mirror of
https://github.com/Luzifer/nginx-sso.git
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79 lines
2.2 KiB
Go
79 lines
2.2 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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//go:generate protoc -I ../proto --go_out=plugins=grpc:../proto ../proto/helloworld.proto
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package main
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import (
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"log"
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"math/rand"
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"net"
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"net/http"
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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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"go.opencensus.io/trace"
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"go.opencensus.io/zpages"
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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 port = ":50051"
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// server is used to implement helloworld.GreeterServer.
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type server struct{}
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// SayHello implements helloworld.GreeterServer
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func (s *server) SayHello(ctx context.Context, in *pb.HelloRequest) (*pb.HelloReply, error) {
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ctx, span := trace.StartSpan(ctx, "sleep")
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time.Sleep(time.Duration(rand.Float64() * float64(time.Second)))
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span.End()
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return &pb.HelloReply{Message: "Hello " + in.Name}, nil
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}
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func main() {
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// Start z-Pages server.
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go func() {
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mux := http.NewServeMux()
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zpages.Handle(mux, "/debug")
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log.Fatal(http.ListenAndServe("127.0.0.1:8081", mux))
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}()
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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 views to collect server request count.
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if err := view.Register(ocgrpc.DefaultServerViews...); err != nil {
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log.Fatal(err)
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}
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lis, err := net.Listen("tcp", port)
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if err != nil {
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log.Fatalf("Failed to listen: %v", err)
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}
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// Set up a new server with the OpenCensus
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// stats handler to enable stats and tracing.
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s := grpc.NewServer(grpc.StatsHandler(&ocgrpc.ServerHandler{}))
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pb.RegisterGreeterServer(s, &server{})
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if err := s.Serve(lis); err != nil {
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log.Fatalf("Failed to serve: %v", err)
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}
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}
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