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main.go
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main.go
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package main
import (
"flag"
"fmt"
"github.com/bitly/nsq/nsq"
"github.com/bitly/nsq/util"
"log"
"net"
"os"
"os/signal"
"time"
)
var (
showVersion = flag.Bool("version", false, "print version string")
tcpAddress = flag.String("tcp-address", "0.0.0.0:4160", "<addr>:<port> to listen on for TCP clients")
httpAddress = flag.String("http-address", "0.0.0.0:4161", "<addr>:<port> to listen on for HTTP clients")
verbose = flag.Bool("verbose", false, "enable verbose logging")
inactiveProducerTimeout = flag.Duration("inactive-producer-timeout", 300*time.Second, "duration of time a producer will remain in the active list since its last ping")
tombstoneLifetime = flag.Duration("tombstone-lifetime", 45*time.Second, "duration of time a producer will remain tombstoned if registration remains")
broadcastAddress = flag.String("broadcast-address", "", "address of this lookupd node, (default to the OS hostname)")
)
var protocols = map[string]nsq.Protocol{}
var lookupd *NSQLookupd
func main() {
flag.Parse()
if *broadcastAddress == "" {
hostname, err := os.Hostname()
if err != nil {
log.Fatal(err)
}
*broadcastAddress = hostname
}
if *showVersion {
fmt.Println(util.Version("nsqlookupd"))
return
}
signalChan := make(chan os.Signal, 1)
exitChan := make(chan int)
go func() {
<-signalChan
exitChan <- 1
}()
signal.Notify(signalChan, os.Interrupt)
tcpAddr, err := net.ResolveTCPAddr("tcp", *tcpAddress)
if err != nil {
log.Fatal(err)
}
httpAddr, err := net.ResolveTCPAddr("tcp", *httpAddress)
if err != nil {
log.Fatal(err)
}
log.Println(util.Version("nsqlookupd"))
lookupd = NewNSQLookupd()
lookupd.tcpAddr = tcpAddr
lookupd.httpAddr = httpAddr
lookupd.broadcastAddress = *broadcastAddress
lookupd.inactiveProducerTimeout = *inactiveProducerTimeout
lookupd.tombstoneLifetime = *tombstoneLifetime
lookupd.Main()
<-exitChan
lookupd.Exit()
}