deskflow/src/lib/ipc/IpcClient.cpp

/*
 * synergy -- mouse and keyboard sharing utility
 * Copyright (C) 2012-2016 Symless Ltd.
 * Copyright (C) 2012 Nick Bolton
 *
 * This package is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * found in the file LICENSE that should have accompanied this file.
 *
 * This package 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/>.
 */

#include "ipc/IpcClient.h"
#include "base/TMethodEventJob.h"
#include "ipc/Ipc.h"
#include "ipc/IpcMessage.h"
#include "ipc/IpcServerProxy.h"

//
// IpcClient
//

IpcClient::IpcClient(IEventQueue *events, SocketMultiplexer *socketMultiplexer)
    : m_serverAddress(NetworkAddress(IPC_HOST, IPC_PORT)),
      m_socket(events, socketMultiplexer),
      m_server(nullptr),
      m_events(events) {
  init();
}

IpcClient::IpcClient(
    IEventQueue *events, SocketMultiplexer *socketMultiplexer, int port)
    : m_serverAddress(NetworkAddress(IPC_HOST, port)),
      m_socket(events, socketMultiplexer),
      m_server(nullptr),
      m_events(events) {
  init();
}

void IpcClient::init() { m_serverAddress.resolve(); }

IpcClient::~IpcClient() {}

void IpcClient::connect() {
  m_events->adoptHandler(
      m_events->forIDataSocket().connected(), m_socket.getEventTarget(),
      new TMethodEventJob<IpcClient>(this, &IpcClient::handleConnected));

  m_socket.connect(m_serverAddress);
  m_server = new IpcServerProxy(m_socket, m_events);

  m_events->adoptHandler(
      m_events->forIpcServerProxy().messageReceived(), m_server,
      new TMethodEventJob<IpcClient>(this, &IpcClient::handleMessageReceived));
}

void IpcClient::disconnect() {
  m_events->removeHandler(
      m_events->forIDataSocket().connected(), m_socket.getEventTarget());
  m_events->removeHandler(
      m_events->forIpcServerProxy().messageReceived(), m_server);

  m_server->disconnect();
  delete m_server;
  m_server = nullptr;
}

void IpcClient::send(const IpcMessage &message) {
  assert(m_server != nullptr);
  m_server->send(message);
}

void IpcClient::handleConnected(const Event &, void *) {
  m_events->addEvent(Event(
      m_events->forIpcClient().connected(), this, m_server,
      Event::kDontFreeData));

  IpcHelloMessage message(kIpcClientNode);
  send(message);
}

void IpcClient::handleMessageReceived(const Event &e, void *) {
  Event event(m_events->forIpcClient().messageReceived(), this);
  event.setDataObject(e.getDataObject());
  m_events->addEvent(event);
}