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abefde6c1f4e2af6e57812a2b7eec6443e36e686
frameworks_base/cmds/statsd/src/StatsService.cpp

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/*
* Copyright (C) 2017 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.
*/
#define DEBUG false // STOPSHIP if true
#include "Log.h"
#include "StatsService.h"
#include "stats_log_util.h"
#include "android-base/stringprintf.h"
#include "config/ConfigKey.h"
#include "config/ConfigManager.h"
#include "guardrail/StatsdStats.h"
#include "storage/StorageManager.h"
#include "subscriber/SubscriberReporter.h"
#include <android-base/file.h>
#include <android-base/stringprintf.h>
#include <binder/IPCThreadState.h>
#include <binder/IServiceManager.h>
#include <binder/PermissionController.h>
#include <dirent.h>
#include <frameworks/base/cmds/statsd/src/statsd_config.pb.h>
#include <private/android_filesystem_config.h>
#include <utils/Looper.h>
#include <utils/String16.h>
#include <statslog.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/system_properties.h>
#include <unistd.h>
using namespace android;
using android::base::StringPrintf;
namespace android {
namespace os {
namespace statsd {
constexpr const char* kPermissionDump = "android.permission.DUMP";
constexpr const char* kPermissionUsage = "android.permission.PACKAGE_USAGE_STATS";
constexpr const char* kOpUsage = "android:get_usage_stats";
#define STATS_SERVICE_DIR "/data/misc/stats-service"
static binder::Status ok() {
return binder::Status::ok();
}
static binder::Status exception(uint32_t code, const std::string& msg) {
ALOGE("%s (%d)", msg.c_str(), code);
return binder::Status::fromExceptionCode(code, String8(msg.c_str()));
}
binder::Status checkUid(uid_t expectedUid) {
uid_t uid = IPCThreadState::self()->getCallingUid();
if (uid == expectedUid || uid == AID_ROOT) {
return ok();
} else {
return exception(binder::Status::EX_SECURITY,
StringPrintf("UID %d is not expected UID %d", uid, expectedUid));
}
}
binder::Status checkDumpAndUsageStats(const String16& packageName) {
pid_t pid = IPCThreadState::self()->getCallingPid();
uid_t uid = IPCThreadState::self()->getCallingUid();
// Root, system, and shell always have access
if (uid == AID_ROOT || uid == AID_SYSTEM || uid == AID_SHELL) {
return ok();
}
// Caller must be granted these permissions
if (!checkCallingPermission(String16(kPermissionDump))) {
return exception(binder::Status::EX_SECURITY,
StringPrintf("UID %d / PID %d lacks permission %s", uid, pid, kPermissionDump));
}
if (!checkCallingPermission(String16(kPermissionUsage))) {
return exception(binder::Status::EX_SECURITY,
StringPrintf("UID %d / PID %d lacks permission %s", uid, pid, kPermissionUsage));
}
// Caller must also have usage stats op granted
PermissionController pc;
switch (pc.noteOp(String16(kOpUsage), uid, packageName)) {
case PermissionController::MODE_ALLOWED:
case PermissionController::MODE_DEFAULT:
return ok();
default:
return exception(binder::Status::EX_SECURITY,
StringPrintf("UID %d / PID %d lacks app-op %s", uid, pid, kOpUsage));
}
}
#define ENFORCE_UID(uid) { \
binder::Status status = checkUid((uid)); \
if (!status.isOk()) { \
return status; \
} \
}
#define ENFORCE_DUMP_AND_USAGE_STATS(packageName) { \
binder::Status status = checkDumpAndUsageStats(packageName); \
if (!status.isOk()) { \
return status; \
} \
}
StatsService::StatsService(const sp<Looper>& handlerLooper)
: mAnomalyAlarmMonitor(new AlarmMonitor(MIN_DIFF_TO_UPDATE_REGISTERED_ALARM_SECS,
[](const sp<IStatsCompanionService>& sc, int64_t timeMillis) {
if (sc != nullptr) {
sc->setAnomalyAlarm(timeMillis);
StatsdStats::getInstance().noteRegisteredAnomalyAlarmChanged();
}
},
