Dwm::Dns::NameServer Class Reference

Encapsulates a DNS name server, from the perspective of a DNS client. More...

#include <DwmDnsNameServer.hh>

Public Types
typedef std::tuple< sa_family_t, const struct sockaddr *, socklen_t >	AddrInfo

Public Member Functions
	NameServer (const struct in_addr &addr)
	Constructs a name server whose IPv4 address is addr.
	NameServer (const struct in6_addr &addr)
	Constructs a name server whose IPv6 address is addr.
	NameServer (const std::string &addr)
	Constructs a name server whose IP address is addr. More...
	NameServer (const NameServer &)=default
	Copy constructor.
NameServer &	operator= (const NameServer &)=default
	Copy operator.
	~NameServer ()
	Destructor.
AddrInfo	Address () const
	Returns the address of the name server.
bool	SendMessage (const Message &message)
	Sends the given message to the name server via UDP. More...
bool	WriteMessage (const Message &message)
	Sends the given message to the name server via TCP. More...
bool	ReceiveMessage (Message &message)
	Receives a message from the name server via UDP. More...
bool	ReadMessage (Message &message)
	Reads a message from the name server via TCP. More...
bool	AnswerWaiting (const struct timeval &timeout) const
	Returns true if there is a UDP message ready to be read via ReceiveMessage(). More...

Detailed Description

Encapsulates a DNS name server, from the perspective of a DNS client.

Constructor & Destructor Documentation

NameServer()

Dwm::Dns::NameServer::NameServer

(

const std::string &

addr

)

Constructs a name server whose IP address is addr.

addr may be an IPv4 or IPv6 address. Throws std::invalid_argument if addr is not a valid IPv4 or IPv6 address.

Member Function Documentation

AnswerWaiting()

bool Dwm::Dns::NameServer::AnswerWaiting

(

const struct timeval &

timeout

)

const

Returns true if there is a UDP message ready to be read via ReceiveMessage().

timeout is the time to wait for a message to be ready.

ReadMessage()

bool Dwm::Dns::NameServer::ReadMessage

(

Message &

message

)

Reads a message from the name server via TCP.

Returns true on success, false on failure.

ReceiveMessage()

bool Dwm::Dns::NameServer::ReceiveMessage

(

Message &

message

)

Receives a message from the name server via UDP.

Returns true on success, false on failure.

SendMessage()

bool Dwm::Dns::NameServer::SendMessage

(

const Message &

message

)

Sends the given message to the name server via UDP.

Returns true on success, false on failure.

WriteMessage()

bool Dwm::Dns::NameServer::WriteMessage

(

const Message &

message

)

Sends the given message to the name server via TCP.

Returns true on success, false on failure.

---

The documentation for this class was generated from the following file:

• DwmDnsNameServer.hh