Ejemplo n.º 1
0
//------------------------------------------------------------------------------
bool CvDllGameContext::RandomNumberGeneratorSyncCheck(PlayerTypes ePlayer, ICvRandom1* pRandom, bool bIsHost)
{
	// uh oh! Check the Random number generator!
	const CvRandom& localSimRandomNumberGenerator = GC.getGame().getJonRand();
	CvRandom* pkRandom = GC.UnwrapRandomPointer(pRandom);

	if(localSimRandomNumberGenerator != *pkRandom)
	{
		FILogFile* logFile = LOGFILEMGR.GetLog("net_message_debug.log", 0);

		char formatBuf[128] = {"\0"};
		std::string rngLogMessage = "Game Random Number Generators are out of sync : local.seed=";
		_i64toa_s(localSimRandomNumberGenerator.getSeed(), formatBuf, 127, 10);	rngLogMessage += formatBuf;
		rngLogMessage += ", remote.seed=";
		_i64toa_s(pkRandom->getSeed(), formatBuf, 127, 10);	rngLogMessage += formatBuf; 
		rngLogMessage += "\n\tlocal.callCount=";
		_itoa_s(localSimRandomNumberGenerator.getCallCount(), formatBuf, 10); rngLogMessage += formatBuf;
		rngLogMessage += ", remote.callCount=";
		_itoa_s(pkRandom->getCallCount(), formatBuf, 10); rngLogMessage += formatBuf;
		rngLogMessage += "\n\tlocal.resetCount=";
		_itoa_s(localSimRandomNumberGenerator.getResetCount(), formatBuf, 10); rngLogMessage += formatBuf;
		rngLogMessage += ", remote.resetCount=";
		_itoa_s(pkRandom->getResetCount(), formatBuf, 10); rngLogMessage += formatBuf;
		rngLogMessage += "\n";

		if(logFile)
			logFile->DebugMsg(rngLogMessage.c_str());

		return false;
	}

	return true;
}
Ejemplo n.º 2
0
//------------------------------------------------------------------------------
bool CvDllGameContext::RandomNumberGeneratorSyncCheck(PlayerTypes ePlayer, ICvRandom1* pRandom, bool bIsHost)
{
	// uh oh! Check the Random number generator!
	const CvRandom& localSimRandomNumberGenerator = GC.getGame().getJonRand();
	CvRandom* pkRandom = GC.UnwrapRandomPointer(pRandom);

	if(localSimRandomNumberGenerator != *pkRandom)
	{
		FILogFile* logFile = LOGFILEMGR.GetLog("net_message_debug.log", 0);

		char formatBuf[128] = {"\0"};
		std::string rngLogMessage = "Game Random Number Generators are out of sync : local.seed=";
		rngLogMessage += _itoa_s(localSimRandomNumberGenerator.getSeed(), formatBuf, 10);
		rngLogMessage += ", remote.seed=";
		rngLogMessage += _itoa_s(pkRandom->getSeed(), formatBuf, 10);
		rngLogMessage += "\n\tlocal.callCount=";
		rngLogMessage += _itoa_s(localSimRandomNumberGenerator.getCallCount(), formatBuf, 10);
		rngLogMessage += ", remote.callCount=";
		rngLogMessage += _itoa_s(pkRandom->getCallCount(), formatBuf, 10);
		rngLogMessage += "\n\tlocal.resetCount=";
		rngLogMessage += _itoa_s(localSimRandomNumberGenerator.getResetCount(), formatBuf, 10);
		rngLogMessage += ", remote.resetCount=";
		rngLogMessage += _itoa_s(pkRandom->getResetCount(), formatBuf, 10);
		rngLogMessage += "\n";

