private void ServerRoutine(int ListenPort)
{
try
{
IPEndPoint listenIPEndPoint = new IPEndPoint(IPAddress.Any, ListenPort);
Socket listenSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
listenSocket.Bind(listenIPEndPoint);
listenSocket.Listen(10);
MessageBox.Show(String.Format("Start hosting accepting {0} IP,{1} port", listenIPEndPoint.Address, listenIPEndPoint.Port));
while (true)
{
Socket clientSocket = listenSocket.Accept();
try
{
Task.Run(() => ServeOneClient(clientSocket));
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
NetOps.SendReply(ex.Message, clientSocket);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void BtnPull_Click(object sender, EventArgs e)
{
FileStream receivedFileStream = null;
FileStream undoFile = null;
try
{
NetOps.SendAcknowledgement(NetOps.SignalPull, clientSocket);
string pulledFileName = PulledFileName;
NetOps.ReceiveFile(clientSocket, ref pulledFileName);
//pulledFileName = new FileStream(pulledFileName, FileMode.Open);
//undoFile = new FileStream(UndoFileName, FileMode.Create); //OpenOrCreate if pull dont delete client work
//CopyStream(undoFile, receivedFileStream);
ClearCanvasAndState(pulledFileName);
//DrawAllFileFiguresAndRefreshCount(receivedFileStream, out undoFiguresCount);//может лучше рисовать все фигуры принитого файла и сериализовать их а не аппендить файл и рисовать полученнный?
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
finally
{
if (receivedFileStream != null)
{
receivedFileStream.Dispose();
}
if (undoFile != null)
{
undoFile.Dispose();
}
}
}
private void BtnDisconnect_Click(object sender, EventArgs e)
{
try
{
NetOps.SendAcknowledgement(NetOps.SignalDisconnect, clientSocket);
clientSocket.Disconnect(true);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void BtnCommit_Click(object sender, EventArgs e)
{
try
{
NetOps.SendAcknowledgement(NetOps.SignalCommit, clientSocket);
NetOps.SendFile(UndoFileName, clientSocket);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
private void ServeOneClient(Socket clientServeSocket)
{
bool isServeEnd = false;
int clientSignal = NetOps.SignalDisconnect;
byte[] buf = new byte[1024];
IPEndPoint clientEP = (IPEndPoint)clientServeSocket.RemoteEndPoint;
MessageBox.Show(String.Format("Connected with {0} at port {1}", clientEP.Address, clientEP.Port));
while (!isServeEnd)
{
try
{
clientSignal = NetOps.GetAcknowlegment(clientServeSocket);
switch (clientSignal)
{
case NetOps.SignalDisconnect:
isServeEnd = true;
MessageBox.Show(String.Format("Client ip {0} at port {1} disconnect", clientEP.Address, clientEP.Port));
clientServeSocket.Disconnect(false);
clientServeSocket.Dispose();
break;
case NetOps.SignalPull:
NetOps.SendFile(UndoFileName, clientServeSocket);
break;
case NetOps.SignalCommit:
string receivedFileName = ReceivedFileName;
NetOps.ReceiveFile(clientServeSocket, ref receivedFileName);
CommitFile(receivedFileName);
FileStream undoFile = new FileStream(UndoFileName, FileMode.OpenOrCreate);
DrawAllFileFiguresAndRefreshCount(undoFile, out undoFiguresCount);
undoFile.Dispose();
break;
default:
NetOps.SendAcknowledgement(NetOps.SignalError, clientServeSocket);
break;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
NetOps.SendAcknowledgement(NetOps.SignalError, clientServeSocket);
NetOps.SendReply(ex.Message, clientServeSocket);
}
}
}
