OLD | NEW |
| (Empty) |
1 /* | |
2 * Copyright 2016 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #include <map> | |
12 #include <memory> | |
13 | |
14 #include "webrtc/api/android/jni/classreferenceholder.h" | |
15 #include "webrtc/api/android/jni/jni_helpers.h" | |
16 #include "webrtc/system_wrappers/include/metrics.h" | |
17 #include "webrtc/system_wrappers/include/metrics_default.h" | |
18 | |
19 // Enables collection of native histograms and creating them. | |
20 namespace webrtc_jni { | |
21 | |
22 JOW(void, Metrics_nativeEnable)(JNIEnv* jni, jclass) { | |
23 webrtc::metrics::Enable(); | |
24 } | |
25 | |
26 // Gets and clears native histograms. | |
27 JOW(jobject, Metrics_nativeGetAndReset)(JNIEnv* jni, jclass) { | |
28 jclass j_metrics_class = jni->FindClass("org/webrtc/Metrics"); | |
29 jmethodID j_add = | |
30 GetMethodID(jni, j_metrics_class, "add", | |
31 "(Ljava/lang/String;Lorg/webrtc/Metrics$HistogramInfo;)V"); | |
32 jclass j_info_class = jni->FindClass("org/webrtc/Metrics$HistogramInfo"); | |
33 jmethodID j_add_sample = GetMethodID(jni, j_info_class, "addSample", "(II)V"); | |
34 | |
35 // Create |Metrics|. | |
36 jobject j_metrics = jni->NewObject( | |
37 j_metrics_class, GetMethodID(jni, j_metrics_class, "<init>", "()V")); | |
38 | |
39 std::map<std::string, std::unique_ptr<webrtc::metrics::SampleInfo>> | |
40 histograms; | |
41 webrtc::metrics::GetAndReset(&histograms); | |
42 for (const auto& kv : histograms) { | |
43 // Create and add samples to |HistogramInfo|. | |
44 jobject j_info = jni->NewObject( | |
45 j_info_class, GetMethodID(jni, j_info_class, "<init>", "(III)V"), | |
46 kv.second->min, kv.second->max, | |
47 static_cast<int>(kv.second->bucket_count)); | |
48 for (const auto& sample : kv.second->samples) { | |
49 jni->CallVoidMethod(j_info, j_add_sample, sample.first, sample.second); | |
50 } | |
51 // Add |HistogramInfo| to |Metrics|. | |
52 jstring j_name = jni->NewStringUTF(kv.first.c_str()); | |
53 jni->CallVoidMethod(j_metrics, j_add, j_name, j_info); | |
54 jni->DeleteLocalRef(j_name); | |
55 jni->DeleteLocalRef(j_info); | |
56 } | |
57 CHECK_EXCEPTION(jni); | |
58 return j_metrics; | |
59 } | |
60 | |
61 } // namespace webrtc_jni | |
OLD | NEW |