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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 <stdio.h>
18 #include <stdlib.h>
19 #include <errno.h>
20 #include <string.h>
21 
22 #define LOG_TAG "Vold"
23 
24 #include <cutils/log.h>
25 
26 #include <sysutils/NetlinkEvent.h>
27 #include "NetlinkHandler.h"
28 #include "VolumeManager.h"
29 
NetlinkHandler(int listenerSocket)30 NetlinkHandler::NetlinkHandler(int listenerSocket) :
31                 NetlinkListener(listenerSocket) {
32 }
33 
~NetlinkHandler()34 NetlinkHandler::~NetlinkHandler() {
35 }
36 
start()37 int NetlinkHandler::start() {
38     return this->startListener();
39 }
40 
stop()41 int NetlinkHandler::stop() {
42     return this->stopListener();
43 }
44 
onEvent(NetlinkEvent * evt)45 void NetlinkHandler::onEvent(NetlinkEvent *evt) {
46     VolumeManager *vm = VolumeManager::Instance();
47     const char *subsys = evt->getSubsystem();
48 
49     if (!subsys) {
50         SLOGW("No subsystem found in netlink event");
51         return;
52     }
53 
54     if (!strcmp(subsys, "block")) {
55         vm->handleBlockEvent(evt);
56     }
57 }
58