/
client.go
60 lines (52 loc) · 1.31 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
package sabuhp
import (
"time"
"github.com/influx6/npkg/nerror"
"github.com/influx6/npkg/njson"
"github.com/influx6/npkg/nunsafe"
)
// Codec embodies implementation for the serialization of
// a message into bytes and vice-versa.
type Codec interface {
Encode(msg Message) ([]byte, error)
Decode(b []byte) (Message, error)
}
type Client interface {
Send(data []byte, timeout time.Duration) error
}
type CodecWriter struct {
Client Client
Codec Codec
Logger Logger
}
func NewCodecWriter(client Client, codec Codec, logger Logger) *CodecWriter {
return &CodecWriter{
Client: client,
Codec: codec,
Logger: logger,
}
}
func (c *CodecWriter) Send(msg Message, timeout time.Duration) error {
var encoded, encodeErr = c.Codec.Encode(msg)
if encodeErr != nil {
var wrappedErr = nerror.WrapOnly(encodeErr)
njson.Log(c.Logger).New().
LError().
Message("encoding message").
String("error", wrappedErr.Error()).
Object("data", msg).
End()
return wrappedErr
}
if sendErr := c.Client.Send(encoded, timeout); sendErr != nil {
var wrappedErr = nerror.WrapOnly(encodeErr)
njson.Log(c.Logger).New().
LError().
Message("failed to send encoded message message").
String("encoded", nunsafe.Bytes2String(encoded)).
String("error", wrappedErr.Error()).
End()
return wrappedErr
}
return nil
}