[5523] | 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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[5547] | 11 | |
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[5523] | 12 | ### File Specific: |
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[9406] | 13 | main-programmer: Christoph Renner (rennerc@ee.ethz.ch) |
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| 14 | co-programmer: Patrick Boenzli (patrick@orxonox.ethz.ch) |
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[5547] | 15 | */ |
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[5523] | 16 | |
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[6139] | 17 | #define DEBUG_MODULE_NETWORK |
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| 18 | |
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[6695] | 19 | #include "shared_network_data.h" |
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| 20 | #include "network_stream.h" |
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[5547] | 21 | #include "netdefs.h" |
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[7954] | 22 | #include "network_log.h" |
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[8068] | 23 | #include "network_game_manager.h" |
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[5529] | 24 | |
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[6695] | 25 | #include "state.h" |
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[5996] | 26 | |
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[6753] | 27 | #include <cassert> |
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[6695] | 28 | |
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| 29 | #include "synchronizeable.h" |
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| 30 | |
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[9406] | 31 | #include "converter.h" |
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[6695] | 32 | |
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| 33 | |
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[9406] | 34 | |
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[5547] | 35 | /** |
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[5807] | 36 | * default constructor |
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[5547] | 37 | */ |
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[5996] | 38 | Synchronizeable::Synchronizeable() |
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[5997] | 39 | { |
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[6341] | 40 | this->setClassID(CL_SYNCHRONIZEABLE, "Synchronizeable"); |
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[8068] | 41 | this->owner = 0; |
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[9406] | 42 | // this->setIsServer(SharedNetworkData::getInstance()->getHostID() == 0); |
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[6695] | 43 | this->uniqueID = NET_UID_UNASSIGNED; |
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[6145] | 44 | this->networkStream = NULL; |
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[6695] | 45 | this->bSynchronize = false; |
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[9406] | 46 | |
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[6695] | 47 | if( State::isOnline()) |
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| 48 | { |
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| 49 | NetworkStream* nd = SharedNetworkData::getInstance()->getDefaultSyncStream(); |
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| 50 | assert(nd != NULL); |
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| 51 | nd->connectSynchronizeable(*this); |
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| 52 | this->setUniqueID(SharedNetworkData::getInstance()->getNewUniqueID()); |
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| 53 | } |
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[7954] | 54 | |
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| 55 | /* make sure loadClassId is first synced var because this is read by networkStream */ |
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| 56 | assert( syncVarList.size() == 0 ); |
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[9625] | 57 | mLeafClassId = this->registerVarId( new SynchronizeableInt( (int*)&this->getLeafClassID(), (int*)&this->getLeafClassID(), "leafClassId", PERMISSION_MASTER_SERVER) ); |
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[9406] | 58 | |
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[9625] | 59 | this->registerVar( new SynchronizeableInt( &this->owner, &this->owner, "owner", PERMISSION_MASTER_SERVER ) ); |
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| 60 | this->registerVar( new SynchronizeableString( &this->objectName, &this->objectName, "objectName", PERMISSION_MASTER_SERVER ) ); |
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[5997] | 61 | } |
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| 62 | |
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[5523] | 63 | |
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[5996] | 64 | |
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[5547] | 65 | /** |
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[5807] | 66 | * default destructor deletes all unneded stuff |
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[5547] | 67 | */ |
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| 68 | Synchronizeable::~Synchronizeable() |
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[6139] | 69 | { |
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| 70 | if ( this->networkStream ) |
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[9110] | 71 | { |
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[6139] | 72 | this->networkStream->disconnectSynchronizeable(*this); |
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[9406] | 73 | |
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[9494] | 74 | // remove the message manager only by the server |
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| 75 | if ( (SharedNetworkData::getInstance()->isMasterServer() ) |
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[9406] | 76 | && this->beSynchronized() && this->getUniqueID() > 0 && !this->isA( CL_MESSAGE_MANAGER ) ) |
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[9110] | 77 | NetworkGameManager::getInstance()->removeSynchronizeable( this->getUniqueID() ); |
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| 78 | } |
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[9406] | 79 | |
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[8623] | 80 | for ( SyncVarList::iterator it = syncVarList.begin(); it != syncVarList.end(); it++ ) |
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| 81 | { |
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| 82 | delete *it; |
