| /* |
| * Copyright (C) 2019 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 LOG_NDEBUG 0 |
| #define LOG_TAG "statsd_drm" |
| #include <utils/Log.h> |
| #include <media/stagefright/foundation/base64.h> |
| #include <binder/IPCThreadState.h> |
| |
| #include <cstdint> |
| #include <inttypes.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <sys/time.h> |
| #include <dirent.h> |
| #include <pthread.h> |
| #include <unistd.h> |
| |
| #include <string.h> |
| #include <pwd.h> |
| |
| #include "MediaMetricsService.h" |
| #include "MediaDrmStatsdHelper.h" |
| #include "StringUtils.h" |
| #include "iface_statsd.h" |
| |
| #include <stats_media_metrics.h> |
| |
| #include <array> |
| #include <string> |
| #include <vector> |
| |
| namespace android { |
| |
| // mediadrm |
| bool statsd_mediadrm(const std::shared_ptr<const mediametrics::Item>& item, |
| const std::shared_ptr<mediametrics::StatsdLog>& statsdLog) |
| { |
| if (item == nullptr) return false; |
| |
| const nsecs_t timestamp_nanos = MediaMetricsService::roundTime(item->getTimestamp()); |
| const std::string package_name = item->getPkgName(); |
| const int64_t package_version_code = item->getPkgVersionCode(); |
| const int64_t media_apex_version = 0; |
| |
| std::string vendor; |
| (void) item->getString("vendor", &vendor); |
| std::string description; |
| (void) item->getString("description", &description); |
| |
| std::string serialized_metrics; |
| (void) item->getString("serialized_metrics", &serialized_metrics); |
| if (serialized_metrics.empty()) { |
| ALOGD("statsd_mediadrm skipping empty entry"); |
| return false; |
| } |
| |
| // This field is left here for backward compatibility. |
| // This field is not used anymore. |
| const std::string kUnusedField(""); |
| const stats::media_metrics::BytesField bf_serialized(kUnusedField.c_str(), kUnusedField.size()); |
| const int result = stats::media_metrics::stats_write( |
| stats::media_metrics::MEDIAMETRICS_MEDIADRM_REPORTED, |
| timestamp_nanos, package_name.c_str(), package_version_code, |
| media_apex_version, |
| vendor.c_str(), |
| description.c_str(), |
| bf_serialized); |
| |
| std::stringstream log; |
| log << "result:" << result << " {" |
| << " mediametrics_mediadrm_reported:" |
| << stats::media_metrics::MEDIAMETRICS_MEDIADRM_REPORTED |
| << " timestamp_nanos:" << timestamp_nanos |
| << " package_name:" << package_name |
| << " package_version_code:" << package_version_code |
| << " media_apex_version:" << media_apex_version |
| |
| << " vendor:" << vendor |
| << " description:" << description |
| // omitting serialized |
| << " }"; |
| statsdLog->log(stats::media_metrics::MEDIAMETRICS_MEDIADRM_REPORTED, log.str()); |
| return true; |
| } |
| |
| // drmmanager |
| bool statsd_drmmanager(const std::shared_ptr<const mediametrics::Item>& item, |
| const std::shared_ptr<mediametrics::StatsdLog>& statsdLog) |
| { |
| using namespace std::string_literals; |
| if (item == nullptr) return false; |
| |
| const nsecs_t timestamp_nanos = MediaMetricsService::roundTime(item->getTimestamp()); |
| const std::string package_name = item->getPkgName(); |
| const int64_t package_version_code = item->getPkgVersionCode(); |
| const int64_t media_apex_version = 0; |
| |
| std::string plugin_id; |
| (void) item->getString("plugin_id", &plugin_id); |
| std::string description; |
| (void) item->getString("description", &description); |
