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if (f_check_attribute(loc_sdp, mw_attribute_sendonly) or
f_check_attribute(loc_sdp, mw_attribute_recvonly) or
f_check_attribute(loc_sdp, mw_attribute_sendrecv) or
f_check_attribute(loc_sdp, mw_attribute_inactive))
{return(true);}
return(false);
}
/**
* @desc copy media/attribute lines from remote to local SDP variable
*
*/
function f_check_SDP(integer loc_sdp, integer loc_codec) runs on SipComponent
return boolean
{
var SDP_media_desc v_media := f_prepare_media(loc_sdp,loc_codec);
log("log0");
if (vc_sdp_remote.media_list[0].media_field.media != v_media.media_field.media)
{ log("log1"); return false };
if (vc_sdp_remote.media_list[0].media_field.transport != v_media.media_field.transport)
{ log("log2"); return false };
if (vc_sdp_remote.media_list[0].media_field.fmts != v_media.media_field.fmts)
{ log("remote:",vc_sdp_remote.media_list[0].media_field.fmts,"expect:",v_media.media_field.fmts); return false };
return true
}
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/**
* @desc replace the first curr media attribute with the given value.
* @param p_sdp SDP message to modify
* @param p_curr new curr attribute
*/
function f_replace_curr_attribute(inout SDP_Message p_sdp, in SDP_attribute_curr p_curr) {
if(ispresent(p_sdp.media_list)) {
var integer mn := sizeof(p_sdp.media_list[0].attributes);
for(var integer i := 0; i<=mn; i := i+1) {
if(ischosen(p_sdp.media_list[0].attributes[i].curr)){
p_sdp.media_list[0].attributes[i].curr := p_curr;
i:=mn;
}
}
}
}
/**
* @desc append new media attribute to the first media description.
* @param p_sdp SDP message to modify
* @param p_att SDP attribute to appand
*/
function f_append_media_attribute(inout SDP_Message p_sdp, in SDP_attribute p_att) {
if(ispresent(p_sdp.media_list)) {
var integer mn := sizeof(p_sdp.media_list[0].attributes);
p_sdp.media_list[0].attributes[mn] := p_att;
}
}
/**
* @desc append new media to the existing media list in SDP
*
*/
function f_append_media(inout SDP_Message loc_SDP, in template SDP_media_desc loc_media)
{
var integer mn := sizeof(loc_SDP.media_list);
loc_SDP.media_list[mn] := valueof(loc_media);
}
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/**
* @desc repare media/attribute lines
*
*/
function f_prepare_media(integer loc_sdp, integer loc_codec) runs on SipComponent
return SDP_media_desc
{
var charstring v_codecs[32] := {
"PCMU/8000", "GSM/8000", "G723/8000", "DVI4/8000",
"DVI4/16000", "LPC/8000", "PCMA/8000", "G722/8000",
"L16/44100/2", "L16/44100", "QCELP/8000", "CN/8000",
"MPA/90000", "G728/8000", "DVI4/11025", "DVI4/22050",
"G729/8000", "G726-40/8000", "G726-32/8000", "G726-24/8000",
"G726-16/8000", "G726D/8000", "G726E/8000", "GSM-EFR/8000",
"CelB/90000", "JPEG/90000", "Nv/90000", "H261/90000",
"MPV/90000", "MP2T/90000", "H263/90000", "H263-1998/90000"
}
var SDP_media_desc v_media :=
{
media_field := {
media := "audio",
ports := {
port_number := 10000,
num_of_ports:=omit },
transport := "RTP/AVP",
fmts := { "0" }
}, //m=audio 8500 RTP/AVP 0
information := omit,
connections := omit,
bandwidth := omit,
key := omit,
attributes := omit
};
if (32<loc_codec or loc_codec<1) {
log("Unexpected SDP variant");
setverdict(inconc);
return (v_media)}
if (loc_sdp == 1) {}
else if (loc_sdp == 2) {
v_media.media_field.fmts := {PX_SIP_SDP_dyn}; //{ "98", "0" };
v_media.attributes := {{
rtpmap := { attr_value := PX_SIP_SDP_dyn & " " & v_codecs[loc_codec-1] } // PX_SIP_SDP_dyn := 98
}}
} else if (loc_sdp == 3) {
v_media.media_field.fmts := { "8" }
} else if (loc_sdp == 4) {
v_media.media_field.fmts := { "99", "8" };
v_media.attributes := {{
rtpmap := { attr_value := "99 " & v_codecs[loc_codec-1] }
}}
} else if (loc_sdp == 5) {
v_media.media_field.media := "image";
v_media.media_field.transport := "udptl";
v_media.media_field.fmts := { "t38" }
} else if (loc_sdp == 6) {
