Hi Gerard,
The on_tsx_state function must not be set in the mod_simpleua structure but in the inv_cb structure (look at lines 326-330 in simple_ua.c):
/* Init the callback for INVITE session: */
pj_bzero(&inv_cb, sizeof(inv_cb));
inv_cb._on_state_changed_ = &call_on_state_changed;
inv_cb._on_new_session_ = &call_on_forked;
inv_cb._on_media_update_ = &call_on_media_update;
inv_cb._on_tsx_state_changed_ = &call_on_tsx_state_changed;
And here is an extract of my code:
/* Callback to be called when dialog state has changed.
* This callback intercepts the SIP_INFO messages
*/
static void call_on_tsx_state_changed(pjsip_inv_session *inv,
pjsip_transaction *tsx,
pjsip_event *e)
{
...
/* SIP INFO */
if ((e->body.tsx_state.type == PJSIP_EVENT_RX_MSG) &&
(tsx->state == PJSIP_TSX_STATE_TRYING) &&
(strncmp(tsx->method.name.ptr, "INFO", 4) == 0)) {
rdata = e->body.tsx_state.src.rdata;
...
Regards
Bernard
De : pjsip [mailto:pjsip-bounces@xxxxxxxxxxxxxxx] De la part de Gerard van den Bosch
Envoyé : vendredi 1 juillet 2016 10:49
À : pjsip list
Objet : Re: receiving INFO request
Hi Bernard,
The INFO message is inside the dialog and I can see it in the PJSIP debug.
But it does not get into my tsx state changed function.
I have defined the module as following:
static pjsip_module mod_simpleua =
{
NULL, NULL, /* prev, next. */
{ "mod-simpleua", 12 }, /* Name. */
-1, /* Id */
PJSIP_MOD_PRIORITY_APPLICATION, /* Priority */
NULL, /* load() */
NULL, /* start() */
NULL, /* stop() */
NULL, /* unload() */
&on_rx_request, /* on_rx_request() */
NULL, /* on_rx_response() */
NULL, /* on_tx_request. */
NULL, /* on_tx_response() */
&on_tsx_state, /* on_tsx_state() */
};
Register the module as following:
status = pjsip_endpt_register_module( sip_endpt, &mod_simpleua);
And in the handler I try to do a printf:
static void on_tsx_state(pjsip_transaction *tsx, pjsip_event *event)
{
const pjsip_method info_method =
{
PJSIP_OTHER_METHOD,
{ "INFO", 4 }
};
printf("-------------------Handle tsx state change!-------------------\n");
}
But the debug message is never printed at all.
And then I see in the PJSIP debug that it is unhandled.
Cheers,
Gerard
On Fri, Jul 1, 2016 at 3:55 PM, POQUILLON, Bernard <bpoquillon@xxxxxxxxxxxx> wrote:
Hi Gerard,
You can receive INFO message inside an established call or outside. Inside a call, you will be notified through the callback function inv_cb.on_tsx_state_changed. If you receive an INFO outside a dialog, then the on_rx_request function is called.
Hope it helps.
Bernard
De : pjsip [mailto:pjsip-bounces@xxxxxxxxxxxxxxx] De la part de Gerard van den Bosch
Envoyé : vendredi 1 juillet 2016 05:39
À : pjsip@xxxxxxxxxxxxxxx
Objet : receiving INFO request
Hello,
I am trying to extend the Simple UA example to accept INFO requests.
I have added on_tsx_state function to mod_simpleua with following prototype:
static void call_on_state_changed( pjsip_inv_session *inv,pjsip_event *e);
Then I added accept INFO capabilities to the end point.
const pj_str_t STR_INFO = { "INFO",4 };
pjsip_endpt_add_capability(sip_endpt, NULL, PJSIP_H_ALLOW,NULL, 1, &STR_INFO);
But when the INFO messages comes in, in the debug I see the following:
11:12:17.823 tsx0x7389c8 ..Request msg INFO/cseq=7 (rdata0x6ca648) was unhandled by dialog usages, sending 500 response
11:12:17.823 siptest.c ....TX 330 bytes Response msg 500/INFO/cseq=7 (tdta0x730ba0) to UDP 192.168.100.136:5060:
SIP/2.0 500 Unhandled by dialog usages
Am I missing something to receive the INFO messages properly?
Cheers,
Gerard
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