[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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[9406] | 83 | break; |
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| 84 | case NET_PROXY_SERVER_ACTIVE: |
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| 85 | // init the shared network data |
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[9494] | 86 | SharedNetworkData::getInstance()->setHostID(NET_ID_PROXY_SERVER_01); |
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[9406] | 87 | break; |
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| 88 | case NET_PROXY_SERVER_PASSIVE: |
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[9494] | 89 | // init the shared network data |
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| 90 | SharedNetworkData::getInstance()->setHostID(NET_ID_PROXY_SERVER_01); |
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[9406] | 91 | break; |
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| 92 | case NET_CLIENT: |
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[9494] | 93 | SharedNetworkData::getInstance()->setHostID(NET_ID_UNASSIGNED); |
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[9406] | 94 | break; |
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| 95 | } |
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| 96 | |
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| 97 | SharedNetworkData::getInstance()->setDefaultSyncStream(this); |
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| 98 | |
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| 99 | // get the local ip address |
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| 100 | IPaddress ip; |
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| 101 | SDLNet_ResolveHost( &ip, NULL, 0); |
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| 102 | this->pInfo->ip = ip; |
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[5649] | 103 | } |
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| 104 | |
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| 105 | |
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[9406] | 106 | |
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[9246] | 107 | /** |
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| 108 | * generic init functions |
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| 109 | */ |
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[5647] | 110 | void NetworkStream::init() |
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| 111 | { |
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| 112 | /* set the class id for the base object */ |
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| 113 | this->setClassID(CL_NETWORK_STREAM, "NetworkStream"); |
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[9494] | 114 | this->clientSocket = NULL; |
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| 115 | this->proxySocket = NULL; |
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[6341] | 116 | this->networkGameManager = NULL; |
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[9406] | 117 | this->networkMonitor = NULL; |
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[9246] | 118 | |
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[9406] | 119 | this->pInfo = new PeerInfo(); |
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[9548] | 120 | this->pInfo->userId = NET_UID_UNASSIGNED; |
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[9406] | 121 | this->pInfo->lastAckedState = 0; |
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| 122 | this->pInfo->lastRecvedState = 0; |
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| 123 | |
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[9494] | 124 | this->bRedirect = false; |
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[9406] | 125 | |
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| 126 | this->currentState = 0; |
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| 127 | |
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[7954] | 128 | remainingBytesToWriteToDict = Preferences::getInstance()->getInt( "compression", "writedict", 0 ); |
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[9246] | 129 | |
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[8623] | 130 | assert( Zip::getInstance()->loadDictionary( "testdict" ) >= 0 ); |
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| 131 | this->dictClient = Zip::getInstance()->loadDictionary( "dict2pl_client" ); |
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| 132 | assert( this->dictClient >= 0 ); |
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| 133 | this->dictServer = Zip::getInstance()->loadDictionary( "dict2p_server" ); |
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| 134 | assert( this->dictServer >= 0 ); |
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[5594] | 135 | } |
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| 136 | |
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[5647] | 137 | |
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[9246] | 138 | /** |
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| 139 | * deconstructor |
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| 140 | */ |
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[5566] | 141 | NetworkStream::~NetworkStream() |
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[5598] | 142 | { |
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[9494] | 143 | if ( this->clientSocket ) |
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[6139] | 144 | { |
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[9494] | 145 | clientSocket->close(); |
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| 146 | delete clientSocket; |
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| 147 | clientSocket = NULL; |
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[6139] | 148 | } |
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[9494] | 149 | if ( this->proxySocket) |
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| 150 | { |
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| 151 | proxySocket->close(); |
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| 152 | delete proxySocket; |
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| 153 | proxySocket = NULL; |
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| 154 | } |
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[7954] | 155 | for ( PeerList::iterator i = peers.begin(); i!=peers.end(); i++) |
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[6139] | 156 | { |
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[7954] | 157 | if ( i->second.socket ) |
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[6139] | 158 | { |
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[7954] | 159 | i->second.socket->disconnectServer(); |
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| 160 | delete i->second.socket; |
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| 161 | i->second.socket = NULL; |
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[6139] | 162 | } |
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[9246] | 163 | |
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[7954] | 164 | if ( i->second.handshake ) |
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[6139] | 165 | { |
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[7954] | 166 | delete i->second.handshake; |
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| 167 | i->second.handshake = NULL; |
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[6139] | 168 | } |
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[9246] | 169 | |
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[8623] | 170 | if ( i->second.connectionMonitor ) |
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| 171 | { |
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| 172 | delete i->second.connectionMonitor; |
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| 173 | i->second.connectionMonitor = NULL; |
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| 174 | } |
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[6139] | 175 | } |
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[8228] | 176 | for ( SynchronizeableList::const_iterator it = getSyncBegin(); it != getSyncEnd(); it ++ ) |
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| 177 | (*it)->setNetworkStream( NULL ); |
