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https://github.com/fluencelabs/rust-libp2p
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Add IntoNodeHandler and IntoProtocolsHandler traits (#848)
* Add IntoNodeHandler * Add IntoProtocolsHandler
This commit is contained in:
Pierre Krieger
GitHub
@ -24,7 +24,7 @@ use crate::{
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nodes::{
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node::Substream,
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handled_node_tasks::{HandledNodesEvent, HandledNodesTasks, TaskClosedEvent},
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handled_node_tasks::{Task as HandledNodesTask, TaskId},
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handled_node_tasks::{IntoNodeHandler, Task as HandledNodesTask, TaskId},
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handled_node::{HandledNodeError, NodeHandler}
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}
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};
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@ -285,12 +285,13 @@ impl<TInEvent, TOutEvent, THandler, TReachErr, THandlerErr> CollectionStream<TIn
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-> ReachAttemptId
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where
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TFut: Future<Item = (PeerId, TMuxer), Error = TReachErr> + Send + 'static,
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THandler: NodeHandler<Substream = Substream<TMuxer>, InEvent = TInEvent, OutEvent = TOutEvent, Error = THandlerErr> + Send + 'static,
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THandler: IntoNodeHandler + Send + 'static,
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THandler::Handler: NodeHandler<Substream = Substream<TMuxer>, InEvent = TInEvent, OutEvent = TOutEvent, Error = THandlerErr> + Send + 'static,
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<THandler::Handler as NodeHandler>::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be required?
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TReachErr: error::Error + Send + 'static,
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THandlerErr: error::Error + Send + 'static,
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TInEvent: Send + 'static,
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TOutEvent: Send + 'static,
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THandler::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be required?
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TMuxer: StreamMuxer + Send + Sync + 'static, // TODO: Send + Sync + 'static shouldn't be required
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TMuxer::OutboundSubstream: Send + 'static, // TODO: shouldn't be required
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{
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@ -459,7 +460,7 @@ impl<TInEvent, TOutEvent, THandler, TReachErr, THandlerErr> CollectionStream<TIn
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}
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}
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/// Reach attempt interrupt errors.
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/// Reach attempt interrupt errors.
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#[derive(Debug)]
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pub enum InterruptError {
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/// An invalid reach attempt has been used to try to interrupt. The task
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@ -475,7 +476,7 @@ pub enum InterruptError {
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impl fmt::Display for InterruptError {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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match *self {
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InterruptError::ReachAttemptNotFound =>
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InterruptError::ReachAttemptNotFound =>
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write!(f, "The reach attempt could not be found."),
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InterruptError::AlreadyReached =>
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write!(f, "The reach attempt has already completed or reached the node."),
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@ -59,7 +59,7 @@ mod tests;
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// conditions in the user's code. See similar comments in the documentation of `NodeStream`.
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/// Implementation of `Stream` that handles a collection of nodes.
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pub struct HandledNodesTasks<TInEvent, TOutEvent, THandler, TReachErr, THandlerErr> {
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pub struct HandledNodesTasks<TInEvent, TOutEvent, TIntoHandler, TReachErr, THandlerErr> {
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/// A map between active tasks to an unbounded sender, used to control the task. Closing the sender interrupts
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/// the task. It is possible that we receive messages from tasks that used to be in this list
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/// but no longer are, in which case we should ignore them.
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@ -73,12 +73,12 @@ pub struct HandledNodesTasks<TInEvent, TOutEvent, THandler, TReachErr, THandlerE
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to_spawn: SmallVec<[Box<Future<Item = (), Error = ()> + Send>; 8]>,
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/// Sender to emit events to the outside. Meant to be cloned and sent to tasks.
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events_tx: mpsc::UnboundedSender<(InToExtMessage<TOutEvent, THandler, TReachErr, THandlerErr>, TaskId)>,
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events_tx: mpsc::UnboundedSender<(InToExtMessage<TOutEvent, TIntoHandler, TReachErr, THandlerErr>, TaskId)>,
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/// Receiver side for the events.
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events_rx: mpsc::UnboundedReceiver<(InToExtMessage<TOutEvent, THandler, TReachErr, THandlerErr>, TaskId)>,
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events_rx: mpsc::UnboundedReceiver<(InToExtMessage<TOutEvent, TIntoHandler, TReachErr, THandlerErr>, TaskId)>,
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}
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impl<TInEvent, TOutEvent, THandler, TReachErr, THandlerErr> fmt::Debug for HandledNodesTasks<TInEvent, TOutEvent, THandler, TReachErr, THandlerErr> {
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impl<TInEvent, TOutEvent, TIntoHandler, TReachErr, THandlerErr> fmt::Debug for HandledNodesTasks<TInEvent, TOutEvent, TIntoHandler, TReachErr, THandlerErr> {
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fn fmt(&self, f: &mut fmt::Formatter) -> Result<(), fmt::Error> {
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f.debug_list()
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.entries(self.tasks.keys().cloned())
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@ -121,9 +121,31 @@ where
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}
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}
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/// Prototype for a `NodeHandler`.
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pub trait IntoNodeHandler {
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/// The node handler.
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type Handler: NodeHandler;
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/// Builds the node handler.
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///
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/// The `PeerId` is the id of the node the handler is going to handle.
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fn into_handler(self, remote_peer_id: &PeerId) -> Self::Handler;
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}
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impl<T> IntoNodeHandler for T
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where T: NodeHandler
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{
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type Handler = Self;
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#[inline]
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fn into_handler(self, _: &PeerId) -> Self {
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self
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}
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}
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/// Event that can happen on the `HandledNodesTasks`.
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#[derive(Debug)]
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pub enum HandledNodesEvent<TOutEvent, THandler, TReachErr, THandlerErr> {
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pub enum HandledNodesEvent<TOutEvent, TIntoHandler, TReachErr, THandlerErr> {
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/// A task has been closed.
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///
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/// This happens once the node handler closes or an error happens.
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@ -135,7 +157,7 @@ pub enum HandledNodesEvent<TOutEvent, THandler, TReachErr, THandlerErr> {
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result: Result<(), TaskClosedEvent<TReachErr, THandlerErr>>,
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/// If the task closed before reaching the node, this contains the handler that was passed
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/// to `add_reach_attempt`.
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handler: Option<THandler>,
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handler: Option<TIntoHandler>,
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},
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/// A task has successfully connected to a node.
