services/mediametrics/statsd_drm.cpp - platform/frameworks/av - Git at Google

 /*
  * 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 <stdint.h>
 #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 "StringUtils.h"
 #include "iface_statsd.h"

 #include <statslog.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("");
     android::util::BytesField bf_serialized(kUnusedField.c_str(), kUnusedField.size());
     int result = android::util::stats_write(android::util::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:"
             << android::util::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(android::util::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 = android::util::stats_write(android::util::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:"
             << android::util::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(android::util::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() + 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, android::util::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:"
             << android::util::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(android::util::MEDIA_DRM_ACTIVITY_INFO, log.str());
     return true;
 }

 } // namespace android
	/*
	* 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 <stdint.h>
	#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 "StringUtils.h"
	#include "iface_statsd.h"

	#include <statslog.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("");
	android::util::BytesField bf_serialized(kUnusedField.c_str(), kUnusedField.size());
	int result = android::util::stats_write(android::util::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:"
	<< android::util::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(android::util::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 = android::util::stats_write(android::util::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:"
	<< android::util::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(android::util::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() + 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, android::util::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:"
	<< android::util::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(android::util::MEDIA_DRM_ACTIVITY_INFO, log.str());
	return true;
	}

	} // namespace android