitor = NULL; |
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[9246] | 127 | |
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[9406] | 128 | this->pInfo = new PeerInfo(); |
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[9548] | 129 | this->pInfo->userId = NET_UID_UNASSIGNED; |
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[9406] | 130 | this->pInfo->lastAckedState = 0; |
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| 131 | this->pInfo->lastRecvedState = 0; |
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[9584] | 132 | this->pInfo->bLocal = true; |
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[9406] | 133 | |
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[9494] | 134 | this->bRedirect = false; |
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[9406] | 135 | |
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| 136 | this->currentState = 0; |
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| 137 | |
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[7954] | 138 | remainingBytesToWriteToDict = Preferences::getInstance()->getInt( "compression", "writedict", 0 ); |
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[9246] | 139 | |
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[8623] | 140 | assert( Zip::getInstance()->loadDictionary( "testdict" ) >= 0 ); |
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| 141 | this->dictClient = Zip::getInstance()->loadDictionary( "dict2pl_client" ); |
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| 142 | assert( this->dictClient >= 0 ); |
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| 143 | this->dictServer = Zip::getInstance()->loadDictionary( "dict2p_server" ); |
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| 144 | assert( this->dictServer >= 0 ); |
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[5594] | 145 | } |
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| 146 | |
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[5647] | 147 | |
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[9246] | 148 | /** |
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| 149 | * deconstructor |
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| 150 | */ |
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[5566] | 151 | NetworkStream::~NetworkStream() |
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[5598] | 152 | { |
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[9494] | 153 | if ( this->clientSocket ) |
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[6139] | 154 | { |
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[9604] | 155 | this->clientSocket->close(); |
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| 156 | delete this->clientSocket; |
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| 157 | this->clientSocket = NULL; |
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[6139] | 158 | } |
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[9604] | 159 | if ( this->clientSoftSocket ) |
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| 160 | { |
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| 161 | this->clientSoftSocket->close(); |
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| 162 | delete this->clientSoftSocket; |
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| 163 | this->clientSoftSocket = NULL; |
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| 164 | } |
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[9494] | 165 | if ( this->proxySocket) |
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| 166 | { |
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| 167 | proxySocket->close(); |
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| 168 | delete proxySocket; |
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| 169 | proxySocket = NULL; |
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| 170 | } |
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[7954] | 171 | for ( PeerList::iterator i = peers.begin(); i!=peers.end(); i++) |
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[6139] | 172 | { |
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[7954] | 173 | if ( i->second.socket ) |
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[6139] | 174 | { |
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[7954] | 175 | i->second.socket->disconnectServer(); |
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| 176 | delete i->second.socket; |
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| 177 | i->second.socket = NULL; |
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[6139] | 178 | } |
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[9246] | 179 | |
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[7954] | 180 | if ( i->second.handshake ) |
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[6139] | 181 | { |
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[7954] | 182 | delete i->second.handshake; |
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| 183 | i->second.handshake = NULL; |
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[6139] | 184 | } |
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[9246] | 185 | |
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[8623] | 186 | if ( i->second.connectionMonitor ) |
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| 187 | { |
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| 188 | delete i->second.connectionMonitor; |
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| 189 | i->second.connectionMonitor = NULL; |
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| 190 | } |
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[6139] | 191 | } |
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[8228] | 192 | for ( SynchronizeableList::const_iterator it = getSyncBegin(); it != getSyncEnd(); it ++ ) |
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| 193 | (*it)->setNetworkStream( NULL ); |
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[9406] | 194 | |
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| 195 | if( this->pInfo) |
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| 196 | delete this->pInfo; |
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| 197 | |
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| 198 | if( this->networkMonitor) |
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| 199 | delete this->networkMonitor; |
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[5598] | 200 | } |
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| 201 | |
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[5996] | 202 | |
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[9246] | 203 | /** |
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[9406] | 204 | * establish a connection to a remote master server |
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| 205 | * @param host: host name |
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| 206 | * @param port: the port number |
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| 207 | */ |
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| 208 | void NetworkStream::connectToMasterServer(std::string host, int port) |
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| 209 | { |
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[9494] | 210 | int node = NET_ID_MASTER_SERVER; |
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| 211 | // this create the new node in the peers map |
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[9406] | 212 | this->peers[node].socket = new UdpSocket( host, port ); |
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[9494] | 213 | this->peers[node].userId = NET_ID_MASTER_SERVER; |
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[9406] | 214 | |
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| 215 | this->peers[node].nodeType = NET_MASTER_SERVER; |
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[9494] | 216 | this->peers[node].connectionMonitor = new ConnectionMonitor( NET_ID_MASTER_SERVER ); |
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[9406] | 217 | this->peers[node].ip = this->peers[node].socket->getRemoteAddress(); |
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[9584] | 218 | this->peers[node].bLocal = true; |
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[9406] | 219 | } |
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| 220 | |
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| 221 | |
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| 222 | /** |