		if(localSimRandomNumberGenerator.callStackDebuggingEnabled() && pkRandom->callStackDebuggingEnabled())
		{
			std::string localCallStack("");
			std::string remoteCallStack("");
			localSimRandomNumberGenerator.resolveCallStacks();
			const std::vector<std::string>& localCallStacks = localSimRandomNumberGenerator.getResolvedCallStacks();
			const std::vector<std::string>& remoteCallStacks =  pkRandom->getResolvedCallStacks();
			const std::vector<unsigned long>& localSeedHistory = localSimRandomNumberGenerator.getSeedHistory();
			const std::vector<unsigned long>& remoteSeedHistory = pkRandom->getSeedHistory();
			std::vector<unsigned long>::const_iterator localSeedIterator = localSeedHistory.begin();
			std::vector<unsigned long>::const_iterator remoteSeedIterator = remoteSeedHistory.begin();
			unsigned int callNumber = 0;
			for(localSeedIterator = localSeedHistory.begin(), remoteSeedIterator = remoteSeedHistory.begin(); localSeedIterator != localSeedHistory.end() && remoteSeedIterator != remoteSeedHistory.end(); ++localSeedIterator, ++remoteSeedIterator, ++callNumber)
			{
				if(*localSeedIterator != *remoteSeedIterator)
				{
					if(callNumber < localCallStacks.size() && callNumber < remoteCallStacks.size())
					{
						rngLogMessage += "At Call #";
						rngLogMessage += _itoa_s(callNumber, formatBuf, 10);
						rngLogMessage += " random number seeds are different.\n";
						if(callNumber > 0)
						{
							rngLogMessage += "Call #";
							rngLogMessage += _itoa_s(callNumber - 1, formatBuf, 10);
							rngLogMessage += "\nLocal:\n";
							rngLogMessage += localCallStacks[callNumber - 1];
							rngLogMessage += "\nRemote:\n";
							rngLogMessage += remoteCallStacks[callNumber - 1];
						}
						rngLogMessage += "Call #";
						rngLogMessage += _itoa_s(callNumber, formatBuf, 10);
						rngLogMessage += "\nLocal:\n";
						rngLogMessage += localCallStacks[callNumber];
						rngLogMessage += "\nRemote:\n";
						rngLogMessage += remoteCallStacks[callNumber];
						break;
					}
				}
			}
			if(localSeedIterator != localSeedHistory.end() && remoteSeedIterator == remoteSeedHistory.end())
			{
				rngLogMessage += "\nLocal random number generator called more than remote at call #";
				rngLogMessage += _itoa_s(callNumber, formatBuf, 10);
				rngLogMessage += "\n";
				if(callNumber < localSeedHistory.size())
				{
					rngLogMessage += "Local CallStack:\n";
					rngLogMessage += localCallStacks[callNumber];
				}
			}
			else if(remoteSeedIterator != remoteSeedHistory.end() && localSeedIterator == localSeedHistory.end())
			{
				rngLogMessage += "\nremote random number generator called more than local at call #";
				rngLogMessage += _itoa_s(callNumber, formatBuf, 10);
				rngLogMessage += "\n";
				if(callNumber < remoteSeedHistory.size())
				{
					rngLogMessage += "remote CallStack:\n";
					rngLogMessage += remoteCallStacks[callNumber];
				}
			}

			// find first different call
			std::vector<std::string>::const_iterator localCallStackIterator;
			std::vector<std::string>::const_iterator remoteCallStackIterator;
			for(localCallStackIterator = localCallStacks.begin(), remoteCallStackIterator = remoteCallStacks.begin(), callNumber = 0; localCallStackIterator != localCallStacks.end() && remoteCallStackIterator != remoteCallStacks.end(); ++localCallStackIterator, ++remoteCallStackIterator, ++callNumber)
			{
				if(*localCallStackIterator != *remoteCallStackIterator)
				{
					rngLogMessage += "\nFirst different callstack at call #";
					rngLogMessage += _itoa_s(callNumber, formatBuf, 10);
					rngLogMessage += "\n";
					rngLogMessage += "Local :\n";
					rngLogMessage += *localCallStackIterator;
					rngLogMessage += "Remote :\n";
					rngLogMessage += *remoteCallStackIterator;
					break;
				}
			}

			if(logFile)
			{
				logFile->DebugMsg(rngLogMessage.c_str());
			}

			CvAssertMsg(false, rngLogMessage.c_str());

			if(logFile)
			{
				rngLogMessage = "\nDebug dump:\n";


