trigger RRLP position requests after paging succeeded and after subscriber attach
diff --git a/openbsc/src/rrlp.c b/openbsc/src/rrlp.c
new file mode 100644
index 0000000..61bb202
--- /dev/null
+++ b/openbsc/src/rrlp.c
@@ -0,0 +1,73 @@
+
+
+/* (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>
+
+/* RRLP MS based position request */
+static const u_int8_t ms_based_pos_req[] = { 0x40, 0x01, 0x78, 0xa8 };
+
+static int subscr_sig_cb(unsigned int subsys, unsigned int signal,
+ void *handler_data, void *signal_data)
+{
+ struct gsm_subscriber *subscr;
+ struct gsm_lchan *lchan;
+
+ switch (signal) {
+ case S_SUBSCR_ATTACHED:
+ /* A subscriber has attached. */
+ subscr = signal_data;
+ lchan = lchan_for_subscr(subscr);
+ if (!lchan)
+ break;
+ gsm48_send_rr_app_info(lchan, 0x00, sizeof(ms_based_pos_req),
+ ms_based_pos_req);
+ 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_COMPLETED:
+ /* A subscriber has attached. */
+ gsm48_send_rr_app_info(psig_data->lchan, 0x00,
+ sizeof(ms_based_pos_req),
+ ms_based_pos_req);
+ 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);
+}