-
Notifications
You must be signed in to change notification settings - Fork 0
/
server_helper.go
70 lines (55 loc) · 1.21 KB
/
server_helper.go
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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
package servicetoolset
import (
"context"
"os"
"os/signal"
"sync"
"syscall"
"github.com/sgostarter/i/l"
)
func SignalContext(ctx context.Context, logger l.Wrapper) context.Context {
if logger == nil {
logger = l.NewNopLoggerWrapper()
}
ctx, cancel := context.WithCancel(ctx)
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
go func() {
logger.Info("listening for shutdown signal")
<-sigs
logger.Info("shutdown signal received")
signal.Stop(sigs)
close(sigs)
cancel()
}()
return ctx
}
type AbstractServer interface {
Run(ctx context.Context) error
}
type ServerHelper struct {
ctx context.Context
wg sync.WaitGroup
logger l.Wrapper
}
func NewServerHelper(ctx context.Context, logger l.Wrapper) *ServerHelper {
if logger == nil {
logger = l.NewNopLoggerWrapper()
}
return &ServerHelper{
ctx: SignalContext(ctx, logger),
logger: logger.WithFields(l.StringField(l.ClsKey, "ServerHelper")),
}
}
func (sh *ServerHelper) StartServer(s AbstractServer) {
sh.wg.Add(1)
go func() {
defer sh.wg.Done()
if err := s.Run(sh.ctx); err != nil {
sh.logger.Fatalf("runServer error:%v", err)
}
}()
}
func (sh *ServerHelper) Wait() {
sh.wg.Wait()
}