server

package

v0.0.0-...-1d29830 Latest Latest Go to latest Published: Jun 30, 2019 License: MIT Imports: 12 Imported by: 0

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type DnsClient interface {
	Exchange(m *dns.Msg, address string) (*dns.Msg, time.Duration, error)
}

type HttpClient interface {
	Post(url, contentType string, body io.Reader) (resp *http.Response, err error)
}

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

servers is the list of DNS servers that we forward to/ask

func NewServer(cache *cache.Cache, config *config.Config, dnsClient DnsClient, httpClient HttpClient) (*Server, error)

Get a new server ready to start serving

func (s *Server) HandleRequest(dnsWriter dns.ResponseWriter, clientRequest *dns.Msg)

Handle a client request Check if there is a cache record and return it or create it Ask one of the DNS servers if the record is not in the cache

func (s *Server) ListenAndServe() error

Start the server

func (s *Server) Shutdown() error

Shutdown gracefully