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[9406] | 178 | |
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| 179 | if( this->pInfo) |
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| 180 | delete this->pInfo; |
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| 181 | |
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| 182 | if( this->networkMonitor) |
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| 183 | delete this->networkMonitor; |
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[5598] | 184 | } |
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| 185 | |
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[5996] | 186 | |
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[9246] | 187 | /** |
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[9406] | 188 | * establish a connection to a remote master server |
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| 189 | * @param host: host name |
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| 190 | * @param port: the port number |
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| 191 | */ |
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| 192 | void NetworkStream::connectToMasterServer(std::string host, int port) |
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| 193 | { |
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[9494] | 194 | int node = NET_ID_MASTER_SERVER; |
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| 195 | // this create the new node in the peers map |
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[9406] | 196 | this->peers[node].socket = new UdpSocket( host, port ); |
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[9494] | 197 | this->peers[node].userId = NET_ID_MASTER_SERVER; |
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[9406] | 198 | |
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| 199 | this->peers[node].nodeType = NET_MASTER_SERVER; |
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[9494] | 200 | this->peers[node].connectionMonitor = new ConnectionMonitor( NET_ID_MASTER_SERVER ); |
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[9406] | 201 | this->peers[node].ip = this->peers[node].socket->getRemoteAddress(); |
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| 202 | } |
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| 203 | |
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| 204 | |
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| 205 | /** |
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| 206 | * establish a connection to a remote proxy server |
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| 207 | * @param host: host name |
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| 208 | * @param port: the port number |
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| 209 | */ |
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[9494] | 210 | void NetworkStream::connectToProxyServer(int proxyId, std::string host, int port) |
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[9406] | 211 | { |
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[9494] | 212 | PRINTF(0)("connect to proxy %s, this is proxyId %i\n", host.c_str(), proxyId); |
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[9406] | 213 | |
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[9494] | 214 | // this creates the new proxyId in the peers map |
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| 215 | this->peers[proxyId].socket = new UdpSocket( host, port ); |
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| 216 | this->peers[proxyId].userId = proxyId; |
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| 217 | |
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| 218 | this->peers[proxyId].nodeType = NET_PROXY_SERVER_ACTIVE; |
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| 219 | this->peers[proxyId].connectionMonitor = new ConnectionMonitor( proxyId ); |
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| 220 | this->peers[proxyId].ip = this->peers[proxyId].socket->getRemoteAddress(); |
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[9406] | 221 | } |
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| 222 | |
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| 223 | |
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| 224 | /** |
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| 225 | * create a server |
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| 226 | * @param port: interface port for all clients |
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| 227 | */ |
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[9494] | 228 | void NetworkStream::createServer(int clientPort, int proxyPort) |
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[9406] | 229 | { |
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[9494] | 230 | PRINTF(0)(" Creating new Server: listening for clients on port %i and for proxies on port %i", clientPort, proxyPort); |
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| 231 | this->clientSocket= new UdpServerSocket(clientPort); |
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| 232 | this->proxySocket = new UdpServerSocket(proxyPort); |
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[9406] | 233 | } |
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| 234 | |
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| 235 | |
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| 236 | /** |
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[9246] | 237 | * creates a new instance of the network game manager |
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| 238 | */ |
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[6695] | 239 | void NetworkStream::createNetworkGameManager() |
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| 240 | { |
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| 241 | this->networkGameManager = NetworkGameManager::getInstance(); |
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[9406] | 242 | |
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[7954] | 243 | this->networkGameManager->setUniqueID( SharedNetworkData::getInstance()->getNewUniqueID() ); |
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| 244 | MessageManager::getInstance()->setUniqueID( SharedNetworkData::getInstance()->getNewUniqueID() ); |
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[6695] | 245 | } |
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| 246 | |
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| 247 | |
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[9246] | 248 | /** |
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| 249 | * starts the network handshake |
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[9406] | 250 | * handsakes are always initialized from the client side first. this starts the handshake and therefore is only |
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| 251 | * executed as client |
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[9494] | 252 | * @param userId: start handshake for this user id (optional, default == 0) |
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[9246] | 253 | */ |
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[9494] | 254 | void NetworkStream::startHandshake(int userId) |
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[6695] | 255 | { |
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[9406] | 256 | Handshake* hs = new Handshake(this->pInfo->nodeType); |
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[9494] | 257 | // fake the unique id |
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| 258 | hs->setUniqueID( NET_UID_HANDSHAKE ); |
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| 259 | assert( peers[userId].handshake == NULL ); |
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| 260 | peers[userId].handshake = hs; |
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[9246] | 261 | |
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[9406] | 262 | // set the preferred nick name |
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[9235] | 263 | hs->setPreferedNickName( Preferences::getInstance()->getString( "multiplayer", "nickname", "Player" ) ); |
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[9246] | 264 | |
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[9406] | 265 | PRINTF(0)("NetworkStream: Handshake created: %s\n", hs->getCName()); |