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| 223 | * establish a connection to a remote proxy server |
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| 224 | * @param host: host name |
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| 225 | * @param port: the port number |
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| 226 | */ |
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[9494] | 227 | void NetworkStream::connectToProxyServer(int proxyId, std::string host, int port) |
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[9406] | 228 | { |
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[9494] | 229 | PRINTF(0)("connect to proxy %s, this is proxyId %i\n", host.c_str(), proxyId); |
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[9406] | 230 | |
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[9494] | 231 | // this creates the new proxyId in the peers map |
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| 232 | this->peers[proxyId].socket = new UdpSocket( host, port ); |
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| 233 | this->peers[proxyId].userId = proxyId; |
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| 234 | |
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| 235 | this->peers[proxyId].nodeType = NET_PROXY_SERVER_ACTIVE; |
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| 236 | this->peers[proxyId].connectionMonitor = new ConnectionMonitor( proxyId ); |
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| 237 | this->peers[proxyId].ip = this->peers[proxyId].socket->getRemoteAddress(); |
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[9584] | 238 | this->peers[proxyId].bLocal = true; |
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[9406] | 239 | } |
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| 240 | |
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| 241 | |
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| 242 | /** |
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| 243 | * create a server |
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| 244 | * @param port: interface port for all clients |
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| 245 | */ |
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[9604] | 246 | void NetworkStream::createServer(int clientPort, int proxyPort, int clientSoftPort) |
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[9406] | 247 | { |
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[9494] | 248 | PRINTF(0)(" Creating new Server: listening for clients on port %i and for proxies on port %i", clientPort, proxyPort); |
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| 249 | this->clientSocket= new UdpServerSocket(clientPort); |
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[9604] | 250 | this->clientSoftSocket= new UdpServerSocket(clientSoftPort); |
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[9494] | 251 | this->proxySocket = new UdpServerSocket(proxyPort); |
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[9406] | 252 | } |
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| 253 | |
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| 254 | |
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| 255 | /** |
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[9246] | 256 | * creates a new instance of the network game manager |
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| 257 | */ |
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[6695] | 258 | void NetworkStream::createNetworkGameManager() |
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| 259 | { |
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| 260 | this->networkGameManager = NetworkGameManager::getInstance(); |
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[9406] | 261 | |
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[7954] | 262 | this->networkGameManager->setUniqueID( SharedNetworkData::getInstance()->getNewUniqueID() ); |
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| 263 | MessageManager::getInstance()->setUniqueID( SharedNetworkData::getInstance()->getNewUniqueID() ); |
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[6695] | 264 | } |
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| 265 | |
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| 266 | |
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[9246] | 267 | /** |
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| 268 | * starts the network handshake |
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[9406] | 269 | * handsakes are always initialized from the client side first. this starts the handshake and therefore is only |
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| 270 | * executed as client |
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[9494] | 271 | * @param userId: start handshake for this user id (optional, default == 0) |
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[9246] | 272 | */ |
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[9494] | 273 | void NetworkStream::startHandshake(int userId) |
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[6695] | 274 | { |
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[9406] | 275 | Handshake* hs = new Handshake(this->pInfo->nodeType); |
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[9494] | 276 | // fake the unique id |
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[9597] | 277 | hs->setUniqueID( userId); |
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[9584] | 278 | assert( this->peers[userId].handshake == NULL ); |
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| 279 | this->peers[userId].handshake = hs; |
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| 280 | this->peers[userId].bLocal = true; |
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[9246] | 281 | |
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[9406] | 282 | // set the preferred nick name |
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[9235] | 283 | hs->setPreferedNickName( Preferences::getInstance()->getString( "multiplayer", "nickname", "Player" ) ); |
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[9246] | 284 | |
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[9406] | 285 | PRINTF(0)("NetworkStream: Handshake created: %s\n", hs->getCName()); |
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[6695] | 286 | } |
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| 287 | |
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| 288 | |
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[9246] | 289 | /** |
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| 290 | * this functions connects a synchronizeable to the networkstream, therefore synchronizeing |
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| 291 | * it all over the network and creating it on the other platforms (if and only if it is a |
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| 292 | * server |
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[9494] | 293 | * @param sync: the synchronizeable to add |
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[9246] | 294 | */ |
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[5996] | 295 | void NetworkStream::connectSynchronizeable(Synchronizeable& sync) |
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| 296 | { |
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[6139] | 297 | this->synchronizeables.push_back(&sync); |
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| 298 | sync.setNetworkStream( this ); |
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[5996] | 299 | } |
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| 300 | |
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[6695] | 301 | |
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[9246] | 302 | /** |
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| 303 | * removes the synchronizeable from the list of synchronized entities |
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[9494] | 304 | * @param sync: the syncronizeable to remove |
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[9246] | 305 | */ |
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[6139] | 306 | void NetworkStream::disconnectSynchronizeable(Synchronizeable& sync) |
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| 307 | { |
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[6144] | 308 | // removing the Synchronizeable from the List. |