[](const sp<IStatsCompanionService>& sc) {
if (sc != nullptr) {
sc->cancelAnomalyAlarm();
StatsdStats::getInstance().noteRegisteredAnomalyAlarmChanged();
}
})),
mPeriodicAlarmMonitor(new AlarmMonitor(MIN_DIFF_TO_UPDATE_REGISTERED_ALARM_SECS,
[](const sp<IStatsCompanionService>& sc, int64_t timeMillis) {
if (sc != nullptr) {
sc->setAlarmForSubscriberTriggering(timeMillis);
StatsdStats::getInstance().noteRegisteredPeriodicAlarmChanged();
}
},
[](const sp<IStatsCompanionService>& sc) {
if (sc != nullptr) {
sc->cancelAlarmForSubscriberTriggering();
StatsdStats::getInstance().noteRegisteredPeriodicAlarmChanged();
}
})) {
mUidMap = new UidMap();
StatsPuller::SetUidMap(mUidMap);
mConfigManager = new ConfigManager();
mProcessor = new StatsLogProcessor(mUidMap, mAnomalyAlarmMonitor, mPeriodicAlarmMonitor,
getElapsedRealtimeNs(), [this](const ConfigKey& key) {
sp<IStatsCompanionService> sc = getStatsCompanionService();
auto receiver = mConfigManager->GetConfigReceiver(key);
if (sc == nullptr) {
VLOG("Could not find StatsCompanionService");
} else if (receiver == nullptr) {
VLOG("Statscompanion could not find a broadcast receiver for %s",
key.ToString().c_str());
} else {
sc->sendDataBroadcast(receiver, mProcessor->getLastReportTimeNs(key));
}
}
);
mConfigManager->AddListener(mProcessor);
init_system_properties();
}
StatsService::~StatsService() {
}
void StatsService::init_system_properties() {
mEngBuild = false;
const prop_info* buildType = __system_property_find("ro.build.type");
if (buildType != NULL) {
__system_property_read_callback(buildType, init_build_type_callback, this);
}
}
void StatsService::init_build_type_callback(void* cookie, const char* /*name*/, const char* value,
uint32_t serial) {
if (0 == strcmp("eng", value) || 0 == strcmp("userdebug", value)) {
reinterpret_cast<StatsService*>(cookie)->mEngBuild = true;
}
}
/**
* Implement our own because the default binder implementation isn't
* properly handling SHELL_COMMAND_TRANSACTION.
*/
status_t StatsService::onTransact(uint32_t code, const Parcel& data, Parcel* reply,
uint32_t flags) {
switch (code) {
case SHELL_COMMAND_TRANSACTION: {
int in = data.readFileDescriptor();
int out = data.readFileDescriptor();
int err = data.readFileDescriptor();
int argc = data.readInt32();
Vector<String8> args;
for (int i = 0; i < argc && data.dataAvail() > 0; i++) {
args.add(String8(data.readString16()));
}
sp<IShellCallback> shellCallback = IShellCallback::asInterface(data.readStrongBinder());
sp<IResultReceiver> resultReceiver =
IResultReceiver::asInterface(data.readStrongBinder());
FILE* fin = fdopen(in, "r");
FILE* fout = fdopen(out, "w");
FILE* ferr = fdopen(err, "w");
if (fin == NULL || fout == NULL || ferr == NULL) {
resultReceiver->send(NO_MEMORY);
} else {
err = command(fin, fout, ferr, args);
resultReceiver->send(err);
}
if (fin != NULL) {
fflush(fin);
fclose(fin);
}
if (fout != NULL) {
fflush(fout);
fclose(fout);
}
if (fout != NULL) {
fflush(ferr);
fclose(ferr);
}
return NO_ERROR;
}
default: { return BnStatsManager::onTransact(code, data, reply, flags); }
}
}
/**
* Write debugging data about statsd.
*/
status_t StatsService::dump(int fd, const Vector<String16>& args) {
if (!checkCallingPermission(String16(kPermissionDump))) {
return PERMISSION_DENIED;
}
FILE* out = fdopen(fd, "w");
if (out == NULL) {
return NO_MEMORY; // the fd is already open
}
bool verbose = false;
bool proto = false;
if (args.size() > 0 && !args[0].compare(String16("-v"))) {
verbose = true;
}
if (args.size() > 0 && !args[args.size()-1].compare(String16("--proto"))) {
proto = true;
}
dump_impl(out, verbose, proto);
fclose(out);
return NO_ERROR;
}
/**
* Write debugging data about statsd in text or proto format.
