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more refactor, not quite done.

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This commit is contained in:
John Smith 2022-01-03 23:58:26 -05:00
parent 55a44e0c8f
commit e32984a5aa
19 changed files with 318 additions and 339 deletions
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9
Cargo.lock generated
View File

@ -225,6 +225,12 @@ dependencies = [
"winapi",
]
[[package]]
name = "async-lock"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1ab86ee898bb6d5d0118270acaa8536c59885231ca6f653b4c35a148f8ee6235"
[[package]]
name = "async-lock"
version = "2.4.0"
@ -270,7 +276,7 @@ dependencies = [
"async-channel",
"async-global-executor",
"async-io",
"async-lock",
"async-lock 2.4.0",
"async-process",
"crossbeam-utils",
"futures-channel",
@ -3743,6 +3749,7 @@ version = "0.1.0"
dependencies = [
"android_logger",
"anyhow",
"async-lock 0.1.0",
"async-std",
"async-tls",
"async-tungstenite 0.16.0",

9
veilid-core/Cargo.toml
View File

@ -86,15 +86,16 @@ serde_cbor = { version = "^0", default-features = false, features = ["alloc"] }
getrandom = { version = "^0", features = ["js"] }
ws_stream_wasm = "^0"
async_executors = { version = "^0", features = [ "bindgen" ]}
async-lock = "^0"
# Configuration for WASM32 'web-sys' crate
[target.'cfg(target_arch = "wasm32")'.dependencies.web-sys]
version = "^0"
features = [
# 'Document',
# 'Element',
# 'HtmlElement',
# 'Node',
# 'Document',
# 'Element',
# 'HtmlElement',
# 'Node',
'IdbFactory',
'IdbOpenDbRequest',
'Storage',

