Library: TCP/IP client and server support (OMTCP) Import: omtcp.xmd

Return type: Switch Returns:

Declaration

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

Argument definitions

Connection

is variable of type tcp.connection.

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

It is always valid to call this function.

Example

  import "omtcp.xmd" prefixed by tcp.
  
  process
     local tcp.connection Client
  
     set Client to tcp.connect to "osarus" on 5902
     repeat
        exit unless tcp.is-connected Client
  
        ;process
     again

Related Topics tcp.connection tcp.disconnect tcp.writer tcp.get-string tcp.peer-ip tcp.peer-name tcp.reader tcp.wait-for-input tcp.put-string tcp.connect tcp.set-buffering tcp.terminate-reader

Other Library Functions tcp.accept-connection tcp.connect tcp.connection tcp.create-service tcp.destroy-service tcp.disconnect tcp.end-delimited tcp.get-string tcp.is-connected tcp.multi-packet tcp.omtcp-version tcp.peer-ip tcp.peer-name tcp.port tcp.put-string tcp.reader tcp.service tcp.set-buffering tcp.single-packet tcp.terminate-reader tcp.wait-for-input tcp.writer

[ INDEX ] [ CONCEPTS ] [ TASKS ] [ SYNTAX ] [ LIBRARIES ] [ LEGACY LIBRARIES ] [ ERRORS ]