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use std::future::{ready, Ready};
use libp2p_core::{InboundUpgrade, OutboundUpgrade, UpgradeInfo};
use libp2p_swarm::{Stream, StreamProtocol};
pub struct Upgrade {
pub(crate) supported_protocols: Vec<StreamProtocol>,
}
impl UpgradeInfo for Upgrade {
type Info = StreamProtocol;
type InfoIter = std::vec::IntoIter<StreamProtocol>;
fn protocol_info(&self) -> Self::InfoIter {
self.supported_protocols.clone().into_iter()
}
}
impl InboundUpgrade<Stream> for Upgrade {
type Output = (Stream, StreamProtocol);
type Error = void::Void;
type Future = Ready<Result<Self::Output, Self::Error>>;
fn upgrade_inbound(self, socket: Stream, info: Self::Info) -> Self::Future {
ready(Ok((socket, info)))
}
}
impl OutboundUpgrade<Stream> for Upgrade {
type Output = (Stream, StreamProtocol);
type Error = void::Void;
type Future = Ready<Result<Self::Output, Self::Error>>;
fn upgrade_outbound(self, socket: Stream, info: Self::Info) -> Self::Future {
ready(Ok((socket, info)))
}
}
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