func GetAppId(envelope *events.Envelope) string {
if envelope.GetEventType() == events.Envelope_LogMessage {
return envelope.GetLogMessage().GetAppId()
}
if envelope.GetEventType() == events.Envelope_ContainerMetric {
return envelope.GetContainerMetric().GetApplicationId()
}
var event hasAppId
switch envelope.GetEventType() {
case events.Envelope_HttpStart:
event = envelope.GetHttpStart()
case events.Envelope_HttpStop:
event = envelope.GetHttpStop()
case events.Envelope_HttpStartStop:
event = envelope.GetHttpStartStop()
default:
return SystemAppId
}
uuid := event.GetApplicationId()
if uuid != nil {
return formatUUID(uuid)
}
return SystemAppId
}
func (m *MessageAggregator) handleHTTPStart(envelope *events.Envelope) {
metrics.BatchIncrementCounter("MessageAggregator.httpStartReceived")
logging.Debugf(m.logger, "handling HTTP start message for appID: %v", envelope.GetHttpStart().GetApplicationId())
startEvent := envelope.GetHttpStart()
requestID := startEvent.RequestId.String()
event := eventID{requestID: requestID, peerType: startEvent.GetPeerType()}
m.startEventsByEventID[event] = startEventEntry{startEvent: startEvent, entryTime: time.Now()}
}
func (m *MessageAggregator) handleHTTPStart(envelope *events.Envelope) {
m.incrementCounter(&m.httpStartReceivedCount)
m.logger.Debugf("handling HTTP start message %v", spew.Sprintf("%v", envelope))
startEvent := envelope.GetHttpStart()
requestID := startEvent.RequestId.String()
event := eventID{requestID: requestID, peerType: startEvent.GetPeerType()}
m.startEventsByEventID[event] = startEventEntry{startEvent: startEvent, entryTime: time.Now()}
}
func listenForEvents(origin []string) {
for {
buffer := make([]byte, 1024)
n, _, err := udpListener.ReadFrom(buffer)
if err != nil {
return
}
if n == 0 {
panic("Received empty packet")
}
envelope := new(events.Envelope)
err = proto.Unmarshal(buffer[0:n], envelope)
if err != nil {
panic(err)
}
var eventId = envelope.GetEventType().String()
tracker := eventTracker{eventType: eventId}
switch envelope.GetEventType() {
case events.Envelope_HttpStart:
tracker.name = envelope.GetHttpStart().GetPeerType().String()
case events.Envelope_HttpStop:
tracker.name = envelope.GetHttpStop().GetPeerType().String()
case events.Envelope_ValueMetric:
tracker.name = envelope.GetValueMetric().GetName()
case events.Envelope_CounterEvent:
tracker.name = envelope.GetCounterEvent().GetName()
default:
panic("Unexpected message type")
}
if envelope.GetOrigin() != strings.Join(origin, "/") {
panic("origin not as expected")
}
func() {
lock.Lock()
defer lock.Unlock()
receivedEvents = append(receivedEvents, tracker)
}()
}
}
func valid(env *events.Envelope) bool {
switch env.GetEventType() {
case events.Envelope_HttpStart:
return env.GetHttpStart() != nil
case events.Envelope_HttpStop:
return env.GetHttpStop() != nil
case events.Envelope_HttpStartStop:
return env.GetHttpStartStop() != nil
case events.Envelope_LogMessage:
return env.GetLogMessage() != nil
case events.Envelope_ValueMetric:
return env.GetValueMetric() != nil
case events.Envelope_CounterEvent:
return env.GetCounterEvent() != nil
case events.Envelope_Error:
return env.GetError() != nil
case events.Envelope_ContainerMetric:
return env.GetContainerMetric() != nil
}
return true
}
func HttpStart(msg *events.Envelope) Event {
httpStart := msg.GetHttpStart()
fields := logrus.Fields{
"cf_app_id": utils.FormatUUID(httpStart.GetApplicationId()),
"instance_id": httpStart.GetInstanceId(),
"instance_index": httpStart.GetInstanceIndex(),
"method": httpStart.GetMethod(),
"parent_request_id": utils.FormatUUID(httpStart.GetParentRequestId()),
"peer_type": httpStart.GetPeerType(),
"request_id": utils.FormatUUID(httpStart.GetRequestId()),
"remote_addr": httpStart.GetRemoteAddress(),
"timestamp": httpStart.GetTimestamp(),
"uri": httpStart.GetUri(),
"user_agent": httpStart.GetUserAgent(),
}
return Event{
Fields: fields,
Msg: "",
}
}
if n == 0 {
panic("Received empty packet")
}
envelope := new(events.Envelope)
err = proto.Unmarshal(buffer[0:n], envelope)
if err != nil {
panic(err)
}
var eventId = envelope.GetEventType().String()
tracker := eventTracker{eventType: eventId}
switch envelope.GetEventType() {
case events.Envelope_HttpStart:
tracker.name = envelope.GetHttpStart().GetPeerType().String()
case events.Envelope_HttpStop:
tracker.name = envelope.GetHttpStop().GetPeerType().String()
case events.Envelope_Heartbeat:
tracker.name = envelope.GetHeartbeat().GetControlMessageIdentifier().String()
case events.Envelope_ValueMetric:
tracker.name = envelope.GetValueMetric().GetName()
case events.Envelope_CounterEvent:
tracker.name = envelope.GetCounterEvent().GetName()
default:
panic("Unexpected message type")
}
if envelope.GetOrigin() != strings.Join(origin, "/") {
panic("origin not as expected")