(PureBasic) TCP/IP Socket Connect to Remote Host:Port

Demonstrates how to create a TCP/IP socket, connect to a remote host:port, and receive a "Hello World!" message.

Chilkat PureBasic Module Download Chilkat PureBasic Module

IncludeFile "CkSocket.pb"

Procedure ChilkatExample()

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

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

    ; Connect to port 5555 of localhost.
    ; The string "localhost" is for testing on a single computer.
    ; It would typically be replaced with an IP hostname, such
    ; as "www.chilkatsoft.com".
    ssl.i = 0
    maxWaitMillisec.i = 20000
    success.i = CkSocket::ckConnect(socket,"localhost",5555,ssl,maxWaitMillisec)
    If success <> 1
        Debug CkSocket::ckLastErrorText(socket)
        CkSocket::ckDispose(socket)
        ProcedureReturn
    EndIf

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

    ; Pretend, for the sake of the example, that the
    ; ficticious server is going to send a "Hello World!" 
    ; after accepting the connection.  
    ; Note: Technically, the ReceiveString may not receive the
    ; complete string, although it's highly probable given the short
    ; length of the "Hello World!" message. 
    ; See this Chilkat blog post for more information:
    ; http://www.cknotes.com/?p=302
    receivedMsg.s = CkSocket::ckReceiveString(socket)
    If CkSocket::ckLastMethodSuccess(socket) <> 1
        Debug CkSocket::ckLastErrorText(socket)
        CkSocket::ckDispose(socket)
        ProcedureReturn
    EndIf

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

    Debug receivedMsg


    CkSocket::ckDispose(socket)


    ProcedureReturn
EndProcedure