libosmo-sccp/src/sccp_lbcs.c

69 lines
2.2 KiB
C

/* SCCP Local Broadcast (LBCS) according to ITU-T Q.713/Q.714 */
/* (C) 2021 by Harald Welte <laforge@gnumonks.org>
* All Rights reserved
*
* SPDX-License-Identifier: GPL-2.0+
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <string.h>
#include <osmocom/core/utils.h>
#include <osmocom/core/linuxlist.h>
#include <osmocom/core/logging.h>
#include <osmocom/core/timer.h>
#include <osmocom/core/fsm.h>
#include <osmocom/sigtran/sccp_sap.h>
#include <osmocom/sigtran/protocol/sua.h>
#include <osmocom/sccp/sccp_types.h>
#include "xua_internal.h"
#include "sccp_internal.h"
/* perform a "local broadcast" of a N-PCSTATE.ind */
void sccp_lbcs_local_bcast_pcstate(struct osmo_sccp_instance *inst,
const struct osmo_scu_pcstate_param *pcstate)
{
struct osmo_sccp_user *scu;
llist_for_each_entry(scu, &inst->users, list) {
struct msgb *upmsg = sccp_msgb_alloc(__func__);
struct osmo_scu_prim *prim = (struct osmo_scu_prim *) msgb_put(upmsg, sizeof(*prim));
osmo_prim_init(&prim->oph, SCCP_SAP_USER, OSMO_SCU_PRIM_N_PCSTATE,
PRIM_OP_INDICATION, upmsg);
prim->u.pcstate = *pcstate;
sccp_user_prim_up(scu, prim);
}
}
/* perform a "local broadcast" of a N-STATE.ind */
void sccp_lbcs_local_bcast_state(struct osmo_sccp_instance *inst,
const struct osmo_scu_state_param *state)
{
struct osmo_sccp_user *scu;
llist_for_each_entry(scu, &inst->users, list) {
struct msgb *upmsg = sccp_msgb_alloc(__func__);
struct osmo_scu_prim *prim = (struct osmo_scu_prim *) msgb_put(upmsg, sizeof(*prim));
osmo_prim_init(&prim->oph, SCCP_SAP_USER, OSMO_SCU_PRIM_N_STATE,
PRIM_OP_INDICATION, upmsg);
prim->u.state = *state;
sccp_user_prim_up(scu, prim);
}
}