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authorMarcel Holtmann <marcel@holtmann.org>2008-05-15 02:39:26 +0000
committerMarcel Holtmann <marcel@holtmann.org>2008-05-15 02:39:26 +0000
commit865f1108806df04d4bc1b81d08756924e5d52d6a (patch)
tree7331cc1cddca390a10cb4e879d24ccda1b17da5d
parentaacac39879203869ff190be2df7a6f0556ced060 (diff)
Add initial work for netlink plugin
-rw-r--r--acinclude.m48
-rw-r--r--configure.in1
-rw-r--r--plugins/Makefile.am20
-rw-r--r--plugins/netlink.c85
4 files changed, 112 insertions, 2 deletions
diff --git a/acinclude.m4 b/acinclude.m4
index 07572bb7..5aed6526 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -138,6 +138,12 @@ AC_DEFUN([AC_PATH_USB], [
AC_DEFINE(NEED_USB_INTERRUPT_READ, 1, [Define to 1 if you need the usb_interrupt_read() function.]))
])
+AC_DEFUN([AC_PATH_NETLINK], [
+ PKG_CHECK_MODULES(NETLINK, libnl-1, netlink_found=yes, netlink_found=no)
+ AC_SUBST(NETLINK_CFLAGS)
+ AC_SUBST(NETLINK_LIBS)
+])
+
AC_DEFUN([AC_PATH_SNDFILE], [
PKG_CHECK_MODULES(SNDFILE, sndfile, sndfile_found=yes, sndfile_found=no)
AC_SUBST(SNDFILE_CFLAGS)
@@ -149,6 +155,7 @@ AC_DEFUN([AC_ARG_BLUEZ], [
debug_enable=no
pie_enable=no
sndfile_enable=${sndfile_found}
+ netlink_enable=${netlink_found}
usb_enable=${usb_found}
alsa_enable=${alsa_found}
glib_enable=no
@@ -336,6 +343,7 @@ AC_DEFUN([AC_ARG_BLUEZ], [
AC_SUBST([SBC_LIBS], ['$(top_builddir)/sbc/libsbc.la'])
AM_CONDITIONAL(SNDFILE, test "${sndfile_enable}" = "yes" && test "${sndfile_found}" = "yes")
+ AM_CONDITIONAL(NETLINK, test "${netlink_enable}" = "yes" && test "${netlink_found}" = "yes")
AM_CONDITIONAL(USB, test "${usb_enable}" = "yes" && test "${usb_found}" = "yes")
AM_CONDITIONAL(SBC, test "${alsa_enable}" = "yes" || test "${gstreamer_enable}" = "yes")
AM_CONDITIONAL(ALSA, test "${alsa_enable}" = "yes" && test "${alsa_found}" = "yes")
diff --git a/configure.in b/configure.in
index 824e7a27..3fdde2d9 100644
--- a/configure.in
+++ b/configure.in
@@ -31,6 +31,7 @@ AC_PATH_DBUS
AC_PATH_ALSA
AC_PATH_GSTREAMER
AC_PATH_USB
+AC_PATH_NETLINK
AC_PATH_SNDFILE
AC_ARG_BLUEZ
diff --git a/plugins/Makefile.am b/plugins/Makefile.am
index 6f07b99a..2a3212e1 100644
--- a/plugins/Makefile.am
+++ b/plugins/Makefile.am
@@ -1,7 +1,13 @@
plugindir = $(libdir)/bluetooth/plugins
-plugin_LTLIBRARIES = libstorage.la
+if NETLINK
+netlink_plugins = libnetlink.la
+else
+netlink_plugins =
+endif
+
+plugin_LTLIBRARIES = libstorage.la $(netlink_plugins)
libstorage_la_SOURCES = storage.c
@@ -9,16 +15,24 @@ noinst_LTLIBRARIES = libecho.la
libecho_la_SOURCES = echo.c
+if NETLINK
+libnetlink_la_SOURCES = netlink.c
+
+libnetlink_la_LIBADD = @NETLINK_LIBS@
+endif
+
AM_LDFLAGS = -module -avoid-version -no-undefined \
-export-symbols-regex bluetooth_plugin_desc
-AM_CFLAGS = @BLUEZ_CFLAGS@ @DBUS_CFLAGS@ @GLIB_CFLAGS@ @GDBUS_CFLAGS@
+AM_CFLAGS = @BLUEZ_CFLAGS@ @DBUS_CFLAGS@ @GLIB_CFLAGS@ @GDBUS_CFLAGS@ @NETLINK_CFLAGS@
INCLUDES = -I$(top_srcdir)/common -I$(top_srcdir)/hcid
MAINTAINERCLEANFILES = Makefile.in
all-local:
+ @$(LN_S) -f $(top_srcdir)/plugins/.libs/libstorage.so
+ @$(LN_S) -f $(top_srcdir)/plugins/.libs/libnetlink.so
@$(LN_S) -f $(top_srcdir)/input/.libs/libinput.so
@$(LN_S) -f $(top_srcdir)/audio/.libs/libaudio.so
@$(LN_S) -f $(top_srcdir)/serial/.libs/libserial.so
@@ -29,3 +43,5 @@ clean-local:
@rm -f libserial.so
@rm -f libaudio.so
@rm -f libinput.so
+ @rm -f libnetlink.so
+ @rm -f libstorage.so
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)