*/
void StatsService::dump_impl(FILE* out, bool verbose, bool proto) {
if (proto) {
vector<uint8_t> data;
StatsdStats::getInstance().dumpStats(&data, false); // does not reset statsdStats.
for (size_t i = 0; i < data.size(); i ++) {
fprintf(out, "%c", data[i]);
}
} else {
StatsdStats::getInstance().dumpStats(out);
mProcessor->dumpStates(out, verbose);
}
}
/**
* Implementation of the adb shell cmd stats command.
*/
status_t StatsService::command(FILE* in, FILE* out, FILE* err, Vector<String8>& args) {
uid_t uid = IPCThreadState::self()->getCallingUid();
if (uid != AID_ROOT && uid != AID_SHELL) {
return PERMISSION_DENIED;
}
const int argCount = args.size();
if (argCount >= 1) {
// adb shell cmd stats config ...
if (!args[0].compare(String8("config"))) {
return cmd_config(in, out, err, args);
}
if (!args[0].compare(String8("print-uid-map"))) {
return cmd_print_uid_map(out, args);
}
if (!args[0].compare(String8("dump-report"))) {
return cmd_dump_report(out, err, args);
}
if (!args[0].compare(String8("pull-source")) && args.size() > 1) {
return cmd_print_pulled_metrics(out, args);
}
if (!args[0].compare(String8("send-broadcast"))) {
return cmd_trigger_broadcast(out, args);
}
if (!args[0].compare(String8("print-stats"))) {
return cmd_print_stats(out, args);
}
if (!args[0].compare(String8("meminfo"))) {
return cmd_dump_memory_info(out);
}
if (!args[0].compare(String8("write-to-disk"))) {
return cmd_write_data_to_disk(out);
}
if (!args[0].compare(String8("log-app-breadcrumb"))) {
return cmd_log_app_breadcrumb(out, args);
}
if (!args[0].compare(String8("clear-puller-cache"))) {
return cmd_clear_puller_cache(out);
}
}
print_cmd_help(out);
return NO_ERROR;
}
void StatsService::print_cmd_help(FILE* out) {
fprintf(out,
"usage: adb shell cmd stats print-stats-log [tag_required] "
"[timestamp_nsec_optional]\n");
fprintf(out, "\n");
fprintf(out, "\n");
fprintf(out, "usage: adb shell cmd stats meminfo\n");
fprintf(out, "\n");
fprintf(out, " Prints the malloc debug information. You need to run the following first: \n");
fprintf(out, " # adb shell stop\n");
fprintf(out, " # adb shell setprop libc.debug.malloc.program statsd \n");
fprintf(out, " # adb shell setprop libc.debug.malloc.options backtrace \n");
fprintf(out, " # adb shell start\n");
fprintf(out, "\n");
fprintf(out, "\n");
fprintf(out, "usage: adb shell cmd stats print-uid-map [PKG]\n");
fprintf(out, "\n");
fprintf(out, " Prints the UID, app name, version mapping.\n");
fprintf(out, " PKG Optional package name to print the uids of the package\n");
fprintf(out, "\n");
fprintf(out, "\n");
fprintf(out, "usage: adb shell cmd stats pull-source [int] \n");
fprintf(out, "\n");
fprintf(out, " Prints the output of a pulled metrics source (int indicates source)\n");
fprintf(out, "\n");
fprintf(out, "\n");
fprintf(out, "usage: adb shell cmd stats write-to-disk \n");
fprintf(out, "\n");
fprintf(out, " Flushes all data on memory to disk.\n");
fprintf(out, "\n");
fprintf(out, "\n");
fprintf(out, "usage: adb shell cmd stats log-app-breadcrumb [UID] LABEL STATE\n");
fprintf(out, " Writes an AppBreadcrumbReported event to the statslog buffer.\n");
fprintf(out, " UID The uid to use. It is only possible to pass a UID\n");
fprintf(out, " parameter on eng builds. If UID is omitted the calling\n");
fprintf(out, " uid is used.\n");
fprintf(out, " LABEL Integer in [0, 15], as per atoms.proto.\n");
fprintf(out, " STATE Integer in [0, 3], as per atoms.proto.\n");
fprintf(out, "\n");
fprintf(out, "\n");
fprintf(out, "usage: adb shell cmd stats config remove [UID] [NAME]\n");
fprintf(out, "usage: adb shell cmd stats config update [UID] NAME\n");
fprintf(out, "\n");
fprintf(out, " Adds, updates or removes a configuration. The proto should be in\n");