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| 83 | } |
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| 84 | syncVarList.clear(); |
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[9406] | 85 | |
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[8623] | 86 | for ( UserStateHistory::iterator it = recvStates.begin(); it != recvStates.end(); it++ ) |
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| 87 | { |
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| 88 | for ( StateHistory::iterator it2 = it->begin(); it2 != it->end(); it2++ ) |
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| 89 | { |
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| 90 | if ( (*it2)->data ) |
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| 91 | { |
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| 92 | delete [] (*it2)->data; |
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| 93 | (*it2)->data = NULL; |
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| 94 | } |
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| 95 | delete *it2; |
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| 96 | } |
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| 97 | |
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| 98 | } |
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[9406] | 99 | |
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[8623] | 100 | for ( UserStateHistory::iterator it = sentStates.begin(); it != sentStates.end(); it++ ) |
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| 101 | { |
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| 102 | for ( StateHistory::iterator it2 = it->begin(); it2 != it->end(); it2++ ) |
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| 103 | { |
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| 104 | if ( (*it2)->data ) |
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| 105 | { |
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| 106 | delete [] (*it2)->data; |
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| 107 | (*it2)->data = NULL; |
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| 108 | } |
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| 109 | delete *it2; |
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| 110 | } |
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| 111 | } |
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[6139] | 112 | } |
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[5523] | 113 | |
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| 114 | |
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[6695] | 115 | |
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[5547] | 116 | /** |
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[9406] | 117 | * creates a diff image from two states |
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| 118 | * @param userId: the userid of the user where the image will be sent to |
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| 119 | * @param data: the binary data array to write to |
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| 120 | * @param maxLength: maximal length of the data written (length of available space in the array) |
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| 121 | * @param stateId: the state id that this diff will represent |
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| 122 | * @param priorityTH: the priority threshold: all syncs below this threshold won't be synchronized |
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| 123 | * |
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| 124 | * @todo check for permissions |
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[5547] | 125 | */ |
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[7954] | 126 | int Synchronizeable::getStateDiff( int userId, byte* data, int maxLength, int stateId, int fromStateId, int priorityTH ) |
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| 127 | { |
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| 128 | //make sure this user has his history |
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[9625] | 129 | if ( (int)sentStates.size() <= userId ) |
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[7954] | 130 | sentStates.resize( userId+1 ); |
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[5547] | 131 | |
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[7954] | 132 | //calculate needed memory |
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| 133 | int neededSize = 0; |
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[5997] | 134 | |
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[7954] | 135 | for ( SyncVarList::iterator it = syncVarList.begin(); it != syncVarList.end(); it++ ) |
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[8147] | 136 | { |
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| 137 | //PRINTF(0)("SIZE = %d %s\n", (*it)->getSize(), (*it)->getName().c_str()); |
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[7954] | 138 | neededSize += (*it)->getSize(); |
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[8147] | 139 | } |
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[5997] | 140 | |
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[7954] | 141 | if ( !( neededSize <= maxLength ) ) |
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| 142 | { |
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| 143 | PRINTF(0)( "%d > %d\n", neededSize, maxLength ); |
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| 144 | assert(false); |
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| 145 | } |
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| 146 | |
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| 147 | //remove older states from history than fromStateId |
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| 148 | StateHistory::iterator it = sentStates[userId].begin(); |
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| 149 | |
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| 150 | while ( it != sentStates[userId].end() && (*it)->stateId < fromStateId ) |
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| 151 | it++; |
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| 152 | |
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| 153 | if ( it != sentStates[userId].begin() ) |
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| 154 | { |
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| 155 | for ( StateHistory::iterator it2 = sentStates[userId].begin(); it2 != it; it2++ ) |
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| 156 | { |
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| 157 | if ( (*it2)->data != NULL ) |
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| 158 | { |
