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Diffstat (limited to 'dev/arduino-terminal/ext/arduino/core/IPAddress.h')
-rw-r--r-- | dev/arduino-terminal/ext/arduino/core/IPAddress.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/dev/arduino-terminal/ext/arduino/core/IPAddress.h b/dev/arduino-terminal/ext/arduino/core/IPAddress.h new file mode 100644 index 0000000..c2dd7e5 --- /dev/null +++ b/dev/arduino-terminal/ext/arduino/core/IPAddress.h @@ -0,0 +1,70 @@ +/* + IPAddress.h - Base class that provides IPAddress + 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 IPAddress_h +#define IPAddress_h + +#include <Printable.h> + +// A class to make it easier to handle and pass around IP addresses + +class IPAddress : public Printable { +private: + uint8_t _address[4]; // IPv4 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; }; + +public: + // Constructors + IPAddress(); + IPAddress(uint8_t first_octet, uint8_t second_octet, uint8_t third_octet, uint8_t fourth_octet); + IPAddress(uint32_t address); + IPAddress(const uint8_t *address); + + // Overloaded cast operator to allow IPAddress objects to be used where a pointer + // to a four-byte uint8_t array is expected + operator uint32_t() { return *((uint32_t*)_address); }; + bool operator==(const IPAddress& addr) { return (*((uint32_t*)_address)) == (*((uint32_t*)addr._address)); }; + bool operator==(const uint8_t* addr); + + // Overloaded index operator to allow getting and setting individual octets of the address + uint8_t operator[](int index) const { return _address[index]; }; + uint8_t& operator[](int index) { return _address[index]; }; + + // Overloaded copy operators to allow initialisation of IPAddress objects from other types + IPAddress& operator=(const uint8_t *address); + IPAddress& operator=(uint32_t address); + + virtual size_t printTo(Print& p) const; + + friend class EthernetClass; + friend class UDP; + friend class Client; + friend class Server; + friend class DhcpClass; + friend class DNSClient; +}; + +const IPAddress INADDR_NONE(0,0,0,0); + + +#endif |