private void ProcessClient(ConnectedPeerDataContainer client)
{
int _messageType = 0;
PrimaryCommands _primaryCommand;
string _clientSocketRemoteEndPointString = client.socket.RemoteEndPoint.ToString();
string _ip = _clientSocketRemoteEndPointString.Remove(_clientSocketRemoteEndPointString.LastIndexOf(':'));
string _nick = client.nick;
Socket _peerSocket = client.socket;
Dispatcher.Invoke(DispatcherPriority.Normal, (Action)(() => { AddNewTab(client.nick, _clientSocketRemoteEndPointString.Remove(_clientSocketRemoteEndPointString.LastIndexOf(':'))); }));
WriteToLogbox("Connected to- " + _ip);
try {
string _message;
int _size;
while (_peerSocket.Connected)
{
if (!Network.NetworkCommunicationManagers.ReceiveDecodedIntOverSocket(_peerSocket, client.key, out _messageType))
{
break;
}
_primaryCommand = (PrimaryCommands)_messageType;
switch (_primaryCommand)
{
case PrimaryCommands.TextMessage:
if (!Network.NetworkCommunicationManagers.ReceiveDecodedIntOverSocket(_peerSocket, client.key, out _size))
{
break;
}
if (!Network.NetworkCommunicationManagers.ReceiveDecodedStringOverSocket(_peerSocket, client.key, out _message, _size))
{
break;
}
Dispatcher.Invoke(DispatcherPriority.Normal, (Action)(() => { WriteToTab(_ip, _message, _nick, 1); }));
WriteToLogbox("Message Received- " + _nick + " (" + _clientSocketRemoteEndPointString + ") : " + _message);
break;
case PrimaryCommands.FileTransfer:
int _port1;
Network.NetworkCommunicationManagers.ReceiveIntOverSocket(_peerSocket, out _port1);
FileTransferContainer fileTransferContainer = new FileTransferContainer()
{
status = FileTransferStatus.Running,
fileName = "(Fetching....)",
ID = _nick + " (" + _ip + ")",
progress = 0,
size = "(Fetching....)",
transferType = FileTransferType.Download,
pausedBy = PausedBy.None,
};
Dispatcher.Invoke(DispatcherPriority.Normal, (Action)(() => {
lock (RunningTransfers) {
RunningTransfers.Add(fileTransferContainer);
}
}));
Thread _thread = new Thread(() => {
if (!(new Network.FileTransfer(fileTransferContainer)).AcceptFileTransfer(_peerSocket, _port1, this))
{
WriteToLogbox("File Transfer from " + _nick + " (" + _clientSocketRemoteEndPointString + ") failed");
lock (fileTransferContainer) {
if (fileTransferContainer.status != FileTransferStatus.Cancelled)
{
fileTransferContainer.status = FileTransferStatus.Error;
}
}
}
else
{
WriteToLogbox("File Transfer from " + _nick + " (" + _clientSocketRemoteEndPointString + ") done");
lock (fileTransferContainer) {
fileTransferContainer.status = FileTransferStatus.Finished;
}
}
});
_thread.Name = "File Transfer from " + _clientSocketRemoteEndPointString;
_thread.IsBackground = true;
_thread.Start();
break;
default:
_message = "Invalid MessageCode Received. The other client is most probably running a newer version of the application with a new Feature.. !!";
Dispatcher.Invoke(DispatcherPriority.Normal, (Action)(() => { WriteToTab(_ip, _message, _nick, 0); }));
WriteToLogbox("Unsupported MessageCode from- " + _nick + " (" + _clientSocketRemoteEndPointString + ") received");
Network.NetworkCommunicationManagers.Disconnect(_peerSocket);
new Thread(() => ConnectToPeerByIP(_ip))
{
Name = _ip + " handler", IsBackground = true
}.Start();
try
{
connectedPeersList.Remove(client);
}
catch (Exception) { }
Dispatcher.Invoke(DispatcherPriority.Normal, (Action)(() => { WriteToTab(_ip, "Attempting to reconnect", _nick, 0); }));
WriteToLogbox("Attempting to reconnect- " + _ip);
Dispatcher.Invoke(DispatcherPriority.Normal, (Action)(() => { WriteToTab(_ip, "Disconnected", _nick, 0); }));
WriteToLogbox("Disconnected- " + _ip);
return;
}
}
connectedPeersList.Remove(client);
}
catch (Exception) {
try {
connectedPeersList.Remove(client);
}
catch (Exception) { }
}
Dispatcher.Invoke(DispatcherPriority.Normal, (Action)(() => { WriteToTab(_ip, "Disconnected", _nick, 0); }));
WriteToLogbox("Disconnected- " + _ip);
}
private void SendFileButtonClicked(object sender, RoutedEventArgs e)
{
Button _btn = ((Button)sender);
string _buttonTag = (string)_btn.Tag;
string _ip = _buttonTag.Remove(0, _buttonTag.IndexOf(':') + 1);
string _nick = _buttonTag.Remove(_buttonTag.IndexOf(':'));
ConnectedPeerDataContainer _peer = new ConnectedPeerDataContainer();
_peer.nick = "";
_peer.socket = null;
foreach (ConnectedPeerDataContainer _connectedPeer in connectedPeersList)
{
string _connectedPeerSocketString = _connectedPeer.socket.RemoteEndPoint.ToString();
if (_connectedPeerSocketString.Remove(_connectedPeerSocketString.LastIndexOf(':')) == _ip)
{
_peer = _connectedPeer;
break;
}
}
if (_peer.socket == null)
{
WriteToTab(_ip, "Client not available", nick, 0);
return;
}
Microsoft.Win32.OpenFileDialog dlg = new Microsoft.Win32.OpenFileDialog();
// Display OpenFileDialog by calling ShowDialog method
Nullable <bool> result = dlg.ShowDialog();
// Get the selected file name and display in a TextBox
if ((result.HasValue && result.Value))
{
string _filePath = dlg.FileName;
FileTransferContainer fileTransferContainer = new FileTransferContainer()
{
fileName = System.IO.Path.GetFileName(_filePath),
ID = _peer.nick + " (" + _ip + ")",
progress = 0,
status = FileTransferStatus.Running,
transferType = FileTransferType.Upload,
pausedBy = PausedBy.None,
};
using (System.IO.FileStream _fs = new System.IO.FileStream(_filePath, System.IO.FileMode.Open, System.IO.FileAccess.Read, System.IO.FileShare.ReadWrite)) {
fileTransferContainer.sizeInBytes = _fs.Length;
fileTransferContainer.size = Converters.DataConverter.bytesToReadableString(fileTransferContainer.sizeInBytes);
}
lock (RunningTransfers) {
RunningTransfers.Add(fileTransferContainer);
}
Thread _thread = new Thread(() => {
Network.NetworkCommunicationManagers.SendEncryptedIntOverSocket(_peer.socket, _peer.key, (int)PrimaryCommands.FileTransfer);
int _port1 = Network.NetworkCommunicationManagers.FindNextFreeTcpPort();
if (!Network.NetworkCommunicationManagers.SendIntOverSocket(_peer.socket, _port1))
{
WriteToLogbox("Failed to send file (Handshake Failed)");
lock (RunningTransfers) {
fileTransferContainer.status = FileTransferStatus.Error;
}
return;
}
;
new Network.FileTransfer(fileTransferContainer, _filePath, _port1);
});
_thread.Name = "File Transfer Handler";
_thread.IsBackground = true;
_thread.Start();
}
}
