1/*
2 * Copyright (C) 2017 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 "VintfRuntimeInfo"
18//#define LOG_NDEBUG 0
19
20#include <nativehelper/JNIHelp.h>
21#include <vintf/VintfObject.h>
22#include <vintf/parse_string.h>
23#include <vintf/parse_xml.h>
24
25#include "core_jni_helpers.h"
26
27namespace android {
28
29using vintf::RuntimeInfo;
30using vintf::VintfObject;
31
32#define MAP_STRING_METHOD(javaMethod, cppString, flags)                                \
33    static jstring android_os_VintfRuntimeInfo_##javaMethod(JNIEnv* env, jclass clazz) \
34    {                                                                                  \
35        std::shared_ptr<const RuntimeInfo> info = VintfObject::GetRuntimeInfo(         \
36                false /* skipCache */, flags);                                         \
37        if (info == nullptr) return nullptr;                                           \
38        return env->NewStringUTF((cppString).c_str());                                 \
39    }                                                                                  \
40
41MAP_STRING_METHOD(getCpuInfo, info->cpuInfo(), RuntimeInfo::FetchFlag::CPU_INFO);
42MAP_STRING_METHOD(getOsName, info->osName(), RuntimeInfo::FetchFlag::CPU_VERSION);
43MAP_STRING_METHOD(getNodeName, info->nodeName(), RuntimeInfo::FetchFlag::CPU_VERSION);
44MAP_STRING_METHOD(getOsRelease, info->osRelease(), RuntimeInfo::FetchFlag::CPU_VERSION);
45MAP_STRING_METHOD(getOsVersion, info->osVersion(), RuntimeInfo::FetchFlag::CPU_VERSION);
46MAP_STRING_METHOD(getHardwareId, info->hardwareId(), RuntimeInfo::FetchFlag::CPU_VERSION);
47MAP_STRING_METHOD(getKernelVersion, vintf::to_string(info->kernelVersion()),
48                  RuntimeInfo::FetchFlag::CPU_VERSION);
49MAP_STRING_METHOD(getBootAvbVersion, vintf::to_string(info->bootAvbVersion()),
50                  RuntimeInfo::FetchFlag::AVB);
51MAP_STRING_METHOD(getBootVbmetaAvbVersion, vintf::to_string(info->bootVbmetaAvbVersion()),
52                  RuntimeInfo::FetchFlag::AVB);
53
54
55static jlong android_os_VintfRuntimeInfo_getKernelSepolicyVersion(JNIEnv *env, jclass clazz)
56{
57    std::shared_ptr<const RuntimeInfo> info = VintfObject::GetRuntimeInfo(
58        false /* skipCache */, RuntimeInfo::FetchFlag::POLICYVERS);
59    if (info == nullptr) return 0;
60    return static_cast<jlong>(info->kernelSepolicyVersion());
61}
62
63// ----------------------------------------------------------------------------
64
65static const JNINativeMethod gVintfRuntimeInfoMethods[] = {
66    {"getKernelSepolicyVersion", "()J", (void*)android_os_VintfRuntimeInfo_getKernelSepolicyVersion},
67    {"getCpuInfo", "()Ljava/lang/String;", (void*)android_os_VintfRuntimeInfo_getCpuInfo},
68    {"getOsName", "()Ljava/lang/String;", (void*)android_os_VintfRuntimeInfo_getOsName},
69    {"getNodeName", "()Ljava/lang/String;", (void*)android_os_VintfRuntimeInfo_getNodeName},
70    {"getOsRelease", "()Ljava/lang/String;", (void*)android_os_VintfRuntimeInfo_getOsRelease},
71    {"getOsVersion", "()Ljava/lang/String;", (void*)android_os_VintfRuntimeInfo_getOsVersion},
72    {"getHardwareId", "()Ljava/lang/String;", (void*)android_os_VintfRuntimeInfo_getHardwareId},
73    {"getKernelVersion", "()Ljava/lang/String;", (void*)android_os_VintfRuntimeInfo_getKernelVersion},
74    {"getBootAvbVersion", "()Ljava/lang/String;", (void*)android_os_VintfRuntimeInfo_getBootAvbVersion},
75    {"getBootVbmetaAvbVersion", "()Ljava/lang/String;", (void*)android_os_VintfRuntimeInfo_getBootVbmetaAvbVersion},
76};
77
78const char* const kVintfRuntimeInfoPathName = "android/os/VintfRuntimeInfo";
79
80int register_android_os_VintfRuntimeInfo(JNIEnv* env)
81{
82    return RegisterMethodsOrDie(env, kVintfRuntimeInfoPathName, gVintfRuntimeInfoMethods, NELEM(gVintfRuntimeInfoMethods));
83}
84
85};
86