Implement a basic websockets server

common/net/websocket_server.h

@@ -0,0 +1,63 @@
+#pragma once
+
+#include "websocket_server_connection.h"
+
+#include "../json/json.h"
+#include <memory>
+#include <functional>
+#include <exception>
+
+namespace EQ
+{
+	namespace Net
+	{
+		struct WebsocketLoginStatus
+		{
+			bool logged_in;
+			std::string account_name;
+			uint32 account_id;
+			int status;
+		};
+
+		class WebsocketException : public std::exception
+		{
+		public:
+			WebsocketException(const std::string &msg)
+				: _msg(msg.empty() ? "Unknown Error" : msg) { }
+
+			~WebsocketException() throw() {}
+
+			virtual char const *what() const throw() {
+				return _msg.c_str();
+			}
+		private:
+			const std::string _msg;
+		};
+
+		class WebsocketServer
+		{
+		public:
+			typedef std::function<Json::Value(WebsocketServerConnection*, const Json::Value&)> MethodHandler;
+			typedef std::function<WebsocketLoginStatus(WebsocketServerConnection*, const std::string&, const std::string&)> LoginHandler;
+
+			WebsocketServer(const std::string &addr, int port);
+			~WebsocketServer();
+			
+			void SetMethodHandler(const std::string& method, MethodHandler handler, int required_status);
+			void SetLoginHandler(LoginHandler handler);
+			void DispatchEvent(const std::string& evt, Json::Value data = Json::Value(), int required_status = 0);
+		private:
+			void ReleaseConnection(WebsocketServerConnection *connection);
+			Json::Value HandleRequest(WebsocketServerConnection *connection, const std::string& method, const Json::Value &params);
+
+			Json::Value Login(WebsocketServerConnection *connection, const Json::Value &params);
+			Json::Value Subscribe(WebsocketServerConnection *connection, const Json::Value &params);
+			Json::Value Unsubscribe(WebsocketServerConnection *connection, const Json::Value &params);
+
+			struct Impl;
+			std::unique_ptr<Impl> _impl;
+
+			friend class WebsocketServerConnection;
+		};
+	}
+}