DnsQuestion Class Reference

DNS question object. More...

List of all members.

Public Member Functions
	DnsQuestion ()
	constructor
	DnsQuestion (const DnsQuestion &q)
	copy constructor
DnsQuestion &	operator= (const DnsQuestion &q)
	assignment
	DnsQuestion (domainname QNAME, u_int16 QTYPE, u_int16 QCLASS=CLASS_IN)
	constructor
	~DnsQuestion ()
	destructor
Public Attributes
domainname	QNAME
	query domain name
u_int16	QTYPE
	query type
u_int16	QCLASS
	query class

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Detailed Description

DNS question object.

This object holds a DNS question object - an entry in the question section of a DNS message.

Definition at line 124 of file dnsmessage.h.

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Constructor & Destructor Documentation

DnsQuestion::DnsQuestion (   )

constructor This is the default constructor.

DnsQuestion::DnsQuestion (  const DnsQuestion &  q  )

copy constructor This constructor copies the given question. Parameters: q  Question to copy

DnsQuestion::DnsQuestion (  domainname  QNAME, u_int16  QTYPE, u_int16  QCLASS = CLASS_IN )

constructor This constructor takes values for the various fields of the question structure. Parameters: QNAME  Domain name to query QTYPE  Type to query QCLASS  Class the data is in (or CLASS_IN if none specified)

DnsQuestion::~DnsQuestion (   )

destructor Frees data associated with the object.

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Member Function Documentation

DnsQuestion& DnsQuestion::operator= (  const DnsQuestion &  q  )

assignment This is the assignment operator. It works in the same way as the copy constructor.

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Member Data Documentation

u_int16 DnsQuestion::QCLASS

query class The class to query. This is mainly historical, the only class that is used nowadays is CLASS_IN (the internet). Other values as CLASS_HS for Hesiod, CLASS_CH for chaos, and CLASS_CS for CSNET. The QCLASS_ANY constant means you don't care what class, but this is usually not supported. The list of constants can be found in the dnsdefs.h header. Definition at line 189 of file dnsmessage.h.

domainname DnsQuestion::QNAME

query domain name Domain name to query for. Definition at line 170 of file dnsmessage.h.

u_int16 DnsQuestion::QTYPE

query type The type of data to query for. This can be a RR type constant (for example, DNS_TYPE_A), or a QTYPE_* constant (for example, QTYPE_ANY). These constants can be found in the dnsdefs.h header. Definition at line 179 of file dnsmessage.h.

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

• poslib/dnsmessage.h

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