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| 309 | std::list<Synchronizeable*>::iterator disconnectSynchro = std::find(this->synchronizeables.begin(), this->synchronizeables.end(), &sync); |
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| 310 | if (disconnectSynchro != this->synchronizeables.end()) |
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| 311 | this->synchronizeables.erase(disconnectSynchro); |
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[9246] | 312 | |
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[7954] | 313 | oldSynchronizeables[sync.getUniqueID()] = SDL_GetTicks(); |
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[6139] | 314 | } |
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| 315 | |
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| 316 | |
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[9246] | 317 | /** |
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| 318 | * this is called to process data from the network socket to the synchronizeable and vice versa |
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| 319 | */ |
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[5604] | 320 | void NetworkStream::processData() |
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| 321 | { |
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[9406] | 322 | // create the network monitor after all the init work and before there is any connection handlings |
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| 323 | if( this->networkMonitor == NULL) |
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[9583] | 324 | { |
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[9406] | 325 | this->networkMonitor = new NetworkMonitor(this); |
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[9583] | 326 | SharedNetworkData::getInstance()->setNetworkMonitor( this->networkMonitor); |
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| 327 | } |
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[9406] | 328 | |
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| 329 | |
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[8068] | 330 | int tick = SDL_GetTicks(); |
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[9246] | 331 | |
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[9406] | 332 | this->currentState++; |
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| 333 | // there was a wrap around |
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| 334 | if( this->currentState < 0) |
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| 335 | { |
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| 336 | 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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| 337 | } |
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[9246] | 338 | |
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[9494] | 339 | if ( SharedNetworkData::getInstance()->isMasterServer()) |
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[7954] | 340 | { |
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[9406] | 341 | // execute everytthing the master server shoudl do |
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[9494] | 342 | if ( this->clientSocket ) |
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| 343 | this->clientSocket->update(); |
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[9604] | 344 | if ( this->clientSoftSocket) |
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| 345 | this->clientSoftSocket->update(); |
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[9494] | 346 | if( this->proxySocket) |
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| 347 | this->proxySocket->update(); |
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[9246] | 348 | |
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[6139] | 349 | this->updateConnectionList(); |
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[7954] | 350 | } |
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[9494] | 351 | else if( SharedNetworkData::getInstance()->isProxyServerActive()) |
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[9406] | 352 | { |
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[9494] | 353 | //execute everything the proxy server should do |
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| 354 | if ( this->clientSocket ) |
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| 355 | this->clientSocket->update(); |
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[9604] | 356 | if ( this->clientSoftSocket) |
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| 357 | this->clientSoftSocket->update(); |
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[9494] | 358 | if( this->proxySocket) |
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| 359 | this->proxySocket->update(); |
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[9406] | 360 | |
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| 361 | this->updateConnectionList(); |
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| 362 | } |
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[9494] | 363 | |
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| 364 | #warning make this more modular: every proxy/master server connection should be watched for termination |
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| 365 | if( !SharedNetworkData::getInstance()->isMasterServer()) |
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[6139] | 366 | { |
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[9246] | 367 | // check if the connection is ok else terminate and remove |
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[9494] | 368 | if ( !peers.empty() && peers[NET_ID_MASTER_SERVER].socket && |
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| 369 | ( !peers[NET_ID_MASTER_SERVER].socket->isOk() || |
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| 370 | peers[NET_ID_MASTER_SERVER].connectionMonitor->hasTimedOut() ) ) |
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[6139] | 371 | { |
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[9494] | 372 | this->handleDisconnect( NET_ID_MASTER_SERVER); |
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[6139] | 373 | PRINTF(1)("lost connection to server\n"); |
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| 374 | } |
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[9494] | 375 | // check if there is a redirection command |
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| 376 | if( this->bRedirect) |
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| 377 | { |
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| 378 | this->handleReconnect( NET_ID_MASTER_SERVER); |
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| 379 | } |
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[6139] | 380 | } |
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| 381 | |
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[9494] | 382 | this->cleanUpOldSyncList(); |
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| 383 | this->handleHandshakes(); |
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[9246] | 384 | |
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[9406] | 385 | // update the network monitor |
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| 386 | this->networkMonitor->process(); |
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| 387 | |
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[7954] | 388 | // order of up/downstream is important!!!! |
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| 389 | // don't change it |
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[9494] | 390 | this->handleDownstream( tick ); |
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| 391 | this->handleUpstream( tick ); |
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[7954] | 392 | } |
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| 393 | |
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[9246] | 394 | |
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| 395 | /** |
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[9494] | 396 | * @brief handles incoming connections |
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| 397 | * |
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| 398 | * 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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| 399 | * start and initialize the handsake for the new clients |
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[9246] | 400 | */ |
