TCPServiceIsOpen

function

Library: TCP/IP client and server support (OMTCP legacy, OmniMark versions 4 - 6.0.1)
Include: omtcp.xin

Returns: True if the TCP service is open; false otherwise.

Declaration

define external switch TCPServiceIsOpen
      value TCPService this-TCPService
as TCPServiceIsOpen

Purpose

This function checks whether a TCP service is open, regardless of whether it's just been declared or is in error. It is always valid to call this function.

Argument:

"this-TCPService" is an OMX component of type TCPService

Example

  do unless TCPServiceIsOpen omdemo-service
     output "not open %n"
  done