| /* Radio Resource LCS (Location) Protocol, GMS TS 04.31 */ |
| |
| /* (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 <sys/types.h> |
| |
| #include <openbsc/gsm_04_08.h> |
| #include <openbsc/signal.h> |
| #include <openbsc/gsm_subscriber.h> |
| #include <openbsc/chan_alloc.h> |
| |
| /* RRLP msPositionReq, nsBased, |
| * Accuracy=60, Method=gps, ResponseTime=2, oneSet */ |
| static const u_int8_t ms_based_pos_req[] = { 0x40, 0x01, 0x78, 0xa8 }; |
| |
| /* RRLP msPositionReq, msBasedPref, |
| Accuracy=60, Method=gpsOrEOTD, ResponseTime=5, multipleSets */ |
| static const u_int8_t ms_pref_pos_req[] = { 0x40, 0x02, 0x79, 0x50 }; |
| |
| /* RRLP msPositionReq, msAssistedPref, |
| Accuracy=60, Method=gpsOrEOTD, ResponseTime=5, multipleSets */ |
| static const u_int8_t ass_pref_pos_req[] = { 0x40, 0x03, 0x79, 0x50 }; |
| |
| static int send_rrlp_req(struct gsm_subscriber_connection *conn) |
| { |
| struct gsm_network *net = conn->bts->network; |
| const u_int8_t *req; |
| |
| switch (net->rrlp.mode) { |
| case RRLP_MODE_MS_BASED: |
| req = ms_based_pos_req; |
| break; |
| case RRLP_MODE_MS_PREF: |
| req = ms_pref_pos_req; |
| break; |
| case RRLP_MODE_ASS_PREF: |
| req = ass_pref_pos_req; |
| break; |
| case RRLP_MODE_NONE: |
| default: |
| return 0; |
| } |
| |
| return gsm48_send_rr_app_info(conn, 0x00, |
| sizeof(ms_based_pos_req), req); |
| } |
| |
| static int subscr_sig_cb(unsigned int subsys, unsigned int signal, |
| void *handler_data, void *signal_data) |
| { |
| struct gsm_subscriber *subscr; |
| struct gsm_subscriber_connection *conn; |
| |
| switch (signal) { |
| case S_SUBSCR_ATTACHED: |
| /* A subscriber has attached. */ |
| subscr = signal_data; |
| conn = connection_for_subscr(subscr); |
| if (!conn) |
| break; |
| send_rrlp_req(conn); |
| break; |
| } |
| return 0; |
| } |
| |
| static int paging_sig_cb(unsigned int subsys, unsigned int signal, |
| void *handler_data, void *signal_data) |
| { |
| struct paging_signal_data *psig_data = signal_data; |
| |
| switch (signal) { |
| case S_PAGING_SUCCEEDED: |
| /* A subscriber has attached. */ |
| send_rrlp_req(psig_data->conn); |
| break; |
| case S_PAGING_EXPIRED: |
| break; |
| } |
| return 0; |
| } |
| |
| void on_dso_load_rrlp(void) |
| { |
| register_signal_handler(SS_SUBSCR, subscr_sig_cb, NULL); |
| register_signal_handler(SS_PAGING, paging_sig_cb, NULL); |
| } |