Diff: IpAddress.h

Revision:

9:a156d3de5647

Child:

11:647d53d146f1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/IpAddress.h	Tue Aug 27 15:01:10 2019 +0000
@@ -0,0 +1,72 @@
+/*
+  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 <stdio.h>
+
+// A class to make it easier to handle and pass around IP addresses
+
+class   IpAddress
+{
+private:
+    uint8_t _address[4];    // IPv4 address
+
+public:
+    // Constructors
+    IpAddress(void);
+    IpAddress(uint8_t octet1, uint8_t octet2, uint8_t octet3, uint8_t octet4);
+    IpAddress(uint32_t address);
+    IpAddress(const uint8_t address[4]);
+
+    // 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 =(uint32_t address);
+
+    // Returns IP Address as string of char
+    const char* toString(char* buf);
+
+    // 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*    rawAddress(void)   { return _address; }
+
+    //    virtual size_t printTo(Print& p) const;
+    friend class UIPEthernet;
+    friend class UdpSocket;
+    friend class TcpClient;
+    friend class TcpServer;
+    friend class DhcpClient;
+    friend class DnsClient;
+};
+
+const IpAddress INADDR_NONE(0, 0, 0, 0);
+#endif