fprintf(out, " wire-encoded protobuf format and passed via stdin. If no UID and name is\n");
fprintf(out, " provided, then all configs will be removed from memory and disk.\n");
fprintf(out, "\n");
fprintf(out, " UID The uid to use. It is only possible to pass the UID\n");
fprintf(out, " parameter on eng builds. If UID is omitted the calling\n");
fprintf(out, " uid is used.\n");
fprintf(out, " NAME The per-uid name to use\n");
fprintf(out, "\n");
fprintf(out, "\n *Note: If both UID and NAME are omitted then all configs will\n");
fprintf(out, "\n be removed from memory and disk!\n");
fprintf(out, "\n");
fprintf(out, "usage: adb shell cmd stats dump-report [UID] NAME [--proto]\n");
fprintf(out, " Dump all metric data for a configuration.\n");
fprintf(out, " UID The uid of the configuration. It is only possible to pass\n");
fprintf(out, " the UID parameter on eng builds. If UID is omitted the\n");
fprintf(out, " calling uid is used.\n");
fprintf(out, " NAME The name of the configuration\n");
fprintf(out, " --proto Print proto binary.\n");
fprintf(out, "\n");
fprintf(out, "\n");
fprintf(out, "usage: adb shell cmd stats send-broadcast [UID] NAME\n");
fprintf(out, " Send a broadcast that triggers the subscriber to fetch metrics.\n");
fprintf(out, " UID The uid of the configuration. It is only possible to pass\n");
fprintf(out, " the UID parameter on eng builds. If UID is omitted the\n");
fprintf(out, " calling uid is used.\n");
fprintf(out, " NAME The name of the configuration\n");
fprintf(out, "\n");
fprintf(out, "\n");
fprintf(out, "usage: adb shell cmd stats print-stats\n");
fprintf(out, " Prints some basic stats.\n");
fprintf(out, " --proto Print proto binary instead of string format.\n");
fprintf(out, "\n");
fprintf(out, "\n");
fprintf(out, "usage: adb shell cmd stats clear-puller-cache\n");
fprintf(out, " Clear cached puller data.\n");
}
status_t StatsService::cmd_trigger_broadcast(FILE* out, Vector<String8>& args) {
string name;
bool good = false;
int uid;
const int argCount = args.size();
if (argCount == 2) {
// Automatically pick the UID
uid = IPCThreadState::self()->getCallingUid();
// TODO: What if this isn't a binder call? Should we fail?
name.assign(args[1].c_str(), args[1].size());
good = true;
} else if (argCount == 3) {
// If it's a userdebug or eng build, then the shell user can
// impersonate other uids.
if (mEngBuild) {
const char* s = args[1].c_str();
if (*s != '\0') {
char* end = NULL;
uid = strtol(s, &end, 0);
if (*end == '\0') {
name.assign(args[2].c_str(), args[2].size());
good = true;
}
}
} else {
fprintf(out,
"The metrics can only be dumped for other UIDs on eng or userdebug "
"builds.\n");
}
}
if (!good) {
print_cmd_help(out);
return UNKNOWN_ERROR;
}
ConfigKey key(uid, StrToInt64(name));
auto receiver = mConfigManager->GetConfigReceiver(key);
sp<IStatsCompanionService> sc = getStatsCompanionService();
if (sc == nullptr) {
VLOG("Could not access statsCompanion");
} else if (receiver == nullptr) {
VLOG("Could not find receiver for %s, %s", args[1].c_str(), args[2].c_str())
} else {
sc->sendDataBroadcast(receiver, mProcessor->getLastReportTimeNs(key));
VLOG("StatsService::trigger broadcast succeeded to %s, %s", args[1].c_str(),
args[2].c_str());
}
return NO_ERROR;
}
status_t StatsService::cmd_config(FILE* in, FILE* out, FILE* err, Vector<String8>& args) {
const int argCount = args.size();
if (argCount >= 2) {
if (args[1] == "update" || args[1] == "remove") {
bool good = false;
int uid = -1;
string name;
if (argCount == 3) {
// Automatically pick the UID
uid = IPCThreadState::self()->getCallingUid();
// TODO: What if this isn't a binder call? Should we fail?
name.assign(args[2].c_str(), args[2].size());
good = true;
} else if (argCount == 4) {
// If it's a userdebug or eng build, then the shell user can
// impersonate other uids.
