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