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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_NAMESPACE "StatsLog.tag."
#define LOG_TAG "StatsLog_println"
#include <assert.h>
#include <cutils/properties.h>
#include "jni.h"
#include <nativehelper/JNIHelp.h>
#include "utils/misc.h"
#include "core_jni_helpers.h"
#include "stats_event_list.h"
namespace android {
static void android_util_StatsLog_writeRaw(JNIEnv* env, jobject clazz, jbyteArray buf, jint size)
{
if (buf == NULL) {
return;
}
jint actualSize = env->GetArrayLength(buf);
if (actualSize < size) {
return;
}
jbyte* bufferArray = env->GetByteArrayElements(buf, NULL);
if (bufferArray == NULL) {
return;
}
const uint32_t statsEventTag = 1937006964;
struct iovec vec[2];
vec[0].iov_base = (void*) &statsEventTag;
vec[0].iov_len = sizeof(statsEventTag);
vec[1].iov_base = (void*) bufferArray;
vec[1].iov_len = size;
write_to_statsd(vec, 2);
env->ReleaseByteArrayElements(buf, bufferArray, 0);
}
/*
* JNI registration.
*/
static const JNINativeMethod gMethods[] = {
/* name, signature, funcPtr */
{ "writeRaw", "([BI)V", (void*) android_util_StatsLog_writeRaw },
};
int register_android_util_StatsLog(JNIEnv* env)
{
return RegisterMethodsOrDie(env, "android/util/StatsLog", gMethods, NELEM(gMethods));
}
}; // namespace android
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