v_media.media_field.media := "image";
v_media.media_field.transport := "tcptl";
v_media.media_field.fmts := { "t38" }
} else {
log("Unexpected SDP variant"); setverdict(inconc)
};
return (v_media);
}
/**
* @desc repare media/attribute lines
*
*/
function f_prepare_SDP(integer loc_sdp, integer loc_codec) runs on SipComponent
{
vc_sdp_local.media_list := {f_prepare_media(loc_sdp,loc_codec)};
}
/**
*
* @desc function that copy media/attribute lines from remote to local SDP variable
*/
function f_prepare_SDP_answer() runs on SipComponent
{
var integer mn, cn := 0, i, j, k :=0;
var charstring v_PT, v_rtpmap := "";
var SDP_attribute_list v_mediaAttributes := {};
//increase session version
vc_sdp_local.origin.session_version := int2str(str2int(vc_sdp_remote.origin.session_version)+1);
// if more than one codec, select the firs one
for (i :=0; i < mn; i := i+1)
{
//for every single media
if (ispresent(vc_sdp_remote.media_list[i].attributes))
cn := sizeof(vc_sdp_remote.media_list[i].attributes);
if (sizeof(vc_sdp_remote.media_list[i].media_field.fmts)>0)
{
// select the first one
v_PT := vc_sdp_remote.media_list[i].media_field.fmts[0];
vc_sdp_local.media_list[i].media_field.fmts := {v_PT};
for (j :=0; j<cn; j:=j+1)
{
if (ischosen(vc_sdp_remote.media_list[i].attributes[j].rtpmap))
if (v_PT == regexp(vc_sdp_remote.media_list[i].attributes[j].rtpmap.attr_value, "[ \t]#(0,)([\d]+)*", 0))
v_rtpmap := vc_sdp_remote.media_list[i].attributes[j].
rtpmap.attr_value;
v_mediaAttributes[k] := {rtpmap := {attr_value := v_rtpmap}};
k := k+1;
} // else line is not copied
}
else
{
// simple copy of attribute
v_mediaAttributes[k] := vc_sdp_remote.media_list[i].attributes[j];
k := k+1;
}
}
vc_sdp_local.media_list[i].attributes := v_mediaAttributes;
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if (ispresent(vc_sdp_local.media_list[i].attributes))
{
cn := sizeof(vc_sdp_local.media_list[i].attributes);
for (j :=0; j<cn; j:=j+1)
{
// simplified handling of status attributes (copy/keep status from peer):
// a) copy/keep SDP_attribute_curr (invert tags if applicable)
if (ischosen(vc_sdp_local.media_list[i].attributes[j].curr))
{
// invert local/remote status tags
if (vc_sdp_local.media_list[i].attributes[j].curr.statusType == "local")
{vc_sdp_local.media_list[i].attributes[j].curr.statusType := "remote"};
if (vc_sdp_local.media_list[i].attributes[j].curr.statusType == "remote")
{vc_sdp_local.media_list[i].attributes[j].curr.statusType := "local"};
// invert send/recv direction tags
if (vc_sdp_local.media_list[i].attributes[j].curr.direction == "send")
{vc_sdp_local.media_list[i].attributes[j].curr.direction := "recv"};
if (vc_sdp_local.media_list[i].attributes[j].curr.direction == "recv")
{vc_sdp_local.media_list[i].attributes[j].curr.direction := "send"};
}
// b) copy/keep SDP_attribute_des (keep strength, invert tags if applicable)
else if (ischosen(vc_sdp_local.media_list[i].attributes[j].des))
{
// invert local/remote status tags
if (vc_sdp_local.media_list[i].attributes[j].des.statusType == "local")
{vc_sdp_local.media_list[i].attributes[j].des.statusType := "remote"};
if (vc_sdp_local.media_list[i].attributes[j].des.statusType == "remote")
{vc_sdp_local.media_list[i].attributes[j].des.statusType := "local"};
// invert send/recv direction tags
if (vc_sdp_local.media_list[i].attributes[j].des.direction == "send")
{vc_sdp_local.media_list[i].attributes[j].des.direction := "recv"};
if (vc_sdp_local.media_list[i].attributes[j].des.direction == "recv")
{vc_sdp_local.media_list[i].attributes[j].des.direction := "send"};
}
// c) simplification: assume no SDP_attribute_conf
else if (ischosen(vc_sdp_local.media_list[i].attributes[j].conf))
{
// todo: handle SDP_attribute_conf
}
}
};
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}
}
// add handling of prenegotiation, change ports if required etc.
