public void RequestFileTransfer(string sender, string remoteFilename, string localFilename)
{
CCBP2PFileWorker fileWorker = GetFileWorker();
fileWorker.PrepareInFile(sender, m_uid, remoteFilename, localFilename);
QueueCommand(new CCBNetworkerCommandData(CCBNetworkerCommand.nwc_requestFileTransfer, sender, remoteFilename));
m_filexferSignal.Set();
}
private bool CheckFileWorkerForErrors(CCBP2PFileWorker fileworker)
{
string sender = null;
string recipient = null;
string filename = fileworker.HasErrorFile(ref sender, ref recipient);
if (null != filename)
{
m_clientChannel.OnFileError(sender, recipient, filename);
return(true);
}
return(false);
}
public CCBP2PNetworker()
{
m_working = true;
m_commandList = new Queue <CCBNetworkerCommandData>();
m_closeSignal = new ManualResetEvent(false);
m_filexferSignal = new ManualResetEvent(false);
m_cmdSignal = new AutoResetEvent(false);
m_worker = new Thread(new ThreadStart(Listener));
m_factory = null;
m_clientChannel = null;
m_fileWorker = null;
m_peer = new CeebeetlePeerImpl();
m_peer.PingCallback = new CeebeetlePeerImpl.OnPingedD(PingCallback);
m_peer.FileTransferResponseCallback = new CeebeetlePeerImpl.OnFileTransferResponseD(OnFileTransferResponse);
m_onFileDone = null;
m_selectStoreCallback = null;
}
private void OnFileTransferResponse(string recipient, string filename, bool accept)
{
if (accept)
{
CCBP2PFileWorker fileWorker = GetFileWorker();
fileWorker.FileRequested(m_uid, recipient, filename);
m_filexferSignal.Set();
}
else
{
//If transfer was canceled and we haven't started the fileworker, no need to do so now.
if (null != m_fileWorker)
{
m_fileWorker.FileCanceled(recipient, filename);
}
}
}
private CCBP2PFileWorker GetFileWorker()
{
CCBP2PFileWorker fileWorker = m_fileWorker;
//Accessing fileworker from multiple threads, so use singleton pattern.
if (null == fileWorker)
{
lock (this)
{
if (null == m_fileWorker)
{
m_fileWorker = new CCBP2PFileWorker(m_closeSignal);
m_peer.AddListener(m_fileWorker);
}
fileWorker = m_fileWorker;
fileWorker.OnFileTransferDoneCallback = m_onFileDone;
}
}
return(fileWorker);
}
public void Stop()
{
m_closeSignal.Set();
if (null != m_fileWorker)
{
if (null != m_peer)
{
m_peer.RemoveListener(m_fileWorker);
}
m_fileWorker.Stop();
m_fileWorker = null;
}
if (m_worker.IsAlive)
{
m_worker.Join();
}
if (null != m_host)
{
m_host.Close();
m_host = null;
}
}
public void Listener()
{
WaitHandle[] waitors = new WaitHandle[3] {
m_closeSignal, m_cmdSignal, m_filexferSignal
};
if (null == m_host)
{
m_host = new ServiceHost(this);
m_host.Open();
}
while (m_working)
{
int ixSig = WaitHandle.WaitAny(waitors);
if (0 == ixSig)
{
break;
}
else if (1 == ixSig)
{
ExecuteNextCommand();
}
else if ((2 == ixSig) && (null != m_clientChannel))
{
CCBP2PFileWorker fileWorker = GetFileWorker();
string fileToSend = fileWorker.HasUploadWork();
if (null != fileToSend)
{
CCBP2PFileDataEnvelope dataTosend = null;
int cb = fileWorker.RetrieveDataToSend(fileToSend, ref dataTosend);
byte[] hash = null;
string recipient = null;
if ((0 != cb) && (null != dataTosend))
{
try
{
Debug(string.Format("Sending {0} bytes from {1}", cb, dataTosend.m_localFileName));
m_clientChannel.SendFileData(m_uid, dataTosend.m_recipient, dataTosend.m_localFileName, dataTosend.m_start, dataTosend.m_bytes);
fileWorker.MarkDataSent(fileToSend, dataTosend);
if (fileWorker.IsSent(fileToSend, ref hash, ref recipient))
{
m_clientChannel.OnFileComplete(m_uid, recipient, dataTosend.m_localFileName, hash);
fileWorker.FileFinalized(fileToSend);
}
}
catch (CommunicationException commEx)
{
Error("Exception sending file data: " + commEx.Message);
fileWorker.FileOnError(fileToSend);
}
catch (Exception ex)
{
Error("Exception sending file data: " + ex.Message);
fileWorker.FileOnError(fileToSend);
}
}
else if (fileWorker.IsSent(fileToSend, ref hash, ref recipient))
{
m_clientChannel.OnFileComplete(m_uid, recipient, fileToSend, hash);
fileWorker.FileFinalized(fileToSend);
}
}
if (fileWorker.HasWork())
{
if (m_closeSignal.WaitOne(73))
{
break;
}
while (CheckFileWorkerForErrors(fileWorker))
{
if (m_closeSignal.WaitOne(0))
{
break;
}
}
}
else
{
m_filexferSignal.Reset();
}
}
else
{
Fatal(string.Format("Error return waiting for handles in networker: {0}", ixSig));
}
}
Close();
m_peer.OnDisconnected();
Debug("Chat listener thread exiting.");
}
