PureBasic Requires Chilkat v11.0.0+

Accept Connection on Socket

See more Socket/SSL/TLS Examples

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. PureBasic

IncludeFile "CkSocket.pb"

Procedure ChilkatExample()

    success.i = 0

    ;  This example requires the Chilkat API to have been previously unlocked.
    ;  See Global Unlock Sample for sample code.

    listenSocket.i = CkSocket::ckCreate()
    If listenSocket.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    ;  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 = CkSocket::ckBindAndListen(listenSocket,5555,25)
    If success = 0
        Debug CkSocket::ckLastErrorText(listenSocket)
        CkSocket::ckDispose(listenSocket)
        ProcedureReturn
    EndIf

    ;  Get the next incoming connection
    ;  Wait a maximum of 20 seconds (20000 millisec)
    connectedSocket.i = CkSocket::ckCreate()
    If connectedSocket.i = 0
        Debug "Failed to create object."
        ProcedureReturn
    EndIf

    success = CkSocket::ckAcceptNext(listenSocket,20000,connectedSocket)
    If success = 0
        Debug CkSocket::ckLastErrorText(listenSocket)
        CkSocket::ckDispose(listenSocket)
        CkSocket::ckDispose(connectedSocket)
        ProcedureReturn
    EndIf

    ;  Set maximum timeouts for reading an writing (in millisec)
    CkSocket::setCkMaxReadIdleMs(connectedSocket, 10000)
    CkSocket::setCkMaxSendIdleMs(connectedSocket, 10000)

    ;  Send a "Hello World!" message to the client:
    success = CkSocket::ckSendString(connectedSocket,"Hello World!")
    If success <> 1
        Debug CkSocket::ckLastErrorText(connectedSocket)
        CkSocket::ckDispose(listenSocket)
        CkSocket::ckDispose(connectedSocket)
        ProcedureReturn
    EndIf

    ;  Close the connection with the client.
    ;  Wait a max of 20 seconds (20000 millsec)
    success = CkSocket::ckClose(connectedSocket,20000)

    Debug "success!"


    CkSocket::ckDispose(listenSocket)
    CkSocket::ckDispose(connectedSocket)


    ProcedureReturn
EndProcedure