//if prenegotiation...
}
/**
* @desc reject SDP offer by setting media ports to 0
*
*/
function f_reject_SDP_offer() runs on SipComponent
{
var integer mn, i;
f_copy_SDP(); // TO BE DONE with more details!
//increase session version
vc_sdp_local.origin.session_version := int2str(str2int(vc_sdp_local.origin.session_version)+1);
// if more than one codec, select the firs one
mn:= sizeof(vc_sdp_local.media_list);
for (i :=0; i < mn; i := i+1)
{
vc_sdp_local.media_list[i].media_field.ports := {0, omit};
vc_sdp_local.media_list[i].attributes := omit; //{};
};
}
* @desc copies SDP message elements from remote to local component variable:
* - bandwidth
* - session version (will be incremented)
* - media list
* modify the direction attribute of an SDP media list entry within an SDP message (vc_sdp_local)
* @param p_medianum list position number of the media (if value 0 identifies first media list element)
* @param p_direction the new direction attribute to be included in the media entry
function f_SIP_modMediaDirection(integer p_medianum, template SDP_attribute p_direction) runs on SipComponent
{
var boolean v_set_direction; // flag indicates if direction attribute has been modified
var integer v_mn := 0; // length of media list (number of entries)
var integer v_cn := 0; // number of attributes of a media entry
var integer i, j, k := 0;
var SDP_attribute_list v_mediaAttributes := {}; // collect the media attributes (to be assigned at end of function)
f_copy_SDP(); // copy SDP session bandwidth and media list from remote to local component variable
// increment session version
vc_sdp_local.origin.session_version := int2str(str2int(vc_sdp_local.origin.session_version)+1);
// if more than one codec, select the first one
v_mn:= sizeof(vc_sdp_local.media_list);
if (p_medianum == 0) //specific media requested
{
p_medianum := 1; // start checking from first media
};
if (p_medianum > 0) //specific media requested
{
if (not(p_medianum > v_mn))
{v_mn := p_medianum}
};
// handling of media list elements
for (i :=0; i < v_mn; i := i+1)
{
v_cn := 0; // initialize the number of attributes of the media list entry
if (ispresent(vc_sdp_local.media_list)) //media_list is optional
{
// log("vc_sdp_local.media_list[i] ",vc_sdp_local.media_list[i]);
if (ispresent(vc_sdp_local.media_list[i].attributes))
{
v_cn := sizeof(vc_sdp_local.media_list[i].attributes);
};
v_set_direction := false;
//if (sizeof(vc_sdp_local.media_list[i].media_field.fmts)>1)
// select the first one
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for (j :=0; j<v_cn; j:=j+1)
{
if (ischosen(vc_sdp_local.media_list[i].attributes[j].recvonly)
or ischosen(vc_sdp_local.media_list[i].attributes[j].sendonly)
or ischosen(vc_sdp_local.media_list[i].attributes[j].inactive)
or ischosen(vc_sdp_local.media_list[i].attributes[j].sendrecv))
{
v_mediaAttributes[k] := valueof(p_direction);
v_set_direction := true;
}
else // non-direction attributes will be copied
{
v_mediaAttributes[k] := vc_sdp_local.media_list[i].attributes[j];
k := k+1;
}
}
if (not v_set_direction)
{ v_mediaAttributes[k] := valueof(p_direction)};
vc_sdp_local.media_list[i].attributes := v_mediaAttributes;
}
// add handling of prenegotiation, change ports if required etc.
//if prenegotiation...
