C++ CComponentManager::ComputeStateHash方法代码示例

void CSimulation2Impl::DumpState()
{
	PROFILE("DumpState");

	std::stringstream pid;
	pid << getpid();
	std::stringstream name;\
	name << std::setw(5) << std::setfill('0') << m_TurnNumber << ".txt";
	OsPath path = psLogDir() / "sim_log" / pid.str() / name.str();
	CreateDirectories(path.Parent(), 0700);
	std::ofstream file (OsString(path).c_str(), std::ofstream::out | std::ofstream::trunc);

	file << "State hash: " << std::hex;
	std::string hashRaw;
	m_ComponentManager.ComputeStateHash(hashRaw, false);
	for (size_t i = 0; i < hashRaw.size(); ++i)
		file << std::setfill('0') << std::setw(2) << (int)(unsigned char)hashRaw[i];
	file << std::dec << "\n";

	file << "\n";

	m_ComponentManager.DumpDebugState(file, true);

	std::ofstream binfile (OsString(path.ChangeExtension(L".dat")).c_str(), std::ofstream::out | std::ofstream::trunc | std::ofstream::binary);
	m_ComponentManager.SerializeState(binfile);
}

void CSimulation2Impl::Update(int turnLength, const std::vector<SimulationCommand>& commands)
{
	PROFILE3("sim update");
	PROFILE2_ATTR("turn %d", (int)m_TurnNumber);

	fixed turnLengthFixed = fixed::FromInt(turnLength) / 1000;

	/*
	 * In serialization test mode, we save the original (primary) simulation state before each turn update.
	 * We run the update, then load the saved state into a secondary context.
	 * We serialize that again and compare to the original serialization (to check that
	 * serialize->deserialize->serialize is equivalent to serialize).
	 * Then we run the update on the secondary context, and check that its new serialized
	 * state matches the primary context after the update (to check that the simulation doesn't depend
	 * on anything that's not serialized).
	 */

	const bool serializationTestDebugDump = false; // set true to save human-readable state dumps before an error is detected, for debugging (but slow)
	const bool serializationTestHash = true; // set true to save and compare hash of state

	SerializationTestState primaryStateBefore;
	if (m_EnableSerializationTest)
	{
		ENSURE(m_ComponentManager.SerializeState(primaryStateBefore.state));
		if (serializationTestDebugDump)
			ENSURE(m_ComponentManager.DumpDebugState(primaryStateBefore.debug, false));
		if (serializationTestHash)
			ENSURE(m_ComponentManager.ComputeStateHash(primaryStateBefore.hash, false));
	}


	UpdateComponents(m_SimContext, turnLengthFixed, commands);


	if (m_EnableSerializationTest)
	{
		// Initialise the secondary simulation
		CTerrain secondaryTerrain;
		CSimContext secondaryContext;
		secondaryContext.m_Terrain = &secondaryTerrain;
		CComponentManager secondaryComponentManager(secondaryContext, m_ComponentManager.GetScriptInterface().GetRuntime());
		secondaryComponentManager.LoadComponentTypes();
		ENSURE(LoadDefaultScripts(secondaryComponentManager, NULL));
		ResetComponentState(secondaryComponentManager, false, false);

		// Load the map into the secondary simulation

		LDR_BeginRegistering();
		CMapReader* mapReader = new CMapReader; // automatically deletes itself

		// TODO: this duplicates CWorld::RegisterInit and could probably be cleaned up a bit
		std::string mapType;
		m_ComponentManager.GetScriptInterface().GetProperty(m_InitAttributes.get(), "mapType", mapType);
		if (mapType == "random")
		{
			// TODO: support random map scripts
			debug_warn(L"Serialization test mode only supports scenarios");
		}
		else
		{
			std::wstring mapFile;
			m_ComponentManager.GetScriptInterface().GetProperty(m_InitAttributes.get(), "map", mapFile);

			VfsPath mapfilename = VfsPath(mapFile).ChangeExtension(L".pmp");
			mapReader->LoadMap(mapfilename, CScriptValRooted(), &secondaryTerrain, NULL, NULL, NULL, NULL, NULL, NULL,
				NULL, NULL, &secondaryContext, INVALID_PLAYER, true); // throws exception on failure
		}
		LDR_EndRegistering();
		ENSURE(LDR_NonprogressiveLoad() == INFO::OK);

		ENSURE(secondaryComponentManager.DeserializeState(primaryStateBefore.state));

		SerializationTestState secondaryStateBefore;
		ENSURE(secondaryComponentManager.SerializeState(secondaryStateBefore.state));
		if (serializationTestDebugDump)
			ENSURE(secondaryComponentManager.DumpDebugState(secondaryStateBefore.debug, false));
		if (serializationTestHash)
			ENSURE(secondaryComponentManager.ComputeStateHash(secondaryStateBefore.hash, false));

		if (primaryStateBefore.state.str() != secondaryStateBefore.state.str() ||
			primaryStateBefore.hash != secondaryStateBefore.hash)
		{
			ReportSerializationFailure(&primaryStateBefore, NULL, &secondaryStateBefore, NULL);
		}

		SerializationTestState primaryStateAfter;
		ENSURE(m_ComponentManager.SerializeState(primaryStateAfter.state));
		if (serializationTestHash)
			ENSURE(m_ComponentManager.ComputeStateHash(primaryStateAfter.hash, false));

