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/*
* Copyright © 2012 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 3,
* as published by the Free Software Foundation.
*
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Alan Griffiths <alan@octopull.co.uk>
*/
#ifndef MIR_CLIENT_MIR_SOCKET_RPC_CHANNEL_H_
#define MIR_CLIENT_MIR_SOCKET_RPC_CHANNEL_H_
#include "mir_basic_rpc_channel.h"
#include "mir_logger.h"
#include "mir/events/event_sink.h"
#include <boost/asio.hpp>
#include <google/protobuf/service.h>
#include <google/protobuf/descriptor.h>
#include <thread>
#include <iosfwd>
namespace mir
{
namespace protobuf
{
namespace wire
{
class Invocation;
class Result;
}
}
namespace client
{
class MirSocketRpcChannel : public MirBasicRpcChannel
{
public:
MirSocketRpcChannel();
MirSocketRpcChannel(const std::string& endpoint, const std::shared_ptr<Logger>& log);
~MirSocketRpcChannel();
void set_event_handler(events::EventSink *sink);
private:
virtual void CallMethod(const google::protobuf::MethodDescriptor* method, google::protobuf::RpcController*,
const google::protobuf::Message* parameters, google::protobuf::Message* response,
google::protobuf::Closure* complete);
std::shared_ptr<Logger> log;
detail::PendingCallCache pending_calls;
std::thread io_service_thread;
boost::asio::io_service io_service;
boost::asio::io_service::work work;
boost::asio::local::stream_protocol::endpoint endpoint;
boost::asio::local::stream_protocol::socket socket;
static size_t const size_of_header = 2;
unsigned char header_bytes[size_of_header];
void receive_file_descriptors(google::protobuf::Message* response, google::protobuf::Closure* complete);
void send_message(const std::string& body, detail::SendBuffer& buffer);
void on_message_sent(const boost::system::error_code& error);
void on_header_read(const boost::system::error_code& error);
void read_message();
void process_event_sequence(std::string const& event);
size_t read_message_header();
mir::protobuf::wire::Result read_message_body(const size_t body_size);
events::EventSink *event_handler;
};
}
}
#endif /* MIR_CLIENT_MIR_SOCKET_RPC_CHANNEL_H_ */
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