-
Notifications
You must be signed in to change notification settings - Fork 273
/
client.go
175 lines (153 loc) · 5.91 KB
/
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
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
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
/*
* Copyright 2020 The Dragonfly Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
//go:generate mockgen -destination mocks/client_mock.go -source client.go -package mocks
package client
import (
"context"
"time"
grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
grpc_zap "github.com/grpc-ecosystem/go-grpc-middleware/logging/zap"
grpc_retry "github.com/grpc-ecosystem/go-grpc-middleware/retry"
grpc_prometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
"go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
"google.golang.org/grpc"
"google.golang.org/grpc/balancer"
cdnsystemv1 "d7y.io/api/pkg/apis/cdnsystem/v1"
commonv1 "d7y.io/api/pkg/apis/common/v1"
logger "d7y.io/dragonfly/v2/internal/dflog"
pkgbalancer "d7y.io/dragonfly/v2/pkg/balancer"
"d7y.io/dragonfly/v2/pkg/dfnet"
"d7y.io/dragonfly/v2/pkg/resolver"
"d7y.io/dragonfly/v2/pkg/rpc"
"d7y.io/dragonfly/v2/scheduler/config"
)
const (
// maxRetries is maximum number of retries.
maxRetries = 3
// backoffWaitBetween is waiting for a fixed period of
// time between calls in backoff linear.
backoffWaitBetween = 500 * time.Millisecond
// perRetryTimeout is GRPC timeout per call (including initial call) on this call.
perRetryTimeout = 3 * time.Second
)
func GetClientByAddr(ctx context.Context, netAddr dfnet.NetAddr, opts ...grpc.DialOption) (Client, error) {
conn, err := grpc.DialContext(
ctx,
netAddr.Addr,
append([]grpc.DialOption{
grpc.WithUnaryInterceptor(grpc_middleware.ChainUnaryClient(
rpc.ConvertErrorUnaryClientInterceptor,
otelgrpc.UnaryClientInterceptor(),
grpc_prometheus.UnaryClientInterceptor,
grpc_zap.UnaryClientInterceptor(logger.GrpcLogger.Desugar()),
grpc_retry.UnaryClientInterceptor(
grpc_retry.WithPerRetryTimeout(perRetryTimeout),
grpc_retry.WithMax(maxRetries),
grpc_retry.WithBackoff(grpc_retry.BackoffLinear(backoffWaitBetween)),
),
)),
grpc.WithStreamInterceptor(grpc_middleware.ChainStreamClient(
rpc.ConvertErrorStreamClientInterceptor,
otelgrpc.StreamClientInterceptor(),
grpc_prometheus.StreamClientInterceptor,
grpc_zap.StreamClientInterceptor(logger.GrpcLogger.Desugar()),
)),
}, opts...)...,
)
if err != nil {
return nil, err
}
return &client{
cdnsystemv1.NewSeederClient(conn),
}, nil
}
func GetClient(ctx context.Context, dynconfig config.DynconfigInterface, opts ...grpc.DialOption) (Client, error) {
// Register resolver and balancer.
resolver.RegisterSeedPeer(dynconfig)
balancer.Register(pkgbalancer.NewConsistentHashingBuilder())
conn, err := grpc.DialContext(
ctx,
resolver.SeedPeerVirtualTarget,
append([]grpc.DialOption{
grpc.WithDefaultServiceConfig(pkgbalancer.BalancerServiceConfig),
grpc.WithUnaryInterceptor(grpc_middleware.ChainUnaryClient(
rpc.ConvertErrorUnaryClientInterceptor,
otelgrpc.UnaryClientInterceptor(),
grpc_prometheus.UnaryClientInterceptor,
grpc_zap.UnaryClientInterceptor(logger.GrpcLogger.Desugar()),
grpc_retry.UnaryClientInterceptor(
grpc_retry.WithPerRetryTimeout(perRetryTimeout),
grpc_retry.WithMax(maxRetries),
grpc_retry.WithBackoff(grpc_retry.BackoffLinear(backoffWaitBetween)),
),
rpc.RefresherUnaryClientInterceptor(dynconfig),
)),
grpc.WithStreamInterceptor(grpc_middleware.ChainStreamClient(
rpc.ConvertErrorStreamClientInterceptor,
otelgrpc.StreamClientInterceptor(),
grpc_prometheus.StreamClientInterceptor,
grpc_zap.StreamClientInterceptor(logger.GrpcLogger.Desugar()),
rpc.RefresherStreamClientInterceptor(dynconfig),
)),
}, opts...)...,
)
if err != nil {
return nil, err
}
return &client{
cdnsystemv1.NewSeederClient(conn),
}, nil
}
// Client is the interface for grpc client.
type Client interface {
// ObtainSeeds triggers the seed peer to download task back-to-source..
ObtainSeeds(context.Context, *cdnsystemv1.SeedRequest, ...grpc.CallOption) (cdnsystemv1.Seeder_ObtainSeedsClient, error)
// GetPieceTasks gets detail information of task.
GetPieceTasks(context.Context, *commonv1.PieceTaskRequest, ...grpc.CallOption) (*commonv1.PiecePacket, error)
// SyncPieceTasks syncs detail information of task.
SyncPieceTasks(context.Context, *commonv1.PieceTaskRequest, ...grpc.CallOption) (cdnsystemv1.Seeder_SyncPieceTasksClient, error)
}
// client provides seed peer grpc function.
type client struct {
cdnsystemv1.SeederClient
}
// ObtainSeeds triggers the seed peer to download task back-to-source..
func (c *client) ObtainSeeds(ctx context.Context, req *cdnsystemv1.SeedRequest, opts ...grpc.CallOption) (cdnsystemv1.Seeder_ObtainSeedsClient, error) {
return c.SeederClient.ObtainSeeds(
context.WithValue(ctx, pkgbalancer.ContextKey, req.TaskId),
req,
opts...,
)
}
// GetPieceTasks gets detail information of task.
func (c *client) GetPieceTasks(ctx context.Context, req *commonv1.PieceTaskRequest, opts ...grpc.CallOption) (*commonv1.PiecePacket, error) {
return c.SeederClient.GetPieceTasks(
context.WithValue(ctx, pkgbalancer.ContextKey, req.TaskId),
req,
opts...,
)
}
// SyncPieceTasks syncs detail information of task.
func (c *client) SyncPieceTasks(ctx context.Context, req *commonv1.PieceTaskRequest, opts ...grpc.CallOption) (cdnsystemv1.Seeder_SyncPieceTasksClient, error) {
stream, err := c.SeederClient.SyncPieceTasks(
context.WithValue(ctx, pkgbalancer.ContextKey, req.TaskId),
opts...,
)
if err != nil {
return nil, err
}
return stream, stream.Send(req)
}