145 lines
3.5 KiB
Go
145 lines
3.5 KiB
Go
package qb
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import (
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"fmt"
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"io"
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"os"
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)
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type MetricType byte
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type GroupBy byte
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const (
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Cumulative MetricType = 1
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Instant MetricType = 2
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MaxFracDigits byte = 7
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GroupByHour GroupBy = 1
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GroupByDay GroupBy = 2
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GroupByMonth GroupBy = 3
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AggregateMin byte = 1
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AggregateMax byte = 2
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AggregateAvg byte = 4
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)
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type TimestampCompressor interface {
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// (tmp, timestamp)
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Evaluate([]byte, uint32) TimeEvaluationReport
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// (offset, change, timestamp)
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Append(int, []byte, uint32)
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Size() int
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//Chunks() [][]byte
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//DeleteLast()
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CaptureState() TimeDeltaCapturedState
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CreateDecompressor() TimestampDecompressor
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//Payload() []byte // для снапшота
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// Offset() int
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Rotate([]byte)
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WritePayloadTo(io.Writer, *TimeDeltaCapturedState) error
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LastTimestamp() uint32
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ReplaceSinceWithUntil() uint32
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}
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type TimeDeltaCapturedState struct {
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H byte
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LastUnixtime uint32
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LastDelta uint32
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Payload []byte
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}
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type TimeEvaluationReport struct {
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TotalSpace int
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Offset int
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ChangeSize int
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}
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type ValueCompressor interface {
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// (tmp, value)
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Evaluate([]byte, float64) ValueEvaluationReport
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// (offset, change, value, delta)
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Append(int, []byte, float64, uint64)
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Size() int
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//Chunks() [][]byte
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//DeleteLast()
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CaptureState() ValueDeltaCapturedState
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// fracDigits
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CreateDecompressor() ValueDecompressor
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//Payload() []byte // для снапшота
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//Offset() int
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Rotate([]byte)
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WritePayloadTo(io.Writer, *ValueDeltaCapturedState) error
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LastValue() float64
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}
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type ValueDeltaCapturedState struct {
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H byte
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LastDelta uint64
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Payload []byte
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}
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type ValueEvaluationReport struct {
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TotalSpace int
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Offset int
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ChangeSize int
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Delta uint64
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}
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type TimestampDecompressor interface {
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NextValue() (uint32, bool)
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}
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type ValueDecompressor interface {
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NextValue() (float64, bool)
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}
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type AbortCode int
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const (
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// Fatal errors
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WrongPrevPageNo AbortCode = 1
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WriteToAtreeFailed AbortCode = 2
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MaxAtreeSizeExceeded AbortCode = 3
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FailedWriteToTxLog AbortCode = 4
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ReferenceCountBug AbortCode = 5
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WrongResultCodeBug AbortCode = 6
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RemoveREDOFileFailed AbortCode = 7
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FailedAtreeRequest AbortCode = 8
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FailedGetPageNumber AbortCode = 9
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UnknownTxLogRecordTypeBug AbortCode = 11
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HasTimestampNoValueBug AbortCode = 12
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NoMetricBug AbortCode = 13
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NoLockEntryBug AbortCode = 14
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NoXLockBug AbortCode = 15
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MetricAddedBug AbortCode = 16
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NoRLockBug AbortCode = 17
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XLockBug AbortCode = 18
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FailedFreeListSerialize AbortCode = 19
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UnknownWorkerQueueItemBug AbortCode = 20
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UnknownMetricWaitQueueItemBug AbortCode = 21
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RepeatableLock AbortCode = 22
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NoSpaceOnIndexPage AbortCode = 23
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WriteSnapshotFailed AbortCode = 24
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//
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GetRecoveryRecipeFailed AbortCode = 26
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LoadSnapshotFailed AbortCode = 27
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ReplayChangesFailed AbortCode = 28
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CreateChangesWriterFailed AbortCode = 29
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RemoveRecipeFileFailed AbortCode = 30
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DumpSnapshotFailed AbortCode = 31
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SearchREDOFilesFailed AbortCode = 32
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ReplayREDOFileFailed AbortCode = 33
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DeletePrevChangesFileFailed AbortCode = 34
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DeletePrevSnapshotFileFailed AbortCode = 35
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MetricNotFoundDuringReplay AbortCode = 36
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WALReplayFailed AbortCode = 37
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)
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func Abort(code AbortCode, err error) {
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fmt.Println(err)
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os.Exit(int(code))
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}
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