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| 159 | delete [] (*it2)->data; |
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| 160 | (*it2)->data = NULL; |
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| 161 | } |
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[9406] | 162 | |
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[8623] | 163 | delete *it2; |
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[7954] | 164 | } |
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| 165 | sentStates[userId].erase( sentStates[userId].begin(), it ); |
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| 166 | } |
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| 167 | |
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| 168 | //find state to create diff from |
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| 169 | StateHistoryEntry * stateFrom = NULL; |
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| 170 | |
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| 171 | it = sentStates[userId].begin(); |
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| 172 | while ( it != sentStates[userId].end() && (*it)->stateId != fromStateId ) |
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| 173 | it++; |
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| 174 | |
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| 175 | if ( it == sentStates[userId].end() ) |
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| 176 | { |
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| 177 | StateHistoryEntry * initialEntry = new StateHistoryEntry(); |
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| 178 | |
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| 179 | initialEntry->stateId = fromStateId; |
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| 180 | initialEntry->dataLength = 0; |
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| 181 | initialEntry->data = NULL; |
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| 182 | |
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| 183 | stateFrom = initialEntry; |
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[9406] | 184 | |
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[8623] | 185 | sentStates[userId].push_back( stateFrom ); |
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[7954] | 186 | } |
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| 187 | else |
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| 188 | stateFrom = (*it); |
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| 189 | |
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[8623] | 190 | StateHistoryEntry * stateTo = new StateHistoryEntry; |
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[7954] | 191 | |
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[8623] | 192 | sentStates[userId].push_back( stateTo ); |
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[9406] | 193 | |
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[7954] | 194 | stateTo->stateId = stateId; |
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| 195 | stateTo->dataLength = neededSize; |
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| 196 | stateTo->data = new byte[ neededSize ]; |
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| 197 | |
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| 198 | std::list<int>::iterator sizeIter = stateFrom->sizeList.begin(); |
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| 199 | |
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| 200 | int i = 0; |
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| 201 | int n; |
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[9406] | 202 | |
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| 203 | bool hasPermission = false; |
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[8623] | 204 | bool sizeChanged = false; |
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[7954] | 205 | |
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| 206 | // now do the actual synchronization: kick all variables to write into a common buffer |
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| 207 | for ( SyncVarList::iterator it = syncVarList.begin(); it != syncVarList.end(); it++ ) |
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| 208 | { |
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[9625] | 209 | |
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[9406] | 210 | // DATA PERMISSIONS |
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| 211 | // check if this synchronizeable has the permissions to write the data |
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| 212 | |
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[9625] | 213 | #if 0 |
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[9591] | 214 | // MASTER_SERVER |====> * |
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[9406] | 215 | if( SharedNetworkData::getInstance()->isMasterServer() && (*it)->checkPermission( PERMISSION_MASTER_SERVER )) |
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| 216 | hasPermission = true; |
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[9606] | 217 | else if( SharedNetworkData::getInstance()->isMasterServer() && this->networkStream->isUserLocal(userId) && |
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| 218 | this->owner != userId && (*it)->checkPermission( PERMISSION_OWNER )) |
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[9591] | 219 | hasPermission = true; |
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[9592] | 220 | |
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[9591] | 221 | // PROXY_SERVER |====> * |
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[9494] | 222 | else if( SharedNetworkData::getInstance()->isProxyServerActive() && (*it)->checkPermission( PERMISSION_PROXY_SERVER )) |
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[9406] | 223 | hasPermission = true; |
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[9606] | 224 | else if( SharedNetworkData::getInstance()->isProxyServerActive() && this->networkStream->isUserLocal(userId) && |
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| 225 | this->owner != userId && (*it)->checkPermission( PERMISSION_OWNER )) |
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[9591] | 226 | hasPermission = true; |
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[9592] | 227 | // PROXY_SERVER |====> MASTER_SERVER |
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| 228 | else if( SharedNetworkData::getInstance()->isProxyServerActive() && this->networkStream->isUserMasterServer(userId) |
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| 229 | && this->networkStream->isUserLocal(userId) && (*it)->checkPermission( PERMISSION_MASTER_SERVER)) |
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[9406] | 230 | hasPermission = true; |
