1/*
2 * Copyright (C) 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#define LOG_TAG "CarServiceHelperService-JNI"
18
19//#define LOG_NDEBUG 0
20
21#include "jni.h"
22
23#include <nativehelper/JNIHelp.h>
24#include <suspend/autosuspend.h>
25#include <utils/Log.h>
26
27namespace android {
28
29// ----------------------------------------------------------------------------
30
31static jint nativeForceSuspend(JNIEnv* /* env */, jclass /* clazz */, jint timeoutMs) {
32    jint ret = autosuspend_force_suspend(timeoutMs);
33    ALOGD("nativeForceSuspend returned %d", ret);
34    return ret;
35}
36
37// ----------------------------------------------------------------------------
38
39static const JNINativeMethod gCarServiceHelperServiceMethods[] = {
40    /* name, signature, funcPtr */
41    { "nativeForceSuspend", "(I)I",
42            (void*) nativeForceSuspend },
43};
44
45int register_android_internal_car_CarServiceHelperService(JNIEnv* env) {
46    int res = jniRegisterNativeMethods(env, "com/android/internal/car/CarServiceHelperService",
47            gCarServiceHelperServiceMethods, NELEM(gCarServiceHelperServiceMethods));
48    (void) res;  // Faked use when LOG_NDEBUG.
49    LOG_FATAL_IF(res < 0, "Unable to register native methods.");
50    return 0;
51}
52
53} /* namespace android */
54
55
56using namespace android;
57
58extern "C" jint JNI_OnLoad(JavaVM* vm, void* /* reserved */)
59{
60    JNIEnv* env = NULL;
61    jint result = -1;
62
63    if (vm->GetEnv((void**) &env, JNI_VERSION_1_4) != JNI_OK) {
64        ALOGE("GetEnv failed!");
65        return result;
66    }
67    ALOG_ASSERT(env, "Could not retrieve the env!");
68
69    register_android_internal_car_CarServiceHelperService(env);
70    return JNI_VERSION_1_4;
71}
72