if (mEngBuild) {
const char* s = args[2].c_str();
if (*s != '\0') {
char* end = NULL;
uid = strtol(s, &end, 0);
if (*end == '\0') {
name.assign(args[3].c_str(), args[3].size());
good = true;
}
}
} else {
fprintf(err,
"The config can only be set for other UIDs on eng or userdebug "
"builds.\n");
}
} else if (argCount == 2 && args[1] == "remove") {
good = true;
}
if (!good) {
// If arg parsing failed, print the help text and return an error.
print_cmd_help(out);
return UNKNOWN_ERROR;
}
if (args[1] == "update") {
char* endp;
int64_t configID = strtoll(name.c_str(), &endp, 10);
if (endp == name.c_str() || *endp != '\0') {
fprintf(err, "Error parsing config ID.\n");
return UNKNOWN_ERROR;
}
// Read stream into buffer.
string buffer;
if (!android::base::ReadFdToString(fileno(in), &buffer)) {
fprintf(err, "Error reading stream for StatsConfig.\n");
return UNKNOWN_ERROR;
}
// Parse buffer.
StatsdConfig config;
if (!config.ParseFromString(buffer)) {
fprintf(err, "Error parsing proto stream for StatsConfig.\n");
return UNKNOWN_ERROR;
}
// Add / update the config.
mConfigManager->UpdateConfig(ConfigKey(uid, configID), config);
} else {
if (argCount == 2) {
cmd_remove_all_configs(out);
} else {
// Remove the config.
mConfigManager->RemoveConfig(ConfigKey(uid, StrToInt64(name)));
}
}
return NO_ERROR;
}
}
print_cmd_help(out);
return UNKNOWN_ERROR;
}
status_t StatsService::cmd_dump_report(FILE* out, FILE* err, const Vector<String8>& args) {
if (mProcessor != nullptr) {
int argCount = args.size();
bool good = false;
bool proto = false;
int uid;
string name;
if (!std::strcmp("--proto", args[argCount-1].c_str())) {
proto = true;
argCount -= 1;
}
if (argCount == 2) {
// Automatically pick the UID
uid = IPCThreadState::self()->getCallingUid();
// TODO: What if this isn't a binder call? Should we fail?
name.assign(args[1].c_str(), args[1].size());
good = true;
} else if (argCount == 3) {
// If it's a userdebug or eng build, then the shell user can
// impersonate other uids.
if (mEngBuild) {
const char* s = args[1].c_str();
if (*s != '\0') {
char* end = NULL;
uid = strtol(s, &end, 0);
if (*end == '\0') {
name.assign(args[2].c_str(), args[2].size());
good = true;
}
}
} else {
fprintf(out,
"The metrics can only be dumped for other UIDs on eng or userdebug "
"builds.\n");
}
}
if (good) {
vector<uint8_t> data;
mProcessor->onDumpReport(ConfigKey(uid, StrToInt64(name)), getElapsedRealtimeNs(),
false /* include_current_bucket*/, &data);
// TODO: print the returned StatsLogReport to file instead of printing to logcat.
if (proto) {
for (size_t i = 0; i < data.size(); i ++) {
fprintf(out, "%c", data[i]);
}
} else {
fprintf(out, "Dump report for Config [%d,%s]\n", uid, name.c_str());
fprintf(out, "See the StatsLogReport in logcat...\n");
}
return android::OK;
} else {
// If arg parsing failed, print the help text and return an error.
print_cmd_help(out);
return UNKNOWN_ERROR;
}
} else {
fprintf(out, "Log processor does not exist...\n");
return UNKNOWN_ERROR;
}
}
status_t StatsService::cmd_print_stats(FILE* out, const Vector<String8>& args) {
int argCount = args.size();
bool proto = false;
if (!std::strcmp("--proto", args[argCount-1].c_str())) {
proto = true;
argCount -= 1;
}
StatsdStats& statsdStats = StatsdStats::getInstance();
if (proto) {
vector<uint8_t> data;
statsdStats.dumpStats(&data, false); // does not reset statsdStats.