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[9592] | 231 | // PROXY_SERVER |====> CLIENT |
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| 232 | else if( SharedNetworkData::getInstance()->isProxyServerActive() && this->networkStream->isUserClient(userId) |
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| 233 | && this->owner != userId && (*it)->checkPermission( PERMISSION_OWNER ) ) |
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[9406] | 234 | hasPermission = true; |
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[9494] | 235 | else if( SharedNetworkData::getInstance()->isProxyServerActive() && this->networkStream->isUserClient(userId) |
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[9581] | 236 | && (*it)->checkPermission( PERMISSION_MASTER_SERVER) ) |
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| 237 | hasPermission = true; |
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[9592] | 238 | |
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| 239 | // OWNER |====> * |
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| 240 | else if( this->owner == SharedNetworkData::getInstance()->getHostID() && (*it)->checkPermission( PERMISSION_OWNER )) |
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[9588] | 241 | hasPermission = true; |
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[9592] | 242 | |
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| 243 | // ALL |====> * |
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| 244 | else if( (*it)->checkPermission( PERMISSION_ALL )) |
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[9406] | 245 | hasPermission = true; |
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[9592] | 246 | |
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[9406] | 247 | else |
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| 248 | hasPermission = false; |
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[9625] | 249 | #endif |
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[9406] | 250 | |
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[9625] | 251 | //////////////////////////////// |
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| 252 | // Data SENDING Permissions |
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| 253 | //////////////////////////////// |
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[9406] | 254 | |
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[9625] | 255 | // Permission OWNER accept if: |
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| 256 | // I am the owner |
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| 257 | if( (*it)->checkPermission( PERMISSION_OWNER ) && this->owner == SharedNetworkData::getInstance()->getHostID()) |
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| 258 | hasPermission = true; |
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| 259 | // reciever != owner && owner is local |
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| 260 | else if( (*it)->checkPermission( PERMISSION_OWNER ) && userId != this->owner && |
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| 261 | (SharedNetworkData::getInstance()->isUserLocal(this->owner) || this->owner == SharedNetworkData::getInstance()->getHostID())) |
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| 262 | hasPermission = true; |
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| 263 | |
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| 264 | |
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| 265 | // Permission MASTER_SERVER accept if: |
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| 266 | // im MASTER_SERVER |
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| 267 | else if( (*it)->checkPermission( PERMISSION_MASTER_SERVER ) && SharedNetworkData::getInstance()->isMasterServer()) |
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| 268 | hasPermission = true; |
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| 269 | // im PROXY_SERVER && reciever == CLIENT |
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| 270 | else if( (*it)->checkPermission( PERMISSION_MASTER_SERVER ) && SharedNetworkData::getInstance()->isProxyServerActive() && |
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| 271 | SharedNetworkData::getInstance()->isUserClient( userId)) |
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| 272 | hasPermission = true; |
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| 273 | |
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| 274 | |
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| 275 | // Pemission SERVER accept if: |
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| 276 | // i am server && reciever == CLIENT |
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| 277 | else if( (*it)->checkPermission( PERMISSION_SERVER ) && !SharedNetworkData::getInstance()->isClient() && |
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| 278 | SharedNetworkData::getInstance()->isUserClient( userId)) |
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| 279 | hasPermission = true; |
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| 280 | // i am SERVER && reciever == SERVER && reciever != owner && ( owner is local || i am owner) |
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| 281 | else if( (*it)->checkPermission( PERMISSION_SERVER ) && !SharedNetworkData::getInstance()->isClient() && |
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| 282 | userId != this->owner && |
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| 283 | ( SharedNetworkData::getInstance()->isUserLocal( userId) || this->owner == SharedNetworkData::getInstance()->getHostID())) |
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| 284 | hasPermission = true; |
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| 285 | |
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| 286 | |
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| 287 | // Permission ALL accept if: |
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| 288 | else if( (*it)->checkPermission( PERMISSION_ALL )) |
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| 289 | hasPermission = true; |
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| 290 | |
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| 291 | |
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| 292 | // or else refuse sending data |
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| 293 | else |
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| 294 | hasPermission = false; |
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| 295 | |
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| 296 | |
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[9626] | 297 | |
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| 298 | |
