/
runner.go
109 lines (93 loc) · 2.29 KB
/
runner.go
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package main
import (
"net/http"
"sort"
"sync"
"time"
)
// Multithreading variables
var stageWaitGroup sync.WaitGroup
var threadWaitGroup sync.WaitGroup
// Communication channel to calculate throughput (request per second)
var channel = make(chan []byte, 1024)
var httpClient *http.Client
var logger GoltLogger
var watcher *GoltWatcher
func init() {
// TODO: Make the interval parameterizable
watcher = &GoltWatcher{
Interval: 5.0,
WatchingChannel: channel,
}
}
func ExecuteGoltTest(goltTest Golts, logFile string) {
m := generateStageMap(goltTest)
var keys []int
for k := range m {
keys = append(keys, k)
}
sort.Ints(keys)
logger = &FileLogger{
Filename: logFile,
}
logger.Init()
go watcher.Watch()
for _, k := range keys {
executeStage(m[k])
}
// Output final throughput
watcher.OutputAverageThroughput()
logger.Finish()
}
func generateStageMap(goltTest Golts) map[int][]GoltThreadGroup {
m := make(map[int][]GoltThreadGroup)
for _, element := range goltTest.Golt {
array := m[element.Stage]
if len(array) == 0 {
m[element.Stage] = []GoltThreadGroup{element}
} else {
m[element.Stage] = append(array, element)
}
}
return m
}
// FIXME: The two following functions are very repetitive. Find a way to clean it
func executeStage(stage []GoltThreadGroup) {
stageWaitGroup.Add(len(stage))
for _, item := range stage {
httpClient = generateHttpClient(item)
go executeThreadGroup(item)
}
stageWaitGroup.Wait()
}
func executeThreadGroup(threadGroup GoltThreadGroup) {
threadWaitGroup.Add(threadGroup.Threads)
executor := GoltExecutor{
ThreadGroup: threadGroup,
Sender: HttpSender{httpClient},
Logger: logger,
SendingChannel: channel,
}
for i := 0; i < threadGroup.Threads; i++ {
go func() {
executor.ExecuteHttpRequests()
threadWaitGroup.Done()
}()
}
threadWaitGroup.Wait()
stageWaitGroup.Done()
}
func generateHttpClient(threadGroup GoltThreadGroup) *http.Client {
var httpClient *http.Client
if threadGroup.Timeout > 0 {
httpClient = &http.Client{
Timeout: time.Duration(time.Millisecond * time.Duration(threadGroup.Timeout)),
}
} else {
// Default timeout of 30 seconds for HTTP calls to avoid hung threads
httpClient = &http.Client{
Timeout: time.Duration(time.Second * 30),
}
}
return httpClient
}