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ntp_manager_types.go
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/
ntp_manager_types.go
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package engine
import (
"errors"
"time"
)
const (
defaultNTPCheckInterval = time.Second * 30
defaultRetryLimit = 3
// NTPManagerName is an exported subsystem name
NTPManagerName = "ntp_timekeeper"
)
var (
errNilNTPConfigValues = errors.New("nil allowed time differences received")
errNTPManagerDisabled = errors.New("NTP manager disabled")
)
// ntpManager starts the NTP manager
type ntpManager struct {
started int32
shutdown chan struct{}
level int64
allowedDifference time.Duration
allowedNegativeDifference time.Duration
pools []string
checkInterval time.Duration
retryLimit int
loggingEnabled bool
}
type ntpPacket struct {
Settings uint8 // leap yr indicator, ver number, and mode
Stratum uint8 // stratum of local clock
Poll int8 // poll exponent
Precision int8 // precision exponent
RootDelay uint32 // root delay
RootDispersion uint32 // root dispersion
ReferenceID uint32 // reference id
RefTimeSec uint32 // reference timestamp sec
RefTimeFrac uint32 // reference timestamp fractional
OrigTimeSec uint32 // origin time secs
OrigTimeFrac uint32 // origin time fractional
RxTimeSec uint32 // receive time secs
RxTimeFrac uint32 // receive time frac
TxTimeSec uint32 // transmit time secs
TxTimeFrac uint32 // transmit time frac
}