175
veilid-core/src/connection_manager.rs
View File

@ -1,5 +1,6 @@
use crate::connection_table::*;
use crate::intf::*;
use crate::network_connection::*;
use crate::network_manager::*;
use crate::xx::*;
use crate::*;
@ -8,73 +9,10 @@ use futures_util::stream::{FuturesUnordered, StreamExt};
const CONNECTION_PROCESSOR_CHANNEL_SIZE: usize = 128usize;
///////////////////////////////////////////////////////////
// Accept
cfg_if! {
if #[cfg(not(target_arch = "wasm32"))] {
use async_std::net::*;
use utils::async_peek_stream::*;
pub trait ProtocolAcceptHandler: ProtocolAcceptHandlerClone + Send + Sync {
fn on_accept(
&self,
stream: AsyncPeekStream,
peer_addr: SocketAddr,
) -> SystemPinBoxFuture<Result<Option<NetworkConnection>, String>>;
}
pub trait ProtocolAcceptHandlerClone {
fn clone_box(&self) -> Box<dyn ProtocolAcceptHandler>;
}
impl<T> ProtocolAcceptHandlerClone for T
where
T: 'static + ProtocolAcceptHandler + Clone,
{
fn clone_box(&self) -> Box<dyn ProtocolAcceptHandler> {
Box::new(self.clone())
}
}
impl Clone for Box<dyn ProtocolAcceptHandler> {
fn clone(&self) -> Box<dyn ProtocolAcceptHandler> {
self.clone_box()
}
}
pub type NewProtocolAcceptHandler =
dyn Fn(VeilidConfig, bool, SocketAddr) -> Box<dyn ProtocolAcceptHandler> + Send;
}
}
///////////////////////////////////////////////////////////
// Dummy network connection for testing
#[derive(Debug, Clone, PartialEq, Eq)]
pub struct DummyNetworkConnection {
descriptor: ConnectionDescriptor,
}
impl DummyNetworkConnection {
pub fn new(descriptor: ConnectionDescriptor) -> Self {
Self { descriptor }
}
pub fn connection_descriptor(&self) -> ConnectionDescriptor {
self.descriptor.clone()
}
pub async fn send(&self, _message: Vec<u8>) -> Result<(), String> {
Ok(())
}
pub async fn recv(&self) -> Result<Vec<u8>, String> {
Ok(Vec::new())
}
}
///////////////////////////////////////////////////////////
// Connection manager
pub struct ConnectionManagerInner {
network_manager: NetworkManager,
struct ConnectionManagerInner {
connection_table: ConnectionTable,
connection_processor_jh: Option<JoinHandle<()>>,
connection_add_channel_tx: Option<utils::channel::Sender<SystemPinBoxFuture<()>>>,
@ -88,75 +26,98 @@ impl core::fmt::Debug for ConnectionManagerInner {
}
}
#[derive(Clone)]
pub struct ConnectionManager {
inner: Arc<Mutex<ConnectionManagerInner>>,
struct ConnectionManagerArc {
network_manager: NetworkManager,
inner: AsyncMutex<ConnectionManagerInner>,
}
impl core::fmt::Debug for ConnectionManager {
impl core::fmt::Debug for ConnectionManagerArc {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
f.debug_struct("ConnectionManager")
.field("inner", &*self.inner.lock())
f.debug_struct("ConnectionManagerArc")
.field("inner", &self.inner)
.finish()
}
}
#[derive(Debug, Clone)]
pub struct ConnectionManager {
arc: Arc<ConnectionManagerArc>,
}
impl ConnectionManager {
fn new_inner(network_manager: NetworkManager) -> ConnectionManagerInner {
fn new_inner() -> ConnectionManagerInner {
ConnectionManagerInner {
network_manager,
connection_table: ConnectionTable::new(),
connection_processor_jh: None,
connection_add_channel_tx: None,
}
}
fn new_arc(network_manager: NetworkManager) -> ConnectionManagerArc {
ConnectionManagerArc {
network_manager,
inner: AsyncMutex::new(Self::new_inner()),
}
}
pub fn new(network_manager: NetworkManager) -> Self {
Self {
inner: Arc::new(Mutex::new(Self::new_inner(network_manager))),
arc: Arc::new(Self::new_arc(network_manager)),
}
}
pub fn network_manager(&self) -> NetworkManager {
self.inner.lock().network_manager.clone()
self.arc.network_manager.clone()
}
pub async fn startup(&self) {
let mut inner = self.arc.inner.lock().await;
let cac = utils::channel::channel(CONNECTION_PROCESSOR_CHANNEL_SIZE); // xxx move to config
self.inner.lock().connection_add_channel_tx = Some(cac.0);
inner.connection_add_channel_tx = Some(cac.0);
let rx = cac.1.clone();
let this = self.clone();
self.inner.lock().connection_processor_jh = Some(spawn(this.connection_processor(rx)));
inner.connection_processor_jh = Some(spawn(this.connection_processor(rx)));
}
pub async fn shutdown(&self) {
*self.inner.lock() = Self::new_inner(self.network_manager());
*self.arc.inner.lock().await = Self::new_inner();
}
// Returns a network connection if one already is established
pub fn get_connection(&self, descriptor: &ConnectionDescriptor) -> Option<NetworkConnection> {
self.inner
.lock()
.connection_table
.get_connection(descriptor)
.map(|e| e.conn)
pub async fn get_connection(
&self,
descriptor: &ConnectionDescriptor,
) -> Option<NetworkConnection> {
let inner = self.arc.inner.lock().await;
inner.connection_table.get_connection(descriptor)
}
// Internal routine to register new connection
async fn on_new_connection_internal(
&self,
mut inner: AsyncMutexGuard<'_, ConnectionManagerInner>,
conn: NetworkConnection,
) -> Result<(), String> {
let tx = inner
.connection_add_channel_tx
.as_ref()
.ok_or_else(fn_string!("connection channel isn't open yet"))?
.clone();
let receiver_loop_future = Self::process_connection(self.clone(), conn.clone());
tx.try_send(receiver_loop_future)
.await
.map_err(map_to_string)
.map_err(logthru_net!(error "failed to start receiver loop"))?;
// If the receiver loop started successfully,
// add the new connection to the table
inner.connection_table.add_connection(conn)
}
// Called by low-level network when any connection-oriented protocol connection appears
// either from incoming or outgoing connections. Registers connection in the connection table for later access
// and spawns a message processing loop for the connection
pub async fn on_new_connection(&self, conn: NetworkConnection) -> Result<(), String> {
let tx = self
.inner
.lock()
.connection_add_channel_tx
.as_ref()
.ok_or_else(fn_string!("connection channel isn't open yet"))?
.clone();
let receiver_loop_future = Self::process_connection(self.clone(), conn);
tx.try_send(receiver_loop_future)
.await
.map_err(map_to_string)
.map_err(logthru_net!(error "failed to start receiver loop"))
let inner = self.arc.inner.lock().await;
self.on_new_connection_internal(inner, conn).await
}
pub async fn get_or_create_connection(
@ -173,9 +134,9 @@ impl ConnectionManager {
};
// If connection exists, then return it
if let Some(conn) = self
.inner
.lock()
let inner = self.arc.inner.lock().await;
if let Some(conn) = inner
.connection_table
.get_connection(&descriptor)
.map(|e| e.conn)
@ -186,7 +147,7 @@ impl ConnectionManager {
// If not, attempt new connection
let conn = NetworkConnection::connect(local_addr, dial_info).await?;
self.on_new_connection(conn.clone()).await?;
self.on_new_connection_internal(inner, conn).await;
Ok(conn)
}
@ -198,20 +159,6 @@ impl ConnectionManager {
) -> SystemPinBoxFuture<()> {
let network_manager = this.network_manager();
Box::pin(async move {
// Add new connections to the table
let entry = match this
.inner
.lock()
.connection_table
.add_connection(conn.clone())
{
Ok(e) => e,
Err(err) => {
error!(target: "net", "{}", err);
return;
}
};
//
let exit_value: Result<Vec<u8>, ()> = Err(());
let descriptor = conn.connection_descriptor();

