123
DnsClient.h
- Committer:
- advxolltm
- Date:
- 2022-06-06
- Revision:
- 19:543c2d21e510
- Parent:
- 18:8d5738a6646e
File content as of revision 19:543c2d21e510:
// 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(time_t aTimeout, IpAddress& aAddress); IpAddress iDNSServer; uint16_t iRequestId; UdpSocket iUdp; }; #endif