Diff: utility/IPAddress.h

Revision:

3:5b17e4656dd0

Child:

8:4acb22344932

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/utility/IPAddress.h	Sat Dec 20 11:10:40 2014 +0000
@@ -0,0 +1,73 @@
+/*
+  IPAddress.h - Base class that provides IPAddress
+  Copyright (c) 2011 Adrian McEwen.  All right reserved.
+
+  Modified (ported to mbed) by Zoltan Hudak <hudakz@inbox.com>
+
+  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 <stdint.h>
+
+//#include <Printable.h>
+
+// A class to make it easier to handle and pass around IP addresses
+
+//class IPAddress : public Printable {
+class   IPAddress
+{
+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(void)   { return _address; };
+public:
+    // Constructors
+    IPAddress(void);
+    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(void) const    { return *((uint32_t*)_address); };
+    bool operator==(const IPAddress& addr) const { return(*((uint32_t*)_address)) == (*((uint32_t*)addr._address)); };
+    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[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