dns

Documentation

Index

• type Parallel
  • func NewParallel(resolvers ...ResolverInterface) Parallel
  • func (p Parallel) LookupIPAddr(ctx context.Context, host string) ([]net.IPAddr, error)
• type Resolver
  • func NewResolver(dnsServer string) *Resolver
  • func (r *Resolver) LookupIPAddr(ctx context.Context, host string) ([]net.IPAddr, error)
• type ResolverInterface

Types

type Parallel

type Parallel []ResolverInterface

func NewParallel

func NewParallel(resolvers ...ResolverInterface) Parallel

NewParallel return parallel resolver

func (Parallel) LookupIPAddr

func (p Parallel) LookupIPAddr(ctx context.Context, host string) ([]net.IPAddr, error)

LookupIPAddr return ip addresses of host, used underly resolvers in parallel If any of resolvers return ips - return sum array of the ips (may duplicated) If all resolvers return error - return any of they errors

type Resolver

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

Resolve IPs for A and AAAA records of domains it use direct dns query without cache

func NewResolver

func NewResolver(dnsServer string) *Resolver

NewResolver return direct dns resolver

func (*Resolver) LookupIPAddr

func (r *Resolver) LookupIPAddr(ctx context.Context, host string) ([]net.IPAddr, error)

type ResolverInterface

type ResolverInterface interface {
	// LookupIPAddr return ip addresses of domain. It MUST finish work when context canceled
	LookupIPAddr(ctx context.Context, host string) ([]net.IPAddr, error)
}