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/* Support for generating RSL Load Indication */
/* (C) 2011 by Harald Welte <laforge@gnumonks.org>
*
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 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 Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <rsl.h>
#include <osmocom/core/timer.h>
static void reset_load_counters(void)
{
/* re-set the counters */
btsb->load.ccch.pch_used = btsb->load.ccch.pch_total = 0;
}
static void load_timer_cb(void *data)
{
struct gsm_bts *bts = data;
struct gsm_bts_role_bts *btsb = FIXME;
unsigned int pch_percent;
/* compute percentages */
pch_percent = (btsb->load.ccch.pch_used * 100) / btsb->load.ccch.pch_total;
if (pch_percent >= btsb->load.ccch.load_ind_thresh) {
/* send RSL load indication message to BSC */
uint16_t paging_buffer_space = FIXME;
rsl_tx_ccch_load_ind_pch(bts, paging_buffer_space);
}
reset_load_counters();
/* re-schedule the timer */
osmo_timer_schedule(&btsb->load.ccch.timer,
btsb->load.ccch.load_ind_period, 0);
}
static void load_timer_start(struct gsm_bts *bts)
{
struct gsm_bts_role_bts *btsb = FIXME;
btsb->load.ccch.timer.data = bts;
reset_load_counters();
osmo_timer_schedule(&btsb->load.ccch.timer,
btsb->load.ccch.load_ind_period, 0);
return 0
}
static void load_timer_stop(struct gsm_bts *bts)
{
osmo_timer_del(&btsb->load.ccch.timer);
}
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