for (size_t i = 0; i < data.size(); i ++) {
fprintf(out, "%c", data[i]);
}
} else {
vector<ConfigKey> configs = mConfigManager->GetAllConfigKeys();
for (const ConfigKey& key : configs) {
fprintf(out, "Config %s uses %zu bytes\n", key.ToString().c_str(),
mProcessor->GetMetricsSize(key));
}
statsdStats.dumpStats(out);
}
return NO_ERROR;
}
status_t StatsService::cmd_print_uid_map(FILE* out, const Vector<String8>& args) {
if (args.size() > 1) {
string pkg;
pkg.assign(args[1].c_str(), args[1].size());
auto uids = mUidMap->getAppUid(pkg);
fprintf(out, "%s -> [ ", pkg.c_str());
for (const auto& uid : uids) {
fprintf(out, "%d ", uid);
}
fprintf(out, "]\n");
} else {
mUidMap->printUidMap(out);
}
return NO_ERROR;
}
status_t StatsService::cmd_write_data_to_disk(FILE* out) {
fprintf(out, "Writing data to disk\n");
mProcessor->WriteDataToDisk();
return NO_ERROR;
}
status_t StatsService::cmd_log_app_breadcrumb(FILE* out, const Vector<String8>& args) {
bool good = false;
int32_t uid;
int32_t label;
int32_t state;
const int argCount = args.size();
if (argCount == 3) {
// Automatically pick the UID
uid = IPCThreadState::self()->getCallingUid();
label = atoi(args[1].c_str());
state = atoi(args[2].c_str());
good = true;
} else if (argCount == 4) {
uid = atoi(args[1].c_str());
// If it's a userdebug or eng build, then the shell user can impersonate other uids.
// Otherwise, the uid must match the actual caller's uid.
if (mEngBuild || (uid >= 0 && (uid_t)uid == IPCThreadState::self()->getCallingUid())) {
label = atoi(args[2].c_str());
state = atoi(args[3].c_str());
good = true;
} else {
fprintf(out,
"Selecting a UID for writing AppBreadcrumb can only be done for other UIDs "
"on eng or userdebug builds.\n");
}
}
if (good) {
fprintf(out, "Logging AppBreadcrumbReported(%d, %d, %d) to statslog.\n", uid, label, state);
android::util::stats_write(android::util::APP_BREADCRUMB_REPORTED, uid, label, state);
} else {
print_cmd_help(out);
return UNKNOWN_ERROR;
}
return NO_ERROR;
}
status_t StatsService::cmd_print_pulled_metrics(FILE* out, const Vector<String8>& args) {
int s = atoi(args[1].c_str());
vector<shared_ptr<LogEvent> > stats;
if (mStatsPullerManager.Pull(s, getElapsedRealtimeNs(), &stats)) {
for (const auto& it : stats) {
fprintf(out, "Pull from %d: %s\n", s, it->ToString().c_str());
}
fprintf(out, "Pull from %d: Received %zu elements\n", s, stats.size());
return NO_ERROR;
}
return UNKNOWN_ERROR;
}
status_t StatsService::cmd_remove_all_configs(FILE* out) {
fprintf(out, "Removing all configs...\n");
VLOG("StatsService::cmd_remove_all_configs was called");
mConfigManager->RemoveAllConfigs();
StorageManager::deleteAllFiles(STATS_SERVICE_DIR);
return NO_ERROR;
}
status_t StatsService::cmd_dump_memory_info(FILE* out) {
fprintf(out, "meminfo not available.\n");
return NO_ERROR;
}
status_t StatsService::cmd_clear_puller_cache(FILE* out) {
IPCThreadState* ipc = IPCThreadState::self();
VLOG("StatsService::cmd_clear_puller_cache with Pid %i, Uid %i",
ipc->getCallingPid(), ipc->getCallingUid());
if (checkCallingPermission(String16(kPermissionDump))) {
int cleared = mStatsPullerManager.ForceClearPullerCache();
fprintf(out, "Puller removed %d cached data!\n", cleared);
return NO_ERROR;
} else {
return PERMISSION_DENIED;
}
}
Status StatsService::informAllUidData(const vector<int32_t>& uid, const vector<int64_t>& version,
const vector<String16>& app) {
ENFORCE_UID(AID_SYSTEM);
VLOG("StatsService::informAllUidData was called");
mUidMap->updateMap(getElapsedRealtimeNs(), uid, version, app);
VLOG("StatsService::informAllUidData succeeded");
return Status::ok();
}
Status StatsService::informOnePackage(const String16& app, int32_t uid, int64_t version) {
ENFORCE_UID(AID_SYSTEM);
VLOG("StatsService::informOnePackage was called");
mUidMap->updateApp(getElapsedRealtimeNs(), app, uid, version);
return Status::ok();
}
Status StatsService::informOnePackageRemoved(const String16& app, int32_t uid) {
ENFORCE_UID(AID_SYSTEM);
VLOG("StatsService::informOnePackageRemoved was called");