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[6695] | 266 | } |
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| 267 | |
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| 268 | |
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[9246] | 269 | /** |
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| 270 | * this functions connects a synchronizeable to the networkstream, therefore synchronizeing |
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| 271 | * it all over the network and creating it on the other platforms (if and only if it is a |
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| 272 | * server |
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[9494] | 273 | * @param sync: the synchronizeable to add |
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[9246] | 274 | */ |
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[5996] | 275 | void NetworkStream::connectSynchronizeable(Synchronizeable& sync) |
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| 276 | { |
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[6139] | 277 | this->synchronizeables.push_back(&sync); |
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| 278 | sync.setNetworkStream( this ); |
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[5996] | 279 | } |
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| 280 | |
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[6695] | 281 | |
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[9246] | 282 | /** |
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| 283 | * removes the synchronizeable from the list of synchronized entities |
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[9494] | 284 | * @param sync: the syncronizeable to remove |
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[9246] | 285 | */ |
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[6139] | 286 | void NetworkStream::disconnectSynchronizeable(Synchronizeable& sync) |
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| 287 | { |
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[6144] | 288 | // removing the Synchronizeable from the List. |
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| 289 | std::list<Synchronizeable*>::iterator disconnectSynchro = std::find(this->synchronizeables.begin(), this->synchronizeables.end(), &sync); |
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| 290 | if (disconnectSynchro != this->synchronizeables.end()) |
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| 291 | this->synchronizeables.erase(disconnectSynchro); |
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[9246] | 292 | |
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[7954] | 293 | oldSynchronizeables[sync.getUniqueID()] = SDL_GetTicks(); |
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[6139] | 294 | } |
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| 295 | |
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| 296 | |
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[9246] | 297 | /** |
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| 298 | * this is called to process data from the network socket to the synchronizeable and vice versa |
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| 299 | */ |
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[5604] | 300 | void NetworkStream::processData() |
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| 301 | { |
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[9406] | 302 | // create the network monitor after all the init work and before there is any connection handlings |
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| 303 | if( this->networkMonitor == NULL) |
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| 304 | this->networkMonitor = new NetworkMonitor(this); |
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| 305 | |
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| 306 | |
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[8068] | 307 | int tick = SDL_GetTicks(); |
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[9246] | 308 | |
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[9406] | 309 | this->currentState++; |
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| 310 | // there was a wrap around |
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| 311 | if( this->currentState < 0) |
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| 312 | { |
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| 313 | 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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| 314 | } |
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[9246] | 315 | |
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[9494] | 316 | if ( SharedNetworkData::getInstance()->isMasterServer()) |
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[7954] | 317 | { |
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[9406] | 318 | // execute everytthing the master server shoudl do |
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[9494] | 319 | if ( this->clientSocket ) |
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| 320 | this->clientSocket->update(); |
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| 321 | if( this->proxySocket) |
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| 322 | this->proxySocket->update(); |
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[9246] | 323 | |
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[6139] | 324 | this->updateConnectionList(); |
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[7954] | 325 | } |
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[9494] | 326 | else if( SharedNetworkData::getInstance()->isProxyServerActive()) |
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[9406] | 327 | { |
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[9494] | 328 | //execute everything the proxy server should do |
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| 329 | if ( this->clientSocket ) |
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| 330 | this->clientSocket->update(); |
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| 331 | if( this->proxySocket) |
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| 332 | this->proxySocket->update(); |
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[9406] | 333 | |
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| 334 | this->updateConnectionList(); |
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| 335 | } |
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[9494] | 336 | |
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| 337 | #warning make this more modular: every proxy/master server connection should be watched for termination |
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| 338 | if( !SharedNetworkData::getInstance()->isMasterServer()) |
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[6139] | 339 | { |
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[9246] | 340 | // check if the connection is ok else terminate and remove |
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[9494] | 341 | if ( !peers.empty() && peers[NET_ID_MASTER_SERVER].socket && |
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| 342 | ( !peers[NET_ID_MASTER_SERVER].socket->isOk() || |
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| 343 | peers[NET_ID_MASTER_SERVER].connectionMonitor->hasTimedOut() ) ) |
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[6139] | 344 | { |
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[9494] | 345 | this->handleDisconnect( NET_ID_MASTER_SERVER); |
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[6139] | 346 | PRINTF(1)("lost connection to server\n"); |
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| 347 | } |
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[9494] | 348 | // check if there is a redirection command |
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| 349 | if( this->bRedirect) |
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| 350 | { |
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| 351 | this->handleReconnect( NET_ID_MASTER_SERVER); |
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| 352 | } |
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[6139] | 353 | } |
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| 354 | |
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[9494] | 355 | this->cleanUpOldSyncList(); |
