record

package

v2.24.1-v2-2 Latest Latest Go to latest Published: Feb 10, 2021 License: Apache-2.0 Imports: 6 Imported by: 0

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Repository

github.com/DeviaVir/prometheus

Documentation ¶

Constants ¶

This section is empty.

Variables ¶

View Source

var (
	// ErrNotFound is returned if a looked up resource was not found. Duplicate ErrNotFound from head.go.
	ErrNotFound = errors.New("not found")
)

Functions ¶

This section is empty.

Types ¶

type Decoder ¶

type Decoder struct {
}

Decoder decodes series, sample, and tombstone records. The zero value is ready to use.

func (*Decoder) Samples ¶

func (d *Decoder) Samples(rec []byte, samples []RefSample) ([]RefSample, error)

Samples appends samples in rec to the given slice.

func (*Decoder) Series ¶

func (d *Decoder) Series(rec []byte, series []RefSeries) ([]RefSeries, error)

Series appends series in rec to the given slice.

func (*Decoder) Tombstones ¶

func (d *Decoder) Tombstones(rec []byte, tstones []tombstones.Stone) ([]tombstones.Stone, error)

Tombstones appends tombstones in rec to the given slice.

func (*Decoder) Type ¶

func (d *Decoder) Type(rec []byte) Type

Type returns the type of the record. Returns RecordUnknown if no valid record type is found.

type Encoder ¶

type Encoder struct {
}

Encoder encodes series, sample, and tombstones records. The zero value is ready to use.

func (*Encoder) Samples ¶

func (e *Encoder) Samples(samples []RefSample, b []byte) []byte

Samples appends the encoded samples to b and returns the resulting slice.

func (*Encoder) Series ¶

func (e *Encoder) Series(series []RefSeries, b []byte) []byte

Series appends the encoded series to b and returns the resulting slice.

func (*Encoder) Tombstones ¶

func (e *Encoder) Tombstones(tstones []tombstones.Stone, b []byte) []byte

Tombstones appends the encoded tombstones to b and returns the resulting slice.

type RefSample ¶

type RefSample struct {
	Ref uint64
	T   int64
	V   float64
}

RefSample is a timestamp/value pair associated with a reference to a series.

type RefSeries ¶

type RefSeries struct {
	Ref    uint64
	Labels labels.Labels
}

RefSeries is the series labels with the series ID.

type Type ¶

type Type uint8

Type represents the data type of a record.

const (
	// Unknown is returned for unrecognised WAL record types.
	Unknown Type = 255
	// Series is used to match WAL records of type Series.
	Series Type = 1
	// Samples is used to match WAL records of type Samples.
	Samples Type = 2
	// Tombstones is used to match WAL records of type Tombstones.
	Tombstones Type = 3
)

Source Files ¶

View all Source files

record.go

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