UIPEthernet library for Arduino IDE, Eclipse with arduino plugin and MBED/SMeshStudio (AVR,STM32F,ESP8266,Intel ARC32,Nordic nRF51,Teensy boards,Realtek Ameba(RTL8195A,RTL8710)), ENC28j60 network chip. Compatible with Wiznet W5100 Ethernet library API. Compiled and tested on Nucleo-F302R8. Master repository is: https://github.com/UIPEthernet/UIPEthernet/

Dns.h

Committer:
cassyarduino
Date:
2018-01-23
Revision:
39:deeb00b81cc9
Parent:
33:7ba5d53df0f2

File content as of revision 39:deeb00b81cc9:

// Arduino DNS client for Enc28J60-based Ethernet shield
// (c) Copyright 2009-2010 MCQN Ltd.
// Released under Apache License, version 2.0

#ifndef DNSClient_h
#define DNSClient_h

#include "utility/uipopt.h"
#if UIP_UDP
#include "UIPUdp.h"

class DNSClient
{
public:
    // ctor
    void begin(const IPAddress& aDNSServer);

    /** Convert a numeric IP address string into a four-byte IP address.
        @param aIPAddrString IP address to convert
        @param aResult IPAddress structure to store the returned IP address
        @result 1 if aIPAddrString was successfully converted to an IP address,
                else error code
    */
    int inet_aton(const char *aIPAddrString, IPAddress& aResult);

    /** Resolve the given hostname to an IP address.
        @param aHostname Name to be resolved
        @param aResult IPAddress structure to store the returned IP address
        @result 1 if aIPAddrString was successfully converted to an IP address,
                else error code
    */
    int getHostByName(const char* aHostname, IPAddress& aResult);

protected:
    uint16_t BuildRequest(const char* aName);
    int16_t ProcessResponse(uint16_t aTimeout, IPAddress& aAddress);

    IPAddress iDNSServer;
    uint16_t iRequestId;
    UIPUDP iUdp;
};
#endif

#endif