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@ -159,7 +181,7 @@ pub enum HandledNodesEvent<TOutEvent, THandler, TReachErr, THandlerErr> {
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#[derive(Debug, Copy, Clone, Hash, PartialEq, Eq, PartialOrd, Ord)]
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pub struct TaskId(usize);
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impl<TInEvent, TOutEvent, THandler, TReachErr, THandlerErr> HandledNodesTasks<TInEvent, TOutEvent, THandler, TReachErr, THandlerErr> {
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impl<TInEvent, TOutEvent, TIntoHandler, TReachErr, THandlerErr> HandledNodesTasks<TInEvent, TOutEvent, TIntoHandler, TReachErr, THandlerErr> {
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/// Creates a new empty collection.
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#[inline]
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pub fn new() -> Self {
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@ -178,15 +200,16 @@ impl<TInEvent, TOutEvent, THandler, TReachErr, THandlerErr> HandledNodesTasks<TI
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///
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/// This method spawns a task dedicated to resolving this future and processing the node's
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/// events.
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pub fn add_reach_attempt<TFut, TMuxer>(&mut self, future: TFut, handler: THandler) -> TaskId
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pub fn add_reach_attempt<TFut, TMuxer>(&mut self, future: TFut, handler: TIntoHandler) -> TaskId
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where
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TFut: Future<Item = (PeerId, TMuxer), Error = TReachErr> + Send + 'static,
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THandler: NodeHandler<Substream = Substream<TMuxer>, InEvent = TInEvent, OutEvent = TOutEvent, Error = THandlerErr> + Send + 'static,
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TIntoHandler: IntoNodeHandler + Send + 'static,
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TIntoHandler::Handler: NodeHandler<Substream = Substream<TMuxer>, InEvent = TInEvent, OutEvent = TOutEvent, Error = THandlerErr> + Send + 'static,
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TReachErr: error::Error + Send + 'static,
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THandlerErr: error::Error + Send + 'static,
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TInEvent: Send + 'static,
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TOutEvent: Send + 'static,
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THandler::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be required?
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<TIntoHandler::Handler as NodeHandler>::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be required?
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TMuxer: StreamMuxer + Send + Sync + 'static, // TODO: Send + Sync + 'static shouldn't be required
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TMuxer::OutboundSubstream: Send + 'static, // TODO: shouldn't be required
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{
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@ -241,7 +264,7 @@ impl<TInEvent, TOutEvent, THandler, TReachErr, THandlerErr> HandledNodesTasks<TI
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}
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/// Provides an API similar to `Stream`, except that it cannot produce an error.
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pub fn poll(&mut self) -> Async<HandledNodesEvent<TOutEvent, THandler, TReachErr, THandlerErr>> {
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pub fn poll(&mut self) -> Async<HandledNodesEvent<TOutEvent, TIntoHandler, TReachErr, THandlerErr>> {
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for to_spawn in self.to_spawn.drain() {
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tokio_executor::spawn(to_spawn);
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}
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@ -327,8 +350,8 @@ impl<'a, TInEvent> fmt::Debug for Task<'a, TInEvent> {
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}
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}
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impl<TInEvent, TOutEvent, THandler, TReachErr, THandlerErr> Stream for HandledNodesTasks<TInEvent, TOutEvent, THandler, TReachErr, THandlerErr> {
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type Item = HandledNodesEvent<TOutEvent, THandler, TReachErr, THandlerErr>;
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impl<TInEvent, TOutEvent, TIntoHandler, TReachErr, THandlerErr> Stream for HandledNodesTasks<TInEvent, TOutEvent, TIntoHandler, TReachErr, THandlerErr> {
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type Item = HandledNodesEvent<TOutEvent, TIntoHandler, TReachErr, THandlerErr>;
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type Error = Void; // TODO: use ! once stable
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#[inline]
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@ -339,43 +362,45 @@ impl<TInEvent, TOutEvent, THandler, TReachErr, THandlerErr> Stream for HandledNo
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/// Message to transmit from a task to the public API.
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#[derive(Debug)]
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enum InToExtMessage<TOutEvent, THandler, TReachErr, THandlerErr> {
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enum InToExtMessage<TOutEvent, TIntoHandler, TReachErr, THandlerErr> {
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/// A connection to a node has succeeded.
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NodeReached(PeerId),
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/// The task closed.
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TaskClosed(Result<(), TaskClosedEvent<TReachErr, THandlerErr>>, Option<THandler>),
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TaskClosed(Result<(), TaskClosedEvent<TReachErr, THandlerErr>>, Option<TIntoHandler>),
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/// An event from the node.
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NodeEvent(TOutEvent),
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}
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/// Implementation of `Future` that handles a single node, and all the communications between
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/// the various components of the `HandledNodesTasks`.
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struct NodeTask<TFut, TMuxer, THandler, TInEvent, TOutEvent, TReachErr>
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struct NodeTask<TFut, TMuxer, TIntoHandler, TInEvent, TOutEvent, TReachErr>
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where
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TMuxer: StreamMuxer,
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THandler: NodeHandler<Substream = Substream<TMuxer>>,
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TIntoHandler: IntoNodeHandler,
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TIntoHandler::Handler: NodeHandler<Substream = Substream<TMuxer>>,
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{
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/// Sender to transmit events to the outside.
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events_tx: mpsc::UnboundedSender<(InToExtMessage<TOutEvent, THandler, TReachErr, THandler::Error>, TaskId)>,
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events_tx: mpsc::UnboundedSender<(InToExtMessage<TOutEvent, TIntoHandler, TReachErr, <TIntoHandler::Handler as NodeHandler>::Error>, TaskId)>,
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/// Receiving end for events sent from the main `HandledNodesTasks`.
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in_events_rx: stream::Fuse<mpsc::UnboundedReceiver<TInEvent>>,
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/// Inner state of the `NodeTask`.
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inner: NodeTaskInner<TFut, TMuxer, THandler, TInEvent>,
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inner: NodeTaskInner<TFut, TMuxer, TIntoHandler, TInEvent>,
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/// Identifier of the attempt.
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id: TaskId,
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}
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enum NodeTaskInner<TFut, TMuxer, THandler, TInEvent>
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enum NodeTaskInner<TFut, TMuxer, TIntoHandler, TInEvent>
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where
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TMuxer: StreamMuxer,
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THandler: NodeHandler<Substream = Substream<TMuxer>>,
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TIntoHandler: IntoNodeHandler,
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TIntoHandler::Handler: NodeHandler<Substream = Substream<TMuxer>>,
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{
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/// Future to resolve to connect to the node.