}
/**
* @desc modify session and media attributes direction
*
*/
function f_SIP_modSessionDirection(template SDP_attribute p_direction) runs on SipComponent
{
var integer v_mn:= 0, i:=0;
if (ispresent(vc_sdp_local.attributes))
{ v_mn:= sizeof(vc_sdp_local.attributes);
for (i :=0; i < v_mn; i := i+1)
{//for every single attribute (that is not omit)
if (ischosen(vc_sdp_local.attributes[i].recvonly)
or ischosen(vc_sdp_local.attributes[i].sendonly)
or ischosen(vc_sdp_local.attributes[i].inactive)
or ischosen(vc_sdp_local.attributes[i].sendrecv))
{
vc_sdp_local.attributes[i] := valueof(p_direction);
v_set_direction := true;
}
}
if (not v_set_direction) // if not sent before
{
vc_sdp_local.attributes[v_mn] := valueof(p_direction);
};
}
else
{vc_sdp_local.attributes[0] := valueof(p_direction)};
}
/**
* @desc c
*
*/
/*
*
* @desc check (from remote) and set (local) the session/media attribute lines on directions
* @param p_direction_in incoming SDP attribute that need to be checked
* @param p_direction_out SDP attribute that should be included in the SDP answer (to be returned to peer)
* @return
* @verdict
*/
function f_SIP_checksetSDPreqDirection(template SDP_attribute p_direction_in, template SDP_attribute p_direction_out) runs on SipComponent
{ var template SDP_attribute v_direction_out := p_direction_out;
// check incoming SDP attribute
log(vc_request.messageBody.sdpMessageBody);log(p_direction_in);
if (not (ispresent(vc_request.messageBody) and (f_check_attribute(vc_request.messageBody.sdpMessageBody,p_direction_in)
)))
{log("than branch of if");
if (
match(p_direction_in,mw_attribute_sendrecv) and
not(f_check_attribute(vc_request.messageBody.sdpMessageBody,mw_attribute_sendrecv) or
f_check_attribute(vc_request.messageBody.sdpMessageBody,mw_attribute_sendonly) or
f_check_attribute(vc_request.messageBody.sdpMessageBody,mw_attribute_recvonly) or
f_check_attribute(vc_request.messageBody.sdpMessageBody,mw_attribute_inactive)
)
){
log("no direction attributes with expectation: ", p_direction_in)
}
else {setverdict(fail);};}
else {setverdict(pass);log("attribute found in message body");};
if (match(omit,p_direction_out))//not isvalue(v_direction_out))//MRO
{v_direction_out := f_get_attribute_answer(vc_request.messageBody.sdpMessageBody, p_direction_in);}
f_SIP_modMediaDirection(1, v_direction_out); // handling of attribute in media description
f_SIP_modSessionDirection(v_direction_out); // handling of attribute in session
}
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/*
*
* @desc check (from remote) and set (local) the session/media attribute lines on directions
* @param p_direction_in incoming SDP attribute that need to be checked
* @param p_direction_out SDP attribute that should be included in the SDP answer (to be returned to peer)
* @return
* @verdict
*/
function f_SIP_checkResponsesetSDPreqDirection(template SDP_attribute p_direction_in, template SDP_attribute p_direction_out) runs on SipComponent
{ var template SDP_attribute v_direction_out := p_direction_out;
// check incoming SDP attribute
log(vc_response.messageBody.sdpMessageBody);log(p_direction_in);
if (not (ispresent(vc_response.messageBody) and (f_check_attribute(vc_response.messageBody.sdpMessageBody,p_direction_in)
)))
{log("than branch of if");
if (
match(p_direction_in,mw_attribute_sendrecv) and
not(f_check_attribute(vc_response.messageBody.sdpMessageBody,mw_attribute_sendrecv) or
f_check_attribute(vc_response.messageBody.sdpMessageBody,mw_attribute_sendonly) or
f_check_attribute(vc_response.messageBody.sdpMessageBody,mw_attribute_recvonly) or
f_check_attribute(vc_response.messageBody.sdpMessageBody,mw_attribute_inactive)
)
