osmo-pcu/src/bts.cpp

100 lines
2.1 KiB
C++

/*
* Copyright (C) 2013 by Holger Hans Peter Freyther
*
* 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 <bts.h>
#include <poll_controller.h>
#include <tbf.h>
#include <gprs_rlcmac.h>
extern "C" {
#include <osmocom/core/talloc.h>
}
#include <string.h>
static BTS s_bts;
BTS* BTS::main_bts()
{
return &s_bts;
}
struct gprs_rlcmac_bts *BTS::bts_data()
{
return &m_bts;
}
struct gprs_rlcmac_bts *bts_main_data()
{
return BTS::main_bts()->bts_data();
}
BTS::BTS()
: m_cur_fn(0)
, m_pollController(*this)
{
memset(&m_bts, 0, sizeof(m_bts));
m_bts.bts = this;
}
void BTS::set_current_frame_number(int fn)
{
m_cur_fn = fn;
m_pollController.expireTimedout(m_cur_fn);
}
void gprs_rlcmac_pdch::enable()
{
/* TODO: Check if there are still allocated resources.. */
INIT_LLIST_HEAD(&paging_list);
m_is_enabled = 1;
}
void gprs_rlcmac_pdch::disable()
{
/* TODO.. kick free_resources once we know the TRX/TS we are on */
m_is_enabled = 0;
}
void gprs_rlcmac_pdch::free_resources(uint8_t trx, uint8_t ts)
{
struct gprs_rlcmac_paging *pag;
struct gprs_rlcmac_sba *sba, *sba2;
/* we are not enabled. there should be no resources */
if (!is_enabled())
return;
/* kick all TBF on slot */
gprs_rlcmac_tbf::free_all(this);
/* flush all pending paging messages */
while ((pag = gprs_rlcmac_dequeue_paging(this)))
talloc_free(pag);
llist_for_each_entry_safe(sba, sba2, &gprs_rlcmac_sbas, list) {
if (sba->trx == trx && sba->ts == ts) {
llist_del(&sba->list);
talloc_free(sba);
}
}
}