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-rw-r--r--cmds/statsd/src/packages/UidMap.cpp563
1 files changed, 0 insertions, 563 deletions
diff --git a/cmds/statsd/src/packages/UidMap.cpp b/cmds/statsd/src/packages/UidMap.cpp
deleted file mode 100644
index acf40c88a00d..000000000000
--- a/cmds/statsd/src/packages/UidMap.cpp
+++ /dev/null
@@ -1,563 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, versionCode 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 "hash.h"
-#include "stats_log_util.h"
-#include "guardrail/StatsdStats.h"
-#include "packages/UidMap.h"
-
-#include <inttypes.h>
-
-using namespace android;
-
-using android::base::StringPrintf;
-using android::util::FIELD_COUNT_REPEATED;
-using android::util::FIELD_TYPE_BOOL;
-using android::util::FIELD_TYPE_FLOAT;
-using android::util::FIELD_TYPE_INT32;
-using android::util::FIELD_TYPE_INT64;
-using android::util::FIELD_TYPE_UINT64;
-using android::util::FIELD_TYPE_MESSAGE;
-using android::util::FIELD_TYPE_STRING;
-using android::util::ProtoOutputStream;
-
-namespace android {
-namespace os {
-namespace statsd {
-
-const int FIELD_ID_SNAPSHOT_PACKAGE_NAME = 1;
-const int FIELD_ID_SNAPSHOT_PACKAGE_VERSION = 2;
-const int FIELD_ID_SNAPSHOT_PACKAGE_UID = 3;
-const int FIELD_ID_SNAPSHOT_PACKAGE_DELETED = 4;
-const int FIELD_ID_SNAPSHOT_PACKAGE_NAME_HASH = 5;
-const int FIELD_ID_SNAPSHOT_PACKAGE_VERSION_STRING = 6;
-const int FIELD_ID_SNAPSHOT_PACKAGE_VERSION_STRING_HASH = 7;
-const int FIELD_ID_SNAPSHOT_PACKAGE_INSTALLER = 8;
-const int FIELD_ID_SNAPSHOT_PACKAGE_INSTALLER_HASH = 9;
-const int FIELD_ID_SNAPSHOT_TIMESTAMP = 1;
-const int FIELD_ID_SNAPSHOT_PACKAGE_INFO = 2;
-const int FIELD_ID_SNAPSHOTS = 1;
-const int FIELD_ID_CHANGES = 2;
-const int FIELD_ID_CHANGE_DELETION = 1;
-const int FIELD_ID_CHANGE_TIMESTAMP = 2;
-const int FIELD_ID_CHANGE_PACKAGE = 3;
-const int FIELD_ID_CHANGE_UID = 4;
-const int FIELD_ID_CHANGE_NEW_VERSION = 5;
-const int FIELD_ID_CHANGE_PREV_VERSION = 6;
-const int FIELD_ID_CHANGE_PACKAGE_HASH = 7;
-const int FIELD_ID_CHANGE_NEW_VERSION_STRING = 8;
-const int FIELD_ID_CHANGE_PREV_VERSION_STRING = 9;
-const int FIELD_ID_CHANGE_NEW_VERSION_STRING_HASH = 10;
-const int FIELD_ID_CHANGE_PREV_VERSION_STRING_HASH = 11;
-
-UidMap::UidMap() : mBytesUsed(0) {}
-
-UidMap::~UidMap() {}
-
-sp<UidMap> UidMap::getInstance() {
- static sp<UidMap> sInstance = new UidMap();
- return sInstance;
-}
-
-bool UidMap::hasApp(int uid, const string& packageName) const {
- lock_guard<mutex> lock(mMutex);
-
- auto it = mMap.find(std::make_pair(uid, packageName));
- return it != mMap.end() && !it->second.deleted;
-}
-
-string UidMap::normalizeAppName(const string& appName) const {
- string normalizedName = appName;
- std::transform(normalizedName.begin(), normalizedName.end(), normalizedName.begin(), ::tolower);
- return normalizedName;
-}
-
-std::set<string> UidMap::getAppNamesFromUid(const int32_t& uid, bool returnNormalized) const {
- lock_guard<mutex> lock(mMutex);
- return getAppNamesFromUidLocked(uid,returnNormalized);
-}
-
-std::set<string> UidMap::getAppNamesFromUidLocked(const int32_t& uid, bool returnNormalized) const {
- std::set<string> names;
- for (const auto& kv : mMap) {
- if (kv.first.first == uid && !kv.second.deleted) {
- names.insert(returnNormalized ? normalizeAppName(kv.first.second) : kv.first.second);
- }
- }
- return names;
-}
-
-int64_t UidMap::getAppVersion(int uid, const string& packageName) const {
- lock_guard<mutex> lock(mMutex);
-
- auto it = mMap.find(std::make_pair(uid, packageName));
- if (it == mMap.end() || it->second.deleted) {
- return 0;
- }
- return it->second.versionCode;
-}
-
-void UidMap::updateMap(const int64_t& timestamp, const vector<int32_t>& uid,
- const vector<int64_t>& versionCode, const vector<String16>& versionString,
- const vector<String16>& packageName, const vector<String16>& installer) {
- wp<PackageInfoListener> broadcast = NULL;
- {
- lock_guard<mutex> lock(mMutex); // Exclusively lock for updates.
