public void StartClient(string url)
{
// Connect to a remote device.
try
{
// Establish the remote endpoint for the socket.
// The name of the
IPHostEntry ipClientInfo = Dns.GetHostEntry(Dns.GetHostName());
IPAddress ipClientAddress = ipClientInfo.AddressList[0];
IPHostEntry ipHostInfo = Dns.GetHostEntry(url);
IPAddress ipAddress = ipHostInfo.AddressList[0];
IPEndPoint remoteEP = new IPEndPoint(ipAddress, port);
// Create a TCP/IP socket.
Socket client = new Socket(ipAddress.AddressFamily,
SocketType.Stream, ProtocolType.Tcp);
// Connect to the remote endpoint.
client.BeginConnect(remoteEP,
new AsyncCallback(ConnectCallback), client);
connectDone.WaitOne();
string[] IPParts = ipClientAddress.ToString().Split('%');
// Send test data to the remote device.
Send(client, IPParts[0] + "<IPIF>");
InformationContainer.selfIP = IPParts[0];
sendDone.WaitOne();
// Receive the response from the remote device.
Receive(client);
receiveDone.WaitOne();
// Write the response to the console.
Console.WriteLine("Response received : {0}", response);
InformationContainer.PushIPAddressesIntoLoop(url);
SentConfirm(true);
// Release the socket.
client.Shutdown(SocketShutdown.Both);
client.Close();
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
SentConfirm(false);
}
}
public void ReadCallback(IAsyncResult ar)
{
string content = String.Empty;
StateReader stateReader = (StateReader)ar.AsyncState;
Socket handler = stateReader.workSocket;
int bytesRead = handler.EndReceive(ar);
if (bytesRead > 0)
{
stateReader.sb.Append(Encoding.ASCII.GetString(stateReader.buffer, 0, bytesRead));
content = stateReader.sb.ToString();
if (content.IndexOf("<EOF>") > -1 || content.IndexOf("<IPIF>") > -1)
{
Console.WriteLine("Read {0} bytes from socket. \n Data : {1}",
content.Length, content);
//richTextBox.Text=content;
richTextBox.Invoke((MethodInvoker) delegate
{
if (content.IndexOf("<IPIF>") == -1)
{
richTextBox.Text += content.Replace("<EOF>", "\n");
}
else
{
InformationContainer.PushIPAddressesIntoLoop(content.Replace("<IPIF>", ""));
}
});
// Echo the data back to the client.
Send(handler, content);
}
else
{
handler.BeginReceive(stateReader.buffer, 0, StateReader.BufferSize, 0,
new AsyncCallback(ReadCallback), stateReader);
}
}
}
