mirror of git://git.sysmocom.de/ofono
156 lines
3.3 KiB
C
156 lines
3.3 KiB
C
/*
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*
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* oFono - Open Source Telephony
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*
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* Copyright (C) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
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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 General Public License version 2 as
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* published by the Free Software Foundation.
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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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdint.h>
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#include <sys/ioctl.h>
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#include <net/if.h>
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#include <fcntl.h>
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#include <unistd.h>
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#include <glib.h>
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#include "phonet.h"
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#include "socket.h"
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#include "pep.h"
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struct _GIsiPEP {
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GIsiPEPCallback ready;
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void *opaque;
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int gprs_fd;
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guint source;
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uint16_t handle;
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};
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static gboolean g_isi_pep_callback(GIOChannel *channel, GIOCondition cond,
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gpointer data)
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{
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GIsiPEP *pep = data;
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int fd = g_io_channel_unix_get_fd(channel);
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int encap = PNPIPE_ENCAP_IP;
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if (cond & (G_IO_HUP|G_IO_NVAL))
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return FALSE;
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fd = accept(fd, NULL, NULL);
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if (fd == -1)
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return TRUE;
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fcntl(fd, F_SETFD, FD_CLOEXEC);
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if (setsockopt(fd, SOL_PNPIPE, PNPIPE_ENCAP, &encap, sizeof(encap))) {
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close(fd);
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return TRUE;
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}
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pep->gprs_fd = fd;
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if (pep->ready != NULL)
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pep->ready(pep, pep->opaque);
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return FALSE;
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}
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GIsiPEP *g_isi_pep_create(GIsiModem *modem, GIsiPEPCallback cb, void *opaque)
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{
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unsigned ifi = g_isi_modem_index(modem);
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GIsiPEP *pep = NULL;
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GIOChannel *channel;
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int fd;
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char buf[IF_NAMESIZE];
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fd = socket(PF_PHONET, SOCK_SEQPACKET, 0);
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if (fd == -1)
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return NULL;
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fcntl(fd, F_SETFD, FD_CLOEXEC);
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fcntl(fd, F_SETFL, O_NONBLOCK|fcntl(fd, F_GETFL));
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if (if_indextoname(ifi, buf) == NULL)
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goto error;
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if (setsockopt(fd, SOL_SOCKET, SO_BINDTODEVICE, buf, IF_NAMESIZE) != 0)
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goto error;
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pep = g_try_malloc(sizeof(GIsiPEP));
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if (pep == NULL)
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goto error;
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pep->ready = cb;
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pep->opaque = opaque;
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pep->gprs_fd = -1;
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pep->handle = 0;
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if (listen(fd, 1) || ioctl(fd, SIOCPNGETOBJECT, &pep->handle))
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goto error;
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channel = g_io_channel_unix_new(fd);
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g_io_channel_set_close_on_unref(channel, TRUE);
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g_io_channel_set_encoding(channel, NULL, NULL);
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g_io_channel_set_buffered(channel, FALSE);
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pep->source = g_io_add_watch(channel,
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G_IO_IN|G_IO_ERR|G_IO_HUP|G_IO_NVAL,
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g_isi_pep_callback, pep);
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g_io_channel_unref(channel);
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return pep;
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error:
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close(fd);
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g_free(pep);
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return NULL;
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}
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uint16_t g_isi_pep_get_object(const GIsiPEP *pep)
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{
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return pep->handle;
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}
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void g_isi_pep_destroy(GIsiPEP *pep)
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{
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if (pep->gprs_fd != -1)
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close(pep->gprs_fd);
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else
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g_source_remove(pep->source);
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g_free(pep);
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}
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unsigned g_isi_pep_get_ifindex(const GIsiPEP *pep)
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{
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unsigned ifi;
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socklen_t len = sizeof(ifi);
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g_assert(pep->gprs_fd != -1);
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getsockopt(pep->gprs_fd, SOL_PNPIPE, PNPIPE_IFINDEX, &ifi, &len);
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return ifi;
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}
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char *g_isi_pep_get_ifname(const GIsiPEP *pep, char *ifname)
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{
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if (pep->gprs_fd == -1)
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return NULL;
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return if_indextoname(g_isi_pep_get_ifindex(pep), ifname);
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}
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