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/*
* Copyright (C) 2016 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 <stdint.h>
#include <vector>
#include <android-base/parseint.h>
#include <android-base/parsedouble.h>
#include <binder/IBinder.h>
#include <binder/IInterface.h>
#include <binder/IPCThreadState.h>
#include <binder/IServiceManager.h>
#include <binder/PermissionCache.h>
#include <private/android_filesystem_config.h>
#include <storaged.h>
#include <storaged_service.h>
using namespace android::base;
extern sp<storaged_t> storaged;
std::vector<struct uid_info> BpStoraged::dump_uids(const char* /*option*/) {
Parcel data, reply;
data.writeInterfaceToken(IStoraged::getInterfaceDescriptor());
remote()->transact(DUMPUIDS, data, &reply);
uint32_t res_size = reply.readInt32();
std::vector<struct uid_info> res(res_size);
for (auto&& uid : res) {
uid.uid = reply.readInt32();
uid.name = reply.readCString();
reply.read(&uid.io, sizeof(uid.io));
}
return res;
}
IMPLEMENT_META_INTERFACE(Storaged, "Storaged");
status_t BnStoraged::onTransact(uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) {
switch(code) {
case DUMPUIDS: {
if (!data.checkInterface(this))
return BAD_TYPE;
std::vector<struct uid_info> res = dump_uids(NULL);
reply->writeInt32(res.size());
for (auto uid : res) {
reply->writeInt32(uid.uid);
reply->writeCString(uid.name.c_str());
reply->write(&uid.io, sizeof(uid.io));
}
return NO_ERROR;
}
break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
}
std::vector<struct uid_info> Storaged::dump_uids(const char* /* option */) {
std::vector<struct uid_info> uids_v;
std::unordered_map<uint32_t, struct uid_info> uids_m = storaged->get_uids();
for (const auto& it : uids_m) {
uids_v.push_back(it.second);
}
return uids_v;
}
status_t Storaged::dump(int fd, const Vector<String16>& args) {
IPCThreadState* self = IPCThreadState::self();
const int pid = self->getCallingPid();
const int uid = self->getCallingUid();
if ((uid != AID_SHELL) &&
!PermissionCache::checkPermission(
String16("android.permission.DUMP"), pid, uid)) {
return PERMISSION_DENIED;
}
double hours = 0;
int time_window = 0;
uint64_t threshold = 0;
bool force_report = false;
for (size_t i = 0; i < args.size(); i++) {
const auto& arg = args[i];
if (arg == String16("--hours")) {
if (++i >= args.size())
break;
if(!ParseDouble(String8(args[i]).c_str(), &hours))
return BAD_VALUE;
continue;
}
if (arg == String16("--time_window")) {
if (++i >= args.size())
break;
if(!ParseInt(String8(args[i]).c_str(), &time_window))
return BAD_VALUE;
continue;
}
if (arg == String16("--threshold")) {
if (++i >= args.size())
break;
if(!ParseUint(String8(args[i]).c_str(), &threshold))
return BAD_VALUE;
continue;
}
if (arg == String16("--force")) {
force_report = true;
continue;
}
}
uint64_t last_ts = 0;
const std::map<uint64_t, struct uid_records>& records =
storaged->get_uid_records(hours, threshold, force_report);
for (const auto& it : records) {
if (last_ts != it.second.start_ts) {
dprintf(fd, "%llu", (unsigned long long)it.second.start_ts);
}
dprintf(fd, ",%llu\n", (unsigned long long)it.first);
last_ts = it.first;
for (const auto& record : it.second.entries) {
dprintf(fd, "%s %ju %ju %ju %ju %ju %ju %ju %ju\n",
record.name.c_str(),
record.ios.bytes[READ][FOREGROUND][CHARGER_OFF],
record.ios.bytes[WRITE][FOREGROUND][CHARGER_OFF],
record.ios.bytes[READ][BACKGROUND][CHARGER_OFF],
record.ios.bytes[WRITE][BACKGROUND][CHARGER_OFF],
record.ios.bytes[READ][FOREGROUND][CHARGER_ON],
record.ios.bytes[WRITE][FOREGROUND][CHARGER_ON],
record.ios.bytes[READ][BACKGROUND][CHARGER_ON],
record.ios.bytes[WRITE][BACKGROUND][CHARGER_ON]);
}
}
if (time_window) {
storaged->update_uid_io_interval(time_window);
}
return NO_ERROR;
}
sp<IStoraged> get_storaged_service() {
sp<IServiceManager> sm = defaultServiceManager();
if (sm == NULL) return NULL;
sp<IBinder> binder = sm->getService(String16("storaged"));
if (binder == NULL) return NULL;
sp<IStoraged> storaged = interface_cast<IStoraged>(binder);
return storaged;
}
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