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| 1 | +//! An iroh node that just has the blobs transport |
| 2 | +use std::{path::Path, sync::Arc}; |
| 3 | + |
| 4 | +use iroh_net::{NodeAddr, NodeId}; |
| 5 | +use quic_rpc::client::BoxedServiceConnection; |
| 6 | +use tokio_util::task::AbortOnDropHandle; |
| 7 | + |
| 8 | +use crate::{ |
| 9 | + provider::{CustomEventSender, EventSender}, |
| 10 | + rpc::client::{blobs, tags}, |
| 11 | + util::local_pool::LocalPool, |
| 12 | +}; |
| 13 | + |
| 14 | +type RpcClient = quic_rpc::RpcClient< |
| 15 | + crate::rpc::proto::RpcService, |
| 16 | + BoxedServiceConnection<crate::rpc::proto::RpcService>, |
| 17 | + crate::rpc::proto::RpcService, |
| 18 | +>; |
| 19 | + |
| 20 | +/// An iroh node that just has the blobs transport |
| 21 | +#[derive(Debug)] |
| 22 | +pub struct Node { |
| 23 | + router: iroh_router::Router, |
| 24 | + client: RpcClient, |
| 25 | + _local_pool: LocalPool, |
| 26 | + _rpc_task: AbortOnDropHandle<()>, |
| 27 | +} |
| 28 | + |
| 29 | +/// An iroh node builder |
| 30 | +#[derive(Debug)] |
| 31 | +pub struct Builder<S> { |
| 32 | + store: S, |
| 33 | + events: EventSender, |
| 34 | +} |
| 35 | + |
| 36 | +impl<S: crate::store::Store> Builder<S> { |
| 37 | + /// Sets the event sender |
| 38 | + pub fn blobs_events(self, events: impl CustomEventSender) -> Self { |
| 39 | + Builder { |
| 40 | + store: self.store, |
| 41 | + events: events.into(), |
| 42 | + } |
| 43 | + } |
| 44 | + |
| 45 | + /// Spawns the node |
| 46 | + pub async fn spawn(self) -> anyhow::Result<Node> { |
| 47 | + let (client, router, rpc_task, _local_pool) = setup_router(self.store, self.events).await?; |
| 48 | + Ok(Node { |
| 49 | + router, |
| 50 | + client, |
| 51 | + _rpc_task: AbortOnDropHandle::new(rpc_task), |
| 52 | + _local_pool, |
| 53 | + }) |
| 54 | + } |
| 55 | +} |
| 56 | + |
| 57 | +impl Node { |
| 58 | + /// Creates a new node with memory storage |
| 59 | + pub fn memory() -> Builder<crate::store::mem::Store> { |
| 60 | + Builder { |
| 61 | + store: crate::store::mem::Store::new(), |
| 62 | + events: Default::default(), |
| 63 | + } |
| 64 | + } |
| 65 | + |
| 66 | + /// Creates a new node with persistent storage |
| 67 | + pub async fn persistent( |
| 68 | + path: impl AsRef<Path>, |
| 69 | + ) -> anyhow::Result<Builder<crate::store::fs::Store>> { |
| 70 | + Ok(Builder { |
| 71 | + store: crate::store::fs::Store::load(path).await?, |
| 72 | + events: Default::default(), |
| 73 | + }) |
| 74 | + } |
| 75 | + |
| 76 | + /// Returns the node id |
| 77 | + pub fn node_id(&self) -> NodeId { |
| 78 | + self.router.endpoint().node_id() |
| 79 | + } |
| 80 | + |
| 81 | + /// Returns the node address |
| 82 | + pub async fn node_addr(&self) -> anyhow::Result<NodeAddr> { |
| 83 | + self.router.endpoint().node_addr().await |
| 84 | + } |
| 85 | + |
| 86 | + /// Shuts down the node |
| 87 | + pub async fn shutdown(self) -> anyhow::Result<()> { |
| 88 | + self.router.shutdown().await |
| 89 | + } |
| 90 | + |
| 91 | + /// Returns an in-memory blobs client |
| 92 | + pub fn blobs(&self) -> blobs::Client { |
| 93 | + blobs::Client::new(self.client.clone()) |
| 94 | + } |
| 95 | + |
| 96 | + /// Returns an in-memory tags client |
| 97 | + pub fn tags(&self) -> tags::Client { |
| 98 | + tags::Client::new(self.client.clone()) |
| 99 | + } |
| 100 | +} |
| 101 | + |
| 102 | +async fn setup_router<S: crate::store::Store>( |
| 103 | + store: S, |
| 104 | + events: EventSender, |
| 105 | +) -> anyhow::Result<( |
| 106 | + RpcClient, |
| 107 | + iroh_router::Router, |
| 108 | + tokio::task::JoinHandle<()>, |
| 109 | + LocalPool, |
| 110 | +)> { |
| 111 | + let endpoint = iroh_net::Endpoint::builder().discovery_n0().bind().await?; |
| 112 | + let local_pool = LocalPool::single(); |
| 113 | + let mut router = iroh_router::Router::builder(endpoint.clone()); |
| 114 | + |
| 115 | + // Setup blobs |
| 116 | + let downloader = crate::downloader::Downloader::new( |
| 117 | + store.clone(), |
| 118 | + endpoint.clone(), |
| 119 | + local_pool.handle().clone(), |
| 120 | + ); |
| 121 | + let blobs = Arc::new(crate::net_protocol::Blobs::new_with_events( |
| 122 | + store.clone(), |
| 123 | + local_pool.handle().clone(), |
| 124 | + events, |
| 125 | + downloader, |
| 126 | + endpoint.clone(), |
| 127 | + )); |
| 128 | + router = router.accept(crate::protocol::ALPN.to_vec(), blobs.clone()); |
| 129 | + |
| 130 | + // Build the router |
| 131 | + let router = router.spawn().await?; |
| 132 | + |
| 133 | + // Setup RPC |
| 134 | + let (internal_rpc, controller) = |
| 135 | + quic_rpc::transport::flume::service_connection::<crate::rpc::proto::RpcService>(32); |
| 136 | + let controller = quic_rpc::transport::boxed::Connection::new(controller); |
| 137 | + let internal_rpc = quic_rpc::transport::boxed::ServerEndpoint::new(internal_rpc); |
| 138 | + let internal_rpc = quic_rpc::RpcServer::new(internal_rpc); |
| 139 | + |
| 140 | + let rpc_server_task: tokio::task::JoinHandle<()> = tokio::task::spawn(async move { |
| 141 | + loop { |
| 142 | + let request = internal_rpc.accept().await; |
| 143 | + match request { |
| 144 | + Ok(accepting) => { |
| 145 | + let blobs = blobs.clone(); |
| 146 | + tokio::task::spawn(async move { |
| 147 | + let (msg, chan) = accepting.read_first().await.unwrap(); |
| 148 | + blobs.handle_rpc_request(msg, chan).await.unwrap(); |
| 149 | + }); |
| 150 | + } |
| 151 | + Err(err) => { |
| 152 | + tracing::warn!("rpc error: {:?}", err); |
| 153 | + } |
| 154 | + } |
| 155 | + } |
| 156 | + }); |
| 157 | + |
| 158 | + let client = quic_rpc::RpcClient::new(controller); |
| 159 | + |
| 160 | + Ok((client, router, rpc_server_task, local_pool)) |
| 161 | +} |
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