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[7954] | 401 | void NetworkStream::updateConnectionList( ) |
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| 402 | { |
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| 403 | //check for new connections |
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| 404 | |
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[9494] | 405 | NetworkSocket* tempNetworkSocket = NULL; |
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| 406 | int userId; |
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[7954] | 407 | |
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[9494] | 408 | if( this->clientSocket != NULL) |
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[6139] | 409 | { |
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[9494] | 410 | tempNetworkSocket = this->clientSocket->getNewSocket(); |
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| 411 | |
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| 412 | // we got new NET_CLIENT connecting |
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| 413 | if ( tempNetworkSocket ) |
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[6139] | 414 | { |
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[9576] | 415 | // get a userId |
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| 416 | // if ( freeSocketSlots.size() > 0 ) |
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| 417 | // { |
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| 418 | // // this should never be called |
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| 419 | // userId = freeSocketSlots.back(); |
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| 420 | // freeSocketSlots.pop_back(); |
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| 421 | // } |
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| 422 | // else |
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[9494] | 423 | { |
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[9531] | 424 | // each server (proxy and master) have an address space for new network nodes of 1000 nodes |
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[9595] | 425 | // the first NET_ID_PROXY_MAX are always reserved for proxy servers |
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| 426 | userId = SharedNetworkData::getInstance()->getHostID() * 1000 + NET_ID_PROXY_MAX + 1; |
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[9246] | 427 | |
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[9494] | 428 | for ( PeerList::iterator it = peers.begin(); it != peers.end(); it++ ) |
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| 429 | if ( it->first >= userId ) |
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| 430 | userId = it->first + 1; |
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[9531] | 431 | |
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[9544] | 432 | // make sure that this server only uses an address space of 1000 |
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[9531] | 433 | assert( userId < (SharedNetworkData::getInstance()->getHostID() + 1) * 1000); |
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[9494] | 434 | } |
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| 435 | // this creates a new entry in the peers list |
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| 436 | peers[userId].socket = tempNetworkSocket; |
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| 437 | peers[userId].nodeType = NET_CLIENT; |
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[9246] | 438 | |
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[9494] | 439 | // handle the newly connected client |
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| 440 | this->handleConnect(userId); |
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[9246] | 441 | |
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[9494] | 442 | PRINTF(0)("New Client: %d\n", userId); |
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| 443 | } |
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| 444 | } |
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[6341] | 445 | |
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[9604] | 446 | if( this->clientSoftSocket != NULL) |
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| 447 | { |
---|
| 448 | tempNetworkSocket = this->clientSoftSocket->getNewSocket(); |
---|
[9406] | 449 | |
---|
[9604] | 450 | // we got new NET_CLIENT connecting |
---|
| 451 | if ( tempNetworkSocket ) |
---|
| 452 | { |
---|
| 453 | |
---|
| 454 | // this creates a new entry in the peers list |
---|
| 455 | peers[userId].socket = tempNetworkSocket; |
---|
| 456 | peers[userId].nodeType = NET_CLIENT; |
---|
| 457 | |
---|
| 458 | // handle the newly connected client |
---|
| 459 | this->handleSoftConnect(userId); |
---|
| 460 | |
---|
| 461 | PRINTF(0)("New Client softly connected: %d :D\n", userId); |
---|
| 462 | } |
---|
| 463 | } |
---|
| 464 | |
---|
| 465 | |
---|
[9494] | 466 | if( this->proxySocket != NULL) |
---|
| 467 | { |
---|
| 468 | tempNetworkSocket = this->proxySocket->getNewSocket(); |
---|
[9406] | 469 | |
---|
[9494] | 470 | // we got new NET_PROXY_SERVER_ACTIVE connecting |
---|
| 471 | if ( tempNetworkSocket ) |
---|
[7954] | 472 | { |
---|
[9494] | 473 | // determine the network node id |
---|
[9595] | 474 | // if ( freeSocketSlots.size() > 0 ) |
---|
| 475 | // { |
---|
| 476 | // userId = freeSocketSlots.back(); |
---|
| 477 | // freeSocketSlots.pop_back(); |
---|
| 478 | // } |
---|
| 479 | // else |
---|
[9494] | 480 | { |
---|
| 481 | userId = 1; |
---|
[6498] | 482 | |
---|
[9595] | 483 | for( int i = 0; i < NET_ID_PROXY_MAX; i++) |
---|
| 484 | { |
---|
| 485 | if( this->peers.find( i) != this->peers.end()) |
---|
| 486 | userId = i; |
---|
| 487 | break; |
---|
| 488 | } |
---|
| 489 | |
---|
| 490 | // for ( PeerList::iterator it = peers.begin(); it != peers.end(); it++ ) |
---|
| 491 | // if ( it->first >= userId ) |
---|
| 492 | // userId = it->first + 1; |
---|
[9494] | 493 | } |
---|
[9406] | 494 | |
---|
[9494] | 495 | // this creates a new entry in the peers list |
---|
| 496 | peers[userId].socket = tempNetworkSocket; |
---|
| 497 | peers[userId].nodeType = NET_PROXY_SERVER_ACTIVE; |
---|
[9406] | 498 | |
---|
[9494] | 499 | // handle the newly connected proxy server |
---|
| 500 | this->handleConnect(userId); |
---|
[9406] | 501 | |
---|
[9494] | 502 | PRINTF(0)("New proxy connected: %d\n", userId); |
---|
| 503 | } |
---|
[7954] | 504 | } |
---|
[6341] | 505 | |
---|
[9246] | 506 | |
---|
[9570] | 507 | |
---|
[7954] | 508 | //check if connections are ok else remove them |
---|
[8228] | 509 | for ( PeerList::iterator it = peers.begin(); it != peers.end(); ) |
---|
[7954] | 510 | { |
---|
[9246] | 511 | if ( |
---|
[7954] | 512 | it->second.socket && |
---|
[9246] | 513 | ( |
---|
[7954] | 514 | !it->second.socket->isOk() || |
---|
| 515 | it->second.connectionMonitor->hasTimedOut() |
---|
| 516 | ) |
---|
| 517 | ) |
---|
| 518 | { |
---|
| 519 | std::string reason = "disconnected"; |
---|
| 520 | if ( it->second.connectionMonitor->hasTimedOut() ) |
---|
| 521 | reason = "timeout"; |
---|
| 522 | PRINTF(0)("Client is gone: %d (%s)\n", it->second.userId, reason.c_str()); |
---|
| 523 | |
---|
[9571] | 524 | |
---|
[9494] | 525 | this->handleDisconnect( it->second.userId); |
---|
[9571] | 526 | |
---|
[9570] | 527 | if( SharedNetworkData::getInstance()->isProxyServerActive()) |
---|
| 528 | ProxyControl::getInstance()->signalLeaveClient(it->second.userId); |
---|
[9246] | 529 | |
---|
[9494] | 530 | it++; |
---|
| 531 | continue; |
---|
| 532 | } |
---|
[7954] | 533 | |
---|
[9494] | 534 | it++; |
---|
| 535 | } |
---|
| 536 | } |
---|
[7954] | 537 | |
---|
| 538 | |
---|
[9494] | 539 | /** |
---|
| 540 | * this handles new connections |
---|
| 541 | * @param userId: the id of the new user node |
---|
| 542 | */ |
---|
| 543 | void NetworkStream::handleConnect( int userId) |
---|
| 544 | { |
---|
| 545 | // create new handshake and init its variables |
---|
[9584] | 546 | this->peers[userId].handshake = new Handshake(this->pInfo->nodeType, userId, this->networkGameManager->getUniqueID(), MessageManager::getInstance()->getUniqueID()); |
---|
| 547 | this->peers[userId].handshake->setUniqueID(userId); |
---|
[9246] | 548 | |
---|
[9584] | 549 | this->peers[userId].connectionMonitor = new ConnectionMonitor( userId ); |
---|
| 550 | this->peers[userId].userId = userId; |
---|
| 551 | this->peers[userId].bLocal = true; |
---|
[9246] | 552 | |
---|
