41 lines
1.5 KiB
Rust
41 lines
1.5 KiB
Rust
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use std::net::{IpAddr, Ipv4Addr};
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use futures::StreamExt;
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use tarpc::server;
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use tarpc::server::incoming::Incoming;
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use tarpc::server::{Channel, Serve};
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use tarpc::tokio_serde::formats::Bincode;
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pub async fn start<Server, Req, Build>(name: &str, port: u16, build: Build)
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where
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Server: Serve<Req> + Send + 'static + Clone,
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Build: Fn() -> Server,
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<Server as Serve<Req>>::Fut: Send,
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<Server as Serve<Req>>::Resp: serde::Serialize + Send + 'static,
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Req: Send + 'static,
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Req: for<'l> serde::Deserialize<'l>,
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{
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let server_addr = (IpAddr::V4(Ipv4Addr::LOCALHOST), port);
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let mut listener = tarpc::serde_transport::tcp::listen(&server_addr, Bincode::default)
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.await
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.unwrap();
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tracing::info!("Starting {} rpc at {}", name, listener.local_addr());
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listener.config_mut().max_frame_length(usize::MAX);
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listener
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// Ignore accept errors.
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.filter_map(|r| futures::future::ready(r.ok()))
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.map(server::BaseChannel::with_defaults)
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// Limit channels to 8 per IP.
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.max_channels_per_key(8, |t| t.transport().peer_addr().unwrap().ip())
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.max_concurrent_requests_per_channel(20)
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// serve is generated by the service attribute. It takes as input any type implementing
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// the generated World trait.
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.map(|channel| channel.execute(build()))
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// Max 10 channels.
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.buffer_unordered(10)
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.for_each(|_| async {})
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.await;
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tracing::info!("RPC channel closed");
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}
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