Factor repair from gossip (#8044)

core/src/serve_repair_service.rs

@@ -0,0 +1,57 @@
+use crate::serve_repair::ServeRepair;
+use crate::streamer;
+use solana_ledger::blockstore::Blockstore;
+use solana_perf::recycler::Recycler;
+use std::net::UdpSocket;
+use std::sync::atomic::AtomicBool;
+use std::sync::mpsc::channel;
+use std::sync::{Arc, RwLock};
+use std::thread::{self, JoinHandle};
+
+pub struct ServeRepairService {
+    thread_hdls: Vec<JoinHandle<()>>,
+}
+
+impl ServeRepairService {
+    pub fn new(
+        serve_repair: &Arc<RwLock<ServeRepair>>,
+        blockstore: Option<Arc<Blockstore>>,
+        serve_repair_socket: UdpSocket,
+        exit: &Arc<AtomicBool>,
+    ) -> Self {
+        let (request_sender, request_receiver) = channel();
+        let serve_repair_socket = Arc::new(serve_repair_socket);
+        trace!(
+            "ServeRepairService: id: {}, listening on: {:?}",
+            &serve_repair.read().unwrap().my_info().id,
+            serve_repair_socket.local_addr().unwrap()
+        );
+        let t_receiver = streamer::receiver(
+            serve_repair_socket.clone(),
+            &exit,
+            request_sender,
+            Recycler::default(),
+            "serve_repair_receiver",
+        );
+        let (response_sender, response_receiver) = channel();
+        let t_responder =
+            streamer::responder("serve-repairs", serve_repair_socket, response_receiver);
+        let t_listen = ServeRepair::listen(
+            serve_repair.clone(),
+            blockstore,
+            request_receiver,
+            response_sender,
+            exit,
+        );
+
+        let thread_hdls = vec![t_receiver, t_responder, t_listen];
+        Self { thread_hdls }
+    }
+
+    pub fn join(self) -> thread::Result<()> {
+        for thread_hdl in self.thread_hdls {
+            thread_hdl.join()?;
+        }
+        Ok(())
+    }
+}