summaryrefslogtreecommitdiff
path: root/internal/client/client.go
blob: 76a61f020361b21e2a992377743d8c8e167efc8a (plain)
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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
package client

import (
	"context"
	"log"
	"time"

	"codeberg.org/snonux/gorum/internal/config"
)

func Start(ctx context.Context, conf config.Config, winnerCh <-chan string) {
	go func() {
		for {
			log.Println("Starting client")
			start(ctx, conf, winnerCh)

			select {
			case <-time.After(time.Second):
			case <-ctx.Done():
				return
			}
		}
	}()
}

func start(ctx context.Context, conf config.Config, winnerCh <-chan string) {
	fanOut := make([]chan string, len(conf.Participants))

	for i := 0; i < len(fanOut); i++ {
		fanOut[i] = make(chan string, 1)
	}

	go func() {
		defer func() {
			for _, ch := range fanOut {
				close(ch)
			}
		}()

		for {
			select {
			case winner := <-winnerCh:
				for _, ch := range fanOut {
					select {
					case <-ch:
					default:
					}
					ch <- winner
				}
			case <-ctx.Done():
				return
			}
		}
	}()
}