(Swift 3,4,5...) 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.

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

func chilkatTest() {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    let listenSocket = CkoSocket()!

    // 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.
    var success: Bool = listenSocket.bindAndListen(5555, backlog: 25)
    if success != true {
        print("\(listenSocket.lastErrorText!)")
        return
    }

    // Get the next incoming connection
    // Wait a maximum of 20 seconds (20000 millisec)
    var connectedSocket: CkoSocket?
    connectedSocket = listenSocket.acceptNextConnection(20000)
    if listenSocket.lastMethodSuccess == false {
        print("\(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!.send("Hello World!")
    if success != true {
        print("\(connectedSocket!.lastErrorText!)")
        connectedSocket = nil
        return
    }

    // Close the connection with the client.
    // Wait a max of 20 seconds (20000 millsec)
    success = connectedSocket!.close(20000)

    print("success!")

}