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1 /******************************************************************************
2  *
3  *  Copyright 2017 The Android Open Source Project
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 #pragma once
20 
21 #include <string>
22 
23 /** Bluetooth Address */
24 class RawAddress final {
25  public:
26   static constexpr unsigned int kLength = 6;
27 
28   uint8_t address[kLength];
29 
30   RawAddress() = default;
31   RawAddress(const uint8_t (&addr)[6]);
32 
33   bool operator<(const RawAddress& rhs) const {
34     return (std::memcmp(address, rhs.address, sizeof(address)) < 0);
35   }
36   bool operator==(const RawAddress& rhs) const {
37     return (std::memcmp(address, rhs.address, sizeof(address)) == 0);
38   }
39   bool operator>(const RawAddress& rhs) const { return (rhs < *this); }
40   bool operator<=(const RawAddress& rhs) const { return !(*this > rhs); }
41   bool operator>=(const RawAddress& rhs) const { return !(*this < rhs); }
42   bool operator!=(const RawAddress& rhs) const { return !(*this == rhs); }
43 
IsEmpty()44   bool IsEmpty() const { return *this == kEmpty; }
45 
46   std::string ToString() const;
47 
48   // Converts |string| to RawAddress and places it in |to|. If |from| does
49   // not represent a Bluetooth address, |to| is not modified and this function
50   // returns false. Otherwise, it returns true.
51   static bool FromString(const std::string& from, RawAddress& to);
52 
53   // Copies |from| raw Bluetooth address octets to the local object.
54   // Returns the number of copied octets - should be always RawAddress::kLength
55   size_t FromOctets(const uint8_t* from);
56 
57   static bool IsValidAddress(const std::string& address);
58 
59   static const RawAddress kEmpty;  // 00:00:00:00:00:00
60   static const RawAddress kAny;    // FF:FF:FF:FF:FF:FF
61 };
62 
63 inline std::ostream& operator<<(std::ostream& os, const RawAddress& a) {
64   os << a.ToString();
65   return os;
66 }
67