/** internal print uri into rpc reply function.
* Prints the uris into rpc reply. It's used internally by
* rpc_uac_callback().
* @param rpc
* @param c - rpc context
* @param reply - sip reply
*/
static void rpc_print_uris(rpc_t* rpc, void* c, struct sip_msg* reply)
{
dlg_t* dlg;
dlg=shm_malloc(sizeof(dlg_t));
if (dlg==0){
ERR("out of memory (shm)\n");
return;
}
memset(dlg, 0, sizeof(dlg_t));
if (dlg_response_uac(dlg, reply, TARGET_REFRESH_UNKNOWN) < 0) {
LM_ERR("failure while filling dialog structure\n");
free_dlg(dlg);
return;
}
if (dlg->state != DLG_CONFIRMED) {
free_dlg(dlg);
return;
}
if (dlg->hooks.request_uri->s){
rpc->add(c, "S", dlg->hooks.request_uri);
}else{
rpc->add(c, "s", "");
}
if (dlg->hooks.next_hop->s) {
rpc->add(c, "S", dlg->hooks.next_hop);
} else {
rpc->add(c, "s", "");
}
rpc_print_routes(rpc, c, dlg);
free_dlg(dlg);
return;
}
/*
* Establishing a new dialog, UAS side
*/
int new_dlg_uas(struct sip_msg* _req, int _code, /*str* _tag,*/ dlg_t** _d)
{
dlg_t* res;
str tag;
if (!_req || /*!_tag ||*/ !_d) {
LOG(L_ERR, "new_dlg_uas(): Invalid parameter value\n");
return -1;
}
if (_code > 299) {
DBG("new_dlg_uas(): Status code >= 300, no dialog created\n");
}
res = (dlg_t*)shm_malloc(sizeof(dlg_t));
if (res == 0) {
LOG(L_ERR, "new_dlg_uac(): No memory left\n");
return -3;
}
/* Clear everything */
memset(res, 0, sizeof(dlg_t));
if (request2dlg(_req, res) < 0) {
LOG(L_ERR, "new_dlg_uas(): Error while converting request to dialog\n");
free_dlg(res);
return -4;
}
if (_code > 100) {
tag.s = tm_tags;
tag.len = TOTAG_VALUE_LEN;
calc_crc_suffix(_req, tm_tag_suffix);
if (str_duplicate(&res->id.loc_tag, &tag) < 0) {
free_dlg(res);
return -5;
}
}
*_d = res;
if (_code < 100)
(*_d)->state = DLG_NEW;
else if (_code < 200)
(*_d)->state = DLG_EARLY;
else
(*_d)->state = DLG_CONFIRMED;
if (calculate_hooks(*_d) < 0) {
LOG(L_ERR, "new_dlg_uas(): Error while calculating hooks\n");
free_dlg(res);
return -6;
}
#ifdef DIALOG_CALLBACKS
run_new_dlg_callbacks(DLG_CB_UAS, res, _req);
#endif
return 0;
}
/*
* Send a transactional request, no dialogs involved
*/
int request(str* m, str* ruri, str* to, str* from, str* h, str* b, transaction_cb c, void* cp)
{
str callid, fromtag;
dlg_t* dialog;
int res;
if (check_params(m, to, from, &dialog) < 0) goto err;
generate_callid(&callid);
generate_fromtag(&fromtag, &callid);
if (new_dlg_uac(&callid, &fromtag, DEFAULT_CSEQ, from, to, &dialog) < 0) {
LOG(L_ERR, "req_outside(): Error while creating temorary dialog\n");
goto err;
}
if (ruri) {
dialog->rem_target.s = ruri->s;
dialog->rem_target.len = ruri->len;
dialog->hooks.request_uri = &dialog->rem_target;
}
res = t_uac(m, h, b, dialog, c, cp);
dialog->rem_target.s = 0;
free_dlg(dialog);
return res;
err:
if (cp) shm_free(cp);
return -1;
}
/*
* Send a transactional request, no dialogs involved
*/
int request(str* m, str* ruri, str* to, str* from, str* h, str* b, str *oburi,
transaction_cb cb, void* cbp,release_tmcb_param release_func)
{
str callid, fromtag;
dlg_t* dialog;
int res;
if (check_params(m, to, from, &dialog) < 0) goto err;
generate_callid(&callid);
generate_fromtag(&fromtag, &callid);
if (new_dlg_uac(&callid, &fromtag, DEFAULT_CSEQ, from, to, &dialog) < 0) {
