Jakub Pawlowski | b707f44 | 2017-07-03 15:39:36 -0700 | [diff] [blame] | 1 | /****************************************************************************** |
| 2 | * |
Jakub Pawlowski | 5b790fe | 2017-09-18 09:00:20 -0700 | [diff] [blame] | 3 | * Copyright 2017 The Android Open Source Project |
Jakub Pawlowski | b707f44 | 2017-07-03 15:39:36 -0700 | [diff] [blame] | 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at: |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | * |
| 17 | ******************************************************************************/ |
| 18 | |
| 19 | #include "raw_address.h" |
| 20 | |
| 21 | #include <base/strings/string_split.h> |
| 22 | #include <base/strings/stringprintf.h> |
| 23 | #include <stdint.h> |
| 24 | #include <algorithm> |
| 25 | #include <vector> |
| 26 | |
| 27 | static_assert(sizeof(RawAddress) == 6, "RawAddress must be 6 bytes long!"); |
| 28 | |
| 29 | const RawAddress RawAddress::kAny{{0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}}; |
| 30 | const RawAddress RawAddress::kEmpty{{0x00, 0x00, 0x00, 0x00, 0x00, 0x00}}; |
| 31 | |
| 32 | RawAddress::RawAddress(const uint8_t (&addr)[6]) { |
| 33 | std::copy(addr, addr + kLength, address); |
| 34 | }; |
| 35 | |
Jakub Pawlowski | b707f44 | 2017-07-03 15:39:36 -0700 | [diff] [blame] | 36 | std::string RawAddress::ToString() const { |
| 37 | return base::StringPrintf("%02x:%02x:%02x:%02x:%02x:%02x", address[0], |
| 38 | address[1], address[2], address[3], address[4], |
| 39 | address[5]); |
| 40 | } |
| 41 | |
| 42 | bool RawAddress::FromString(const std::string& from, RawAddress& to) { |
| 43 | RawAddress new_addr; |
| 44 | if (from.length() != 17) return false; |
| 45 | |
| 46 | std::vector<std::string> byte_tokens = |
| 47 | base::SplitString(from, ":", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL); |
| 48 | |
| 49 | if (byte_tokens.size() != 6) return false; |
| 50 | |
| 51 | for (int i = 0; i < 6; i++) { |
| 52 | const auto& token = byte_tokens[i]; |
| 53 | |
| 54 | if (token.length() != 2) return false; |
| 55 | |
| 56 | char* temp = nullptr; |
| 57 | new_addr.address[i] = strtol(token.c_str(), &temp, 16); |
| 58 | if (*temp != '\0') return false; |
| 59 | } |
| 60 | |
| 61 | to = new_addr; |
| 62 | return true; |
| 63 | } |
| 64 | |
Pavlin Radoslavov | c57d93a | 2017-11-25 20:51:36 -0800 | [diff] [blame] | 65 | size_t RawAddress::FromOctets(const uint8_t* from) { |
| 66 | std::copy(from, from + kLength, address); |
| 67 | return kLength; |
| 68 | }; |
| 69 | |
Jakub Pawlowski | b707f44 | 2017-07-03 15:39:36 -0700 | [diff] [blame] | 70 | bool RawAddress::IsValidAddress(const std::string& address) { |
| 71 | RawAddress tmp; |
| 72 | return RawAddress::FromString(address, tmp); |
| 73 | } |