109 lines
2.2 KiB
C++
109 lines
2.2 KiB
C++
/* gprs_ms_storage.cpp
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*
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* Copyright (C) 2015 by Sysmocom s.f.m.c. GmbH
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* Author: Jacob Erlbeck <jerlbeck@sysmocom.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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 General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "gprs_ms_storage.h"
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#include "tbf.h"
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#include "bts.h"
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extern "C" {
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#include <osmocom/core/linuxlist.h>
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}
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#define GPRS_UNDEFINED_IMSI "000"
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GprsMsStorage::GprsMsStorage(BTS *bts) :
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m_bts(bts)
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{
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}
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GprsMsStorage::~GprsMsStorage()
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{
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cleanup();
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}
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void GprsMsStorage::cleanup()
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{
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LListHead<GprsMs> *pos, *tmp;
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llist_for_each_safe(pos, tmp, &m_list) {
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GprsMs *ms = pos->entry();
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ms->set_callback(NULL);
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ms_idle(ms);
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}
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}
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void GprsMsStorage::ms_idle(class GprsMs *ms)
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{
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llist_del(&ms->list());
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if (m_bts)
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m_bts->stat_item_add(STAT_MS_PRESENT, -1);
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if (ms->is_idle())
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delete ms;
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}
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void GprsMsStorage::ms_active(class GprsMs *ms)
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{
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/* Nothing to do */
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}
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GprsMs *GprsMsStorage::get_ms(uint32_t tlli, uint32_t old_tlli, const char *imsi) const
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{
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GprsMs *ms;
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LListHead<GprsMs> *pos;
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if (tlli || old_tlli) {
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llist_for_each(pos, &m_list) {
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ms = pos->entry();
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if (ms->check_tlli(tlli))
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return ms;
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if (ms->check_tlli(old_tlli))
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return ms;
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}
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}
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/* not found by TLLI */
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if (imsi && imsi[0] && strcmp(imsi, GPRS_UNDEFINED_IMSI) != 0) {
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llist_for_each(pos, &m_list) {
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ms = pos->entry();
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if (strcmp(imsi, ms->imsi()) == 0)
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return ms;
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}
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}
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return NULL;
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}
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GprsMs *GprsMsStorage::create_ms()
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{
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GprsMs *ms;
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ms = new GprsMs(m_bts, 0);
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ms->set_callback(this);
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llist_add(&ms->list(), &m_list);
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if (m_bts)
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m_bts->stat_item_add(STAT_MS_PRESENT, 1);
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return ms;
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}
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