pool

package

v0.10.0 Latest Latest Go to latest Published: Mar 3, 2026 License: Apache-2.0 Imports: 7 Imported by: 2

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type Pool struct {
	Conns    types.Conn
	Selector types.Selector
	// contains filtered or unexported fields
}

Pool is a managed pool of DNS nameservers.

func New(qps int, sel types.Selector, conns types.Conn, logger *log.Logger) *Pool

New initializes a DNS nameserver pool.

func (r *Pool) Exchange(ctx context.Context, msg *dns.Msg) (*dns.Msg, error)

Exchange sends the DNS message and returns the response message.

func (r *Pool) Query(ctx context.Context, msg *dns.Msg, ch chan *dns.Msg)

Query sends the DNS message and returns the response on the provided channel.

func (r *Pool) QueryChan(ctx context.Context, msg *dns.Msg) chan *dns.Msg

QueryChan sends the provided DNS message and the response is provided on the returned channel. The channel is buffered to prevent blocking.

func (r *Pool) Stop()

Stop will release resources use by the pool.