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/* liesten to meas_feed on UDP and write it to sqlite3 database */
/* (C) 2012 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 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/utils.h>
#include <osmocom/core/msgb.h>
#include <osmocom/core/select.h>
#include <osmocom/core/talloc.h>
#include <osmocom/gsm/gsm_utils.h>
#include <openbsc/meas_feed.h>
#include "meas_db.h"
static struct osmo_fd udp_ofd;
static struct meas_db_state *db;
static int handle_msg(struct msgb *msg)
{
struct meas_feed_hdr *mfh = (struct meas_feed_hdr *) msgb_data(msg);
struct meas_feed_meas *mfm = (struct meas_feed_meas *) msgb_data(msg);
const char *scenario;
time_t now = time(NULL);
if (mfh->version != MEAS_FEED_VERSION)
return -EINVAL;
if (mfh->msg_type != MEAS_FEED_MEAS)
return -EINVAL;
if (strlen(mfm->scenario))
scenario = mfm->scenario;
else
scenario = NULL;
meas_db_insert(db, mfm->imsi, mfm->name, now,
scenario, &mfm->mr);
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)
{
char *db_fname;
int rc;
msgb_talloc_ctx_init(NULL, 0);
if (argc < 2) {
fprintf(stderr, "You have to specify the database file name\n");
exit(2);
}
db_fname = argv[1];
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) {
fprintf(stderr, "Unable to create UDP listen socket\n");
exit(1);
}
db = meas_db_open(NULL, db_fname);
if (!db) {
fprintf(stderr, "Unable to open database\n");
exit(1);
}
/* FIXME: timer-based BEGIN/COMMIT */
while (1) {
osmo_select_main(0);
};
meas_db_close(db);
exit(0);
}
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