DNSClient Class Reference

Public Member Functions
void	begin (const IPAddress &aDNSServer)
int	inet_aton (const char *aIPAddrString, IPAddress &aResult)
int	getHostByName (const char *aHostname, IPAddress &aResult)

Protected Member Functions
uint16_t	BuildRequest (const char *aName)
uint16_t	ProcessResponse (uint16_t aTimeout, IPAddress &aAddress)

Protected Attributes
IPAddress	iDNSServer
uint16_t	iRequestId
EthernetUDP	iUdp

Member Function Documentation

void DNSClient::begin

(

const IPAddress &

aDNSServer

)

uint16_t DNSClient::BuildRequest ( const char *  aName )

protected

int DNSClient::getHostByName	(	const char *	aHostname,
		IPAddress &	aResult
	)

Resolve the given hostname to an IP address.

Parameters

aHostname	Name to be resolved
aResult	IPAddress structure to store the returned IP address

Returns

1 if aIPAddrString was successfully converted to an IP address, else error code

int DNSClient::inet_aton	(	const char *	aIPAddrString,
		IPAddress &	aResult
	)

Convert a numeric IP address string into a four-byte IP address.

Parameters

aIPAddrString	IP address to convert
aResult	IPAddress structure to store the returned IP address

Returns

1 if aIPAddrString was successfully converted to an IP address, else error code

uint16_t DNSClient::ProcessResponse ( uint16_t  aTimeout, IPAddress &  aAddress  )

protected

Member Data Documentation

IPAddress DNSClient::iDNSServer

protected

uint16_t DNSClient::iRequestId

protected

EthernetUDP DNSClient::iUdp

protected