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[9406] | 299 | if ( sizeIter == stateFrom->sizeList.end() || *sizeIter != (*it)->getSize() ) |
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[8623] | 300 | sizeChanged = true; |
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[9406] | 301 | |
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[8623] | 302 | if ( ( hasPermission && (*it)->getPriority() >= priorityTH ) || sizeChanged ) |
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[7954] | 303 | { |
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| 304 | n = (*it)->writeToBuf( stateTo->data+i, stateTo->dataLength - i ); |
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[9579] | 305 | //NETPRINTF(0)("getvar %s %d\n", (*it)->getName().c_str(), n); |
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[9626] | 306 | // PRINTF(0)("sending %s %d\n", (*it)->getName().c_str(), n); |
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[7954] | 307 | stateTo->sizeList.push_back( n ); |
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[9406] | 308 | // this is only for very hardcore debug sessions |
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| 309 | // (*it)->debug(); |
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[7954] | 310 | i += n; |
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| 311 | } |
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| 312 | else |
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| 313 | { |
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| 314 | for ( int j = 0; j<(*sizeIter); j++ ) |
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| 315 | { |
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| 316 | assert( i < stateFrom->dataLength ); |
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| 317 | stateTo->data[i] = stateFrom->data[i]; |
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| 318 | i++; |
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| 319 | } |
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| 320 | //NETPRINTF(0)("getvar %s %d\n", (*it)->getName().c_str(), *sizeIter); |
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| 321 | stateTo->sizeList.push_back( (*sizeIter) ); |
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| 322 | } |
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| 323 | |
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| 324 | if ( sizeIter != stateFrom->sizeList.end() ) |
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| 325 | sizeIter++; |
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| 326 | } |
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| 327 | |
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[8147] | 328 | if ( i != neededSize ) |
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| 329 | { |
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[9406] | 330 | PRINTF(0)("strange error: (%s) %d != %d\n", this->getClassCName(), i, neededSize); |
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[8147] | 331 | assert(false); |
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| 332 | } |
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[7954] | 333 | |
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| 334 | //write diff to data |
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| 335 | for ( i = 0; i<neededSize; i++ ) |
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| 336 | { |
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| 337 | if ( i < stateFrom->dataLength ) |
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| 338 | data[i] = stateTo->data[i] - stateFrom->data[i]; |
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| 339 | else |
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| 340 | data[i] = stateTo->data[i]; |
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| 341 | } |
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| 342 | |
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| 343 | return neededSize; |
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| 344 | } |
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| 345 | |
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[5997] | 346 | /** |
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[9626] | 347 | * sets a new state out of a diff created on another host (recieving data) |
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[7954] | 348 | * @param userId hostId of user who send me that diff |
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| 349 | * @param data pointer to diff |
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| 350 | * @param length length of diff |
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| 351 | * @param stateId id of current state |
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| 352 | * @param fromStateId id of the base state id |
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| 353 | * @return number bytes read |
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[9406] | 354 | * |
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[7954] | 355 | * @todo check for permissions |
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[5997] | 356 | */ |
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[7954] | 357 | int Synchronizeable::setStateDiff( int userId, byte* data, int length, int stateId, int fromStateId ) |
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[5997] | 358 | { |
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[7954] | 359 | //make sure this user has his history |
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[9625] | 360 | if ( (int)recvStates.size() <= userId ) |
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[7954] | 361 | recvStates.resize( userId+1 ); |
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| 362 | |
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| 363 | //create new state |
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| 364 | StateHistoryEntry * stateTo = new StateHistoryEntry(); |
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| 365 | stateTo->stateId = stateId; |
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| 366 | stateTo->dataLength = length; |
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| 367 | stateTo->data = new byte[ length ]; |
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| 368 | |
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| 369 | |
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| 370 | //find state to apply diff to |
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| 371 | StateHistoryEntry * stateFrom = NULL; |
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| 372 | |
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[9406] | 373 | // search the state from wich the diff is made of |
