pub fn run(&mut self) {
        let mut events = Events::with_capacity(self.nevent);
        let mut requests = Vec::with_capacity(1024);

        loop {
            STORAGE_EVENT_LOOP.increment();

            self.storage.expire();

            // get events with timeout
            if self.poll.poll(&mut events, self.timeout).is_err() {
                error!("Error polling");
            }

            if !events.is_empty() {
                trace!("handling events");

                self.storage_queue.try_recv_all(&mut requests);

                STORAGE_QUEUE_DEPTH.increment(
                    common::time::Instant::<common::time::Nanoseconds<u64>>::now(),
                    requests.len() as _,
                    1,
                );

                for request in requests.drain(..) {
                    let sender = request.sender();
                    let request = request.into_inner();
                    trace!("handling request from worker: {}", sender);
                    PROCESS_REQ.increment();
                    let token = request.token();
                    let response = self.storage.execute(request.into_inner());
                    let mut message = TokenWrapper::new(response, token);
                    for retry in 0..QUEUE_RETRIES {
                        if let Err(m) = self.storage_queue.try_send_to(sender, message) {
                            if (retry + 1) == QUEUE_RETRIES {
                                error!("error sending message to worker");
                            }
                            let _ = self.storage_queue.wake();
                            message = m;
                        } else {
                            break;
                        }
                    }
                }

                let _ = self.storage_queue.wake();

                // check if we received any signals from the admin thread
                while let Ok(s) = self.signal_queue.try_recv().map(|v| v.into_inner()) {
                    match s {
                        Signal::FlushAll => {
                            warn!("received flush_all");
                            self.storage.clear();
                        }
                        Signal::Shutdown => {
                            // if we received a shutdown, we can return and stop
                            // processing events

                            // TODO(bmartin): graceful shutdown would occur here
                            // when we add persistence

                            return;
                        }
                    }
                }
            }
        }
    }
/// Run the `StorageWorker` in a loop, handling new session events.
Run the `StorageWorker` in a loop, handling new session events.
Run the ` StorageWorker ` in a loop handling new session events .
pub fn run(&mut self) {
        let mut events = Events::with_capacity(self.nevent);
        let mut requests = Vec::with_capacity(1024);
        loop {
            STORAGE_EVENT_LOOP.increment();
            self.storage.expire();
            // get events with timeout
            if self.poll.poll(&mut events, self.timeout).is_err() {
                error!("Error polling");
            }
            if !events.is_empty() {
                trace!("handling events");
                self.storage_queue.try_recv_all(&mut requests);
                STORAGE_QUEUE_DEPTH.increment(
                    common::time::Instant::<common::time::Nanoseconds<u64>>::now(),
                    requests.len() as _,
                    1,
                );
                for request in requests.drain(..) {
                    let sender = request.sender();
                    let request = request.into_inner();
                    trace!("handling request from worker: {}", sender);
                    PROCESS_REQ.increment();
                    let token = request.token();
                    let response = self.storage.execute(request.into_inner());
                    let mut message = TokenWrapper::new(response, token);
                    for retry in 0..QUEUE_RETRIES {
                        if let Err(m) = self.storage_queue.try_send_to(sender, message) {
                            if (retry + 1) == QUEUE_RETRIES {
                                error!("error sending message to worker");
                            }
                            let _ = self.storage_queue.wake();
                            message = m;
                        } else {
                            break;
                        }
                    }
                }
                let _ = self.storage_queue.wake();
                // check if we received any signals from the admin thread
                while let Ok(s) = self.signal_queue.try_recv().map(|v| v.into_inner()) {
                    match s {
                        Signal::FlushAll => {
                            warn!("received flush_all");
                            self.storage.clear();
                        }
                        Signal::Shutdown => {
                            // if we received a shutdown, we can return and stop
                            // processing events
                            // TODO(bmartin): graceful shutdown would occur here
                            // when we add persistence
                            return;
                        }
                    }
                }
            }
        }
    }
pub fn run ( & mut self ) { let mut events = Events :: with_capacity ( self . nevent ) ; let mut requests = Vec :: with_capacity ( 1024 ) ; loop { STORAGE_EVENT_LOOP . increment ( ) ; self . storage . expire ( ) ; // get events with timeout if self . poll . poll ( & mut events , self . timeout ) . is_err ( ) { error ! ( " " ) ; } if ! events . is_empty ( ) { trace ! ( " " ) ; self . storage_queue . try_recv_all ( & mut requests ) ; STORAGE_QUEUE_DEPTH . increment ( common :: time :: Instant :: < common :: time :: Nanoseconds < u64 > > :: now ( ) , requests . len ( ) as _ , 1 , ) ; for request in requests . drain ( .. ) { let sender = request . sender ( ) ; let request = request . into_inner ( ) ; trace ! ( " " sender ) ; PROCESS_REQ . increment ( ) ; let token = request . token ( ) ; let response = self . storage . execute ( request . into_inner ( ) ) ; let mut message = TokenWrapper :: new ( response , token ) ; for retry in 0 .. QUEUE_RETRIES { if let Err ( m ) = self . storage_queue . try_send_to ( sender , message ) { if ( retry + 1 ) == QUEUE_RETRIES { error ! ( " " ) ; } let _ = self . storage_queue . wake ( ) ; message = m ; } else { break ; } } } let _ = self . storage_queue . wake ( ) ; // check if we received any signals from the admin thread while let Ok ( s ) = self . signal_queue . try_recv ( ) . map ( | v | v . into_inner ( ) ) { match s { Signal :: FlushAll => { warn ! ( " " ) ; self . storage . clear ( ) ; } Signal :: Shutdown => { // if we received a shutdown, we can return and stop // processing events // TODO(bmartin): graceful shutdown would occur here // when we add persistence return ; } } } } } }
Run the `StorageWorker` in a loop, handling new session events.
Run the ` StorageWorker ` in a loop handling new session events .
&mut self
&mut self