/
remote_bridge.go
158 lines (120 loc) · 3.33 KB
/
remote_bridge.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
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
package bertybridge
import (
"context"
"sync"
"time"
"github.com/pkg/errors"
"go.uber.org/zap"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
berty_grpcutil "berty.tech/berty/v2/go/internal/grpcutil"
bridge_svc "berty.tech/berty/v2/go/pkg/bertybridge"
"berty.tech/berty/v2/go/pkg/errcode"
"berty.tech/weshnet/pkg/grpcutil"
"berty.tech/weshnet/pkg/logutil"
)
type RemoteBridge struct {
serviceBridge bridge_svc.Service
grpcServer *grpc.Server
logger *zap.Logger
mutex sync.Mutex
ServiceClient
}
type RemoteBridgeConfig struct{}
func NewRemoteBridgeConfig() *RemoteBridgeConfig {
return &RemoteBridgeConfig{}
}
func NewRemoteBridge(address string, config *RemoteBridgeConfig) (*RemoteBridge, error) {
if address == "" {
return nil, errcode.ErrInvalidInput
}
ctx := context.Background()
// create bridge instance
b := &RemoteBridge{}
// setup logger
{
b.logger = logutil.NewNativeLogger("bertybridge")
// @NOTE(gfanton): replace grpc logger as soon as possible to avoid DATA_RACE
logutil.ReplaceGRPCLogger(b.logger.Named("grpc"))
b.logger.Debug("starting Bridge")
}
// setup native bridge client
{
opts := &bridge_svc.Options{
Logger: b.logger,
}
b.serviceBridge = bridge_svc.NewService(opts)
b.grpcServer = grpc.NewServer()
bridge_svc.RegisterBridgeServiceServer(b.grpcServer, b.serviceBridge)
bl := grpcutil.NewBufListener(bufListenerSize)
go func() {
if err := b.grpcServer.Serve(bl); err != nil {
b.logger.Debug("Remote bridge GRPC server failed", zap.Error(err))
}
}()
// create native bridge client
ccBridge, err := bl.NewClientConn(ctx)
if err != nil {
return nil, errors.Wrap(err, "unable to get bridge gRPC ClientConn")
}
b.ServiceClient = NewServiceClient(berty_grpcutil.NewLazyClient(ccBridge))
}
// setup account client
{
ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
defer cancel()
opts := []grpc.DialOption{
grpc.WithBlock(),
grpc.WithTransportCredentials(insecure.NewCredentials()),
}
client, err := grpc.DialContext(ctx, address, opts...)
if err != nil {
return nil, err
}
b.serviceBridge.RegisterService("berty.account.v1.AccountService", client)
}
return b, nil
}
func (b *RemoteBridge) ConnectService(serviceName string, address string) error {
b.logger.Debug("connectService", zap.String("serviceName", serviceName), zap.String("address", address))
if serviceName == "" {
return errors.New("empty serviceName")
}
if address == "" {
return errors.New("empty address")
}
if b.serviceBridge == nil {
return errcode.ErrBridgeNotRunning
}
ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
defer cancel()
opts := []grpc.DialOption{
grpc.WithBlock(),
grpc.WithTransportCredentials(insecure.NewCredentials()),
}
client, err := grpc.DialContext(ctx, address, opts...)
if err != nil {
return err
}
b.serviceBridge.RegisterService(serviceName, client)
return nil
}
func (b *RemoteBridge) Close() error {
b.logger.Info("Bridge.Close called")
b.mutex.Lock()
defer b.mutex.Unlock()
var err error
if b.grpcServer != nil {
b.grpcServer.Stop()
b.grpcServer = nil
} else {
err = errcode.ErrBridgeNotRunning
}
if b.serviceBridge != nil {
b.serviceBridge.Close()
b.serviceBridge = nil
} else {
err = errcode.ErrBridgeNotRunning
}
return err
}