-
Notifications
You must be signed in to change notification settings - Fork 43
/
service_client.go
93 lines (73 loc) · 2.42 KB
/
service_client.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
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
package serviceclient
import (
"encoding/json"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"code.cloudfoundry.org/bbs/models"
"code.cloudfoundry.org/lager/v3"
locketmodels "code.cloudfoundry.org/locket/models"
"golang.org/x/net/context"
)
const BBSLockSchemaKey = "bbs_lock"
//go:generate counterfeiter -generate
//counterfeiter:generate . ServiceClient
type ServiceClient interface {
CellById(logger lager.Logger, cellId string) (*models.CellPresence, error)
Cells(logger lager.Logger) (models.CellSet, error)
CellEvents(logger lager.Logger) <-chan models.CellEvent
}
type serviceClient struct {
locketClient locketmodels.LocketClient
}
func NewServiceClient(locketClient locketmodels.LocketClient) *serviceClient {
return &serviceClient{
locketClient: locketClient,
}
}
func (s *serviceClient) Cells(logger lager.Logger) (models.CellSet, error) {
logger = logger.Session("cells")
var cellSet = models.CellSet{}
resp, err := s.locketClient.FetchAll(context.Background(), &locketmodels.FetchAllRequest{Type: locketmodels.PresenceType, TypeCode: locketmodels.PRESENCE})
if err != nil {
logger.Error("failed-to-fetch-cells-from-locket", err)
return nil, err
}
for _, resource := range resp.Resources {
presence, err := presenceFromResource(resource)
if err != nil {
logger.Error("failed-to-unmarshal-presence", err)
continue
}
cellSet.Add(presence)
}
return cellSet, nil
}
func (s *serviceClient) CellById(logger lager.Logger, cellId string) (*models.CellPresence, error) {
logger = logger.Session("cell-by-id", lager.Data{"cell-id": cellId})
var presence *models.CellPresence
resp, locketErr := s.locketClient.Fetch(context.Background(), &locketmodels.FetchRequest{
Key: cellId,
})
if locketErr != nil {
logger.Error("failed-to-fetch-presence-from-locket", locketErr)
if status.Code(locketErr) == codes.NotFound {
return nil, models.ErrResourceNotFound
}
return nil, locketErr
}
var err error
presence, err = presenceFromResource(resp.Resource)
if err != nil {
logger.Error("failed-to-unmarshal-presence", err)
return nil, err
}
return presence, nil
}
func (s *serviceClient) CellEvents(logger lager.Logger) <-chan models.CellEvent {
return nil
}
func presenceFromResource(resource *locketmodels.Resource) (*models.CellPresence, error) {
cellPresence := &models.CellPresence{}
err := json.Unmarshal([]byte(resource.Value), cellPresence)
return cellPresence, err
}