public void Connect(string ip, int port)
{
try
{
// Read the IP address
IPAddress serverIpAddress;
if (!IPAddress.TryParse(ip, out serverIpAddress))
{
Console.WriteLine("Invalid IP address: " + ip);
return;
}
// Begin connecting to the remote IP
ClientSocket = new SimpleClientTcpSocket();
ClientSocket.ConnectCompleted += ClientSocket_ConnectCompleted;
ClientSocket.PacketArrived += ClientSocket_PacketArrived;
ClientSocket.WriteCompleted += args => ClientSocket_WriteCompleted(ClientSocket, args);
ClientSocket.ShutdownCompleted += ClientSocket_ShutdownCompleted;
ClientSocket.ConnectAsync(serverIpAddress, port);
ClientSocketState = SocketState.Connecting;
Console.WriteLine("Connecting socket to " + (new IPEndPoint(serverIpAddress, port)));
}
catch (Exception ex)
{
ResetSocket();
Console.WriteLine("Error creating connecting socket: [" + ex.GetType().Name + "] " + ex.Message);
}
finally
{
RefreshDisplay();
}
}
/// <summary>
/// Closes and clears the socket, without causing exceptions.
/// </summary>
protected void ResetSocket()
{
// Close the socket
ClientSocket.Close();
ClientSocket = null;
// Indicate there is no socket connection
ClientSocketState = SocketState.Closed;
}
public void CloseAbortively()
{
try
{
ClientSocket.AbortiveClose();
ClientSocket = null;
ClientSocketState = SocketState.Closed;
Console.WriteLine("Abortively closed socket");
}
catch (Exception ex)
{
ResetSocket();
Console.WriteLine("Error aborting socket: [" + ex.GetType().Name + "] " + ex.Message);
}
finally
{
RefreshDisplay();
}
}
private void buttonAbortiveClose_Click(object sender, EventArgs e)
{
try
{
ClientSocket.AbortiveClose();
ClientSocket = null;
ClientSocketState = SocketState.Closed;
textBoxLog.AppendText("Abortively closed socket" + Environment.NewLine);
}
catch (Exception ex)
{
ResetSocket();
textBoxLog.AppendText("Error aborting socket: [" + ex.GetType().Name + "] " + ex.Message + Environment.NewLine);
}
finally
{
RefreshDisplay();
}
}
private void buttonConnect_Click(object sender, EventArgs e)
{
try
{
// Read the IP address
IPAddress serverIPAddress;
if (!IPAddress.TryParse(textBoxIPAddress.Text, out serverIPAddress))
{
MessageBox.Show("Invalid IP address: " + textBoxIPAddress.Text);
textBoxIPAddress.Focus();
return;
}
// Read the port number
int port;
if (!int.TryParse(textBoxPort.Text, out port))
{
MessageBox.Show("Invalid port number: " + textBoxPort.Text);
textBoxPort.Focus();
return;
}
// Begin connecting to the remote IP
ClientSocket = new SimpleClientTcpSocket();
ClientSocket.ConnectCompleted += ClientSocket_ConnectCompleted;
ClientSocket.PacketArrived += ClientSocket_PacketArrived;
ClientSocket.WriteCompleted += (args) => ClientSocket_WriteCompleted(ClientSocket, args);
ClientSocket.ShutdownCompleted += ClientSocket_ShutdownCompleted;
ClientSocket.ConnectAsync(serverIPAddress, port);
ClientSocketState = SocketState.Connecting;
textBoxLog.AppendText("Connecting socket to " + (new IPEndPoint(serverIPAddress, port)).ToString() + Environment.NewLine);
}
catch (Exception ex)
{
ResetSocket();
textBoxLog.AppendText("Error creating connecting socket: [" + ex.GetType().Name + "] " + ex.Message + Environment.NewLine);
}
finally
{
RefreshDisplay();
}
}