[9494] | 553 | PRINTF(0)("num sync: %d\n", synchronizeables.size()); |
---|
[9246] | 554 | |
---|
[9494] | 555 | // get the proxy server informations and write them to the handshake, if any (proxy) |
---|
| 556 | assert( this->networkMonitor != NULL); |
---|
| 557 | PeerInfo* pi = this->networkMonitor->getFirstChoiceProxy(); |
---|
| 558 | if( pi != NULL) |
---|
| 559 | { |
---|
[9584] | 560 | this->peers[userId].handshake->setProxy1Address( pi->ip); |
---|
[6139] | 561 | } |
---|
[9494] | 562 | pi = this->networkMonitor->getSecondChoiceProxy(); |
---|
| 563 | if( pi != NULL) |
---|
[9584] | 564 | this->peers[userId].handshake->setProxy2Address( pi->ip); |
---|
[6139] | 565 | |
---|
[9494] | 566 | // check if the connecting client should reconnect to a proxy server |
---|
| 567 | if( SharedNetworkData::getInstance()->isMasterServer()) |
---|
[9595] | 568 | { |
---|
| 569 | if( this->networkMonitor->isReconnectNextClient()) |
---|
| 570 | { |
---|
| 571 | this->peers[userId].handshake->setRedirect(true); |
---|
| 572 | PRINTF(0)("forwarding client to proxy server because this server is saturated\n"); |
---|
| 573 | } |
---|
| 574 | } |
---|
[6139] | 575 | |
---|
[9494] | 576 | // the connecting node of course is a client |
---|
[9584] | 577 | this->peers[userId].ip = this->peers[userId].socket->getRemoteAddress(); |
---|
[7954] | 578 | } |
---|
[5800] | 579 | |
---|
[9246] | 580 | |
---|
[9604] | 581 | /** |
---|
| 582 | * this handles new soft connections |
---|
| 583 | * @param userId: the id of the new user node |
---|
| 584 | * |
---|
| 585 | * soft connections are connections from clients that are already in the network and don't need a new handshake etc. |
---|
| 586 | * the state of all entitites owned by userId are not deleted and stay |
---|
| 587 | * soft connections can not be redirected therefore they are negotiated between the to parties |
---|
| 588 | */ |
---|
| 589 | void NetworkStream::handleSoftConnect( int userId) |
---|
| 590 | { |
---|
| 591 | // create new handshake and init its variables |
---|
| 592 | this->peers[userId].handshake = NULL; |
---|
| 593 | this->peers[userId].handshake->setUniqueID(userId); |
---|
[9494] | 594 | |
---|
[9604] | 595 | this->peers[userId].connectionMonitor = new ConnectionMonitor( userId ); |
---|
| 596 | this->peers[userId].userId = userId; |
---|
| 597 | this->peers[userId].bLocal = true; |
---|
| 598 | |
---|
| 599 | PRINTF(0)("num sync: %d\n", synchronizeables.size()); |
---|
| 600 | |
---|
| 601 | // the connecting node of course is a client |
---|
| 602 | this->peers[userId].ip = this->peers[userId].socket->getRemoteAddress(); |
---|
| 603 | } |
---|
| 604 | |
---|
| 605 | |
---|
| 606 | |
---|
| 607 | |
---|
[9494] | 608 | /** |
---|
| 609 | * some debug output |
---|
| 610 | */ |
---|
[7954] | 611 | void NetworkStream::debug() |
---|
| 612 | { |
---|
[9406] | 613 | if( SharedNetworkData::getInstance()->isMasterServer()) { |
---|
| 614 | PRINT(0)(" Host ist Master Server with ID: %i\n", this->pInfo->userId); |
---|
| 615 | } |
---|
[9494] | 616 | else if( SharedNetworkData::getInstance()->isProxyServerActive()) { |
---|
[9406] | 617 | PRINT(0)(" Host ist Proxy Server with ID: %i\n", this->pInfo->userId); |
---|
| 618 | } |
---|
| 619 | else { |
---|
| 620 | PRINT(0)(" Host ist Client with ID: %i\n", this->pInfo->userId); |
---|
| 621 | } |
---|
[6695] | 622 | |
---|
[9574] | 623 | PRINT(0)(" Current number of connections is: %i\n", this->peers.size()); |
---|
[9548] | 624 | for ( PeerList::iterator it = peers.begin(); it != peers.end(); it++ ) |
---|
| 625 | { |
---|
[9574] | 626 | PRINT(0)(" peers[%i] with uniqueId %i and address: %s\n", it->first, it->second.userId, it->second.ip.ipString().c_str()); |
---|
[9548] | 627 | } |
---|
[9574] | 628 | PRINT(0)("\n\n"); |
---|
[9548] | 629 | |
---|
| 630 | |
---|
[7954] | 631 | PRINT(0)(" Got %i connected Synchronizeables, showing active Syncs:\n", this->synchronizeables.size()); |
---|
[6139] | 632 | for (SynchronizeableList::iterator it = synchronizeables.begin(); it!=synchronizeables.end(); it++) |
---|
[5996] | 633 | { |
---|
[7954] | 634 | if( (*it)->beSynchronized() == true) |
---|
[9406] | 635 | PRINT(0)(" Synchronizeable of class: %s::%s, with unique ID: %i, Synchronize: %i\n", (*it)->getClassCName(), (*it)->getCName(), |
---|
[7954] | 636 | (*it)->getUniqueID(), (*it)->beSynchronized()); |
---|
| 637 | } |
---|
[9406] | 638 | PRINT(0)(" Maximal Connections: %i\n", SharedNetworkData::getInstance()->getMaxPlayer() ); |
---|
[6959] | 639 | |
---|
[7954] | 640 | } |
---|
[6959] | 641 | |
---|
| 642 | |
---|
[9246] | 643 | /** |
---|
| 644 | * @returns the number of synchronizeables registered to this stream |
---|
| 645 | */ |
---|
[7954] | 646 | int NetworkStream::getSyncCount() |
---|
| 647 | { |
---|
| 648 | int n = 0; |
---|
| 649 | for (SynchronizeableList::iterator it = synchronizeables.begin(); it!=synchronizeables.end(); it++) |
---|
| 650 | if( (*it)->beSynchronized() == true) |
---|
| 651 | ++n; |
---|
[5730] | 652 | |
---|
[7954] | 653 | //return synchronizeables.size(); |
---|
| 654 | return n; |
---|
| 655 | } |
---|
[6139] | 656 | |
---|
[9246] | 657 | |
---|
[7954] | 658 | /** |
---|
[9246] | 659 | * check if handshakes completed. if so create the network game manager else remove it again |
---|
[7954] | 660 | */ |
---|
| 661 | void NetworkStream::handleHandshakes( ) |
---|
| 662 | { |
---|
| 663 | for ( PeerList::iterator it = peers.begin(); it != peers.end(); it++ ) |
---|
| 664 | { |
---|
| 665 | if ( it->second.handshake ) |
---|
| 666 | { |
---|
[9406] | 667 | // handshake finished |
---|
[7954] | 668 | if ( it->second.handshake->completed() ) |
---|
| 669 | { |
---|
[9406] | 670 | //handshake is correct |
---|
[7954] | 671 | if ( it->second.handshake->ok() ) |
---|
[6341] | 672 | { |
---|
[9494] | 673 | // write the first informations into the node so they can be read from there for case differentiation |
---|
| 674 | it->second.nodeType = it->second.handshake->getRemoteNodeType(); |
---|
| 675 | |
---|
| 676 | // the counter part didn't mark it free for deletion yet |
---|
[7954] | 677 | if ( !it->second.handshake->allowDel() ) |
---|
[6139] | 678 | { |
---|
[9494] | 679 | // make sure this is a connection: |
---|
| 680 | // - client <==> master server |
---|
| 681 | // - proxy server <==> master server |
---|
[9545] | 682 | if( SharedNetworkData::getInstance()->isClient() || |
---|
| 683 | SharedNetworkData::getInstance()->isProxyServerActive() && |
---|
| 684 | SharedNetworkData::getInstance()->isUserMasterServer(it->second.userId)) |
---|
[9494] | 685 | { |
---|
[9575] | 686 | PRINTF(4)("Handshake: i am in client role\n"); |
---|
[9406] | 687 | |
---|
[7954] | 688 | SharedNetworkData::getInstance()->setHostID( it->second.handshake->getHostId() ); |
---|
[9406] | 689 | this->pInfo->userId = SharedNetworkData::getInstance()->getHostID(); |
---|
[7954] | 690 | |
---|
[9494] | 691 | // it->second.ip = it->second.socket->getRemoteAddress(); |
---|
| 692 | |
---|
[9625] | 693 | it->second.nodeType = it->second.handshake->getRemoteNodeType(); |
---|
[9494] | 694 | // it->second.ip = it->second.socket->getRemoteAddress(); |
---|
[9406] | 695 | // add the new server to the nodes list (it can be a NET_MASTER_SERVER or NET_PROXY_SERVER) |
---|
| 696 | this->networkMonitor->addNode(&it->second); |
---|
| 697 | // get proxy 1 address and add it |
---|
| 698 | this->networkMonitor->addNode(it->second.handshake->getProxy1Address(), NET_PROXY_SERVER_ACTIVE); |
---|
| 699 | // get proxy 2 address and add it |
---|
| 700 | this->networkMonitor->addNode(it->second.handshake->getProxy2Address(), NET_PROXY_SERVER_ACTIVE); |
---|
| 701 | |
---|
| 702 | // now check if the server accepted the connection |
---|
[9494] | 703 | if( SharedNetworkData::getInstance()->isClient() && it->second.handshake->redirect() ) |
---|
| 704 | { |
---|
| 705 | this->bRedirect = true; |
---|
| 706 | } |
---|
[9406] | 707 | |
---|
| 708 | // create the new network game manager and init it |
---|
[7954] | 709 | this->networkGameManager = NetworkGameManager::getInstance(); |
---|
| 710 | this->networkGameManager->setUniqueID( it->second.handshake->getNetworkGameManagerId() ); |
---|
[9406] | 711 | // init the new message manager |
---|
[7954] | 712 | MessageManager::getInstance()->setUniqueID( it->second.handshake->getMessageManagerId() ); |
---|
[6868] | 713 | } |
---|
[7954] | 714 | |
---|
| 715 | PRINT(0)("handshake finished id=%d\n", it->second.handshake->getNetworkGameManagerId()); |
---|
| 716 | it->second.handshake->del(); |
---|
[9494] | 717 | |
---|
[6139] | 718 | } |
---|