-
- std::unordered_map<std::pair<int, string>, AppData, PairHash> deletedApps;
-
- // Copy all the deleted apps.
- for (const auto& kv : mMap) {
- if (kv.second.deleted) {
- deletedApps[kv.first] = kv.second;
- }
- }
-
- mMap.clear();
- for (size_t j = 0; j < uid.size(); j++) {
- string package = string(String8(packageName[j]).string());
- mMap[std::make_pair(uid[j], package)] =
- AppData(versionCode[j], string(String8(versionString[j]).string()),
- string(String8(installer[j]).string()));
- }
-
- for (const auto& kv : deletedApps) {
- auto mMapIt = mMap.find(kv.first);
- if (mMapIt != mMap.end()) {
- // Insert this deleted app back into the current map.
- mMap[kv.first] = kv.second;
- }
- }
-
- ensureBytesUsedBelowLimit();
- StatsdStats::getInstance().setCurrentUidMapMemory(mBytesUsed);
- broadcast = mSubscriber;
- }
- // To avoid invoking callback while holding the internal lock. we get a copy of the listener
- // and invoke the callback. It's still possible that after we copy the listener, it removes
- // itself before we call it. It's then the listener's job to handle it (expect the callback to
- // be called after listener is removed, and the listener should properly ignore it).
- auto strongPtr = broadcast.promote();
- if (strongPtr != NULL) {
- strongPtr->onUidMapReceived(timestamp);
- }
-}
-
-void UidMap::updateApp(const int64_t& timestamp, const String16& app_16, const int32_t& uid,
- const int64_t& versionCode, const String16& versionString,
- const String16& installer) {
- wp<PackageInfoListener> broadcast = NULL;
- string appName = string(String8(app_16).string());
- {
- lock_guard<mutex> lock(mMutex);
- int32_t prevVersion = 0;
- string prevVersionString = "";
- string newVersionString = string(String8(versionString).string());
- bool found = false;
- auto it = mMap.find(std::make_pair(uid, appName));
- if (it != mMap.end()) {
- found = true;
- prevVersion = it->second.versionCode;
- prevVersionString = it->second.versionString;
- it->second.versionCode = versionCode;
- it->second.versionString = newVersionString;
- it->second.installer = string(String8(installer).string());
- it->second.deleted = false;
- }
- if (!found) {
- // Otherwise, we need to add an app at this uid.
- mMap[std::make_pair(uid, appName)] =
- AppData(versionCode, newVersionString, string(String8(installer).string()));
- } else {
- // Only notify the listeners if this is an app upgrade. If this app is being installed
- // for the first time, then we don't notify the listeners.
- // It's also OK to split again if we're forming a partial bucket after re-installing an
- // app after deletion.
