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80 lines
2.4 KiB
80 lines
2.4 KiB
/*
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* Copyright (C) 2017 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 "PluginMetricsReporting"
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#include <media/PluginMetricsReporting.h>
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#include <inttypes.h>
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#include <media/MediaMetrics.h>
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#include <utils/Log.h>
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namespace android {
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namespace {
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constexpr char kSerializedMetricsField[] = "serialized_metrics";
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status_t reportVendorMetrics(const std::string& metrics,
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const String8& name,
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uid_t appUid) {
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mediametrics_handle_t analyticsItem(mediametrics_create(name.c_str()));
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mediametrics_setUid(analyticsItem, appUid);
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if (metrics.size() > 0) {
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mediametrics_setCString(analyticsItem, kSerializedMetricsField, metrics.c_str());
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}
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if (!mediametrics_selfRecord(analyticsItem)) {
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ALOGE("%s: selfrecord() returned false", __func__);
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}
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mediametrics_delete(analyticsItem);
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return OK;
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}
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String8 sanitize(const String8& input) {
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// Filters the input string down to just alphanumeric characters.
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String8 output;
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for (size_t i = 0; i < input.size(); ++i) {
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char candidate = input[i];
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if ((candidate >= 'a' && candidate <= 'z') ||
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(candidate >= 'A' && candidate <= 'Z') ||
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(candidate >= '0' && candidate <= '9')) {
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output.append(&candidate, 1);
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}
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}
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return output;
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}
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} // namespace
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status_t reportDrmPluginMetrics(const std::string& b64EncodedMetrics,
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const String8& vendor,
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const String8& description,
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uid_t appUid) {
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String8 name = String8::format("drm.vendor.%s.%s",
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sanitize(vendor).c_str(),
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sanitize(description).c_str());
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return reportVendorMetrics(b64EncodedMetrics, name, appUid);
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}
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} // namespace android
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