/
server.go
85 lines (70 loc) · 2.28 KB
/
server.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
// Code generated by thriftrw-plugin-yarpc
// @generated
package weatherserver
import (
context "context"
wire "go.uber.org/thriftrw/wire"
transport "go.uber.org/yarpc/api/transport"
thrift "go.uber.org/yarpc/encoding/thrift"
weather "go.uber.org/yarpc/encoding/thrift/thriftrw-plugin-yarpc/internal/tests/weather"
yarpcerrors "go.uber.org/yarpc/yarpcerrors"
)
// Interface is the server-side interface for the Weather service.
type Interface interface {
Check(
ctx context.Context,
) (string, error)
}
// New prepares an implementation of the Weather service for
// registration.
//
// handler := WeatherHandler{}
// dispatcher.Register(weatherserver.New(handler))
func New(impl Interface, opts ...thrift.RegisterOption) []transport.Procedure {
h := handler{impl}
service := thrift.Service{
Name: "Weather",
Methods: []thrift.Method{
thrift.Method{
Name: "check",
HandlerSpec: thrift.HandlerSpec{
Type: transport.Unary,
Unary: thrift.UnaryHandler(h.Check),
},
Signature: "Check() (string)",
ThriftModule: weather.ThriftModule,
},
},
}
procedures := make([]transport.Procedure, 0, 1)
procedures = append(procedures, thrift.BuildProcedures(service, opts...)...)
return procedures
}
type handler struct{ impl Interface }
type yarpcErrorNamer interface{ YARPCErrorName() string }
type yarpcErrorCoder interface{ YARPCErrorCode() *yarpcerrors.Code }
func (h handler) Check(ctx context.Context, body wire.Value) (thrift.Response, error) {
var args weather.Weather_Check_Args
if err := args.FromWire(body); err != nil {
return thrift.Response{}, yarpcerrors.InvalidArgumentErrorf(
"could not decode Thrift request for service 'Weather' procedure 'Check': %w", err)
}
success, appErr := h.impl.Check(ctx)
hadError := appErr != nil
result, err := weather.Weather_Check_Helper.WrapResponse(success, appErr)
var response thrift.Response
if err == nil {
response.IsApplicationError = hadError
response.Body = result
if namer, ok := appErr.(yarpcErrorNamer); ok {
response.ApplicationErrorName = namer.YARPCErrorName()
}
if extractor, ok := appErr.(yarpcErrorCoder); ok {
response.ApplicationErrorCode = extractor.YARPCErrorCode()
}
if appErr != nil {
response.ApplicationErrorDetails = appErr.Error()
}
}
return response, err
}