- broadcast = mSubscriber;
- }
- mChanges.emplace_back(false, timestamp, appName, uid, versionCode, newVersionString,
- prevVersion, prevVersionString);
- mBytesUsed += kBytesChangeRecord;
- ensureBytesUsedBelowLimit();
- StatsdStats::getInstance().setCurrentUidMapMemory(mBytesUsed);
- StatsdStats::getInstance().setUidMapChanges(mChanges.size());
- }
-
- auto strongPtr = broadcast.promote();
- if (strongPtr != NULL) {
- strongPtr->notifyAppUpgrade(timestamp, appName, uid, versionCode);
- }
-}
-
-void UidMap::ensureBytesUsedBelowLimit() {
- size_t limit;
- if (maxBytesOverride <= 0) {
- limit = StatsdStats::kMaxBytesUsedUidMap;
- } else {
- limit = maxBytesOverride;
- }
- while (mBytesUsed > limit) {
- ALOGI("Bytes used %zu is above limit %zu, need to delete something", mBytesUsed, limit);
- if (mChanges.size() > 0) {
- mBytesUsed -= kBytesChangeRecord;
- mChanges.pop_front();
- StatsdStats::getInstance().noteUidMapDropped(1);
- }
- }
-}
-
-void UidMap::removeApp(const int64_t& timestamp, const String16& app_16, const int32_t& uid) {
- wp<PackageInfoListener> broadcast = NULL;
- string app = string(String8(app_16).string());
- {
- lock_guard<mutex> lock(mMutex);
-
- int64_t prevVersion = 0;
- string prevVersionString = "";
- auto key = std::make_pair(uid, app);
- auto it = mMap.find(key);
- if (it != mMap.end() && !it->second.deleted) {
- prevVersion = it->second.versionCode;
- prevVersionString = it->second.versionString;
- it->second.deleted = true;
- mDeletedApps.push_back(key);
- }
- if (mDeletedApps.size() > StatsdStats::kMaxDeletedAppsInUidMap) {
- // Delete the oldest one.
- auto oldest = mDeletedApps.front();
- mDeletedApps.pop_front();
- mMap.erase(oldest);
- StatsdStats::getInstance().noteUidMapAppDeletionDropped();
- }
- mChanges.emplace_back(true, timestamp, app, uid, 0, "", prevVersion, prevVersionString);
- mBytesUsed += kBytesChangeRecord;
- ensureBytesUsedBelowLimit();
- StatsdStats::getInstance().setCurrentUidMapMemory(mBytesUsed);
- StatsdStats::getInstance().setUidMapChanges(mChanges.size());
- broadcast = mSubscriber;
- }
-
- auto strongPtr = broadcast.promote();
- if (strongPtr != NULL) {
- strongPtr->notifyAppRemoved(timestamp, app, uid);
- }
-}
-
-void UidMap::setListener(wp<PackageInfoListener> listener) {
- lock_guard<mutex> lock(mMutex); // Lock for updates
- mSubscriber = listener;
-}
-
-void UidMap::assignIsolatedUid(int isolatedUid, int parentUid) {
- lock_guard<mutex> lock(mIsolatedMutex);
-
- mIsolatedUidMap[isolatedUid] = parentUid;
-}
-
-void UidMap::removeIsolatedUid(int isolatedUid) {
- lock_guard<mutex> lock(mIsolatedMutex);
-
- auto it = mIsolatedUidMap.find(isolatedUid);
- if (it != mIsolatedUidMap.end()) {
- mIsolatedUidMap.erase(it);
- }
-}
-
-int UidMap::getHostUidOrSelf(int uid) const {
- lock_guard<mutex> lock(mIsolatedMutex);
-
- auto it = mIsolatedUidMap.find(uid);
- if (it != mIsolatedUidMap.end()) {
- return it->second;
- }
- return uid;
-}
-
-void UidMap::clearOutput() {
- mChanges.clear();
- // Also update the guardrail trackers.