35
veilid-core/src/connection_table.rs
View File

@ -1,37 +1,11 @@
use crate::intf::*;
use crate::network_connection::*;
use crate::xx::*;
use crate::*;
#[derive(Clone, Debug)]
pub struct ConnectionTableEntry {
pub conn: NetworkConnection,
pub established_time: u64,
pub last_message_sent_time: Option<u64>,
pub last_message_recv_time: Option<u64>,
pub stopper: Eventual,
}
impl PartialEq for ConnectionTableEntry {
fn eq(&self, other: &ConnectionTableEntry) -> bool {
if self.conn != other.conn {
return false;
}
if self.established_time != other.established_time {
return false;
}
if self.last_message_sent_time != other.last_message_sent_time {
return false;
}
if self.last_message_recv_time != other.last_message_recv_time {
return false;
}
true
}
}
#[derive(Debug)]
pub struct ConnectionTable {
conn_by_addr: BTreeMap<ConnectionDescriptor, ConnectionTableEntry>,
conn_by_addr: BTreeMap<ConnectionDescriptor, NetworkConnection>,
}
impl ConnectionTable {
@ -41,10 +15,7 @@ impl ConnectionTable {
}
}
pub fn add_connection(
&mut self,
conn: NetworkConnection,
) -> Result<ConnectionTableEntry, String> {
pub fn add_connection(&mut self, conn: NetworkConnection) -> Result<(), String> {
let descriptor = conn.connection_descriptor();
assert_ne!(

2
veilid-core/src/intf/native/network/mod.rs
View File

@ -301,7 +301,7 @@ impl Network {
}
// Handle connection-oriented protocols
if let Some(conn) = self.connection_manager().get_connection(descriptor) {
if let Some(conn) = self.connection_manager().get_connection(descriptor).await {
// connection exists, send over it
conn.send(data).await.map_err(logthru_net!())?;

2
veilid-core/src/intf/native/network/network_tcp.rs
View File

@ -1,6 +1,6 @@
use super::*;
use crate::connection_manager::*;
use crate::intf::*;
use crate::network_connection::*;
use utils::clone_stream::*;
use async_tls::TlsAcceptor;

32
veilid-core/src/intf/native/network/protocol/mod.rs
View File

@ -3,13 +3,13 @@ pub mod udp;
pub mod wrtc;
pub mod ws;
use crate::connection_manager::*;
use crate::network_connection::*;
use crate::xx::*;
use crate::*;
use socket2::{Domain, Protocol, Socket, Type};
#[derive(Clone, Debug, PartialEq, Eq)]
pub enum NetworkConnection {
#[derive(Debug)]
pub enum ProtocolNetworkConnection {
Dummy(DummyNetworkConnection),
RawTcp(tcp::RawTcpNetworkConnection),
WsAccepted(ws::WebSocketNetworkConnectionAccepted),
@ -18,7 +18,7 @@ pub enum NetworkConnection {
//WebRTC(wrtc::WebRTCNetworkConnection),
}
impl NetworkConnection {
impl ProtocolNetworkConnection {
pub async fn connect(
local_address: Option<SocketAddr>,
dial_info: DialInfo,
@ -35,11 +35,8 @@ impl NetworkConnection {
}
}
}
pub async fn send_unbound_message(
&self,
dial_info: &DialInfo,
data: Vec<u8>,
) -> Result<(), String> {
pub async fn send_unbound_message(dial_info: &DialInfo, data: Vec<u8>) -> Result<(), String> {
match dial_info.protocol_type() {
ProtocolType::UDP => {
let peer_socket_addr = dial_info.to_socket_addr();
@ -59,27 +56,18 @@ impl NetworkConnection {
}
}
pub fn connection_descriptor(&self) -> ConnectionDescriptor {
pub async fn send(&mut self, message: Vec<u8>) -> Result<(), String> {
match self {
Self::Dummy(d) => d.connection_descriptor(),
Self::RawTcp(t) => t.connection_descriptor(),
Self::WsAccepted(w) => w.connection_descriptor(),
Self::Ws(w) => w.connection_descriptor(),
Self::Wss(w) => w.connection_descriptor(),
}
}
pub async fn send(&self, message: Vec<u8>) -> Result<(), String> {
match self {
Self::Dummy(d) => d.send(message).await,
Self::Dummy(d) => d.send(message),
Self::RawTcp(t) => t.send(message).await,
Self::WsAccepted(w) => w.send(message).await,
Self::Ws(w) => w.send(message).await,
Self::Wss(w) => w.send(message).await,
}
}
pub async fn recv(&self) -> Result<Vec<u8>, String> {
pub async fn recv(&mut self) -> Result<Vec<u8>, String> {
match self {
Self::Dummy(d) => d.recv().await,
Self::Dummy(d) => d.recv(),
Self::RawTcp(t) => t.recv().await,
Self::WsAccepted(w) => w.recv().await,
Self::Ws(w) => w.recv().await,