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| 356 | this->handleHandshakes(); |
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[9246] | 357 | |
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[9406] | 358 | // update the network monitor |
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| 359 | this->networkMonitor->process(); |
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| 360 | |
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[7954] | 361 | // order of up/downstream is important!!!! |
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| 362 | // don't change it |
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[9494] | 363 | this->handleDownstream( tick ); |
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| 364 | this->handleUpstream( tick ); |
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[7954] | 365 | } |
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| 366 | |
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[9246] | 367 | |
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| 368 | /** |
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[9494] | 369 | * @brief handles incoming connections |
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| 370 | * |
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| 371 | * 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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| 372 | * start and initialize the handsake for the new clients |
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[9246] | 373 | */ |
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[7954] | 374 | void NetworkStream::updateConnectionList( ) |
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| 375 | { |
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| 376 | //check for new connections |
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| 377 | |
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[9494] | 378 | NetworkSocket* tempNetworkSocket = NULL; |
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| 379 | int userId; |
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[7954] | 380 | |
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[9494] | 381 | if( this->clientSocket != NULL) |
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[6139] | 382 | { |
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[9494] | 383 | tempNetworkSocket = this->clientSocket->getNewSocket(); |
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| 384 | |
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| 385 | // we got new NET_CLIENT connecting |
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| 386 | if ( tempNetworkSocket ) |
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[6139] | 387 | { |
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[9576] | 388 | // get a userId |
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| 389 | // if ( freeSocketSlots.size() > 0 ) |
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| 390 | // { |
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| 391 | // // this should never be called |
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| 392 | // userId = freeSocketSlots.back(); |
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| 393 | // freeSocketSlots.pop_back(); |
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| 394 | // } |
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| 395 | // else |
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[9494] | 396 | { |
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[9531] | 397 | // each server (proxy and master) have an address space for new network nodes of 1000 nodes |
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[9541] | 398 | userId = SharedNetworkData::getInstance()->getHostID() * 1000 + 1; |
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[9246] | 399 | |
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[9494] | 400 | for ( PeerList::iterator it = peers.begin(); it != peers.end(); it++ ) |
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| 401 | if ( it->first >= userId ) |
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| 402 | userId = it->first + 1; |
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[9531] | 403 | |
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[9544] | 404 | // make sure that this server only uses an address space of 1000 |
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[9531] | 405 | assert( userId < (SharedNetworkData::getInstance()->getHostID() + 1) * 1000); |
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[9494] | 406 | } |
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| 407 | // this creates a new entry in the peers list |
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| 408 | peers[userId].socket = tempNetworkSocket; |
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| 409 | peers[userId].nodeType = NET_CLIENT; |
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[9246] | 410 | |
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[9494] | 411 | // handle the newly connected client |
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| 412 | this->handleConnect(userId); |
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[9246] | 413 | |
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[9494] | 414 | PRINTF(0)("New Client: %d\n", userId); |
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| 415 | } |
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| 416 | } |
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[6341] | 417 | |
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[9406] | 418 | |
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[9494] | 419 | if( this->proxySocket != NULL) |
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| 420 | { |
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| 421 | tempNetworkSocket = this->proxySocket->getNewSocket(); |
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[9406] | 422 | |
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[9494] | 423 | // we got new NET_PROXY_SERVER_ACTIVE connecting |
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| 424 | if ( tempNetworkSocket ) |
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[7954] | 425 | { |
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[9494] | 426 | // determine the network node id |
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| 427 | if ( freeSocketSlots.size() > 0 ) |
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| 428 | { |
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| 429 | userId = freeSocketSlots.back(); |
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| 430 | freeSocketSlots.pop_back(); |
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| 431 | } |
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| 432 | else |
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| 433 | { |
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| 434 | userId = 1; |
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[6498] | 435 | |
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[9494] | 436 | for ( PeerList::iterator it = peers.begin(); it != peers.end(); it++ ) |
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| 437 | if ( it->first >= userId ) |
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| 438 | userId = it->first + 1; |
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| 439 | } |
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[9406] | 440 | |
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[9494] | 441 | // this creates a new entry in the peers list |
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| 442 | peers[userId].socket = tempNetworkSocket; |
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| 443 | peers[userId].nodeType = NET_PROXY_SERVER_ACTIVE; |
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[9406] | 444 | |
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[9494] | 445 | // handle the newly connected proxy server |
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| 446 | this->handleConnect(userId); |
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[9406] | 447 | |
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[9494] | 448 | PRINTF(0)("New proxy connected: %d\n", userId); |
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| 449 | } |
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[7954] | 450 | } |
