mirror of
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77 lines
2 KiB
Go
77 lines
2 KiB
Go
// Copyright 2018, OpenCensus Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ochttp_test
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import (
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"log"
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"net/http"
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"go.opencensus.io/plugin/ochttp"
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"go.opencensus.io/plugin/ochttp/propagation/b3"
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"go.opencensus.io/stats/view"
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"go.opencensus.io/tag"
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)
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func ExampleTransport() {
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// import (
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// "go.opencensus.io/plugin/ochttp"
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// "go.opencensus.io/stats/view"
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// )
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if err := view.Register(
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// Register a few default views.
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ochttp.ClientSentBytesDistribution,
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ochttp.ClientReceivedBytesDistribution,
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ochttp.ClientRoundtripLatencyDistribution,
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// Register a custom view.
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&view.View{
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Name: "httpclient_latency_by_path",
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TagKeys: []tag.Key{ochttp.KeyClientPath},
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Measure: ochttp.ClientRoundtripLatency,
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Aggregation: ochttp.DefaultLatencyDistribution,
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},
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); err != nil {
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log.Fatal(err)
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}
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client := &http.Client{
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Transport: &ochttp.Transport{},
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}
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// Use client to perform requests.
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_ = client
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}
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var usersHandler http.Handler
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func ExampleHandler() {
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// import "go.opencensus.io/plugin/ochttp"
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http.Handle("/users", ochttp.WithRouteTag(usersHandler, "/users"))
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// If no handler is specified, the default mux is used.
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log.Fatal(http.ListenAndServe("localhost:8080", &ochttp.Handler{}))
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}
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func ExampleHandler_mux() {
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// import "go.opencensus.io/plugin/ochttp"
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mux := http.NewServeMux()
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mux.Handle("/users", ochttp.WithRouteTag(usersHandler, "/users"))
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log.Fatal(http.ListenAndServe("localhost:8080", &ochttp.Handler{
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Handler: mux,
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Propagation: &b3.HTTPFormat{},
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}))
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}
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