From 865f1108806df04d4bc1b81d08756924e5d52d6a Mon Sep 17 00:00:00 2001 From: Marcel Holtmann Date: Thu, 15 May 2008 02:39:26 +0000 Subject: Add initial work for netlink plugin --- plugins/netlink.c | 85 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 plugins/netlink.c (limited to 'plugins/netlink.c') 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 + * + * + * 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 +#endif + +#include + +#include +#include +#include +#include + +#include + +#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) -- cgit