1 /*
2  * Copyright (C) 2008 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #include <errno.h>
18 #include <stdio.h>
19 #include <stdlib.h>
20 #include <string.h>
21 
22 #include <android-base/logging.h>
23 
24 #include <sysutils/NetlinkEvent.h>
25 #include "NetlinkHandler.h"
26 #include "VolumeManager.h"
27 
NetlinkHandler(int listenerSocket)28 NetlinkHandler::NetlinkHandler(int listenerSocket) : NetlinkListener(listenerSocket) {}
29 
~NetlinkHandler()30 NetlinkHandler::~NetlinkHandler() {}
31 
start()32 int NetlinkHandler::start() {
33     return this->startListener();
34 }
35 
onEvent(NetlinkEvent * evt)36 void NetlinkHandler::onEvent(NetlinkEvent* evt) {
37     VolumeManager* vm = VolumeManager::Instance();
38     const char* subsys = evt->getSubsystem();
39 
40     if (!subsys) {
41         LOG(WARNING) << "No subsystem found in netlink event";
42         return;
43     }
44 
45     if (std::string(subsys) == "block") {
46         vm->handleBlockEvent(evt);
47     }
48 }
49