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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2004-2009 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 <errno.h>
#include <unistd.h>
#include <sys/socket.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/rfcomm.h>
#include <glib.h>
#include <gdbus.h>
#include "plugin.h"
#include "adapter.h"
#include "logging.h"
static gboolean session_event(GIOChannel *chan,
GIOCondition cond, gpointer data)
{
unsigned char buf[672];
gsize len, written;
GIOError err;
if (cond & (G_IO_HUP | G_IO_ERR | G_IO_NVAL))
return FALSE;
err = g_io_channel_read(chan, (gchar *) buf, sizeof(buf), &len);
if (err == G_IO_ERROR_AGAIN)
return TRUE;
g_io_channel_write(chan, (const gchar *) buf, len, &written);
return TRUE;
}
static gboolean connect_event(GIOChannel *chan,
GIOCondition cond, gpointer data)
{
GIOChannel *io;
struct sockaddr_rc addr;
socklen_t optlen;
char address[18];
int sk, nsk;
sk = g_io_channel_unix_get_fd(chan);
memset(&addr, 0, sizeof(addr));
optlen = sizeof(addr);
nsk = accept(sk, (struct sockaddr *) &addr, &optlen);
if (nsk < 0)
return TRUE;
io = g_io_channel_unix_new(nsk);
g_io_channel_set_close_on_unref(io, TRUE);
ba2str(&addr.rc_bdaddr, address);
g_io_add_watch(io, G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
session_event, NULL);
return TRUE;
}
static GIOChannel *setup_rfcomm(uint8_t channel)
{
GIOChannel *io;
struct sockaddr_rc addr;
int sk;
sk = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
if (sk < 0)
return NULL;
memset(&addr, 0, sizeof(addr));
addr.rc_family = AF_BLUETOOTH;
bacpy(&addr.rc_bdaddr, BDADDR_ANY);
addr.rc_channel = channel;
if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
close(sk);
return NULL;
}
if (listen(sk, 10) < 0) {
close(sk);
return NULL;
}
io = g_io_channel_unix_new(sk);
g_io_channel_set_close_on_unref(io, TRUE);
g_io_add_watch(io, G_IO_IN, connect_event, NULL);
return io;
}
static GIOChannel *chan = NULL;
static int echo_probe(struct btd_adapter *adapter)
{
const char *path = adapter_get_path(adapter);
DBG("path %s", path);
chan = setup_rfcomm(23);
return 0;
}
static void echo_remove(struct btd_adapter *adapter)
{
const char *path = adapter_get_path(adapter);
DBG("path %s", path);
g_io_channel_unref(chan);
}
static struct btd_adapter_driver echo_server = {
.name = "echo-server",
.probe = echo_probe,
.remove = echo_remove,
};
static int echo_init(void)
{
debug("Setup echo plugin");
return btd_register_adapter_driver(&echo_server);
}
static void echo_exit(void)
{
debug("Cleanup echo plugin");
btd_unregister_adapter_driver(&echo_server);
}
BLUETOOTH_PLUGIN_DEFINE("echo", echo_init, echo_exit)
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