[Friends] Experimental ipc function handler

src/Components/Modules/Friends.cpp

@@ -167,6 +167,34 @@ namespace Components
 		});
 
 		UIFeeder::Add(6.0f, Friends::GetFriendCount, Friends::GetFriendText, Friends::SelectFriend);
+
+		IPCHandler::OnWorker("friends", [](std::string data)
+		{
+			Proto::IPC::Function function;
+			if(function.ParseFromString(data))
+			{
+				if(function.name() == "friendsResponse")
+				{
+					auto params = function.params();
+
+					Logger::Print("Received friendslist: %d\n", params.size());
+
+					for(auto param : params)
+					{
+						Logger::Print("%s\n", param.data());
+					}
+				}
+			}
+		});
+
+		Command::Add("getFriends", [](Command::Params*)
+		{
+			Proto::IPC::Function function;
+			function.set_name("getFriends");
+			function.add_params()->append(Utils::String::VA("%d", 4));
+
+			IPCHandler::SendWorker("friends", function.SerializeAsString());
+		});
 	}
 
 	Friends::~Friends()

src/Components/Modules/IPCHandler.cpp

@@ -13,7 +13,7 @@ namespace Components
 		IPCHandler::InitChannels();
 
 		Proto::IPC::Command command;
-		command.set_command(message);
+		command.set_name(message);
 		command.set_data(data);
 
 		IPCHandler::WorkerChannel->send(command.SerializeAsString());
@@ -24,7 +24,7 @@ namespace Components
 		IPCHandler::InitChannels();
 
 		Proto::IPC::Command command;
-		command.set_command(message);
+		command.set_name(message);
 		command.set_data(data);
 
 		IPCHandler::ClientChannel->send(command.SerializeAsString());
@@ -78,7 +78,7 @@ namespace Components
 			Proto::IPC::Command command;
 			if(command.ParseFromString(packet))
 			{
-				auto callback = IPCHandler::ClientCallbacks.find(command.command());
+				auto callback = IPCHandler::ClientCallbacks.find(command.name());
 				if (callback != IPCHandler::ClientCallbacks.end())
 				{
 					callback->second(command.data());
@@ -97,7 +97,7 @@ namespace Components
 			Proto::IPC::Command command;
 			if (command.ParseFromString(packet))
 			{
-				auto callback = IPCHandler::WorkerCallbacks.find(command.command());
+				auto callback = IPCHandler::WorkerCallbacks.find(command.name());
 				if (callback != IPCHandler::WorkerCallbacks.end())
 				{
 					callback->second(command.data());

src/Proto/ipc.proto

@@ -4,6 +4,12 @@ package Proto.IPC;
 
 message Command 
 {
-	bytes command  = 1;
+	bytes name  = 1;
 	bytes data = 2;
 }
+
+message Function
+{
+	bytes name = 1;
+	repeated bytes params = 2;
+}

src/Worker/Handlers/Friends.cpp

@@ -1,65 +1,55 @@
 #include "STDInclude.hpp"
 
-namespace Worker
+namespace Handlers
 {
-	int ProcessId;
+	void Friends::handle(Worker::Endpoint endpoint, std::string data)
-	
-	int __stdcall EntryPoint(HINSTANCE /*hInstance*/, HINSTANCE /*hPrevInstance*/, char* /*lpCmdLine*/, int /*nCmdShow*/)
 	{
-		Runner runner(Worker::ProcessId);
+		Proto::IPC::Function function;
-		runner.run();
+		if (function.ParseFromString(data))
-		return 0;
-	}
-
-	void Initialize()
-	{
-		if(!Steam::Proxy::Inititalize())
 		{
-			printf("Failed to initialize worker!\n");
+			auto handler = this->functions.find(function.name());
-			ExitProcess(1);
+			if (handler != this->functions.end())
-		}
+			{
-		else
+				printf("Handing function %s\n", function.name().data());
-		{
-#ifdef DEBUG
-			SetConsoleTitleA("IW4x: Worker");
-#else
-			FreeConsole();
-#endif
 
-			Utils::Hook(0x6BABA1, Worker::EntryPoint, HOOK_CALL).install()->quick();
+				auto params = function.params();
+				handler->second(endpoint, std::vector<std::string>(params.begin(), params.end()));
+			}
+			else
+			{
+				printf("No handler for function %s\n", function.name().data());
+			}
 		}
 	}
 
-	void Uninitialize()
+	void Friends::addFunction(std::string function, Friends::Callback callback)
 	{
-		Steam::Proxy::Uninititalize();
+		this->functions[function] = callback;
 	}
 
-	bool ParseWorkerFlag()
+	Friends::Friends()
 	{
-		char* command = "-parent ";
+		this->addFunction("getFriends", [&](Worker::Endpoint endpoint, std::vector<std::string> params)
-		char* parentProc = strstr(GetCommandLineA(), command);
-
-		if (parentProc)
 		{
-			parentProc += strlen(command);
+			if (params.size() >= 1 && Steam::Proxy::SteamFriends)
-			Worker::ProcessId = atoi(parentProc);
+			{
+				int flag = atoi(params[0].data());
+				int count = Steam::Proxy::SteamFriends->GetFriendCount(flag);
 
