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Android: Annotate and generate JNI code for Metrics.java

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Bug: webrtc:8278
Change-Id: I54caee1acb483d7554afd6c0958f1929a78d6a56
Reviewed-on: https://webrtc-review.googlesource.com/22720
Commit-Queue: Magnus Jedvert <magjed@webrtc.org>
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20753}
This commit is contained in:
Magnus Jedvert
2017-11-18 16:45:18 +01:00
committed by Commit Bot
parent 741282aafc
commit 986a79cf3d
3 changed files with 36 additions and 21 deletions
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25
sdk/android/src/jni/androidmetrics_jni.cc
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@ -11,6 +11,7 @@
#include <map>
#include <memory>
#include "sdk/android/generated_metrics_jni/jni/Metrics_jni.h"
#include "sdk/android/src/jni/classreferenceholder.h"
#include "sdk/android/src/jni/jni_helpers.h"
#include "system_wrappers/include/metrics.h"
@ -20,40 +21,30 @@
namespace webrtc {
namespace jni {
JNI_FUNCTION_DECLARATION(void, Metrics_nativeEnable, JNIEnv* jni, jclass) {
JNI_FUNCTION_DECLARATION(void, Metrics_enableNative, JNIEnv* jni, jclass) {
metrics::Enable();
}
// Gets and clears native histograms.
JNI_FUNCTION_DECLARATION(jobject,
Metrics_nativeGetAndReset,
Metrics_getAndResetNative,
JNIEnv* jni,
jclass) {
jclass j_metrics_class = jni->FindClass("org/webrtc/Metrics");
jmethodID j_add =
GetMethodID(jni, j_metrics_class, "add",
"(Ljava/lang/String;Lorg/webrtc/Metrics$HistogramInfo;)V");
jclass j_info_class = jni->FindClass("org/webrtc/Metrics$HistogramInfo");
jmethodID j_add_sample = GetMethodID(jni, j_info_class, "addSample", "(II)V");
// Create |Metrics|.
jobject j_metrics = jni->NewObject(
j_metrics_class, GetMethodID(jni, j_metrics_class, "<init>", "()V"));
jobject j_metrics = Java_Metrics_createMetrics(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|.
jobject j_info = jni->NewObject(
j_info_class, GetMethodID(jni, j_info_class, "<init>", "(III)V"),
kv.second->min, kv.second->max,
jobject j_info = Java_Metrics_createHistogramInfo(
jni, kv.second->min, kv.second->max,
static_cast<int>(kv.second->bucket_count));
for (const auto& sample : kv.second->samples) {
jni->CallVoidMethod(j_info, j_add_sample, sample.first, sample.second);
Java_HistogramInfo_addSample(jni, j_info, sample.first, sample.second);
}
// Add |HistogramInfo| to |Metrics|.
jstring j_name = jni->NewStringUTF(kv.first.c_str());
jni->CallVoidMethod(j_metrics, j_add, j_name, j_info);
Java_Metrics_add(jni, j_metrics, j_name, j_info);
jni->DeleteLocalRef(j_name);
jni->DeleteLocalRef(j_info);
}