#[cfg(not(c_bindings))]
use crate::ln::channelmanager::{SimpleArcChannelManager, SimpleRefChannelManager};
use crate::util::ser::{VecWriter, Writeable, Writer};
-use crate::ln::peer_channel_encryptor::{PeerChannelEncryptor,NextNoiseStep};
+use crate::ln::peer_channel_encryptor::{PeerChannelEncryptor, NextNoiseStep, MessageBuf, MSG_BUF_ALLOC_SIZE};
use crate::ln::wire;
use crate::ln::wire::{Encode, Type};
#[cfg(not(c_bindings))]
use crate::prelude::*;
use crate::io;
-use alloc::collections::LinkedList;
+use alloc::collections::VecDeque;
use crate::sync::{Arc, Mutex, MutexGuard, FairRwLock};
use core::sync::atomic::{AtomicBool, AtomicU32, AtomicI32, Ordering};
use core::{cmp, hash, fmt, mem};
their_features: Option<InitFeatures>,
their_socket_address: Option<SocketAddress>,
- pending_outbound_buffer: LinkedList<Vec<u8>>,
+ pending_outbound_buffer: VecDeque<Vec<u8>>,
pending_outbound_buffer_first_msg_offset: usize,
/// Queue gossip broadcasts separately from `pending_outbound_buffer` so we can easily
/// prioritize channel messages over them.
///
/// Note that these messages are *not* encrypted/MAC'd, and are only serialized.
- gossip_broadcast_buffer: LinkedList<Vec<u8>>,
+ gossip_broadcast_buffer: VecDeque<MessageBuf>,
awaiting_write_event: bool,
pending_read_buffer: Vec<u8>,
macro_rules! encode_msg {
($msg: expr) => {{
- let mut buffer = VecWriter(Vec::new());
+ let mut buffer = VecWriter(Vec::with_capacity(MSG_BUF_ALLOC_SIZE));
wire::write($msg, &mut buffer).unwrap();
buffer.0
}}
their_features: None,
their_socket_address: remote_network_address,
- pending_outbound_buffer: LinkedList::new(),
+ pending_outbound_buffer: VecDeque::new(),
pending_outbound_buffer_first_msg_offset: 0,
- gossip_broadcast_buffer: LinkedList::new(),
+ gossip_broadcast_buffer: VecDeque::new(),
awaiting_write_event: false,
pending_read_buffer,
their_features: None,
their_socket_address: remote_network_address,
- pending_outbound_buffer: LinkedList::new(),
+ pending_outbound_buffer: VecDeque::new(),
pending_outbound_buffer_first_msg_offset: 0,
- gossip_broadcast_buffer: LinkedList::new(),
+ gossip_broadcast_buffer: VecDeque::new(),
awaiting_write_event: false,
pending_read_buffer,
}
if peer.should_buffer_gossip_broadcast() {
if let Some(msg) = peer.gossip_broadcast_buffer.pop_front() {
- peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_buffer(&msg[..]));
+ peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_buffer(msg));
}
}
if peer.should_buffer_gossip_backfill() {
if peer.pending_outbound_buffer_first_msg_offset == next_buff.len() {
peer.pending_outbound_buffer_first_msg_offset = 0;
peer.pending_outbound_buffer.pop_front();
+ const VEC_SIZE: usize = ::core::mem::size_of::<Vec<u8>>();
+ let large_capacity = peer.pending_outbound_buffer.capacity() > 4096 / VEC_SIZE;
+ let lots_of_slack = peer.pending_outbound_buffer.len()
+ < peer.pending_outbound_buffer.capacity() / 2;
+ if large_capacity && lots_of_slack {
+ peer.pending_outbound_buffer.shrink_to_fit();
+ }
} else {
peer.awaiting_write_event = true;
}
}
/// Append a message to a peer's pending outbound/write gossip broadcast buffer
- fn enqueue_encoded_gossip_broadcast(&self, peer: &mut Peer, encoded_message: Vec<u8>) {
+ fn enqueue_encoded_gossip_broadcast(&self, peer: &mut Peer, encoded_message: MessageBuf) {
peer.msgs_sent_since_pong += 1;
+ debug_assert!(peer.gossip_broadcast_buffer.len() <= OUTBOUND_BUFFER_LIMIT_DROP_GOSSIP);
peer.gossip_broadcast_buffer.push_back(encoded_message);
}
}
peer.pending_read_is_header = false;
} else {
- let msg_data = try_potential_handleerror!(peer,
- peer.channel_encryptor.decrypt_message(&peer.pending_read_buffer[..]));
- assert!(msg_data.len() >= 2);
+ debug_assert!(peer.pending_read_buffer.len() >= 2 + 16);
+ try_potential_handleerror!(peer,
+ peer.channel_encryptor.decrypt_message(&mut peer.pending_read_buffer[..]));
+
+ let mut reader = io::Cursor::new(&peer.pending_read_buffer[..peer.pending_read_buffer.len() - 16]);
+ let message_result = wire::read(&mut reader, &*self.message_handler.custom_message_handler);
// Reset read buffer
if peer.pending_read_buffer.capacity() > 8192 { peer.pending_read_buffer = Vec::new(); }
peer.pending_read_buffer.resize(18, 0);
peer.pending_read_is_header = true;
- let mut reader = io::Cursor::new(&msg_data[..]);
- let message_result = wire::read(&mut reader, &*self.message_handler.custom_message_handler);
let message = match message_result {
Ok(x) => x,
Err(e) => {
if except_node.is_some() && peer.their_node_id.as_ref().map(|(pk, _)| pk) == except_node {
continue;
}
- self.enqueue_encoded_gossip_broadcast(&mut *peer, encoded_msg.clone());
+ self.enqueue_encoded_gossip_broadcast(&mut *peer, MessageBuf::from_encoded(&encoded_msg));
}
},
wire::Message::NodeAnnouncement(ref msg) => {
if except_node.is_some() && peer.their_node_id.as_ref().map(|(pk, _)| pk) == except_node {
continue;
}
- self.enqueue_encoded_gossip_broadcast(&mut *peer, encoded_msg.clone());
+ self.enqueue_encoded_gossip_broadcast(&mut *peer, MessageBuf::from_encoded(&encoded_msg));
}
},
wire::Message::ChannelUpdate(ref msg) => {
if except_node.is_some() && peer.their_node_id.as_ref().map(|(pk, _)| pk) == except_node {
continue;
}
- self.enqueue_encoded_gossip_broadcast(&mut *peer, encoded_msg.clone());
+ self.enqueue_encoded_gossip_broadcast(&mut *peer, MessageBuf::from_encoded(&encoded_msg));
}
},
_ => debug_assert!(false, "We shouldn't attempt to forward anything but gossip messages"),
projects / rust-lightning / blobdiff