127 lines
3.2 KiB
Rust
127 lines
3.2 KiB
Rust
use std::net;
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use std::path::Path;
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use crossbeam_channel as chan;
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use nakamoto_net::{LocalTime, Reactor};
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use crate::clock::RefClock;
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use crate::collections::HashMap;
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use crate::crypto::Signer;
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use crate::service;
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use crate::storage::git::Storage;
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use crate::transport::Transport;
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use crate::wire::Wire;
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pub mod handle;
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/// Client configuration.
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#[derive(Debug, Clone)]
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pub struct Config {
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/// Client service configuration.
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pub service: service::Config,
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/// Client listen addresses.
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pub listen: Vec<net::SocketAddr>,
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}
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impl Config {
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/// Create a new configuration for the given network.
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pub fn new(network: service::Network) -> Self {
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Self {
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service: service::Config {
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network,
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..service::Config::default()
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},
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..Self::default()
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}
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}
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}
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impl Default for Config {
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fn default() -> Self {
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Self {
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service: service::Config::default(),
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listen: vec![([0, 0, 0, 0], 0).into()],
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}
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}
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}
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pub struct Client<R: Reactor, G: Signer> {
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reactor: R,
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storage: Storage,
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signer: G,
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handle: chan::Sender<service::Command>,
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commands: chan::Receiver<service::Command>,
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shutdown: chan::Sender<()>,
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listening: chan::Receiver<net::SocketAddr>,
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events: Events,
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}
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impl<R: Reactor, G: Signer> Client<R, G> {
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pub fn new<P: AsRef<Path>>(path: P, signer: G) -> Result<Self, nakamoto_net::error::Error> {
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let (handle, commands) = chan::unbounded::<service::Command>();
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let (shutdown, shutdown_recv) = chan::bounded(1);
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let (listening_send, listening) = chan::bounded(1);
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let reactor = R::new(shutdown_recv, listening_send)?;
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let storage = Storage::open(path)?;
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let events = Events {};
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Ok(Self {
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storage,
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signer,
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reactor,
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handle,
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commands,
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listening,
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shutdown,
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events,
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})
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}
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pub fn run(mut self, config: Config) -> Result<(), nakamoto_net::error::Error> {
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let network = config.service.network;
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let rng = fastrand::Rng::new();
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let time = LocalTime::now();
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let storage = self.storage;
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let signer = self.signer;
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let addresses = HashMap::with_hasher(rng.clone().into());
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log::info!("Initializing client ({:?})..", network);
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let service = service::Service::new(
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config.service,
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RefClock::from(time),
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storage,
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addresses,
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signer,
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rng,
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);
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self.reactor.run(
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&config.listen,
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Transport::new(Wire::new(service)),
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self.events,
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self.commands,
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)?;
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Ok(())
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}
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/// Create a new handle to communicate with the client.
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pub fn handle(&self) -> handle::Handle<R::Waker> {
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handle::Handle {
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waker: self.reactor.waker(),
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commands: self.handle.clone(),
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shutdown: self.shutdown.clone(),
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listening: self.listening.clone(),
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}
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}
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}
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pub struct Events {}
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impl nakamoto_net::Publisher<service::Event> for Events {
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fn publish(&mut self, e: service::Event) {
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log::info!("Received event {:?}", e);
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}
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}
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