/Users/deen/code/yugabyte-db/src/yb/util/net/inetaddress.h
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1 | | // Copyright (c) YugaByte, Inc. |
2 | | // |
3 | | // Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except |
4 | | // in compliance with the License. You may obtain a copy of the License at |
5 | | // |
6 | | // http://www.apache.org/licenses/LICENSE-2.0 |
7 | | // |
8 | | // Unless required by applicable law or agreed to in writing, software distributed under the License |
9 | | // is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express |
10 | | // or implied. See the License for the specific language governing permissions and limitations |
11 | | // under the License. |
12 | | // |
13 | | |
14 | | #ifndef YB_UTIL_NET_INETADDRESS_H |
15 | | #define YB_UTIL_NET_INETADDRESS_H |
16 | | |
17 | | #include <string.h> |
18 | | |
19 | | #include <functional> |
20 | | #include <string> |
21 | | |
22 | | #include <boost/asio/ip/address.hpp> |
23 | | #include <boost/asio/ip/address_v4.hpp> |
24 | | #include <boost/asio/ip/address_v6.hpp> |
25 | | #include <boost/system/error_code.hpp> |
26 | | |
27 | | #include "yb/gutil/stringprintf.h" |
28 | | |
29 | | #include "yb/util/status_fwd.h" |
30 | | #include "yb/util/slice.h" |
31 | | |
32 | | namespace yb { |
33 | | |
34 | | constexpr size_t kInetAddressV4Size = 4; |
35 | | constexpr size_t kInetAddressV6Size = 16; |
36 | | |
37 | | // Generic class that encapsulates IPv4 and IPv6 addresses and uses the boost implementation |
38 | | // underneath. |
39 | | class InetAddress { |
40 | | public: |
41 | | InetAddress(); |
42 | | |
43 | | explicit InetAddress(const boost::asio::ip::address& address); |
44 | | |
45 | | InetAddress(const InetAddress& other); |
46 | | |
47 | | // Fills in strval with the string representation of an IPv4 or IPv6 address. |
48 | | CHECKED_STATUS ToString(std::string* strval) const; |
49 | | |
50 | | // Returns string representation of an IPv4 or IPv6 address. This method doesn't return a |
51 | | // Status for usecases in the code where we don't support returning a status. |
52 | | std::string ToString() const; |
53 | | |
54 | | // Fills in the given string with the raw bytes for the appropriate address in network byte order. |
55 | | void AppendToBytes(std::string* bytes) const; |
56 | | |
57 | | std::string ToBytes() const; |
58 | | |
59 | | // Given a string holding the raw bytes in network byte order, it builds the appropriate |
60 | | // InetAddress object. |
61 | | CHECKED_STATUS FromBytes(const std::string& bytes); |
62 | | |
63 | | // Give a slice holding raw bytes in network byte order, build the appropriate InetAddress |
64 | | // object. If size_hint is specified, it indicates the number of bytes to decode from the slice. |
65 | | CHECKED_STATUS FromSlice(const Slice& slice, size_t size_hint = 0); |
66 | | |
67 | 1 | const boost::asio::ip::address& address() const { |
68 | 1 | return boost_addr_; |
69 | 1 | } |
70 | | |
71 | | bool isV4() const; |
72 | | |
73 | | bool isV6() const; |
74 | | |
75 | 108 | bool operator==(const InetAddress& other) const { |
76 | 108 | return (boost_addr_ == other.boost_addr_); |
77 | 108 | } |
78 | | |
79 | | bool operator!=(const InetAddress& other) const { |
80 | | return !(*this == other); |
81 | | } |
82 | | |
83 | | bool operator<(const InetAddress& other) const; |
84 | | |
85 | 427 | bool operator>(const InetAddress& other) const { |
86 | 427 | return (other < *this); |
87 | 427 | } |
88 | | |
89 | | bool operator<=(const InetAddress& other) const { |
90 | | return !(other < *this); |
91 | | } |
92 | | |
93 | | bool operator>=(const InetAddress& other) const { |
94 | | return !(*this < other); |
95 | | } |
96 | | |
97 | 400 | InetAddress& operator=(const InetAddress& other) { |
98 | 400 | boost_addr_ = other.boost_addr_; |
99 | 400 | return *this; |
100 | 400 | } |
101 | | |
102 | | private: |
103 | | boost::asio::ip::address boost_addr_; |
104 | | }; |
105 | | |
106 | | void FilterAddresses(const string &transform_spec, |
107 | | vector<boost::asio::ip::address> *addresses); |
108 | | |
109 | | } // namespace yb |
110 | | |
111 | | #endif // YB_UTIL_NET_INETADDRESS_H |