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235 lines
8.5 KiB
235 lines
8.5 KiB
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//#define LOG_NDEBUG 0
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#define LOG_TAG "statsd_drm"
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#include <utils/Log.h>
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#include <media/stagefright/foundation/base64.h>
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#include <stdint.h>
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#include <inttypes.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <dirent.h>
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#include <pthread.h>
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#include <unistd.h>
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#include <string.h>
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#include <pwd.h>
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#include "MediaMetricsService.h"
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#include "StringUtils.h"
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#include "iface_statsd.h"
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#include <statslog.h>
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#include <array>
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#include <string>
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#include <vector>
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namespace android {
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// mediadrm
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bool statsd_mediadrm(const std::shared_ptr<const mediametrics::Item>& item,
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const std::shared_ptr<mediametrics::StatsdLog>& statsdLog)
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{
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if (item == nullptr) return false;
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const nsecs_t timestamp_nanos = MediaMetricsService::roundTime(item->getTimestamp());
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const std::string package_name = item->getPkgName();
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const int64_t package_version_code = item->getPkgVersionCode();
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const int64_t media_apex_version = 0;
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std::string vendor;
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(void) item->getString("vendor", &vendor);
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std::string description;
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(void) item->getString("description", &description);
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std::string serialized_metrics;
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(void) item->getString("serialized_metrics", &serialized_metrics);
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if (serialized_metrics.empty()) {
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ALOGD("statsd_mediadrm skipping empty entry");
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return false;
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}
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// This field is left here for backward compatibility.
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// This field is not used anymore.
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const std::string kUnusedField("");
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android::util::BytesField bf_serialized(kUnusedField.c_str(), kUnusedField.size());
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int result = android::util::stats_write(android::util::MEDIAMETRICS_MEDIADRM_REPORTED,
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timestamp_nanos, package_name.c_str(), package_version_code,
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media_apex_version,
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vendor.c_str(),
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description.c_str(),
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bf_serialized);
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std::stringstream log;
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log << "result:" << result << " {"
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<< " mediametrics_mediadrm_reported:"
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<< android::util::MEDIAMETRICS_MEDIADRM_REPORTED
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<< " timestamp_nanos:" << timestamp_nanos
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<< " package_name:" << package_name
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<< " package_version_code:" << package_version_code
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<< " media_apex_version:" << media_apex_version
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<< " vendor:" << vendor
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<< " description:" << description
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// omitting serialized
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<< " }";
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statsdLog->log(android::util::MEDIAMETRICS_MEDIADRM_REPORTED, log.str());
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return true;
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}
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// drmmanager
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bool statsd_drmmanager(const std::shared_ptr<const mediametrics::Item>& item,
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const std::shared_ptr<mediametrics::StatsdLog>& statsdLog)
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{
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using namespace std::string_literals;
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if (item == nullptr) return false;
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const nsecs_t timestamp_nanos = MediaMetricsService::roundTime(item->getTimestamp());
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const std::string package_name = item->getPkgName();
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const int64_t package_version_code = item->getPkgVersionCode();
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const int64_t media_apex_version = 0;
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std::string plugin_id;
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(void) item->getString("plugin_id", &plugin_id);
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std::string description;
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(void) item->getString("description", &description);
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int32_t method_id = -1;
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(void) item->getInt32("method_id", &method_id);
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std::string mime_types;
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(void) item->getString("mime_types", &mime_types);
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// Corresponds to the 13 APIs tracked in the MediametricsDrmManagerReported statsd proto
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// Please see also DrmManager::kMethodIdMap
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std::array<int64_t, 13> methodCounts{};
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for (size_t i = 0; i < methodCounts.size() ; i++) {
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item->getInt64(("method"s + std::to_string(i)).c_str(), &methodCounts[i]);
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}
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const int result = android::util::stats_write(android::util::MEDIAMETRICS_DRMMANAGER_REPORTED,
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timestamp_nanos, package_name.c_str(), package_version_code,
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media_apex_version,
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plugin_id.c_str(), description.c_str(),
