mdns

package

v0.0.8 Latest Latest Go to latest Published: Sep 25, 2023 License: Apache-2.0 Imports: 7 Imported by: 0

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Repository

github.com/carvel-dev/kwt

Links

Open Source Insights

README ¶

mDNS on OS X

Useful commands:

syslog shows Apple System Logs (asl)
scutil --dns shows current DNS configuration

Snippet of discoveryd logs

$ curl -vvv test.local

$ syslog -k Time ge "Sep 13 12:25:27"
Sep 13 12:25:27 idora discoveryd[20637] <Notice>: Intermediate ClientIPC DNSServiceQueryRecord: ID 418 flags=0x15000, interface=0, name=test.local, rrtype=A, rrclass=1 (curl(21264))
Sep 13 12:25:27 idora discoveryd[20637] <Notice>: Detailed Sockets UDS FD=42 SendReturnStatus=0 bytecnt=4 errno=0
Sep 13 12:25:27 idora discoveryd[20637] <Notice>: Detailed ClientIPC Connection 202 closing error return socket FD=42
Sep 13 12:25:27 idora discoveryd[20637] <Notice>: Detailed Sockets UDS FD=42 close
Sep 13 12:25:27 idora discoveryd[20637] <Notice>: Detailed Sockets UDS FD=41 Recv bytecnt=53 errno=0
Sep 13 12:25:27 idora discoveryd[20637] <Notice>: Detailed Sockets UDS FD=41 Recv bytecnt=1 errno=0
Sep 13 12:25:27 idora discoveryd[20637] <Notice>: Intermediate Bonjour set up question for test.local
Sep 13 12:25:27 idora discoveryd[20637] <Notice>: Detailed Sockets UDS FD=42 ErrorReturnSocket
Sep 13 12:25:27 idora discoveryd[20637] <Notice>: Detailed ClientIPC Request 202-301 Add event 0x0 en0 : test.local A Record 127.0.0.1, class IN, TTL 65
Sep 13 12:25:27 idora discoveryd[20637] <Notice>: Detailed Sockets curl(21264) UDS FD=42
Sep 13 12:25:27 idora discoveryd[20637] <Notice>: Intermediate ClientIPC DNSServiceQueryRecord: ID 419 flags=0x15000, interface=0, name=test.local, rrtype=AAAA, rrclass=1 (curl(21264))
...
Sep 13 12:25:27 idora discoveryd[20637] <Notice>: Intermediate Bonjour set up question for test.local
Sep 13 12:25:32 idora discoveryd[20637] <Notice>: Detailed Bonjour timeout Q 418 with flag

Documentation ¶

Index ¶

Constants
type CustomHandler
- func NewCustomHandler(ipResolver IPResolver, logger Logger) CustomHandler
- func (d CustomHandler) ServeDNS(responseWriter dns.ResponseWriter, msg *dns.Msg)
type Factory
- func NewFactory() Factory
- func (f Factory) Build(ipResolver IPResolver, logger Logger) *Server
type IPResolver
type LocalIfaceMsgFilter
- func NewLocalIfaceMsgFilter(logger Logger) *LocalIfaceMsgFilter
- func (f *LocalIfaceMsgFilter) AcceptMsg(msg *dns.Msg, srcAddr net.Addr) bool
- func (f *LocalIfaceMsgFilter) UpdateIfacesContiniously()
type Logger
type MsgFilter
type RespWriter
type Server
- func NewServer(handler dns.Handler, filter MsgFilter, logger Logger) *Server
- func (s *Server) Serve(startedCh chan struct{}) error
- func (s *Server) Shutdown() error

Constants ¶

View Source

const Domain = "local."

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type CustomHandler ¶

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

func NewCustomHandler ¶

func NewCustomHandler(ipResolver IPResolver, logger Logger) CustomHandler

func (CustomHandler) ServeDNS ¶

func (d CustomHandler) ServeDNS(responseWriter dns.ResponseWriter, msg *dns.Msg)

type Factory ¶

type Factory struct{}

func NewFactory ¶

func NewFactory() Factory

func (Factory) Build ¶

func (f Factory) Build(ipResolver IPResolver, logger Logger) *Server

type IPResolver ¶

type IPResolver interface {
	ResolveIPv4(string) ([]net.IP, bool, error)
	ResolveIPv6(string) ([]net.IP, bool, error)
}

type LocalIfaceMsgFilter ¶

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

func NewLocalIfaceMsgFilter ¶

func NewLocalIfaceMsgFilter(logger Logger) *LocalIfaceMsgFilter

func (*LocalIfaceMsgFilter) AcceptMsg ¶

func (f *LocalIfaceMsgFilter) AcceptMsg(msg *dns.Msg, srcAddr net.Addr) bool

func (*LocalIfaceMsgFilter) UpdateIfacesContiniously ¶

func (f *LocalIfaceMsgFilter) UpdateIfacesContiniously()

type Logger ¶

type Logger interface {
	Error(tag, msg string, args ...interface{})
	Info(tag, msg string, args ...interface{})
	Debug(tag, msg string, args ...interface{})
}

type MsgFilter ¶

type MsgFilter interface {
	AcceptMsg(*dns.Msg, net.Addr) bool
}

type RespWriter ¶

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

func (RespWriter) Close ¶

func (w RespWriter) Close() error

func (RespWriter) Hijack ¶

func (w RespWriter) Hijack()

func (RespWriter) LocalAddr ¶

func (w RespWriter) LocalAddr() net.Addr

func (RespWriter) RemoteAddr ¶

func (w RespWriter) RemoteAddr() net.Addr

func (RespWriter) TsigStatus ¶

func (w RespWriter) TsigStatus() error

func (RespWriter) TsigTimersOnly ¶

func (w RespWriter) TsigTimersOnly(bool)

func (RespWriter) Write ¶

func (w RespWriter) Write([]byte) (int, error)

func (RespWriter) WriteMsg ¶

func (w RespWriter) WriteMsg(msg *dns.Msg) error

type Server ¶

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

func NewServer ¶

func NewServer(handler dns.Handler, filter MsgFilter, logger Logger) *Server

func (*Server) Serve ¶

func (s *Server) Serve(startedCh chan struct{}) error

func (*Server) Shutdown ¶

func (s *Server) Shutdown() error

Source Files ¶

View all Source files

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