func (this *Zktop) displayZoneTop(zkzone *zk.ZkZone) {
if this.batchMode {
this.Ui.Output(fmt.Sprintf("%s %s", zkzone.Name(), bjtime.NowBj()))
} else {
this.Ui.Output(color.Green(zkzone.Name()))
}
header := "VER SERVER PORT M OUTST RECVD SENT CONNS ZNODES LAT(MIN/AVG/MAX)"
this.Ui.Output(header)
stats := zkzone.RunZkFourLetterCommand("stat")
sortedHosts := make([]string, 0, len(stats))
for hp, _ := range stats {
sortedHosts = append(sortedHosts, hp)
}
sort.Strings(sortedHosts)
for _, hostPort := range sortedHosts {
host, port, err := net.SplitHostPort(hostPort)
if err != nil {
panic(err)
}
stat := zk.ParseStatResult(stats[hostPort])
if stat.Mode == "" {
if this.batchMode {
stat.Mode = "E"
} else {
stat.Mode = color.Red("E")
}
} else if stat.Mode == "L" && !this.batchMode {
stat.Mode = color.Blue(stat.Mode)
}
var sentQps, recvQps int
if lastRecv, present := this.lastRecvs[hostPort]; present {
r1, _ := strconv.Atoi(stat.Received)
r0, _ := strconv.Atoi(lastRecv)
recvQps = (r1 - r0) / int(this.refreshInterval.Seconds())
s1, _ := strconv.Atoi(stat.Sent)
s0, _ := strconv.Atoi(this.lastSents[hostPort])
sentQps = (s1 - s0) / int(this.refreshInterval.Seconds())
}
this.Ui.Output(fmt.Sprintf("%-15s %-15s %5s %1s %6s %16s %16s %5s %7s %s",
stat.Version, // 15
host, // 15
port, // 5
stat.Mode, // 1
stat.Outstanding, // 6
fmt.Sprintf("%s/%d", stat.Received, recvQps), // 16
fmt.Sprintf("%s/%d", stat.Sent, sentQps), // 16
stat.Connections, // 5
stat.Znodes, // 7
stat.Latency,
))
this.lastRecvs[hostPort] = stat.Received
this.lastSents[hostPort] = stat.Sent
}
}
func (this *Zookeeper) printLeader(zkzone *zk.ZkZone) {
// FIXME all zones will only show the 1st zone info because it blocks others
for {
this.Ui.Output(color.Blue(zkzone.Name()))
for zkhost, lines := range zkzone.RunZkFourLetterCommand("mntr") {
if this.zkHost != "" && !strings.HasPrefix(zkhost, this.zkHost+":") {
continue
}
parts := strings.Split(lines, "\n")
for _, l := range parts {
if strings.HasPrefix(l, "zk_server_state") && strings.HasSuffix(l, "leader") {
this.Ui.Output(color.Green("%28s", zkhost))
break
}
}
}
if this.watchMode {
time.Sleep(time.Second * 5)
} else {
break
}
}
}
func (this *Zookeeper) printZkStats(zkzone *zk.ZkZone) {
for {
this.Ui.Output(color.Blue(zkzone.Name()))
for zkhost, lines := range zkzone.RunZkFourLetterCommand(this.flw) {
if this.zkHost != "" && !strings.HasPrefix(zkhost, this.zkHost+":") {
continue
}
this.Ui.Output(fmt.Sprintf("%s\n%s", color.Green("%28s", zkhost), lines))
}
if this.watchMode {
time.Sleep(time.Second * 5)
} else {
break
}
}
}