				// add full history
				rngLogMessage += "Seed History -\n";
				localSeedIterator = localSeedHistory.begin();
				remoteSeedIterator = remoteSeedHistory.begin();
				callNumber = 0;
				while(localSeedIterator != localSeedHistory.end() || remoteSeedIterator != remoteSeedHistory.end())
				{
					++callNumber;
					rngLogMessage += "\t Call #";
					rngLogMessage += _itoa_s(callNumber, formatBuf, 10);
					rngLogMessage += " LOCAL=";
					if(localSeedIterator != localSeedHistory.end())
					{
						rngLogMessage += _itoa_s(*localSeedIterator, formatBuf, 10);
						++localSeedIterator;
					}
					rngLogMessage += "\tREMOTE=";
					if(remoteSeedIterator != remoteSeedHistory.end())
					{
						rngLogMessage += _itoa_s(*remoteSeedIterator, formatBuf, 10);
						++remoteSeedIterator;
					}
					rngLogMessage += "\n";
				}

				rngLogMessage += "\nLocal callstack history\n";
				callNumber = 0;
				std::string lastCallStackLogged;
				unsigned int repeatCount = 0;
				std::vector<std::string>::const_iterator i;
				for(i = localCallStacks.begin(); i != localCallStacks.end(); ++i)
				{
					if(lastCallStackLogged != *i)
					{
						if(repeatCount > 0)
						{
							rngLogMessage += "Last message repeated ";
							rngLogMessage += _itoa_s(repeatCount, formatBuf, 10);
							rngLogMessage += " times\n";
						}
						rngLogMessage += "Call #";
						rngLogMessage += _itoa_s(callNumber, formatBuf, 10);
						rngLogMessage += "\n";
						rngLogMessage += *i;
						lastCallStackLogged = *i;
						repeatCount = 0;
					}
					else
					{
						repeatCount++;
					}
					++callNumber;
				}

				rngLogMessage += "\nRemote callstack history\n";
				callNumber = 0;
				repeatCount = 0;
				for(i = remoteCallStacks.begin(); i != remoteCallStacks.end(); ++i)
				{
					if(lastCallStackLogged != *i)
					{
						if(repeatCount > 0)
						{
							rngLogMessage += "Last message repeated ";
							rngLogMessage += _itoa_s(repeatCount, formatBuf, 10);
							rngLogMessage += " times\n";
						}
						rngLogMessage += "Call #";
						rngLogMessage += _itoa_s(callNumber, formatBuf, 10);
						rngLogMessage += "\n";
						rngLogMessage += *i;
						lastCallStackLogged = *i;
						repeatCount = 0;
					}
					else
					{
						repeatCount++;
					}
					++callNumber;
				}
				logFile->DebugMsg(rngLogMessage.c_str());
			}

		}
		else
		{
			if(logFile)
			{
				logFile->DebugMsg(rngLogMessage.c_str());
			}
			CvAssertMsg(false, rngLogMessage.c_str());
		}


		/* If this point has been reached, the OOS may be nearly unrecoverable
		// attempt to recover
		if(m_isHost)
		{
			CvRandom & rng = auto_ptr<ICvGame1> pGame = GameCore::GetGame();\n.getJonRand();
			rng.reset(m_simRandomNumberGenerator.getSeed());
		}
		// brute force approach
		// JAR : todo - this is the solution of last resort if
		// loadDelta() doesn't work out
		*/
		return false;
	}

	return true;
}