From 5d91ead06c62fd7c3cd846659b935012616ce5ae Mon Sep 17 00:00:00 2001
From: hozan23 <hozan23@proton.me>
Date: Sun, 12 Nov 2023 11:26:38 +0300
Subject: p2p: remove net directory

---
 p2p/src/net/listener.rs | 142 ------------------------------------------------
 1 file changed, 142 deletions(-)
 delete mode 100644 p2p/src/net/listener.rs

(limited to 'p2p/src/net/listener.rs')

diff --git a/p2p/src/net/listener.rs b/p2p/src/net/listener.rs
deleted file mode 100644
index d1a7bfb..0000000
--- a/p2p/src/net/listener.rs
+++ /dev/null
@@ -1,142 +0,0 @@
-use std::{future::Future, sync::Arc};
-
-use log::{error, info, trace};
-
-use karyons_core::{
-    async_utils::{TaskGroup, TaskResult},
-    Executor,
-};
-
-use karyons_net::{listen, Conn, Endpoint, Listener as NetListener};
-
-use crate::{
-    monitor::{ConnEvent, Monitor},
-    Result,
-};
-
-use super::slots::ConnectionSlots;
-
-/// Responsible for creating inbound connections with other peers.
-pub struct Listener {
-    /// Managing spawned tasks.
-    task_group: TaskGroup,
-
-    /// Manages available inbound slots.
-    connection_slots: Arc<ConnectionSlots>,
-
-    /// Responsible for network and system monitoring.
-    monitor: Arc<Monitor>,
-}
-
-impl Listener {
-    /// Creates a new Listener
-    pub fn new(connection_slots: Arc<ConnectionSlots>, monitor: Arc<Monitor>) -> Arc<Self> {
-        Arc::new(Self {
-            connection_slots,
-            task_group: TaskGroup::new(),
-            monitor,
-        })
-    }
-
-    /// Starts a listener on the given `endpoint`. For each incoming connection
-    /// that is accepted, it invokes the provided `callback`, and pass the
-    /// connection to the callback.
-    ///
-    /// Returns the resloved listening endpoint.
-    pub async fn start<'a, Fut>(
-        self: &Arc<Self>,
-        ex: Executor<'a>,
-        endpoint: Endpoint,
-        // https://github.com/rust-lang/rfcs/pull/2132
-        callback: impl FnOnce(Conn) -> Fut + Clone + Send + 'a,
-    ) -> Result<Endpoint>
-    where
-        Fut: Future<Output = Result<()>> + Send + 'a,
-    {
-        let listener = match listen(&endpoint).await {
-            Ok(listener) => {
-                self.monitor
-                    .notify(&ConnEvent::Listening(endpoint.clone()).into())
-                    .await;
-                listener
-            }
-            Err(err) => {
-                error!("Failed to listen on {endpoint}: {err}");
-                self.monitor
-                    .notify(&ConnEvent::ListenFailed(endpoint).into())
-                    .await;
-                return Err(err.into());
-            }
-        };
-
-        let resolved_endpoint = listener.local_endpoint()?;
-
-        info!("Start listening on {endpoint}");
-
-        let selfc = self.clone();
-        self.task_group.spawn(
-            ex.clone(),
-            selfc.listen_loop(ex.clone(), listener, callback),
-            |res| async move {
-                if let TaskResult::Completed(Err(err)) = res {
-                    error!("Listen loop stopped: {endpoint} {err}");
-                }
-            },
-        );
-        Ok(resolved_endpoint)
-    }
-
-    /// Shuts down the listener
-    pub async fn shutdown(&self) {
-        self.task_group.cancel().await;
-    }
-
-    async fn listen_loop<'a, Fut>(
-        self: Arc<Self>,
-        ex: Executor<'a>,
-        listener: Box<dyn NetListener>,
-        callback: impl FnOnce(Conn) -> Fut + Clone + Send + 'a,
-    ) -> Result<()>
-    where
-        Fut: Future<Output = Result<()>> + Send + 'a,
-    {
-        loop {
-            // Wait for an available inbound slot.
-            self.connection_slots.wait_for_slot().await;
-            let result = listener.accept().await;
-
-            let conn = match result {
-                Ok(c) => {
-                    self.monitor
-                        .notify(&ConnEvent::Accepted(c.peer_endpoint()?).into())
-                        .await;
-                    c
-                }
-                Err(err) => {
-                    error!("Failed to accept a new connection: {err}");
-                    self.monitor.notify(&ConnEvent::AcceptFailed.into()).await;
-                    return Err(err.into());
-                }
-            };
-
-            self.connection_slots.add();
-
-            let selfc = self.clone();
-            let endpoint = conn.peer_endpoint()?;
-            let on_disconnect = |res| async move {
-                if let TaskResult::Completed(Err(err)) = res {
-                    trace!("Inbound connection dropped: {err}");
-                }
-                selfc
-                    .monitor
-                    .notify(&ConnEvent::Disconnected(endpoint).into())
-                    .await;
-                selfc.connection_slots.remove().await;
-            };
-
-            let callback = callback.clone();
-            self.task_group
-                .spawn(ex.clone(), callback(conn), on_disconnect);
-        }
-    }
-}
-- 
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