/usr/include/autobahn/wamp_websocket_transport.hpp is in autobahn-cpp-dev 17.5.1+git7cc5d37-2.
This file is owned by root:root, with mode 0o644.
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//
// Copyright (c) Crossbar.io Technologies GmbH and contributors and contributors.
//
// Boost Software License - Version 1.0 - August 17th, 2003
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
///////////////////////////////////////////////////////////////////////////////
#ifndef AUTOBAHN_WEBSOCKET_TRANSPORT_HPP
#define AUTOBAHN_WEBSOCKET_TRANSPORT_HPP
#include "boost_config.hpp"
#include "wamp_transport.hpp"
#include <boost/asio/io_service.hpp>
#include <cstddef>
#include <memory>
#include <msgpack.hpp>
namespace autobahn {
class wamp_message;
class wamp_transport_handler;
/*!
* A class that represents a base websocket transport
*
* Unlike raw socket base class, there is nothing to share about underlying websocket,
* It is completely up to derived class to handle specific websocket implementation
*/
class wamp_websocket_transport :
public wamp_transport,
public std::enable_shared_from_this<wamp_websocket_transport>
{
public:
/*!
* Constructs a websocket transport.
*
* @param uri The remote endpoint to connect to.
*/
wamp_websocket_transport(
const std::string& uri,
bool debug_enabled = false);
virtual ~wamp_websocket_transport() override = default;
/*
* CONNECTION INTERFACE
*/
/*!
* @copydoc wamp_transport::connect()
*/
virtual boost::future<void> connect() override;
/*!
* @copydoc wamp_transport::disconnect()
*/
virtual boost::future<void> disconnect() override;
/*!
* @copydoc wamp_transport::is_connected()
*/
virtual bool is_connected() const override;
/*
* SENDER INTERFACE
*/
/*!
* @copydoc wamp_transport::send_message()
*/
virtual void send_message(wamp_message&& message) override;
/*!
* @copydoc wamp_transport::set_pause_handler()
*/
virtual void set_pause_handler(pause_handler&& handler) override;
/*!
* @copydoc wamp_transport::set_resume_handler()
*/
virtual void set_resume_handler(resume_handler&& handler) override;
/*
* RECEIVER INTERFACE
*/
/*!
* Pause receiving of messages. This will prevent the transport from receiving
* any more messages until it has been resumed. This is used to excert
* backpressure on the sending peer.
*/
virtual void pause() override;
/*!
* Resume receiving of messages. The transport will now begin receiving messsages
* again and lift backpressure from the sending peer.
*/
virtual void resume() override;
/*!
* @copydoc wamp_transport::attach()
*/
virtual void attach(
const std::shared_ptr<wamp_transport_handler>& handler) override;
/*!
* @copydoc wamp_transport::detach()
*/
virtual void detach() override;
/*!
* @copydoc wamp_transport::has_handler()
*/
virtual bool has_handler() const override;
protected:
virtual bool is_open() const = 0;
virtual void async_connect(const std::string& m_uri, boost::promise<void>& connect_promise) = 0;
virtual void close() = 0;
virtual void write(void const * payload, size_t len) = 0;
void receive_message(const std::string& msg);
/*!
* The promise that is fulfilled when the connect attempt is complete.
*/
boost::promise<void> m_connect;
/*!
* The promise that is fulfilled when the disconnect attempt is complete.
*/
boost::promise<void> m_disconnect;
private:
private:
/*!
* The handler to be called when pausing.
*/
pause_handler m_pause_handler;
/*!
* The handler to be called when resuming.
*/
resume_handler m_resume_handler;
/*!
* The transport handler to be notified of events/messages.
*/
std::shared_ptr<wamp_transport_handler> m_handler;
/*!
* Used for unpacking serialized messages.
*/
msgpack::unpacker m_message_unpacker;
/*!
* Whether or not debugging is enabled.
*/
bool m_debug_enabled;
/*!
* Websocket endpoint URI
*/
std::string m_uri;
};
} // namespace autobahn
#include "wamp_websocket_transport.ipp"
#endif // AUTOBAHN_WEBSOCKET_TRANSPORT_HPP
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