95 lines
2.8 KiB
C
95 lines
2.8 KiB
C
|
/*
|
||
|
|
IPv6Address.h - Base class that provides IPv6Address
|
||
|
|
Copyright (c) 2011 Adrian McEwen. All right reserved.
|
||
|
|
|
||
|
|
This library is free software; you can redistribute it and/or
|
||
|
|
modify it under the terms of the GNU Lesser General Public
|
||
|
|
License as published by the Free Software Foundation; either
|
||
|
|
version 2.1 of the License, or (at your option) any later version.
|
||
|
|
|
||
|
|
This library is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||
|
|
Lesser General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU Lesser General Public
|
||
|
|
License along with this library; if not, write to the Free Software
|
||
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef IPv6Address_h
|
||
|
|
#define IPv6Address_h
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
#include <WString.h>
|
||
|
|
#include <Printable.h>
|
||
|
|
|
||
|
|
// A class to make it easier to handle and pass around IP addresses
|
||
|
|
|
||
|
|
class IPv6Address: public Printable
|
||
|
|
{
|
||
|
|
private:
|
||
|
|
union {
|
||
|
|
uint8_t bytes[16]; // IPv4 address
|
||
|
|
uint32_t dword[4];
|
||
|
|
} _address;
|
||
|
|
|
||
|
|
// Access the raw byte array containing the address. Because this returns a pointer
|
||
|
|
// to the internal structure rather than a copy of the address this function should only
|
||
|
|
// be used when you know that the usage of the returned uint8_t* will be transient and not
|
||
|
|
// stored.
|
||
|
|
uint8_t* raw_address()
|
||
|
|
{
|
||
|
|
return _address.bytes;
|
||
|
|
}
|
||
|
|
|
||
|
|
public:
|
||
|
|
// Constructors
|
||
|
|
IPv6Address();
|
||
|
|
IPv6Address(const uint8_t *address);
|
||
|
|
IPv6Address(const uint32_t *address);
|
||
|
|
virtual ~IPv6Address() {}
|
||
|
|
|
||
|
|
bool fromString(const char *address);
|
||
|
|
bool fromString(const String &address) { return fromString(address.c_str()); }
|
||
|
|
|
||
|
|
operator const uint8_t*() const
|
||
|
|
{
|
||
|
|
return _address.bytes;
|
||
|
|
}
|
||
|
|
operator const uint32_t*() const
|
||
|
|
{
|
||
|
|
return _address.dword;
|
||
|
|
}
|
||
|
|
bool operator==(const IPv6Address& addr) const
|
||
|
|
{
|
||
|
|
return (_address.dword[0] == addr._address.dword[0])
|
||
|
|
&& (_address.dword[1] == addr._address.dword[1])
|
||
|
|
&& (_address.dword[2] == addr._address.dword[2])
|
||
|
|
&& (_address.dword[3] == addr._address.dword[3]);
|
||
|
|
}
|
||
|
|
bool operator==(const uint8_t* addr) const;
|
||
|
|
|
||
|
|
// Overloaded index operator to allow getting and setting individual octets of the address
|
||
|
|
uint8_t operator[](int index) const
|
||
|
|
{
|
||
|
|
return _address.bytes[index];
|
||
|
|
}
|
||
|
|
uint8_t& operator[](int index)
|
||
|
|
{
|
||
|
|
return _address.bytes[index];
|
||
|
|
}
|
||
|
|
|
||
|
|
// Overloaded copy operators to allow initialisation of IPv6Address objects from other types
|
||
|
|
IPv6Address& operator=(const uint8_t *address);
|
||
|
|
|
||
|
|
virtual size_t printTo(Print& p) const;
|
||
|
|
String toString() const;
|
||
|
|
|
||
|
|
friend class UDP;
|
||
|
|
friend class Client;
|
||
|
|
friend class Server;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif
|