func GenerateMetricValues(agentNum int) []*model.MetricValue {
testCount := g.Config().TestCount
sec := g.Config().Transfer.Interval
hostname := g.Config().Hostname + strconv.Itoa(agentNum)
mvs := []*model.MetricValue{}
for i := 0; i < testCount; i++ {
mv := generateMetricValue(i)
mvs = append(mvs, mv)
}
now := time.Now().Unix()
for j := 0; j < len(mvs); j++ {
mvs[j].Step = int64(sec)
mvs[j].Endpoint = hostname
mvs[j].Timestamp = now
log.Println(mvs[j].String())
}
log.Println("generate metricValues success.")
return mvs
}
func main() {
cfg := flag.String("c", "cfg.json", "configuration file")
version := flag.Bool("v", false, "show version")
flag.Parse()
if *version {
fmt.Println(g.VERSION)
os.Exit(0)
}
g.ParseConfig(*cfg)
// g.InitLocalIps()
// g.InitRpcClients()
threadCount := g.Config().ThreadCount
log.Println("threadcout:", threadCount)
var mvs []*model.MetricValue
// var seed *rand.Rand
// var sec int
// for i := 0; i < threadCount; i++ {
// seed = rand.New(rand.NewSource(time.Now().UnixNano()))
// //此处的60是使各个agent client在不同的时间内启动，模拟真实场景
// sec = seed.Intn(60)
// log.Println("sec:", sec)
// time.Sleep(time.Duration(sec) * time.Second)
// go func() {
// j := i
// for {
// log.Println("generator is running")
// mvs = funcs.GenerateMetricValues(j)
// //g.SendToTransfer(mvs)
// //此处的60是每个agent client的step
// time.Sleep(time.Duration(60) * time.Second)
// }
// }()
// }
startupTime := generateRandomStartupTime(100)
count := 0
for i := 0; i < len(startupTime); i++ {
fmt.Println(i, ": ", startupTime[i])
num := startupTime[i]
for j := 0; j < num; j++ {
count++
fmt.Println("count:", count)
k := count
go func(agentNum int) {
client := &g.Client{}
client.InitRpcClients()
for {
log.Println("generator is running")
mvs = funcs.GenerateMetricValues(agentNum)
client.SendToTransfer(mvs)
//此处的60是每个agent client的step
time.Sleep(time.Duration(60) * time.Second)
}
}(k)
}
time.Sleep(time.Duration(1) * time.Second)
}
for {
select {
case <-time.After(time.Duration(60 * time.Second)):
errNum := atomic.LoadInt64(&g.ErrNum) * int64(g.Config().TestCount)
log.Println("ErrNum: ", errNum)
//每一分钟统计一次错误数，然后重置为0
atomic.StoreInt64(&g.ErrNum, 0)
}
}
}