| /* |
| * 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 |