/
events.go
50 lines (46 loc) · 1.76 KB
/
events.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
// Copyright 2022 CloudWeGo Authors.
//
// Licensed 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 tracing
import (
"github.com/cloudwego/hertz/pkg/common/tracer/stats"
"github.com/cloudwego/hertz/pkg/common/tracer/traceinfo"
"go.opentelemetry.io/otel/attribute"
"go.opentelemetry.io/otel/trace"
)
var commonEvents = map[string]stats.Event{
"http_start": stats.HTTPStart,
"http_finish": stats.HTTPFinish,
"server_handle_start": stats.ServerHandleStart,
"server_handle_finish": stats.ServerHandleFinish,
"read_header_start": stats.ReadHeaderStart,
"read_header_finish": stats.ReadHeaderFinish,
"read_body_start": stats.ReadBodyStart,
"read_body_finish": stats.ReadBodyFinish,
"write_start": stats.WriteStart,
"write_finish": stats.WriteFinish,
}
func injectStatsEventsToSpan(span trace.Span, st traceinfo.HTTPStats) {
for name, event := range commonEvents {
if gotEvent := st.GetEvent(event); gotEvent != nil {
attrs := []attribute.KeyValue{attribute.Int("event.status", int(gotEvent.Status()))}
if gotEvent.Info() != "" {
attrs = append(attrs, attribute.String("event.info", gotEvent.Info()))
}
span.AddEvent(name,
trace.WithTimestamp(gotEvent.Time()),
trace.WithAttributes(attrs...),
)
}
}
}