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/* routines to track connections */
/*
* (C) 2010-2011 by Holger Hans Peter Freyther <zecke@selfish.org>
* (C) 2010-2011 by On-Waves
* 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 Affero 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 "bsc_sccp.h"
#include "bsc_data.h"
#include <cellmgr_debug.h>
#include <ss7_application.h>
#include <ss7_application.h>
#include <osmocom/core/talloc.h>
#include <string.h>
struct active_sccp_con *find_con_by_dest_ref(struct ss7_application *fw, struct sccp_source_reference *ref)
{
struct active_sccp_con *con;
if (!ref) {
LOGP(DINP, LOGL_ERROR, "Dest Reference is NULL. No connection found.\n");
return NULL;
}
llist_for_each_entry(con, &fw->sccp_connections, entry) {
if (memcmp(&con->dst_ref, ref, sizeof(*ref)) == 0)
return con;
}
LOGP(DINP, LOGL_ERROR, "No connection fond with: 0x%x as dest\n", sccp_src_ref_to_int(ref));
return NULL;
}
struct active_sccp_con *find_con_by_src_ref(struct ss7_application *fw, struct sccp_source_reference *src_ref)
{
struct active_sccp_con *con;
/* it is quite normal to not find this one */
if (!src_ref)
return NULL;
llist_for_each_entry(con, &fw->sccp_connections, entry) {
if (memcmp(&con->src_ref, src_ref, sizeof(*src_ref)) == 0)
return con;
}
return NULL;
}
struct active_sccp_con *find_con_by_src_dest_ref(struct ss7_application *fw,
struct sccp_source_reference *src_ref,
struct sccp_source_reference *dst_ref)
{
struct active_sccp_con *con;
llist_for_each_entry(con, &fw->sccp_connections, entry) {
if (memcmp(src_ref, &con->src_ref, sizeof(*src_ref)) == 0 &&
memcmp(dst_ref, &con->dst_ref, sizeof(*dst_ref)) == 0) {
return con;
}
}
return NULL;
}
unsigned int sls_for_src_ref(struct ss7_application *fw, struct sccp_source_reference *ref)
{
struct active_sccp_con *con;
con = find_con_by_src_ref(fw, ref);
if (!con)
return -1;
return con->sls;
}
/*
* remove data
*/
void free_con(struct active_sccp_con *con)
{
llist_del(&con->entry);
osmo_timer_del(&con->rlc_timeout);
talloc_free(con);
}
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