forked from apache/arrow
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathserver_example_test.go
More file actions
80 lines (68 loc) · 2.44 KB
/
Copy pathserver_example_test.go
File metadata and controls
80 lines (68 loc) · 2.44 KB
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
// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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.
package flight_test
import (
"context"
"fmt"
"net"
"github.com/apache/arrow/go/v12/arrow/flight"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials/insecure"
"google.golang.org/grpc/health"
healthgrpc "google.golang.org/grpc/health/grpc_health_v1"
)
func ExampleRegisterFlightServiceServer() {
s := grpc.NewServer()
healthSrv := health.NewServer()
healthgrpc.RegisterHealthServer(s, healthSrv)
// add methods to this to override the desired methods
// like DoGet, DoPut, etc.
server := struct {
flight.BaseFlightServer
}{}
flight.RegisterFlightServiceServer(s, &server)
healthSrv.SetServingStatus("test", healthgrpc.HealthCheckResponse_SERVING)
lis, err := net.Listen("tcp", "localhost:0")
if err != nil {
panic(err)
}
go s.Serve(lis)
defer s.Stop()
conn, err := grpc.DialContext(context.Background(), lis.Addr().String(),
grpc.WithTransportCredentials(insecure.NewCredentials()))
if err != nil {
panic(err)
}
defer conn.Close()
hc := healthgrpc.NewHealthClient(conn)
rsp, err := hc.Check(context.Background(), &healthgrpc.HealthCheckRequest{Service: "test"})
if err != nil {
panic(err)
}
fmt.Println(rsp.Status)
fc := flight.NewClientFromConn(conn, nil)
if err != nil {
panic(err)
}
// we didn't implement GetFlightInfo so we should get an Unimplemented
// error, proving it did call into the base flight server. If we didn't
// register the service, we'd get an error that says "unknown service arrow.flight.protocol.FlightService"
_, err = fc.GetFlightInfo(context.Background(), &flight.FlightDescriptor{})
fmt.Println(err)
// Output:
// SERVING
// rpc error: code = Unimplemented desc = method GetFlightInfo not implemented
}