3 * oFono - Open Source Telephony
5 * Copyright (C) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
27 #include <sys/types.h>
28 #include <sys/socket.h>
29 #include <sys/ioctl.h>
38 GIOChannel *g_isi_phonet_new(unsigned ifindex)
41 struct sockaddr_pn addr = {
42 .spn_family = AF_PHONET,
44 char buf[IF_NAMESIZE];
46 int fd = socket(PF_PHONET, SOCK_DGRAM, 0);
50 fcntl(fd, F_SETFD, FD_CLOEXEC);
51 /* Use blocking mode on purpose. */
54 g_warning("Unspecified modem interface index");
55 else if (if_indextoname(ifindex, buf) == NULL ||
56 setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, buf, IF_NAMESIZE))
59 if (bind(fd, (void *)&addr, sizeof(addr)))
62 channel = g_io_channel_unix_new(fd);
63 g_io_channel_set_close_on_unref(channel, TRUE);
64 g_io_channel_set_encoding(channel, NULL, NULL);
65 g_io_channel_set_buffered(channel, FALSE);
73 size_t g_isi_phonet_peek_length(GIOChannel *channel)
76 int fd = g_io_channel_unix_get_fd(channel);
78 return ioctl(fd, FIONREAD, &len) ? 0 : len;
81 ssize_t g_isi_phonet_read(GIOChannel *channel, void *restrict buf, size_t len,
82 struct sockaddr_pn *addr)
84 socklen_t addrlen = sizeof(struct sockaddr_pn);
87 ret = recvfrom(g_io_channel_unix_get_fd(channel), buf, len,
88 MSG_DONTWAIT, (void *)addr, &addrlen);