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[7954] | 374 | StateHistory::iterator it = recvStates[userId].begin(); |
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| 375 | while ( it != recvStates[userId].end() && (*it)->stateId != fromStateId ) |
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| 376 | it++; |
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| 377 | |
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[9406] | 378 | // if this is the first state to receive |
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[7954] | 379 | if ( it == recvStates[userId].end() ) |
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| 380 | { |
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| 381 | StateHistoryEntry * initialEntry = new StateHistoryEntry(); |
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| 382 | |
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| 383 | initialEntry->stateId = fromStateId; |
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| 384 | initialEntry->dataLength = 0; |
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| 385 | initialEntry->data = NULL; |
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| 386 | |
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| 387 | stateFrom = initialEntry; |
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[9406] | 388 | |
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[8623] | 389 | recvStates[userId].push_back( stateFrom ); |
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[7954] | 390 | } |
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[5997] | 391 | else |
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[7954] | 392 | stateFrom = (*it); |
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[9406] | 393 | |
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| 394 | |
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| 395 | // apply diff |
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[7954] | 396 | for ( int i = 0; i<length; i++ ) |
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| 397 | { |
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| 398 | if ( i < stateFrom->dataLength ) |
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| 399 | stateTo->data[i] = stateFrom->data[i] + data[i]; |
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| 400 | else |
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| 401 | stateTo->data[i] = data[i]; |
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| 402 | } |
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[9406] | 403 | |
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[7954] | 404 | //add state to state history |
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| 405 | recvStates[userId].push_back( stateTo ); |
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[9406] | 406 | |
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[7954] | 407 | int i = 0; |
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| 408 | int n = 0; |
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| 409 | std::list<int> changes; |
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[9406] | 410 | bool hasPermission = false; |
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| 411 | |
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| 412 | // extract the new state for every client |
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[7954] | 413 | for ( SyncVarList::iterator it = syncVarList.begin(); it != syncVarList.end(); it++ ) |
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| 414 | { |
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[9406] | 415 | // DATA PERMISSIONS |
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| 416 | // check if this synchronizeable has the permissions to write the data |
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| 417 | |
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[9592] | 418 | |
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[9625] | 419 | //////////////////////////////// |
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| 420 | // Data RECIEVING Permissions |
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| 421 | //////////////////////////////// |
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| 422 | |
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| 423 | // i should never ever receive a state update from a synchronizeable, that belongs to me! If it does somethings wrong with the send rules |
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| 424 | // assert( !((*it)->checkPermission( PERMISSION_OWNER ) && this->owner == SharedNetworkData::getInstance()->getHostID())); |
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| 425 | |
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| 426 | |
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| 427 | // Permission OWNER accept if: |
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| 428 | // sender == owner |
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| 429 | if( (*it)->checkPermission( PERMISSION_OWNER ) && this->owner == userId) |
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[9406] | 430 | hasPermission = true; |
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[9625] | 431 | // sender == MASTER_SERVER |
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| 432 | else if( (*it)->checkPermission( PERMISSION_OWNER ) && SharedNetworkData::getInstance()->isUserMasterServer( userId)) |
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[9592] | 433 | hasPermission = true; |
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[9625] | 434 | // sender == PROXY_SERVER |
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| 435 | else if( (*it)->checkPermission( PERMISSION_OWNER ) && SharedNetworkData::getInstance()->isUserProxyServerActive( userId)) |
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| 436 | hasPermission = true; |
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[9592] | 437 | |
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[9625] | 438 | // Permission MASTER_SERVER accept if: |
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| 439 | // sender == MASTER_SERVER |
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| 440 | else if( (*it)->checkPermission( PERMISSION_MASTER_SERVER) && SharedNetworkData::getInstance()->isUserMasterServer( userId)) |
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[9592] | 441 | hasPermission = true; |
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[9625] | 442 | // sender == PROXY_SERVER && im not MASTER_SERVER && im not PROXY_SERVER |
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| 443 | else if( (*it)->checkPermission( PERMISSION_MASTER_SERVER) && SharedNetworkData::getInstance()->isClient() && |
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| 444 | SharedNetworkData::getInstance()->isUserProxyServerActive( userId)) |
