move openbsc/* to repos root

This is the first step in creating this repository from the legacy openbsc.git.

Like all other Osmocom repositories, keep the autoconf and automake files in
the repository root. openbsc.git has been the sole exception, which ends now.

Change-Id: I9c6f2a448d9cb1cc088cf1cf6918b69d7e69b4e7

1 files changed, 190 insertions, 0 deletions

diff --git a/src/utils/meas_json.c b/src/utils/meas_json.c
new file mode 100644
index 000000000..51eb6c74e
--- /dev/null
+++ b/src/utils/meas_json.c
@@ -0,0 +1,190 @@
+/* Convert measurement report feed into JSON feed printed to stdout.
+ * Each measurement report is printed as a separae JSON root entry.
+ * All measurement reports are separated by a new line.
+ */
+
+/* (C) 2015 by Alexander Chemeris <Alexander.Chemeris@fairwaves.co>
+ * With parts of code adopted from different places in OpenBSC.
+ *
+ * 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 <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+
+#include <netinet/in.h>
+
+#include <osmocom/core/socket.h>
+#include <osmocom/core/msgb.h>
+#include <osmocom/core/select.h>
+
+#include <osmocom/gsm/gsm_utils.h>
+
+#include <openbsc/gsm_data.h>
+#include <openbsc/gsm_data_shared.h>
+#include <openbsc/meas_feed.h>
+
+static void print_meas_rep_uni_json(struct gsm_meas_rep_unidir *mru)
+{
+	printf("\"RXL-FULL\":%d, \"RXL-SUB\":%d, ",
+		rxlev2dbm(mru->full.rx_lev),
+		rxlev2dbm(mru->sub.rx_lev));
+	printf("\"RXQ-FULL\":%d, \"RXQ-SUB\":%d",
+		mru->full.rx_qual, mru->sub.rx_qual);
+}
+
+static void print_meas_rep_json(struct gsm_meas_rep *mr)
+{
+	int i;
+
+	printf("\"NR\":%d", mr->nr);
+
+	if (mr->flags & MEAS_REP_F_DL_DTX)
+		printf(", \"DTXd\":true");
+
+	printf(", \"UL_MEAS\":{");
+	print_meas_rep_uni_json(&mr->ul);
+	printf("}");
+	printf(", \"BS_POWER\":%d", mr->bs_power);
+	if (mr->flags & MEAS_REP_F_MS_TO)
+		printf(", \"MS_TO\":%d", mr->ms_timing_offset);
+
+	if (mr->flags & MEAS_REP_F_MS_L1) {
+		printf(", \"L1_MS_PWR\":%d", mr->ms_l1.pwr);
+		printf(", \"L1_FPC\":%s",
+			mr->flags & MEAS_REP_F_FPC ? "true" : "false");
+		printf(", \"L1_TA\":%u", mr->ms_l1.ta);
+	}
+
+	if (mr->flags & MEAS_REP_F_UL_DTX)
+		printf(", \"DTXu\":true");
+	if (mr->flags & MEAS_REP_F_BA1)
+		printf(", \"BA1\":true");
+	if (mr->flags & MEAS_REP_F_DL_VALID) {
+		printf(", \"DL_MEAS\":{");
+		print_meas_rep_uni_json(&mr->dl);
+		printf("}");
+	}
+
+	if (mr->num_cell == 7)
+		return;
+	printf(", \"NUM_NEIGH\":%u, \"NEIGH\":[", mr->num_cell);
+	for (i = 0; i < mr->num_cell; i++) {
+		struct gsm_meas_rep_cell *mrc = &mr->cell[i];
+		if (i!=0) printf(", ");
+		printf("{\"IDX\":%u, \"ARFCN\":%u, \"BSIC\":%u, \"POWER\":%d}",
+			mrc->neigh_idx, mrc->arfcn, mrc->bsic, rxlev2dbm(mrc->rxlev));
+	}
+	printf("]");
+}
+
+static void print_chan_info_json(struct meas_feed_meas *mfm)
+{
+	printf("\"lchan_type\":\"%s\", \"pchan_type\":\"%s\", "
+		   "\"bts_nr\":%d, \"trx_nr\":%d, \"ts_nr\":%d, \"ss_nr\":%d",
+	gsm_lchant_name(mfm->lchan_type), gsm_pchan_name(mfm->pchan_type),
+	mfm->bts_nr, mfm->trx_nr, mfm->ts_nr, mfm->ss_nr);
+}
+
+static void print_meas_feed_json(struct meas_feed_meas *mfm)
+{
+	time_t now = time(NULL);
+
+	printf("{");
+	printf("\"time\":%ld, \"imsi\":\"%s\", \"name\":\"%s\", \"scenario\":\"%s\", ",
+		now, mfm->imsi, mfm->name, mfm->scenario);
+
+	switch (mfm->hdr.version) {
+	case 1:
+		printf("\"chan_info\":{");
+		print_chan_info_json(mfm);
+		printf("}, ");
+		/* no break, fall to version 0 */
+	case 0:
+		printf("\"meas_rep\":{");
+		print_meas_rep_json(&mfm->mr);
+		printf("}");
+		break;
+	}
+
+	printf("}\n");
+
+}
+
+static int handle_meas(struct msgb *msg)
+{
+	struct meas_feed_meas *mfm = (struct meas_feed_meas *) msgb_data(msg);
+
+	print_meas_feed_json(mfm);
+
+	return 0;
+}
+
+static int handle_msg(struct msgb *msg)
+{
+	struct meas_feed_hdr *mfh = (struct meas_feed_hdr *) msgb_data(msg);
+
+	if (mfh->version != MEAS_FEED_VERSION)
+		return -EINVAL;
+
+	switch (mfh->msg_type) {
+	case MEAS_FEED_MEAS:
+		handle_meas(msg);
+		break;
+	default:
+		break;
+	}
+	return 0;
+}
+
+static int udp_fd_cb(struct osmo_fd *ofd, unsigned int what)
+{
+	int rc;
+
+	if (what & BSC_FD_READ) {
+		struct msgb *msg = msgb_alloc(1024, "UDP Rx");
+
+		rc = read(ofd->fd, msgb_data(msg), msgb_tailroom(msg));
+		if (rc < 0)
+			return rc;
+		msgb_put(msg, rc);
+		handle_msg(msg);
+		msgb_free(msg);
+	}
+
+	return 0;
+}
+
+int main(int argc, char **argv)
+{
+	int rc;
+	struct osmo_fd udp_ofd;
+
+	udp_ofd.cb = udp_fd_cb;
+	rc =  osmo_sock_init_ofd(&udp_ofd, AF_INET, SOCK_DGRAM, IPPROTO_UDP, NULL, 8888, OSMO_SOCK_F_BIND);
+	if (rc < 0)
+		exit(1);
+
+	while (1) {
+		osmo_select_main(0);
+	};
+
+	exit(0);
+}