66
veilid-core/src/intf/native/network/protocol/tcp.rs
View File

@ -5,79 +5,46 @@ use crate::network_manager::MAX_MESSAGE_SIZE;
use crate::*;
use async_std::net::*;
use async_std::prelude::*;
use async_std::sync::Mutex as AsyncMutex;
use std::fmt;
struct RawTcpNetworkConnectionInner {
stream: AsyncPeekStream,
}
#[derive(Clone)]
pub struct RawTcpNetworkConnection {
inner: Arc<AsyncMutex<RawTcpNetworkConnectionInner>>,
connection_descriptor: ConnectionDescriptor,
stream: AsyncPeekStream,
}
impl fmt::Debug for RawTcpNetworkConnection {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.debug_struct("RawTCPNetworkConnection")
.field("connection_descriptor", &self.connection_descriptor)
.finish()
f.debug_struct("RawTCPNetworkConnection").finish()
}
}
impl PartialEq for RawTcpNetworkConnection {
fn eq(&self, other: &Self) -> bool {
Arc::as_ptr(&self.inner) == Arc::as_ptr(&other.inner)
}
}
impl Eq for RawTcpNetworkConnection {}
impl RawTcpNetworkConnection {
fn new_inner(stream: AsyncPeekStream) -> RawTcpNetworkConnectionInner {
RawTcpNetworkConnectionInner { stream }
pub fn new(stream: AsyncPeekStream) -> Self {
Self { stream }
}
pub fn new(stream: AsyncPeekStream, connection_descriptor: ConnectionDescriptor) -> Self {
Self {
inner: Arc::new(AsyncMutex::new(Self::new_inner(stream))),
connection_descriptor,
}
}
pub fn connection_descriptor(&self) -> ConnectionDescriptor {
self.connection_descriptor.clone()
}
pub async fn send(&self, message: Vec<u8>) -> Result<(), String> {
pub async fn send(&mut self, message: Vec<u8>) -> Result<(), String> {
if message.len() > MAX_MESSAGE_SIZE {
return Err("sending too large TCP message".to_owned());
}
let len = message.len() as u16;
let header = [b'V', b'L', len as u8, (len >> 8) as u8];
let mut inner = self.inner.lock().await;
inner
.stream
self.stream
.write_all(&header)
.await
.map_err(map_to_string)
.map_err(logthru_net!())?;
inner
.stream
self.stream
.write_all(&message)
.await
.map_err(map_to_string)
.map_err(logthru_net!())
}
pub async fn recv(&self) -> Result<Vec<u8>, String> {
pub async fn recv(&mut self) -> Result<Vec<u8>, String> {
let mut header = [0u8; 4];
let mut inner = self.inner.lock().await;
inner
.stream
self.stream
.read_exact(&mut header)
.await
.map_err(|e| format!("TCP recv error: {}", e))?;
@ -90,8 +57,7 @@ impl RawTcpNetworkConnection {
}
let mut out: Vec<u8> = vec![0u8; len];
inner
.stream
self.stream
.read_exact(&mut out)
.await
.map_err(map_to_string)?;
@ -143,10 +109,10 @@ impl RawTcpProtocolHandler {
ProtocolType::TCP,
);
let local_address = self.inner.lock().local_address;
let conn = NetworkConnection::RawTcp(RawTcpNetworkConnection::new(
stream,
let conn = NetworkConnection::from_protocol(
ConnectionDescriptor::new(peer_addr, SocketAddress::from_socket_addr(local_address)),
));
ProtocolNetworkConnection::RawTcp(RawTcpNetworkConnection::new(stream)),
);
Ok(Some(conn))
}
@ -182,13 +148,13 @@ impl RawTcpProtocolHandler {
let ps = AsyncPeekStream::new(ts);
// Wrap the stream in a network connection and return it
let conn = NetworkConnection::RawTcp(RawTcpNetworkConnection::new(
ps,
let conn = NetworkConnection::from_protocol(
ConnectionDescriptor {
local: Some(SocketAddress::from_socket_addr(actual_local_address)),
remote: dial_info.to_peer_address(),
},
));
ProtocolNetworkConnection::RawTcp(RawTcpNetworkConnection::new(ps)),
);
Ok(conn)
}

25
veilid-core/src/intf/native/network/protocol/udp.rs
View File

@ -3,32 +3,21 @@ use crate::network_manager::MAX_MESSAGE_SIZE;
use crate::*;
use async_std::net::*;
struct RawUdpProtocolHandlerInner {
#[derive(Clone)]
pub struct RawUdpProtocolHandler {
socket: Arc<UdpSocket>,
}
#[derive(Clone)]
pub struct RawUdpProtocolHandler {
inner: Arc<Mutex<RawUdpProtocolHandlerInner>>,
}
impl RawUdpProtocolHandler {
fn new_inner(socket: Arc<UdpSocket>) -> RawUdpProtocolHandlerInner {
RawUdpProtocolHandlerInner { socket }
}
pub fn new(socket: Arc<UdpSocket>) -> Self {
Self {
inner: Arc::new(Mutex::new(Self::new_inner(socket))),
}
Self { socket }
}
pub async fn recv_message(
&self,
data: &mut [u8],
) -> Result<(usize, ConnectionDescriptor), String> {
let socket = self.inner.lock().socket.clone();
let (size, remote_addr) = socket.recv_from(data).await.map_err(map_to_string)?;
let (size, remote_addr) = self.socket.recv_from(data).await.map_err(map_to_string)?;
if size > MAX_MESSAGE_SIZE {
return Err("received too large UDP message".to_owned());
@ -45,7 +34,7 @@ impl RawUdpProtocolHandler {
SocketAddress::from_socket_addr(remote_addr),
ProtocolType::UDP,
);
let local_socket_addr = socket.local_addr().map_err(map_to_string)?;
let local_socket_addr = self.socket.local_addr().map_err(map_to_string)?;
let descriptor = ConnectionDescriptor::new(
peer_addr,
SocketAddress::from_socket_addr(local_socket_addr),
@ -64,8 +53,8 @@ impl RawUdpProtocolHandler {
socket_addr
);
let socket = self.inner.lock().socket.clone();
let len = socket
let len = self
.socket
.send_to(&data, socket_addr)
.await
.map_err(map_to_string)

