// Event logger sending
func (ev *EventLogger) _run() {
defer func() {
lib_gc_panic_catching.PanicCatching("EventLogger.run")
ev.is_running = false
}()
lib_gc_log.Info.Printf("EVENT_LOGGER content [%p, %s], container [%p, %s] RUN STARTED.\n", &ev.Contents, DEFAULT_EVENT_LOGGER, ev.Container, ev.Container.GetName())
ev.is_running = true
for {
if ev.Contents.Status == lib_gc_container.CONTAINER_STATUS_STARTED {
if message, ok := <-lib_bpulse_event.Messages_chan; ok {
// Send the event
if err := ev.Send_event(message); err != nil {
lib_gc_log.Error.Println("ERROR on sending an event: ", err.Error())
}
} else {
// The channel is closed !!!
lib_gc_log.Error.Printf("ERROR: The event logger channel is closed !!! \n")
}
} else {
// Wait for the next message
timer := time.NewTimer(500 * time.Millisecond)
<-timer.C
}
}
}
func (dpa *DefaultPulseAggregator) run() {
// panic catching
defer func() {
lib_gc_panic_catching.PanicCatching("DefaultSender.run")
dpa.isrunning = false
}()
lib_gc_log.Info.Printf("AGGREGATOR content [%p, %s], container [%p, %s] RUN STARTED. \n", &dpa.Contents, DEFAULT_AGGREGATOR_NAME, dpa.Container, dpa.Container.GetName())
var record *lib_pulse_storage.PulseRecord
var last_storage_at time.Time = time.Now()
ticker := time.NewTicker(time.Nanosecond * 100)
for _ = range ticker.C {
if dpa.Contents.Status == lib_gc_container.CONTAINER_STATUS_STARTED && dpa.storage != nil {
select {
case pulse, ok := <-dpa.aggregation_channel:
_ = pulse
_ = ok
lib_gc_log.Trace.Printf("AGGREGATOR recived pulse %p on content %p, container %p [%s] \n", pulse, &dpa.Contents, dpa.Container, dpa.Container.GetName())
lib_gc_log.Trace.Printf("AGGREGATOR recived pulse %p : %v+ \n", pulse.String())
// Check for channel keeps opened
if !ok {
_msg, _ := lib_gc_event.NotifyEvent("003-001", "", &[]string{})
lib_gc_log.Warning.Println(_msg)
dpa.Status = lib_gc_container.CONTAINER_STATUS_STOPPED
break
}
// Check for an active record
if record == nil {
key := strconv.FormatInt(time.Now().Unix(), 10)
pulses := make([]proto.Message, dpa.record_size)
record = &lib_pulse_storage.PulseRecord{Key: key, Pulses: pulses, Pos: 0}
}
// Add the pulse to the record.
record.Pulses[record.Pos] = pulse
lib_gc_log.Trace.Printf("AGGREGATOR added pulse %p on content %p, container %p [%s], pos %d / %d \n", pulse, &dpa.Contents, dpa.Container, dpa.Container.GetName(), record.Pos, dpa.record_size)
record.Pos = record.Pos + 1
// Check if the record pulses have reached the block_size size
if record.Pos == dpa.record_size {
// Store
lib_gc_log.Trace.Printf("AGGREGATOR storing BY BLOCK SIZE [%d - %d] pulse %p on content %p, container %p [%s] \n", record.Pos, dpa.record_size, pulse, &dpa.Contents, dpa.Container, dpa.Container.GetName())
record.Pulses = record.Pulses[:record.Pos]
dpa.storage.AddPulseRecord(record)
last_storage_at = time.Now()
record = nil
}
default:
delay := int64(time.Now().Sub(last_storage_at).Nanoseconds() / 1000000)
if record != nil && delay >= dpa.max_time_without_store {
lib_gc_log.Info.Printf("AGGREGATOR storing BY TIMING pulses on content %p, container %p [%s] with delay %s \n", &dpa.Contents, dpa.Container, dpa.Container.GetName(), fmt.Sprint(time.Now().Sub(last_storage_at)))
// Store
record.Pulses = record.Pulses[:record.Pos]
dpa.storage.AddPulseRecord(record)
last_storage_at = time.Now()
record = nil
}
}
}
}
}
/*
This method starts the Go BPulse client.
Parameters:
rq_maker: BPulse RQ builder from a slice of pulses
rs_processor: BPulse responses writer. (optional)
rs_instance_getter: BPulse RS intance getter.
Returns
error: The fired up error if some issue occurs.