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[6341] | 451 | |
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[9246] | 452 | |
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[9570] | 453 | |
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[7954] | 454 | //check if connections are ok else remove them |
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[8228] | 455 | for ( PeerList::iterator it = peers.begin(); it != peers.end(); ) |
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[7954] | 456 | { |
---|
[9246] | 457 | if ( |
---|
[7954] | 458 | it->second.socket && |
---|
[9246] | 459 | ( |
---|
[7954] | 460 | !it->second.socket->isOk() || |
---|
| 461 | it->second.connectionMonitor->hasTimedOut() |
---|
| 462 | ) |
---|
| 463 | ) |
---|
| 464 | { |
---|
| 465 | std::string reason = "disconnected"; |
---|
| 466 | if ( it->second.connectionMonitor->hasTimedOut() ) |
---|
| 467 | reason = "timeout"; |
---|
| 468 | PRINTF(0)("Client is gone: %d (%s)\n", it->second.userId, reason.c_str()); |
---|
| 469 | |
---|
[9571] | 470 | |
---|
[9494] | 471 | this->handleDisconnect( it->second.userId); |
---|
[9571] | 472 | |
---|
[9570] | 473 | if( SharedNetworkData::getInstance()->isProxyServerActive()) |
---|
| 474 | ProxyControl::getInstance()->signalLeaveClient(it->second.userId); |
---|
[9246] | 475 | |
---|
[9494] | 476 | it++; |
---|
| 477 | continue; |
---|
| 478 | } |
---|
[7954] | 479 | |
---|
[9494] | 480 | it++; |
---|
| 481 | } |
---|
[9246] | 482 | |
---|
| 483 | |
---|
[9494] | 484 | } |
---|
[7954] | 485 | |
---|
| 486 | |
---|
[9494] | 487 | /** |
---|
| 488 | * this handles new connections |
---|
| 489 | * @param userId: the id of the new user node |
---|
| 490 | */ |
---|
| 491 | void NetworkStream::handleConnect( int userId) |
---|
| 492 | { |
---|
| 493 | // create new handshake and init its variables |
---|
| 494 | peers[userId].handshake = new Handshake(this->pInfo->nodeType, userId, this->networkGameManager->getUniqueID(), MessageManager::getInstance()->getUniqueID()); |
---|
| 495 | peers[userId].handshake->setUniqueID(userId); |
---|
[9246] | 496 | |
---|
[9494] | 497 | peers[userId].connectionMonitor = new ConnectionMonitor( userId ); |
---|
| 498 | peers[userId].userId = userId; |
---|
[9246] | 499 | |
---|
[9494] | 500 | PRINTF(0)("num sync: %d\n", synchronizeables.size()); |
---|
[9246] | 501 | |
---|
[9494] | 502 | // get the proxy server informations and write them to the handshake, if any (proxy) |
---|
| 503 | assert( this->networkMonitor != NULL); |
---|
| 504 | PeerInfo* pi = this->networkMonitor->getFirstChoiceProxy(); |
---|
| 505 | if( pi != NULL) |
---|
| 506 | { |
---|
| 507 | peers[userId].handshake->setProxy1Address( pi->ip); |
---|
[6139] | 508 | } |
---|
[9494] | 509 | pi = this->networkMonitor->getSecondChoiceProxy(); |
---|
| 510 | if( pi != NULL) |
---|
| 511 | peers[userId].handshake->setProxy2Address( pi->ip); |
---|
[6139] | 512 | |
---|
[9494] | 513 | // check if the connecting client should reconnect to a proxy server |
---|
| 514 | if( SharedNetworkData::getInstance()->isMasterServer()) |
---|
| 515 | peers[userId].handshake->setRedirect(/*this->networkMonitor->isReconnectNextClient()*/false); |
---|
[6139] | 516 | |
---|
[9494] | 517 | // the connecting node of course is a client |
---|
| 518 | peers[userId].ip = peers[userId].socket->getRemoteAddress(); |
---|
[7954] | 519 | } |
---|
[5800] | 520 | |
---|
[9246] | 521 | |
---|
[9494] | 522 | |
---|
| 523 | /** |
---|
| 524 | * some debug output |
---|
| 525 | */ |
---|
[7954] | 526 | void NetworkStream::debug() |
---|
| 527 | { |
---|
[9406] | 528 | if( SharedNetworkData::getInstance()->isMasterServer()) { |
---|
| 529 | PRINT(0)(" Host ist Master Server with ID: %i\n", this->pInfo->userId); |
---|
| 530 | } |
---|
[9494] | 531 | else if( SharedNetworkData::getInstance()->isProxyServerActive()) { |
---|
[9406] | 532 | PRINT(0)(" Host ist Proxy Server with ID: %i\n", this->pInfo->userId); |
---|
| 533 | } |
---|
| 534 | else { |
---|
| 535 | PRINT(0)(" Host ist Client with ID: %i\n", this->pInfo->userId); |
---|
| 536 | } |
---|
[6695] | 537 | |
---|
[9574] | 538 | PRINT(0)(" Current number of connections is: %i\n", this->peers.size()); |
---|
[9548] | 539 | for ( PeerList::iterator it = peers.begin(); it != peers.end(); it++ ) |
---|
| 540 | { |
---|
[9574] | 541 | PRINT(0)(" peers[%i] with uniqueId %i and address: %s\n", it->first, it->second.userId, it->second.ip.ipString().c_str()); |
---|
[9548] | 542 | } |
---|
[9574] | 543 | PRINT(0)("\n\n"); |
---|
[9548] | 544 | |
---|
| 545 | |
---|
[7954] | 546 | PRINT(0)(" Got %i connected Synchronizeables, showing active Syncs:\n", this->synchronizeables.size()); |
---|
[6139] | 547 | for (SynchronizeableList::iterator it = synchronizeables.begin(); it!=synchronizeables.end(); it++) |
---|
[5996] | 548 | { |
---|
[7954] | 549 | if( (*it)->beSynchronized() == true) |
---|
[9406] | 550 | PRINT(0)(" Synchronizeable of class: %s::%s, with unique ID: %i, Synchronize: %i\n", (*it)->getClassCName(), (*it)->getCName(), |
---|
[7954] | 551 | (*it)->getUniqueID(), (*it)->beSynchronized()); |
---|
| 552 | } |
---|
[9406] | 553 | PRINT(0)(" Maximal Connections: %i\n", SharedNetworkData::getInstance()->getMaxPlayer() ); |
---|
[6959] | 554 | |
---|
[7954] | 555 | } |
---|
[6959] | 556 | |
---|
| 557 | |
---|
[9246] | 558 | /** |
---|
| 559 | * @returns the number of synchronizeables registered to this stream |
---|
| 560 | */ |
---|
[7954] | 561 | int NetworkStream::getSyncCount() |
---|
| 562 | { |
---|
| 563 | int n = 0; |
---|
| 564 | for (SynchronizeableList::iterator it = synchronizeables.begin(); it!=synchronizeables.end(); it++) |
---|
| 565 | if( (*it)->beSynchronized() == true) |
---|
| 566 | ++n; |
---|
[5730] | 567 | |
---|
[7954] | 568 | //return synchronizeables.size(); |
---|
| 569 | return n; |
---|
| 570 | } |
---|
[6139] | 571 | |
---|
[9246] | 572 | |
---|
[7954] | 573 | /** |
---|
[9246] | 574 | * check if handshakes completed. if so create the network game manager else remove it again |
---|
[7954] | 575 | */ |
---|
| 576 | void NetworkStream::handleHandshakes( ) |
---|
| 577 | { |
---|
| 578 | for ( PeerList::iterator it = peers.begin(); it != peers.end(); it++ ) |
---|
| 579 | { |
---|
| 580 | if ( it->second.handshake ) |
---|
| 581 | { |
---|
[9406] | 582 | // handshake finished |
---|
[7954] | 583 | if ( it->second.handshake->completed() ) |
---|
| 584 | { |
---|
[9406] | 585 | //handshake is correct |
---|
[7954] | 586 | if ( it->second.handshake->ok() ) |
---|
[6341] | 587 | { |
---|
[9494] | 588 | // write the first informations into the node so they can be read from there for case differentiation |
---|
| 589 | it->second.nodeType = it->second.handshake->getRemoteNodeType(); |
---|
| 590 | |
---|
| 591 | // the counter part didn't mark it free for deletion yet |
---|
[7954] | 592 | if ( !it->second.handshake->allowDel() ) |
---|
[6139] | 593 | { |
---|
[9494] | 594 | // make sure this is a connection: |
---|
| 595 | // - client <==> master server |
---|
| 596 | // - proxy server <==> master server |
---|
[9545] | 597 | if( SharedNetworkData::getInstance()->isClient() || |
---|
| 598 | SharedNetworkData::getInstance()->isProxyServerActive() && |
---|
| 599 | SharedNetworkData::getInstance()->isUserMasterServer(it->second.userId)) |
---|
[9494] | 600 | { |
---|
[9575] | 601 | PRINTF(4)("Handshake: i am in client role\n"); |
---|
[9406] | 602 | |
---|
[7954] | 603 | SharedNetworkData::getInstance()->setHostID( it->second.handshake->getHostId() ); |
---|
[9406] | 604 | this->pInfo->userId = SharedNetworkData::getInstance()->getHostID(); |
---|
[7954] | 605 | |
---|
[9494] | 606 | #warning the ip address is not set here because it results in a segfault when connecting to a proxy server => trace this later |
---|
| 607 | // it->second.ip = it->second.socket->getRemoteAddress(); |
---|
| 608 | |
---|
| 609 | // it->second.nodeType = it->second.handshake->getRemoteNodeType(); |
---|
| 610 | // it->second.ip = it->second.socket->getRemoteAddress(); |
---|
[9406] | 611 | // add the new server to the nodes list (it can be a NET_MASTER_SERVER or NET_PROXY_SERVER) |
---|
| 612 | this->networkMonitor->addNode(&it->second); |
---|
| 613 | // get proxy 1 address and add it |
---|
| 614 | this->networkMonitor->addNode(it->second.handshake->getProxy1Address(), NET_PROXY_SERVER_ACTIVE); |
---|
| 615 | // get proxy 2 address and add it |
---|
