// backendLoop is the backend for the processing of messages.
func (c *cell) backendLoop(l loop.Loop) error {
totalCellsID := identifier.Identifier("cells", c.env.ID(), "total-cells")
monitoring.IncrVariable(totalCellsID)
defer monitoring.DecrVariable(totalCellsID)
for {
select {
case <-l.ShallStop():
return c.behavior.Terminate()
case event := <-c.eventc:
if event == nil {
panic("received illegal nil event!")
}
measuring := monitoring.BeginMeasuring(c.measuringID)
err := c.behavior.ProcessEvent(event)
measuring.EndMeasuring()
if err != nil {
logger.Errorf("cell %q processed event %q with error: %v", c.id, event.Topic(), err)
return err
}
}
}
}
// backendLoop is the backend for the processing of messages.
func (c *cell) backendLoop(l loop.Loop) error {
monitoring.IncrVariable(identifier.Identifier("cells", c.env.ID(), "total-cells"))
defer monitoring.DecrVariable(identifier.Identifier("cells", c.env.ID(), "total-cells"))
for {
select {
case <-l.ShallStop():
return c.behavior.Terminate()
case subscribers := <-c.subscriberc:
c.subscribers = subscribers
case event := <-c.eventc:
if event == nil {
panic("received illegal nil event!")
}
measuring := monitoring.BeginMeasuring(c.measuringID)
err := c.behavior.ProcessEvent(event)
if err != nil {
c.loop.Kill(err)
continue
}
measuring.EndMeasuring()
}
}
}
// DecrVariable implements Monitoring.
func (m *standardMonitoring) DecrVariable(id string) {
monitoring.DecrVariable(id)
}