connchecker

package

v0.0.0-...-eb07c7e Latest Latest Go to latest Published: Jul 19, 2019 License: MIT Imports: 5 Imported by: 0

Details

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Repository

github.com/thrasher-/gocryptotrader

Documentation ¶

Index ¶

Constants
Variables
type Checker
- func New(dnsList, domainList []string, checkInterval time.Duration) (*Checker, error)

Constants ¶

View Source

const (
	DefaultCheckInterval = time.Second

	ConnRe       = "Internet connectivity re-established"
	ConnLost     = "Internet connectivity lost"
	ConnFound    = "Internet connectivity found"
	ConnNotFound = "No internet connectivity"
)

DefaultCheckInterval is a const that defines the amount of time between checking if the connection is lost

Variables ¶

View Source

var (
	DefaultDNSList    = []string{"8.8.8.8", "8.8.4.4", "1.1.1.1", "1.0.0.1"}
	DefaultDomainList = []string{"www.google.com", "www.cloudflare.com", "www.facebook.com"}
)

Default check lists

Functions ¶

This section is empty.

Types ¶

type Checker ¶

type Checker struct {
	DNSList       []string
	DomainList    []string
	CheckInterval time.Duration

	sync.Mutex
	// contains filtered or unexported fields
}

Checker defines a struct to determine connectivity to the interwebs

func New ¶

func New(dnsList, domainList []string, checkInterval time.Duration) (*Checker, error)

New returns a new connection checker, if no values set it will default it out

func (*Checker) CheckDNS ¶

func (c *Checker) CheckDNS(dns string) error

CheckDNS checks current dns for connectivity

func (*Checker) CheckHost ¶

func (c *Checker) CheckHost(host string) error

CheckHost checks current host name for connectivity

func (*Checker) IsConnected ¶

func (c *Checker) IsConnected() bool

IsConnected returns if there is internet connectivity

func (*Checker) Monitor ¶

func (c *Checker) Monitor(wg *sync.WaitGroup)

Monitor determines internet connectivity via a DNS lookup

func (*Checker) Shutdown ¶

func (c *Checker) Shutdown()

Shutdown cleanly shutsdown monitor routine

Source Files ¶

View all Source files

connchecker.go

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