- StatsdStats::getInstance().setUidMapChanges(0);
- mBytesUsed = 0;
- StatsdStats::getInstance().setCurrentUidMapMemory(mBytesUsed);
-}
-
-int64_t UidMap::getMinimumTimestampNs() {
- int64_t m = 0;
- for (const auto& kv : mLastUpdatePerConfigKey) {
- if (m == 0) {
- m = kv.second;
- } else if (kv.second < m) {
- m = kv.second;
- }
- }
- return m;
-}
-
-size_t UidMap::getBytesUsed() const {
- return mBytesUsed;
-}
-
-void UidMap::writeUidMapSnapshot(int64_t timestamp, bool includeVersionStrings,
- bool includeInstaller, const std::set<int32_t>& interestingUids,
- std::set<string>* str_set, ProtoOutputStream* proto) {
- lock_guard<mutex> lock(mMutex);
-
- writeUidMapSnapshotLocked(timestamp, includeVersionStrings, includeInstaller, interestingUids,
- str_set, proto);
-}
-
-void UidMap::writeUidMapSnapshotLocked(int64_t timestamp, bool includeVersionStrings,
- bool includeInstaller,
- const std::set<int32_t>& interestingUids,
- std::set<string>* str_set, ProtoOutputStream* proto) {
- proto->write(FIELD_TYPE_INT64 | FIELD_ID_SNAPSHOT_TIMESTAMP, (long long)timestamp);
- for (const auto& kv : mMap) {
- if (!interestingUids.empty() &&
- interestingUids.find(kv.first.first) == interestingUids.end()) {
- continue;
- }
- uint64_t token = proto->start(FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED |
- FIELD_ID_SNAPSHOT_PACKAGE_INFO);
- if (str_set != nullptr) {
- str_set->insert(kv.first.second);
- proto->write(FIELD_TYPE_UINT64 | FIELD_ID_SNAPSHOT_PACKAGE_NAME_HASH,
- (long long)Hash64(kv.first.second));
- if (includeVersionStrings) {
- str_set->insert(kv.second.versionString);
- proto->write(FIELD_TYPE_UINT64 | FIELD_ID_SNAPSHOT_PACKAGE_VERSION_STRING_HASH,
- (long long)Hash64(kv.second.versionString));
- }
- if (includeInstaller) {
- str_set->insert(kv.second.installer);
- proto->write(FIELD_TYPE_UINT64 | FIELD_ID_SNAPSHOT_PACKAGE_INSTALLER_HASH,
- (long long)Hash64(kv.second.installer));
- }
- } else {
- proto->write(FIELD_TYPE_STRING | FIELD_ID_SNAPSHOT_PACKAGE_NAME, kv.first.second);
- if (includeVersionStrings) {
- proto->write(FIELD_TYPE_STRING | FIELD_ID_SNAPSHOT_PACKAGE_VERSION_STRING,
- kv.second.versionString);
- }
- if (includeInstaller) {
- proto->write(FIELD_TYPE_STRING | FIELD_ID_SNAPSHOT_PACKAGE_INSTALLER,
- kv.second.installer);
- }
- }
-
- proto->write(FIELD_TYPE_INT64 | FIELD_ID_SNAPSHOT_PACKAGE_VERSION,
- (long long)kv.second.versionCode);
- proto->write(FIELD_TYPE_INT32 | FIELD_ID_SNAPSHOT_PACKAGE_UID, kv.first.first);
- proto->write(FIELD_TYPE_BOOL | FIELD_ID_SNAPSHOT_PACKAGE_DELETED, kv.second.deleted);
- proto->end(token);
- }
-}
-
-void UidMap::appendUidMap(const int64_t& timestamp, const ConfigKey& key, std::set<string>* str_set,
- bool includeVersionStrings, bool includeInstaller,
- ProtoOutputStream* proto) {
- lock_guard<mutex> lock(mMutex); // Lock for updates
-
- for (const ChangeRecord& record : mChanges) {
- if (record.timestampNs > mLastUpdatePerConfigKey[key]) {
- uint64_t changesToken =
- proto->start(FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED | FIELD_ID_CHANGES);
- proto->write(FIELD_TYPE_BOOL | FIELD_ID_CHANGE_DELETION, (bool)record.deletion);
- proto->write(FIELD_TYPE_INT64 | FIELD_ID_CHANGE_TIMESTAMP,
- (long long)record.timestampNs);
