refactor(iroh): move rpc handling into its own module

iroh-cli/src/commands/start.rs

@@ -28,7 +28,7 @@ use super::rpc::RpcStatus;
 
 const DEFAULT_RPC_PORT: u16 = 0x1337;
 const MAX_RPC_CONNECTIONS: u32 = 16;
-const MAX_RPC_STREAMS: u64 = 1024;
+const MAX_RPC_STREAMS: u32 = 1024;
 
 /// Whether to stop the node after running a command or run forever until stopped.
 #[derive(Debug, Copy, Clone, Eq, PartialEq)]
@@ -254,12 +254,17 @@ async fn make_rpc_endpoint(
     iroh_data_root: &Path,
 ) -> Result<impl ServiceEndpoint<ProviderService>> {
     let rpc_addr = SocketAddrV4::new(Ipv4Addr::LOCALHOST, rpc_port);
-    let server_config = iroh::node::make_server_config(
+    let mut transport_config = quinn::TransportConfig::default();
+    transport_config
+        .max_concurrent_bidi_streams(MAX_RPC_STREAMS.into())
+        .max_concurrent_uni_streams(0u32.into());
+    let mut server_config = iroh::net::magic_endpoint::make_server_config(
         secret_key,
-        MAX_RPC_STREAMS,
-        MAX_RPC_CONNECTIONS,
         vec![RPC_ALPN.to_vec()],
+        Some(transport_config),
+        false,
     )?;
+    server_config.concurrent_connections(MAX_RPC_CONNECTIONS);
 
     let rpc_quinn_endpoint = quinn::Endpoint::server(server_config.clone(), rpc_addr.into());
     let rpc_quinn_endpoint = match rpc_quinn_endpoint {

iroh-net/src/magic_endpoint.rs

@@ -177,7 +177,8 @@ impl MagicEndpointBuilder {
     }
 }
 
-fn make_server_config(
+/// Create a [`quinn::ServerConfig`] with the given secret key and limits.
+pub fn make_server_config(
     secret_key: &SecretKey,
     alpn_protocols: Vec<Vec<u8>>,
     transport_config: Option<quinn::TransportConfig>,
@@ -186,6 +187,7 @@ fn make_server_config(
     let tls_server_config = tls::make_server_config(secret_key, alpn_protocols, keylog)?;
     let mut server_config = quinn::ServerConfig::with_crypto(Arc::new(tls_server_config));
     server_config.transport_config(Arc::new(transport_config.unwrap_or_default()));
+
     Ok(server_config)
 }
 

iroh/examples/rpc.rs

@@ -35,10 +35,16 @@ fn make_rpc_endpoint(
     secret_key: &SecretKey,
 ) -> anyhow::Result<impl ServiceEndpoint<ProviderService>> {
     let rpc_addr = SocketAddr::V4(SocketAddrV4::new(Ipv4Addr::LOCALHOST, DEFAULT_RPC_PORT));
-    let rpc_quinn_endpoint = quinn::Endpoint::server(
-        iroh::node::make_server_config(secret_key, 8, 1024, vec![RPC_ALPN.to_vec()])?,
-        rpc_addr,
+    let mut transport_config = quinn::TransportConfig::default();
+    transport_config.max_concurrent_bidi_streams(8u32.into());
+    let mut config = iroh_net::magic_endpoint::make_server_config(
+        secret_key,
+        vec![RPC_ALPN.to_vec()],
+        Some(transport_config),
+        false,
     )?;
+    config.concurrent_connections(1024);
+    let rpc_quinn_endpoint = quinn::Endpoint::server(config, rpc_addr)?;
     let rpc_endpoint =
         QuinnServerEndpoint::<ProviderRequest, ProviderResponse>::new(rpc_quinn_endpoint)?;
     Ok(rpc_endpoint)