File: logline.go

package info (click to toggle)
mtail 3.2.24-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 7,384 kB
  • sloc: yacc: 647; makefile: 226; sh: 78; lisp: 77; awk: 17
file content (30 lines) | stat: -rw-r--r-- 849 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
// Copyright 2017 Google Inc. All Rights Reserved.
// This file is available under the Apache license.

package logline

import (
	"context"
	"crypto/sha256"
	"encoding/binary"
)

// LogLine contains all the information about a line just read from a log.
type LogLine struct {
	Context context.Context

	Filename     string // The log filename that this line was read from
	Filenamehash uint32 // stored for efficient key lookup
	Line         string // The text of the log line itself up to the newline.
}

// New creates a new LogLine object.
func New(ctx context.Context, filename string, filenamehash uint32, line string) *LogLine {
	return &LogLine{ctx, filename, filenamehash, line}
}

// External as unit tests need it
func GetHash(filename string) uint32 {
	hash := sha256.Sum256([]byte(filename))
	return binary.BigEndian.Uint32(hash[:8])
}