){
log("no direction attributes with expectation: ", p_direction_in)
}
else {setverdict(fail);};}
else {setverdict(pass);log("attribute found in message body");};
if (match(omit,p_direction_out))//not isvalue(v_direction_out))//MRO
{v_direction_out := f_get_attribute_answer(vc_response.messageBody.sdpMessageBody, p_direction_in);}
f_SIP_modMediaDirection(1, v_direction_out); // handling of attribute in media description
f_SIP_modSessionDirection(v_direction_out); // handling of attribute in session
}
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/*
*
* @desc check (from remote) and set (local) the session attribute lines on directions
* @param p_direction_in incoming SDP attribute that need to be checked
* @param p_direction_out SDP attribute that should be included in the SDP answer (to be returned to peer)
* @return
* @verdict
*/
function f_SIP_checksetSDPreqDirectionSession(template SDP_attribute p_direction_in, template SDP_attribute p_direction_out) runs on SipComponent
{ var template SDP_attribute v_direction_out := p_direction_out;
// check incoming SDP attribute
if (not (ispresent(vc_request.messageBody) and (f_check_session_attribute(vc_request.messageBody.sdpMessageBody,p_direction_in)
)))
{if (
match(mw_attribute_sendrecv,p_direction_in) and
not(f_check_session_attribute(vc_request.messageBody.sdpMessageBody,mw_attribute_sendrecv) or
f_check_session_attribute(vc_request.messageBody.sdpMessageBody,mw_attribute_sendonly) or
f_check_session_attribute(vc_request.messageBody.sdpMessageBody,mw_attribute_recvonly) or
f_check_session_attribute(vc_request.messageBody.sdpMessageBody,mw_attribute_inactive)
)
){
log("no direction attributes with expectation: ", p_direction_in)
}
else {setverdict(fail);};};
if (match(omit,p_direction_out))//not isvalue(v_direction_out))//MRO
{v_direction_out := f_get_attribute_answer(vc_request.messageBody.sdpMessageBody, p_direction_in);}
f_SIP_modSessionDirection(v_direction_out); // handling of attribute in session
}
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/*
*
* @desc check (from remote) and set (local) the session attribute lines on directions
* @param p_direction_in incoming SDP attribute that need to be checked
* @param p_direction_out SDP attribute that should be included in the SDP answer (to be returned to peer)
* @return
* @verdict
*/
function f_SIP_checkResponsesetSDPreqDirectionSession(template SDP_attribute p_direction_in, template SDP_attribute p_direction_out) runs on SipComponent
{ var template SDP_attribute v_direction_out := p_direction_out;
// check incoming SDP attribute
if (not (ispresent(vc_response.messageBody) and (f_check_session_attribute(vc_response.messageBody.sdpMessageBody,p_direction_in)
)))
{if (
match(mw_attribute_sendrecv,p_direction_in) and
not(f_check_session_attribute(vc_response.messageBody.sdpMessageBody,mw_attribute_sendrecv) or
f_check_session_attribute(vc_response.messageBody.sdpMessageBody,mw_attribute_sendonly) or
f_check_session_attribute(vc_response.messageBody.sdpMessageBody,mw_attribute_recvonly) or
f_check_session_attribute(vc_response.messageBody.sdpMessageBody,mw_attribute_inactive)
)
){
log("no direction attributes with expectation: ", p_direction_in)
}
else {setverdict(fail);};};
if (match(omit,p_direction_out))//not isvalue(v_direction_out))//MRO
{v_direction_out := f_get_attribute_answer(vc_response.messageBody.sdpMessageBody, p_direction_in);}
f_SIP_modSessionDirection(v_direction_out); // handling of attribute in session
}
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/*
*
* @desc check (from remote) and set (local)the session/media attribute lines on directions