LM_ERR("failed to create temporary dialog\n");
goto err;
}
if (ruri) {
dialog->rem_target.s = ruri->s;
dialog->rem_target.len = ruri->len;
dialog->hooks.request_uri = &dialog->rem_target;
}
if (oburi && oburi->s) dialog->hooks.next_hop = oburi;
w_calculate_hooks(dialog);
res = t_uac(m, h, b, dialog, cb, cbp, release_func);
dialog->rem_target.s = 0;
free_dlg(dialog);
return res;
err:
return -1;
}
/*
* Send a transactional request, no dialogs involved
* WARNING: writes uac_r->dialog
*/
int request(uac_req_t *uac_r, str* ruri, str* to, str* from, str *next_hop)
{
str callid, fromtag;
dlg_t* dialog;
int res;
if (check_params(uac_r, to, from) < 0) goto err;
if (uac_r->callid == NULL || uac_r->callid->len <= 0)
generate_callid(&callid);
else
callid = *uac_r->callid;
generate_fromtag(&fromtag, &callid);
if (new_dlg_uac(&callid, &fromtag, DEFAULT_CSEQ, from, to, &dialog) < 0) {
LOG(L_ERR, "request(): Error while creating temporary dialog\n");
goto err;
}
if (ruri) {
dialog->rem_target.s = ruri->s;
dialog->rem_target.len = ruri->len;
/* hooks will be set from w_calculate_hooks */
}
if (next_hop) dialog->dst_uri = *next_hop;
w_calculate_hooks(dialog);
/* WARNING:
* to be clean it should be called
* set_dlg_target(dialog, ruri, next_hop);
* which sets both uris if given [but it duplicates them in shm!]
*
* but in this case the _ruri parameter in set_dlg_target
* must be optional (it is needed now) and following hacks
* dialog->rem_target.s = 0;
* dialog->dst_uri.s = 0;
* before freeing dialog here must be removed
*/
uac_r->dialog = dialog;
if(uac_r->ssock!=NULL && uac_r->ssock->len>0
&& uac_r->dialog->send_sock==NULL) {
/* set local send socket */
uac_r->dialog->send_sock = lookup_local_socket(uac_r->ssock);
}
res = t_uac(uac_r);
dialog->rem_target.s = 0;
dialog->dst_uri.s = 0;
free_dlg(dialog);
uac_r->dialog = 0;
return res;
err:
/* callback parameter must be freed outside of tm module
if (cp) shm_free(cp); */
return -1;
}
/*
* Send a transactional request, no dialogs involved
*/
int request(str* m, str* ruri, str* to, str* from, str* h, str* b, str *next_hop, transaction_cb c, void* cp)
{
str callid, fromtag;
dlg_t* dialog;
int res;
if (check_params(m, to, from, &dialog) < 0) goto err;
generate_callid(&callid);
generate_fromtag(&fromtag, &callid);
if (new_dlg_uac(&callid, &fromtag, DEFAULT_CSEQ, from, to, &dialog) < 0) {
LOG(L_ERR, "request(): Error while creating temporary dialog\n");
goto err;
}
if (ruri) {
dialog->rem_target.s = ruri->s;
dialog->rem_target.len = ruri->len;
/* hooks will be set from w_calculate_hooks */
}
if (next_hop) dialog->dst_uri = *next_hop;
w_calculate_hooks(dialog);
/* WARNING:
* to be clean it should be called
* set_dlg_target(dialog, ruri, next_hop);
* which sets both uris if given [but it duplicates them in shm!]
*
* but in this case the _ruri parameter in set_dlg_target
* must be optional (it is needed now) and following hacks
* dialog->rem_target.s = 0;
* dialog->dst_uri.s = 0;
* before freeing dialog here must be removed
*/
res = t_uac(m, h, b, dialog, c, cp);
dialog->rem_target.s = 0;
dialog->dst_uri.s = 0;
free_dlg(dialog);
return res;
err:
if (cp) shm_free(cp);
return -1;
}
