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San Mehatf1b736b2009-10-10 17:22:08 -07001/*
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
Paul Crowley14c8c072018-09-18 13:30:21 -070017#include <errno.h>
San Mehatf1b736b2009-10-10 17:22:08 -070018#include <stdio.h>
19#include <stdlib.h>
Olivier Bailly37dcda62010-11-16 10:41:53 -080020#include <string.h>
San Mehatf1b736b2009-10-10 17:22:08 -070021
Jeff Sharkey3472e522017-10-06 18:02:53 -060022#include <android-base/logging.h>
San Mehatf1b736b2009-10-10 17:22:08 -070023
24#include <sysutils/NetlinkEvent.h>
25#include "NetlinkHandler.h"
26#include "VolumeManager.h"
27
Paul Crowley14c8c072018-09-18 13:30:21 -070028NetlinkHandler::NetlinkHandler(int listenerSocket) : NetlinkListener(listenerSocket) {}
San Mehatf1b736b2009-10-10 17:22:08 -070029
Paul Crowley14c8c072018-09-18 13:30:21 -070030NetlinkHandler::~NetlinkHandler() {}
San Mehatf1b736b2009-10-10 17:22:08 -070031
32int NetlinkHandler::start() {
33 return this->startListener();
34}
35
36int NetlinkHandler::stop() {
37 return this->stopListener();
38}
39
Paul Crowley14c8c072018-09-18 13:30:21 -070040void NetlinkHandler::onEvent(NetlinkEvent* evt) {
41 VolumeManager* vm = VolumeManager::Instance();
42 const char* subsys = evt->getSubsystem();
San Mehatf1b736b2009-10-10 17:22:08 -070043
44 if (!subsys) {
Jeff Sharkey3472e522017-10-06 18:02:53 -060045 LOG(WARNING) << "No subsystem found in netlink event";
San Mehatf1b736b2009-10-10 17:22:08 -070046 return;
47 }
48
Jeff Sharkey3472e522017-10-06 18:02:53 -060049 if (std::string(subsys) == "block") {
San Mehatfd7f5872009-10-12 11:32:47 -070050 vm->handleBlockEvent(evt);
San Mehatf1b736b2009-10-10 17:22:08 -070051 }
52}