forked from redpanda-data/connect
-
Notifications
You must be signed in to change notification settings - Fork 0
/
output.go
68 lines (59 loc) · 1.34 KB
/
output.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
package tracing
import (
"sync/atomic"
"time"
"github.com/dafanshu/benthos/v3/internal/shutdown"
"github.com/dafanshu/benthos/v3/lib/types"
)
type tracedOutput struct {
e *events
ctr *uint64
wrapped types.Output
tChan chan types.Transaction
shutSig *shutdown.Signaller
}
func traceOutput(e *events, ctr *uint64, i types.Output) types.Output {
t := &tracedOutput{
e: e,
ctr: ctr,
wrapped: i,
tChan: make(chan types.Transaction),
shutSig: shutdown.NewSignaller(),
}
return t
}
func (t *tracedOutput) loop(inChan <-chan types.Transaction) {
defer close(t.tChan)
for {
tran, open := <-inChan
if !open {
return
}
_ = tran.Payload.Iter(func(i int, part types.Part) error {
_ = atomic.AddUint64(t.ctr, 1)
t.e.Add(EventConsume, string(part.Get()))
return nil
})
select {
case t.tChan <- tran:
case <-t.shutSig.CloseNowChan():
// Stop flushing if we fully timed out
return
}
}
}
func (t *tracedOutput) Consume(inChan <-chan types.Transaction) error {
go t.loop(inChan)
return t.wrapped.Consume(t.tChan)
}
func (t *tracedOutput) Connected() bool {
return t.wrapped.Connected()
}
func (t *tracedOutput) CloseAsync() {
t.wrapped.CloseAsync()
}
func (t *tracedOutput) WaitForClose(timeout time.Duration) error {
err := t.wrapped.WaitForClose(timeout)
t.shutSig.CloseNow()
return err
}