- if (str_set != nullptr) {
- str_set->insert(record.package);
- proto->write(FIELD_TYPE_UINT64 | FIELD_ID_CHANGE_PACKAGE_HASH,
- (long long)Hash64(record.package));
- if (includeVersionStrings) {
- str_set->insert(record.versionString);
- proto->write(FIELD_TYPE_UINT64 | FIELD_ID_CHANGE_NEW_VERSION_STRING_HASH,
- (long long)Hash64(record.versionString));
- str_set->insert(record.prevVersionString);
- proto->write(FIELD_TYPE_UINT64 | FIELD_ID_CHANGE_PREV_VERSION_STRING_HASH,
- (long long)Hash64(record.prevVersionString));
- }
- } else {
- proto->write(FIELD_TYPE_STRING | FIELD_ID_CHANGE_PACKAGE, record.package);
- if (includeVersionStrings) {
- proto->write(FIELD_TYPE_STRING | FIELD_ID_CHANGE_NEW_VERSION_STRING,
- record.versionString);
- proto->write(FIELD_TYPE_STRING | FIELD_ID_CHANGE_PREV_VERSION_STRING,
- record.prevVersionString);
- }
- }
-
- proto->write(FIELD_TYPE_INT32 | FIELD_ID_CHANGE_UID, (int)record.uid);
- proto->write(FIELD_TYPE_INT64 | FIELD_ID_CHANGE_NEW_VERSION, (long long)record.version);
- proto->write(FIELD_TYPE_INT64 | FIELD_ID_CHANGE_PREV_VERSION,
- (long long)record.prevVersion);
- proto->end(changesToken);
- }
- }
-
- // Write snapshot from current uid map state.
- uint64_t snapshotsToken =
- proto->start(FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED | FIELD_ID_SNAPSHOTS);
- writeUidMapSnapshotLocked(timestamp, includeVersionStrings, includeInstaller,
- std::set<int32_t>() /*empty uid set means including every uid*/,
- str_set, proto);
- proto->end(snapshotsToken);
-
- int64_t prevMin = getMinimumTimestampNs();
- mLastUpdatePerConfigKey[key] = timestamp;
- int64_t newMin = getMinimumTimestampNs();
-
- if (newMin > prevMin) { // Delete anything possible now that the minimum has
- // moved forward.
- int64_t cutoff_nanos = newMin;
- for (auto it_changes = mChanges.begin(); it_changes != mChanges.end();) {
- if (it_changes->timestampNs < cutoff_nanos) {
- mBytesUsed -= kBytesChangeRecord;
- it_changes = mChanges.erase(it_changes);
- } else {
- ++it_changes;
- }
- }
- }
- StatsdStats::getInstance().setCurrentUidMapMemory(mBytesUsed);
- StatsdStats::getInstance().setUidMapChanges(mChanges.size());
-}
-
-void UidMap::printUidMap(int out) const {
- lock_guard<mutex> lock(mMutex);
-
- for (const auto& kv : mMap) {
- if (!kv.second.deleted) {
- dprintf(out, "%s, v%" PRId64 ", %s, %s (%i)\n", kv.first.second.c_str(),
- kv.second.versionCode, kv.second.versionString.c_str(),
- kv.second.installer.c_str(), kv.first.first);
- }
- }
-}
-
-void UidMap::OnConfigUpdated(const ConfigKey& key) {
- mLastUpdatePerConfigKey[key] = -1;
-}
-
-void UidMap::OnConfigRemoved(const ConfigKey& key) {
- mLastUpdatePerConfigKey.erase(key);
-}
-
-set<int32_t> UidMap::getAppUid(const string& package) const {
- lock_guard<mutex> lock(mMutex);
-
- set<int32_t> results;
- for (const auto& kv : mMap) {
- if (kv.first.second == package && !kv.second.deleted) {
- results.insert(kv.first.first);
- }
- }
- return results;
-}
-
-// Note not all the following AIDs are used as uids. Some are used only for gids.
-// It's ok to leave them in the map, but we won't ever see them in the log's uid field.
-// App's uid starts from 10000, and will not overlap with the following AIDs.