76
veilid-core/src/intf/native/network/protocol/ws.rs
View File

@ -5,7 +5,6 @@ use crate::network_manager::MAX_MESSAGE_SIZE;
use crate::*;
use async_std::io;
use async_std::net::*;
use async_std::sync::Mutex as AsyncMutex;
use async_tls::TlsConnector;
use async_tungstenite::tungstenite::protocol::Message;
use async_tungstenite::{accept_async, client_async, WebSocketStream};
@ -32,7 +31,6 @@ where
T: io::Read + io::Write + Send + Unpin + 'static,
{
tls: bool,
connection_descriptor: ConnectionDescriptor,
inner: Arc<AsyncMutex<WebSocketNetworkConnectionInner<T>>>,
}
@ -43,7 +41,6 @@ where
fn clone(&self) -> Self {
Self {
tls: self.tls,
connection_descriptor: self.connection_descriptor.clone(),
inner: self.inner.clone(),
}
}
@ -58,41 +55,19 @@ where
}
}
impl<T> PartialEq for WebsocketNetworkConnection<T>
where
T: io::Read + io::Write + Send + Unpin + 'static,
{
fn eq(&self, other: &Self) -> bool {
self.tls == other.tls
&& self.connection_descriptor == other.connection_descriptor
&& Arc::as_ptr(&self.inner) == Arc::as_ptr(&other.inner)
}
}
impl<T> Eq for WebsocketNetworkConnection<T> where T: io::Read + io::Write + Send + Unpin + 'static {}
impl<T> WebsocketNetworkConnection<T>
where
T: io::Read + io::Write + Send + Unpin + 'static,
{
pub fn new(
tls: bool,
connection_descriptor: ConnectionDescriptor,
ws_stream: WebSocketStream<T>,
) -> Self {
pub fn new(tls: bool, ws_stream: WebSocketStream<T>) -> Self {
Self {
tls,
connection_descriptor,
inner: Arc::new(AsyncMutex::new(WebSocketNetworkConnectionInner {
ws_stream,
})),
}
}
pub fn connection_descriptor(&self) -> ConnectionDescriptor {
self.connection_descriptor.clone()
}
pub async fn send(&self, message: Vec<u8>) -> Result<(), String> {
if message.len() > MAX_MESSAGE_SIZE {
return Err("received too large WS message".to_owned());
@ -130,7 +105,7 @@ where
///////////////////////////////////////////////////////////
///
struct WebsocketProtocolHandlerInner {
struct WebsocketProtocolHandlerArc {
tls: bool,
local_address: SocketAddr,
request_path: Vec<u8>,
@ -142,7 +117,7 @@ pub struct WebsocketProtocolHandler
where
Self: ProtocolAcceptHandler,
{
inner: Arc<WebsocketProtocolHandlerInner>,
arc: Arc<WebsocketProtocolHandlerArc>,
}
impl WebsocketProtocolHandler {
pub fn new(config: VeilidConfig, tls: bool, local_address: SocketAddr) -> Self {
@ -158,14 +133,13 @@ impl WebsocketProtocolHandler {
c.network.connection_initial_timeout
};
let inner = WebsocketProtocolHandlerInner {
Self {
arc: Arc::new(WebsocketProtocolHandlerArc {
tls,
local_address,
request_path: path.as_bytes().to_vec(),
connection_initial_timeout,
};
Self {
inner: Arc::new(inner),
}),
}
}
@ -174,10 +148,10 @@ impl WebsocketProtocolHandler {
ps: AsyncPeekStream,
socket_addr: SocketAddr,
) -> Result<Option<NetworkConnection>, String> {
let request_path_len = self.inner.request_path.len() + 2;
let request_path_len = self.arc.request_path.len() + 2;
let mut peekbuf: Vec<u8> = vec![0u8; request_path_len];
match io::timeout(
Duration::from_micros(self.inner.connection_initial_timeout),
Duration::from_micros(self.arc.connection_initial_timeout),
ps.peek_exact(&mut peekbuf),
)
.await
@ -191,7 +165,7 @@ impl WebsocketProtocolHandler {
}
}
// Check for websocket path
let matches_path = &peekbuf[0..request_path_len - 2] == self.inner.request_path.as_slice()
let matches_path = &peekbuf[0..request_path_len - 2] == self.arc.request_path.as_slice()
&& (peekbuf[request_path_len - 2] == b' '
|| (peekbuf[request_path_len - 2] == b'/'
&& peekbuf[request_path_len - 1] == b' '));
@ -208,7 +182,7 @@ impl WebsocketProtocolHandler {
.map_err(logthru_net!("failed websockets handshake"))?;
// Wrap the websocket in a NetworkConnection and register it
let protocol_type = if self.inner.tls {
let protocol_type = if self.arc.tls {
ProtocolType::WSS
} else {
ProtocolType::WS
@ -217,14 +191,16 @@ impl WebsocketProtocolHandler {
let peer_addr =
PeerAddress::new(SocketAddress::from_socket_addr(socket_addr), protocol_type);
let conn = NetworkConnection::WsAccepted(WebsocketNetworkConnection::new(
self.inner.tls,
let conn = NetworkConnection::from_protocol(
ConnectionDescriptor::new(
peer_addr,
SocketAddress::from_socket_addr(self.inner.local_address),
SocketAddress::from_socket_addr(self.arc.local_address),
),
ProtocolNetworkConnection::WsAccepted(WebsocketNetworkConnection::new(
self.arc.tls,
ws_stream,
));
)),
);
Ok(Some(conn))
}
@ -271,7 +247,7 @@ impl WebsocketProtocolHandler {
.map_err(logthru_net!())?;
// Make our connection descriptor
let connection_descriptor = ConnectionDescriptor {
let descriptor = ConnectionDescriptor {
local: Some(SocketAddress::from_socket_addr(actual_local_addr)),
remote: dial_info.to_peer_address(),
};
@ -288,21 +264,19 @@ impl WebsocketProtocolHandler {
.map_err(map_to_string)
.map_err(logthru_net!(error))?;
Ok(NetworkConnection::Wss(WebsocketNetworkConnection::new(
tls,
connection_descriptor,
ws_stream,
)))
Ok(NetworkConnection::from_protocol(
descriptor,
ProtocolNetworkConnection::Wss(WebsocketNetworkConnection::new(tls, ws_stream)),
))
} else {
let (ws_stream, _response) = client_async(request, tcp_stream)
.await
.map_err(map_to_string)
.map_err(logthru_net!(error))?;
Ok(NetworkConnection::Ws(WebsocketNetworkConnection::new(
tls,
connection_descriptor,
ws_stream,
)))
Ok(NetworkConnection::from_protocol(
descriptor,
ProtocolNetworkConnection::Ws(WebsocketNetworkConnection::new(tls, ws_stream)),
))
}
}