| 719 | else |
---|
| 720 | { |
---|
[9406] | 721 | // handshake finished registring new player |
---|
[7954] | 722 | if ( it->second.handshake->canDel() ) |
---|
[6868] | 723 | { |
---|
[9406] | 724 | |
---|
[9494] | 725 | if ( SharedNetworkData::getInstance()->isMasterServer() ) |
---|
[7954] | 726 | { |
---|
[9406] | 727 | it->second.ip = it->second.socket->getRemoteAddress(); |
---|
[9246] | 728 | |
---|
[9406] | 729 | this->networkMonitor->addNode(&it->second); |
---|
| 730 | |
---|
| 731 | this->handleNewClient( it->second.userId ); |
---|
| 732 | |
---|
[9235] | 733 | if ( PlayerStats::getStats( it->second.userId ) && it->second.handshake->getPreferedNickName() != "" ) |
---|
| 734 | { |
---|
| 735 | PlayerStats::getStats( it->second.userId )->setNickName( it->second.handshake->getPreferedNickName() ); |
---|
| 736 | } |
---|
[7954] | 737 | } |
---|
[9494] | 738 | else if ( SharedNetworkData::getInstance()->isProxyServerActive() && it->second.isClient() ) |
---|
[9406] | 739 | { |
---|
[9575] | 740 | PRINTF(4)("Handshake: Proxy in server role: connecting %i\n", it->second.userId); |
---|
[9494] | 741 | |
---|
[9406] | 742 | it->second.ip = it->second.socket->getRemoteAddress(); |
---|
[9246] | 743 | |
---|
[9406] | 744 | this->networkMonitor->addNode(&it->second); |
---|
| 745 | |
---|
[9537] | 746 | // work with the ProxyControl to init the new client |
---|
[9544] | 747 | ProxyControl::getInstance()->signalNewClient( it->second.userId); |
---|
[9406] | 748 | |
---|
[9564] | 749 | if ( PlayerStats::getStats( it->second.userId ) && it->second.handshake->getPreferedNickName() != "" ) |
---|
| 750 | { |
---|
| 751 | PlayerStats::getStats( it->second.userId )->setNickName( it->second.handshake->getPreferedNickName() ); |
---|
| 752 | } |
---|
[9406] | 753 | } |
---|
| 754 | |
---|
[7954] | 755 | PRINT(0)("handshake finished delete it\n"); |
---|
| 756 | delete it->second.handshake; |
---|
| 757 | it->second.handshake = NULL; |
---|
[6868] | 758 | } |
---|
[6139] | 759 | } |
---|
[7954] | 760 | |
---|
[6139] | 761 | } |
---|
| 762 | else |
---|
| 763 | { |
---|
[7954] | 764 | PRINT(1)("handshake failed!\n"); |
---|
| 765 | it->second.socket->disconnectServer(); |
---|
[6139] | 766 | } |
---|
[7954] | 767 | } |
---|
[6139] | 768 | } |
---|
[5996] | 769 | } |
---|
[7954] | 770 | } |
---|
[5741] | 771 | |
---|
[9246] | 772 | |
---|
[7954] | 773 | /** |
---|
[9406] | 774 | * this functions handles a reconnect event received from the a NET_MASTER_SERVER or NET_PROXY_SERVER |
---|
[9605] | 775 | * @param userId |
---|
[9406] | 776 | */ |
---|
| 777 | void NetworkStream::handleReconnect(int userId) |
---|
| 778 | { |
---|
[9494] | 779 | this->bRedirect = false; |
---|
[9548] | 780 | #warning this peer will be created if it does not yet exist: dangerous |
---|
[9494] | 781 | PeerInfo* pInfo = &this->peers[userId]; |
---|
| 782 | |
---|
[9601] | 783 | IP proxyIP; |
---|
| 784 | if( this->networkMonitor->isForcedReconnection()) |
---|
| 785 | proxyIP = this->networkMonitor->getForcedReconnectionIP(); |
---|
| 786 | else |
---|
| 787 | proxyIP = pInfo->handshake->getProxy1Address(); |
---|
| 788 | |
---|
[9406] | 789 | PRINTF(0)("===============================================\n"); |
---|
| 790 | PRINTF(0)("Client is redirected to the other proxy servers\n"); |
---|
[9494] | 791 | PRINTF(0)(" user id: %i\n", userId); |
---|
[9601] | 792 | PRINTF(0)(" connecting to: %s\n", proxyIP.ipString().c_str()); |
---|
[9406] | 793 | PRINTF(0)("===============================================\n"); |
---|
| 794 | |
---|
| 795 | // flush the old synchronization states, since the numbering could be completely different |
---|
| 796 | pInfo->lastAckedState = 0; |
---|
| 797 | pInfo->lastRecvedState = 0; |
---|
| 798 | |
---|
| 799 | // disconnect from the current server and reconnect to proxy server |
---|
[9494] | 800 | this->handleDisconnect( userId); |
---|
[9605] | 801 | this->connectToProxyServer(NET_ID_PROXY_SERVER_01, proxyIP.ipString(), 9999); |
---|
| 802 | // this->connectToMasterServer(proxyIP.ipString(), 9999); |
---|
[9494] | 803 | #warning the ports are not yet integrated correctly in the ip class |
---|
[9406] | 804 | |
---|
| 805 | // and restart the handshake |
---|
[9494] | 806 | this->startHandshake( userId); |
---|
[9406] | 807 | } |
---|
| 808 | |
---|
| 809 | |
---|
[9600] | 810 | |
---|
[9406] | 811 | /** |
---|
[9600] | 812 | * reconnects to another server, with full handshake |
---|
| 813 | * @param address of the new server |
---|
| 814 | */ |
---|
| 815 | void NetworkStream::reconnectToServer(IP address) |
---|
| 816 | { |
---|
[9601] | 817 | this->networkMonitor->setForcedReconnection(address); |
---|
| 818 | this->handleReconnect( NET_ID_MASTER_SERVER); |
---|
[9600] | 819 | } |
---|
| 820 | |
---|
| 821 | |
---|
| 822 | |
---|
| 823 | /** |
---|
| 824 | * softly reconnecting to another server |
---|
| 825 | * @param address of the new server |
---|
| 826 | */ |
---|
| 827 | void NetworkStream::softReconnectToServer(IP address) |
---|
| 828 | { |
---|
[9601] | 829 | this->networkMonitor->setForcedReconnection(address); |
---|
| 830 | this->handleReconnect( NET_ID_MASTER_SERVER); |
---|
[9600] | 831 | } |
---|
| 832 | |
---|
| 833 | |
---|
| 834 | /** |
---|
[9494] | 835 | * handles the disconnect event |
---|
| 836 | * @param userId id of the user to remove |
---|
| 837 | */ |
---|
| 838 | void NetworkStream::handleDisconnect( int userId ) |
---|
| 839 | { |
---|
[9587] | 840 | this->peers[userId].socket->disconnectServer(); |
---|
| 841 | delete this->peers[userId].socket; |
---|
| 842 | this->peers[userId].socket = NULL; |
---|
[9494] | 843 | |
---|
[9587] | 844 | if ( this->peers[userId].handshake ) |
---|
| 845 | delete this->peers[userId].handshake; |
---|
| 846 | this->peers[userId].handshake = NULL; |
---|
[9494] | 847 | |
---|
[9587] | 848 | if ( this->peers[userId].connectionMonitor ) |
---|
| 849 | delete this->peers[userId].connectionMonitor; |
---|
| 850 | this->peers[userId].connectionMonitor = NULL; |
---|
[9494] | 851 | |
---|
| 852 | |
---|
| 853 | for ( SynchronizeableList::iterator it2 = synchronizeables.begin(); it2 != synchronizeables.end(); it2++ ) { |
---|
| 854 | (*it2)->cleanUpUser( userId ); |
---|
| 855 | } |
---|
| 856 | |
---|
| 857 | if( SharedNetworkData::getInstance()->isMasterServer()) |
---|
| 858 | NetworkGameManager::getInstance()->signalLeftPlayer(userId); |
---|
| 859 | |
---|
| 860 | this->freeSocketSlots.push_back( userId ); |
---|
| 861 | |
---|
[9587] | 862 | this->networkMonitor->removeNode(&this->peers[userId]); |
---|
| 863 | this->peers.erase( userId); |
---|
[9494] | 864 | } |
---|
| 865 | |
---|
| 866 | |
---|
| 867 | |
---|
| 868 | /** |
---|
[7954] | 869 | * handle upstream network traffic |
---|
[9494] | 870 | * @param tick: seconds elapsed since last update |
---|
[7954] | 871 | */ |
---|
[8068] | 872 | void NetworkStream::handleUpstream( int tick ) |
---|
[7954] | 873 | { |
---|
| 874 | int offset; |
---|
| 875 | int n; |
---|
[9246] | 876 | |
---|
[8068] | 877 | for ( PeerList::reverse_iterator peer = peers.rbegin(); peer != peers.rend(); peer++ ) |
---|
[5802] | 878 | { |
---|
[9246] | 879 | offset = INTSIZE; // reserve enough space for the packet length |
---|
| 880 | |
---|
| 881 | // continue with the next peer if this peer has no socket assigned (therefore no network) |
---|
[7954] | 882 | if ( !peer->second.socket ) |
---|
| 883 | continue; |
---|
[9246] | 884 | |
---|
| 885 | // header informations: current state |
---|
[7954] | 886 | n = Converter::intToByteArray( currentState, buf + offset, UDP_PACKET_SIZE - offset ); |
---|
| 887 | assert( n == INTSIZE ); |
---|
| 888 | offset += n; |
---|
[9246] | 889 | |
---|
| 890 | // header informations: last acked state |
---|
[7954] | 891 | n = Converter::intToByteArray( peer->second.lastAckedState, buf + offset, UDP_PACKET_SIZE - offset ); |
---|
| 892 | assert( n == INTSIZE ); |
---|
| 893 | offset += n; |
---|
[9246] | 894 | |
---|
| 895 | // header informations: last recved state |
---|
[7954] | 896 | n = Converter::intToByteArray( peer->second.lastRecvedState, buf + offset, UDP_PACKET_SIZE - offset ); |
---|
| 897 | assert( n == INTSIZE ); |
---|
| 898 | offset += n; |
---|
[9246] | 899 | |
---|
| 900 | // now write all synchronizeables in the packet |
---|
[7954] | 901 | for ( SynchronizeableList::iterator it = synchronizeables.begin(); it != synchronizeables.end(); it++ ) |
---|
[5810] | 902 | { |
---|
[9406] | 903 | |
---|
[7954] | 904 | int oldOffset = offset; |
---|
| 905 | Synchronizeable & sync = **it; |
---|
[9246] | 906 | |
---|
