1 | /* |
2 | * Copyright 2014-present Facebook, Inc. |
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 | #pragma once |
17 | |
18 | #include <exception> |
19 | #include <string> |
20 | #include <utility> |
21 | |
22 | #include <folly/CPortability.h> |
23 | #include <folly/detail/IPAddress.h> |
24 | |
25 | namespace folly { |
26 | |
27 | /** |
28 | * Error codes for non-throwing interface of IPAddress family of functions. |
29 | */ |
30 | enum class IPAddressFormatError { INVALID_IP, UNSUPPORTED_ADDR_FAMILY }; |
31 | |
32 | /** |
33 | * Wraps error from parsing IP/MASK string |
34 | */ |
35 | enum class CIDRNetworkError { |
36 | INVALID_DEFAULT_CIDR, |
37 | INVALID_IP_SLASH_CIDR, |
38 | INVALID_IP, |
39 | INVALID_CIDR, |
40 | CIDR_MISMATCH, |
41 | }; |
42 | |
43 | /** |
44 | * Exception for invalid IP addresses. |
45 | */ |
46 | class FOLLY_EXPORT IPAddressFormatException : public std::exception { |
47 | public: |
48 | explicit IPAddressFormatException(std::string msg) noexcept |
49 | : msg_(std::move(msg)) {} |
50 | IPAddressFormatException(const IPAddressFormatException&) = default; |
51 | IPAddressFormatException(IPAddressFormatException&&) = default; |
52 | IPAddressFormatException& operator=(const IPAddressFormatException&) = |
53 | default; |
54 | IPAddressFormatException& operator=(IPAddressFormatException&&) = default; |
55 | |
56 | ~IPAddressFormatException() noexcept override {} |
57 | const char* what() const noexcept override { |
58 | return msg_.c_str(); |
59 | } |
60 | |
61 | private: |
62 | std::string msg_; |
63 | }; |
64 | |
65 | class FOLLY_EXPORT InvalidAddressFamilyException |
66 | : public IPAddressFormatException { |
67 | public: |
68 | explicit InvalidAddressFamilyException(std::string msg) noexcept |
69 | : IPAddressFormatException(std::move(msg)) {} |
70 | explicit InvalidAddressFamilyException(sa_family_t family) noexcept |
71 | : InvalidAddressFamilyException( |
72 | "Address family " + detail::familyNameStr(family) + |
73 | " is not AF_INET or AF_INET6" ) {} |
74 | InvalidAddressFamilyException(const InvalidAddressFamilyException&) = default; |
75 | InvalidAddressFamilyException(InvalidAddressFamilyException&&) = default; |
76 | InvalidAddressFamilyException& operator=( |
77 | const InvalidAddressFamilyException&) = default; |
78 | InvalidAddressFamilyException& operator=(InvalidAddressFamilyException&&) = |
79 | default; |
80 | }; |
81 | |
82 | } // namespace folly |
83 | |