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