mirror of
https://git.kernel.org/pub/scm/bluetooth/bluez.git
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168 lines
3.5 KiB
C
168 lines
3.5 KiB
C
/*
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*
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* BlueZ - Bluetooth protocol stack for Linux
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*
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* Copyright (C) 2004-2010 Marcel Holtmann <marcel@holtmann.org>
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*
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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 <errno.h>
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#include <unistd.h>
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#include <sys/socket.h>
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#include <bluetooth/bluetooth.h>
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#include <bluetooth/rfcomm.h>
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#include <glib.h>
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#include <gdbus.h>
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#include "plugin.h"
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#include "adapter.h"
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#include "log.h"
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static gboolean session_event(GIOChannel *chan,
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GIOCondition cond, gpointer data)
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{
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unsigned char buf[672];
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gsize len, written;
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GIOError err;
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if (cond & (G_IO_HUP | G_IO_ERR | G_IO_NVAL))
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return FALSE;
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err = g_io_channel_read(chan, (gchar *) buf, sizeof(buf), &len);
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if (err == G_IO_ERROR_AGAIN)
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return TRUE;
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g_io_channel_write(chan, (const gchar *) buf, len, &written);
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return TRUE;
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}
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static gboolean connect_event(GIOChannel *chan,
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GIOCondition cond, gpointer data)
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{
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GIOChannel *io;
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struct sockaddr_rc addr;
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socklen_t optlen;
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char address[18];
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int sk, nsk;
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sk = g_io_channel_unix_get_fd(chan);
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memset(&addr, 0, sizeof(addr));
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optlen = sizeof(addr);
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nsk = accept(sk, (struct sockaddr *) &addr, &optlen);
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if (nsk < 0)
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return TRUE;
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io = g_io_channel_unix_new(nsk);
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g_io_channel_set_close_on_unref(io, TRUE);
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ba2str(&addr.rc_bdaddr, address);
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g_io_add_watch(io, G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
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session_event, NULL);
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return TRUE;
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}
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static GIOChannel *setup_rfcomm(uint8_t channel)
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{
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GIOChannel *io;
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struct sockaddr_rc addr;
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int sk;
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sk = socket(PF_BLUETOOTH, SOCK_STREAM, BTPROTO_RFCOMM);
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if (sk < 0)
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return NULL;
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memset(&addr, 0, sizeof(addr));
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addr.rc_family = AF_BLUETOOTH;
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bacpy(&addr.rc_bdaddr, BDADDR_ANY);
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addr.rc_channel = channel;
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if (bind(sk, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
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close(sk);
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return NULL;
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}
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if (listen(sk, 10) < 0) {
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close(sk);
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return NULL;
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}
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io = g_io_channel_unix_new(sk);
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g_io_channel_set_close_on_unref(io, TRUE);
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g_io_add_watch(io, G_IO_IN, connect_event, NULL);
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return io;
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}
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static GIOChannel *chan = NULL;
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static int echo_probe(struct btd_adapter *adapter)
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{
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const char *path = adapter_get_path(adapter);
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DBG("path %s", path);
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chan = setup_rfcomm(23);
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return 0;
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}
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static void echo_remove(struct btd_adapter *adapter)
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{
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const char *path = adapter_get_path(adapter);
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DBG("path %s", path);
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g_io_channel_unref(chan);
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}
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static struct btd_adapter_driver echo_server = {
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.name = "echo-server",
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.probe = echo_probe,
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.remove = echo_remove,
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};
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static int echo_init(void)
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{
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DBG("Setup echo plugin");
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return btd_register_adapter_driver(&echo_server);
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}
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static void echo_exit(void)
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{
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DBG("Cleanup echo plugin");
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btd_unregister_adapter_driver(&echo_server);
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}
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BLUETOOTH_PLUGIN_DEFINE(echo, VERSION,
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BLUETOOTH_PLUGIN_PRIORITY_DEFAULT, echo_init, echo_exit)
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