| 616 | this->networkMonitor->addNode(it->second.handshake->getProxy2Address(), NET_PROXY_SERVER_ACTIVE); |
---|
| 617 | |
---|
| 618 | // now check if the server accepted the connection |
---|
[9494] | 619 | if( SharedNetworkData::getInstance()->isClient() && it->second.handshake->redirect() ) |
---|
| 620 | { |
---|
| 621 | this->bRedirect = true; |
---|
| 622 | } |
---|
[9406] | 623 | |
---|
| 624 | // create the new network game manager and init it |
---|
[7954] | 625 | this->networkGameManager = NetworkGameManager::getInstance(); |
---|
| 626 | this->networkGameManager->setUniqueID( it->second.handshake->getNetworkGameManagerId() ); |
---|
[9406] | 627 | // init the new message manager |
---|
[7954] | 628 | MessageManager::getInstance()->setUniqueID( it->second.handshake->getMessageManagerId() ); |
---|
[6868] | 629 | } |
---|
[7954] | 630 | |
---|
| 631 | PRINT(0)("handshake finished id=%d\n", it->second.handshake->getNetworkGameManagerId()); |
---|
| 632 | it->second.handshake->del(); |
---|
[9494] | 633 | |
---|
[6139] | 634 | } |
---|
| 635 | else |
---|
| 636 | { |
---|
[9406] | 637 | // handshake finished registring new player |
---|
[7954] | 638 | if ( it->second.handshake->canDel() ) |
---|
[6868] | 639 | { |
---|
[9406] | 640 | |
---|
[9494] | 641 | if ( SharedNetworkData::getInstance()->isMasterServer() ) |
---|
[7954] | 642 | { |
---|
[9406] | 643 | it->second.ip = it->second.socket->getRemoteAddress(); |
---|
[9246] | 644 | |
---|
[9406] | 645 | this->networkMonitor->addNode(&it->second); |
---|
| 646 | |
---|
| 647 | this->handleNewClient( it->second.userId ); |
---|
| 648 | |
---|
[9235] | 649 | if ( PlayerStats::getStats( it->second.userId ) && it->second.handshake->getPreferedNickName() != "" ) |
---|
| 650 | { |
---|
| 651 | PlayerStats::getStats( it->second.userId )->setNickName( it->second.handshake->getPreferedNickName() ); |
---|
| 652 | } |
---|
[7954] | 653 | } |
---|
[9494] | 654 | else if ( SharedNetworkData::getInstance()->isProxyServerActive() && it->second.isClient() ) |
---|
[9406] | 655 | { |
---|
[9575] | 656 | PRINTF(4)("Handshake: Proxy in server role: connecting %i\n", it->second.userId); |
---|
[9494] | 657 | |
---|
[9406] | 658 | it->second.ip = it->second.socket->getRemoteAddress(); |
---|
[9246] | 659 | |
---|
[9406] | 660 | this->networkMonitor->addNode(&it->second); |
---|
| 661 | |
---|
[9537] | 662 | // work with the ProxyControl to init the new client |
---|
[9544] | 663 | ProxyControl::getInstance()->signalNewClient( it->second.userId); |
---|
[9406] | 664 | |
---|
[9564] | 665 | #warning dont know if this works: nick name handling |
---|
| 666 | if ( PlayerStats::getStats( it->second.userId ) && it->second.handshake->getPreferedNickName() != "" ) |
---|
| 667 | { |
---|
| 668 | PlayerStats::getStats( it->second.userId )->setNickName( it->second.handshake->getPreferedNickName() ); |
---|
| 669 | } |
---|
[9406] | 670 | } |
---|
| 671 | |
---|
[7954] | 672 | PRINT(0)("handshake finished delete it\n"); |
---|
| 673 | delete it->second.handshake; |
---|
| 674 | it->second.handshake = NULL; |
---|
[6868] | 675 | } |
---|
[6139] | 676 | } |
---|
[7954] | 677 | |
---|
[6139] | 678 | } |
---|
| 679 | else |
---|
| 680 | { |
---|
[7954] | 681 | PRINT(1)("handshake failed!\n"); |
---|
| 682 | it->second.socket->disconnectServer(); |
---|
[6139] | 683 | } |
---|
[7954] | 684 | } |
---|
[6139] | 685 | } |
---|
[5996] | 686 | } |
---|
[7954] | 687 | } |
---|
[5741] | 688 | |
---|
[9246] | 689 | |
---|
[7954] | 690 | /** |
---|
[9406] | 691 | * this functions handles a reconnect event received from the a NET_MASTER_SERVER or NET_PROXY_SERVER |
---|
| 692 | */ |
---|
| 693 | void NetworkStream::handleReconnect(int userId) |
---|
| 694 | { |
---|
[9494] | 695 | this->bRedirect = false; |
---|
[9548] | 696 | #warning this peer will be created if it does not yet exist: dangerous |
---|
[9494] | 697 | PeerInfo* pInfo = &this->peers[userId]; |
---|
| 698 | |
---|
[9406] | 699 | PRINTF(0)("===============================================\n"); |
---|
| 700 | PRINTF(0)("Client is redirected to the other proxy servers\n"); |
---|
[9494] | 701 | PRINTF(0)(" user id: %i\n", userId); |
---|
| 702 | PRINTF(0)(" connecting to: %s\n", this->networkMonitor->getFirstChoiceProxy()->ip.ipString().c_str()); |
---|
[9406] | 703 | PRINTF(0)("===============================================\n"); |
---|
| 704 | |
---|
| 705 | // flush the old synchronization states, since the numbering could be completely different |
---|
| 706 | pInfo->lastAckedState = 0; |
---|
| 707 | pInfo->lastRecvedState = 0; |
---|
| 708 | |
---|
[9494] | 709 | // temp save the ip address here |
---|
| 710 | IP proxyIP = pInfo->handshake->getProxy1Address(); |
---|
| 711 | |
---|
[9406] | 712 | // disconnect from the current server and reconnect to proxy server |
---|
[9494] | 713 | this->handleDisconnect( userId); |
---|
| 714 | this->connectToProxyServer(NET_ID_PROXY_SERVER_01, proxyIP.ipString(), 9999); |
---|
| 715 | #warning the ports are not yet integrated correctly in the ip class |
---|
[9406] | 716 | |
---|
| 717 | // and restart the handshake |
---|
[9494] | 718 | this->startHandshake( userId); |
---|
[9406] | 719 | } |
---|
| 720 | |
---|
| 721 | |
---|
| 722 | /** |
---|
[9494] | 723 | * handles the disconnect event |
---|
| 724 | * @param userId id of the user to remove |
---|
| 725 | */ |
---|
| 726 | void NetworkStream::handleDisconnect( int userId ) |
---|
| 727 | { |
---|
| 728 | peers[userId].socket->disconnectServer(); |
---|
| 729 | delete peers[userId].socket; |
---|
| 730 | peers[userId].socket = NULL; |
---|
| 731 | |
---|
| 732 | if ( peers[userId].handshake ) |
---|
| 733 | delete peers[userId].handshake; |
---|
| 734 | peers[userId].handshake = NULL; |
---|
| 735 | |
---|
| 736 | if ( peers[userId].connectionMonitor ) |
---|
| 737 | delete peers[userId].connectionMonitor; |
---|
| 738 | peers[userId].connectionMonitor = NULL; |
---|
| 739 | |
---|
| 740 | |
---|
| 741 | for ( SynchronizeableList::iterator it2 = synchronizeables.begin(); it2 != synchronizeables.end(); it2++ ) { |
---|
| 742 | (*it2)->cleanUpUser( userId ); |
---|
| 743 | } |
---|
| 744 | |
---|
| 745 | if( SharedNetworkData::getInstance()->isMasterServer()) |
---|
| 746 | NetworkGameManager::getInstance()->signalLeftPlayer(userId); |
---|
| 747 | |
---|
| 748 | this->freeSocketSlots.push_back( userId ); |
---|
| 749 | |
---|
| 750 | peers.erase( userId); |
---|
| 751 | } |
---|
| 752 | |
---|
| 753 | |
---|
| 754 | |
---|
| 755 | /** |
---|
[7954] | 756 | * handle upstream network traffic |
---|
[9494] | 757 | * @param tick: seconds elapsed since last update |
---|
[7954] | 758 | */ |
---|
[8068] | 759 | void NetworkStream::handleUpstream( int tick ) |
---|
[7954] | 760 | { |
---|
| 761 | int offset; |
---|
| 762 | int n; |
---|
[9246] | 763 | |
---|
[8068] | 764 | for ( PeerList::reverse_iterator peer = peers.rbegin(); peer != peers.rend(); peer++ ) |
---|
[5802] | 765 | { |
---|
[9246] | 766 | offset = INTSIZE; // reserve enough space for the packet length |
---|
| 767 | |
---|
| 768 | // continue with the next peer if this peer has no socket assigned (therefore no network) |
---|
[7954] | 769 | if ( !peer->second.socket ) |
---|
| 770 | continue; |
---|
[9246] | 771 | |
---|
| 772 | // header informations: current state |
---|
[7954] | 773 | n = Converter::intToByteArray( currentState, buf + offset, UDP_PACKET_SIZE - offset ); |
---|
| 774 | assert( n == INTSIZE ); |
---|
| 775 | offset += n; |
---|
[9246] | 776 | |
---|
| 777 | // header informations: last acked state |
---|
[7954] | 778 | n = Converter::intToByteArray( peer->second.lastAckedState, buf + offset, UDP_PACKET_SIZE - offset ); |
---|
| 779 | assert( n == INTSIZE ); |
---|
| 780 | offset += n; |
---|
[9246] | 781 | |
---|
| 782 | // header informations: last recved state |
---|
[7954] | 783 | n = Converter::intToByteArray( peer->second.lastRecvedState, buf + offset, UDP_PACKET_SIZE - offset ); |
---|
| 784 | assert( n == INTSIZE ); |
---|
| 785 | offset += n; |
---|
[9246] | 786 | |
---|
| 787 | // now write all synchronizeables in the packet |
---|
[7954] | 788 | for ( SynchronizeableList::iterator it = synchronizeables.begin(); it != synchronizeables.end(); it++ ) |
---|
[5810] | 789 | { |
---|
[9406] | 790 | |
---|
[7954] | 791 | int oldOffset = offset; |
---|
| 792 | Synchronizeable & sync = **it; |
---|
[9246] | 793 | |
---|
[9406] | 794 | |
---|
[9246] | 795 | // do not include synchronizeables with uninit id and syncs that don't want to be synchronized |
