1 files changed, 162 insertions, 0 deletions
diff --git a/plugins/echo.c b/plugins/echo.c
new file mode 100644
index 00000000..2c549089
--- /dev/null
+++ b/plugins/echo.c
@@ -0,0 +1,162 @@
+/*
+ *
+ *  BlueZ - Bluetooth protocol stack for Linux
+ *
+ *  Copyright (C) 2004-2008  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 "server.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(const char *adapter)
+{
+	debug("echo probe adapter %s", adapter);
+
+	chan = setup_rfcomm(23);
+
+	return 0;
+}
+
+static void echo_remove(const char *adapter)
+{
+	debug("echo remove adapter %s", adapter);
+
+	g_io_channel_unref(chan);
+}
+
+static struct bt_server echo_server = {
+	.uuid	= "00001101-0000-1000-8000-00805F9B34FB",
+	.probe	= echo_probe,
+	.remove	= echo_remove,
+};
+
+static int echo_init(void)
+{
+	debug("Setup echo plugin");
+
+	return bt_register_server(&echo_server);
+}
+
+static void echo_exit(void)
+{
+	debug("Cleanup echo plugin");
+
+	bt_unregister_server(&echo_server);
+}
+
+BLUETOOTH_PLUGIN_DEFINE("echo", echo_init, echo_exit)