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Side by Side Diff: webrtc/api/android/jni/androidmetrics_jni.cc

Issue 2547483003: Move /webrtc/api/android files to /webrtc/sdk/android (Closed)
Patch Set: Move to api folder under Android instead of src Created 4 years ago
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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
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