		UpdateComponents(secondaryContext, turnLengthFixed,
			CloneCommandsFromOtherContext(m_ComponentManager.GetScriptInterface(), secondaryComponentManager.GetScriptInterface(), commands));

		SerializationTestState secondaryStateAfter;
		ENSURE(secondaryComponentManager.SerializeState(secondaryStateAfter.state));
		if (serializationTestHash)
			ENSURE(secondaryComponentManager.ComputeStateHash(secondaryStateAfter.hash, false));

		if (primaryStateAfter.state.str() != secondaryStateAfter.state.str() ||
			primaryStateAfter.hash != secondaryStateAfter.hash)
//.........这里部分代码省略.........

void CSimulation2Impl::Update(int turnLength, const std::vector<SimulationCommand>& commands)
{
	PROFILE3("sim update");
	PROFILE2_ATTR("turn %d", (int)m_TurnNumber);

	fixed turnLengthFixed = fixed::FromInt(turnLength) / 1000;

	/*
	 * In serialization test mode, we save the original (primary) simulation state before each turn update.
	 * We run the update, then load the saved state into a secondary context.
	 * We serialize that again and compare to the original serialization (to check that
	 * serialize->deserialize->serialize is equivalent to serialize).
	 * Then we run the update on the secondary context, and check that its new serialized
	 * state matches the primary context after the update (to check that the simulation doesn't depend
	 * on anything that's not serialized).
	 */

	const bool serializationTestDebugDump = false; // set true to save human-readable state dumps before an error is detected, for debugging (but slow)
	const bool serializationTestHash = true; // set true to save and compare hash of state

	SerializationTestState primaryStateBefore;
	ScriptInterface& scriptInterface = m_ComponentManager.GetScriptInterface();

	if (m_EnableSerializationTest)
	{
		ENSURE(m_ComponentManager.SerializeState(primaryStateBefore.state));
		if (serializationTestDebugDump)
			ENSURE(m_ComponentManager.DumpDebugState(primaryStateBefore.debug, false));
		if (serializationTestHash)
			ENSURE(m_ComponentManager.ComputeStateHash(primaryStateBefore.hash, false));
	}

	UpdateComponents(m_SimContext, turnLengthFixed, commands);


	if (m_EnableSerializationTest)
	{
		// Initialise the secondary simulation
		CTerrain secondaryTerrain;
		CSimContext secondaryContext;
		secondaryContext.m_Terrain = &secondaryTerrain;
		CComponentManager secondaryComponentManager(secondaryContext, scriptInterface.GetRuntime());
		secondaryComponentManager.LoadComponentTypes();
		std::set<VfsPath> secondaryLoadedScripts;
		ENSURE(LoadDefaultScripts(secondaryComponentManager, &secondaryLoadedScripts));
		ResetComponentState(secondaryComponentManager, false, false);

		// Load the trigger scripts after we have loaded the simulation.
		{
			JSContext* cx2 = secondaryComponentManager.GetScriptInterface().GetContext();
			JSAutoRequest rq2(cx2);
			JS::RootedValue mapSettingsCloned(cx2, 
				secondaryComponentManager.GetScriptInterface().CloneValueFromOtherContext(
					scriptInterface, m_MapSettings));
			ENSURE(LoadTriggerScripts(secondaryComponentManager, mapSettingsCloned, &secondaryLoadedScripts));
		}

		// Load the map into the secondary simulation

		LDR_BeginRegistering();
		CMapReader* mapReader = new CMapReader; // automatically deletes itself
			
		std::string mapType;
		scriptInterface.GetProperty(m_InitAttributes, "mapType", mapType);
		if (mapType == "random")
		{
			// TODO: support random map scripts
			debug_warn(L"Serialization test mode does not support random maps");
		}
		else
		{
			std::wstring mapFile;
			scriptInterface.GetProperty(m_InitAttributes, "map", mapFile);

			VfsPath mapfilename = VfsPath(mapFile).ChangeExtension(L".pmp");
			mapReader->LoadMap(mapfilename, scriptInterface.GetJSRuntime(), JS::UndefinedHandleValue,
				&secondaryTerrain, NULL, NULL, NULL, NULL, NULL, NULL,
				NULL, NULL, &secondaryContext, INVALID_PLAYER, true); // throws exception on failure
		}

		LDR_EndRegistering();
		ENSURE(LDR_NonprogressiveLoad() == INFO::OK);

		ENSURE(secondaryComponentManager.DeserializeState(primaryStateBefore.state));

		SerializationTestState secondaryStateBefore;
		ENSURE(secondaryComponentManager.SerializeState(secondaryStateBefore.state));
		if (serializationTestDebugDump)
			ENSURE(secondaryComponentManager.DumpDebugState(secondaryStateBefore.debug, false));
		if (serializationTestHash)
			ENSURE(secondaryComponentManager.ComputeStateHash(secondaryStateBefore.hash, false));

		if (primaryStateBefore.state.str() != secondaryStateBefore.state.str() ||
			primaryStateBefore.hash != secondaryStateBefore.hash)
		{
			ReportSerializationFailure(&primaryStateBefore, NULL, &secondaryStateBefore, NULL);
		}

		SerializationTestState primaryStateAfter;
		ENSURE(m_ComponentManager.SerializeState(primaryStateAfter.state));
//.........这里部分代码省略.........