Library: TCP/IP client and server support (OMTCP) original 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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