*/
func StartBPulseClient(rq_maker lib_pulses_sender.PulseRQMaker, rs_processor lib_pulses_sender.PulseRSProcessor, rs_instance_getter lib_send_channel_adapter.PulseRSInstanceGetter) error {
// panic catching
defer lib_gc_panic_catching.PanicCatching("StartBPulseClient")
if status == BPULSECLIENT_STARTED {
msg, _ := lib_gc_event.NotifyEvent("008-003", "", &[]string{})
return errors.New(msg)
} else {
// Start the contents.
lib_gc_contents_loader.InitializeContainerContents()
// start event logger container
if err := waitForContainerStarts(lib_bpulse_event.Container.GetGenericContainer()); err != nil {
return err
} else {
// start storage container
if err := waitForContainerStarts(lib_pulse_storage.Container.GetGenericContainer()); err != nil {
return err
} else {
// start aggregator container
if err := waitForContainerStarts(lib_pulse_aggregator.Container.GetGenericContainer()); err != nil {
return err
} else {
// Set the bpulse rs instance getter for unmarsal bpulse respones. It's mandatory
if rs_instance_getter == nil {
msg, _ := lib_gc_event.NotifyEvent("008-002", "", &[]string{})
return errors.New(msg)
} else {
lib_send_channel_adapter.Container.GetGenericContainer().AddParameter(lib_send_channel_adapter.RS_INSTANCE_GETTER, rs_instance_getter)
// start sender channel adapter container
if err := waitForContainerStarts(lib_send_channel_adapter.Container.GetGenericContainer()); err != nil {
return err
} else {
// Set the rq maker. It's mandatory.
if rq_maker == nil {
msg, _ := lib_gc_event.NotifyEvent("008-001", "", &[]string{})
return errors.New(msg)
} else {
lib_pulses_sender.Container.GetGenericContainer().AddParameter(lib_pulses_sender.PULSE_RQ_MAKER, rq_maker)
// RS processor is optional.
if rs_processor != nil {
lib_pulses_sender.Container.GetGenericContainer().AddParameter(lib_pulses_sender.PULSE_RS_PROCESSOR, rs_processor)
}
if err := waitForContainerStarts(lib_pulses_sender.Container.GetGenericContainer()); err != nil {
return err
}
}
}
}
}
}
}
status = BPULSECLIENT_STARTED
return nil
}
}
func (ds *DefaultSender) run() {
// panic catching
defer func() {
lib_gc_panic_catching.PanicCatching("DefaultSender.run")
ds.isrunning = false
}()
lib_gc_log.Info.Printf("SENDER content [%p, %s], container [%p, %s] RUN STARTED.\n", &ds.Contents, DEFAULT_SENDER, ds.Container, ds.Container.GetName())
for {
ds.isrunning = true
if ds.Contents.Status == lib_gc_container.CONTAINER_STATUS_STARTED && ds.storage != nil {
max_concurrent_records_semaphore.Lock(1)
if record, err := ds.storage.GetPulseRecord(); err != nil {
msg, _ := EVENT.NotifyEvent("006-001", "", &[]string{err.Error()})
lib_gc_log.Error.Printf("%s\n", msg)
ds.writeToRSWriter([]byte(msg))
} else {
if record != nil {
lib_gc_log.Trace.Printf("SENDER content [%p, %s], container [%p, %s] Taken pulse record, with %d pulses.\n", &ds.Contents, DEFAULT_SENDER, ds.Container, ds.Container.GetName(), len(record.Pulses))
if ds.pulse_rq_maker == nil {
msg, _ := EVENT.NotifyEvent("006-004", "", &[]string{DEFAULT_SENDER})
lib_gc_log.Error.Println(msg)
} else {
if rq, err := ds.pulse_rq_maker(record.Pulses); err != nil {
msg, _ := EVENT.NotifyEvent("006-005", "", &[]string{DEFAULT_SENDER})
lib_gc_log.Error.Println(msg)
} else {
go func(rq proto.Message, rs_processor lib_pulses_sender.PulseRSProcessor, semaphore lib_gc_semaphore.Semaphore_I) {
// panic catching
defer lib_gc_panic_catching.PanicCatching("DefaultSender.run - go")
if adapter, err := lib_send_channel_adapter.Container.GetSendChannelAdapter(adapter_name); err != nil {
msg, _ := EVENT.NotifyEvent("006-002", "", &[]string{err.Error()})
lib_gc_log.Error.Printf("%s\n", msg)
ds.writeToRSWriter([]byte(msg))
} else {
defer lib_send_channel_adapter.Container.ReleaseSendChannelAdapter(adapter_name, adapter)
semaphore.Lock(1)
sent := false
retries := 0
for (!sent) && (retries < msg_sending_reintries) {
retries += 1
if rs, err := adapter.SendPulseRQ(rq); err != nil {
if msg, err2 := EVENT.NotifyEvent("006-003", "", &[]string{err.Error()}); err2 == nil {
lib_gc_log.Error.Printf("%s \n !!", msg)
ds.writeToRSWriter([]byte(msg))
} else {
lib_gc_log.Error.Printf("%s \n !!", err2.Error())
ds.writeToRSWriter([]byte(msg))
}
} else {
sent = true
if rs_processor != nil {
if err := rs_processor(rs, ds.rs_writer); err != nil {
ds.writeToRSWriter([]byte(err.Error()))
}
}
}
}
semaphore.ForceToUnLock(1)
}
}(rq, ds.pulse_rs_processor, max_concurrent_sents_semaphore)
}
}
}
}
max_concurrent_records_semaphore.ForceToUnLock(1)
}
}
}
