mirror of
https://github.com/Luzifer/nginx-sso.git
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69 lines
1.9 KiB
Go
69 lines
1.9 KiB
Go
// Copyright 2017, 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 main
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import (
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"log"
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"os"
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"time"
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"go.opencensus.io/examples/exporter"
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pb "go.opencensus.io/examples/grpc/proto"
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"go.opencensus.io/plugin/ocgrpc"
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"go.opencensus.io/stats/view"
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"golang.org/x/net/context"
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"google.golang.org/grpc"
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)
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const (
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address = "localhost:50051"
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defaultName = "world"
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)
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func main() {
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// Register stats and trace exporters to export
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// the collected data.
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view.RegisterExporter(&exporter.PrintExporter{})
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// Register the view to collect gRPC client stats.
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if err := view.Register(ocgrpc.DefaultClientViews...); err != nil {
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log.Fatal(err)
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}
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// Set up a connection to the server with the OpenCensus
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// stats handler to enable stats and tracing.
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conn, err := grpc.Dial(address, grpc.WithStatsHandler(&ocgrpc.ClientHandler{}), grpc.WithInsecure())
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if err != nil {
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log.Fatalf("Cannot connect: %v", err)
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}
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defer conn.Close()
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c := pb.NewGreeterClient(conn)
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// Contact the server and print out its response.
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name := defaultName
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if len(os.Args) > 1 {
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name = os.Args[1]
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}
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view.SetReportingPeriod(time.Second)
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for {
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r, err := c.SayHello(context.Background(), &pb.HelloRequest{Name: name})
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if err != nil {
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log.Printf("Could not greet: %v", err)
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} else {
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log.Printf("Greeting: %s", r.Message)
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}
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time.Sleep(2 * time.Second)
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}
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}
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