19
veilid-core/src/intf/wasm/network/protocol/mod.rs
View File

@ -5,14 +5,14 @@ use crate::connection_manager::*;
use crate::veilid_api::ProtocolType;
use crate::xx::*;
#[derive(Clone, Debug, PartialEq, Eq)]
pub enum NetworkConnection {
#[derive(Debug)]
pub enum ProtocolNetworkConnection {
Dummy(DummyNetworkConnection),
WS(ws::WebsocketNetworkConnection),
//WebRTC(wrtc::WebRTCNetworkConnection),
}
impl NetworkConnection {
impl ProtocolNetworkConnection {
pub async fn connect(
local_address: Option<SocketAddr>,
dial_info: DialInfo,
@ -31,7 +31,6 @@ impl NetworkConnection {
}
pub async fn send_unbound_message(
&self,
dial_info: &DialInfo,
data: Vec<u8>,
) -> Result<(), String> {
@ -48,17 +47,17 @@ impl NetworkConnection {
}
}
pub async fn send(&self, message: Vec<u8>) -> Result<(), String> {
pub async fn send(&mut self, message: Vec<u8>) -> Result<(), String> {
match self {
Self::Dummy(d) => d.send(message).await,
Self::WS(w) => w.send(message).await,
Self::Dummy(d) => d.send(message),
Self::WS(w) => w.send(message),
}
}
pub async fn recv(&self) -> Result<Vec<u8>, String> {
pub async fn recv(&mut self) -> Result<Vec<u8>, String> {
match self {
Self::Dummy(d) => d.recv().await,
Self::WS(w) => w.recv().await,
Self::Dummy(d) => d.recv(),
Self::WS(w) => w.recv(),
}
}
}