[9406] | 907 | |
---|
[9246] | 908 | // do not include synchronizeables with uninit id and syncs that don't want to be synchronized |
---|
[9494] | 909 | if ( !sync.beSynchronized() || sync.getUniqueID() <= NET_UID_UNASSIGNED ) |
---|
[7954] | 910 | continue; |
---|
[5730] | 911 | |
---|
[9246] | 912 | // if handshake not finished only sync handshake |
---|
[7954] | 913 | if ( peer->second.handshake && sync.getLeafClassID() != CL_HANDSHAKE ) |
---|
| 914 | continue; |
---|
[9246] | 915 | |
---|
[9406] | 916 | // if we are a server (both master and proxy servers) and this is not our handshake |
---|
[9494] | 917 | if ( ( SharedNetworkData::getInstance()->isMasterServer() || |
---|
| 918 | SharedNetworkData::getInstance()->isProxyServerActive() && peer->second.isClient()) |
---|
| 919 | && sync.getLeafClassID() == CL_HANDSHAKE && sync.getUniqueID() != peer->second.userId ) |
---|
[7954] | 920 | continue; |
---|
[9246] | 921 | |
---|
| 922 | /* list of synchronizeables that will never be synchronized over the network: */ |
---|
| 923 | // do not sync null parent |
---|
[7954] | 924 | if ( sync.getLeafClassID() == CL_NULL_PARENT ) |
---|
| 925 | continue; |
---|
[6139] | 926 | |
---|
[9406] | 927 | |
---|
| 928 | assert( sync.getLeafClassID() != 0); |
---|
| 929 | |
---|
[7954] | 930 | assert( offset + INTSIZE <= UDP_PACKET_SIZE ); |
---|
[9246] | 931 | |
---|
[9532] | 932 | // server fakes uniqueid == 0 for handshake synchronizeable |
---|
[9494] | 933 | if ( ( SharedNetworkData::getInstance()->isMasterServer() || |
---|
| 934 | SharedNetworkData::getInstance()->isProxyServerActive() && peer->second.isClient() ) && |
---|
[9595] | 935 | ( sync.getUniqueID() >= 1000 || sync.getUniqueID() <= SharedNetworkData::getInstance()->getMaxPlayer() + 1 + NET_ID_PROXY_MAX)) |
---|
[9533] | 936 | n = Converter::intToByteArray( 0, buf + offset, UDP_PACKET_SIZE - offset ); |
---|
[7954] | 937 | else |
---|
| 938 | n = Converter::intToByteArray( sync.getUniqueID(), buf + offset, UDP_PACKET_SIZE - offset ); |
---|
[9246] | 939 | |
---|
[9406] | 940 | |
---|
[7954] | 941 | assert( n == INTSIZE ); |
---|
| 942 | offset += n; |
---|
[9246] | 943 | |
---|
[9406] | 944 | // make space for packet size |
---|
[7954] | 945 | offset += INTSIZE; |
---|
[6139] | 946 | |
---|
[7954] | 947 | n = sync.getStateDiff( peer->second.userId, buf + offset, UDP_PACKET_SIZE-offset, currentState, peer->second.lastAckedState, -1000 ); |
---|
| 948 | offset += n; |
---|
[9246] | 949 | |
---|
[7954] | 950 | assert( Converter::intToByteArray( n, buf + offset - n - INTSIZE, INTSIZE ) == INTSIZE ); |
---|
[6341] | 951 | |
---|
[9246] | 952 | // check if all data bytes == 0 -> remove data and the synchronizeable from the sync process since there is no update |
---|
| 953 | // TODO not all synchronizeables like this maybe add Synchronizeable::canRemoveZeroDiff() |
---|
| 954 | bool allZero = true; |
---|
| 955 | for ( int i = 0; i < n; i++ ) |
---|
| 956 | { |
---|
| 957 | if ( buf[i+oldOffset+2*INTSIZE] != 0 ) |
---|
| 958 | allZero = false; |
---|
| 959 | } |
---|
| 960 | // if there is no new data in this synchronizeable reset the data offset to the last state -> dont synchronizes |
---|
| 961 | // data that hast not changed |
---|
| 962 | if ( allZero ) |
---|
| 963 | { |
---|
| 964 | offset = oldOffset; |
---|
| 965 | } |
---|
| 966 | } // all synchronizeables written |
---|
[6139] | 967 | |
---|
[9246] | 968 | |
---|
| 969 | |
---|
[7954] | 970 | for ( SynchronizeableList::iterator it = synchronizeables.begin(); it != synchronizeables.end(); it++ ) |
---|
| 971 | { |
---|
| 972 | Synchronizeable & sync = **it; |
---|
[9246] | 973 | |
---|
[9494] | 974 | // again exclude all unwanted syncs |
---|
| 975 | if ( !sync.beSynchronized() || sync.getUniqueID() <= NET_UID_UNASSIGNED) |
---|
[7954] | 976 | continue; |
---|
[9246] | 977 | |
---|
[7954] | 978 | sync.handleSentState( peer->second.userId, currentState, peer->second.lastAckedState ); |
---|
| 979 | } |
---|
[9246] | 980 | |
---|
| 981 | |
---|
[7954] | 982 | assert( Converter::intToByteArray( offset, buf, INTSIZE ) == INTSIZE ); |
---|
[9246] | 983 | |
---|
| 984 | // now compress the data with the zip library |
---|
[8623] | 985 | int compLength = 0; |
---|
[9494] | 986 | if ( SharedNetworkData::getInstance()->isMasterServer() || |
---|
| 987 | SharedNetworkData::getInstance()->isProxyServerActive()) |
---|
[8623] | 988 | compLength = Zip::getInstance()->zip( buf, offset, compBuf, UDP_PACKET_SIZE, dictServer ); |
---|
| 989 | else |
---|
| 990 | compLength = Zip::getInstance()->zip( buf, offset, compBuf, UDP_PACKET_SIZE, dictClient ); |
---|
[9246] | 991 | |
---|
[8623] | 992 | if ( compLength <= 0 ) |
---|
[7954] | 993 | { |
---|
| 994 | PRINTF(1)("compression failed!\n"); |
---|
| 995 | continue; |
---|
| 996 | } |
---|
[9246] | 997 | |
---|
[7954] | 998 | assert( peer->second.socket->writePacket( compBuf, compLength ) ); |
---|
[9246] | 999 | |
---|
[7954] | 1000 | if ( this->remainingBytesToWriteToDict > 0 ) |
---|
[8623] | 1001 | writeToNewDict( buf, offset, true ); |
---|
[9246] | 1002 | |
---|
[8068] | 1003 | peer->second.connectionMonitor->processUnzippedOutgoingPacket( tick, buf, offset, currentState ); |
---|
| 1004 | peer->second.connectionMonitor->processZippedOutgoingPacket( tick, compBuf, compLength, currentState ); |
---|
[9246] | 1005 | |
---|
[5810] | 1006 | } |
---|
[6139] | 1007 | } |
---|
| 1008 | |
---|
[7954] | 1009 | /** |
---|
| 1010 | * handle downstream network traffic |
---|
| 1011 | */ |
---|
[8068] | 1012 | void NetworkStream::handleDownstream( int tick ) |
---|
[6139] | 1013 | { |
---|
[7954] | 1014 | int offset = 0; |
---|
[9246] | 1015 | |
---|
[7954] | 1016 | int length = 0; |
---|
| 1017 | int packetLength = 0; |
---|
| 1018 | int compLength = 0; |
---|
| 1019 | int uniqueId = 0; |
---|
| 1020 | int state = 0; |
---|
| 1021 | int ackedState = 0; |
---|
| 1022 | int fromState = 0; |
---|
| 1023 | int syncDataLength = 0; |
---|
[9246] | 1024 | |
---|
[7954] | 1025 | for ( PeerList::iterator peer = peers.begin(); peer != peers.end(); peer++ ) |
---|
[5810] | 1026 | { |
---|
[9246] | 1027 | |
---|
[7954] | 1028 | if ( !peer->second.socket ) |
---|
| 1029 | continue; |
---|
[5730] | 1030 | |
---|
[7954] | 1031 | while ( 0 < (compLength = peer->second.socket->readPacket( compBuf, UDP_PACKET_SIZE )) ) |
---|
[6139] | 1032 | { |
---|
[8068] | 1033 | peer->second.connectionMonitor->processZippedIncomingPacket( tick, compBuf, compLength ); |
---|
[9246] | 1034 | |
---|
[7954] | 1035 | packetLength = Zip::getInstance()->unZip( compBuf, compLength, buf, UDP_PACKET_SIZE ); |
---|
[8623] | 1036 | |
---|
[7954] | 1037 | if ( packetLength < 4*INTSIZE ) |
---|
| 1038 | { |
---|
| 1039 | if ( packetLength != 0 ) |
---|
| 1040 | PRINTF(1)("got too small packet: %d\n", packetLength); |
---|
| 1041 | continue; |
---|
| 1042 | } |
---|
[9246] | 1043 | |
---|
[7954] | 1044 | if ( this->remainingBytesToWriteToDict > 0 ) |
---|
[8623] | 1045 | writeToNewDict( buf, packetLength, false ); |
---|
[9246] | 1046 | |
---|
[7954] | 1047 | assert( Converter::byteArrayToInt( buf, &length ) == INTSIZE ); |
---|
| 1048 | assert( Converter::byteArrayToInt( buf + INTSIZE, &state ) == INTSIZE ); |
---|
| 1049 | assert( Converter::byteArrayToInt( buf + 2*INTSIZE, &fromState ) == INTSIZE ); |
---|
| 1050 | assert( Converter::byteArrayToInt( buf + 3*INTSIZE, &ackedState ) == INTSIZE ); |
---|
| 1051 | offset = 4*INTSIZE; |
---|
[9246] | 1052 | |
---|
[8623] | 1053 | peer->second.connectionMonitor->processUnzippedIncomingPacket( tick, buf, packetLength, state, ackedState ); |
---|
[6139] | 1054 | |
---|
[9246] | 1055 | |
---|
[9406] | 1056 | //if this is an old state drop it |
---|
[7954] | 1057 | if ( state <= peer->second.lastRecvedState ) |
---|
| 1058 | continue; |
---|
[9246] | 1059 | |
---|
[7954] | 1060 | if ( packetLength != length ) |
---|
| 1061 | { |
---|
| 1062 | PRINTF(1)("real packet length (%d) and transmitted packet length (%d) do not match!\n", packetLength, length); |
---|
| 1063 | peer->second.socket->disconnectServer(); |
---|
| 1064 | continue; |
---|
| 1065 | } |
---|
[9246] | 1066 | |
---|
[9406] | 1067 | while ( offset + 2 * INTSIZE < length ) |
---|
[7954] | 1068 | { |
---|
[9532] | 1069 | // read the unique id of the sync |
---|
[7954] | 1070 | assert( offset > 0 ); |
---|
| 1071 | assert( Converter::byteArrayToInt( buf + offset, &uniqueId ) == INTSIZE ); |
---|
| 1072 | offset += INTSIZE; |
---|
[9246] | 1073 | |
---|
[9532] | 1074 | // read the data length |
---|
[7954] | 1075 | assert( Converter::byteArrayToInt( buf + offset, &syncDataLength ) == INTSIZE ); |
