remove id from dispatcher

include/sp/protocol/MessageDispatcher.h

@@ -19,7 +19,6 @@ template <typename MessageBase>
 class MessageDispatcher {
   public:
 	using MessageBaseType = MessageBase;
-	using MessageIdType = typename MessageBase::MessageIdType;
 	using MessageHandler = typename MessageBase::HandlerType;
 
 	/**
@@ -38,23 +37,16 @@ class MessageDispatcher {
 	 * \param type The packet type
 	 * \param handler The packet handler
 	 */
-	void RegisterHandler(MessageIdType a_MessageType, MessageHandler* a_Handler);
+	void RegisterHandler(const std::shared_ptr<MessageHandler>& a_Handler);
-
-	/**
-	 * \brief Unregister a packet handler
-	 * \param type The packet type
-	 * \param handler The packet handler
-	 */
-	void UnregisterHandler(MessageIdType a_MessageType, MessageHandler* a_Handler);
 
 	/**
 	 * \brief Unregister a packet handler
 	 * \param handler The packet handler
 	 */
-	void UnregisterHandler(MessageHandler* a_Handler);
+	void UnregisterHandler(const std::shared_ptr<MessageHandler>& a_Handler);
 
   private:
-	std::map<MessageIdType, std::vector<MessageHandler*>> m_Handlers;
+	std::vector<std::weak_ptr<MessageHandler>> m_Handlers;
 };
 
 }  // namespace sp

include/sp/protocol/MessageDispatcherImpl.inl

@@ -6,37 +6,22 @@
 namespace sp {
 
 template <typename MessageBase>
-void MessageDispatcher<MessageBase>::RegisterHandler(MessageIdType a_MessageType, MessageHandler* a_Handler) {
+void MessageDispatcher<MessageBase>::RegisterHandler(const std::shared_ptr<MessageHandler>& a_Handler) {
 	assert(a_Handler);
-	auto found = std::find(m_Handlers[a_MessageType].begin(), m_Handlers[a_MessageType].end(), a_Handler);
+	m_Handlers.push_back(a_Handler);
-	if (found == m_Handlers[a_MessageType].end())
-		m_Handlers[a_MessageType].push_back(a_Handler);
 }
 
 template <typename MessageBase>
-void MessageDispatcher<MessageBase>::UnregisterHandler(MessageIdType a_MessageType, MessageHandler* a_Handler) {
+void MessageDispatcher<MessageBase>::UnregisterHandler(const std::shared_ptr<MessageHandler>& a_Handler) {
-	auto found = std::find(m_Handlers[a_MessageType].begin(), m_Handlers[a_MessageType].end(), a_Handler);
+	auto found = std::find(m_Handlers.begin(), m_Handlers.end(), a_Handler);
-	if (found != m_Handlers[a_MessageType].end())
+	if (found != m_Handlers.end())
-		m_Handlers[a_MessageType].erase(found);
+		m_Handlers.erase(found);
-}
-
-template <typename MessageBase>
-void MessageDispatcher<MessageBase>::UnregisterHandler(MessageHandler* a_Handler) {
-	for (auto& pair : m_Handlers) {
-		if (pair.second.empty())
-			continue;
-
-		MessageIdType type = pair.first;
-
-		pair.second.erase(std::remove(pair.second.begin(), pair.second.end(), a_Handler), pair.second.end());
-	}
 }
 
 template <typename MessageBase>
 void MessageDispatcher<MessageBase>::Dispatch(const MessageBase& a_Message) {
-	MessageIdType type = a_Message.GetId();
+	for (auto& handler : m_Handlers) {
-	for (auto& handler : m_Handlers[type]) {
+		a_Message.Dispatch(*handler.lock());
-		a_Message.Dispatch(*handler);
 	}
 }
 

test/test_message.cpp

@@ -61,10 +61,9 @@ int main() {
 
 	// dispatch tests
 
-	MyHandler h;
+	auto h = std::make_shared<MyHandler>();
 	PacketDispatcher d;
-	d.RegisterHandler(PacketID::KeepAlive, &h);
+	d.RegisterHandler(h);
-	d.RegisterHandler(PacketID::MDC, &h);
 	d.Dispatch(m);
 	PacketFactory f;
 	auto message = f.CreateMessage(PacketID::KeepAlive);