70 lines
1.9 KiB
C
70 lines
1.9 KiB
C
/* Support for generating RSL Load Indication */
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/* (C) 2011 by Harald Welte <laforge@gnumonks.org>
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <rsl.h>
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#include <osmocom/core/timer.h>
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static void reset_load_counters(void)
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{
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/* re-set the counters */
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btsb->load.ccch.pch_used = btsb->load.ccch.pch_total = 0;
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}
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static void load_timer_cb(void *data)
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{
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struct gsm_bts *bts = data;
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struct gsm_bts_role_bts *btsb = FIXME;
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unsigned int pch_percent;
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/* compute percentages */
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pch_percent = (btsb->load.ccch.pch_used * 100) / btsb->load.ccch.pch_total;
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if (pch_percent >= btsb->load.ccch.load_ind_thresh) {
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/* send RSL load indication message to BSC */
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uint16_t paging_buffer_space = FIXME;
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rsl_tx_ccch_load_ind_pch(bts, paging_buffer_space);
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}
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reset_load_counters();
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/* re-schedule the timer */
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osmo_timer_schedule(&btsb->load.ccch.timer,
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btsb->load.ccch.load_ind_period, 0);
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}
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static void load_timer_start(struct gsm_bts *bts)
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{
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struct gsm_bts_role_bts *btsb = FIXME;
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btsb->load.ccch.timer.data = bts;
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reset_load_counters();
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osmo_timer_schedule(&btsb->load.ccch.timer,
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btsb->load.ccch.load_ind_period, 0);
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return 0
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}
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static void load_timer_stop(struct gsm_bts *bts)
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{
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osmo_timer_del(&btsb->load.ccch.timer);
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}
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