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path: root/src/lib/server/ClientProxy1_6.cpp
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/*
 * barrier -- mouse and keyboard sharing utility
 * Copyright (C) 2015-2016 Symless Ltd.
 * 
 * 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 "server/ClientProxy1_6.h"

#include "server/Server.h"
#include "barrier/ProtocolUtil.h"
#include "barrier/StreamChunker.h"
#include "barrier/ClipboardChunk.h"
#include "io/IStream.h"
#include "base/TMethodEventJob.h"
#include "base/Log.h"

//
// ClientProxy1_6
//

ClientProxy1_6::ClientProxy1_6(const String& name, barrier::IStream* stream, Server* server, IEventQueue* events) :
    ClientProxy1_5(name, stream, server, events),
    m_events(events)
{
    m_events->adoptHandler(m_events->forClipboard().clipboardSending(),
                                this,
                                new TMethodEventJob<ClientProxy1_6>(this,
                                    &ClientProxy1_6::handleClipboardSendingEvent));
}

ClientProxy1_6::~ClientProxy1_6()
{
}

void
ClientProxy1_6::setClipboard(ClipboardID id, const IClipboard* clipboard)
{
    // ignore if this clipboard is already clean
    if (m_clipboard[id].m_dirty) {
        // this clipboard is now clean
        m_clipboard[id].m_dirty = false;
        Clipboard::copy(&m_clipboard[id].m_clipboard, clipboard);

        String data = m_clipboard[id].m_clipboard.marshall();

        size_t size = data.size();
        LOG((CLOG_DEBUG "sending clipboard %d to \"%s\"", id, getName().c_str()));

        StreamChunker::sendClipboard(data, size, id, 0, m_events, this);
    }
}

void
ClientProxy1_6::handleClipboardSendingEvent(const Event& event, void*)
{
    ClipboardChunk::send(getStream(), event.getData());
}

bool
ClientProxy1_6::recvClipboard()
{
    // parse message
    static String dataCached;
    ClipboardID id;
    UInt32 seq;

    int r = ClipboardChunk::assemble(getStream(), dataCached, id, seq);

    if (r == kStart) {
        size_t size = ClipboardChunk::getExpectedSize();
        LOG((CLOG_DEBUG "receiving clipboard %d size=%d", id, size));
    }
    else if (r == kFinish) {
        LOG((CLOG_DEBUG "received client \"%s\" clipboard %d seqnum=%d, size=%d",
                getName().c_str(), id, seq, dataCached.size()));
        // save clipboard
        m_clipboard[id].m_clipboard.unmarshall(dataCached, 0);
        m_clipboard[id].m_sequenceNumber = seq;
        
        // notify
        ClipboardInfo* info = new ClipboardInfo;
        info->m_id = id;
        info->m_sequenceNumber = seq;
        m_events->addEvent(Event(m_events->forClipboard().clipboardChanged(),
                                 getEventTarget(), info));
    }

    return true;
}