osmo-bsc/src/gprs/gtphub_sock.c

61 lines
1.8 KiB
C

/* GTP Hub Implementation */
/* (C) 2015 by sysmocom s.f.m.c. GmbH <info@sysmocom.de>
* All Rights Reserved
*
* gtphub_sock.c.
*
* This file is kept separate so that these functions can be wrapped for
* gtphub_test.c. When a function and its callers are in the same compilational
* unit, the wrappability may be optimized away.
*
* Author: Neels Hofmeyr
*
* 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 <openbsc/gtphub.h>
#include <openbsc/debug.h>
/* Convenience makro, note: only within this C file. */
#define LOG(level, fmt, args...) \
LOGP(DGTPHUB, level, fmt, ##args)
int gtphub_write(const struct osmo_fd *to,
const struct osmo_sockaddr *to_addr,
const uint8_t *buf, size_t buf_len)
{
errno = 0;
ssize_t sent = sendto(to->fd, buf, buf_len, 0,
(struct sockaddr*)&to_addr->a, to_addr->l);
LOG(LOGL_DEBUG, "to %s\n", osmo_sockaddr_to_str(to_addr));
if (sent == -1) {
LOG(LOGL_ERROR, "error: %s\n", strerror(errno));
return -EINVAL;
}
if (sent != buf_len)
LOG(LOGL_ERROR, "sent(%d) != data_len(%d)\n",
(int)sent, (int)buf_len);
else
LOG(LOGL_DEBUG, "Sent %d: %s%s\n",
(int)sent,
osmo_hexdump(buf, sent > 1000? 1000 : sent),
sent > 1000 ? "..." : "");
return 0;
}