| // Copyright (c) 2011 The Chromium OS Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef SHILL_IP_ADDRESS_ |
| #define SHILL_IP_ADDRESS_ |
| |
| #include <string> |
| |
| #include "shill/byte_string.h" |
| |
| namespace shill { |
| |
| class IPAddress { |
| public: |
| typedef unsigned char Family; |
| static const Family kFamilyUnknown; |
| static const Family kFamilyIPv4; |
| static const Family kFamilyIPv6; |
| |
| explicit IPAddress(Family family); |
| IPAddress(Family family, const ByteString &address); |
| IPAddress(Family family, const ByteString &address, unsigned int prefix); |
| ~IPAddress(); |
| |
| // Since this is a copyable datatype... |
| IPAddress(const IPAddress &b) |
| : family_(b.family_), |
| address_(b.address_), |
| prefix_(b.prefix_) {} |
| IPAddress &operator=(const IPAddress &b) { |
| family_ = b.family_; |
| address_ = b.address_; |
| prefix_ = b.prefix_; |
| return *this; |
| } |
| |
| // Static utilities |
| // Get the length in bytes of addresses of the given family |
| static int GetAddressLength(Family family); |
| |
| // Getters and Setters |
| Family family() const { return family_; } |
| const ByteString &address() const { return address_; } |
| unsigned int prefix() const { return prefix_; } |
| void set_prefix(unsigned int prefix) { prefix_ = prefix; } |
| const unsigned char *GetConstData() const { return address_.GetConstData(); } |
| int GetLength() const { return address_.GetLength(); } |
| bool IsDefault() const { return address_.IsZero(); } |
| bool IsValid() const { |
| return family_ != kFamilyUnknown && |
| GetLength() == GetAddressLength(family_); |
| } |
| |
| // Parse an IP address string |
| bool SetAddressFromString(const std::string &address_string); |
| // An uninitialized IPAddress is empty and invalid when constructed. |
| // Use SetAddressToDefault() to set it to the default or "all-zeroes" address. |
| void SetAddressToDefault(); |
| |
| bool Equals(const IPAddress &b) const { |
| return family_ == b.family_ && address_.Equals(b.address_) && |
| prefix_ == b.prefix_; |
| } |
| |
| private: |
| Family family_; |
| ByteString address_; |
| unsigned int prefix_; |
| // NO DISALLOW_COPY_AND_ASSIGN -- we assign IPAddresses in STL datatypes |
| }; |
| |
| } // namespace shill |
| |
| #endif // SHILL_IP_ADDRESS_ |