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sigverify_stage.rs
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sigverify_stage.rs
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use counter::Counter;
use influx_db_client as influxdb;
use log::Level;
use metrics;
use packet::SharedPackets;
use rand::{thread_rng, Rng};
use result::{Error, Result};
use service::Service;
use sigverify;
use std::sync::atomic::AtomicUsize;
use std::sync::mpsc::{channel, Receiver, RecvTimeoutError, Sender};
use std::sync::{Arc, Mutex};
use std::thread::{self, spawn, JoinHandle};
use std::time::Instant;
use streamer::{self, PacketReceiver};
use timing;
pub type VerifiedPackets = Vec<(SharedPackets, Vec<u8>)>;
pub struct SigVerifyStage {
thread_hdls: Vec<JoinHandle<()>>,
}
impl SigVerifyStage {
pub fn new(
packet_receiver: Receiver<SharedPackets>,
sigverify_disabled: bool,
) -> (Self, Receiver<VerifiedPackets>) {
sigverify::init();
let (verified_sender, verified_receiver) = channel();
let thread_hdls =
Self::verifier_services(packet_receiver, verified_sender, sigverify_disabled);
(SigVerifyStage { thread_hdls }, verified_receiver)
}
fn verify_batch(batch: Vec<SharedPackets>, sigverify_disabled: bool) -> VerifiedPackets {
let r = if sigverify_disabled {
sigverify::ed25519_verify_disabled(&batch)
} else {
sigverify::ed25519_verify(&batch)
};
batch.into_iter().zip(r).collect()
}
fn verifier(
recvr: &Arc<Mutex<PacketReceiver>>,
sendr: &Arc<Mutex<Sender<VerifiedPackets>>>,
sigverify_disabled: bool,
) -> Result<()> {
let (batch, len, recv_time) =
streamer::recv_batch(&recvr.lock().expect("'recvr' lock in fn verifier"))?;
inc_new_counter_info!("sigverify_stage-entries_received", len);
let now = Instant::now();
let batch_len = batch.len();
let rand_id = thread_rng().gen_range(0, 100);
info!(
"@{:?} verifier: verifying: {} id: {}",
timing::timestamp(),
batch.len(),
rand_id
);
let verified_batch = Self::verify_batch(batch, sigverify_disabled);
inc_new_counter_info!(
"sigverify_stage-verified_entries_send",
verified_batch.len()
);
if sendr
.lock()
.expect("lock in fn verify_batch in tx_creator")
.send(verified_batch)
.is_err()
{
return Err(Error::SendError);
}
let total_time_ms = timing::duration_as_ms(&now.elapsed());
let total_time_s = timing::duration_as_s(&now.elapsed());
inc_new_counter_info!(
"sigverify_stage-time_ms",
(total_time_ms + recv_time) as usize
);
info!(
"@{:?} verifier: done. batches: {} total verify time: {:?} id: {} verified: {} v/s {}",
timing::timestamp(),
batch_len,
total_time_ms,
rand_id,
len,
(len as f32 / total_time_s)
);
metrics::submit(
influxdb::Point::new("sigverify_stage-total_verify_time")
.add_field("batch_len", influxdb::Value::Integer(batch_len as i64))
.add_field("len", influxdb::Value::Integer(len as i64))
.add_field(
"total_time_ms",
influxdb::Value::Integer(total_time_ms as i64),
).to_owned(),
);
Ok(())
}
fn verifier_service(
packet_receiver: Arc<Mutex<PacketReceiver>>,
verified_sender: Arc<Mutex<Sender<VerifiedPackets>>>,
sigverify_disabled: bool,
) -> JoinHandle<()> {
spawn(move || loop {
if let Err(e) = Self::verifier(&packet_receiver, &verified_sender, sigverify_disabled) {
match e {
Error::RecvTimeoutError(RecvTimeoutError::Disconnected) => break,
Error::RecvTimeoutError(RecvTimeoutError::Timeout) => (),
Error::SendError => {
break;
}
_ => error!("{:?}", e),
}
}
})
}
fn verifier_services(
packet_receiver: PacketReceiver,
verified_sender: Sender<VerifiedPackets>,
sigverify_disabled: bool,
) -> Vec<JoinHandle<()>> {
let sender = Arc::new(Mutex::new(verified_sender));
let receiver = Arc::new(Mutex::new(packet_receiver));
(0..4)
.map(|_| Self::verifier_service(receiver.clone(), sender.clone(), sigverify_disabled))
.collect()
}
}
impl Service for SigVerifyStage {
type JoinReturnType = ();
fn join(self) -> thread::Result<()> {
for thread_hdl in self.thread_hdls {
thread_hdl.join()?;
}
Ok(())
}
}