109 lines
2.5 KiB
C
109 lines
2.5 KiB
C
/* OpenBSC sokcet code, taken from Abis input driver for ip.access */
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/* (C) 2009 by Harald Welte <laforge@gnumonks.org>
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* (C) 2010 by Holger Hans Peter Freyther
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* (C) 2010 by On-Waves
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include <time.h>
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#include <sys/fcntl.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <sys/ioctl.h>
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#include <arpa/inet.h>
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#include <osmocore/select.h>
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#include <osmocore/tlv.h>
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#include <osmocore/msgb.h>
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#include <openbsc/debug.h>
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#include <openbsc/gsm_data.h>
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#include <osmocore/talloc.h>
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int make_sock(struct bsc_fd *bfd, int proto, u_int32_t ip, u_int16_t port,
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int (*cb)(struct bsc_fd *fd, unsigned int what))
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{
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struct sockaddr_in addr;
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int ret, on = 1;
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int type = SOCK_STREAM;
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switch (proto) {
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case IPPROTO_TCP:
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type = SOCK_STREAM;
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break;
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case IPPROTO_UDP:
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type = SOCK_DGRAM;
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break;
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case IPPROTO_GRE:
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type = SOCK_RAW;
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break;
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default:
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return -EINVAL;
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}
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bfd->fd = socket(AF_INET, type, proto);
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bfd->cb = cb;
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bfd->when = BSC_FD_READ;
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//bfd->data = line;
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if (bfd->fd < 0) {
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LOGP(DINP, LOGL_ERROR, "could not create socket.\n");
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return -EIO;
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}
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memset(&addr, 0, sizeof(addr));
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addr.sin_family = AF_INET;
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addr.sin_port = htons(port);
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if (ip)
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addr.sin_addr.s_addr = htonl(ip);
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else
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addr.sin_addr.s_addr = INADDR_ANY;
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setsockopt(bfd->fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
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ret = bind(bfd->fd, (struct sockaddr *) &addr, sizeof(addr));
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if (ret < 0) {
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LOGP(DINP, LOGL_ERROR, "could not bind socket %s\n",
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strerror(errno));
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close(bfd->fd);
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return -EIO;
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}
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if (proto == IPPROTO_TCP) {
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ret = listen(bfd->fd, 1);
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if (ret < 0) {
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perror("listen");
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close(bfd->fd);
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return ret;
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}
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}
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ret = bsc_register_fd(bfd);
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if (ret < 0) {
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perror("register_listen_fd");
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close(bfd->fd);
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return ret;
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}
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return 0;
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}
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