Published at gocon 2018 spring

1. Go
Katsuya Kawabe
2018/4/15( ) @ GoCon 2018 Spring
1

2. 2
•Name :=
•Twitter := @KKawabe108
•GitHub := @Bo0km4n
✦
- M1
- 3-shake ( )
✦
- 3-shake DMP go
- 8086 go

3. LT
3
1. LT
2.
3.
4.
5.

4. 4
Go
OSS
Go
Go
…

5. 5

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Web URL
html

7. 7
URL

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HTML
Web
html, javascript, css, img
※ html
…

10. 10
<a href="hoge/fuga.html">
<img src="img/gocon.png">
<script src="https://gocon/src.js"></script>
<link rel="stylesheet" type="text/css" href="gocon.css">
<a href="/Users/gocon/hoge/fuga.html">
<img src="/Users/gocon/img/gocon.png">
<script src="/Users/gocon/src.js"></script>
<link rel="stylesheet" type="text/css" href="/Users/gocon.css">
Replace
FQDN

11. 11

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$ go run main.go -root https://golang.org/doc/ -depth 2
Root (Depth 0)
Depth 1
Depth 2
root html
https://golang.org/doc

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cpus := runtime.NumCPU()
runtime.GOMAXPROCS(cpus)
c := make(chan bool, cpus)
for i := 0; i < ; i++ {
var wg sync.WaitGroup
for _, p := range web {
c <- true
wg.Add(1)
go func(p Page) {
defer func() { <-c }()
//
wg.Done()
}(p)
}
wg.Wait()
}
goroutine
※ go func()
※ goroutine
panic

15. • Go ( , )
• ( )
• (goroutine )
•
15

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Go binary
Goroutine
Goroutine
Goroutine
Web Page Web Page
Web Page
HTML
Img
Css
JS
HTML
Img
Css
JS HTML
Img
Css
JS
Download
Download
Download

18. • https://github.com/Bo0km4n/avarus
• 600 ( )
•
•
18

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Have a good Golang life!!!
Thank you for listening.