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method_id, mime_types.c_str(),
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methodCounts[0], methodCounts[1], methodCounts[2],
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methodCounts[3], methodCounts[4], methodCounts[5],
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methodCounts[6], methodCounts[7], methodCounts[8],
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methodCounts[9], methodCounts[10], methodCounts[11],
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methodCounts[12]);
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std::stringstream log;
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log << "result:" << result << " {"
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<< " mediametrics_drmmanager_reported:"
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<< android::util::MEDIAMETRICS_DRMMANAGER_REPORTED
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<< " timestamp_nanos:" << timestamp_nanos
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<< " package_name:" << package_name
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<< " package_version_code:" << package_version_code
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<< " media_apex_version:" << media_apex_version
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<< " plugin_id:" << plugin_id
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<< " description:" << description
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<< " method_id:" << method_id
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<< " mime_types:" << mime_types;
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for (size_t i = 0; i < methodCounts.size(); ++i) {
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log << " method_" << i << ":" << methodCounts[i];
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}
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log << " }";
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statsdLog->log(android::util::MEDIAMETRICS_DRMMANAGER_REPORTED, log.str());
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return true;
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}
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namespace {
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std::vector<uint8_t> base64DecodeNoPad(std::string& str) {
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if (str.empty()) {
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return {};
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}
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switch (str.length() % 4) {
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case 3: str += "="; break;
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case 2: str += "=="; break;
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case 1: str += "==="; break;
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case 0: /* unchanged */ break;
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}
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std::vector<uint8_t> buf(str.length() / 4 * 3, 0);
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size_t size = buf.size();
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if (decodeBase64(buf.data(), &size, str.c_str()) && size <= buf.size()) {
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buf.erase(buf.begin() + size, buf.end());
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return buf;
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}
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return {};
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}
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} // namespace
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// |out| and its contents are memory-managed by statsd.
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bool statsd_mediadrm_puller(
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const std::shared_ptr<const mediametrics::Item>& item, AStatsEventList* out,
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const std::shared_ptr<mediametrics::StatsdLog>& statsdLog)
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{
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if (item == nullptr) {
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return false;
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}
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std::string serialized_metrics;
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(void) item->getString("serialized_metrics", &serialized_metrics);
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const auto framework_raw(base64DecodeNoPad(serialized_metrics));
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std::string plugin_metrics;
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(void) item->getString("plugin_metrics", &plugin_metrics);
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const auto plugin_raw(base64DecodeNoPad(plugin_metrics));
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if (serialized_metrics.size() == 0 && plugin_metrics.size() == 0) {
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ALOGD("statsd_mediadrm_puller skipping empty entry");
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return false;
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}
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std::string vendor;
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(void) item->getString("vendor", &vendor);
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std::string description;
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(void) item->getString("description", &description);
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// Memory for |event| is internally managed by statsd.
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AStatsEvent* event = AStatsEventList_addStatsEvent(out);
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AStatsEvent_setAtomId(event, android::util::MEDIA_DRM_ACTIVITY_INFO);
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AStatsEvent_writeString(event, item->getPkgName().c_str());
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AStatsEvent_writeInt64(event, item->getPkgVersionCode());
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AStatsEvent_writeString(event, vendor.c_str());
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AStatsEvent_writeString(event, description.c_str());
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AStatsEvent_writeByteArray(event, framework_raw.data(), framework_raw.size());
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AStatsEvent_writeByteArray(event, plugin_raw.data(), plugin_raw.size());
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AStatsEvent_build(event);
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std::stringstream log;
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log << "pulled:" << " {"
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<< " media_drm_activity_info:"
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<< android::util::MEDIA_DRM_ACTIVITY_INFO
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<< " package_name:" << item->getPkgName()
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<< " package_version_code:" << item->getPkgVersionCode()
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<< " vendor:" << vendor
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<< " description:" << description
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<< " framework_metrics:" << mediametrics::stringutils::bytesToString(framework_raw, 8)
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<< " vendor_metrics:" << mediametrics::stringutils::bytesToString(plugin_raw, 8)
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<< " }";
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statsdLog->log(android::util::MEDIA_DRM_ACTIVITY_INFO, log.str());
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return true;
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}
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} // namespace android
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