diff options
author | Cristian Maglie <c.maglie@bug.st> | 2013-05-29 18:30:36 +0200 |
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committer | Cristian Maglie <c.maglie@bug.st> | 2013-05-29 18:30:36 +0200 |
commit | d90fcca5839d13d57ed527d4009b78d22dafbde7 (patch) | |
tree | 768b98af21e5075846184dd3de41ae0c22e75e20 /cores/robot/IPAddress.h | |
parent | 7207108255a772474b322151cb0fd113e8030afe (diff) | |
parent | ef4e8c65373f531ce6d37ff226a21fc9b358ff29 (diff) |
Merged 1.0.5
Diffstat (limited to 'cores/robot/IPAddress.h')
-rw-r--r-- | cores/robot/IPAddress.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/cores/robot/IPAddress.h b/cores/robot/IPAddress.h new file mode 100644 index 0000000..2585aec --- /dev/null +++ b/cores/robot/IPAddress.h @@ -0,0 +1,76 @@ +/* + * + * MIT License: + * Copyright (c) 2011 Adrian McEwen + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + * adrianm@mcqn.com 1/1/2011 + */ + +#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 |