query

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

Documentation

Overview

Package query provides objects for specifying a query against stenographer.

Index

Constants

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const AFTER = 57357
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const AGO = 57359
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const AND = 57349
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const BEFORE = 57356
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const DURATION = 57364
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const HOST = 57346
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const ICMP = 57355
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const IP = 57362
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const IPP = 57358
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const MASK = 57352
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const MPLS = 57361
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const NET = 57351
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const NUM = 57363
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const OR = 57350
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const PORT = 57347
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const PROTO = 57348
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const TCP = 57353
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const TIME = 57365
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const UDP = 57354
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const VLAN = 57360

Variables

This section is empty.

Functions

This section is empty.

Types

type Query

type Query interface {
	// LookupIn finds the set of packet positions for all packets that match the
	// query from an index file.  Users shouldn't call this directly, and should
	// instead pass the query into BlockFile's Lookup() to get back actual
	// packets.
	LookupIn(context.Context, *indexfile.IndexFile) (base.Positions, error)
	// String returns a human readable string for this query.
	String() string
	// contains filtered or unexported methods
}

Query encodes the set of packets a requester wants to get from stenographer.

func NewQuery

func NewQuery(query string) (Query, error)

NewQuery parses the given query arg and returns a query object. This query can then be passed into a blockfile to get out the set of packets which match it.

Currently, we support one simple method of parsing a query, detailed in the README.md file. Returns an error if the query string is invalid.

Source Files

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