| int32_t method_id = -1; |
| (void) item->getInt32("method_id", &method_id); |
| std::string mime_types; |
| (void) item->getString("mime_types", &mime_types); |
| |
| // Corresponds to the 13 APIs tracked in the MediametricsDrmManagerReported statsd proto |
| // Please see also DrmManager::kMethodIdMap |
| std::array<int64_t, 13> methodCounts{}; |
| for (size_t i = 0; i < methodCounts.size() ; i++) { |
| item->getInt64(("method"s + std::to_string(i)).c_str(), &methodCounts[i]); |
| } |
| |
| const int result = stats::media_metrics::stats_write( |
| stats::media_metrics::MEDIAMETRICS_DRMMANAGER_REPORTED, |
| timestamp_nanos, package_name.c_str(), package_version_code, |
| media_apex_version, |
| plugin_id.c_str(), description.c_str(), |
| method_id, mime_types.c_str(), |
| methodCounts[0], methodCounts[1], methodCounts[2], |
| methodCounts[3], methodCounts[4], methodCounts[5], |
| methodCounts[6], methodCounts[7], methodCounts[8], |
| methodCounts[9], methodCounts[10], methodCounts[11], |
| methodCounts[12]); |
| |
| std::stringstream log; |
| log << "result:" << result << " {" |
| << " mediametrics_drmmanager_reported:" |
| << stats::media_metrics::MEDIAMETRICS_DRMMANAGER_REPORTED |
| << " timestamp_nanos:" << timestamp_nanos |
| << " package_name:" << package_name |
| << " package_version_code:" << package_version_code |
| << " media_apex_version:" << media_apex_version |
| |
| << " plugin_id:" << plugin_id |
| << " description:" << description |
| << " method_id:" << method_id |
| << " mime_types:" << mime_types; |
| |
| for (size_t i = 0; i < methodCounts.size(); ++i) { |
| log << " method_" << i << ":" << methodCounts[i]; |
| } |
| log << " }"; |
| statsdLog->log(stats::media_metrics::MEDIAMETRICS_DRMMANAGER_REPORTED, log.str()); |
| return true; |
| } |
| |
| namespace { |
| std::vector<uint8_t> base64DecodeNoPad(std::string& str) { |
| if (str.empty()) { |
| return {}; |
| } |
| |
| switch (str.length() % 4) { |
| case 3: str += "="; break; |
| case 2: str += "=="; break; |
| case 1: str += "==="; break; |
| case 0: /* unchanged */ break; |
| } |
| |
| std::vector<uint8_t> buf(str.length() / 4 * 3, 0); |
| size_t size = buf.size(); |
| if (decodeBase64(buf.data(), &size, str.c_str()) && size <= buf.size()) { |
| buf.erase(buf.begin() + (ptrdiff_t)size, buf.end()); |
| return buf; |
| } |
| return {}; |
| } |
| } // namespace |
| |
| // |out| and its contents are memory-managed by statsd. |
| bool statsd_mediadrm_puller( |
| const std::shared_ptr<const mediametrics::Item>& item, AStatsEventList* out, |
| const std::shared_ptr<mediametrics::StatsdLog>& statsdLog) |
| { |
| if (item == nullptr) { |
| return false; |
| } |
| |
| std::string serialized_metrics; |
| (void) item->getString("serialized_metrics", &serialized_metrics); |
| const auto framework_raw(base64DecodeNoPad(serialized_metrics)); |
| |
| std::string plugin_metrics; |
| (void) item->getString("plugin_metrics", &plugin_metrics); |
| const auto plugin_raw(base64DecodeNoPad(plugin_metrics)); |
| |
| if (serialized_metrics.size() == 0 && plugin_metrics.size() == 0) { |
| ALOGD("statsd_mediadrm_puller skipping empty entry"); |
| return false; |
| } |
| |
| std::string vendor; |
| (void) item->getString("vendor", &vendor); |
| std::string description; |
| (void) item->getString("description", &description); |
| |
| // Memory for |event| is internally managed by statsd. |
