libsysutils: New C++ system convenience library
This library contains re-usable classes for common
system level daemons. Initial consumers of this library
are 'nexus' and 'vold2'
Signed-off-by: San Mehat <san@google.com>
diff --git a/libsysutils/src/NetlinkListener.cpp b/libsysutils/src/NetlinkListener.cpp
new file mode 100644
index 0000000..d871341
--- /dev/null
+++ b/libsysutils/src/NetlinkListener.cpp
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include <errno.h>
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+#define LOG_TAG "NetlinkListener"
+#include <cutils/log.h>
+
+#include <sysutils/NetlinkListener.h>
+#include <sysutils/NetlinkEvent.h>
+
+NetlinkListener::NetlinkListener(int socket) :
+ SocketListener(socket, false) {
+}
+
+bool NetlinkListener::onDataAvailable(int socket)
+{
+ LOGD("NetlinkListener::onDataAvailable()");
+
+ int count;
+
+ if ((count = recv(socket, mBuffer, sizeof(mBuffer), 0)) < 0) {
+ LOGE("recv failed (%s)", strerror(errno));
+ return false;
+ }
+
+ NetlinkEvent *evt = new NetlinkEvent();
+ if (!evt->decode(mBuffer, count)) {
+ LOGE("Error decoding NetlinkEvent");
+ goto out;
+ }
+
+ LOGD("Ignoring '%s' netlink event", evt->getSubsystem());
+
+out:
+ delete evt;
+ return true;
+}