tcp-is-connected

function

Library: TCP/IP client and server support (OMTCP legacy, OmniMark versions 6.0.2 - 7.0)
Include: omtcp.xin

Returns:


Declaration
define external switch function tcp-is-connected
      value tcp-connection Connection

Argument definitions

Connection
is variable of type tcp-connection.


Purpose

Use tcp-is-connected to determine if the TCP connection is currently connected, independently of whether it's just been declared, is open, or is in error.

Requirements

You must include the following line at the beginning of your OmniMark program:

  include "omtcp.xin"

It is always valid to call this function.

Usage Notes

None.

Example


  local tcp-connection Client
  
  set Client to tcp-connect on "osarus" at 5902
  repeat
     exit unless tcp-is-connected Client
  
     ;process
  again