---|
[9494] | 796 | if ( !sync.beSynchronized() || sync.getUniqueID() <= NET_UID_UNASSIGNED ) |
---|
[7954] | 797 | continue; |
---|
[5730] | 798 | |
---|
[9246] | 799 | // if handshake not finished only sync handshake |
---|
[7954] | 800 | if ( peer->second.handshake && sync.getLeafClassID() != CL_HANDSHAKE ) |
---|
| 801 | continue; |
---|
[9246] | 802 | |
---|
[9406] | 803 | // if we are a server (both master and proxy servers) and this is not our handshake |
---|
[9494] | 804 | if ( ( SharedNetworkData::getInstance()->isMasterServer() || |
---|
| 805 | SharedNetworkData::getInstance()->isProxyServerActive() && peer->second.isClient()) |
---|
| 806 | && sync.getLeafClassID() == CL_HANDSHAKE && sync.getUniqueID() != peer->second.userId ) |
---|
[7954] | 807 | continue; |
---|
[9246] | 808 | |
---|
| 809 | /* list of synchronizeables that will never be synchronized over the network: */ |
---|
| 810 | // do not sync null parent |
---|
[7954] | 811 | if ( sync.getLeafClassID() == CL_NULL_PARENT ) |
---|
| 812 | continue; |
---|
[6139] | 813 | |
---|
[9406] | 814 | |
---|
| 815 | assert( sync.getLeafClassID() != 0); |
---|
| 816 | |
---|
[7954] | 817 | assert( offset + INTSIZE <= UDP_PACKET_SIZE ); |
---|
[9246] | 818 | |
---|
[9532] | 819 | // server fakes uniqueid == 0 for handshake synchronizeable |
---|
[9494] | 820 | if ( ( SharedNetworkData::getInstance()->isMasterServer() || |
---|
| 821 | SharedNetworkData::getInstance()->isProxyServerActive() && peer->second.isClient() ) && |
---|
[9534] | 822 | ( sync.getUniqueID() >= 1000 || sync.getUniqueID() <= SharedNetworkData::getInstance()->getMaxPlayer() + 1) |
---|
[9533] | 823 | /*<= SharedNetworkData::getInstance()->getMaxPlayer() + 1*/) // plus one to handle one client more than the max to redirect it |
---|
| 824 | n = Converter::intToByteArray( 0, buf + offset, UDP_PACKET_SIZE - offset ); |
---|
[7954] | 825 | else |
---|
| 826 | n = Converter::intToByteArray( sync.getUniqueID(), buf + offset, UDP_PACKET_SIZE - offset ); |
---|
[9246] | 827 | |
---|
[9406] | 828 | |
---|
[7954] | 829 | assert( n == INTSIZE ); |
---|
| 830 | offset += n; |
---|
[9246] | 831 | |
---|
[9406] | 832 | // make space for packet size |
---|
[7954] | 833 | offset += INTSIZE; |
---|
[6139] | 834 | |
---|
[7954] | 835 | n = sync.getStateDiff( peer->second.userId, buf + offset, UDP_PACKET_SIZE-offset, currentState, peer->second.lastAckedState, -1000 ); |
---|
| 836 | offset += n; |
---|
[9246] | 837 | |
---|
[7954] | 838 | assert( Converter::intToByteArray( n, buf + offset - n - INTSIZE, INTSIZE ) == INTSIZE ); |
---|
[6341] | 839 | |
---|
[9246] | 840 | // check if all data bytes == 0 -> remove data and the synchronizeable from the sync process since there is no update |
---|
| 841 | // TODO not all synchronizeables like this maybe add Synchronizeable::canRemoveZeroDiff() |
---|
| 842 | bool allZero = true; |
---|
| 843 | for ( int i = 0; i < n; i++ ) |
---|
| 844 | { |
---|
| 845 | if ( buf[i+oldOffset+2*INTSIZE] != 0 ) |
---|
| 846 | allZero = false; |
---|
| 847 | } |
---|
| 848 | // if there is no new data in this synchronizeable reset the data offset to the last state -> dont synchronizes |
---|
| 849 | // data that hast not changed |
---|
| 850 | if ( allZero ) |
---|
| 851 | { |
---|
| 852 | offset = oldOffset; |
---|
| 853 | } |
---|
| 854 | } // all synchronizeables written |
---|
[6139] | 855 | |
---|
[9246] | 856 | |
---|
| 857 | |
---|
[7954] | 858 | for ( SynchronizeableList::iterator it = synchronizeables.begin(); it != synchronizeables.end(); it++ ) |
---|
| 859 | { |
---|
| 860 | Synchronizeable & sync = **it; |
---|
[9246] | 861 | |
---|
[9494] | 862 | // again exclude all unwanted syncs |
---|
| 863 | if ( !sync.beSynchronized() || sync.getUniqueID() <= NET_UID_UNASSIGNED) |
---|
[7954] | 864 | continue; |
---|
[9246] | 865 | |
---|
[7954] | 866 | sync.handleSentState( peer->second.userId, currentState, peer->second.lastAckedState ); |
---|
| 867 | } |
---|
[9246] | 868 | |
---|
| 869 | |
---|
[7954] | 870 | assert( Converter::intToByteArray( offset, buf, INTSIZE ) == INTSIZE ); |
---|
[9246] | 871 | |
---|
| 872 | // now compress the data with the zip library |
---|
[8623] | 873 | int compLength = 0; |
---|
[9494] | 874 | if ( SharedNetworkData::getInstance()->isMasterServer() || |
---|
| 875 | SharedNetworkData::getInstance()->isProxyServerActive()) |
---|
[8623] | 876 | compLength = Zip::getInstance()->zip( buf, offset, compBuf, UDP_PACKET_SIZE, dictServer ); |
---|
| 877 | else |
---|
| 878 | compLength = Zip::getInstance()->zip( buf, offset, compBuf, UDP_PACKET_SIZE, dictClient ); |
---|
[9246] | 879 | |
---|
[8623] | 880 | if ( compLength <= 0 ) |
---|
[7954] | 881 | { |
---|
| 882 | PRINTF(1)("compression failed!\n"); |
---|
| 883 | continue; |
---|
| 884 | } |
---|
[9246] | 885 | |
---|
[7954] | 886 | assert( peer->second.socket->writePacket( compBuf, compLength ) ); |
---|
[9246] | 887 | |
---|
[7954] | 888 | if ( this->remainingBytesToWriteToDict > 0 ) |
---|
[8623] | 889 | writeToNewDict( buf, offset, true ); |
---|
[9246] | 890 | |
---|
[8068] | 891 | peer->second.connectionMonitor->processUnzippedOutgoingPacket( tick, buf, offset, currentState ); |
---|
| 892 | peer->second.connectionMonitor->processZippedOutgoingPacket( tick, compBuf, compLength, currentState ); |
---|
[9246] | 893 | |
---|
[5810] | 894 | } |
---|
[6139] | 895 | } |
---|
| 896 | |
---|
[7954] | 897 | /** |
---|
| 898 | * handle downstream network traffic |
---|
| 899 | */ |
---|
[8068] | 900 | void NetworkStream::handleDownstream( int tick ) |
---|
[6139] | 901 | { |
---|
[7954] | 902 | int offset = 0; |
---|
[9246] | 903 | |
---|
[7954] | 904 | int length = 0; |
---|
| 905 | int packetLength = 0; |
---|
| 906 | int compLength = 0; |
---|
| 907 | int uniqueId = 0; |
---|
| 908 | int state = 0; |
---|
| 909 | int ackedState = 0; |
---|
| 910 | int fromState = 0; |
---|
| 911 | int syncDataLength = 0; |
---|
[9246] | 912 | |
---|
[7954] | 913 | for ( PeerList::iterator peer = peers.begin(); peer != peers.end(); peer++ ) |
---|
[5810] | 914 | { |
---|
[9246] | 915 | |
---|
[7954] | 916 | if ( !peer->second.socket ) |
---|
| 917 | continue; |
---|
[5730] | 918 | |
---|
[7954] | 919 | while ( 0 < (compLength = peer->second.socket->readPacket( compBuf, UDP_PACKET_SIZE )) ) |
---|
[6139] | 920 | { |
---|
[8068] | 921 | peer->second.connectionMonitor->processZippedIncomingPacket( tick, compBuf, compLength ); |
---|
[9246] | 922 | |
---|
[7954] | 923 | packetLength = Zip::getInstance()->unZip( compBuf, compLength, buf, UDP_PACKET_SIZE ); |
---|
[8623] | 924 | |
---|
[7954] | 925 | if ( packetLength < 4*INTSIZE ) |
---|
| 926 | { |
---|
| 927 | if ( packetLength != 0 ) |
---|
| 928 | PRINTF(1)("got too small packet: %d\n", packetLength); |
---|
| 929 | continue; |
---|
| 930 | } |
---|
[9246] | 931 | |
---|
[7954] | 932 | if ( this->remainingBytesToWriteToDict > 0 ) |
---|
[8623] | 933 | writeToNewDict( buf, packetLength, false ); |
---|
[9246] | 934 | |
---|
[7954] | 935 | assert( Converter::byteArrayToInt( buf, &length ) == INTSIZE ); |
---|
| 936 | assert( Converter::byteArrayToInt( buf + INTSIZE, &state ) == INTSIZE ); |
---|
| 937 | assert( Converter::byteArrayToInt( buf + 2*INTSIZE, &fromState ) == INTSIZE ); |
---|
| 938 | assert( Converter::byteArrayToInt( buf + 3*INTSIZE, &ackedState ) == INTSIZE ); |
---|
| 939 | offset = 4*INTSIZE; |
---|
[9246] | 940 | |
---|
[8623] | 941 | peer->second.connectionMonitor->processUnzippedIncomingPacket( tick, buf, packetLength, state, ackedState ); |
---|
[6139] | 942 | |
---|
[9246] | 943 | |
---|
[9406] | 944 | //if this is an old state drop it |
---|
[7954] | 945 | if ( state <= peer->second.lastRecvedState ) |
---|
| 946 | continue; |
---|
[9246] | 947 | |
---|
[7954] | 948 | if ( packetLength != length ) |
---|
| 949 | { |
---|
| 950 | PRINTF(1)("real packet length (%d) and transmitted packet length (%d) do not match!\n", packetLength, length); |
---|
| 951 | peer->second.socket->disconnectServer(); |
---|
| 952 | continue; |
---|
| 953 | } |
---|
[9246] | 954 | |
---|
[9406] | 955 | while ( offset + 2 * INTSIZE < length ) |
---|
[7954] | 956 | { |
---|
[9532] | 957 | // read the unique id of the sync |
---|
[7954] | 958 | assert( offset > 0 ); |
---|
| 959 | assert( Converter::byteArrayToInt( buf + offset, &uniqueId ) == INTSIZE ); |
---|
| 960 | offset += INTSIZE; |
---|
[9246] | 961 | |
---|
[9532] | 962 | // read the data length |
---|