* @param p_direction_in attribute to be check
* @param p_direction_out attrubyte to be
* @return
* @verdict
*/
function f_SIP_checkSDPrespDirection(template SDP_attribute p_direction_in) runs on SipComponent
{
// check incoming SDP attribute
if (not (ispresent(vc_response.messageBody) and f_check_attribute(vc_response.messageBody.sdpMessageBody,p_direction_in)))
{setverdict(fail);};
}
/**
* @desc check media/attribute lines from remote
*
*/
function f_SIP_checkMediaDirection(integer p_medianum, template SDP_attribute p_direction) runs on SipComponent
return boolean
{
var integer v_mn, v_cn := 0, i, j;
var boolean v_result := false;
//increase session version
vc_sdp_remote.origin.session_version := int2str(str2int(vc_sdp_remote.origin.session_version)+1);
// if more than one codec, select the firs one
v_mn:= sizeof(vc_sdp_remote.media_list);
if (p_medianum == 0) //specific media requested
{
p_medianum := 1; // start checking from first media
};
if (p_medianum > 0) //specific media requested
{
if (p_medianum > v_mn) {return false}
else {v_mn := p_medianum}
};
for (i :=p_medianum-1; i < v_mn; i := i+1)
{
//for every single media
if (ispresent(vc_sdp_remote.media_list[i].attributes))
{
v_cn := sizeof(vc_sdp_remote.media_list[i].attributes);
log (v_cn);
};
if (sizeof(vc_sdp_remote.media_list[i].attributes)>0)
{
// select the first one
log(vc_sdp_remote.media_list[i].attributes);
for (j :=0; j<sizeof(vc_sdp_remote.media_list[i].attributes); j:=j+1)
{
log(vc_sdp_remote.media_list[i].attributes[j]);
if (ischosen(vc_sdp_remote.media_list[i].attributes[j].recvonly)
or ischosen(vc_sdp_remote.media_list[i].attributes[j].sendonly)
or ischosen(vc_sdp_remote.media_list[i].attributes[j].inactive)
or ischosen(vc_sdp_remote.media_list[i].attributes[j].sendrecv))
{
if (match(vc_sdp_remote.media_list[i].attributes[j],p_direction))
{ v_result := true; }
else { return false; }
}
//v_result := true; // TODO This is a shortcut since direction attributes are not decoded
}
}
}
return v_result
}
/**
* @desc copy media/attribute lines from remote to local SDP variable
*
*/
function f_copy_SDP() runs on SipComponent
if (ispresent(vc_sdp_remote.connection))
{vc_sdp_local.connection := vc_sdp_remote.connection}
else {vc_sdp_local.connection := omit};
vc_sdp_local.origin := vc_sdp_remote.origin;
vc_sdp_local.session_name := vc_sdp_remote.session_name;
if (ispresent(vc_sdp_remote.bandwidth))
{vc_sdp_local.bandwidth := vc_sdp_remote.bandwidth}
else {vc_sdp_local.bandwidth := {}};
if (ispresent(vc_sdp_remote.media_list))
{
// // cleaning of media before assignment
// if (ispresent(vc_sdp_local.media_list))
// {
// for (var integer i:=0; i<sizeof(vc_sdp_local.media_list); i:=i+1)
// {
// vc_sdp_local.media_list[i] := omit ;
// }
// };
vc_sdp_local.media_list := vc_sdp_remote.media_list;
}
}
}//end group SDPOperations
group AwaitingMessage {
/**
*
* @desc Function for time delay
*/
function f_awaitingDelayTimer(float p_delay) runs on SipComponent
{
tc_tDelay.start(p_delay);
alt
{
[] tc_tDelay.timeout
{
setverdict (pass);
}
}
} //end f_awaitingDelayTimer
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/**
*
* @desc Function waiting for any MSG -request/response
*/
function f_awaitingAnyPassOnTimeout() runs on SipComponent
{
tc_wait.start(PX_SIP_TWAIT);
alt
{
[] SIPP.receive //TAU error if expect (*)
{
tc_wait.stop;
vc_boo_response:=true;
vc_boo_request:=true;
//setverdict(pass)
}
[] tc_wait.timeout
{
vc_boo_response:=false;
vc_boo_request:=false;
//setverdict (pass)
}
}
} //end f_awaitingResponsePassOnTimeout
/**
*
* @desc Function waiting for no MSG -request/response
*/
function f_awaitingNonePassOnTimeout() runs on SipComponent
{
