forked from Azure/azure-service-bus-go
/
main.go
95 lines (83 loc) · 2.48 KB
/
main.go
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package main
import (
"context"
"fmt"
"io"
"os"
"time"
"github.com/Azure/azure-service-bus-go"
"github.com/uber/jaeger-client-go"
"github.com/uber/jaeger-client-go/config"
jaegerlog "github.com/uber/jaeger-client-go/log"
)
func main() {
closer, err := startOpenTracing()
if err != nil {
fmt.Fprintf(os.Stderr, "error: %v\n", err)
os.Exit(1)
}
defer closer.Close()
connStr := os.Getenv("SERVICEBUS_CONNECTION_STRING")
ns, err := servicebus.NewNamespace(servicebus.NamespaceWithConnectionString(connStr))
if err != nil {
fmt.Fprintf(os.Stderr, "error: %v\n", err)
os.Exit(1)
}
// Initialize and create a Service Bus Queue named helloworld if it doesn't exist
q, err := getQueue(ns, "helloworld")
if err != nil {
fmt.Fprintf(os.Stderr, "error: %v\n", err)
os.Exit(1)
}
// Send the message "Hello World!" to the Queue named helloworld
err = q.Send(context.Background(), servicebus.NewMessageFromString("Hello World!"))
if err != nil {
fmt.Fprintf(os.Stderr, "error: %v\n", err)
os.Exit(1)
}
done := make(chan interface{}, 1)
// Receive the message "Hello World!" from queue named helloworld
listenHandle, err := q.Receive(context.Background(),
func(ctx context.Context, msg *servicebus.Message) servicebus.DispositionAction {
fmt.Println(string(msg.Data))
defer func(){
done <- nil
}()
return msg.Complete()
})
if err != nil {
fmt.Fprintf(os.Stderr, "error: %v\n", err)
os.Exit(1)
}
// Close the listener handle for the Service Bus Queue
defer listenHandle.Close(context.Background())
// Wait for a signal to quit:
<-done
}
func startOpenTracing() (io.Closer, error) {
// Sample configuration for testing. Use constant sampling to sample every trace
// and enable LogSpan to log every span via configured Logger.
cfg := config.Configuration{
Sampler: &config.SamplerConfig{
Type: jaeger.SamplerTypeConst,
Param: 1,
},
Reporter: &config.ReporterConfig{
LocalAgentHostPort: "0.0.0.0:6831",
},
}
// Example logger and metrics factory. Use github.com/uber/jaeger-client-go/log
// and github.com/uber/jaeger-lib/metrics respectively to bind to real logging and metrics
// frameworks.
jLogger := jaegerlog.StdLogger
return cfg.InitGlobalTracer(
"opentracing_example",
config.Logger(jLogger),
)
}
func getQueue(ns *servicebus.Namespace, queueName string) (*servicebus.Queue, error) {
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
defer cancel()
q, err := ns.NewQueue(ctx, queueName)
return q, err
}