///////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2000-2018 Ericsson Telecom AB
//
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v2.0
// which accompanies this distribution, and is available at
// https://www.eclipse.org/org/documents/epl-2.0/EPL-2.0.html
///////////////////////////////////////////////////////////////////////////////
//
//  File:          XTDP_EncDecFunctions.ttcn
//  Description:   Encode-decode functions for the protocol module
//  References:
//  Rev:           <RnXnn>
//  Prodnr:        CNL 113 663
//  Updated:       Tue Jan 11 10:53:39 2011
//  Contact:       http://ttcn.ericsson.se
//
////////////////////////////////////////////////////////////////////////////////
module XTDP_EncDecFunctions {

//import from ttcn_ericsson_se_xtdp_xul_1_0 all;
import from ttcn_ericsson_se_protocolModules_xtdp_xtdp all;
import from ttcn_ericsson_se_protocolModules_xtdp_xtdl all
//import from IPL4asp_Types all;

external function enc_XTDP_Message (in XTDP_Message p_message) return octetstring
with {extension "prototype(convert) encode (XER:XER_EXTENDED)"}

external function dec_XTDP_Message (in octetstring p_oct, out XTDP_Message p_message) return integer
with {extension "prototype(backtrack) decode (XER:XER_EXTENDED) errorbehavior(ALL:WARNING)"}

external function dec_XTDL_Window (in octetstring p_oct, out Window p_window) return integer
with {extension "prototype(backtrack) decode (XER:XER_EXTENDED) errorbehavior(ALL:WARNING)"}

external function enc_XTDL_Window (in Window p_window) return octetstring
with {extension "prototype(convert) encode (XER:XER_EXTENDED)"}

//external function f_XTDP_getMsgLen2(
//  in octetstring stream,
//  inout ro_integer args
//) return integer 

function f_XTDP_getMsgLen(
  in octetstring stream //,
  //inout ro_integer args
) return integer {
  if (lengthof(stream)<4) {
    return -1
  } else {
    return oct2int(substr(stream,0, 4))
  }
}
function f_XTDP_getRawMsg(in octetstring stream) return octetstring
{
  if (lengthof(stream) <4)  {
    return ''O
  }  else {
    return substr(stream,4, lengthof(stream)-4)
  }
} 

}  // end of module