Add ArduinoCompat

src/ArduinoCompat/Client.h

@@ -0,0 +1,45 @@
+/*
+  Client.h - Base class that provides Client
+  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 client_h
+#define client_h
+#include "Print.h"
+#include "Stream.h"
+#include "ArduinoCompat/IPAddress.h"
+
+class Client : public Stream {
+
+public:
+  virtual int connect(IPAddress ip, uint16_t port) =0;
+  virtual int connect(const char *host, uint16_t port) =0;
+  virtual size_t write(uint8_t) =0;
+  virtual size_t write(const uint8_t *buf, size_t size) =0;
+  virtual int available() = 0;
+  virtual int read() = 0;
+  virtual int read(uint8_t *buf, size_t size) = 0;
+  virtual int peek() = 0;
+  virtual void flush() = 0;
+  virtual void stop() = 0;
+  virtual uint8_t connected() = 0;
+  virtual operator bool() = 0;
+protected:
+  uint8_t* rawIPAddress(IPAddress& addr) { return addr.raw_address(); };
+};
+
+#endif

src/ArduinoCompat/IPAddress.h

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+/*
+  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 <stdint.h>
+#include "Printable.h"
+#include "WString.h"
+
+// A class to make it easier to handle and pass around IP addresses
+
+class IPAddress : public Printable {
+private:
+    union {
+	uint8_t bytes[4];  // IPv4 address
+	uint32_t dword;
+    } _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.bytes; };
+
+public:
+    // Constructors
+    IPAddress() {
+        _address.dword = 0;
+    }
+    IPAddress(uint8_t first_octet, uint8_t second_octet, uint8_t third_octet, uint8_t fourth_octet) {
+        _address.bytes[0] = first_octet;
+        _address.bytes[1] = second_octet;
+        _address.bytes[2] = third_octet;
+        _address.bytes[3] = fourth_octet;
+    }
+
+    IPAddress(uint32_t address) {
+        _address.dword = address;
+    }
+    IPAddress(const uint8_t *address) {
+        memcpy(_address.bytes, address, sizeof(_address.bytes));
+    }
+
+    bool fromString(const char *address) {
+        uint16_t acc = 0; // Accumulator
+        uint8_t dots = 0;
+
+        while (*address)
+        {
+            char c = *address++;
+            if (c >= '0' && c <= '9')
+            {
+                acc = acc * 10 + (c - '0');
+                if (acc > 255) {
+                    // Value out of [0..255] range
+                    return false;
+                }
+            }
+            else if (c == '.')
+            {
+                if (dots == 3) {
+                    // Too much dots (there must be 3 dots)
+                    return false;
+                }
+                _address.bytes[dots++] = acc;
+                acc = 0;
+            }
+            else
+            {
+                // Invalid char
+                return false;
+            }
+        }
+
+        if (dots != 3) {
+            // Too few dots (there must be 3 dots)
+            return false;
+        }
+        _address.bytes[3] = acc;
+        return true;
+    }
+
+    bool fromString(const String &address) { return fromString(address.c_str()); }
+
+    // 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() const { return _address.dword; };
+    bool operator==(const IPAddress& addr) const { return _address.dword == addr._address.dword; };
+    bool operator==(const uint8_t* addr) const {
+        return memcmp(addr, _address.bytes, sizeof(_address.bytes)) == 0;
+    }
+
+    // Overloaded index operator to allow getting and setting individual octets of the address
+    uint8_t operator[](int index) const { return _address.bytes[index]; };
+    uint8_t& operator[](int index) { return _address.bytes[index]; };
+
+    // Overloaded copy operators to allow initialisation of IPAddress objects from other types
+    IPAddress& operator=(const uint8_t *address) {
+        memcpy(_address.bytes, address, sizeof(_address.bytes));
+        return *this;
+    }
+    IPAddress& operator=(uint32_t address) {
+        _address.dword = address;
+        return *this;
+    }
+
+    virtual size_t printTo(Print& p) const {
+        size_t n = 0;
+        for (int i =0; i < 3; i++)
+        {
+            n += p.print(_address.bytes[i], DEC);
+            n += p.print('.');
+        }
+        n += p.print(_address.bytes[3], DEC);
+        return n;
+    }
+
+
+    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