23
veilid-core/src/intf/wasm/network/protocol/ws.rs
View File

@ -14,7 +14,6 @@ struct WebsocketNetworkConnectionInner {
#[derive(Clone)]
pub struct WebsocketNetworkConnection {
tls: bool,
connection_descriptor: ConnectionDescriptor,
inner: Arc<Mutex<WebsocketNetworkConnectionInner>>,
}
@ -24,20 +23,11 @@ impl fmt::Debug for WebsocketNetworkConnection {
}
}
impl PartialEq for WebsocketNetworkConnection {
fn eq(&self, other: &Self) -> bool {
self.tls == other.tls && Arc::as_ptr(&self.inner) == Arc::as_ptr(&other.inner)
}
}
impl Eq for WebsocketNetworkConnection {}
impl WebsocketNetworkConnection {
pub fn new(tls: bool, connection_descriptor: ConnectionDescriptor, ws_stream: WsStream) -> Self {
pub fn new(tls: bool, ws_stream: WsStream) -> Self {
let ws = ws_stream.wrapped().clone();
Self {
tls,
connection_descriptor,
inner: Arc::new(Mutex::new(WebsocketNetworkConnectionInner {
ws_stream,
ws,
@ -45,11 +35,10 @@ impl WebsocketNetworkConnection {
}
}
pub fn connection_descriptor(&self) -> ConnectionDescriptor {
self.connection_descriptor.clone()
}
xxx convert this to async and use stream api not low level websocket
xxx implement close() everywhere and skip using eventual for loop shutdown
pub async fn send(&self, message: Vec<u8>) -> Result<(), String> {
pub fn send(&self, message: Vec<u8>) -> Result<(), String> {
if message.len() > MAX_MESSAGE_SIZE {
return Err("sending too large WS message".to_owned()).map_err(logthru_net!(error));
}
@ -60,7 +49,7 @@ impl WebsocketNetworkConnection {
.map_err(|_| "failed to send to websocket".to_owned())
.map_err(logthru_net!(error))
}
pub async fn recv(&self) -> Result<Vec<u8>, String> {
pub fn recv(&self) -> Result<Vec<u8>, String> {
let out = match self.inner.lock().ws_stream.next().await {
Some(WsMessage::Binary(v)) => v,
Some(_) => {
@ -123,7 +112,7 @@ impl WebsocketProtocolHandler {
remote: dial_info.to_peer_address(),
};
Ok(NetworkConnection::WS(WebsocketNetworkConnection::new(tls, connection_descriptor, wsio)))
Ok(NetworkConnection::from_protocol(descriptor,ProtocolNetworkConnection::WS(WebsocketNetworkConnection::new(tls, wsio))))
}
pub async fn send_unbound_message(dial_info: &DialInfo, data: Vec<u8>) -> Result<(), String> {

1
veilid-core/src/lib.rs
View File

@ -12,6 +12,7 @@ mod connection_table;
mod dht;
mod intf;
mod lease_manager;
mod network_connection;
mod network_manager;
mod receipt_manager;
mod routing_table;

139
veilid-core/src/network_connection.rs Normal file
View File

@ -0,0 +1,139 @@
use crate::intf::*;
use crate::xx::*;
use crate::*;
///////////////////////////////////////////////////////////
// Accept
cfg_if! {
if #[cfg(not(target_arch = "wasm32"))] {
use async_std::net::*;
use utils::async_peek_stream::*;
pub trait ProtocolAcceptHandler: ProtocolAcceptHandlerClone + Send + Sync {
fn on_accept(
&self,
stream: AsyncPeekStream,
peer_addr: SocketAddr,
) -> SystemPinBoxFuture<Result<Option<NetworkConnection>, String>>;
}
pub trait ProtocolAcceptHandlerClone {
fn clone_box(&self) -> Box<dyn ProtocolAcceptHandler>;
}
impl<T> ProtocolAcceptHandlerClone for T
where
T: 'static + ProtocolAcceptHandler + Clone,
{
fn clone_box(&self) -> Box<dyn ProtocolAcceptHandler> {
Box::new(self.clone())
}
}
impl Clone for Box<dyn ProtocolAcceptHandler> {
fn clone(&self) -> Box<dyn ProtocolAcceptHandler> {
self.clone_box()
}
}
pub type NewProtocolAcceptHandler =
dyn Fn(VeilidConfig, bool, SocketAddr) -> Box<dyn ProtocolAcceptHandler> + Send;
}
}
///////////////////////////////////////////////////////////
// Dummy protocol network connection for testing
#[derive(Debug)]
pub struct DummyNetworkConnection {}
impl DummyNetworkConnection {
pub fn new(descriptor: ConnectionDescriptor) -> NetworkConnection {
NetworkConnection::from_protocol(descriptor, ProtocolNetworkConnection::Dummy(Self {}))
}
pub fn send(&self, _message: Vec<u8>) -> Result<(), String> {
Ok(())
}
pub fn recv(&self) -> Result<Vec<u8>, String> {
Ok(Vec::new())
}
}
///////////////////////////////////////////////////////////
// Top-level protocol independent network connection object
#[derive(Debug)]
struct NetworkConnectionInner {
protocol_connection: ProtocolNetworkConnection,
last_message_sent_time: Option<u64>,
last_message_recv_time: Option<u64>,
}
#[derive(Debug)]
struct NetworkConnectionArc {
descriptor: ConnectionDescriptor,
established_time: u64,
inner: AsyncMutex<NetworkConnectionInner>,
}
#[derive(Clone, Debug)]
pub struct NetworkConnection {
arc: Arc<NetworkConnectionArc>,
}
impl NetworkConnection {
fn new_inner(protocol_connection: ProtocolNetworkConnection) -> NetworkConnectionInner {
NetworkConnectionInner {
protocol_connection,
last_message_sent_time: None,
last_message_recv_time: None,
}
}
fn new_arc(
descriptor: ConnectionDescriptor,
protocol_connection: ProtocolNetworkConnection,
) -> NetworkConnectionArc {
NetworkConnectionArc {
descriptor,
established_time: intf::get_timestamp(),
inner: AsyncMutex::new(Self::new_inner(protocol_connection)),
}
}
pub fn from_protocol(
descriptor: ConnectionDescriptor,
protocol_connection: ProtocolNetworkConnection,
) -> Self {
Self {
arc: Arc::new(Self::new_arc(descriptor, protocol_connection)),
}
}
pub async fn connect(
local_address: Option<SocketAddr>,
dial_info: DialInfo,
) -> Result<NetworkConnection, String> {
ProtocolNetworkConnection::connect(local_address, dial_info).await
}
pub fn connection_descriptor(&self) -> ConnectionDescriptor {
self.arc.descriptor
}
pub async fn send(&self, message: Vec<u8>) -> Result<(), String> {
let mut inner = self.arc.inner.lock().await;
let out = inner.protocol_connection.send(message).await;
if out.is_ok() {
inner.last_message_sent_time = Some(intf::get_timestamp());
}
out
}
pub async fn recv(&self) -> Result<Vec<u8>, String> {
let mut inner = self.arc.inner.lock().await;
let out = inner.protocol_connection.recv().await;
if out.is_ok() {
inner.last_message_recv_time = Some(intf::get_timestamp());
}
out
}
}

