summaryrefslogtreecommitdiff
path: root/internal/client/tcpclient.go
blob: a94bf89f6c4326d3e6e8df1c2ba12498d1f1aa8a (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
package client

import (
	"context"
	"fmt"
	"log"
	"net"

	"codeberg.org/snonux/gorum/internal/iorw"
	"codeberg.org/snonux/gorum/internal/vote"
)

func tcpClientRun(ctx context.Context, address string, ch <-chan vote.Vote) error {
	conn, err := net.Dial("tcp", address)
	if err != nil {
		return err
	}
	defer conn.Close()

	for {
		votes, ok := <-ch
		if !ok {
			return fmt.Errorf("channel closed - breaking tcpClientRun loop")
		}

		message, err := votes.ToJSON()
		if err != nil {
			return err
		}

		log.Println("tcpclient: sending", message, "to address", address)
		if err := iorw.WriteStr(conn, message); err != nil {
			return err
		}

		response, err := iorw.ReadStr(conn)
		if err != nil {
			return err
		}

		log.Println("tcpclient: received", response, "from address", address)
	}
}