init

src/client/game/demonware/service.hpp

@@ -0,0 +1,89 @@
+#pragma once
+#include <utils/string.hpp>
+#include "servers/service_server.hpp"
+
+namespace demonware
+{
+	class service
+	{
+		using callback_t = std::function<void(service_server*, byte_buffer*)>;
+
+		uint8_t id_;
+		std::string name_;
+		std::mutex mutex_;
+		uint8_t task_id_;
+		std::map<uint8_t, callback_t> tasks_;
+
+	public:
+		virtual ~service() = default;
+		service(service&&) = delete;
+		service(const service&) = delete;
+		service& operator=(const service&) = delete;
+
+		service(const uint8_t id, std::string name) : id_(id), name_(std::move(name)), task_id_(0)
+		{
+		}
+
+		uint8_t id() const
+		{
+			return this->id_;
+		}
+
+		const std::string& name() const
+		{
+			return this->name_;
+		}
+
+		uint8_t task_id() const
+		{
+			return this->task_id_;
+		}
+
+		virtual void exec_task(service_server* server, const std::string& data)
+		{
+			std::lock_guard<std::mutex> _(this->mutex_);
+
+			byte_buffer buffer(data);
+
+			buffer.read_byte(&this->task_id_);
+
+			const auto& it = this->tasks_.find(this->task_id_);
+
+			if (it != this->tasks_.end())
+			{
+#ifdef DEBUG
+				printf("[DW] %s: executing task '%d'\n", name_.data(), this->task_id_);
+#endif
+
+				it->second(server, &buffer);
+			}
+			else
+			{
+				printf("[DW] %s: missing task '%d'\n", name_.data(), this->task_id_);
+
+				// return no error
+				server->create_reply(this->task_id_)->send();
+			}
+		}
+
+	protected:
+
+		template <typename Class, typename T, typename... Args>
+		void register_task(const uint8_t id, T (Class::* callback)(Args ...) const)
+		{
+			this->tasks_[id] = [this, callback](Args ... args) -> T
+			{
+				return (reinterpret_cast<Class*>(this)->*callback)(args...);
+			};
+		}
+
+		template <typename Class, typename T, typename... Args>
+		void register_task(const uint8_t id, T (Class::* callback)(Args ...))
+		{
+			this->tasks_[id] = [this, callback](Args ... args) -> T
+			{
+				return (reinterpret_cast<Class*>(this)->*callback)(args...);
+			};
+		}
+	};
+}