wp

qb.go

@@ -0,0 +1,88 @@
+package qb
+
+import (
+	"fmt"
+	"os"
+)
+
+type MetricType byte
+type GroupBy byte
+
+const (
+	Cumulative    MetricType = 1
+	Instant       MetricType = 2
+	MaxFracDigits byte       = 7
+
+	GroupByHour  GroupBy = 1
+	GroupByDay   GroupBy = 2
+	GroupByMonth GroupBy = 3
+
+	AggregateMin byte = 1
+	AggregateMax byte = 2
+	AggregateAvg byte = 4
+)
+
+type TimestampCompressor interface {
+	CalcRequiredSpace(uint32) int
+	Append(uint32)
+	Size() int
+	DeleteLast()
+	//LastTimestamp() uint32
+}
+
+type ValueCompressor interface {
+	CalcRequiredSpace(float64) int
+	Append(float64)
+	Size() int
+	DeleteLast()
+	//LastValue() float64
+}
+
+type TimestampDecompressor interface {
+	NextValue() (uint32, bool)
+}
+
+type ValueDecompressor interface {
+	NextValue() (float64, bool)
+}
+
+type AbortCode int
+
+const (
+	// Fatal errors
+	WrongPrevPageNo               AbortCode = 1
+	WriteToAtreeFailed            AbortCode = 2
+	MaxAtreeSizeExceeded          AbortCode = 3
+	FailedWriteToTxLog            AbortCode = 4
+	ReferenceCountBug             AbortCode = 5
+	WrongResultCodeBug            AbortCode = 6
+	RemoveREDOFileFailed          AbortCode = 7
+	FailedAtreeRequest            AbortCode = 8
+	UnknownTxLogRecordTypeBug     AbortCode = 11
+	HasTimestampNoValueBug        AbortCode = 12
+	NoMetricBug                   AbortCode = 13
+	NoLockEntryBug                AbortCode = 14
+	NoXLockBug                    AbortCode = 15
+	MetricAddedBug                AbortCode = 16
+	NoRLockBug                    AbortCode = 17
+	XLockBug                      AbortCode = 18
+	FailedFreeListSerialize       AbortCode = 19
+	UnknownWorkerQueueItemBug     AbortCode = 20
+	UnknownMetricWaitQueueItemBug AbortCode = 21
+	//
+	GetRecoveryRecipeFailed      AbortCode = 26
+	LoadSnapshotFailed           AbortCode = 27
+	ReplayChangesFailed          AbortCode = 28
+	CreateChangesWriterFailed    AbortCode = 29
+	RemoveRecipeFileFailed       AbortCode = 30
+	DumpSnapshotFailed           AbortCode = 31
+	SearchREDOFilesFailed        AbortCode = 32
+	ReplayREDOFileFailed         AbortCode = 33
+	DeletePrevChangesFileFailed  AbortCode = 34
+	DeletePrevSnapshotFileFailed AbortCode = 35
+)
+
+func Abort(code AbortCode, err error) {
+	fmt.Println(err)
+	os.Exit(int(code))
+}