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
|
// Copyright 2018, OpenCensus 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 ochttp_test
import (
"log"
"net/http"
"go.opencensus.io/plugin/ochttp"
"go.opencensus.io/plugin/ochttp/propagation/b3"
"go.opencensus.io/stats/view"
"go.opencensus.io/tag"
)
func ExampleTransport() {
// import (
// "go.opencensus.io/plugin/ochttp"
// "go.opencensus.io/stats/view"
// )
if err := view.Register(
// Register a few default views.
ochttp.ClientSentBytesDistribution,
ochttp.ClientReceivedBytesDistribution,
ochttp.ClientRoundtripLatencyDistribution,
// Register a custom view.
&view.View{
Name: "httpclient_latency_by_path",
TagKeys: []tag.Key{ochttp.KeyClientPath},
Measure: ochttp.ClientRoundtripLatency,
Aggregation: ochttp.DefaultLatencyDistribution,
},
); err != nil {
log.Fatal(err)
}
client := &http.Client{
Transport: &ochttp.Transport{},
}
// Use client to perform requests.
_ = client
}
var usersHandler http.Handler
func ExampleHandler() {
// import "go.opencensus.io/plugin/ochttp"
http.Handle("/users", ochttp.WithRouteTag(usersHandler, "/users"))
// If no handler is specified, the default mux is used.
log.Fatal(http.ListenAndServe("localhost:8080", &ochttp.Handler{}))
}
func ExampleHandler_mux() {
// import "go.opencensus.io/plugin/ochttp"
mux := http.NewServeMux()
mux.Handle("/users", ochttp.WithRouteTag(usersHandler, "/users"))
log.Fatal(http.ListenAndServe("localhost:8080", &ochttp.Handler{
Handler: mux,
Propagation: &b3.HTTPFormat{},
}))
}
|