| AStatsEvent* event = AStatsEventList_addStatsEvent(out); |
| AStatsEvent_setAtomId(event, stats::media_metrics::MEDIA_DRM_ACTIVITY_INFO); |
| AStatsEvent_writeString(event, item->getPkgName().c_str()); |
| AStatsEvent_writeInt64(event, item->getPkgVersionCode()); |
| AStatsEvent_writeString(event, vendor.c_str()); |
| AStatsEvent_writeString(event, description.c_str()); |
| AStatsEvent_writeByteArray(event, framework_raw.data(), framework_raw.size()); |
| AStatsEvent_writeByteArray(event, plugin_raw.data(), plugin_raw.size()); |
| AStatsEvent_build(event); |
| |
| std::stringstream log; |
| log << "pulled:" << " {" |
| << " media_drm_activity_info:" |
| << stats::media_metrics::MEDIA_DRM_ACTIVITY_INFO |
| << " package_name:" << item->getPkgName() |
| << " package_version_code:" << item->getPkgVersionCode() |
| << " vendor:" << vendor |
| << " description:" << description |
| << " framework_metrics:" << mediametrics::stringutils::bytesToString(framework_raw, 8) |
| << " vendor_metrics:" << mediametrics::stringutils::bytesToString(plugin_raw, 8) |
| << " }"; |
| statsdLog->log(stats::media_metrics::MEDIA_DRM_ACTIVITY_INFO, log.str()); |
| return true; |
| } |
| |
| bool statsd_mediadrm_created(const std::shared_ptr<const mediametrics::Item>& item, |
| const std::shared_ptr<mediametrics::StatsdLog>& statsdLog) |
| { |
| int64_t uuid_lsb = -1; |
| if (!item->getInt64("uuid_lsb", &uuid_lsb)) return false; |
| int64_t uuid_msb = -1; |
| if (!item->getInt64("uuid_msb", &uuid_msb)) return false; |
| const int32_t scheme = MediaDrmStatsdHelper::findDrmScheme(uuid_msb, uuid_lsb); |
| const int32_t uid = IPCThreadState::self()->getCallingUid(); |
| int32_t frontend = 0; |
| if (!item->getInt32("frontend", &frontend)) return false; |
| |
| // Optional to be included |
| std::string version = ""; |
| item->getString("version", &version); |
| const int result = stats_write(stats::media_metrics::MEDIA_DRM_CREATED, |
| scheme, uuid_lsb, uuid_msb, uid, frontend, version.c_str()); |
| |
| std::stringstream log; |
| log << "result:" << result << " {" |
| << " media_drm_created:" |
| << stats::media_metrics::MEDIA_DRM_CREATED |
| << " scheme:" << scheme |
| << " uuid_lsb:" << uuid_lsb |
| << " uuid_msb:" << uuid_msb |
| << " uid:" << uid |
| << " frontend:" << frontend |
| << " version:" << version |
| << " }"; |
| statsdLog->log(stats::media_metrics::MEDIA_DRM_CREATED, log.str()); |
| return true; |
| } |
| |
| bool statsd_mediadrm_session_opened(const std::shared_ptr<const mediametrics::Item>& item, |
| const std::shared_ptr<mediametrics::StatsdLog>& statsdLog) |
| { |
| int64_t uuid_lsb = -1; |
| if (!item->getInt64("uuid_lsb", &uuid_lsb)) return false; |
| int64_t uuid_msb = -1; |
| if (!item->getInt64("uuid_msb", &uuid_msb)) return false; |
| const int32_t scheme = MediaDrmStatsdHelper::findDrmScheme(uuid_msb, uuid_lsb); |
| std::string object_nonce = ""; |
| if (!item->getString("object_nonce", &object_nonce)) return false; |
| const int32_t uid = IPCThreadState::self()->getCallingUid(); |
| int32_t frontend = 0; |
| if (!item->getInt32("frontend", &frontend)) return false; |
| int32_t requested_security_level = 0; |
| if (!item->getInt32("requested_security_level", &requested_security_level)) return false; |
| int32_t opened_security_level = 0; |
| if (!item->getInt32("opened_security_level", &opened_security_level)) return false; |
