Accept Connection on Socket

Demonstrates how to create a TCP/IP socket, listen on a port, accept an incoming connection, and send a "Hello World" message to the client.

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Chilkat.Socket listenSocket = new Chilkat.Socket();

bool success;
success = listenSocket.UnlockComponent("Anything for 30-day trial");
if (success != true) {
    MessageBox.Show("Failed to unlock component");
    return;
}

//  Bind to a port and listen for incoming connections:
//  This example will listen at port 5555 and allows for a backlog
//  of 25 pending connection requests.
success = listenSocket.BindAndListen(5555,25);
if (success != true) {
    MessageBox.Show(listenSocket.LastErrorText);
    return;
}

//  Get the next incoming connection
//  Wait a maximum of 20 seconds (20000 millisec)
Chilkat.Socket connectedSocket = null;
connectedSocket = listenSocket.AcceptNextConnection(20000);
if (connectedSocket == null ) {
    MessageBox.Show(listenSocket.LastErrorText);
    return;
}

//  Set maximum timeouts for reading an writing (in millisec)
connectedSocket.MaxReadIdleMs = 10000;
connectedSocket.MaxSendIdleMs = 10000;

//  Send a "Hello World!" message to the client:
success = connectedSocket.SendString("Hello World!");
if (success != true) {
    MessageBox.Show(connectedSocket.LastErrorText);

    return;
}

//  Close the connection with the client.
//  Wait a max of 20 seconds (20000 millsec)
connectedSocket.Close(20000);

MessageBox.Show("success!");