Merge pull request #238 from aeyakovenko/tvu_cleanup

tvu cleanup

src/lib.rs

@@ -16,6 +16,7 @@ pub mod packet;
 pub mod plan;
 pub mod record_stage;
 pub mod recorder;
+pub mod replicate_stage;
 pub mod request;
 pub mod request_processor;
 pub mod request_stage;

src/replicate_stage.rs

@@ -0,0 +1,52 @@
+//! The `replicate_stage` replicates transactions broadcast by the leader.
+
+use bank::Bank;
+use ledger;
+use packet;
+use result::Result;
+use std::sync::Arc;
+use std::sync::atomic::{AtomicBool, Ordering};
+use std::thread::{spawn, JoinHandle};
+use std::time::Duration;
+use streamer;
+
+pub struct ReplicateStage {
+    pub thread_hdl: JoinHandle<()>,
+}
+
+impl ReplicateStage {
+    /// Process verified blobs, already in order
+    fn replicate_requests(
+        bank: &Arc<Bank>,
+        verified_receiver: &streamer::BlobReceiver,
+        blob_recycler: &packet::BlobRecycler,
+    ) -> Result<()> {
+        let timer = Duration::new(1, 0);
+        let blobs = verified_receiver.recv_timeout(timer)?;
+        let entries = ledger::reconstruct_entries_from_blobs(&blobs);
+        let res = bank.process_verified_entries(entries);
+        if res.is_err() {
+            error!("process_verified_entries {} {:?}", blobs.len(), res);
+        }
+        res?;
+        for blob in blobs {
+            blob_recycler.recycle(blob);
+        }
+        Ok(())
+    }
+
+    pub fn new(
+        bank: Arc<Bank>,
+        exit: Arc<AtomicBool>,
+        window_receiver: streamer::BlobReceiver,
+        blob_recycler: packet::BlobRecycler,
+    ) -> Self {
+        let thread_hdl = spawn(move || loop {
+            let e = Self::replicate_requests(&bank, &window_receiver, &blob_recycler);
+            if e.is_err() && exit.load(Ordering::Relaxed) {
+                break;
+            }
+        });
+        ReplicateStage { thread_hdl }
+    }
+}

src/tvu.rs

@@ -5,16 +5,16 @@ use bank::Bank;
 use banking_stage::BankingStage;
 use crdt::{Crdt, ReplicatedData};
 use hash::Hash;
-use ledger;
 use packet;
 use record_stage::RecordStage;
+use replicate_stage::ReplicateStage;
 use result::Result;
 use sig_verify_stage::SigVerifyStage;
 use std::net::UdpSocket;
-use std::sync::atomic::{AtomicBool, Ordering};
+use std::sync::atomic::AtomicBool;
 use std::sync::mpsc::channel;
 use std::sync::{Arc, RwLock};
-use std::thread::{spawn, JoinHandle};
+use std::thread::JoinHandle;
 use std::time::Duration;
 use streamer;
 use write_stage::WriteStage;
@@ -35,27 +35,6 @@ impl Tvu {
         }
     }
 
-    /// Process verified blobs, already in order
-    /// Respond with a signed hash of the state
-    fn replicate_state(
-        obj: &Tvu,
-        verified_receiver: &streamer::BlobReceiver,
-        blob_recycler: &packet::BlobRecycler,
-    ) -> Result<()> {
-        let timer = Duration::new(1, 0);
-        let blobs = verified_receiver.recv_timeout(timer)?;
-        let entries = ledger::reconstruct_entries_from_blobs(&blobs);
-        let res = obj.bank.process_verified_entries(entries);
-        if res.is_err() {
-            error!("process_verified_entries {} {:?}", blobs.len(), res);
-        }
-        res?;
-        for blob in blobs {
-            blob_recycler.recycle(blob);
-        }
-        Ok(())
-    }
-
     /// This service receives messages from a leader in the network and processes the transactions
     /// on the bank state.
     /// # Arguments
@@ -132,14 +111,12 @@ impl Tvu {
             retransmit_sender,
         );
 
-        let tvu = obj.clone();
+        let replicate_stage = ReplicateStage::new(
-        let s_exit = exit.clone();
+            obj.bank.clone(),
-        let t_replicator = spawn(move || loop {
+            exit.clone(),
-            let e = Self::replicate_state(&tvu, &window_receiver, &blob_recycler);
+            window_receiver,
-            if e.is_err() && s_exit.load(Ordering::Relaxed) {
+            blob_recycler.clone(),
-                break;
+        );
-            }
-        });
 
         //serve pipeline
         // make sure we are on the same interface
@@ -178,7 +155,7 @@ impl Tvu {
             t_blob_receiver,
             t_retransmit,
             t_window,
-            t_replicator,
+            replicate_stage.thread_hdl,
             t_gossip,
             t_listen,
             //serve threads
@@ -375,5 +352,4 @@ mod tests {
         t_l_gossip.join().expect("join");
         t_l_listen.join().expect("join");
     }
-
 }