[7954] | 963 | assert( Converter::byteArrayToInt( buf + offset, &syncDataLength ) == INTSIZE ); |
---|
| 964 | offset += INTSIZE; |
---|
[9246] | 965 | |
---|
[7954] | 966 | assert( syncDataLength > 0 ); |
---|
| 967 | assert( syncDataLength < 10000 ); |
---|
[9246] | 968 | |
---|
[7954] | 969 | Synchronizeable * sync = NULL; |
---|
[9246] | 970 | |
---|
[9406] | 971 | // look for the synchronizeable in question |
---|
[7954] | 972 | for ( SynchronizeableList::iterator it = synchronizeables.begin(); it != synchronizeables.end(); it++ ) |
---|
[9246] | 973 | { |
---|
[9532] | 974 | // client thinks his handshake has a special id: hostId * 1000 (host id of this server) |
---|
| 975 | if ( (*it)->getUniqueID() == uniqueId || |
---|
| 976 | ( uniqueId == 0 && (*it)->getUniqueID() == peer->second.userId ) ) |
---|
[7954] | 977 | { |
---|
| 978 | sync = *it; |
---|
| 979 | break; |
---|
| 980 | } |
---|
| 981 | } |
---|
[9246] | 982 | |
---|
[9406] | 983 | // this synchronizeable does not yet exist! create it |
---|
[7954] | 984 | if ( sync == NULL ) |
---|
| 985 | { |
---|
| 986 | PRINTF(0)("could not find sync with id %d. try to create it\n", uniqueId); |
---|
[9406] | 987 | |
---|
| 988 | // if it is an old synchronizeable already removed, ignore it |
---|
[7954] | 989 | if ( oldSynchronizeables.find( uniqueId ) != oldSynchronizeables.end() ) |
---|
| 990 | { |
---|
| 991 | offset += syncDataLength; |
---|
| 992 | continue; |
---|
| 993 | } |
---|
[9246] | 994 | |
---|
[9494] | 995 | // if the node we got this unknown sync we ignore it if: |
---|
| 996 | // - the remote host is a client |
---|
| 997 | // - the remote host is a proxy server and we are master server |
---|
| 998 | // (since it has no rights to create a new sync) |
---|
| 999 | if ( peers[peer->second.userId].isClient() || |
---|
| 1000 | (peers[peer->second.userId].isProxyServerActive() && SharedNetworkData::getInstance()->isMasterServer())) |
---|
[7954] | 1001 | { |
---|
| 1002 | offset += syncDataLength; |
---|
| 1003 | continue; |
---|
| 1004 | } |
---|
[9246] | 1005 | |
---|
[7954] | 1006 | int leafClassId; |
---|
| 1007 | if ( INTSIZE > length - offset ) |
---|
| 1008 | { |
---|
| 1009 | offset += syncDataLength; |
---|
| 1010 | continue; |
---|
| 1011 | } |
---|
[6139] | 1012 | |
---|
[7954] | 1013 | Converter::byteArrayToInt( buf + offset, &leafClassId ); |
---|
[9246] | 1014 | |
---|
[7954] | 1015 | assert( leafClassId != 0 ); |
---|
[9246] | 1016 | |
---|
[9406] | 1017 | |
---|
[7954] | 1018 | BaseObject * b = NULL; |
---|
| 1019 | /* These are some small exeptions in creation: Not all objects can/should be created via Factory */ |
---|
| 1020 | /* Exception 1: NullParent */ |
---|
| 1021 | if( leafClassId == CL_NULL_PARENT || leafClassId == CL_SYNCHRONIZEABLE || leafClassId == CL_NETWORK_GAME_MANAGER ) |
---|
| 1022 | { |
---|
[9406] | 1023 | PRINTF(1)("Don't create Object with ID %x, ignored!\n", (int)leafClassId); |
---|
[7954] | 1024 | offset += syncDataLength; |
---|
| 1025 | continue; |
---|
| 1026 | } |
---|
| 1027 | else |
---|
| 1028 | b = Factory::fabricate( (ClassID)leafClassId ); |
---|
[5800] | 1029 | |
---|
[7954] | 1030 | if ( !b ) |
---|
| 1031 | { |
---|
| 1032 | PRINTF(1)("Could not fabricate Object with classID %x\n", leafClassId); |
---|
| 1033 | offset += syncDataLength; |
---|
| 1034 | continue; |
---|
| 1035 | } |
---|
[5809] | 1036 | |
---|
[7954] | 1037 | if ( b->isA(CL_SYNCHRONIZEABLE) ) |
---|
| 1038 | { |
---|
| 1039 | sync = dynamic_cast<Synchronizeable*>(b); |
---|
| 1040 | sync->setUniqueID( uniqueId ); |
---|
| 1041 | sync->setSynchronized(true); |
---|
[9246] | 1042 | |
---|
[9406] | 1043 | PRINTF(0)("Fabricated %s with id %d\n", sync->getClassCName(), sync->getUniqueID()); |
---|
[7954] | 1044 | } |
---|
| 1045 | else |
---|
| 1046 | { |
---|
| 1047 | PRINTF(1)("Class with ID %x is not a synchronizeable!\n", (int)leafClassId); |
---|
| 1048 | delete b; |
---|
| 1049 | offset += syncDataLength; |
---|
| 1050 | continue; |
---|
| 1051 | } |
---|
| 1052 | } |
---|
[6139] | 1053 | |
---|
[9246] | 1054 | |
---|
| 1055 | int n = sync->setStateDiff( peer->second.userId, buf+offset, syncDataLength, state, fromState ); |
---|
[7954] | 1056 | offset += n; |
---|
[6498] | 1057 | |
---|
[7954] | 1058 | } |
---|
[9246] | 1059 | |
---|
[7954] | 1060 | if ( offset != length ) |
---|
[6139] | 1061 | { |
---|
[7954] | 1062 | PRINTF(0)("offset (%d) != length (%d)\n", offset, length); |
---|
| 1063 | peer->second.socket->disconnectServer(); |
---|
[6139] | 1064 | } |
---|
[9246] | 1065 | |
---|
| 1066 | |
---|
[7954] | 1067 | for ( SynchronizeableList::iterator it = synchronizeables.begin(); it != synchronizeables.end(); it++ ) |
---|
[6139] | 1068 | { |
---|
[7954] | 1069 | Synchronizeable & sync = **it; |
---|
[9246] | 1070 | |
---|
[9494] | 1071 | if ( !sync.beSynchronized() || sync.getUniqueID() <= NET_UID_UNASSIGNED ) |
---|
[7954] | 1072 | continue; |
---|
[9246] | 1073 | |
---|
[7954] | 1074 | sync.handleRecvState( peer->second.userId, state, fromState ); |
---|
[6139] | 1075 | } |
---|
[9246] | 1076 | |
---|
[7954] | 1077 | assert( peer->second.lastAckedState <= ackedState ); |
---|
| 1078 | peer->second.lastAckedState = ackedState; |
---|
[9246] | 1079 | |
---|
[7954] | 1080 | assert( peer->second.lastRecvedState < state ); |
---|
| 1081 | peer->second.lastRecvedState = state; |
---|
[8228] | 1082 | |
---|
[6139] | 1083 | } |
---|
[9246] | 1084 | |
---|
[6139] | 1085 | } |
---|
[9246] | 1086 | |
---|
[7954] | 1087 | } |
---|
[6139] | 1088 | |
---|
[7954] | 1089 | /** |
---|
| 1090 | * is executed when a handshake has finished |
---|
| 1091 | */ |
---|
| 1092 | void NetworkStream::handleNewClient( int userId ) |
---|
| 1093 | { |
---|
[9406] | 1094 | // init and assign the message manager |
---|
[7954] | 1095 | MessageManager::getInstance()->initUser( userId ); |
---|
[9406] | 1096 | // do all game relevant stuff here |
---|
[7954] | 1097 | networkGameManager->signalNewPlayer( userId ); |
---|
[5604] | 1098 | } |
---|
[6139] | 1099 | |
---|
[9406] | 1100 | |
---|
[7954] | 1101 | /** |
---|
| 1102 | * removes old items from oldSynchronizeables |
---|
| 1103 | */ |
---|
| 1104 | void NetworkStream::cleanUpOldSyncList( ) |
---|
[6139] | 1105 | { |
---|
[7954] | 1106 | int now = SDL_GetTicks(); |
---|
[9246] | 1107 | |
---|
[7954] | 1108 | for ( std::map<int,int>::iterator it = oldSynchronizeables.begin(); it != oldSynchronizeables.end(); ) |
---|
[6139] | 1109 | { |
---|
[7954] | 1110 | if ( it->second < now - 10*1000 ) |
---|
| 1111 | { |
---|
| 1112 | std::map<int,int>::iterator delIt = it; |
---|
| 1113 | it++; |
---|
| 1114 | oldSynchronizeables.erase( delIt ); |
---|
| 1115 | continue; |
---|
| 1116 | } |
---|
| 1117 | it++; |
---|
[6139] | 1118 | } |
---|
[7954] | 1119 | } |
---|
| 1120 | |
---|
| 1121 | /** |
---|
| 1122 | * writes data to DATA/dicts/newdict |
---|
| 1123 | * @param data pointer to data |
---|
| 1124 | * @param length length |
---|
| 1125 | */ |
---|
[8623] | 1126 | void NetworkStream::writeToNewDict( byte * data, int length, bool upstream ) |
---|
[7954] | 1127 | { |
---|
| 1128 | if ( remainingBytesToWriteToDict <= 0 ) |
---|
| 1129 | return; |
---|
[9246] | 1130 | |
---|
[7954] | 1131 | if ( length > remainingBytesToWriteToDict ) |
---|
| 1132 | length = remainingBytesToWriteToDict; |
---|
[9246] | 1133 | |
---|
[7954] | 1134 | std::string fileName = ResourceManager::getInstance()->getDataDir(); |
---|
| 1135 | fileName += "/dicts/newdict"; |
---|
[9246] | 1136 | |
---|
[8623] | 1137 | if ( upstream ) |
---|
| 1138 | fileName += "_upstream"; |
---|
| 1139 | else |
---|
| 1140 | fileName += "_downstream"; |
---|
[9246] | 1141 | |
---|
[7954] | 1142 | FILE * f = fopen( fileName.c_str(), "a" ); |
---|
[9246] | 1143 | |
---|
[7954] | 1144 | if ( !f ) |
---|
[6139] | 1145 | { |
---|
[7954] | 1146 | PRINTF(2)("could not open %s\n", fileName.c_str()); |
---|
| 1147 | remainingBytesToWriteToDict = 0; |
---|
[6139] | 1148 | return; |
---|
| 1149 | } |
---|
[9246] | 1150 | |
---|
[7954] | 1151 | if ( fwrite( data, 1, length, f ) != length ) |
---|
[6341] | 1152 | { |
---|
[7954] | 1153 | PRINTF(2)("could not write to file\n"); |
---|
| 1154 | fclose( f ); |
---|
[6341] | 1155 | return; |
---|
| 1156 | } |
---|
[9246] | 1157 | |
---|
[7954] | 1158 | fclose( f ); |
---|
[9246] | 1159 | |
---|
| 1160 | remainingBytesToWriteToDict -= length; |
---|
[6139] | 1161 | } |
---|
| 1162 | |
---|
| 1163 | |
---|
[6695] | 1164 | |
---|
| 1165 | |
---|
| 1166 | |
---|
| 1167 | |
---|