/*
 * barrier -- 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 "ipc/Ipc.h"
#include "ipc/IpcServerProxy.h"
#include "ipc/IpcMessage.h"
#include "base/TMethodEventJob.h"

//
// IpcClient
//

IpcClient::IpcClient(IEventQueue* events, SocketMultiplexer* socketMultiplexer) :
    m_serverAddress(NetworkAddress(IPC_HOST, IPC_PORT)),
    m_socket(events, socketMultiplexer, IArchNetwork::kINET),
    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, IArchNetwork::kINET),
    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);
}
