ohrad

package module

v0.0.0-...-2e1f6b8 Latest Latest Go to latest Published: Mar 27, 2017 License: MIT Imports: 10 Imported by: 0

Details

Valid go.mod file

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Repository

github.com/bertinatto/ohrad

Links

Open Source Insights

README ¶

ohrad

ohrad is a prototype for a NTP server that is highly influenced by OpenNTPD.

Documentation ¶

Index ¶

Constants
Variables
func HandleSignals(cleanup func() error)
func SendNtpMsg(conn *net.UDPConn, clientAddr *net.UDPAddr, msg *NtpMsg)
type ErrorTimeout
- func (e *ErrorTimeout) Error() string
type Logger
- func (w *Logger) NtpMsg(msg *NtpMsg)
type NtpLong
type NtpMsg
- func GetNtpMsg(conn *net.UDPConn) (*NtpMsg, *net.UDPAddr, error)
- func NewMsg(buf []byte) *NtpMsg
- func (m *NtpMsg) Bytes() []byte
type NtpShort
type Server
- func NewServer() *Server
- func (srv *Server) ListenAndServe() error
- func (srv *Server) Shutdown() error

Constants ¶

View Source

const (
	NtpMsgSize     int = 48 // no auth
	Jan1970            = 2208988800
	NanosPerSecond     = 1000 * 1000 * 1000
)

View Source

const (
	VersionMask = 7 << 3
	ModeMask    = 7 << 0
	ModeServer  = 4
	ModeClient  = 3
	ModeSymAct  = 1 // Symmetric active
	ModeSymPas  = 2 // Symmetric passive
)

Variables ¶

View Source

var Log = new(Logger)

Functions ¶

func HandleSignals ¶

func HandleSignals(cleanup func() error)

func SendNtpMsg ¶

func SendNtpMsg(conn *net.UDPConn, clientAddr *net.UDPAddr, msg *NtpMsg)

Types ¶

type ErrorTimeout ¶

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

func (*ErrorTimeout) Error ¶

func (e *ErrorTimeout) Error() string

type Logger ¶

type Logger struct {
	*syslog.Writer
}

func (*Logger) NtpMsg ¶

func (w *Logger) NtpMsg(msg *NtpMsg)

type NtpLong ¶

type NtpLong struct {
	IntParl   uint32
	Fractionl uint32
}

type NtpMsg ¶

type NtpMsg struct {
	Status     uint8
	Stratum    uint8
	Ppoll      uint8
	Precision  int8
	Rootdelay  NtpShort
	Dispersion NtpShort
	Refid      uint32
	Reftime    NtpLong
	Orgtime    NtpLong
	Rectime    NtpLong
	Xmttime    NtpLong
}

func GetNtpMsg ¶

func GetNtpMsg(conn *net.UDPConn) (*NtpMsg, *net.UDPAddr, error)

func NewMsg ¶

func NewMsg(buf []byte) *NtpMsg

func (*NtpMsg) Bytes ¶

func (m *NtpMsg) Bytes() []byte

type NtpShort ¶

type NtpShort struct {
	IntParts  uint16
	Fractions uint16
}

type Server ¶

type Server struct {
	Addr        string
	ReadTimeout int32
	// contains filtered or unexported fields
}

func NewServer ¶

func NewServer() *Server

func (*Server) ListenAndServe ¶

func (srv *Server) ListenAndServe() error

func (*Server) Shutdown ¶

func (srv *Server) Shutdown() error

Source Files ¶

View all Source files

Directories ¶

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