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Future {
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/// The future that will attempt to reach the node.
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future: TFut,
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/// The handler that will be used to build the `HandledNode`.
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handler: THandler,
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handler: TIntoHandler,
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/// While we are dialing the future, we need to buffer the events received on
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/// `in_events_rx` so that they get delivered once dialing succeeds. We can't simply leave
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/// events in `in_events_rx` because we have to detect if it gets closed.
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@ -383,18 +408,19 @@ where
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},
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/// Fully functional node.
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Node(HandledNode<TMuxer, THandler>),
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Node(HandledNode<TMuxer, TIntoHandler::Handler>),
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/// A panic happened while polling.
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Poisoned,
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}
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impl<TFut, TMuxer, THandler, TInEvent, TOutEvent, TReachErr> Future for
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NodeTask<TFut, TMuxer, THandler, TInEvent, TOutEvent, TReachErr>
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impl<TFut, TMuxer, TIntoHandler, TInEvent, TOutEvent, TReachErr> Future for
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NodeTask<TFut, TMuxer, TIntoHandler, TInEvent, TOutEvent, TReachErr>
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where
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TMuxer: StreamMuxer,
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TFut: Future<Item = (PeerId, TMuxer), Error = TReachErr>,
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THandler: NodeHandler<Substream = Substream<TMuxer>, InEvent = TInEvent, OutEvent = TOutEvent>,
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TIntoHandler: IntoNodeHandler,
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TIntoHandler::Handler: NodeHandler<Substream = Substream<TMuxer>, InEvent = TInEvent, OutEvent = TOutEvent>,
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{
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type Item = ();
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type Error = ();
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@ -416,8 +442,8 @@ where
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// Check whether dialing succeeded.
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match future.poll() {
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Ok(Async::Ready((peer_id, muxer))) => {
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let mut node = HandledNode::new(muxer, handler.into_handler(&peer_id));
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let event = InToExtMessage::NodeReached(peer_id);
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let mut node = HandledNode::new(muxer, handler);
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for event in events_buffer {
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node.inject_event(event);
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}
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@ -34,6 +34,7 @@ use crate::{
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HandledNodeError,
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NodeHandler
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},
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handled_node_tasks::IntoNodeHandler,
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node::Substream
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},
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nodes::listeners::{ListenersEvent, ListenersStream},
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@ -377,8 +378,9 @@ where
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TTrans: Transport<Output = (PeerId, TMuxer)>,
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TTrans::Error: Send + 'static,
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TTrans::ListenerUpgrade: Send + 'static,
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THandler: NodeHandler<Substream = Substream<TMuxer>, InEvent = TInEvent, OutEvent = TOutEvent, Error = THandlerErr> + Send + 'static,
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THandler::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be necessary
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THandler: IntoNodeHandler + Send + 'static,
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THandler::Handler: NodeHandler<Substream = Substream<TMuxer>, InEvent = TInEvent, OutEvent = TOutEvent, Error = THandlerErr> + Send + 'static,
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<THandler::Handler as NodeHandler>::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be necessary
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THandlerErr: error::Error + Send + 'static,
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TMuxer: StreamMuxer + Send + Sync + 'static,
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TMuxer::OutboundSubstream: Send,
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@ -523,8 +525,9 @@ impl<TTrans, TInEvent, TOutEvent, TMuxer, THandler, THandlerErr>
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where
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TTrans: Transport + Clone,
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TMuxer: StreamMuxer,
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THandler: NodeHandler<Substream = Substream<TMuxer>, InEvent = TInEvent, OutEvent = TOutEvent, Error = THandlerErr> + Send + 'static,
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THandler::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be necessary
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THandler: IntoNodeHandler + Send + 'static,
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THandler::Handler: NodeHandler<Substream = Substream<TMuxer>, InEvent = TInEvent, OutEvent = TOutEvent, Error = THandlerErr> + Send + 'static,
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<THandler::Handler as NodeHandler>::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be necessary
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THandlerErr: error::Error + Send + 'static,
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{
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/// Creates a new node events stream.
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@ -752,8 +755,9 @@ where
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TMuxer::Substream: Send,
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TInEvent: Send + 'static,
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TOutEvent: Send + 'static,
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THandler: NodeHandler<Substream = Substream<TMuxer>, InEvent = TInEvent, OutEvent = TOutEvent, Error = THandlerErr> + Send + 'static,
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THandler::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be necessary
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THandler: IntoNodeHandler + Send + 'static,
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THandler::Handler: NodeHandler<Substream = Substream<TMuxer>, InEvent = TInEvent, OutEvent = TOutEvent, Error = THandlerErr> + Send + 'static,
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<THandler::Handler as NodeHandler>::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be necessary
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THandlerErr: error::Error + Send + 'static,
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{
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// Start by polling the listeners for events.
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@ -1138,8 +1142,9 @@ where
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TMuxer::Substream: Send,
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TInEvent: Send + 'static,
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TOutEvent: Send + 'static,
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THandler: NodeHandler<Substream = Substream<TMuxer>, InEvent = TInEvent, OutEvent = TOutEvent, Error = THandlerErr> + Send + 'static,
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THandler::OutboundOpenInfo: Send + 'static,
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THandler: IntoNodeHandler + Send + 'static,
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THandler::Handler: NodeHandler<Substream = Substream<TMuxer>, InEvent = TInEvent, OutEvent = TOutEvent, Error = THandlerErr> + Send + 'static,
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<THandler::Handler as NodeHandler>::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be necessary
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THandlerErr: error::Error + Send + 'static,
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{
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/// If we are connected, returns the `PeerConnected`.
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@ -1362,8 +1367,9 @@ where
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TMuxer: StreamMuxer + Send + Sync + 'static,
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TMuxer::OutboundSubstream: Send,
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TMuxer::Substream: Send,
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THandler: NodeHandler<Substream = Substream<TMuxer>, InEvent = TInEvent, OutEvent = TOutEvent, Error = THandlerErr> + Send + 'static,
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THandler::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be necessary
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THandler: IntoNodeHandler + Send + 'static,
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THandler::Handler: NodeHandler<Substream = Substream<TMuxer>, InEvent = TInEvent, OutEvent = TOutEvent, Error = THandlerErr> + Send + 'static,
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<THandler::Handler as NodeHandler>::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be necessary
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THandlerErr: error::Error + Send + 'static,
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TInEvent: Send + 'static,
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TOutEvent: Send + 'static,
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@ -33,6 +33,7 @@
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//! > connection with a remote. In order to handle a protocol that requires knowledge of
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//! > the network as a whole, see the `NetworkBehaviour` trait.
