/
daemon.go
63 lines (55 loc) · 1.21 KB
/
daemon.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
package blobcachecmd
import (
"context"
"net"
"github.com/blobcache/blobcache/pkg/bcgrpc"
"github.com/blobcache/blobcache/pkg/blobcache"
"github.com/sirupsen/logrus"
"golang.org/x/sync/errgroup"
"google.golang.org/grpc"
)
type DaemonParams struct {
NodeParams blobcache.Params
APIAddr string
Logger *logrus.Logger
}
type Daemon struct {
params DaemonParams
node *blobcache.Node
log *logrus.Logger
}
func NewDaemon(params DaemonParams) *Daemon {
node := blobcache.NewNode(params.NodeParams)
return &Daemon{
params: params,
node: node,
log: params.Logger,
}
}
func (d *Daemon) Run(ctx context.Context) error {
d.log.Infof("ROOT HANDLE: %s", d.node.Root().String())
group := errgroup.Group{}
group.Go(func() error {
return d.runAPI(ctx)
})
return group.Wait()
}
func (d *Daemon) runAPI(ctx context.Context) error {
l, err := net.Listen("tcp", d.params.APIAddr)
if err != nil {
return err
}
gs := grpc.NewServer()
bcgrpc.RegisterBlobcacheServer(gs, bcgrpc.NewServer(d.node))
eg, ctx := errgroup.WithContext(ctx)
eg.Go(func() error {
d.log.Infof("serving API on %v", l.Addr())
return gs.Serve(l)
})
eg.Go(func() error {
<-ctx.Done()
gs.Stop()
return nil
})
return eg.Wait()
}