-			return true;
+				Proto::IPC::Function response;
-		}
+				response.set_name("friendsResponse");
 
-		return false;
+				for (int i = 0; i < count; ++i)
-	}
+				{
+					std::string* param = response.add_params();
+					SteamID id = Steam::Proxy::SteamFriends->GetFriendByIndex(i, flag);
 
-	bool IsWorker()
+					param->clear();
-	{
+					param->append(Utils::String::VA("%llX", id.Bits));
-		static Utils::Value<bool> flag;
+				}
 
-		if (!flag.isValid())
+				endpoint.send(this->getCommand(), response.SerializeAsString());
-		{
+			}
-			flag.set(Worker::ParseWorkerFlag());
+		});
-		}
-
-		return flag.get();
 	}
 }

src/Worker/Handlers/Friends.hpp

@@ -1,11 +1,19 @@
 #pragma once
 
-namespace Worker
+namespace Handlers
 {
-	void Initialize();
+	class Friends : public Worker::Runner::Handler
-	void Uninitialize();
+	{
+	public:
+		typedef std::function<void(Worker::Endpoint, std::vector<std::string>)> Callback;
 
-	bool IsWorker();
+		Friends();
+
+		std::string getCommand() override { return "friends"; };
+		void handle(Worker::Endpoint endpoint, std::string data) override;
+
+	private:
+		void addFunction(std::string function, Callback callback);
+		std::unordered_map<std::string, Callback> functions;
+	};
 }
-
-#include "Runner.hpp"

src/Worker/Runner.cpp

@@ -37,9 +37,9 @@ namespace Worker
 		}
 	}
 
-	void Runner::attachHandler(std::shared_ptr<Handler> handler)
+	void Runner::attachHandler(Runner::Handler* handler)
 	{
-		this->handlers[handler->getCommand()] = handler;
+		this->handlers[handler->getCommand()] = std::shared_ptr<Runner::Handler>(handler);
 	}
 
 	void Runner::worker()
@@ -57,15 +57,15 @@ namespace Worker
 				Proto::IPC::Command command;
 				if(command.ParseFromString(buffer))
 				{
-					auto handler = this->handlers.find(command.command());
+					auto handler = this->handlers.find(command.name());
 					if (handler != this->handlers.end())
 					{
-						printf("Handling command %s\n", command.command().data());
+						printf("Dispathcing command %s to handler\n", command.name().data());
 						handler->second->handle(&channel, command.data());
 					}
 					else
 					{
-						printf("No handler found for command %s\n", command.command().data());
+						printf("No handler found for command %s\n", command.name().data());
 					}
 				}
 			}

src/Worker/Runner.hpp

@@ -2,6 +2,29 @@
 
 namespace Worker
 {
+	class Endpoint
+	{
+	public:
+		Endpoint() : Endpoint(nullptr) {}
+		Endpoint(Utils::IPC::BidirectionalChannel* _channel) : channel(_channel) {}
+		Endpoint(const Endpoint& obj) : Endpoint(obj.channel) {}
+
+		void send(std::string message, std::string data)
+		{
+			if (this->channel)
+			{
+				Proto::IPC::Command command;
+				command.set_name(message);
+				command.set_data(data);
+
+				this->channel->send(command.SerializeAsString());
+			}
+		}
+
+	private:
+		Utils::IPC::BidirectionalChannel* channel;
+	};
+
 	class Runner
 	{
 	public:
@@ -10,7 +33,7 @@ namespace Worker
 		public:
 			virtual ~Handler() {};
 			virtual std::string getCommand() = 0;
-			virtual void handle(Utils::IPC::BidirectionalChannel* channel, std::string data) = 0;
+			virtual void handle(Endpoint endpoint, std::string data) = 0;
 		};
 
 		Runner(int pid);
@@ -18,13 +41,15 @@ namespace Worker
 
 		void run();
 
-		void attachHandler(std::shared_ptr<Handler> handler);
+		void attachHandler(Runner::Handler* handler);
 
 	private:
 		void worker();
 
 		int processId;
 		bool terminate;
-		std::map<std::string, std::shared_ptr<Handler>> handlers;
+		std::unordered_map<std::string, std::shared_ptr<Handler>> handlers;
 	};
 }
+
+#include "Handlers/Friends.hpp"

src/Worker/Worker.cpp

@@ -7,6 +7,7 @@ namespace Worker
 	int __stdcall EntryPoint(HINSTANCE /*hInstance*/, HINSTANCE /*hPrevInstance*/, char* /*lpCmdLine*/, int /*nCmdShow*/)
 	{
 		Runner runner(Worker::ProcessId);
+		runner.attachHandler(new Handlers::Friends());
 		runner.run();
 		return 0;
 	}