Add initial work for netlink plugin

1 files changed, 85 insertions, 0 deletions

diff --git a/plugins/netlink.c b/plugins/netlink.c
new file mode 100644
index 00000000..e1b1bb96
--- /dev/null
+++ b/plugins/netlink.c
@@ -0,0 +1,85 @@
+/*
+ *
+ *  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 <netlink/netlink.h>
+#include <netlink/genl/genl.h>
+#include <netlink/genl/ctrl.h>
+#include <netlink/genl/family.h>
+
+#include <bluetooth/bluetooth.h>
+
+#include "plugin.h"
+#include "logging.h"
+
+static struct nl_handle *handle;
+static struct nl_cache *cache;
+static struct genl_family *family;
+
+static int netlink_init(void)
+{
+	info("Starting experimental netlink support");
+
+	handle = nl_handle_alloc();
+	if (!handle) {
+		error("Failed to allocate netlink handle");
+		return -ENOMEM;
+	}
+
+	if (genl_connect(handle) < 0) {
+		error("Failed to connect to generic netlink");
+		nl_handle_destroy(handle);
+		return -ENOLINK;
+	}
+
+	cache = genl_ctrl_alloc_cache(handle);
+	if (!cache) {
+		error("Failed to allocate generic netlink cache");
+		return -ENOMEM;
+		nl_handle_destroy(handle);
+	}
+
+	family = genl_ctrl_search_by_name(cache, "bluetooth");
+	if (!family) {
+		error("Failed to find Bluetooth netlink family");
+		nl_cache_free(cache);
+		nl_handle_destroy(handle);
+		return -ENOENT;
+	}
+
+	return 0;
+}
+
+static void netlink_exit(void)
+{
+	nl_handle_destroy(handle);
+	nl_cache_free(cache);
+	nl_handle_destroy(handle);
+}
+
+BLUETOOTH_PLUGIN_DEFINE("netlink", netlink_init, netlink_exit)