92 lines
2.8 KiB
C++
92 lines
2.8 KiB
C++
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/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <errno.h>
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#define LOG_TAG "Vold"
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#include <cutils/log.h>
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#include <sysutils/NetlinkEvent.h>
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#include "NetlinkHandler.h"
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#include "VolumeManager.h"
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NetlinkHandler::NetlinkHandler(int listenerSocket) :
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NetlinkListener(listenerSocket) {
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}
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NetlinkHandler::~NetlinkHandler() {
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}
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int NetlinkHandler::start() {
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return this->startListener();
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}
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int NetlinkHandler::stop() {
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return this->stopListener();
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}
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void NetlinkHandler::onEvent(NetlinkEvent *evt) {
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VolumeManager *vm = VolumeManager::Instance();
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const char *subsys = evt->getSubsystem();
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int action = evt->getAction();
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if (!subsys) {
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LOGW("No subsystem found in netlink event");
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return;
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}
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if (!strcmp(subsys, "block")) {
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const char *devpath = evt->findParam("DEVPATH");
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const char *devtype = evt->findParam("DEVTYPE");
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int major = atoi(evt->findParam("MAJOR"));
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int minor = atoi(evt->findParam("MINOR"));
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LOGI("Block event %d, type %s, %d:%d, path '%s'", action, devtype, major, minor, devpath);
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if (!strcmp(devtype, "disk")) {
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const char *tmp = evt->findParam("NPARTS");
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if (!tmp) {
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LOGE("Disk uevent missing 'NPARTS' parameter");
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return;
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}
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if (action == NetlinkEvent::NlActionAdd)
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vm->handleDiskInserted(devpath, major, minor, atoi(tmp));
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else if (action == NetlinkEvent::NlActionRemove)
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vm->handleDiskRemoved(major, minor);
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} else {
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const char *tmp = evt->findParam("PARTN");
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if (!tmp) {
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LOGE("Partition uevent missing 'PARTN' parameter");
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return;
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}
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if (action == NetlinkEvent::NlActionAdd)
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vm->handlePartCreated(devpath, major, minor, atoi(tmp));
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else if (action == NetlinkEvent::NlActionRemove)
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vm->handlePartRemoved(major, minor);
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}
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LOGD("Block event handled");
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} else if (!strcmp(subsys, "battery")) {
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} else if (!strcmp(subsys, "power_supply")) {
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} else {
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LOGE("Dropping %s netlink event", subsys);
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}
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}
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