1 /* 2 * Copyright (c) Facebook, Inc. and its affiliates. 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 #pragma once 18 19 #include <exception> 20 #include <string> 21 #include <utility> 22 23 #include <folly/CPortability.h> 24 #include <folly/detail/IPAddress.h> 25 #include <folly/lang/Exception.h> 26 27 namespace folly { 28 29 /** 30 * Error codes for non-throwing interface of IPAddress family of functions. 31 */ 32 enum class IPAddressFormatError { INVALID_IP, UNSUPPORTED_ADDR_FAMILY }; 33 34 /** 35 * Wraps error from parsing IP/MASK string 36 */ 37 enum class CIDRNetworkError { 38 INVALID_DEFAULT_CIDR, 39 INVALID_IP_SLASH_CIDR, 40 INVALID_IP, 41 INVALID_CIDR, 42 CIDR_MISMATCH, 43 }; 44 45 /** 46 * Exception for invalid IP addresses. 47 */ 48 class FOLLY_EXPORT IPAddressFormatException : public std::runtime_error { 49 public: 50 using std::runtime_error::runtime_error; 51 }; 52 53 class FOLLY_EXPORT InvalidAddressFamilyException 54 : public IPAddressFormatException { 55 public: InvalidAddressFamilyException(const char * msg)56 explicit InvalidAddressFamilyException(const char* msg) 57 : IPAddressFormatException{msg} {} InvalidAddressFamilyException(const std::string & msg)58 explicit InvalidAddressFamilyException(const std::string& msg) noexcept 59 : IPAddressFormatException{msg} {} InvalidAddressFamilyException(sa_family_t family)60 explicit InvalidAddressFamilyException(sa_family_t family) noexcept 61 : InvalidAddressFamilyException( 62 "Address family " + detail::familyNameStr(family) + 63 " is not AF_INET or AF_INET6") {} 64 }; 65 66 } // namespace folly 67