mUidMap->removeApp(getElapsedRealtimeNs(), app, uid);
mConfigManager->RemoveConfigs(uid);
return Status::ok();
}
Status StatsService::informAnomalyAlarmFired() {
ENFORCE_UID(AID_SYSTEM);
VLOG("StatsService::informAnomalyAlarmFired was called");
int64_t currentTimeSec = getElapsedRealtimeSec();
std::unordered_set<sp<const InternalAlarm>, SpHash<InternalAlarm>> alarmSet =
mAnomalyAlarmMonitor->popSoonerThan(static_cast<uint32_t>(currentTimeSec));
if (alarmSet.size() > 0) {
VLOG("Found an anomaly alarm that fired.");
mProcessor->onAnomalyAlarmFired(currentTimeSec * NS_PER_SEC, alarmSet);
} else {
VLOG("Cannot find an anomaly alarm that fired. Perhaps it was recently cancelled.");
}
return Status::ok();
}
Status StatsService::informAlarmForSubscriberTriggeringFired() {
ENFORCE_UID(AID_SYSTEM);
VLOG("StatsService::informAlarmForSubscriberTriggeringFired was called");
int64_t currentTimeSec = getElapsedRealtimeSec();
std::unordered_set<sp<const InternalAlarm>, SpHash<InternalAlarm>> alarmSet =
mPeriodicAlarmMonitor->popSoonerThan(static_cast<uint32_t>(currentTimeSec));
if (alarmSet.size() > 0) {
VLOG("Found periodic alarm fired.");
mProcessor->onPeriodicAlarmFired(currentTimeSec * NS_PER_SEC, alarmSet);
} else {
ALOGW("Cannot find an periodic alarm that fired. Perhaps it was recently cancelled.");
}
return Status::ok();
}
Status StatsService::informPollAlarmFired() {
ENFORCE_UID(AID_SYSTEM);
VLOG("StatsService::informPollAlarmFired was called");
mProcessor->informPullAlarmFired(getElapsedRealtimeNs());
VLOG("StatsService::informPollAlarmFired succeeded");
return Status::ok();
}
Status StatsService::systemRunning() {
ENFORCE_UID(AID_SYSTEM);
// When system_server is up and running, schedule the dropbox task to run.
VLOG("StatsService::systemRunning");
sayHiToStatsCompanion();
return Status::ok();
}
Status StatsService::writeDataToDisk() {
ENFORCE_UID(AID_SYSTEM);
VLOG("StatsService::writeDataToDisk");
mProcessor->WriteDataToDisk();
return Status::ok();
}
void StatsService::sayHiToStatsCompanion() {
sp<IStatsCompanionService> statsCompanion = getStatsCompanionService();
if (statsCompanion != nullptr) {
VLOG("Telling statsCompanion that statsd is ready");
statsCompanion->statsdReady();
} else {
VLOG("Could not access statsCompanion");
}
}
Status StatsService::statsCompanionReady() {
ENFORCE_UID(AID_SYSTEM);
VLOG("StatsService::statsCompanionReady was called");
sp<IStatsCompanionService> statsCompanion = getStatsCompanionService();
if (statsCompanion == nullptr) {
return Status::fromExceptionCode(
Status::EX_NULL_POINTER,
"statscompanion unavailable despite it contacting statsd!");
}
VLOG("StatsService::statsCompanionReady linking to statsCompanion.");
IInterface::asBinder(statsCompanion)->linkToDeath(this);
mStatsPullerManager.SetStatsCompanionService(statsCompanion);
mAnomalyAlarmMonitor->setStatsCompanionService(statsCompanion);
mPeriodicAlarmMonitor->setStatsCompanionService(statsCompanion);
SubscriberReporter::getInstance().setStatsCompanionService(statsCompanion);
return Status::ok();
}
void StatsService::Startup() {
mConfigManager->Startup();
}
void StatsService::OnLogEvent(LogEvent* event, bool reconnectionStarts) {
mProcessor->OnLogEvent(event, reconnectionStarts);
}
Status StatsService::getData(int64_t key, const String16& packageName, vector<uint8_t>* output) {
ENFORCE_DUMP_AND_USAGE_STATS(packageName);
IPCThreadState* ipc = IPCThreadState::self();
VLOG("StatsService::getData with Pid %i, Uid %i", ipc->getCallingPid(), ipc->getCallingUid());
ConfigKey configKey(ipc->getCallingUid(), key);
mProcessor->onDumpReport(configKey, getElapsedRealtimeNs(),
false /* include_current_bucket*/, output);
return Status::ok();
}
Status StatsService::getMetadata(const String16& packageName, vector<uint8_t>* output) {
ENFORCE_DUMP_AND_USAGE_STATS(packageName);
IPCThreadState* ipc = IPCThreadState::self();
VLOG("StatsService::getMetadata with Pid %i, Uid %i", ipc->getCallingPid(),
ipc->getCallingUid());
StatsdStats::getInstance().dumpStats(output, false); // Don't reset the counters.
