add missing files to git

This commit is contained in:
Harald Welte 2009-07-23 21:25:08 +02:00
parent 88f0425197
commit 9ee4825bbf
2 changed files with 150 additions and 0 deletions

View File

@ -0,0 +1,16 @@
#ifndef _TRANSACT_H
#define _TRANSACT_H
#include <openbsc/gsm_data.h>
#include <openbsc/gsm_subscriber.h>
struct gsm_trans *trans_find_by_id(struct gsm_lchan *lchan, u_int8_t trans_id);
struct gsm_trans *trans_find_by_callref(struct gsm_network *net,
u_int32_t callref);
struct gsm_trans *trans_alloc(struct gsm_subscriber *subscr,
u_int8_t protocol, u_int8_t trans_id,
u_int32_t callref);
void trans_free(struct gsm_trans *trans);
#endif

134
openbsc/src/transaction.c Normal file
View File

@ -0,0 +1,134 @@
/* GSM 04.07 Transaction handling */
/* (C) 2009 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 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <openbsc/transaction.h>
#include <openbsc/gsm_data.h>
#include <openbsc/mncc.h>
#include <openbsc/debug.h>
#include <openbsc/talloc.h>
#include <openbsc/gsm_subscriber.h>
#include <openbsc/gsm_04_08.h>
#include <openbsc/mncc.h>
#include <openbsc/paging.h>
static void *tall_trans_ctx;
struct gsm_trans *trans_find_by_id(struct gsm_lchan *lchan, u_int8_t trans_id)
{
struct gsm_trans *trans;
struct gsm_network *net = lchan->ts->trx->bts->network;
llist_for_each_entry(trans, &net->trans_list, entry) {
if (trans->lchan == lchan && trans->transaction_id == trans_id)
return trans;
}
return NULL;
}
struct gsm_trans *trans_find_by_callref(struct gsm_network *net,
u_int32_t callref)
{
struct gsm_trans *trans;
llist_for_each_entry(trans, &net->trans_list, entry) {
if (trans->callref == callref)
return trans;
}
return NULL;
}
struct gsm_trans *trans_alloc(struct gsm_subscriber *subscr,
u_int8_t protocol, u_int8_t trans_id,
u_int32_t callref)
{
struct gsm_trans *trans;
DEBUGP(DCC, "subscr=%p, subscr->net=%p\n", subscr, subscr->net);
trans = talloc_zero(tall_trans_ctx, struct gsm_trans);
if (!trans)
return NULL;
trans->subscr = subscr;
subscr_get(trans->subscr);
trans->protocol = protocol;
trans->transaction_id = trans_id;
trans->callref = callref;
llist_add_tail(&trans->entry, &subscr->net->trans_list);
return trans;
}
void trans_free(struct gsm_trans *trans)
{
struct gsm_bts *bts;
switch (trans->protocol) {
case GSM48_PDISC_CC:
_gsm48_cc_trans_free(trans);
break;
}
if (trans->lchan)
put_lchan(trans->lchan);
if (!trans->lchan && trans->subscr && trans->subscr->net) {
/* Stop paging on all bts' */
bts = NULL;
do {
bts = gsm_bts_by_lac(trans->subscr->net,
trans->subscr->lac, bts);
if (!bts)
break;
/* Stop paging */
paging_request_stop(bts, trans->subscr, NULL);
} while (1);
}
if (trans->subscr)
subscr_put(trans->subscr);
llist_del(&trans->entry);
talloc_free(trans);
}
#if 0
int trans_assign_trans_id(struct gsm_subscriber *subscr,
u_int8_t protocol, u_int8_t ti_flag)
{
struct gsm_network *net = subscr->net;
struct gsm_trans *trans;
unsigned int used_tid_bitmask = 0;
/* generate bitmask of already-used TIDs for this (subscr,proto) */
llist_for_each_entry(trans, &net->trans_list, entry) {
if (trans->subscr != subscr ||
trans->protocol != protocol ||
trans->transaction_id == 0xff)
continue;
used_tid_bitmask |= (1 << trans->transaction_id);
}
}
#endif