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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// option. This file may not be copied, modified, or distributed
// except according to those terms.
pub(crate) mod webtransport_session;
pub(crate) mod webtransport_streams;
use std::fmt::Debug;
use neqo_common::Header;
use neqo_transport::{AppError, StreamId};
pub(crate) use webtransport_session::WebTransportSession;
use crate::{
client_events::Http3ClientEvents,
features::NegotiationState,
settings::{HSettingType, HSettings},
CloseType, Http3StreamInfo, Http3StreamType,
};
#[derive(Debug, PartialEq, Eq, Clone)]
pub enum SessionCloseReason {
Error(AppError),
Status(u16),
Clean { error: u32, message: String },
}
impl From<CloseType> for SessionCloseReason {
fn from(close_type: CloseType) -> Self {
match close_type {
CloseType::ResetApp(e) | CloseType::ResetRemote(e) | CloseType::LocalError(e) => {
Self::Error(e)
}
CloseType::Done => Self::Clean {
error: 0,
message: String::new(),
},
}
}
}
pub(crate) trait ExtendedConnectEvents: Debug {
fn session_start(
&self,
connect_type: ExtendedConnectType,
stream_id: StreamId,
status: u16,
headers: Vec<Header>,
);
fn session_end(
&self,
connect_type: ExtendedConnectType,
stream_id: StreamId,
reason: SessionCloseReason,
headers: Option<Vec<Header>>,
);
fn extended_connect_new_stream(&self, stream_info: Http3StreamInfo);
fn new_datagram(&self, session_id: StreamId, datagram: Vec<u8>);
}
#[derive(Debug, PartialEq, Copy, Clone, Eq)]
pub(crate) enum ExtendedConnectType {
WebTransport,
}
impl ExtendedConnectType {
#[must_use]
#[allow(clippy::unused_self)] // This will change when we have more features using ExtendedConnectType.
pub const fn string(self) -> &'static str {
"webtransport"
}
#[allow(clippy::unused_self)] // This will change when we have more features using ExtendedConnectType.
#[must_use]
pub const fn get_stream_type(self, session_id: StreamId) -> Http3StreamType {
Http3StreamType::WebTransport(session_id)
}
}
impl From<ExtendedConnectType> for HSettingType {
fn from(_type: ExtendedConnectType) -> Self {
// This will change when we have more features using ExtendedConnectType.
Self::EnableWebTransport
}
}
#[derive(Debug)]
pub(crate) struct ExtendedConnectFeature {
feature_negotiation: NegotiationState,
}
impl ExtendedConnectFeature {
#[must_use]
pub fn new(connect_type: ExtendedConnectType, enable: bool) -> Self {
Self {
feature_negotiation: NegotiationState::new(enable, HSettingType::from(connect_type)),
}
}
pub fn set_listener(&mut self, new_listener: Http3ClientEvents) {
self.feature_negotiation.set_listener(new_listener);
}
pub fn handle_settings(&mut self, settings: &HSettings) {
self.feature_negotiation.handle_settings(settings);
}
#[must_use]
pub const fn enabled(&self) -> bool {
self.feature_negotiation.enabled()
}
}
#[cfg(test)]
mod tests;