Library: TCP/IP client and server support (OMTCP legacy) Include: omtcp.xin

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

Declaration

define external switch TCPServiceIsOpen
      value TCPService this-TCPService
as TCPServiceIsOpen

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

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