---|
| 1076 | offset += INTSIZE; |
---|
[9246] | 1077 | |
---|
[7954] | 1078 | assert( syncDataLength > 0 ); |
---|
| 1079 | assert( syncDataLength < 10000 ); |
---|
[9246] | 1080 | |
---|
[7954] | 1081 | Synchronizeable * sync = NULL; |
---|
[9246] | 1082 | |
---|
[9406] | 1083 | // look for the synchronizeable in question |
---|
[7954] | 1084 | for ( SynchronizeableList::iterator it = synchronizeables.begin(); it != synchronizeables.end(); it++ ) |
---|
[9246] | 1085 | { |
---|
[9532] | 1086 | // client thinks his handshake has a special id: hostId * 1000 (host id of this server) |
---|
[9597] | 1087 | if ( (*it)->getUniqueID() == uniqueId || // so this client exists already go to sync work |
---|
| 1088 | ( uniqueId == 0 && (*it)->getUniqueID() == peer->second.userId ) ) // so this is a Handshake! |
---|
[7954] | 1089 | { |
---|
| 1090 | sync = *it; |
---|
| 1091 | break; |
---|
| 1092 | } |
---|
| 1093 | } |
---|
[9246] | 1094 | |
---|
[9406] | 1095 | // this synchronizeable does not yet exist! create it |
---|
[7954] | 1096 | if ( sync == NULL ) |
---|
| 1097 | { |
---|
| 1098 | PRINTF(0)("could not find sync with id %d. try to create it\n", uniqueId); |
---|
[9406] | 1099 | |
---|
| 1100 | // if it is an old synchronizeable already removed, ignore it |
---|
[7954] | 1101 | if ( oldSynchronizeables.find( uniqueId ) != oldSynchronizeables.end() ) |
---|
| 1102 | { |
---|
| 1103 | offset += syncDataLength; |
---|
| 1104 | continue; |
---|
| 1105 | } |
---|
[9246] | 1106 | |
---|
[9494] | 1107 | // if the node we got this unknown sync we ignore it if: |
---|
| 1108 | // - the remote host is a client |
---|
| 1109 | // - the remote host is a proxy server and we are master server |
---|
| 1110 | // (since it has no rights to create a new sync) |
---|
| 1111 | if ( peers[peer->second.userId].isClient() || |
---|
| 1112 | (peers[peer->second.userId].isProxyServerActive() && SharedNetworkData::getInstance()->isMasterServer())) |
---|
[7954] | 1113 | { |
---|
| 1114 | offset += syncDataLength; |
---|
| 1115 | continue; |
---|
| 1116 | } |
---|
[9246] | 1117 | |
---|
[7954] | 1118 | int leafClassId; |
---|
| 1119 | if ( INTSIZE > length - offset ) |
---|
| 1120 | { |
---|
| 1121 | offset += syncDataLength; |
---|
| 1122 | continue; |
---|
| 1123 | } |
---|
[6139] | 1124 | |
---|
[7954] | 1125 | Converter::byteArrayToInt( buf + offset, &leafClassId ); |
---|
[9246] | 1126 | |
---|
[7954] | 1127 | assert( leafClassId != 0 ); |
---|
[9246] | 1128 | |
---|
[9406] | 1129 | |
---|
[7954] | 1130 | BaseObject * b = NULL; |
---|
| 1131 | /* These are some small exeptions in creation: Not all objects can/should be created via Factory */ |
---|
| 1132 | /* Exception 1: NullParent */ |
---|
| 1133 | if( leafClassId == CL_NULL_PARENT || leafClassId == CL_SYNCHRONIZEABLE || leafClassId == CL_NETWORK_GAME_MANAGER ) |
---|
| 1134 | { |
---|
[9406] | 1135 | PRINTF(1)("Don't create Object with ID %x, ignored!\n", (int)leafClassId); |
---|
[7954] | 1136 | offset += syncDataLength; |
---|
| 1137 | continue; |
---|
| 1138 | } |
---|
| 1139 | else |
---|
| 1140 | b = Factory::fabricate( (ClassID)leafClassId ); |
---|
[5800] | 1141 | |
---|
[7954] | 1142 | if ( !b ) |
---|
| 1143 | { |
---|
| 1144 | PRINTF(1)("Could not fabricate Object with classID %x\n", leafClassId); |
---|
| 1145 | offset += syncDataLength; |
---|
| 1146 | continue; |
---|
| 1147 | } |
---|
[5809] | 1148 | |
---|
[7954] | 1149 | if ( b->isA(CL_SYNCHRONIZEABLE) ) |
---|
| 1150 | { |
---|
| 1151 | sync = dynamic_cast<Synchronizeable*>(b); |
---|
| 1152 | sync->setUniqueID( uniqueId ); |
---|
| 1153 | sync->setSynchronized(true); |
---|
[9246] | 1154 | |
---|
[9406] | 1155 | PRINTF(0)("Fabricated %s with id %d\n", sync->getClassCName(), sync->getUniqueID()); |
---|
[7954] | 1156 | } |
---|
| 1157 | else |
---|
| 1158 | { |
---|
| 1159 | PRINTF(1)("Class with ID %x is not a synchronizeable!\n", (int)leafClassId); |
---|
| 1160 | delete b; |
---|
| 1161 | offset += syncDataLength; |
---|
| 1162 | continue; |
---|
| 1163 | } |
---|
| 1164 | } |
---|
[6139] | 1165 | |
---|
[9246] | 1166 | |
---|
| 1167 | int n = sync->setStateDiff( peer->second.userId, buf+offset, syncDataLength, state, fromState ); |
---|
[7954] | 1168 | offset += n; |
---|
[6498] | 1169 | |
---|
[7954] | 1170 | } |
---|
[9246] | 1171 | |
---|
[7954] | 1172 | if ( offset != length ) |
---|
[6139] | 1173 | { |
---|
[7954] | 1174 | PRINTF(0)("offset (%d) != length (%d)\n", offset, length); |
---|
| 1175 | peer->second.socket->disconnectServer(); |
---|
[6139] | 1176 | } |
---|
[9246] | 1177 | |
---|
| 1178 | |
---|
[7954] | 1179 | for ( SynchronizeableList::iterator it = synchronizeables.begin(); it != synchronizeables.end(); it++ ) |
---|
[6139] | 1180 | { |
---|
[7954] | 1181 | Synchronizeable & sync = **it; |
---|
[9246] | 1182 | |
---|
[9494] | 1183 | if ( !sync.beSynchronized() || sync.getUniqueID() <= NET_UID_UNASSIGNED ) |
---|
[7954] | 1184 | continue; |
---|
[9246] | 1185 | |
---|
[7954] | 1186 | sync.handleRecvState( peer->second.userId, state, fromState ); |
---|
[6139] | 1187 | } |
---|
[9246] | 1188 | |
---|
[7954] | 1189 | assert( peer->second.lastAckedState <= ackedState ); |
---|
| 1190 | peer->second.lastAckedState = ackedState; |
---|
[9246] | 1191 | |
---|
[7954] | 1192 | assert( peer->second.lastRecvedState < state ); |
---|
| 1193 | peer->second.lastRecvedState = state; |
---|
[8228] | 1194 | |
---|
[6139] | 1195 | } |
---|
[9246] | 1196 | |
---|
[6139] | 1197 | } |
---|
[9246] | 1198 | |
---|
[7954] | 1199 | } |
---|
[6139] | 1200 | |
---|
[7954] | 1201 | /** |
---|
| 1202 | * is executed when a handshake has finished |
---|
| 1203 | */ |
---|
| 1204 | void NetworkStream::handleNewClient( int userId ) |
---|
| 1205 | { |
---|
[9406] | 1206 | // init and assign the message manager |
---|
[7954] | 1207 | MessageManager::getInstance()->initUser( userId ); |
---|
[9406] | 1208 | // do all game relevant stuff here |
---|
[7954] | 1209 | networkGameManager->signalNewPlayer( userId ); |
---|
[5604] | 1210 | } |
---|
[6139] | 1211 | |
---|
[9406] | 1212 | |
---|
[7954] | 1213 | /** |
---|
| 1214 | * removes old items from oldSynchronizeables |
---|
| 1215 | */ |
---|
| 1216 | void NetworkStream::cleanUpOldSyncList( ) |
---|
[6139] | 1217 | { |
---|
[7954] | 1218 | int now = SDL_GetTicks(); |
---|
[9246] | 1219 | |
---|
[7954] | 1220 | for ( std::map<int,int>::iterator it = oldSynchronizeables.begin(); it != oldSynchronizeables.end(); ) |
---|
[6139] | 1221 | { |
---|
[7954] | 1222 | if ( it->second < now - 10*1000 ) |
---|
| 1223 | { |
---|
| 1224 | std::map<int,int>::iterator delIt = it; |
---|
| 1225 | it++; |
---|
| 1226 | oldSynchronizeables.erase( delIt ); |
---|
| 1227 | continue; |
---|
| 1228 | } |
---|
| 1229 | it++; |
---|
[6139] | 1230 | } |
---|
[7954] | 1231 | } |
---|
| 1232 | |
---|
| 1233 | /** |
---|
| 1234 | * writes data to DATA/dicts/newdict |
---|
| 1235 | * @param data pointer to data |
---|
| 1236 | * @param length length |
---|
| 1237 | */ |
---|
[8623] | 1238 | void NetworkStream::writeToNewDict( byte * data, int length, bool upstream ) |
---|
[7954] | 1239 | { |
---|
| 1240 | if ( remainingBytesToWriteToDict <= 0 ) |
---|
| 1241 | return; |
---|
[9246] | 1242 | |
---|
[7954] | 1243 | if ( length > remainingBytesToWriteToDict ) |
---|
| 1244 | length = remainingBytesToWriteToDict; |
---|
[9246] | 1245 | |
---|
[7954] | 1246 | std::string fileName = ResourceManager::getInstance()->getDataDir(); |
---|
| 1247 | fileName += "/dicts/newdict"; |
---|
[9246] | 1248 | |
---|
[8623] | 1249 | if ( upstream ) |
---|
| 1250 | fileName += "_upstream"; |
---|
| 1251 | else |
---|
| 1252 | fileName += "_downstream"; |
---|
[9246] | 1253 | |
---|
[7954] | 1254 | FILE * f = fopen( fileName.c_str(), "a" ); |
---|
[9246] | 1255 | |
---|
[7954] | 1256 | if ( !f ) |
---|
[6139] | 1257 | { |
---|
[7954] | 1258 | PRINTF(2)("could not open %s\n", fileName.c_str()); |
---|
| 1259 | remainingBytesToWriteToDict = 0; |
---|
[6139] | 1260 | return; |
---|
| 1261 | } |
---|
[9246] | 1262 | |
---|
[7954] | 1263 | if ( fwrite( data, 1, length, f ) != length ) |
---|
[6341] | 1264 | { |
---|
[7954] | 1265 | PRINTF(2)("could not write to file\n"); |
---|
| 1266 | fclose( f ); |
---|
[6341] | 1267 | return; |
---|
| 1268 | } |
---|
[9246] | 1269 | |
---|
[7954] | 1270 | fclose( f ); |
---|
[9246] | 1271 | |
---|
| 1272 | remainingBytesToWriteToDict -= length; |
---|
[6139] | 1273 | } |
---|
| 1274 | |
---|
| 1275 | |
---|
[6695] | 1276 | |
---|
| 1277 | |
---|
| 1278 | |
---|
| 1279 | |
---|