Pavel S / UIPEthernet

mbed OS5

Fork of UIPEthernet by Zoltan Hudak

utility/IPAddress.h@9:e55652bed36c, 2017-08-06 (annotated)

Committer:
pilotak
Date:
Sun Aug 06 16:01:26 2017 +0000
Revision:
9:e55652bed36c
Parent:
8:4acb22344932 
mBed OS5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
hudakz 3:5b17e4656dd0 1 /*
hudakz 3:5b17e4656dd0 2 IPAddress.h - Base class that provides IPAddress
hudakz 3:5b17e4656dd0 3 Copyright (c) 2011 Adrian McEwen. All right reserved.
hudakz 3:5b17e4656dd0 4
hudakz 3:5b17e4656dd0 5 Modified (ported to mbed) by Zoltan Hudak <hudakz@inbox.com>
hudakz 3:5b17e4656dd0 6
hudakz 3:5b17e4656dd0 7 This library is free software; you can redistribute it and/or
hudakz 3:5b17e4656dd0 8 modify it under the terms of the GNU Lesser General Public
hudakz 3:5b17e4656dd0 9 License as published by the Free Software Foundation; either
hudakz 3:5b17e4656dd0 10 version 2.1 of the License, or (at your option) any later version.
hudakz 3:5b17e4656dd0 11
hudakz 3:5b17e4656dd0 12 This library is distributed in the hope that it will be useful,
hudakz 3:5b17e4656dd0 13 but WITHOUT ANY WARRANTY; without even the implied warranty of
hudakz 3:5b17e4656dd0 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
hudakz 3:5b17e4656dd0 15 Lesser General Public License for more details.
hudakz 3:5b17e4656dd0 16
hudakz 3:5b17e4656dd0 17 You should have received a copy of the GNU Lesser General Public
hudakz 3:5b17e4656dd0 18 License along with this library; if not, write to the Free Software
hudakz 3:5b17e4656dd0 19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
hudakz 3:5b17e4656dd0 20 */
hudakz 8:4acb22344932 21 #ifndef IPADDRESS_H
hudakz 8:4acb22344932 22 #define IPADDRESS_H
hudakz 3:5b17e4656dd0 23
hudakz 8:4acb22344932 24 #include <stdint.h>
hudakz 3:5b17e4656dd0 25
hudakz 3:5b17e4656dd0 26 // A class to make it easier to handle and pass around IP addresses
hudakz 3:5b17e4656dd0 27
hudakz 3:5b17e4656dd0 28 class IPAddress
hudakz 3:5b17e4656dd0 29 {
hudakz 3:5b17e4656dd0 30 private:
hudakz 3:5b17e4656dd0 31 uint8_t _address[4]; // IPv4 address
hudakz 3:5b17e4656dd0 32
hudakz 3:5b17e4656dd0 33 // Access the raw byte array containing the address. Because this returns a pointer
hudakz 3:5b17e4656dd0 34 // to the internal structure rather than a copy of the address this function should only
hudakz 3:5b17e4656dd0 35 // be used when you know that the usage of the returned uint8_t* will be transient and not
hudakz 3:5b17e4656dd0 36
hudakz 3:5b17e4656dd0 37 // stored.
hudakz 3:5b17e4656dd0 38 uint8_t* raw_address(void) { return _address; };
hudakz 3:5b17e4656dd0 39 public:
hudakz 3:5b17e4656dd0 40 // Constructors
hudakz 3:5b17e4656dd0 41 IPAddress(void);
hudakz 3:5b17e4656dd0 42 IPAddress(uint8_t first_octet, uint8_t second_octet, uint8_t third_octet, uint8_t fourth_octet);
hudakz 3:5b17e4656dd0 43 IPAddress(uint32_t address);
hudakz 3:5b17e4656dd0 44 IPAddress(const uint8_t* address);
hudakz 3:5b17e4656dd0 45
hudakz 3:5b17e4656dd0 46 // Overloaded cast operator to allow IPAddress objects to be used where a pointer
hudakz 3:5b17e4656dd0 47 // to a four-byte uint8_t array is expected
hudakz 3:5b17e4656dd0 48 operator uint32_t(void) const { return *((uint32_t*)_address); };
hudakz 3:5b17e4656dd0 49 bool operator==(const IPAddress& addr) const { return(*((uint32_t*)_address)) == (*((uint32_t*)addr._address)); };
hudakz 3:5b17e4656dd0 50 bool operator==(const uint8_t* addr) const;
hudakz 3:5b17e4656dd0 51
hudakz 3:5b17e4656dd0 52 // Overloaded index operator to allow getting and setting individual octets of the address
hudakz 3:5b17e4656dd0 53 uint8_t operator[](int index) const { return _address[index]; };
hudakz 3:5b17e4656dd0 54 uint8_t &operator[](int index) { return _address[index]; };
hudakz 3:5b17e4656dd0 55
hudakz 3:5b17e4656dd0 56 // Overloaded copy operators to allow initialisation of IPAddress objects from other types
hudakz 3:5b17e4656dd0 57 IPAddress &operator =(const uint8_t* address);
hudakz 3:5b17e4656dd0 58 IPAddress &operator =(uint32_t address);
hudakz 3:5b17e4656dd0 59
hudakz 8:4acb22344932 60 // Returns IP Address as string of char
hudakz 8:4acb22344932 61 char* toString(void) {
hudakz 8:4acb22344932 62 static char buff[16];
hudakz 8:4acb22344932 63 uint8_t i = 0;
hudakz 8:4acb22344932 64 uint8_t j = 0;
hudakz 8:4acb22344932 65
hudakz 8:4acb22344932 66 for (i = 0; i < 3; i++) {
hudakz 8:4acb22344932 67 j += sprintf(&buff[j], "%d", _address[i]);
hudakz 8:4acb22344932 68 buff[j++] = '.';
hudakz 8:4acb22344932 69 }
hudakz 8:4acb22344932 70
hudakz 8:4acb22344932 71 j += sprintf(&buff[j], "%d", _address[i]);
hudakz 8:4acb22344932 72 buff[j] = '\0';
hudakz 8:4acb22344932 73 return buff;
hudakz 8:4acb22344932 74 }
hudakz 8:4acb22344932 75
hudakz 3:5b17e4656dd0 76 // virtual size_t printTo(Print& p) const;
hudakz 3:5b17e4656dd0 77 friend class EthernetClass;
hudakz 3:5b17e4656dd0 78 friend class UDP;
hudakz 3:5b17e4656dd0 79 friend class Client;
hudakz 3:5b17e4656dd0 80 friend class Server;
hudakz 3:5b17e4656dd0 81 friend class DhcpClass;
hudakz 3:5b17e4656dd0 82 friend class DNSClient;
hudakz 3:5b17e4656dd0 83 };
hudakz 3:5b17e4656dd0 84
hudakz 3:5b17e4656dd0 85 const IPAddress INADDR_NONE(0, 0, 0, 0);
hudakz 3:5b17e4656dd0 86 #endif