From a65296db2c544df91e0f6c8cbc8ff79691f870fe Mon Sep 17 00:00:00 2001
From: James M Snell <jasnell@gmail.com>
Date: Mon, 13 Jul 2020 20:05:43 -0700
Subject: [PATCH] quic: remove stream pending code

Removing no longer needed code

PR-URL: https://github.com/nodejs/node/pull/34351
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
---
 lib/internal/quic/core.js                | 43 +-----------------------
 test/parallel/test-quic-client-server.js |  1 -
 2 files changed, 1 insertion(+), 43 deletions(-)

diff --git a/lib/internal/quic/core.js b/lib/internal/quic/core.js
index a8d35c47a8633e..4fc7ca721a0e3d 100644
--- a/lib/internal/quic/core.js
+++ b/lib/internal/quic/core.js
@@ -1666,7 +1666,6 @@ class QuicSession extends EventEmitter {
     silentClose: false,
     statelessReset: false,
     stats: undefined,
-    pendingStreams: new Set(),
     streams: new Map(),
     verifyErrorReason: undefined,
     verifyErrorCode: undefined,
@@ -1969,12 +1968,6 @@ class QuicSession extends EventEmitter {
       return;
     state.destroyed = true;
 
-    // Destroy any pending streams immediately. These
-    // are streams that have been created but have not
-    // yet been assigned an internal handle.
-    for (const stream of state.pendingStreams)
-      stream.destroy(error);
-
     // Destroy any remaining streams immediately.
     for (const stream of state.streams.values())
       stream.destroy(error);
@@ -2534,7 +2527,7 @@ function streamOnResume() {
 }
 
 function streamOnPause() {
-  if (!this.destroyed /* && !this.pending */)
+  if (!this.destroyed)
     this[kHandle].readStop();
 }
 
@@ -2658,9 +2651,6 @@ class QuicStream extends Duplex {
     if (this.destroyed || state.closed)
       return;
 
-    if (this.pending)
-      return this.once('ready', () => this[kClose](family, code));
-
     state.closed = true;
 
     state.aborted = this.readable || this.writable;
@@ -2712,11 +2702,6 @@ class QuicStream extends Duplex {
     // TODO(@jasnell): Implement this later
   }
 
-  get pending() {
-    // The id is set in the kSetHandle function
-    return this[kInternalState].id === undefined;
-  }
-
   get aborted() {
     return this[kInternalState].aborted;
   }
@@ -2741,16 +2726,6 @@ class QuicStream extends Duplex {
     if (this.destroyed)
       return;  // TODO(addaleax): Can this happen?
 
-    // The stream should be corked while still pending
-    // but just in case uncork
-    // was called early, defer the actual write until the
-    // ready event is emitted.
-    if (this.pending) {
-      return this.once('ready', () => {
-        this[kWriteGeneric](writev, data, encoding, cb);
-      });
-    }
-
     this[kUpdateTimer]();
     const req = (writev) ?
       writevGeneric(this, data, cb) :
@@ -2774,13 +2749,6 @@ class QuicStream extends Duplex {
   // coming so that a fin stream packet can be
   // sent.
   _final(cb) {
-    // The QuicStream should be corked while pending
-    // so this shouldn't be called, but just in case
-    // the stream was prematurely uncorked, defer the
-    // operation until the ready event is emitted.
-    if (this.pending)
-      return this.once('ready', () => this._final(cb));
-
     const handle = this[kHandle];
     if (handle === undefined) {
       cb();
@@ -2796,9 +2764,6 @@ class QuicStream extends Duplex {
   }
 
   _read(nread) {
-    if (this.pending)
-      return this.once('ready', () => this._read(nread));
-
     if (this.destroyed) {  // TODO(addaleax): Can this happen?
       this.push(null);
       return;
@@ -2848,12 +2813,6 @@ class QuicStream extends Duplex {
     else if (typeof fd !== 'number')
       throw new ERR_INVALID_ARG_TYPE('fd', ['number', 'FileHandle'], fd);
 
-    if (this.pending) {
-      return this.once('ready', () => {
-        this.sendFD(fd, { offset, length }, ownsFd);
-      });
-    }
-
     this[kUpdateTimer]();
     this.ownsFd = ownsFd;
 
diff --git a/test/parallel/test-quic-client-server.js b/test/parallel/test-quic-client-server.js
index d9b477b7eecb94..23295ed2334bbb 100644
--- a/test/parallel/test-quic-client-server.js
+++ b/test/parallel/test-quic-client-server.js
@@ -170,7 +170,6 @@ client.on('close', common.mustCall(onSocketClose.bind(client)));
       assert(!stream.unidirectional);
       assert(stream.clientInitiated);
       assert(!stream.serverInitiated);
-      assert(!stream.pending);
 
       const file = fs.createReadStream(__filename);
       let data = '';