http: set async_id_symbol to any socket set

OutgoingMessage needs a async-hooks enabled socket to work, but
we support also basic streams. This PR init the async-hooks bits
for the passed stream if it is needed.

PR-URL: #14389
Fixes: #14386
Fixes: #14381

lib/_http_outgoing.js

@@ -32,8 +32,10 @@ const checkIsHttpToken = common._checkIsHttpToken;
 const checkInvalidHeaderChar = common._checkInvalidHeaderChar;
 const outHeadersKey = require('internal/http').outHeadersKey;
 const async_id_symbol = process.binding('async_wrap').async_id_symbol;
+const async_hooks = require('async_hooks');
 const nextTick = require('internal/process/next_tick').nextTick;
 const errors = require('internal/errors');
+const kSocket = Symbol('socket');
 
 const CRLF = common.CRLF;
 const debug = common.debug;
@@ -116,7 +118,7 @@ function OutgoingMessage() {
   this.finished = false;
   this._headerSent = false;
 
-  this.socket = null;
+  this[kSocket] = null;
   this.connection = null;
   this._header = null;
   this[outHeadersKey] = null;
@@ -125,6 +127,19 @@ function OutgoingMessage() {
 }
 util.inherits(OutgoingMessage, Stream);
 
+Object.defineProperty(OutgoingMessage.prototype, 'socket', {
+  get: function() {
+    return this[kSocket];
+  },
+  set: function(socket) {
+    this[kSocket] = socket;
+    if (socket && socket[async_id_symbol] === undefined) {
+      socket[async_id_symbol] = async_hooks.newUid();
+      async_hooks.emitInit(socket[async_id_symbol], 'not-a-socket',
+                           async_hooks.initTriggerId(), this);
+    }
+  }
+});
 
 Object.defineProperty(OutgoingMessage.prototype, '_headers', {
   get: function() {

test/parallel/test-http-outgoing-message-inheritance.js

@@ -0,0 +1,32 @@
+'use strict';
+
+const common = require('../common');
+const { OutgoingMessage } = require('http');
+const { Writable } = require('stream');
+const assert = require('assert');
+
+// check that OutgoingMessage can be used without a proper Socket
+// Fixes: https://github.com/nodejs/node/issues/14386
+// Fixes: https://github.com/nodejs/node/issues/14381
+
+class Response extends OutgoingMessage {
+  constructor() {
+    super({ method: 'GET', httpVersionMajor: 1, httpVersionMinor: 1 });
+  }
+
+  _implicitHeader() {}
+}
+
+const res = new Response();
+const ws = new Writable({
+  write: common.mustCall((chunk, encoding, callback) => {
+    assert(chunk.toString().match(/hello world/));
+    setImmediate(callback);
+  })
+});
+
+res.socket = ws;
+ws._httpMessage = res;
+res.connection = ws;
+
+res.end('hello world');

test/parallel/test-http-server-response-standalone.js

@@ -0,0 +1,27 @@
+'use strict';
+
+const common = require('../common');
+const { ServerResponse } = require('http');
+const { Writable } = require('stream');
+const assert = require('assert');
+
+// check that ServerResponse can be used without a proper Socket
+// Fixes: https://github.com/nodejs/node/issues/14386
+// Fixes: https://github.com/nodejs/node/issues/14381
+
+const res = new ServerResponse({
+  method: 'GET',
+  httpVersionMajor: 1,
+  httpVersionMinor: 1
+});
+
+const ws = new Writable({
+  write: common.mustCall((chunk, encoding, callback) => {
+    assert(chunk.toString().match(/hello world/));
+    setImmediate(callback);
+  })
+});
+
+res.assignSocket(ws);
+
+res.end('hello world');