1 /* 2 * Copyright (C) 2016 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 NETD_SERVER_ANDROID_NET_UID_RANGE_H 18 #define NETD_SERVER_ANDROID_NET_UID_RANGE_H 19 20 #include <binder/Parcelable.h> 21 22 namespace android { 23 24 namespace net { 25 26 /* 27 * C++ implementation of UidRange, a contiguous range of UIDs. 28 */ 29 class UidRange : public Parcelable { 30 public: 31 UidRange() = default; 32 virtual ~UidRange() = default; 33 UidRange(const UidRange& range) = default; 34 UidRange(int32_t start, int32_t stop); 35 36 status_t writeToParcel(Parcel* parcel) const override; 37 status_t readFromParcel(const Parcel* parcel) override; 38 39 /* 40 * Setters for UidRange start and stop UIDs. 41 */ 42 void setStart(int32_t uid); 43 void setStop(int32_t uid); 44 45 /* 46 * Getters for UidRange start and stop UIDs. 47 */ 48 int32_t getStart() const; 49 int32_t getStop() const; 50 51 /** 52 * Additional functions. 53 */ 54 uint32_t length() const; 55 56 57 /** 58 * Operators and comparators. 59 */ 60 friend bool operator<(const UidRange& lhs, const UidRange& rhs) { 61 return lhs.mStart != rhs.mStart ? (lhs.mStart < rhs.mStart) : (lhs.mStop < rhs.mStop); 62 } 63 64 friend bool operator==(const UidRange& lhs, const UidRange& rhs) { 65 return (lhs.mStart == rhs.mStart && lhs.mStop == rhs.mStop); 66 } 67 68 friend bool operator!=(const UidRange& lhs, const UidRange& rhs) { 69 return !(lhs == rhs); 70 } 71 72 private: 73 int32_t mStart = -1; 74 int32_t mStop = -1; 75 }; 76 77 } // namespace net 78 79 } // namespace android 80 81 #endif // NETD_SERVER_ANDROID_NET_UID_RANGE_H 82