tc_wait.start(PX_SIP_TWAIT);
alt
{
[] tc_wait.timeout
{
setverdict (pass);
}
}
} //end f_awaitingResponsePassOnTimeout
/**
*
* @desc function awaits REGISTER
* @param p_register expected REGISTER request
*/
function f_awaitingREGISTER(in template REGISTER_Request p_register) runs on SipComponent
{
var Request v_request;
tc_wait.start(PX_SIP_TWAIT);
alt
{
[] SIPP.receive(p_register)-> value v_request sender vc_sent_label
{
f_setHeadersOnReceiptOfREGISTER(v_request);
}
{
setverdict (fail);
}
}
/**
*
* @desc function awaits SUBSCRIBE
* @param p_register expected SUBSCRIBE request
*/
function f_awaitingSUBSCRIBE(in template SUBSCRIBE_Request p_subscribe) runs on SipComponent
{
var Request v_request;
tc_wait.start(PX_SIP_TWAIT);
[] SIPP.receive(p_subscribe)-> value v_request sender vc_sent_label
f_setHeadersOnReceiptOfSUBSCRIBE(v_request);
}
[] SIPP.receive(mw_SUBSCRIBE_Request_Base)-> value v_request sender vc_sent_label
{
tc_wait.stop;
setverdict(fail);
f_setHeadersOnReceiptOfSUBSCRIBE(v_request);
//f_send200OK();
}
*
* @desc function awaits REGISTER and sends a 200 OK response
* @param p_reply flag used to avoid the 200OK response sending
*/
function f_awaitingREGISTER_sendReply(in template REGISTER_Request p_register, in boolean p_reply) runs on SipComponent
{
var Request v_request;
tc_wait.start(PX_SIP_TWAIT);
alt
{
[] SIPP.receive(p_register)-> value v_request sender vc_sent_label
{
vc_request := v_request;
f_setHeadersOnReceiptOfREGISTER(v_request);
//Answer to the Request
if (p_reply) {f_send200OK();};
}
{
setverdict (fail);
}
}
/**
*
* @desc Function waiting for a 200 OK response
* @param p_cSeq_s current cSeq expectation
*/
function f_awaitingOkResponse(inout CSeq p_cSeq_s) runs on SipComponent
{
tc_resp.start(PX_SIP_TRESP);
alt
{
[] SIPP.receive (mw_Response_Base(c_statusLine200, vc_callId, p_cSeq_s)) -> value vc_response
f_setHeadersOnReceiptOfResponse(vc_cSeq, vc_response);
setverdict(pass)
}
} //end awaitingOkResponse
/**
*
* @desc Function waiting for a response
* @param p_Response expected response message
*/
function f_awaitingResponse(in template Response p_Response) runs on SipComponent
{
tc_resp.start(PX_SIP_TRESP);
alt
{
[] SIPP.receive (p_Response) -> value vc_response
{
f_setHeadersOnReceiptOfResponse(vc_cSeq, vc_response);
}
}
} //end f_awaitingResponse
/**
*
* @desc Function waiting for a response and send ACK on FailureResponses 4xx,5xx,6xx
* @param p_Response expected response message
*/
function f_awaitingResponseSendACK(in template Response p_Response) runs on SipComponent
{
tc_resp.start(PX_SIP_TRESP);
LibSip_Steps.f_setHeadersACK();
f_SendACK(m_ACK_Request_Base(vc_requestUri, vc_callId, vc_cSeq, vc_from, vc_to, vc_via));
setverdict(pass);
} //end f_awaitingResponse
/**
*
* @desc Function waiting for a response
* @param p_Response expected response message
*/
function f_awaitingResponsePassOnTimeout(in template Response p_Response) runs on SipComponent
{
tc_resp.start(PX_SIP_TRESP);
alt
{
[] SIPP.receive (p_Response) -> value vc_response
{
f_setHeadersOnReceiptOfResponse(vc_cSeq, vc_response);
vc_boo_response:=true;
//setverdict(pass)
}
{
vc_boo_response:=false;
//setverdict (pass)
}
}
} //end f_awaitingResponsePassOnTimeout
/**
* @desc await INFO request
* reply with 200 OK
*/
function f_awaitingINFO_sendReply(in template INFO_Request p_info) runs on SipComponent
var INFO_Request v_request;
tc_wait.start(PX_SIP_TWAIT);
[] SIPP.receive(p_info)-> value v_request sender vc_sent_label
tc_wait.stop;
f_setHeadersOnReceiptOfRequest(v_request);
//Answer to the INFO
f_send200OK();
}
}
} // end of f_awaitingINFO_sendReply
*
* @desc function awaiting for an incoming INVITE
