//!
//! [`PeerManager`]: lightning::ln::peer_handler::PeerManager
-// Prefix these with `rustdoc::` when we update our MSRV to be >= 1.52 to remove warnings.
-#![deny(broken_intra_doc_links)]
-#![deny(private_intra_doc_links)]
+#![deny(rustdoc::broken_intra_doc_links)]
+#![deny(rustdoc::private_intra_doc_links)]
#![deny(missing_docs)]
#![cfg_attr(docsrs, feature(doc_auto_cfg))]
break Disconnect::CloseConnection;
}
},
- SelectorOutput::B(_) => {},
+ SelectorOutput::B(some) => {
+ // The mpsc Receiver should only return `None` if the write side has been
+ // dropped, but that shouldn't be possible since its referenced by the Self in
+ // `us`.
+ debug_assert!(some.is_some());
+ },
SelectorOutput::C(res) => {
if res.is_err() { break Disconnect::PeerDisconnected; }
match reader.try_read(&mut buf) {
task::RawWakerVTable::new(clone_socket_waker, wake_socket_waker, wake_socket_waker_by_ref, drop_socket_waker);
fn clone_socket_waker(orig_ptr: *const ()) -> task::RawWaker {
- write_avail_to_waker(orig_ptr as *const mpsc::Sender<()>)
+ let new_waker = unsafe { Arc::from_raw(orig_ptr as *const mpsc::Sender<()>) };
+ let res = write_avail_to_waker(&new_waker);
+ // Don't decrement the refcount when dropping new_waker by turning it back `into_raw`.
+ let _ = Arc::into_raw(new_waker);
+ res
}
// When waking, an error should be fine. Most likely we got two send_datas in a row, both of which
// failed to fully write, but we only need to call write_buffer_space_avail() once. Otherwise, the
}
fn wake_socket_waker_by_ref(orig_ptr: *const ()) {
let sender_ptr = orig_ptr as *const mpsc::Sender<()>;
- let sender = unsafe { (*sender_ptr).clone() };
+ let sender = unsafe { &*sender_ptr };
let _ = sender.try_send(());
}
fn drop_socket_waker(orig_ptr: *const ()) {
- let _orig_box = unsafe { Box::from_raw(orig_ptr as *mut mpsc::Sender<()>) };
- // _orig_box is now dropped
+ let _orig_arc = unsafe { Arc::from_raw(orig_ptr as *mut mpsc::Sender<()>) };
+ // _orig_arc is now dropped
}
-fn write_avail_to_waker(sender: *const mpsc::Sender<()>) -> task::RawWaker {
- let new_box = Box::leak(Box::new(unsafe { (*sender).clone() }));
- let new_ptr = new_box as *const mpsc::Sender<()>;
+fn write_avail_to_waker(sender: &Arc<mpsc::Sender<()>>) -> task::RawWaker {
+ let new_ptr = Arc::into_raw(Arc::clone(&sender));
task::RawWaker::new(new_ptr as *const (), &SOCK_WAKER_VTABLE)
}
/// type in the template of PeerHandler.
pub struct SocketDescriptor {
conn: Arc<Mutex<Connection>>,
+ // We store a copy of the mpsc::Sender to wake the read task in an Arc here. While we can
+ // simply clone the sender and store a copy in each waker, that would require allocating for
+ // each waker. Instead, we can simply `Arc::clone`, creating a new reference and store the
+ // pointer in the waker.
+ write_avail_sender: Arc<mpsc::Sender<()>>,
id: u64,
}
impl SocketDescriptor {
fn new(conn: Arc<Mutex<Connection>>) -> Self {
- let id = conn.lock().unwrap().id;
- Self { conn, id }
+ let (id, write_avail_sender) = {
+ let us = conn.lock().unwrap();
+ (us.id, Arc::new(us.write_avail.clone()))
+ };
+ Self { conn, id, write_avail_sender }
}
}
impl peer_handler::SocketDescriptor for SocketDescriptor {
let _ = us.read_waker.try_send(());
}
if data.is_empty() { return 0; }
- let waker = unsafe { task::Waker::from_raw(write_avail_to_waker(&us.write_avail)) };
+ let waker = unsafe { task::Waker::from_raw(write_avail_to_waker(&self.write_avail_sender)) };
let mut ctx = task::Context::from_waker(&waker);
let mut written_len = 0;
loop {
written_len += res;
if written_len == data.len() { return written_len; }
},
+ Err(ref e) if e.kind() == std::io::ErrorKind::WouldBlock => {
+ continue;
+ }
Err(_) => return written_len,
}
},
Self {
conn: Arc::clone(&self.conn),
id: self.id,
+ write_avail_sender: Arc::clone(&self.write_avail_sender),
}
}
}
use lightning::ln::features::*;
use lightning::ln::msgs::*;
use lightning::ln::peer_handler::{MessageHandler, PeerManager};
- use lightning::ln::features::NodeFeatures;
use lightning::routing::gossip::NodeId;
use lightning::events::*;
use lightning::util::test_utils::TestNodeSigner;
pub struct TestLogger();
impl lightning::util::logger::Logger for TestLogger {
- fn log(&self, record: &lightning::util::logger::Record) {
+ fn log(&self, record: lightning::util::logger::Record) {
println!("{:<5} [{} : {}, {}] {}", record.level.to_string(), record.module_path, record.file, record.line, record.args);
}
}
fn handle_channel_update(&self, _their_node_id: &PublicKey, _msg: &ChannelUpdate) {}
fn handle_open_channel_v2(&self, _their_node_id: &PublicKey, _msg: &OpenChannelV2) {}
fn handle_accept_channel_v2(&self, _their_node_id: &PublicKey, _msg: &AcceptChannelV2) {}
+ fn handle_stfu(&self, _their_node_id: &PublicKey, _msg: &Stfu) {}
+ fn handle_splice(&self, _their_node_id: &PublicKey, _msg: &Splice) {}
+ fn handle_splice_ack(&self, _their_node_id: &PublicKey, _msg: &SpliceAck) {}
+ fn handle_splice_locked(&self, _their_node_id: &PublicKey, _msg: &SpliceLocked) {}
fn handle_tx_add_input(&self, _their_node_id: &PublicKey, _msg: &TxAddInput) {}
fn handle_tx_add_output(&self, _their_node_id: &PublicKey, _msg: &TxAddOutput) {}
fn handle_tx_remove_input(&self, _their_node_id: &PublicKey, _msg: &TxRemoveInput) {}
projects / rust-lightning / blobdiff