func NewStat(data []float64) Stat {
return Stat{
Min: stats.StatsMin(data),
Max: stats.StatsMax(data),
Mean: stats.StatsMean(data),
StdDev: stats.StatsPopulationStandardDeviation(data),
Total: stats.StatsSum(data),
}
}
func (c *Client) Run(res chan *RunResults) {
newMsgs := make(chan *Message)
pubMsgs := make(chan *Message)
doneGen := make(chan bool)
donePub := make(chan bool)
runResults := new(RunResults)
started := time.Now()
// start generator
go c.genMessages(newMsgs, doneGen)
// start publisher
go c.pubMessages(newMsgs, pubMsgs, doneGen, donePub)
runResults.ID = c.ID
times := []float64{}
for {
select {
case m := <-pubMsgs:
if m.Error {
log.Printf("CLIENT %v ERROR publishing message: %v: at %v\n", c.ID, m.Topic, m.Sent.Unix())
runResults.Failures++
} else {
// log.Printf("Message published: %v: sent: %v delivered: %v flight time: %v\n", m.Topic, m.Sent, m.Delivered, m.Delivered.Sub(m.Sent))
runResults.Successes++
times = append(times, m.Delivered.Sub(m.Sent).Seconds()*1000) // in milliseconds
}
case <-donePub:
// calculate results
duration := time.Now().Sub(started)
runResults.MsgTimeMin = stats.StatsMin(times)
runResults.MsgTimeMax = stats.StatsMax(times)
runResults.MsgTimeMean = stats.StatsMean(times)
runResults.MsgTimeStd = stats.StatsSampleStandardDeviation(times)
runResults.RunTime = duration.Seconds()
runResults.MsgsPerSec = float64(runResults.Successes) / duration.Seconds()
// report results and exit
res <- runResults
return
}
}
}