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[9594] | 445 | hasPermission = true; |
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[9592] | 446 | |
---|
[9625] | 447 | // Permission SERVER accept if: |
---|
| 448 | // sender == SERVER |
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| 449 | else if( (*it)->checkPermission( PERMISSION_SERVER ) && !SharedNetworkData::getInstance()->isUserClient( userId) ) |
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[9406] | 450 | hasPermission = true; |
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[9592] | 451 | |
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[9625] | 452 | // Pemission ALL accept if: |
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| 453 | else if( (*it)->checkPermission( PERMISSION_ALL )) |
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[9406] | 454 | hasPermission = true; |
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[9592] | 455 | |
---|
[9625] | 456 | // no rights to over-write local data |
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[9406] | 457 | else |
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| 458 | hasPermission = false; |
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| 459 | |
---|
| 460 | |
---|
| 461 | |
---|
| 462 | // if it has the permission to write do it |
---|
| 463 | if( hasPermission) |
---|
[7954] | 464 | { |
---|
| 465 | n = (*it)->readFromBuf( stateTo->data + i, stateTo->dataLength - i ); |
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| 466 | i += n; |
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[9406] | 467 | //NETPRINTF(0)("%s::setvar %s %d\n", getClassCName(), (*it)->getName().c_str(), n); |
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[9626] | 468 | // PRINTF(0)("recieving: %s %d\n", (*it)->getName().c_str(), n); |
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[7954] | 469 | //(*it)->debug(); |
---|
| 470 | if ( (*it)->getHasChanged() ) |
---|
| 471 | { |
---|
| 472 | changes.push_back( (*it)->getVarId() ); |
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| 473 | } |
---|
| 474 | } |
---|
| 475 | else |
---|
| 476 | { |
---|
[9494] | 477 | // PRINTF(0)("DONT SET VAR BECAUSE OF PERMISSION: %s perm: %d %d %d - %d %d %d\n", (*it)->getName().c_str(), (*it)->checkPermission( PERMISSION_MASTER_SERVER ), (*it)->checkPermission( PERMISSION_OWNER ), (*it)->checkPermission( PERMISSION_ALL ), networkStream->isUserMasterServer( userId ), this->owner, userId ); |
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[7954] | 478 | n = (*it)->getSizeFromBuf( stateTo->data + i, stateTo->dataLength - i ); |
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[9406] | 479 | //NETPRINTF(0)("%s::setvar %s %d\n", getClassCName(), (*it)->getName().c_str(), n); |
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[7954] | 480 | //(*it)->debug(); |
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| 481 | i += n; |
---|
| 482 | } |
---|
| 483 | } |
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| 484 | |
---|
| 485 | this->varChangeHandler( changes ); |
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[9406] | 486 | |
---|
[7954] | 487 | return i; |
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[5997] | 488 | } |
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| 489 | |
---|
[7954] | 490 | /** |
---|
| 491 | * override this function to be notified on change |
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| 492 | * of your registred variables. |
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| 493 | * @param id id's which have changed |
---|
| 494 | */ |
---|
| 495 | void Synchronizeable::varChangeHandler( std::list<int> & id ) |
---|
| 496 | { |
---|
| 497 | } |
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[6695] | 498 | |
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[5997] | 499 | /** |
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[7954] | 500 | * registers a varable to be synchronized over network |
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| 501 | * @param var see src/lib/network/synchronizeable_var/ for available classes |
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[5997] | 502 | */ |
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[7954] | 503 | void Synchronizeable::registerVar( SynchronizeableVar * var ) |
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[5997] | 504 | { |
---|
[7954] | 505 | syncVarList.push_back( var ); |
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[5997] | 506 | } |
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| 507 | |
---|
| 508 | /** |
---|
[7954] | 509 | * registers a varable to be synchronized over network |
---|
| 510 | * return value is passed to varChangeHandler on change |
---|
| 511 | * @param var see src/lib/network/synchronizeable_var/ for available classes |
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| 512 | * @return handle passed to varChangeHandler on changes |
---|
[5997] | 513 | */ |
---|
[7954] | 514 | int Synchronizeable::registerVarId( SynchronizeableVar * var ) |
---|
[5997] | 515 | { |
---|
[7954] | 516 | syncVarList.push_back( var ); |
---|
| 517 | var->setWatched( true ); |
---|
| 518 | var->setVarId( syncVarList.size()-1 ); |
---|
| 519 | return syncVarList.size()-1; |
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[5997] | 520 | } |
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| 521 | |
---|
| 522 | /** |
---|
[7954] | 523 | * removed user's states from memory |
---|
| 524 | * @param userId user to clean |
---|
[5997] | 525 | */ |
---|
[7954] | 526 | void Synchronizeable::cleanUpUser( int userId ) |
---|
[5997] | 527 | { |
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[9625] | 528 | if ( (int)recvStates.size() > userId ) |
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[7954] | 529 | { |
---|
[8228] | 530 | for ( std::list<StateHistoryEntry*>::iterator it = recvStates[userId].begin(); it != recvStates[userId].end(); it++ ) |
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[7954] | 531 | { |
---|
[8228] | 532 | if ( (*it)->data ) |
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[8623] | 533 | { |
---|
[8228] | 534 | delete [] (*it)->data; |
---|
[8623] | 535 | (*it)->data = NULL; |
---|
| 536 | } |
---|
[9406] | 537 | |
---|
[8228] | 538 | delete *it; |
---|
[7954] | 539 | } |
---|
[8228] | 540 | recvStates[userId].clear(); |
---|
[7954] | 541 | } |
---|
[9406] | 542 | |
---|
[9625] | 543 | if ( (int)sentStates.size() > userId ) |
---|
[7954] | 544 | { |
---|
[9406] | 545 | |
---|
[8228] | 546 | for ( std::list<StateHistoryEntry*>::iterator it = sentStates[userId].begin(); it != sentStates[userId].end(); it++ ) |
---|
[7954] | 547 | { |
---|
[8228] | 548 | if ( (*it)->data ) |
---|
[8623] | 549 | { |
---|
[8228] | 550 | delete [] (*it)->data; |
