godns

package module

v0.0.0-...-cec878f Latest Latest Go to latest Published: Oct 27, 2015 License: BSD-3-Clause Imports: 8 Imported by: 0

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Repository

github.com/linkosmos/godns

Links

Open Source Insights

README ¶

godns

Fast DNS resolving with cache wraps miekg/dns

Deprecated in favor of: https://github.com/linkosmos/redial

Documentation ¶

Index ¶

Constants
Variables
type Pool
- func New() *Pool
- func (p *Pool) Get(hostport string) (*net.TCPAddr, error)
- func (p *Pool) ResolveName(name, nameserver string) (addrs []net.IP, dur time.Duration, err error)
type TCPMap

Constants ¶

View Source

const DefaultNameServer = "8.8.8.8:53"

DefaultNameServer - Google

Variables ¶

View Source

var ErrEmptyIPS = errors.New("No IP's for a given hostport")

ErrEmptyIPS - no IP's were found for given hostport

Functions ¶

This section is empty.

Types ¶

type Pool ¶

type Pool struct {
	NameServer string
	Randomize  bool

	Timeout, StepTimeout, RetryWait time.Duration
	// contains filtered or unexported fields
}

Pool - for caching DNS records and easy retrieval

func New ¶

func New() *Pool

New - returns new dns records pool

func (*Pool) Get ¶

func (p *Pool) Get(hostport string) (*net.TCPAddr, error)

Get - retuns first or random IP assigned to hostport

func (*Pool) ResolveName ¶

func (p *Pool) ResolveName(name, nameserver string) (addrs []net.IP, dur time.Duration, err error)

ResolveName - resolves name for given host and returns array of IP's

type TCPMap ¶

type TCPMap map[string][]*net.TCPAddr

TCPMap - map of host+port and resolved IP's, added some syntactic sugar and convenience methods

func (*TCPMap) Add ¶

func (t *TCPMap) Add(hostport string, ip net.IP, port int)

Add -

func (*TCPMap) BulkAdd ¶

func (t *TCPMap) BulkAdd(hostport string, ips []net.IP, port int)

BulkAdd - convenience method to iterate array of IP's and Add them

func (*TCPMap) Exist ¶

func (t *TCPMap) Exist(hostport string) bool

Exist - checks whether hostport exist

func (*TCPMap) Get ¶

func (t *TCPMap) Get(hostport string, randomize bool) (*net.TCPAddr, error)

Get - returns random IP address if more than 1

func (*TCPMap) Len ¶

func (t *TCPMap) Len(hostport string) int

Len - returns size of IP addresses for hostport

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
Godeps
_workspace/src/github.com/golang/glog Package glog implements logging analogous to the Google-internal C++ INFO/ERROR/V setup.	Package glog implements logging analogous to the Google-internal C++ INFO/ERROR/V setup.
_workspace/src/github.com/miekg/dns Package dns implements a full featured interface to the Domain Name System.	Package dns implements a full featured interface to the Domain Name System.
_workspace/src/github.com/miekg/dns/idn Package idn implements encoding from and to punycode as speficied by RFC 3492.	Package idn implements encoding from and to punycode as speficied by RFC 3492.

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