private void buttonConnect_Click(object sender, EventArgs e)
{
if (this._bIsConnected == false)
{
DisplayMessageTx del = DisplayMessage;
EndTransferToServer endDel = EndTransferToServer;
EndConnectToServer connectDel = ConnectDisconnect;
SetServerIPAddress delSetServerIP = SetServerIP;
this.Enabled = false;
IPAddress address;
if ((_serverIPAddress != null) && (IPAddress.TryParse(_serverIPAddress, out address) == true))
{
_client = new Client(this, _serverIPAddress, del, endDel, connectDel, delSetServerIP, false);
}
else
{
this.Enabled = true;
return;
}
}
else
{
if (_client != null)
{
this.Enabled = false;
_client.DestroyClient();
}
richTextBoxMessage.Clear();
textBoxCommands.Clear();
}
}
public Client(Form1 form, string serverIP, DisplayMessageTx displayDelegate, EndTransferToServer endDelegate,
EndConnectToServer connectDelegate, SetServerIPAddress serverIPDelegate, bool bDiscover)
{
_parentForm = form;
_displayDelegate = displayDelegate;
_endTransferDelegate = endDelegate;
_connectDelegate = connectDelegate;
_setServerIP = serverIPDelegate;
_serverIPAddress = serverIP;
// Get directory of job
_directoryWork = Directory.GetCurrentDirectory();
// Create thread
_threadClient = new Thread(new ThreadStart(ClientThreadFunction));
_threadClient.Name = "Client Thread";
_threadClient.Start();
// Create thread that listen for server remote commands
_threadListenFromServer = new Thread(new ThreadStart(ClientListenServerThread));
_threadListenFromServer.Name = "Client Listen from Server";
_threadListenFromServer.Start();
try
{
// How enable port forwarding
NATUPNPLib.UPnPNATClass upnpnat = new NATUPNPLib.UPnPNATClass();
_mappingsPort = upnpnat.StaticPortMappingCollection;
// Open a UDP Port to forward to a specific Computer on the Private Network
_mappingsPort.Add(_numberOfPortToListen, "TCP", _numberOfPortToListen, GetLocalIPAddress(), true, "Client TCP");
}
catch (Exception excp)
{
MessageBox.Show("Impossible discover server because port " + _numberOfPortToListen + " is already occupied", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
// Send information to form
_parentForm.Invoke(this._connectDelegate, (object)false);
return;
}
// Get client public ip
_clientPublicAddress = GetPublicIPAddress();
if (bDiscover == true)
{
}
else
{
// Start initialization
_eventHandle[0].Set();
}
}
private void ServerForm_Load(object sender, EventArgs e)
{
this.Enabled = false;
StartStopServer dele = this.ActionStartStop;
ServerMessageReceived messageReceived = this.ServerCommandReceived;
ServerMessageResponse messageResponse = this.ServerCommandResponse;
AddClientsToServer addClient = this.AddClientToServer;
RemoveClientsToServer removeClient = this.RemoveClientToServer;
SetServerIPAddress serverIP = this.DisplayServerIP;
_server = new Server(this, dele, messageReceived, messageResponse, addClient, removeClient, serverIP);
this.Enabled = true;
}
// Constructor
public Server(ServerForm form, StartStopServer del, ServerMessageReceived action,
ServerMessageResponse actionResponse, AddClientsToServer addClient,
RemoveClientsToServer removeClient, SetServerIPAddress serverIPDelegate)
{
// Create thread
_serverThread = new Thread(new ThreadStart(ServerMainThreadFunction));
_serverThread.Name = "Server Main Thread";
_serverThread.Start();
// Create thread for UDP connection
_threadSendToClient = new Thread(new ThreadStart(ThreadReceiveResponse));
_threadSendToClient.Name = "Server Thread Listener";
_threadSendToClient.Start();
_parentForm = form;
_endActionDelegate = del;
_messageReceivedAction = action;
_messageResponseAction = actionResponse;
_addClientDelegate = addClient;
_removeClientDelegate = removeClient;
_displayServerIP = serverIPDelegate;
// Get directory of job
_directoryWork = Directory.GetCurrentDirectory();
// Get local IP address
_serverIPAddress = GetPublicIPAddress();
_parentForm.Invoke(_displayServerIP, (object)_serverIPAddress);
// How enable port forwarding
NATUPNPLib.UPnPNATClass upnpnat = new NATUPNPLib.UPnPNATClass();
_mappingsPort = upnpnat.StaticPortMappingCollection;
GetLocalIPAddress();
try
{
_mappingsPort.Add(_numberOfPortToListen, "TCP", _numberOfPortToListen, GetLocalIPAddress(), true, "CNC TCP Server");
}
catch (Exception excp)
{
MessageBox.Show(excp.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
// Send action
_parentForm.Invoke(this._endActionDelegate, (object)false);
return;
}
}
