generated from goexl/template
-
Notifications
You must be signed in to change notification settings - Fork 0
/
handle.go
85 lines (72 loc) · 2.18 KB
/
handle.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
package worker
import (
"context"
"github.com/apache/pulsar-client-go/pulsar"
"github.com/goexl/gox"
"github.com/goexl/gox/field"
"github.com/goexl/pulsar/internal/callback"
"github.com/goexl/pulsar/internal/message"
"github.com/goexl/pulsar/internal/param"
"github.com/goexl/simaqian"
)
type Handle[T any] struct {
simaqian.Logger
param *param.Handle[T]
get callback.GetConsumer[T]
}
func NewHandle[T any](param *param.Handle[T], get callback.GetConsumer[T]) *Handle[T] {
return &Handle[T]{
get: get,
param: param,
}
}
func (h *Handle[T]) Start(ctx context.Context, handler message.Handler[T]) (err error) {
if consumer, ge := h.get(h.param.Consumer); nil != ge {
err = ge
} else {
err = h.start(ctx, consumer, handler)
}
return
}
func (h *Handle[T]) start(ctx context.Context, consumer pulsar.Consumer, handler message.Handler[T]) (err error) {
for {
if msg, re := consumer.Receive(ctx); nil != re {
h.Warn("收取消息出错", field.Error(re))
} else {
go h.process(ctx, consumer, msg, handler)
}
}
}
func (h *Handle[T]) process(ctx context.Context, consumer pulsar.Consumer, msg pulsar.Message, handler message.Handler[T]) {
var err error
defer h.cleanup(consumer, msg, &err)
peek := handler.Peek()
decoder := gox.Ift(nil != h.param.Decoder, h.param.Decoder, h.param.Base.Decoder)
if de := decoder.Decode(msg.Payload(), peek); nil != de {
err = de
} else {
err = handler.Process(ctx, peek, message.NewExtra(msg))
}
}
func (h *Handle[T]) cleanup(consumer pulsar.Consumer, msg pulsar.Message, err *error) {
switch {
case nil != *err && msg.RedeliveryCount() < h.param.Max:
consumer.ReconsumeLater(msg, h.param.Duration)
case nil != *err && msg.RedeliveryCount() >= h.param.Max:
h.ack(consumer, msg, "达到最大重试次数")
default:
h.ack(consumer, msg, "正常完成消费")
}
}
func (h *Handle[T]) ack(consumer pulsar.Consumer, msg pulsar.Message, cause string) {
fields := gox.Fields[any]{
field.New("id", msg.ID().String()),
field.New("cause", cause),
}
if ae := consumer.Ack(msg); nil != ae {
h.Info("确认消费消息出错", fields.Add(field.Error(ae))...)
} else {
h.Debug("确认消费消息成功", fields...)
}
return
}