Delete the listen stub command.

zebrad/src/commands.rs

@@ -11,11 +11,10 @@
 //! application's configuration file.
 
 mod connect;
-mod listen;
 mod start;
 mod version;
 
-use self::{connect::ConnectCmd, listen::ListenCmd, start::StartCmd, version::VersionCmd};
+use self::{connect::ConnectCmd, start::StartCmd, version::VersionCmd};
 use crate::config::ZebradConfig;
 use abscissa_core::{
     config::Override, Command, Configurable, FrameworkError, Help, Options, Runnable,
@@ -43,10 +42,6 @@ pub enum ZebradCmd {
     /// The `connect` subcommand
     #[options(help = "testing stub for dumping network messages")]
     Connect(ConnectCmd),
-
-    /// The `listen` subcommand
-    #[options(help = "testing stub for dumping network messages")]
-    Listen(ListenCmd),
 }
 
 /// This trait allows you to define how application configuration is loaded.

zebrad/src/commands/listen.rs

@@ -1,104 +0,0 @@
-//! `listen` subcommand - test stub for talking to zcashd
-
-use crate::prelude::*;
-
-use abscissa_core::{Command, Options, Runnable};
-
-/// `listen` subcommand
-#[derive(Command, Debug, Options)]
-pub struct ListenCmd {
-    /// The address of the node to connect to.
-    #[options(help = "The address to listen on.", default = "127.0.0.1:28233")]
-    addr: std::net::SocketAddr,
-}
-
-impl Runnable for ListenCmd {
-    /// Start the application.
-    fn run(&self) {
-        info!(connect.addr = ?self.addr);
-
-        use crate::components::tokio::TokioComponent;
-
-        let wait = tokio::future::pending::<()>();
-        // Combine the connect future with an infinite wait
-        // so that the program has to be explicitly killed and
-        // won't die before all tracing messages are written.
-        let fut = futures::future::join(
-            async {
-                match self.listen().await {
-                    Ok(()) => {}
-                    Err(e) => {
-                        // Print any error that occurs.
-                        error!(?e);
-                    }
-                }
-            },
-            wait,
-        );
-
-        let _ = app_reader()
-            .state()
-            .components
-            .get_downcast_ref::<TokioComponent>()
-            .expect("TokioComponent should be available")
-            .rt
-            .block_on(fut);
-    }
-}
-
-impl ListenCmd {
-    async fn listen(&self) -> Result<(), failure::Error> {
-        use zebra_network::{
-            peer::PeerConnector,
-            peer_set::PeerSet,
-            protocol::internal::{Request, Response},
-            timestamp_collector::TimestampCollector,
-            Network,
-        };
-
-        info!("begin tower-based peer handling test stub");
-
-        use tower::{buffer::Buffer, service_fn, Service, ServiceExt};
-
-        let node = Buffer::new(
-            service_fn(|req| {
-                async move {
-                    info!(?req);
-                    Ok::<Response, failure::Error>(Response::Ok)
-                }
-            }),
-            1,
-        );
-
-        use tokio::net::{TcpListener, TcpStream};
-        use tokio::prelude::*;
-
-        let config = app_config().network.clone();
-        let collector = TimestampCollector::new();
-        let mut pc = Buffer::new(PeerConnector::new(config, node, &collector), 1);
-
-        let mut listener = TcpListener::bind(self.addr).await?;
-
-        loop {
-            let (tcp_stream, addr) = listener.accept().await?;
-
-            pc.ready()
-                .await
-                .map_err(failure::Error::from_boxed_compat)?;
-            let mut client = pc
-                .call((tcp_stream, addr))
-                .await
-                .map_err(failure::Error::from_boxed_compat)?;
-
-            let addrs = match client.call(Request::GetPeers).await? {
-                Response::Peers(addrs) => addrs,
-                _ => bail!("Got wrong response type"),
-            };
-            info!(
-                addrs.len = addrs.len(),
-                "asked for addresses from remote peer"
-            );
-        }
-        Ok(())
-    }
-}