1 /* 2 * Copyright (C) 2022 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 #pragma once 18 19 #include <aidl/android/hardware/tetheroffload/BnOffload.h> 20 21 namespace aidl { 22 namespace android { 23 namespace hardware { 24 namespace tetheroffload { 25 namespace impl { 26 namespace example { 27 28 using aidl::android::hardware::tetheroffload::ForwardedStats; 29 using aidl::android::hardware::tetheroffload::ITetheringOffloadCallback; 30 31 class Offload : public BnOffload { 32 public: 33 ndk::ScopedAStatus addDownstream(const std::string& in_iface, 34 const std::string& in_prefix) override; 35 ndk::ScopedAStatus getForwardedStats(const std::string& in_upstream, 36 ForwardedStats* _aidl_return) override; 37 ndk::ScopedAStatus initOffload( 38 const ndk::ScopedFileDescriptor& in_fd1, const ndk::ScopedFileDescriptor& in_fd2, 39 const std::shared_ptr<ITetheringOffloadCallback>& in_cb) override; 40 ndk::ScopedAStatus removeDownstream(const std::string& in_iface, 41 const std::string& in_prefix) override; 42 ndk::ScopedAStatus setDataWarningAndLimit(const std::string& in_upstream, 43 int64_t in_warningBytes, 44 int64_t in_limitBytes) override; 45 ndk::ScopedAStatus setLocalPrefixes(const std::vector<std::string>& in_prefixes) override; 46 ndk::ScopedAStatus setUpstreamParameters(const std::string& in_iface, 47 const std::string& in_v4Addr, 48 const std::string& in_v4Gw, 49 const std::vector<std::string>& in_v6Gws) override; 50 ndk::ScopedAStatus stopOffload() override; 51 52 private: 53 bool isInitialized(); 54 bool isValidInterface(const std::string& iface); 55 bool isValidIpv4Address(const std::string& repr); 56 bool isValidIpv4Prefix(const std::string& repr); 57 bool isValidIpv6Address(const std::string& repr); 58 bool isValidIpv6Prefix(const std::string& repr); 59 bool isValidIpAddress(const std::string& repr); 60 bool isValidIpPrefix(const std::string& repr); 61 bool validateIpAddressOrPrefix(const std::string& repr, const int expectedFamily, 62 const bool isPrefix); 63 64 bool mInitialized = false; 65 ndk::ScopedFileDescriptor mFd1; 66 ndk::ScopedFileDescriptor mFd2; 67 }; 68 69 } // namespace example 70 } // namespace impl 71 } // namespace tetheroffload 72 } // namespace hardware 73 } // namespace android 74 } // namespace aidl 75