/* sends BYE in both directions
* returns 0 if both BYEs were successful
*/
int dlg_end_dlg(struct dlg_cell *dlg, str *extra_hdrs, int send_byes)
{
str str_hdr = {NULL,0};
struct cell* t;
int i,res = 0;
int callee;
/* lookup_dlg has incremented the reference count !! */
if (send_byes &&
(dlg->state == DLG_STATE_UNCONFIRMED || dlg->state == DLG_STATE_EARLY)) {
/* locate initial transaction */
LM_DBG("trying to find transaction with hash_index = %u and label = %u\n",
dlg->initial_t_hash_index,dlg->initial_t_label);
if (d_tmb.t_lookup_ident(&t,dlg->initial_t_hash_index,dlg->initial_t_label) < 0) {
LM_ERR("Initial transaction does not exist any more\n");
return -1;
}
if (d_tmb.t_cancel_trans(t,NULL) < 0) {
LM_ERR("Failed to send cancels\n");
d_tmb.unref_cell(t);
return -1;
}
/* lookup_ident refs the transaction */
d_tmb.unref_cell(t);
return 0;
}
if (send_byes && (build_extra_hdr(dlg, extra_hdrs, &str_hdr)) != 0){
LM_ERR("failed to create extra headers\n");
return -1;
}
callee = callee_idx(dlg);
if (send_byes && send_leg_bye(dlg, DLG_CALLER_LEG, callee, &str_hdr)!=0) {
res--;
}
if (send_byes && send_leg_bye(dlg, callee, DLG_CALLER_LEG, &str_hdr)!=0 ) {
res--;
}
if (!send_byes) {
dual_bye_event(dlg, NULL, 0);
dual_bye_event(dlg, NULL, 0);
} else
for(i=res ; i<0 ; i++)
dual_bye_event(dlg, NULL, 1);
if (str_hdr.s)
pkg_free(str_hdr.s);
return res;
}
int dlg_bye_all(struct dlg_cell *dlg, str *hdrs) {
str all_hdrs = {0, 0};
int ret;
if ((build_extra_hdr(dlg, hdrs, &all_hdrs)) != 0) {
LM_ERR("failed to build dlg headers\n");
return -1;
}
ret = send_bye(dlg, DLG_CALLER_LEG, &all_hdrs);
ret |= send_bye(dlg, DLG_CALLEE_LEG, &all_hdrs);
pkg_free(all_hdrs.s);
return ret;
}
int dlg_bye(struct dlg_cell *dlg, str *hdrs, int side) {
str all_hdrs = {0, 0};
int ret;
if (side == DLG_CALLER_LEG) {
if (dlg->dflags & DLG_FLAG_CALLERBYE)
return -1;
dlg->dflags |= DLG_FLAG_CALLERBYE;
} else {
if (dlg->dflags & DLG_FLAG_CALLEEBYE)
return -1;
dlg->dflags |= DLG_FLAG_CALLEEBYE;
}
if ((build_extra_hdr(dlg, hdrs, &all_hdrs)) != 0) {
LM_ERR("failed to build dlg headers\n");
return -1;
}
ret = send_bye(dlg, side, &all_hdrs);
pkg_free(all_hdrs.s);
return ret;
}
