// Copyright (C) 2019 Storj Labs, Inc. // See LICENSE for copying information. package telemetry_test import ( "context" "fmt" "log" "time" "github.com/zeebo/admission/admproto" "github.com/zeebo/errs" "go.uber.org/zap" "golang.org/x/sync/errgroup" monkit "gopkg.in/spacemonkeygo/monkit.v2" "storj.io/storj/pkg/telemetry" ) // Example is an example of a receiver and sender func Example() { ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second) defer cancel() var group errgroup.Group receiver, err := telemetry.Listen("127.0.0.1:0") if err != nil { log.Fatal(err) } // receiver group.Go(func() (err error) { defer func() { err = errs.Combine(err, receiver.Close()) }() err = receiver.Serve(ctx, telemetry.HandlerFunc( func(application, instance string, key []byte, val float64) { fmt.Printf("receive %s %s %s %v\n", application, instance, string(key), val) }, )) if err == context.Canceled { err = nil } return err }) // sender group.Go(func() error { client, err := telemetry.NewClient(zap.L(), receiver.Addr(), telemetry.ClientOpts{ Interval: time.Second, Application: "example", Instance: telemetry.DefaultInstanceID(), Registry: monkit.Default, FloatEncoding: admproto.Float32Encoding, }) if err != nil { return err } client.Run(ctx) return nil }) if err := group.Wait(); err != nil { fmt.Println(err) } }