---|
[8623] | 551 | (*it)->data = NULL; |
---|
| 552 | } |
---|
[9406] | 553 | |
---|
[8228] | 554 | delete *it; |
---|
[7954] | 555 | } |
---|
[8228] | 556 | sentStates[userId].clear(); |
---|
[7954] | 557 | } |
---|
[5997] | 558 | } |
---|
[6139] | 559 | |
---|
[6341] | 560 | /** |
---|
[7954] | 561 | * this function is called after recieving a state. |
---|
[9406] | 562 | * @param userId |
---|
| 563 | * @param stateId |
---|
| 564 | * @param fromStateId |
---|
[6341] | 565 | */ |
---|
[7954] | 566 | void Synchronizeable::handleRecvState( int userId, int stateId, int fromStateId ) |
---|
[6341] | 567 | { |
---|
[7954] | 568 | //make sure this user has his history |
---|
[9625] | 569 | if ( (int)recvStates.size() <= userId ) |
---|
[7954] | 570 | recvStates.resize( userId+1 ); |
---|
[9406] | 571 | |
---|
[7954] | 572 | //remove old states |
---|
| 573 | StateHistory::iterator it = recvStates[userId].begin(); |
---|
| 574 | |
---|
| 575 | #if 0 |
---|
| 576 | while ( it != recvStates[userId].end() && (*it)->stateId < fromStateId ) |
---|
| 577 | it++; |
---|
| 578 | |
---|
| 579 | if ( it != recvStates[userId].begin() ) |
---|
| 580 | { |
---|
| 581 | for ( StateHistory::iterator it2 = recvStates[userId].begin(); it2 != it; it2++ ) |
---|
| 582 | { |
---|
| 583 | if ( (*it2)->data != NULL ) |
---|
| 584 | { |
---|
| 585 | delete [] (*it2)->data; |
---|
| 586 | (*it2)->data = NULL; |
---|
| 587 | } |
---|
| 588 | } |
---|
| 589 | recvStates[userId].erase( recvStates[userId].begin(), it ); |
---|
| 590 | } |
---|
| 591 | #endif |
---|
| 592 | |
---|
| 593 | for ( it = recvStates[userId].begin(); it != recvStates[userId].end(); ) |
---|
| 594 | { |
---|
| 595 | if ( (*it)->stateId < fromStateId ) |
---|
| 596 | { |
---|
| 597 | StateHistory::iterator delIt = it; |
---|
| 598 | it ++; |
---|
[9406] | 599 | |
---|
[7954] | 600 | if ( (*delIt)->data ) |
---|
[8623] | 601 | { |
---|
[7954] | 602 | delete [] (*delIt)->data; |
---|
[8623] | 603 | (*delIt)->data = NULL; |
---|
| 604 | } |
---|
| 605 | delete *delIt; |
---|
[7954] | 606 | recvStates[userId].erase( delIt ); |
---|
[9406] | 607 | |
---|
[7954] | 608 | continue; |
---|
| 609 | } |
---|
| 610 | it++; |
---|
| 611 | } |
---|
[9406] | 612 | |
---|
[7954] | 613 | StateHistory::iterator fromState = recvStates[userId].end(); |
---|
| 614 | StateHistory::iterator toState = recvStates[userId].end(); |
---|
[9406] | 615 | |
---|
[7954] | 616 | for ( it = recvStates[userId].begin(); it != recvStates[userId].end(); it++ ) |
---|
| 617 | { |
---|
| 618 | if ( (*it)->stateId == stateId ) |
---|
| 619 | toState = it; |
---|
| 620 | if ( (*it)->stateId == fromStateId ) |
---|
| 621 | fromState = it; |
---|
[9406] | 622 | |
---|
[7954] | 623 | if ( fromState != recvStates[userId].end() && toState != recvStates[userId].end() ) |
---|
| 624 | break; |
---|
| 625 | } |
---|
[9406] | 626 | |
---|
[7954] | 627 | // setStateDiff was not called and i know fromStateId |
---|
| 628 | if ( fromState != recvStates[userId].end() && toState == recvStates[userId].end() ) |
---|
| 629 | { |
---|
| 630 | StateHistoryEntry * entry = new StateHistoryEntry; |
---|
[9406] | 631 | |
---|
[7954] | 632 | entry->dataLength = (*fromState)->dataLength; |
---|
| 633 | if ( entry->dataLength > 0 ) |
---|
| 634 | { |
---|
| 635 | entry->data = new byte[entry->dataLength]; |
---|
[9406] | 636 | |
---|
[7954] | 637 | assert( (*fromState)->data ); |
---|
| 638 | memcpy( entry->data, (*fromState)->data, entry->dataLength ); |
---|
| 639 | } |
---|
| 640 | else |
---|
| 641 | entry->data = NULL; |
---|
[9406] | 642 | |
---|
[7954] | 643 | entry->sizeList = (*fromState)->sizeList; |
---|
| 644 | entry->stateId = stateId; |
---|
[9406] | 645 | |
---|
[7954] | 646 | recvStates[userId].push_back(entry); |
---|
| 647 | } |
---|
[6341] | 648 | } |
---|
[6139] | 649 | |
---|
[6341] | 650 | /** |
---|
[7954] | 651 | * this function is called after sending a state |
---|
[9406] | 652 | * @param userId |
---|
| 653 | * @param stateId |
---|
| 654 | * @param fromStateId |
---|
[6341] | 655 | */ |
---|
[7954] | 656 | void Synchronizeable::handleSentState( int userId, int stateId, int fromStateId ) |
---|
[6341] | 657 | { |
---|
[7954] | 658 | //make sure this user has his history |
---|
[9625] | 659 | if ( (int)sentStates.size() <= userId ) |
---|
[7954] | 660 | sentStates.resize( userId+1 ); |
---|
| 661 | |
---|
| 662 | //remove old states |
---|
| 663 | StateHistory::iterator it = sentStates[userId].begin(); |
---|
| 664 | |
---|
| 665 | for ( it = sentStates[userId].begin(); it != sentStates[userId].end(); ) |
---|
| 666 | { |
---|
| 667 | if ( (*it)->stateId < fromStateId ) |
---|
| 668 | { |
---|
| 669 | StateHistory::iterator delIt = it; |
---|
| 670 | it ++; |
---|
[9406] | 671 | |
---|
[7954] | 672 | if ( (*delIt)->data ) |
---|
[8623] | 673 | { |
---|
[7954] | 674 | delete [] (*delIt)->data; |
---|
[8623] | 675 | (*delIt)->data = NULL; |
---|
| 676 | } |
---|
| 677 | delete *delIt; |
---|
[7954] | 678 | sentStates[userId].erase( delIt ); |
---|
[9406] | 679 | |
---|
[7954] | 680 | continue; |
---|
| 681 | } |
---|
| 682 | it++; |
---|
| 683 | } |
---|
| 684 | |
---|
[9406] | 685 | |
---|
[7954] | 686 | StateHistory::iterator fromState = sentStates[userId].end(); |
---|
| 687 | StateHistory::iterator toState = sentStates[userId].end(); |
---|
[9406] | 688 | |
---|
[7954] | 689 | for ( it = sentStates[userId].begin(); it != sentStates[userId].end(); it++ ) |
---|
| 690 | { |
---|
| 691 | if ( (*it)->stateId == stateId ) |
---|
| 692 | toState = it; |
---|
| 693 | if ( (*it)->stateId == fromStateId ) |
---|
| 694 | fromState = it; |
---|
[9406] | 695 | |
---|
[7954] | 696 | if ( fromState != sentStates[userId].end() && toState != sentStates[userId].end() ) |
---|
| 697 | break; |
---|
| 698 | } |
---|
| 699 | |
---|
[9406] | 700 | |
---|
[7954] | 701 | // getStateDiff was not called and i know fromStateId |
---|
| 702 | if ( fromState != sentStates[userId].end() && toState == sentStates[userId].end() ) |
---|
| 703 | { |
---|
| 704 | StateHistoryEntry * entry = new StateHistoryEntry; |
---|
[9406] | 705 | |
---|
[7954] | 706 | entry->dataLength = (*fromState)->dataLength; |
---|
| 707 | if ( entry->dataLength > 0 ) |
---|
| 708 | { |
---|
| 709 | entry->data = new byte[entry->dataLength]; |
---|
[9406] | 710 | |
---|
[7954] | 711 | assert( (*fromState)->data ); |
---|
| 712 | memcpy( entry->data, (*fromState)->data, entry->dataLength ); |
---|
| 713 | } |
---|
| 714 | else |
---|
| 715 | entry->data = NULL; |
---|
[9406] | 716 | |
---|
[7954] | 717 | entry->sizeList = (*fromState)->sizeList; |
---|
| 718 | entry->stateId = stateId; |
---|
[9406] | 719 | |
---|
[7954] | 720 | sentStates[userId].push_back(entry); |
---|
| 721 | } |
---|
[9406] | 722 | |
---|
[6341] | 723 | } |
---|
[6139] | 724 | |
---|
[6341] | 725 | |
---|
| 726 | |
---|