1 /* 2 * Copyright (C) 2021 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 #include "structs.h" 18 19 #include <iomanip> 20 21 namespace android::nl::protocols { 22 flagsToStream(FlagsMap flags)23AttributeDefinition::ToStream flagsToStream(FlagsMap flags) { 24 return [flags](std::stringstream& ss, const Buffer<nlattr> attr) { 25 auto val = attr.data<uint64_t>().copyFirst(); 26 27 bool first = true; 28 for (const auto& [flag, name] : flags) { 29 if ((val & flag) != flag) continue; 30 val &= ~flag; 31 32 if (!first) ss << '|'; 33 first = false; 34 35 ss << name; 36 } 37 38 if (val == 0) return; 39 40 if (!first) ss << '|'; 41 ss << std::hex << val << std::dec; 42 }; 43 } 44 hwaddrToStream(std::stringstream & ss,const Buffer<nlattr> attr)45void hwaddrToStream(std::stringstream& ss, const Buffer<nlattr> attr) { 46 ss << std::hex; 47 bool first = true; 48 for (const auto byte : attr.data<uint8_t>().getRaw()) { 49 if (!first) ss << ':'; 50 first = false; 51 52 ss << std::setw(2) << unsigned(byte); 53 } 54 ss << std::dec; 55 } 56 57 } // namespace android::nl::protocols 58