C++ CNetServerSession::GetHostID方法代码示例

bool CNetServerWorker::OnInGame(void* context, CFsmEvent* event)
{
	// TODO: should split each of these cases into a separate method

	CNetServerSession* session = (CNetServerSession*)context;
	CNetServerWorker& server = session->GetServer();

	CNetMessage* message = (CNetMessage*)event->GetParamRef();
	if (message->GetType() == (uint)NMT_SIMULATION_COMMAND)
	{
		CSimulationMessage* simMessage = static_cast<CSimulationMessage*> (message);

		// Ignore messages sent by one player on behalf of another player
		// unless cheating is enabled
		bool cheatsEnabled = false;
		ScriptInterface& scriptInterface = server.GetScriptInterface();
		JSContext* cx = scriptInterface.GetContext();
		JSAutoRequest rq(cx);
		JS::RootedValue settings(cx);
		scriptInterface.GetProperty(server.m_GameAttributes.get(), "settings", &settings);
		if (scriptInterface.HasProperty(settings, "CheatsEnabled"))
			scriptInterface.GetProperty(settings, "CheatsEnabled", cheatsEnabled);

		PlayerAssignmentMap::iterator it = server.m_PlayerAssignments.find(session->GetGUID());
		// When cheating is disabled, fail if the player the message claims to
		// represent does not exist or does not match the sender's player name
		if (!cheatsEnabled && (it == server.m_PlayerAssignments.end() || it->second.m_PlayerID != simMessage->m_Player))
			return true;

		// Send it back to all clients immediately
		server.Broadcast(simMessage);

		// Save all the received commands
		if (server.m_SavedCommands.size() < simMessage->m_Turn + 1)
			server.m_SavedCommands.resize(simMessage->m_Turn + 1);
		server.m_SavedCommands[simMessage->m_Turn].push_back(*simMessage);

		// TODO: we shouldn't send the message back to the client that first sent it
	}
	else if (message->GetType() == (uint)NMT_SYNC_CHECK)
	{
		CSyncCheckMessage* syncMessage = static_cast<CSyncCheckMessage*> (message);
		server.m_ServerTurnManager->NotifyFinishedClientUpdate(session->GetHostID(), session->GetUserName(), syncMessage->m_Turn, syncMessage->m_Hash);
	}
	else if (message->GetType() == (uint)NMT_END_COMMAND_BATCH)
	{
		CEndCommandBatchMessage* endMessage = static_cast<CEndCommandBatchMessage*> (message);
		server.m_ServerTurnManager->NotifyFinishedClientCommands(session->GetHostID(), endMessage->m_Turn);
	}

	return true;
}

bool CNetServerWorker::OnJoinSyncingLoadedGame(void* context, CFsmEvent* event)
{
	// A client rejoining an in-progress game has now finished loading the
	// map and deserialized the initial state.
	// The simulation may have progressed since then, so send any subsequent
	// commands to them and set them as an active player so they can participate
	// in all future turns.
	// 
	// (TODO: if it takes a long time for them to receive and execute all these
	// commands, the other players will get frozen for that time and may be unhappy;
	// we could try repeating this process a few times until the client converges
	// on the up-to-date state, before setting them as active.)

	ENSURE(event->GetType() == (uint)NMT_LOADED_GAME);

	CNetServerSession* session = (CNetServerSession*)context;
	CNetServerWorker& server = session->GetServer();

	CLoadedGameMessage* message = (CLoadedGameMessage*)event->GetParamRef();

	u32 turn = message->m_CurrentTurn;
	u32 readyTurn = server.m_ServerTurnManager->GetReadyTurn();

	// Send them all commands received since their saved state,
	// and turn-ended messages for any turns that have already been processed
	for (size_t i = turn + 1; i < std::max(readyTurn+1, (u32)server.m_SavedCommands.size()); ++i)
	{
		if (i < server.m_SavedCommands.size())
			for (size_t j = 0; j < server.m_SavedCommands[i].size(); ++j)
				session->SendMessage(&server.m_SavedCommands[i][j]);

		if (i <= readyTurn)
		{
			CEndCommandBatchMessage endMessage;
			endMessage.m_Turn = i;
			endMessage.m_TurnLength = server.m_ServerTurnManager->GetSavedTurnLength(i);
			session->SendMessage(&endMessage);
		}
	}

	// Tell the turn manager to expect commands from this new client
	server.m_ServerTurnManager->InitialiseClient(session->GetHostID(), readyTurn);

	// Tell the client that everything has finished loading and it should start now
	CLoadedGameMessage loaded;
	loaded.m_CurrentTurn = readyTurn;
	session->SendMessage(&loaded);

	return true;
}

bool CNetServerWorker::OnInGame(void* context, CFsmEvent* event)
{
	// TODO: should split each of these cases into a separate method

	CNetServerSession* session = (CNetServerSession*)context;
	CNetServerWorker& server = session->GetServer();

	CNetMessage* message = (CNetMessage*)event->GetParamRef();
	if (message->GetType() == (uint)NMT_SIMULATION_COMMAND)
	{
		CSimulationMessage* simMessage = static_cast<CSimulationMessage*> (message);

		// Send it back to all clients immediately
		server.Broadcast(simMessage);

		// Save all the received commands
		if (server.m_SavedCommands.size() < simMessage->m_Turn + 1)
			server.m_SavedCommands.resize(simMessage->m_Turn + 1);
		server.m_SavedCommands[simMessage->m_Turn].push_back(*simMessage);

		// TODO: we should do some validation of ownership (clients can't send commands on behalf of opposing players)

		// TODO: we shouldn't send the message back to the client that first sent it
	}
	else if (message->GetType() == (uint)NMT_SYNC_CHECK)
	{
		CSyncCheckMessage* syncMessage = static_cast<CSyncCheckMessage*> (message);
		server.m_ServerTurnManager->NotifyFinishedClientUpdate(session->GetHostID(), syncMessage->m_Turn, syncMessage->m_Hash);
	}
	else if (message->GetType() == (uint)NMT_END_COMMAND_BATCH)
	{
		CEndCommandBatchMessage* endMessage = static_cast<CEndCommandBatchMessage*> (message);
		server.m_ServerTurnManager->NotifyFinishedClientCommands(session->GetHostID(), endMessage->m_Turn);
	}

	return true;
}