* @param p_request expected message
*/
function f_awaitingINVITE(template INVITE_Request p_request) runs on SipComponent
{
var INVITE_Request v_INVITE_Request;
tc_wait.start(PX_SIP_TWAIT);
alt
{
[]SIPP.receive (p_request) -> value v_INVITE_Request sender vc_sent_label
{
tc_wait.stop;
vc_ignore_invite := true;
vc_first_recv:= true; // communication has started
f_setHeadersOnReceiptOfINVITE(v_INVITE_Request);
SIPP.send(m_Response_Base(c_statusLine100, vc_callId, vc_cSeq, vc_from, vc_to, vc_via)) to vc_sent_label;
}
[vc_interface_isc]SIPP.receive (mw_INVITE_Request_Base) -> value v_INVITE_Request sender vc_sent_label
{
tc_wait.stop;
setverdict(fail);
f_setHeadersOnReceiptOfINVITE(v_INVITE_Request);
SIPP.send(m_Response_Base(c_statusLine100, vc_callId, vc_cSeq, vc_from, vc_to, vc_via)) to vc_sent_label;
//clear session - send 486 and await ACK
f_sendResponse(m_Response_Base(c_statusLine486,vc_callId,vc_cSeq,vc_caller_From,vc_caller_To,vc_via));
f_awaitingACK(mw_ACK_Request_Base(?));
//await 486 which go towards and send ACK
f_awaitingResponse(mw_Response_Base(c_statusLine486,?,?));
f_SendACK(m_ACK_Request_Base(vc_requestUri,vc_callId,vc_cSeq,vc_from,vc_to,vc_via));
syncPort.send(m_syncClientStop);
stop
}
} //end f_awaitingINVITE
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/**
*
* @desc function awaiting for an incoming INVITE
* @param p_request expected message
*/
function f_awaitingINVITE_No100Response(template INVITE_Request p_request) runs on SipComponent
{
var INVITE_Request v_INVITE_Request;
tc_wait.start(PX_SIP_TWAIT);
alt
{
[]SIPP.receive (p_request) -> value v_INVITE_Request sender vc_sent_label
{
tc_wait.stop;
vc_ignore_invite := true;
vc_first_recv:= true; // communication has started
f_setHeadersOnReceiptOfINVITE(v_INVITE_Request);
//SIPP.send(m_Response_Base(c_statusLine100, vc_callId, vc_cSeq, vc_from, vc_to, vc_via)) to vc_sent_label;
}
}
} //end f_awaitingInviteRequest
/**
*
* @desc function awaiting for an incoming INVITE
* @param p_request expected message
*/
function f_awaitingINVITE_PassOnTimeout(template INVITE_Request p_request) runs on SipComponent
{
var INVITE_Request v_INVITE_Request;
tc_wait.start(PX_SIP_TWAIT);
alt
{
[]SIPP.receive (p_request) -> value v_INVITE_Request sender vc_sent_label
{
tc_wait.stop;
vc_ignore_invite := true;
vc_first_recv:= true; // communication has started
vc_boo_request := true;
f_setHeadersOnReceiptOfINVITE(v_INVITE_Request);
SIPP.send(m_Response_Base(c_statusLine100, vc_callId, vc_cSeq, vc_from, vc_to, vc_via)) to vc_sent_label;
}
[]tc_wait.timeout
{
vc_boo_request := false;
}
}
} //end f_awaitingInviteRequest
/**
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* @desc function awaiting ACK request
*/
function f_awaitingACK(in template ACK_Request p_ACK) runs on SipComponent
{
var Request v_ACK_Request;
tc_ack.start(PX_SIP_TACK);
alt
{
[] SIPP.receive(p_ACK) -> value v_ACK_Request
{
tc_ack.stop;
}
}
} //end f_awaitingAckRequest
/**
*
* @desc function awaiting BYE and sending 200OK response
* @param p_BYE expected BYE
*/
function f_awaitingBYE(in template BYE_Request p_BYE) runs on SipComponent
{
var BYE_Request v_BYE_Request;
tc_wait.start(PX_SIP_TWAIT);
alt
{
[]SIPP.receive (p_BYE) -> value v_BYE_Request sender vc_sent_label
{
vc_ignore_bye:= true;
f_setHeadersOnReceiptOfBYE(v_BYE_Request);
//f_send200OK();
}
}
} // end f_awaitingBYE
/**
*
* @desc function awaiting BYE and sending 200OK response
* @param p_BYE expected BYE
*/
function f_awaitingBYE_sendReply
(in template BYE_Request p_BYE) runs on SipComponent
{
var BYE_Request v_BYE_Request;
tc_wait.start(PX_SIP_TWAIT);
alt
{
[]SIPP.receive (p_BYE) -> value v_BYE_Request sender vc_sent_label
{