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use crate::PeerId;
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use crate::upgrade::{
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InboundUpgrade,
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OutboundUpgrade,
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@ -46,7 +47,7 @@ pub use self::dummy::DummyProtocolsHandler;
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pub use self::map_in::MapInEvent;
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pub use self::map_out::MapOutEvent;
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pub use self::node_handler::{NodeHandlerWrapper, NodeHandlerWrapperBuilder};
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pub use self::select::ProtocolsHandlerSelect;
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pub use self::select::{IntoProtocolsHandlerSelect, ProtocolsHandlerSelect};
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mod dummy;
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mod map_in;
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@ -207,17 +208,19 @@ pub trait ProtocolsHandler {
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where
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Self: Sized,
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{
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NodeHandlerWrapperBuilder::new(self, Duration::from_secs(10), Duration::from_secs(10), Duration::from_secs(5))
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IntoProtocolsHandler::into_node_handler_builder(self)
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}
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|
||||
/// Builds an implementation of `NodeHandler` that handles this protocol exclusively.
|
||||
///
|
||||
/// > **Note**: This is a shortcut for `self.into_node_handler_builder().build()`.
|
||||
#[inline]
|
||||
#[deprecated(note = "Use into_node_handler_builder instead")]
|
||||
fn into_node_handler(self) -> NodeHandlerWrapper<Self>
|
||||
where
|
||||
Self: Sized,
|
||||
{
|
||||
#![allow(deprecated)]
|
||||
self.into_node_handler_builder().build()
|
||||
}
|
||||
}
|
||||
@ -353,3 +356,45 @@ where
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Prototype for a `ProtocolsHandler`.
|
||||
pub trait IntoProtocolsHandler {
|
||||
/// The protocols handler.
|
||||
type Handler: ProtocolsHandler;
|
||||
|
||||
/// Builds the protocols handler.
|
||||
///
|
||||
/// The `PeerId` is the id of the node the handler is going to handle.
|
||||
fn into_handler(self, remote_peer_id: &PeerId) -> Self::Handler;
|
||||
|
||||
/// Builds an implementation of `IntoProtocolsHandler` that handles both this protocol and the
|
||||
/// other one together.
|
||||
#[inline]
|
||||
fn select<TProto2>(self, other: TProto2) -> IntoProtocolsHandlerSelect<Self, TProto2>
|
||||
where
|
||||
Self: Sized,
|
||||
{
|
||||
IntoProtocolsHandlerSelect::new(self, other)
|
||||
}
|
||||
|
||||
/// Creates a builder that will allow creating a `NodeHandler` that handles this protocol
|
||||
/// exclusively.
|
||||
#[inline]
|
||||
fn into_node_handler_builder(self) -> NodeHandlerWrapperBuilder<Self>
|
||||
where
|
||||
Self: Sized,
|
||||
{
|
||||
NodeHandlerWrapperBuilder::new(self, Duration::from_secs(10), Duration::from_secs(10), Duration::from_secs(5))
|
||||
}
|
||||
}
|
||||
|
||||
impl<T> IntoProtocolsHandler for T
|
||||
where T: ProtocolsHandler
|
||||
{
|
||||
type Handler = Self;
|
||||
|
||||
#[inline]
|
||||
fn into_handler(self, _: &PeerId) -> Self {
|
||||
self
|
||||
}
|
||||
}
|
||||
|
||||
@ -19,8 +19,10 @@
|
||||
// DEALINGS IN THE SOFTWARE.
|
||||
|
||||
use crate::{
|
||||
PeerId,
|
||||
nodes::handled_node::{NodeHandler, NodeHandlerEndpoint, NodeHandlerEvent},
|
||||
protocols_handler::{ProtocolsHandler, ProtocolsHandlerEvent, ProtocolsHandlerUpgrErr},
|
||||
nodes::handled_node_tasks::IntoNodeHandler,
|
||||
protocols_handler::{ProtocolsHandler, IntoProtocolsHandler, ProtocolsHandlerEvent, ProtocolsHandlerUpgrErr},
|
||||
upgrade::{
|
||||
self,
|
||||
OutboundUpgrade,
|
||||
@ -33,12 +35,9 @@ use std::time::{Duration, Instant};
|
||||
use tokio_timer::{Delay, Timeout};
|
||||
|
||||
/// Prototype for a `NodeHandlerWrapper`.
|
||||
pub struct NodeHandlerWrapperBuilder<TProtoHandler>
|
||||
where
|
||||
TProtoHandler: ProtocolsHandler,
|
||||
{
|
||||
pub struct NodeHandlerWrapperBuilder<TIntoProtoHandler> {
|
||||
/// The underlying handler.
|
||||
handler: TProtoHandler,
|
||||
handler: TIntoProtoHandler,
|
||||
/// Timeout for incoming substreams negotiation.
|
||||
in_timeout: Duration,
|
||||
/// Timeout for outgoing substreams negotiation.
|
||||
@ -47,13 +46,13 @@ where
|
||||
useless_timeout: Duration,
|
||||
}
|
||||
|
||||
impl<TProtoHandler> NodeHandlerWrapperBuilder<TProtoHandler>
|
||||
impl<TIntoProtoHandler> NodeHandlerWrapperBuilder<TIntoProtoHandler>
|
||||
where
|
||||
TProtoHandler: ProtocolsHandler
|
||||
TIntoProtoHandler: IntoProtocolsHandler
|
||||
{
|
||||
/// Builds a `NodeHandlerWrapperBuilder`.
|
||||
#[inline]
|
||||
pub(crate) fn new(handler: TProtoHandler, in_timeout: Duration, out_timeout: Duration, useless_timeout: Duration) -> Self {
|
||||
pub(crate) fn new(handler: TIntoProtoHandler, in_timeout: Duration, out_timeout: Duration, useless_timeout: Duration) -> Self {
|
||||
NodeHandlerWrapperBuilder {
|
||||
handler,
|
||||
in_timeout,
|
||||
@ -85,8 +84,11 @@ where
|
||||
}
|
||||
|
||||
/// Builds the `NodeHandlerWrapper`.
