server

package

v2.13.2+incompatible Latest Latest Go to latest Published: Jan 4, 2017 License: MIT Imports: 15 Imported by: 0

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const (
	DefaultTTL       = uint32(3600)
	CleanupInterval  = time.Second * 120
	CleanupThreshold = 512
)

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const (
	QueryTimeout = time.Second * 8
)

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type ARecord struct {
	IPs    []net.IP
	Expire time.Time
}

type CacheServer struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

func NewCacheServer(space app.Space, config *dns.Config) *CacheServer

func (v *CacheServer) Get(domain string) []net.IP

func (v *CacheServer) GetCached(domain string) []net.IP

Private: Visible for testing.

type CacheServerFactory struct{}

func (v CacheServerFactory) AppId() app.ID

func (v CacheServerFactory) Create(space app.Space, config interface{}) (app.Application, error)

type DomainRecord struct {
	A *ARecord
}

type LocalNameServer struct {
}

func (v *LocalNameServer) QueryA(domain string) <-chan *ARecord

type NameServer interface {
	QueryA(domain string) <-chan *ARecord
}

type PendingRequest struct {
	// contains filtered or unexported fields
}

type UDPNameServer struct {
	sync.Mutex
	// contains filtered or unexported fields
}

func NewUDPNameServer(address v2net.Destination, dispatcher dispatcher.PacketDispatcher) *UDPNameServer

func (v *UDPNameServer) AssignUnusedID(response chan<- *ARecord) uint16

Private: Visible for testing.

func (v *UDPNameServer) BuildQueryA(domain string, id uint16) *buf.Buffer

func (v *UDPNameServer) Cleanup()

Private: Visible for testing.

func (v *UDPNameServer) DispatchQuery(payload *buf.Buffer)

func (v *UDPNameServer) HandleResponse(dest v2net.Destination, payload *buf.Buffer)

Private: Visible for testing.

func (v *UDPNameServer) QueryA(domain string) <-chan *ARecord