13
veilid-core/src/tests/common/test_connection_table.rs
View File

@ -1,6 +1,5 @@
use crate::connection_manager::*;
use crate::connection_table::*;
use crate::intf::*;
use crate::network_connection::*;
use crate::xx::*;
use crate::*;
@ -49,11 +48,11 @@ pub async fn test_add_get_remove() {
))),
);
let c1 = NetworkConnection::Dummy(DummyNetworkConnection::new(a1.clone()));
let c2 = NetworkConnection::Dummy(DummyNetworkConnection::new(a2.clone()));
let c3 = NetworkConnection::Dummy(DummyNetworkConnection::new(a3.clone()));
let c4 = NetworkConnection::Dummy(DummyNetworkConnection::new(a4.clone()));
let c5 = NetworkConnection::Dummy(DummyNetworkConnection::new(a5));
let c1 = DummyNetworkConnection::new(a1.clone());
let c2 = DummyNetworkConnection::new(a2.clone());
let c3 = DummyNetworkConnection::new(a3.clone());
let c4 = DummyNetworkConnection::new(a4.clone());
let c5 = DummyNetworkConnection::new(a5);
assert_eq!(a1, c2.connection_descriptor());
assert_ne!(a3, c4.connection_descriptor());

4
veilid-core/src/veilid_api/mod.rs
View File

@ -686,7 +686,7 @@ pub struct PeerInfo {
pub dial_infos: Vec<DialInfo>,
}
#[derive(Clone, Debug, PartialEq, PartialOrd, Eq, Ord, Hash)]
#[derive(Copy, Clone, Debug, PartialEq, PartialOrd, Eq, Ord, Hash)]
pub struct PeerAddress {
pub socket_address: SocketAddress,
pub protocol_type: ProtocolType,
@ -709,7 +709,7 @@ impl PeerAddress {
}
}
#[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
pub struct ConnectionDescriptor {
pub remote: PeerAddress,
pub local: Option<SocketAddress>,

4
veilid-core/src/xx/mod.rs
View File

@ -45,6 +45,8 @@ cfg_if! {
pub use core::sync::atomic::{Ordering, AtomicBool};
pub use alloc::sync::{Arc, Weak};
pub use core::ops::{FnOnce, FnMut, Fn};
pub use async_lock::Mutex as AsyncMutex;
pub use async_lock::MutexGuard as AsyncMutexGuard;
pub use no_std_net::{ SocketAddr, SocketAddrV4, SocketAddrV6, ToSocketAddrs, IpAddr, Ipv4Addr, Ipv6Addr };
pub type SystemPinBoxFuture<T> = PinBox<dyn Future<Output = T> + 'static>;
pub type SystemPinBoxFutureLifetime<'a, T> = PinBox<dyn Future<Output = T> + 'a>;
@ -65,6 +67,8 @@ cfg_if! {
pub use std::ops::{FnOnce, FnMut, Fn};
pub use async_std::future::Future;
pub use async_std::pin::Pin;
pub use async_std::sync::Mutex as AsyncMutex;
pub use async_std::sync::MutexGuard as AsyncMutexGuard;
pub use std::net::{ SocketAddr, SocketAddrV4, SocketAddrV6, ToSocketAddrs, IpAddr, Ipv4Addr, Ipv6Addr };
pub type SystemPinBoxFuture<T> = PinBox<dyn Future<Output = T> + Send + 'static>;
pub type SystemPinBoxFutureLifetime<'a, T> = PinBox<dyn Future<Output = T> + Send + 'a>;

2
veilid-core/src/xx/single_future.rs
View File

@ -13,6 +13,8 @@ where
join_handle: Option<JoinHandle<T>>,
}
/// Spawns a single background processing task idempotently, possibly returning the return value of the previously executed background task
/// This does not queue, just ensures that no more than a single copy of the task is running at a time, but allowing tasks to be retriggered
#[derive(Debug, Clone)]
pub struct SingleFuture<T>
where

3
veilid-core/src/xx/tick_task.rs
View File

@ -13,6 +13,9 @@ cfg_if! {
}
}
/// Runs a single-future background processing task, attempting to run it once every 'tick period' microseconds.
/// If the prior tick is still running, it will allow it to finish, and do another tick when the timer comes around again.
/// One should attempt to make tasks short-lived things that run in less than the tick period if you want things to happen with regular periodicity.
pub struct TickTask {
last_timestamp_us: AtomicU64,
tick_period_us: u64,