| /* |
| * 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/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" |
| #include "system_wrappers/include/metrics_default.h" |
| |
| // Enables collection of native histograms and creating them. |
| namespace webrtc { |
| namespace jni { |
| |
| static void JNI_Metrics_Enable(JNIEnv* jni, const JavaParamRef<jclass>&) { |
| metrics::Enable(); |
| } |
| |
| // Gets and clears native histograms. |
| static ScopedJavaLocalRef<jobject> JNI_Metrics_GetAndReset( |
| JNIEnv* jni, |
| const JavaParamRef<jclass>& jcaller) { |
| ScopedJavaLocalRef<jobject> j_metrics = Java_Metrics_Constructor(jni); |
| |
| std::map<std::string, std::unique_ptr<metrics::SampleInfo>> histograms; |
| metrics::GetAndReset(&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, |
| static_cast<int>(kv.second->bucket_count)); |
| 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); |
| } |
| CHECK_EXCEPTION(jni); |
| return j_metrics; |
| } |
| |
| } // namespace jni |
| } // namespace webrtc |