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

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

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

Other Library Functions    tcp-accept-connection    tcp-connect    tcp-connection    tcp-create-service    tcp-destroy-service    tcp-disconnect    tcp-get    tcp-has-characters    tcp-is-connected    tcp-is-version-compatible    tcp-library-version    tcp-peer-ip    tcp-peer-name    tcp-port    tcp-put    tcp-service    tcp-set-buffering    tcp-signal-source-end    tcp-sink    tcp-source

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