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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2004-2007 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 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 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 <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <stdint.h>
#include <assert.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <glib.h>
#include "logging.h"
#include "dbus.h"
#include "ipc.h"
#include "unix.h"
#ifndef UNIX_PATH_MAX
#define UNIX_PATH_MAX 108
#endif
static int unix_sock = -1;
static gboolean unix_event(GIOChannel *chan, GIOCondition cond, gpointer data)
{
struct sockaddr_un addr;
socklen_t addrlen;
unsigned char buf[128];
int sk, len;
debug("chan %p cond %td data %p", chan, cond, data);
if (cond & G_IO_NVAL)
return FALSE;
if (cond & (G_IO_HUP | G_IO_ERR)) {
g_io_channel_close(chan);
return FALSE;
}
sk = g_io_channel_unix_get_fd(chan);
memset(&addr, 0, sizeof(addr));
addrlen = sizeof(addr);
len = recvfrom(sk, buf, sizeof(buf), 0, (struct sockaddr *) &addr, &addrlen);
debug("path %s len %d", addr.sun_path + 1, len);
return TRUE;
}
int unix_init(void)
{
GIOChannel *io;
struct sockaddr_un addr;
int sk;
sk = socket(PF_LOCAL, SOCK_DGRAM, 0);
if (sk < 0) {
error("Can't create unix socket: %s (%d)", strerror(errno), errno);
return -1;
}
memset(&addr, 0, sizeof(addr));
addr.sun_family = AF_UNIX;
snprintf(addr.sun_path + 1, UNIX_PATH_MAX - 2, "%s", IPC_SOCKET_NAME);
if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
error("Can't bind unix socket: %s (%d)", strerror(errno), errno);
close(sk);
return -1;
}
set_nonblocking(sk);
unix_sock = sk;
io = g_io_channel_unix_new(sk);
g_io_add_watch(io, G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
unix_event, NULL);
g_io_channel_unref(io);
return 0;
}
void unix_exit(void)
{
close(unix_sock);
unix_sock = -1;
}
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