|
||||
#[deprecated(note = "Pass the NodeHandlerWrapperBuilder directly")]
|
||||
#[inline]
|
||||
pub fn build(self) -> NodeHandlerWrapper<TProtoHandler> {
|
||||
pub fn build(self) -> NodeHandlerWrapper<TIntoProtoHandler>
|
||||
where TIntoProtoHandler: ProtocolsHandler
|
||||
{
|
||||
NodeHandlerWrapper {
|
||||
handler: self.handler,
|
||||
negotiating_in: Vec::new(),
|
||||
@ -101,6 +103,30 @@ where
|
||||
}
|
||||
}
|
||||
|
||||
impl<TIntoProtoHandler, TProtoHandler> IntoNodeHandler for NodeHandlerWrapperBuilder<TIntoProtoHandler>
|
||||
where
|
||||
TIntoProtoHandler: IntoProtocolsHandler<Handler = TProtoHandler>,
|
||||
TProtoHandler: ProtocolsHandler,
|
||||
// TODO: meh for Debug
|
||||
<TProtoHandler::OutboundProtocol as OutboundUpgrade<<TProtoHandler as ProtocolsHandler>::Substream>>::Error: std::fmt::Debug
|
||||
{
|
||||
type Handler = NodeHandlerWrapper<TIntoProtoHandler::Handler>;
|
||||
|
||||
fn into_handler(self, remote_peer_id: &PeerId) -> Self::Handler {
|
||||
NodeHandlerWrapper {
|
||||
handler: self.handler.into_handler(remote_peer_id),
|
||||
negotiating_in: Vec::new(),
|
||||
negotiating_out: Vec::new(),
|
||||
in_timeout: self.in_timeout,
|
||||
out_timeout: self.out_timeout,
|
||||
queued_dial_upgrades: Vec::new(),
|
||||
unique_dial_upgrade_id: 0,
|
||||
connection_shutdown: None,
|
||||
useless_timeout: self.useless_timeout,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Wraps around an implementation of `ProtocolsHandler`, and implements `NodeHandler`.
|
||||
// TODO: add a caching system for protocols that are supported or not
|
||||
pub struct NodeHandlerWrapper<TProtoHandler>
|
||||
@ -138,6 +164,7 @@ where
|
||||
impl<TProtoHandler> NodeHandler for NodeHandlerWrapper<TProtoHandler>
|
||||
where
|
||||
TProtoHandler: ProtocolsHandler,
|
||||
// TODO: meh for Debug
|
||||
<TProtoHandler::OutboundProtocol as OutboundUpgrade<<TProtoHandler as ProtocolsHandler>::Substream>>::Error: std::fmt::Debug
|
||||
{
|
||||
type InEvent = TProtoHandler::InEvent;
|
||||
|
||||
@ -19,9 +19,15 @@
|
||||
// DEALINGS IN THE SOFTWARE.
|
||||
|
||||
use crate::{
|
||||
PeerId,
|
||||
either::EitherError,
|
||||
either::EitherOutput,
|
||||
protocols_handler::{ProtocolsHandler, ProtocolsHandlerEvent, ProtocolsHandlerUpgrErr},
|
||||
protocols_handler::{
|
||||
IntoProtocolsHandler,
|
||||
ProtocolsHandler,
|
||||
ProtocolsHandlerEvent,
|
||||
ProtocolsHandlerUpgrErr,
|
||||
},
|
||||
upgrade::{
|
||||
InboundUpgrade,
|
||||
OutboundUpgrade,
|
||||
@ -33,6 +39,46 @@ use crate::{
|
||||
use futures::prelude::*;
|
||||
use tokio_io::{AsyncRead, AsyncWrite};
|
||||
|
||||
/// Implementation of `IntoProtocolsHandler` that combines two protocols into one.
|
||||
#[derive(Debug, Clone)]
|
||||
pub struct IntoProtocolsHandlerSelect<TProto1, TProto2> {
|
||||
proto1: TProto1,
|
||||
proto2: TProto2,
|
||||
}
|
||||
|
||||
impl<TProto1, TProto2> IntoProtocolsHandlerSelect<TProto1, TProto2> {
|
||||
/// Builds a `IntoProtocolsHandlerSelect`.
|
||||
#[inline]
|
||||
pub(crate) fn new(proto1: TProto1, proto2: TProto2) -> Self {
|
||||
IntoProtocolsHandlerSelect {
|
||||
proto1,
|
||||
proto2,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<TProto1, TProto2, TSubstream> IntoProtocolsHandler for IntoProtocolsHandlerSelect<TProto1, TProto2>
|
||||
where
|
||||
TProto1: IntoProtocolsHandler,
|
||||
TProto2: IntoProtocolsHandler,
|
||||
TProto1::Handler: ProtocolsHandler<Substream = TSubstream>,
|
||||
TProto2::Handler: ProtocolsHandler<Substream = TSubstream>,
|
||||
TSubstream: AsyncRead + AsyncWrite,
|
||||
<TProto1::Handler as ProtocolsHandler>::InboundProtocol: InboundUpgrade<TSubstream>,
|
||||
<TProto2::Handler as ProtocolsHandler>::InboundProtocol: InboundUpgrade<TSubstream>,
|
||||
<TProto1::Handler as ProtocolsHandler>::OutboundProtocol: OutboundUpgrade<TSubstream>,
|
||||
<TProto2::Handler as ProtocolsHandler>::OutboundProtocol: OutboundUpgrade<TSubstream>
|
||||
{
|
||||
type Handler = ProtocolsHandlerSelect<TProto1::Handler, TProto2::Handler>;
|
||||
|
||||
fn into_handler(self, remote_peer_id: &PeerId) -> Self::Handler {
|
||||
ProtocolsHandlerSelect {
|
||||
proto1: self.proto1.into_handler(remote_peer_id),
|
||||
proto2: self.proto2.into_handler(remote_peer_id),
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Implementation of `ProtocolsHandler` that combines two protocols into one.
|
||||
#[derive(Debug, Clone)]
|
||||
pub struct ProtocolsHandlerSelect<TProto1, TProto2> {
|
||||
|
||||
@ -26,7 +26,7 @@
|
||||
//! # Initializing a Swarm
|
||||
//!
|
||||
//! Creating a `Swarm` requires three things:
|
||||
//!
|
||||
//!
|
||||
//! - An implementation of the `Transport` trait. This is the type that will be used in order to
|
||||
//! reach nodes on the network based on their address. See the `transport` module for more
|
||||
//! information.
