| /* OsmoHLR TX/RX lu operations */ |
| |
| /* (C) 2017 sysmocom s.f.m.c. GmbH <info@sysmocom.de> |
| * All Rights Reserved |
| * |
| * Author: Harald Welte <laforge@gnumonks.org> |
| * |
| * 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/>. |
| * |
| */ |
| |
| #pragma once |
| |
| #include <stdbool.h> |
| |
| #include <osmocom/core/timer.h> |
| #include <osmocom/gsm/gsup.h> |
| |
| #include "db.h" |
| |
| #define CANCEL_TIMEOUT_SECS 30 |
| #define ISD_TIMEOUT_SECS 30 |
| |
| enum lu_state { |
| LU_S_NULL, |
| LU_S_LU_RECEIVED, |
| LU_S_CANCEL_SENT, |
| LU_S_CANCEL_ACK_RECEIVED, |
| LU_S_ISD_SENT, |
| LU_S_ISD_ACK_RECEIVED, |
| LU_S_COMPLETE, |
| }; |
| |
| extern const struct value_string lu_state_names[]; |
| |
| struct lu_operation { |
| /*! entry in global list of location update operations */ |
| struct llist_head list; |
| /*! to which gsup_server do we belong */ |
| struct osmo_gsup_server *gsup_server; |
| /*! state of the location update */ |
| enum lu_state state; |
| /*! CS (false) or PS (true) Location Update? */ |
| bool is_ps; |
| /*! currently running timer */ |
| struct osmo_timer_list timer; |
| |
| /*! subscriber related to this operation */ |
| struct hlr_subscriber subscr; |
| /*! peer VLR/SGSN starting the request */ |
| uint8_t *peer; |
| }; |
| |
| int osmo_gsup_addr_send(struct osmo_gsup_server *gs, |
| const uint8_t *addr, size_t addrlen, |
| struct msgb *msg); |
| |
| struct lu_operation *lu_op_alloc(struct osmo_gsup_server *srv); |
| struct lu_operation *lu_op_alloc_conn(struct osmo_gsup_conn *conn); |
| void lu_op_statechg(struct lu_operation *luop, enum lu_state new_state); |
| bool lu_op_fill_subscr(struct lu_operation *luop, struct db_context *dbc, |
| const char *imsi); |
| struct lu_operation *lu_op_by_imsi(const char *imsi, |
| const struct llist_head *lst); |
| |
| void lu_op_tx_error(struct lu_operation *luop, enum gsm48_gmm_cause cause); |
| void lu_op_tx_ack(struct lu_operation *luop); |
| void lu_op_tx_cancel_old(struct lu_operation *luop); |
| void lu_op_tx_insert_subscr_data(struct lu_operation *luop); |
| void lu_op_tx_del_subscr_data(struct lu_operation *luop); |
| |
| void lu_op_free(struct lu_operation *luop); |