| |
| // Optional to be included |
| std::string version = ""; |
| item->getString("version", &version); |
| const int result = stats_write(stats::media_metrics::MEDIA_DRM_SESSION_OPENED, |
| scheme, uuid_lsb, uuid_msb, uid, frontend, version.c_str(), |
| object_nonce.c_str(), requested_security_level, |
| opened_security_level); |
| |
| std::stringstream log; |
| log << "result:" << result << " {" |
| << " media_drm_session_opened:" |
| << stats::media_metrics::MEDIA_DRM_SESSION_OPENED |
| << " scheme:" << scheme |
| << " uuid_lsb:" << uuid_lsb |
| << " uuid_msb:" << uuid_msb |
| << " uid:" << uid |
| << " frontend:" << frontend |
| << " version:" << version |
| << " object_nonce:" << object_nonce |
| << " requested_security_level:" << requested_security_level |
| << " opened_security_level:" << opened_security_level |
| << " }"; |
| statsdLog->log(stats::media_metrics::MEDIA_DRM_SESSION_OPENED, log.str()); |
| return true; |
| } |
| |
| bool statsd_mediadrm_errored(const std::shared_ptr<const mediametrics::Item>& item, |
| const std::shared_ptr<mediametrics::StatsdLog>& statsdLog) |
| { |
| int64_t uuid_lsb = -1; |
| if (!item->getInt64("uuid_lsb", &uuid_lsb)) return false; |
| int64_t uuid_msb = -1; |
| if (!item->getInt64("uuid_msb", &uuid_msb)) return false; |
| const int32_t scheme = MediaDrmStatsdHelper::findDrmScheme(uuid_msb, uuid_lsb); |
| const int32_t uid = IPCThreadState::self()->getCallingUid(); |
| int32_t frontend = 0; |
| if (!item->getInt32("frontend", &frontend)) return false; |
| std::string object_nonce = ""; |
| if (!item->getString("object_nonce", &object_nonce)) return false; |
| std::string api_str = ""; |
| if (!item->getString("api", &api_str)) return false; |
| const int32_t api = MediaDrmStatsdHelper::findDrmApi(api_str); |
| int32_t error_code = 0; |
| if (!item->getInt32("error_code", &error_code)) return false; |
| |
| // Optional to be included |
| std::string version = ""; |
| item->getString("version", &version); |
| std::string session_nonce = ""; |
| item->getString("session_nonce", &session_nonce); |
| int32_t security_level = 0; |
| item->getInt32("security_level", &security_level); |
| |
| int32_t cdm_err = 0; |
| item->getInt32("cdm_err", &cdm_err); |
| int32_t oem_err = 0; |
| item->getInt32("oem_err", &oem_err); |
| int32_t error_context = 0; |
| item->getInt32("error_context", &error_context); |
| |
| const int result = stats_write(stats::media_metrics::MEDIA_DRM_ERRORED, scheme, uuid_lsb, |
| uuid_msb, uid, frontend, version.c_str(), object_nonce.c_str(), |
| session_nonce.c_str(), security_level, api, error_code, cdm_err, |
| oem_err, error_context); |
| |
| std::stringstream log; |
| log << "result:" << result << " {" |
| << " media_drm_errored:" |
| << stats::media_metrics::MEDIA_DRM_ERRORED |
| << " scheme:" << scheme |
| << " uuid_lsb:" << uuid_lsb |
| << " uuid_msb:" << uuid_msb |
| << " uid:" << uid |
| << " frontend:" << frontend |
| << " version:" << version |
| << " object_nonce:" << object_nonce |
| << " session_nonce:" << session_nonce |
| << " security_level:" << security_level |
| << " api:" << api |
| << " error_code:" << error_code |
| << " cdm_err:" << cdm_err |
| << " oem_err:" << oem_err |
| << " error_context:" << error_context |
| << " }"; |
| statsdLog->log(stats::media_metrics::MEDIA_DRM_ERRORED, log.str()); |
| return true; |
| } |
| |
| } // namespace android |