|
||||
@ -49,7 +49,7 @@ use crate::{
|
||||
node::Substream,
|
||||
raw_swarm::{RawSwarm, RawSwarmEvent}
|
||||
},
|
||||
protocols_handler::{NodeHandlerWrapper, ProtocolsHandler},
|
||||
protocols_handler::{NodeHandlerWrapperBuilder, NodeHandlerWrapper, IntoProtocolsHandler, ProtocolsHandler},
|
||||
topology::Topology,
|
||||
transport::TransportError,
|
||||
topology::DisconnectReason,
|
||||
@ -67,10 +67,10 @@ where TTransport: Transport,
|
||||
{
|
||||
raw_swarm: RawSwarm<
|
||||
TTransport,
|
||||
<<TBehaviour as NetworkBehaviour<TTopology>>::ProtocolsHandler as ProtocolsHandler>::InEvent,
|
||||
<<TBehaviour as NetworkBehaviour<TTopology>>::ProtocolsHandler as ProtocolsHandler>::OutEvent,
|
||||
NodeHandlerWrapper<TBehaviour::ProtocolsHandler>,
|
||||
<<TBehaviour as NetworkBehaviour<TTopology>>::ProtocolsHandler as ProtocolsHandler>::Error,
|
||||
<<<TBehaviour as NetworkBehaviour<TTopology>>::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::InEvent,
|
||||
<<<TBehaviour as NetworkBehaviour<TTopology>>::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutEvent,
|
||||
NodeHandlerWrapperBuilder<TBehaviour::ProtocolsHandler>,
|
||||
<<<TBehaviour as NetworkBehaviour<TTopology>>::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::Error,
|
||||
>,
|
||||
|
||||
/// Handles which nodes to connect to and how to handle the events sent back by the protocol
|
||||
@ -120,24 +120,25 @@ where TBehaviour: NetworkBehaviour<TTopology>,
|
||||
TTransport::Listener: Send + 'static,
|
||||
TTransport::ListenerUpgrade: Send + 'static,
|
||||
TTransport::Dial: Send + 'static,
|
||||
TBehaviour::ProtocolsHandler: ProtocolsHandler<Substream = Substream<TMuxer>> + Send + 'static,
|
||||
<TBehaviour::ProtocolsHandler as ProtocolsHandler>::InEvent: Send + 'static,
|
||||
<TBehaviour::ProtocolsHandler as ProtocolsHandler>::OutEvent: Send + 'static,
|
||||
<TBehaviour::ProtocolsHandler as ProtocolsHandler>::Error: Send + 'static,
|
||||
<TBehaviour::ProtocolsHandler as ProtocolsHandler>::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be necessary
|
||||
<TBehaviour::ProtocolsHandler as ProtocolsHandler>::InboundProtocol: InboundUpgrade<Substream<TMuxer>> + Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::InboundProtocol as UpgradeInfo>::Info: Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::InboundProtocol as UpgradeInfo>::InfoIter: Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::InboundProtocol as UpgradeInfo>::InfoIter as IntoIterator>::IntoIter: Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::InboundProtocol as InboundUpgrade<Substream<TMuxer>>>::Error: fmt::Debug + Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::InboundProtocol as InboundUpgrade<Substream<TMuxer>>>::Future: Send + 'static,
|
||||
<TBehaviour::ProtocolsHandler as ProtocolsHandler>::OutboundProtocol: OutboundUpgrade<Substream<TMuxer>> + Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::OutboundProtocol as UpgradeInfo>::Info: Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::OutboundProtocol as UpgradeInfo>::InfoIter: Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::OutboundProtocol as UpgradeInfo>::InfoIter as IntoIterator>::IntoIter: Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::OutboundProtocol as OutboundUpgrade<Substream<TMuxer>>>::Future: Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::OutboundProtocol as OutboundUpgrade<Substream<TMuxer>>>::Error: fmt::Debug + Send + 'static,
|
||||
<NodeHandlerWrapper<TBehaviour::ProtocolsHandler> as NodeHandler>::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be necessary
|
||||
TBehaviour::ProtocolsHandler: Send + 'static,
|
||||
<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler: ProtocolsHandler<Substream = Substream<TMuxer>> + Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::InEvent: Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutEvent: Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::Error: Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be necessary
|
||||
<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::InboundProtocol: InboundUpgrade<Substream<TMuxer>> + Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::InboundProtocol as UpgradeInfo>::Info: Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::InboundProtocol as UpgradeInfo>::InfoIter: Send + 'static,
|
||||
<<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::InboundProtocol as UpgradeInfo>::InfoIter as IntoIterator>::IntoIter: Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::InboundProtocol as InboundUpgrade<Substream<TMuxer>>>::Error: fmt::Debug + Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::InboundProtocol as InboundUpgrade<Substream<TMuxer>>>::Future: Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutboundProtocol: OutboundUpgrade<Substream<TMuxer>> + Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutboundProtocol as UpgradeInfo>::Info: Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutboundProtocol as UpgradeInfo>::InfoIter: Send + 'static,
|
||||
<<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutboundProtocol as UpgradeInfo>::InfoIter as IntoIterator>::IntoIter: Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutboundProtocol as OutboundUpgrade<Substream<TMuxer>>>::Future: Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutboundProtocol as OutboundUpgrade<Substream<TMuxer>>>::Error: fmt::Debug + Send + 'static,
|
||||
<NodeHandlerWrapper<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler> as NodeHandler>::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be necessary
|
||||
TTopology: Topology,
|
||||
{
|
||||
/// Builds a new `Swarm`.
|
||||
@ -145,6 +146,7 @@ where TBehaviour: NetworkBehaviour<TTopology>,
|
||||
pub fn new(transport: TTransport, mut behaviour: TBehaviour, topology: TTopology) -> Self {
|
||||
let supported_protocols = behaviour
|
||||
.new_handler()
|
||||
.into_handler(topology.local_peer_id())
|
||||
.listen_protocol()
|
||||
.protocol_info()
|
||||
.into_iter()
|
||||
@ -187,7 +189,7 @@ where TBehaviour: NetworkBehaviour<TTopology>,
|
||||
#[inline]
|
||||
pub fn dial_addr(me: &mut Self, addr: Multiaddr) -> Result<(), TransportError<TTransport::Error>> {
|
||||
let handler = me.behaviour.new_handler();
|
||||
me.raw_swarm.dial(addr, handler.into_node_handler())
|
||||
me.raw_swarm.dial(addr, handler.into_node_handler_builder())
|
||||
}
|
||||
|
||||
/// Tries to reach the given peer using the elements in the topology.
