feat: stabilize Deno.shutdown() and Conn#closeWrite()

Closes: #9099

cli/diagnostics.rs

@@ -34,7 +34,6 @@ const UNSTABLE_DENO_PROPS: &[&str] = &[
   "PluginPermissionDescriptor",
   "ReadPermissionDescriptor",
   "RunPermissionDescriptor",
-  "ShutdownMode",
   "Signal",
   "SignalStream",
   "StartTlsOptions",

cli/dts/lib.deno.ns.d.ts

@@ -1711,11 +1711,7 @@ declare namespace Deno {
     /** The resource ID of the connection. */
     readonly rid: number;
     /** Shuts down (`shutdown(2)`) the writing side of the TCP connection. Most
-     * callers should just use `close()`.
-     *
-     * **Unstable** because of lack of testing and because Deno.shutdown is also
-     * unstable.
-     * */
+     * callers should just use `close()`. */
     closeWrite(): void;
   }
 
@@ -1809,6 +1805,18 @@ declare namespace Deno {
    */
   export function connectTls(options: ConnectTlsOptions): Promise<Conn>;
 
+  /** Shutdown socket send operations.
+   *
+   * Matches behavior of POSIX shutdown(3).
+   *
+   * ```ts
+   * const listener = Deno.listen({ port: 80 });
+   * const conn = await listener.accept();
+   * Deno.shutdown(conn.rid);
+   * ```
+   */
+  export function shutdown(rid: number): Promise<void>;
+
   export interface Metrics {
     opsDispatched: number;
     opsDispatchedSync: number;

cli/dts/lib.deno.unstable.d.ts

@@ -835,32 +835,6 @@ declare namespace Deno {
     mtime: number | Date,
   ): Promise<void>;
 
-  /** **UNSTABLE**: Under consideration to remove `ShutdownMode` entirely.
-   *
-   * Corresponds to `SHUT_RD`, `SHUT_WR`, `SHUT_RDWR` on POSIX-like systems.
-   *
-   * See: http://man7.org/linux/man-pages/man2/shutdown.2.html */
-  export enum ShutdownMode {
-    Read = 0,
-    Write,
-    ReadWrite, // TODO(ry) panics on ReadWrite.
-  }
-
-  /** **UNSTABLE**: Both the `how` parameter and `ShutdownMode` enum are under
-   * consideration for removal.
-   *
-   * Shutdown socket send and receive operations.
-   *
-   * Matches behavior of POSIX shutdown(3).
-   *
-   * ```ts
-   * const listener = Deno.listen({ port: 80 });
-   * const conn = await listener.accept();
-   * Deno.shutdown(conn.rid, Deno.ShutdownMode.Write);
-   * ```
-   */
-  export function shutdown(rid: number, how: ShutdownMode): Promise<void>;
-
   /** **UNSTABLE**: new API, yet to be vetted.
    *
    * A generic transport listener for message-oriented protocols. */

runtime/js/30_net.js

@@ -5,19 +5,8 @@
   const { errors } = window.__bootstrap.errors;
   const { read, write } = window.__bootstrap.io;
 
-  const ShutdownMode = {
-    // See http://man7.org/linux/man-pages/man2/shutdown.2.html
-    // Corresponding to SHUT_RD, SHUT_WR, SHUT_RDWR
-    0: "Read",
-    1: "Write",
-    2: "ReadWrite",
-    Read: 0, // TODO: nonsense, remove me.
-    Write: 1,
-    ReadWrite: 2, // unused
-  };
-
-  function shutdown(rid, how) {
-    return core.jsonOpAsync("op_shutdown", { rid, how });
+  function shutdown(rid) {
+    return core.jsonOpAsync("op_shutdown", { rid });
   }
 
   function opAccept(rid, transport) {
@@ -78,9 +67,8 @@
       core.close(this.rid);
     }
 
-    // TODO(lucacasonato): make this unavailable in stable
     closeWrite() {
-      shutdown(this.rid, ShutdownMode.Write);
+      shutdown(this.rid);
     }
   }
 
@@ -221,7 +209,6 @@
     opListen,
     Listener,
     shutdown,
-    ShutdownMode,
     Datagram,
   };
 })(this);

runtime/js/90_deno_ns.js

@@ -111,7 +111,6 @@
     applySourceMap: __bootstrap.errorStack.opApplySourceMap,
     formatDiagnostics: __bootstrap.errorStack.opFormatDiagnostics,
     shutdown: __bootstrap.net.shutdown,
-    ShutdownMode: __bootstrap.net.ShutdownMode,
     listen: __bootstrap.netUnstable.listen,
     connect: __bootstrap.netUnstable.connect,
     listenDatagram: __bootstrap.netUnstable.listenDatagram,

runtime/ops/net.rs

@@ -24,7 +24,6 @@ use deno_core::ZeroCopyBuf;
 use serde::Deserialize;
 use std::borrow::Cow;
 use std::cell::RefCell;
-use std::net::Shutdown;
 use std::net::SocketAddr;
 use std::rc::Rc;
 use tokio::io::AsyncWriteExt;
@@ -331,7 +330,6 @@ async fn op_connect(
 #[derive(Deserialize)]
 struct ShutdownArgs {
   rid: i32,
-  how: i32,
 }
 
 async fn op_shutdown(
@@ -344,14 +342,6 @@ async fn op_shutdown(
   let args: ShutdownArgs = serde_json::from_value(args)?;
 
   let rid = args.rid as u32;
-  let how = args.how;
-
-  // TODO(bartlomieju): no longer needed after Tokio 1.0 upgrade
-  let _shutdown_mode = match how {
-    0 => Shutdown::Read, // TODO: nonsense, remove me.
-    1 => Shutdown::Write,
-    _ => unimplemented!(),
-  };
 
   let resource = state
     .borrow()