| /* |
| * 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*/, ADB_DUMP, &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(false); |
| 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::informDeviceShutdown(bool isShutdown) { |
| ENFORCE_UID(AID_SYSTEM); |
| VLOG("StatsService::informDeviceShutdown"); |
| mProcessor->WriteDataToDisk(isShutdown); |
| 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*/, |
| GET_DATA_CALLED, 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(STATSCOMPANION_DIED); |
| mAnomalyAlarmMonitor->setStatsCompanionService(nullptr); |
| mPeriodicAlarmMonitor->setStatsCompanionService(nullptr); |
| SubscriberReporter::getInstance().setStatsCompanionService(nullptr); |
| mStatsPullerManager.SetStatsCompanionService(nullptr); |
| } |
| |
| } // namespace statsd |
| } // namespace os |
| } // namespace android |