|
||||
@ -197,7 +199,7 @@ where TBehaviour: NetworkBehaviour<TTopology>,
|
||||
#[inline]
|
||||
pub fn dial(me: &mut Self, peer_id: PeerId) {
|
||||
let addrs = me.topology.addresses_of_peer(&peer_id);
|
||||
let handler = me.behaviour.new_handler().into_node_handler();
|
||||
let handler = me.behaviour.new_handler().into_node_handler_builder();
|
||||
if let Some(peer) = me.raw_swarm.peer(peer_id).as_not_connected() {
|
||||
let _ = peer.connect_iter(addrs, handler);
|
||||
}
|
||||
@ -238,24 +240,25 @@ where TBehaviour: NetworkBehaviour<TTopology>,
|
||||
TTransport::Listener: Send + 'static,
|
||||
TTransport::ListenerUpgrade: Send + 'static,
|
||||
TTransport::Dial: Send + 'static,
|
||||
TBehaviour::ProtocolsHandler: ProtocolsHandler<Substream = Substream<TMuxer>> + Send + 'static,
|
||||
<TBehaviour::ProtocolsHandler as ProtocolsHandler>::InEvent: Send + 'static,
|
||||
<TBehaviour::ProtocolsHandler as ProtocolsHandler>::OutEvent: Send + 'static,
|
||||
<TBehaviour::ProtocolsHandler as ProtocolsHandler>::Error: Send + 'static,
|
||||
<TBehaviour::ProtocolsHandler as ProtocolsHandler>::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be necessary
|
||||
<TBehaviour::ProtocolsHandler as ProtocolsHandler>::InboundProtocol: InboundUpgrade<Substream<TMuxer>> + Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::InboundProtocol as InboundUpgrade<Substream<TMuxer>>>::Future: Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::InboundProtocol as InboundUpgrade<Substream<TMuxer>>>::Error: fmt::Debug + Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::InboundProtocol as UpgradeInfo>::Info: Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::InboundProtocol as UpgradeInfo>::InfoIter: Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::InboundProtocol as UpgradeInfo>::InfoIter as IntoIterator>::IntoIter: Send + 'static,
|
||||
<TBehaviour::ProtocolsHandler as ProtocolsHandler>::OutboundProtocol: OutboundUpgrade<Substream<TMuxer>> + Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::OutboundProtocol as OutboundUpgrade<Substream<TMuxer>>>::Future: Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::OutboundProtocol as OutboundUpgrade<Substream<TMuxer>>>::Error: fmt::Debug + Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::OutboundProtocol as UpgradeInfo>::Info: Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::OutboundProtocol as UpgradeInfo>::InfoIter: Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as ProtocolsHandler>::OutboundProtocol as UpgradeInfo>::InfoIter as IntoIterator>::IntoIter: Send + 'static,
|
||||
<NodeHandlerWrapper<TBehaviour::ProtocolsHandler> as NodeHandler>::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be necessary
|
||||
TBehaviour::ProtocolsHandler: Send + 'static,
|
||||
<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler: ProtocolsHandler<Substream = Substream<TMuxer>> + Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::InEvent: Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutEvent: Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::Error: Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be necessary
|
||||
<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::InboundProtocol: InboundUpgrade<Substream<TMuxer>> + Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::InboundProtocol as InboundUpgrade<Substream<TMuxer>>>::Future: Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::InboundProtocol as InboundUpgrade<Substream<TMuxer>>>::Error: fmt::Debug + Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::InboundProtocol as UpgradeInfo>::Info: Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::InboundProtocol as UpgradeInfo>::InfoIter: Send + 'static,
|
||||
<<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::InboundProtocol as UpgradeInfo>::InfoIter as IntoIterator>::IntoIter: Send + 'static,
|
||||
<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutboundProtocol: OutboundUpgrade<Substream<TMuxer>> + Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutboundProtocol as OutboundUpgrade<Substream<TMuxer>>>::Future: Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutboundProtocol as OutboundUpgrade<Substream<TMuxer>>>::Error: fmt::Debug + Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutboundProtocol as UpgradeInfo>::Info: Send + 'static,
|
||||
<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutboundProtocol as UpgradeInfo>::InfoIter: Send + 'static,
|
||||
<<<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutboundProtocol as UpgradeInfo>::InfoIter as IntoIterator>::IntoIter: Send + 'static,
|
||||
<NodeHandlerWrapper<<TBehaviour::ProtocolsHandler as IntoProtocolsHandler>::Handler> as NodeHandler>::OutboundOpenInfo: Send + 'static, // TODO: shouldn't be necessary
|
||||
TTopology: Topology,
|
||||
{
|
||||
type Item = TBehaviour::OutEvent;
|
||||
@ -291,7 +294,7 @@ where TBehaviour: NetworkBehaviour<TTopology>,
|
||||
},
|
||||
Async::Ready(RawSwarmEvent::IncomingConnection(incoming)) => {
|
||||
let handler = self.behaviour.new_handler();
|
||||
incoming.accept(handler.into_node_handler());
|
||||
incoming.accept(handler.into_node_handler_builder());
|
||||
},
|
||||
Async::Ready(RawSwarmEvent::ListenerClosed { .. }) => {},
|
||||
Async::Ready(RawSwarmEvent::IncomingConnectionError { .. }) => {},
|
||||
@ -345,7 +348,7 @@ where TBehaviour: NetworkBehaviour<TTopology>,
|
||||
/// one that handles all the behaviours at once.
|
||||
pub trait NetworkBehaviour<TTopology> {
|
||||
/// Handler for all the protocols the network supports.
|
||||
type ProtocolsHandler: ProtocolsHandler;
|
||||
type ProtocolsHandler: IntoProtocolsHandler;
|
||||
/// Event generated by the swarm.
|
||||
type OutEvent;
|
||||
|
||||
@ -367,13 +370,13 @@ pub trait NetworkBehaviour<TTopology> {
|
||||
fn inject_node_event(
|
||||
&mut self,
|
||||
peer_id: PeerId,
|
||||
event: <Self::ProtocolsHandler as ProtocolsHandler>::OutEvent
|
||||
event: <<Self::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::OutEvent
|
||||
);
|
||||
|
||||
/// Polls for things that swarm should do.
|
||||
///
|
||||
/// This API mimics the API of the `Stream` trait.
