blockfile

package
Version: v0.0.0-...-88424db Latest Latest
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Published: Mar 11, 2015 License: Apache-2.0 Imports: 14 Imported by: 0

Documentation

Overview

Package blockfile provides methods for reading packets from blockfiles generated by stenotype.

Index

Constants

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Variables

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Functions

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Types

type BlockFile

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

BlockFile provides an interface to a single stenotype file on disk and its associated index.

func NewBlockFile

func NewBlockFile(filename string) (*BlockFile, error)

NewBlockFile opens up a named block file (and its index), returning a handle which can be used to look up packets.

func (*BlockFile) AllPackets

func (b *BlockFile) AllPackets() *base.PacketChan

AllPackets returns a packet channel to which all packets in the blockfile are sent.

func (*BlockFile) Close

func (b *BlockFile) Close() (err error)

Close cleans up this blockfile.

func (*BlockFile) DumpIndex

func (b *BlockFile) DumpIndex(out io.Writer, start, finish []byte)

DumpIndex dumps out a "human-readable" debug version of the blockfile's index to the given writer.

func (*BlockFile) Lookup

func (b *BlockFile) Lookup(ctx context.Context, q query.Query, out *base.PacketChan)

Lookup returns all packets in the blockfile matched by the passed-in query.

func (*BlockFile) Name

func (b *BlockFile) Name() string

Name returns the name of the file underlying this blockfile.

func (*BlockFile) Positions

func (b *BlockFile) Positions(ctx context.Context, q query.Query) (base.Positions, error)

Positions returns the positions in the blockfile of all packets matched by the passed-in query.

Source Files

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