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

Other Library Functions TCPConnection TCPConnectionClose TCPConnectionGetCharacters TCPConnectionGetLine TCPConnectionGetOutput TCPConnectionGetPeerIP TCPConnectionGetPeerName TCPConnectionGetSource TCPConnectionGetStatusReport TCPConnectionHasCharactersToRead TCPConnectionIsConnected TCPConnectionIsInError TCPConnectionOpen TCPConnectionPut TCPConnectionSetBuffering TCPConnectionSignalSourceEnd TCPIsVersionCompatible TCPLibraryVersion TCPService TCPServiceAcceptConnection TCPServiceClose TCPServiceGetPort TCPServiceGetStatusReport TCPServiceIsInError TCPServiceIsOpen TCPServiceOpen TCPTraceConnectionOpen

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