|
||||
fn poll(&mut self, topology: &mut PollParameters<TTopology>) -> Async<NetworkBehaviourAction<<Self::ProtocolsHandler as ProtocolsHandler>::InEvent, Self::OutEvent>>;
|
||||
fn poll(&mut self, topology: &mut PollParameters<TTopology>) -> Async<NetworkBehaviourAction<<<Self::ProtocolsHandler as IntoProtocolsHandler>::Handler as ProtocolsHandler>::InEvent, Self::OutEvent>>;
|
||||
}
|
||||
|
||||
/// Used when deriving `NetworkBehaviour`. When deriving `NetworkBehaviour`, must be implemented
|
||||
|
||||
@ -53,8 +53,9 @@ fn build_struct(ast: &DeriveInput, data_struct: &DataStruct) -> TokenStream {
|
||||
let net_behv_event_proc = quote!{::libp2p::core::swarm::NetworkBehaviourEventProcess};
|
||||
let either_ident = quote!{::libp2p::core::either::EitherOutput};
|
||||
let network_behaviour_action = quote!{::libp2p::core::swarm::NetworkBehaviourAction};
|
||||
let into_protocols_handler = quote!{::libp2p::core::protocols_handler::IntoProtocolsHandler};
|
||||
let protocols_handler = quote!{::libp2p::core::protocols_handler::ProtocolsHandler};
|
||||
let proto_select_ident = quote!{::libp2p::core::protocols_handler::ProtocolsHandlerSelect};
|
||||
let into_proto_select_ident = quote!{::libp2p::core::protocols_handler::IntoProtocolsHandlerSelect};
|
||||
let peer_id = quote!{::libp2p::core::PeerId};
|
||||
let connected_point = quote!{::libp2p::core::swarm::ConnectedPoint};
|
||||
|
||||
@ -99,10 +100,10 @@ fn build_struct(ast: &DeriveInput, data_struct: &DataStruct) -> TokenStream {
|
||||
vec![
|
||||
quote!{#ty: #trait_to_impl<#topology_generic>},
|
||||
quote!{Self: #net_behv_event_proc<<#ty as #trait_to_impl<#topology_generic>>::OutEvent>},
|
||||
quote!{<#ty as #trait_to_impl<#topology_generic>>::ProtocolsHandler: #protocols_handler<Substream = #substream_generic>},
|
||||
quote!{<<#ty as #trait_to_impl<#topology_generic>>::ProtocolsHandler as #into_protocols_handler>::Handler: #protocols_handler<Substream = #substream_generic>},
|
||||
// Note: this bound is required because of https://github.com/rust-lang/rust/issues/55697
|
||||
quote!{<<#ty as #trait_to_impl<#topology_generic>>::ProtocolsHandler as #protocols_handler>::InboundProtocol: ::libp2p::core::InboundUpgrade<#substream_generic>},
|
||||
quote!{<<#ty as #trait_to_impl<#topology_generic>>::ProtocolsHandler as #protocols_handler>::OutboundProtocol: ::libp2p::core::OutboundUpgrade<#substream_generic>},
|
||||
quote!{<<<#ty as #trait_to_impl<#topology_generic>>::ProtocolsHandler as #into_protocols_handler>::Handler as #protocols_handler>::InboundProtocol: ::libp2p::core::InboundUpgrade<#substream_generic>},
|
||||
quote!{<<<#ty as #trait_to_impl<#topology_generic>>::ProtocolsHandler as #into_protocols_handler>::Handler as #protocols_handler>::OutboundProtocol: ::libp2p::core::OutboundUpgrade<#substream_generic>},
|
||||
]
|
||||
})
|
||||
.collect::<Vec<_>>();
|
||||
@ -213,7 +214,7 @@ fn build_struct(ast: &DeriveInput, data_struct: &DataStruct) -> TokenStream {
|
||||
let ty = &field.ty;
|
||||
let field_info = quote!{ <#ty as #trait_to_impl<#topology_generic>>::ProtocolsHandler };
|
||||
match ph_ty {
|
||||
Some(ev) => ph_ty = Some(quote!{ #proto_select_ident<#ev, #field_info> }),
|
||||
Some(ev) => ph_ty = Some(quote!{ #into_proto_select_ident<#ev, #field_info> }),
|
||||
ref mut ev @ None => *ev = Some(field_info),
|
||||
}
|
||||
}
|
||||
@ -324,7 +325,7 @@ fn build_struct(ast: &DeriveInput, data_struct: &DataStruct) -> TokenStream {
|
||||
|
||||
#[inline]
|
||||
fn new_handler(&mut self) -> Self::ProtocolsHandler {
|
||||
use #protocols_handler;
|
||||
use #into_protocols_handler;
|
||||
#new_handler
|
||||
}
|
||||
|
||||
@ -342,17 +343,17 @@ fn build_struct(ast: &DeriveInput, data_struct: &DataStruct) -> TokenStream {
|
||||
fn inject_node_event(
|
||||
&mut self,
|
||||
peer_id: #peer_id,
|
||||
event: <Self::ProtocolsHandler as #protocols_handler>::OutEvent
|
||||
event: <<Self::ProtocolsHandler as #into_protocols_handler>::Handler as #protocols_handler>::OutEvent
|
||||
) {
|
||||
match event {
|
||||
#(#inject_node_event_stmts),*
|
||||
}
|
||||
}
|
||||
|
||||
fn poll(&mut self, poll_params: &mut #poll_parameters) -> ::libp2p::futures::Async<#network_behaviour_action<<Self::ProtocolsHandler as #protocols_handler>::InEvent, Self::OutEvent>> {
|
||||
fn poll(&mut self, poll_params: &mut #poll_parameters) -> ::libp2p::futures::Async<#network_behaviour_action<<<Self::ProtocolsHandler as #into_protocols_handler>::Handler as #protocols_handler>::InEvent, Self::OutEvent>> {
|
||||
use libp2p::futures::prelude::*;
|
||||
#(#poll_stmts)*
|
||||
let f: ::libp2p::futures::Async<#network_behaviour_action<<Self::ProtocolsHandler as #protocols_handler>::InEvent, Self::OutEvent>> = #poll_method;
|
||||
let f: ::libp2p::futures::Async<#network_behaviour_action<<<Self::ProtocolsHandler as #into_protocols_handler>::Handler as #protocols_handler>::InEvent, Self::OutEvent>> = #poll_method;
|
||||
f
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user