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/
start_stop_listener.go
95 lines (76 loc) · 2.01 KB
/
start_stop_listener.go
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package startstoplistener
import (
"io/ioutil"
"net/http"
"net/http/httptest"
"strings"
"sync"
"github.com/cloudfoundry/hm9000/config"
"github.com/cloudfoundry/hm9000/models"
"github.com/cloudfoundry/yagnats"
)
type StartStopListener struct {
mutex sync.Mutex
starts []models.StartMessage
stops []models.StopMessage
messageBus yagnats.NATSConn
}
func NewStartStopListener(messageBus yagnats.NATSConn, conf *config.Config) (*StartStopListener, string) {
listener := &StartStopListener{
messageBus: messageBus,
}
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
b, err := ioutil.ReadAll(r.Body)
r.Body.Close()
if err != nil {
panic(err)
}
listener.mutex.Lock()
defer listener.mutex.Unlock()
if strings.Contains((string)(b), "is_duplicate") {
stopMessage, err := models.NewStopMessageFromJSON(b)
if err != nil {
panic(err)
}
listener.stops = append(listener.stops, stopMessage)
} else {
startMessage, err := models.NewStartMessageFromJSON(b)
if err != nil {
panic(err)
}
listener.starts = append(listener.starts, startMessage)
}
w.WriteHeader(200)
}))
return listener, server.URL
}
func (listener *StartStopListener) StartCount() int {
listener.mutex.Lock()
defer listener.mutex.Unlock()
cnt := len(listener.starts)
return cnt
}
func (listener *StartStopListener) Start(i int) models.StartMessage {
listener.mutex.Lock()
defer listener.mutex.Unlock()
msg := listener.starts[i]
return msg
}
func (listener *StartStopListener) StopCount() int {
listener.mutex.Lock()
defer listener.mutex.Unlock()
cnt := len(listener.stops)
return cnt
}
func (listener *StartStopListener) Stop(i int) models.StopMessage {
listener.mutex.Lock()
defer listener.mutex.Unlock()
msg := listener.stops[i]
return msg
}
func (listener *StartStopListener) Reset() {
listener.mutex.Lock()
defer listener.mutex.Unlock()
listener.starts = make([]models.StartMessage, 0)
listener.stops = make([]models.StopMessage, 0)
}