add dummy control session for websockets

server/control_session_tcp.hpp

@@ -0,0 +1,52 @@
+/***
+    This file is part of snapcast
+    Copyright (C) 2014-2019  Johannes Pohl
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+***/
+
+#ifndef CONTROL_SESSION_TCP_HPP
+#define CONTROL_SESSION_TCP_HPP
+
+#include "control_session.hpp"
+
+/// Endpoint for a connected control client.
+/**
+ * Endpoint for a connected control client.
+ * Messages are sent to the client with the "send" method.
+ * Received messages from the client are passed to the ControlMessageReceiver callback
+ */
+class ControlSessionTcp : public ControlSession
+{
+public:
+    /// ctor. Received message from the client are passed to MessageReceiver
+    ControlSessionTcp(ControlMessageReceiver* receiver, tcp::socket&& socket);
+    ~ControlSessionTcp() override;
+    void start() override;
+    void stop() override;
+
+    /// Sends a message to the client (synchronous)
+    bool send(const std::string& message) override;
+
+    /// Sends a message to the client (asynchronous)
+    void sendAsync(const std::string& message) override;
+
+protected:
+    void do_read();
+    asio::streambuf streambuf_;
+};
+
+
+
+#endif