Fork for fixes
Diff: DnsClient.h
- Revision:
- 9:a156d3de5647
- Child:
- 20:8d5738a6646e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DnsClient.h Tue Aug 27 15:01:10 2019 +0000 @@ -0,0 +1,39 @@ +// 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 "UdpSocket.h" +#include "IpAddress.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; + UdpSocket iUdp; +}; +#endif