-const std::map<string, uint32_t> UidMap::sAidToUidMapping = {{"AID_ROOT", 0},
- {"AID_SYSTEM", 1000},
- {"AID_RADIO", 1001},
- {"AID_BLUETOOTH", 1002},
- {"AID_GRAPHICS", 1003},
- {"AID_INPUT", 1004},
- {"AID_AUDIO", 1005},
- {"AID_CAMERA", 1006},
- {"AID_LOG", 1007},
- {"AID_COMPASS", 1008},
- {"AID_MOUNT", 1009},
- {"AID_WIFI", 1010},
- {"AID_ADB", 1011},
- {"AID_INSTALL", 1012},
- {"AID_MEDIA", 1013},
- {"AID_DHCP", 1014},
- {"AID_SDCARD_RW", 1015},
- {"AID_VPN", 1016},
- {"AID_KEYSTORE", 1017},
- {"AID_USB", 1018},
- {"AID_DRM", 1019},
- {"AID_MDNSR", 1020},
- {"AID_GPS", 1021},
- // {"AID_UNUSED1", 1022},
- {"AID_MEDIA_RW", 1023},
- {"AID_MTP", 1024},
- // {"AID_UNUSED2", 1025},
- {"AID_DRMRPC", 1026},
- {"AID_NFC", 1027},
- {"AID_SDCARD_R", 1028},
- {"AID_CLAT", 1029},
- {"AID_LOOP_RADIO", 1030},
- {"AID_MEDIA_DRM", 1031},
- {"AID_PACKAGE_INFO", 1032},
- {"AID_SDCARD_PICS", 1033},
- {"AID_SDCARD_AV", 1034},
- {"AID_SDCARD_ALL", 1035},
- {"AID_LOGD", 1036},
- {"AID_SHARED_RELRO", 1037},
- {"AID_DBUS", 1038},
- {"AID_TLSDATE", 1039},
- {"AID_MEDIA_EX", 1040},
- {"AID_AUDIOSERVER", 1041},
- {"AID_METRICS_COLL", 1042},
- {"AID_METRICSD", 1043},
- {"AID_WEBSERV", 1044},
- {"AID_DEBUGGERD", 1045},
- {"AID_MEDIA_CODEC", 1046},
- {"AID_CAMERASERVER", 1047},
- {"AID_FIREWALL", 1048},
- {"AID_TRUNKS", 1049},
- {"AID_NVRAM", 1050},
- {"AID_DNS", 1051},
- {"AID_DNS_TETHER", 1052},
- {"AID_WEBVIEW_ZYGOTE", 1053},
- {"AID_VEHICLE_NETWORK", 1054},
- {"AID_MEDIA_AUDIO", 1055},
- {"AID_MEDIA_VIDEO", 1056},
- {"AID_MEDIA_IMAGE", 1057},
- {"AID_TOMBSTONED", 1058},
- {"AID_MEDIA_OBB", 1059},
- {"AID_ESE", 1060},
- {"AID_OTA_UPDATE", 1061},
- {"AID_AUTOMOTIVE_EVS", 1062},
- {"AID_LOWPAN", 1063},
- {"AID_HSM", 1064},
- {"AID_RESERVED_DISK", 1065},
- {"AID_STATSD", 1066},
- {"AID_INCIDENTD", 1067},
- {"AID_SECURE_ELEMENT", 1068},
- {"AID_LMKD", 1069},
- {"AID_LLKD", 1070},
- {"AID_IORAPD", 1071},
- {"AID_GPU_SERVICE", 1072},
- {"AID_NETWORK_STACK", 1073},
- {"AID_GSID", 1074},
- {"AID_FSVERITY_CERT", 1075},
- {"AID_CREDSTORE", 1076},
- {"AID_EXTERNAL_STORAGE", 1077},
- {"AID_EXT_DATA_RW", 1078},
- {"AID_EXT_OBB_RW", 1079},
- {"AID_CONTEXT_HUB", 1080},
- {"AID_SHELL", 2000},
- {"AID_CACHE", 2001},
- {"AID_DIAG", 2002}};
-
-} // namespace statsd
-} // namespace os
-} // namespace android
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