blob: e021ef407a24365ee655e35b784f4b3c04be38b0 [file] [log] [blame]
* Copyright 2016 The WebRTC project authors. All Rights Reserved.
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
#include <map>
#include <memory>
#include "sdk/android/generated_metrics_jni/Metrics_jni.h"
#include "sdk/android/native_api/jni/java_types.h"
#include "sdk/android/src/jni/jni_helpers.h"
#include "system_wrappers/include/metrics.h"
// Enables collection of native histograms and creating them.
namespace webrtc {
namespace jni {
static void JNI_Metrics_Enable(JNIEnv* jni) {
// Gets and clears native histograms.
static ScopedJavaLocalRef<jobject> JNI_Metrics_GetAndReset(JNIEnv* jni) {
ScopedJavaLocalRef<jobject> j_metrics = Java_Metrics_Constructor(jni);
std::map<std::string, std::unique_ptr<metrics::SampleInfo>> histograms;
for (const auto& kv : histograms) {
// Create and add samples to `HistogramInfo`.
ScopedJavaLocalRef<jobject> j_info = Java_HistogramInfo_Constructor(
jni, kv.second->min, kv.second->max,
for (const auto& sample : kv.second->samples) {
Java_HistogramInfo_addSample(jni, j_info, sample.first, sample.second);
// Add `HistogramInfo` to `Metrics`.
ScopedJavaLocalRef<jstring> j_name = NativeToJavaString(jni, kv.first);
Java_Metrics_add(jni, j_metrics, j_name, j_info);
return j_metrics;
} // namespace jni
} // namespace webrtc