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// TODO: need to supply your own startService and stopService functions | |
package main | |
import ( | |
"log" | |
"os" | |
"os/signal" | |
"sync" | |
"syscall" | |
"time" | |
"github.com/nsqio/go-nsq" | |
) | |
func main() { | |
stopService("nsqd") | |
cfg := nsq.NewConfig() | |
p, err := nsq.NewProducer("127.0.0.1:4150", cfg) | |
if err != nil { | |
log.Fatal(err) | |
} | |
closeChan := make(chan struct{}) | |
var wg sync.WaitGroup | |
wg.Add(2) | |
go func() { | |
msg := []byte("nsq") | |
i := 0 | |
loop: | |
for { | |
if i%10000 == 0 { | |
log.Printf("%d successful messages\n", i) | |
} | |
select { | |
case <-closeChan: | |
break loop | |
default: | |
pubErr := p.Publish("hello", msg) | |
if pubErr != nil { | |
if pubErr.Error() != "not connected" { | |
log.Println(pubErr) | |
} | |
} else { | |
i++ | |
} | |
} | |
} | |
wg.Done() | |
}() | |
go func() { | |
loop2: | |
for { | |
select { | |
case <-time.After(5 * time.Second): | |
stopService("nsqd") | |
//time.Sleep(5 * time.Second) | |
startService("nsqd") | |
case <-closeChan: | |
break loop2 | |
} | |
} | |
wg.Done() | |
}() | |
notify := make(chan os.Signal, 1) | |
signal.Notify(notify, syscall.SIGINT, syscall.SIGTERM) | |
<-notify | |
log.Println("Exiting...") | |
p.Stop() | |
close(closeChan) | |
wg.Wait() | |
stopService("nsqd") | |
log.Println("Done") | |
} |
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