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/*
* Copyright (C) 2017 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.
*/
#ifndef ANDROID_VINTF_RUNTIME_INFO_H
#define ANDROID_VINTF_RUNTIME_INFO_H
#include "Version.h"
#include <map>
#include <string>
#include <vector>
#include <utils/Errors.h>
#include "CheckFlags.h"
#include "KernelInfo.h"
#include "MatrixKernel.h"
#include "Version.h"
namespace android {
namespace vintf {
namespace testing {
class VintfObjectRuntimeInfoTest;
} // namespace testing
struct CompatibilityMatrix;
// Runtime Info sent to OTA server
struct RuntimeInfo {
RuntimeInfo() {}
virtual ~RuntimeInfo() = default;
// /proc/version
// utsname.sysname
const std::string &osName() const;
// utsname.nodename
const std::string &nodeName() const;
// utsname.release
const std::string &osRelease() const;
// utsname.version
const std::string &osVersion() const;
// utsname.machine
const std::string &hardwareId() const;
// extract from utsname.release
const KernelVersion &kernelVersion() const;
const std::map<std::string, std::string> &kernelConfigs() const;
const Version &bootVbmetaAvbVersion() const;
const Version &bootAvbVersion() const;
// /proc/cpuinfo
const std::string &cpuInfo() const;
// /sys/fs/selinux/policyvers
size_t kernelSepolicyVersion() const;
bool isMainlineKernel() const;
// Return whether this RuntimeInfo works with the given compatibility matrix. Return true if:
// - mat is a framework compat-mat
// - sepolicy.kernel-sepolicy-version == kernelSepolicyVersion()
// - /proc/config.gz matches the requirements. Note that /proc/config.gz is read when the
// RuntimeInfo object is created (the first time VintfObject::GetRuntimeInfo is called),
// not when RuntimeInfo::checkCompatibility is called.
// - avb-vbmetaversion matches related sysprops
bool checkCompatibility(const CompatibilityMatrix& mat, std::string* error = nullptr,
CheckFlags::Type flags = CheckFlags::DEFAULT) const;
using FetchFlags = uint32_t;
enum FetchFlag : FetchFlags {
CPU_VERSION = 1 << 0,
CONFIG_GZ = 1 << 1,
CPU_INFO = 1 << 2,
POLICYVERS = 1 << 3,
AVB = 1 << 4,
KERNEL_FCM = 1 << 5,
LAST_PLUS_ONE,
NONE = 0,
ALL = ((LAST_PLUS_ONE - 1) << 1) - 1,
};
// GKI kernel release string specifies the kernel level using a string like
// "android12". This function converts the trailing number of this string to
// a Level. For example, androidReleaseToLevel(12) -> Level::S.
// Abort if the value of |androidRelease| is higher than supported values
// specified in Level.
static Level gkiAndroidReleaseToLevel(uint64_t androidRelease);
protected:
virtual status_t fetchAllInformation(FetchFlags flags);
void setKernelLevel(Level level);
Level kernelLevel() const;
// Helper function to parse kernel release string as a GKI kernel release string.
// Return error if:
// - it is not a GKI kernel release string
// - kernel level is not recognized by libvintf.
static status_t parseGkiKernelRelease(RuntimeInfo::FetchFlags flags,
const std::string& kernelReleaseString,
KernelVersion* version, Level* kernelLevel);
friend struct RuntimeInfoFetcher;
friend class VintfObject;
friend struct LibVintfTest;
friend std::string dump(const RuntimeInfo& ki, bool);
friend class testing::VintfObjectRuntimeInfoTest;
// /proc/config.gz
// Key: CONFIG_xxx; Value: the value after = sign.
KernelInfo mKernel;
std::string mOsName;
std::string mNodeName;
std::string mOsRelease;
std::string mOsVersion;
std::string mHardwareId;
std::vector<std::string> mSepolicyFilePaths;
std::string mCpuInfo;
Version mBootVbmetaAvbVersion;
Version mBootAvbVersion;
size_t mKernelSepolicyVersion = 0u;
bool mIsMainline = false;
};
} // namespace vintf
} // namespace android
#endif // ANDROID_VINTF_RUNTIME_INFO_H