return Status::ok();
}
Status StatsService::addConfiguration(int64_t key, const vector <uint8_t>& config,
const String16& packageName) {
ENFORCE_DUMP_AND_USAGE_STATS(packageName);
IPCThreadState* ipc = IPCThreadState::self();
if (addConfigurationChecked(ipc->getCallingUid(), key, config)) {
return Status::ok();
} else {
ALOGE("Could not parse malformatted StatsdConfig");
return Status::fromExceptionCode(binder::Status::EX_ILLEGAL_ARGUMENT,
"config does not correspond to a StatsdConfig proto");
}
}
bool StatsService::addConfigurationChecked(int uid, int64_t key, const vector<uint8_t>& config) {
ConfigKey configKey(uid, key);
StatsdConfig cfg;
if (config.size() > 0) { // If the config is empty, skip parsing.
if (!cfg.ParseFromArray(&config[0], config.size())) {
return false;
}
}
mConfigManager->UpdateConfig(configKey, cfg);
return true;
}
Status StatsService::removeDataFetchOperation(int64_t key, const String16& packageName) {
ENFORCE_DUMP_AND_USAGE_STATS(packageName);
IPCThreadState* ipc = IPCThreadState::self();
ConfigKey configKey(ipc->getCallingUid(), key);
mConfigManager->RemoveConfigReceiver(configKey);
return Status::ok();
}
Status StatsService::setDataFetchOperation(int64_t key,
const sp<android::IBinder>& intentSender,
const String16& packageName) {
ENFORCE_DUMP_AND_USAGE_STATS(packageName);
IPCThreadState* ipc = IPCThreadState::self();
ConfigKey configKey(ipc->getCallingUid(), key);
mConfigManager->SetConfigReceiver(configKey, intentSender);
return Status::ok();
}
Status StatsService::removeConfiguration(int64_t key, const String16& packageName) {
ENFORCE_DUMP_AND_USAGE_STATS(packageName);
IPCThreadState* ipc = IPCThreadState::self();
ConfigKey configKey(ipc->getCallingUid(), key);
mConfigManager->RemoveConfig(configKey);
SubscriberReporter::getInstance().removeConfig(configKey);
return Status::ok();
}
Status StatsService::setBroadcastSubscriber(int64_t configId,
int64_t subscriberId,
const sp<android::IBinder>& intentSender,
const String16& packageName) {
ENFORCE_DUMP_AND_USAGE_STATS(packageName);
VLOG("StatsService::setBroadcastSubscriber called.");
IPCThreadState* ipc = IPCThreadState::self();
ConfigKey configKey(ipc->getCallingUid(), configId);
SubscriberReporter::getInstance()
.setBroadcastSubscriber(configKey, subscriberId, intentSender);
return Status::ok();
}
Status StatsService::unsetBroadcastSubscriber(int64_t configId,
int64_t subscriberId,
const String16& packageName) {
ENFORCE_DUMP_AND_USAGE_STATS(packageName);
VLOG("StatsService::unsetBroadcastSubscriber called.");
IPCThreadState* ipc = IPCThreadState::self();
ConfigKey configKey(ipc->getCallingUid(), configId);
SubscriberReporter::getInstance()
.unsetBroadcastSubscriber(configKey, subscriberId);
return Status::ok();
}
void StatsService::binderDied(const wp <IBinder>& who) {
ALOGW("statscompanion service died");
mProcessor->WriteDataToDisk();
mAnomalyAlarmMonitor->setStatsCompanionService(nullptr);
mPeriodicAlarmMonitor->setStatsCompanionService(nullptr);
SubscriberReporter::getInstance().setStatsCompanionService(nullptr);
mStatsPullerManager.SetStatsCompanionService(nullptr);
}
} // namespace statsd
} // namespace os
} // namespace android
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