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      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 #ifndef ANDROID_VINTF_SEPOLICY_H
     18 #define ANDROID_VINTF_SEPOLICY_H
     19 
     20 
     21 namespace android {
     22 namespace vintf {
     23 
     24 struct KernelSepolicyVersion {
     25     size_t value;
     26     inline KernelSepolicyVersion() : KernelSepolicyVersion(0u) {}
     27     inline KernelSepolicyVersion(size_t v) : value(v) {}
     28     inline operator size_t() const {
     29         return value;
     30     }
     31 };
     32 
     33 // Sepolicy section in compatibility matrix.
     34 struct Sepolicy {
     35 
     36     Sepolicy() : Sepolicy(0u, {}) {}
     37     Sepolicy(KernelSepolicyVersion kernelSepolicyVersion,
     38             std::vector<VersionRange> &&sepolicyVersions) :
     39             mKernelSepolicyVersion(kernelSepolicyVersion),
     40             mSepolicyVersionRanges(std::move(sepolicyVersions)) {}
     41 
     42     inline size_t kernelSepolicyVersion() const { return mKernelSepolicyVersion.value; }
     43     inline const std::vector<VersionRange> &sepolicyVersions() const {
     44         return mSepolicyVersionRanges;
     45     }
     46 
     47    private:
     48     friend class AssembleVintfImpl;
     49     friend struct SepolicyConverter;
     50     KernelSepolicyVersion mKernelSepolicyVersion;
     51     std::vector<VersionRange> mSepolicyVersionRanges;
     52 };
     53 
     54 inline bool operator==(const Sepolicy &lft, const Sepolicy &rgt) {
     55     return lft.kernelSepolicyVersion() == rgt.kernelSepolicyVersion() &&
     56            lft.sepolicyVersions() == rgt.sepolicyVersions();
     57 }
     58 
     59 } // namespace vintf
     60 } // namespace android
     61 
     62 #endif // ANDROID_VINTF_SEPOLICY_H
     63