From 71e285b94c7edaa43aa8115965cf5a36b8e0f80a Mon Sep 17 00:00:00 2001
From: Florian Dold <florian.dold@gmail.com>
Date: Wed, 3 Apr 2019 15:43:32 +0200
Subject: Node.js v11.13.0

---
 deps/node/benchmark/net/tcp-raw-pipe.js | 145 ++++++++++++++++++++++++++++++++
 1 file changed, 145 insertions(+)
 create mode 100644 deps/node/benchmark/net/tcp-raw-pipe.js

(limited to 'deps/node/benchmark/net/tcp-raw-pipe.js')

diff --git a/deps/node/benchmark/net/tcp-raw-pipe.js b/deps/node/benchmark/net/tcp-raw-pipe.js
new file mode 100644
index 00000000..89db42dc
--- /dev/null
+++ b/deps/node/benchmark/net/tcp-raw-pipe.js
@@ -0,0 +1,145 @@
+// In this benchmark, we connect a client to the server, and write
+// as many bytes as we can in the specified time (default = 10s)
+'use strict';
+
+const common = require('../common.js');
+const util = require('util');
+
+// If there are --dur=N and --len=N args, then
+// run the function with those settings.
+// if not, then queue up a bunch of child processes.
+const bench = common.createBenchmark(main, {
+  len: [102400, 1024 * 1024 * 16],
+  type: ['utf', 'asc', 'buf'],
+  dur: [5]
+}, {
+  flags: [ '--expose-internals', '--no-warnings' ]
+});
+
+function main({ dur, len, type }) {
+  const {
+    TCP,
+    TCPConnectWrap,
+    constants: TCPConstants
+  } = common.binding('tcp_wrap');
+  const { WriteWrap } = common.binding('stream_wrap');
+  const PORT = common.PORT;
+
+  function fail(err, syscall) {
+    throw util._errnoException(err, syscall);
+  }
+
+  // Server
+  const serverHandle = new TCP(TCPConstants.SERVER);
+  var err = serverHandle.bind('127.0.0.1', PORT);
+  if (err)
+    fail(err, 'bind');
+
+  err = serverHandle.listen(511);
+  if (err)
+    fail(err, 'listen');
+
+  serverHandle.onconnection = function(err, clientHandle) {
+    if (err)
+      fail(err, 'connect');
+
+    clientHandle.onread = function(buffer) {
+      // We're not expecting to ever get an EOF from the client.
+      // Just lots of data forever.
+      if (!buffer)
+        fail('read');
+
+      const writeReq = new WriteWrap();
+      writeReq.async = false;
+      err = clientHandle.writeBuffer(writeReq, Buffer.from(buffer));
+
+      if (err)
+        fail(err, 'write');
+
+      writeReq.oncomplete = function(status, handle, err) {
+        if (err)
+          fail(err, 'write');
+      };
+    };
+
+    clientHandle.readStart();
+  };
+
+  // Client
+  var chunk;
+  switch (type) {
+    case 'buf':
+      chunk = Buffer.alloc(len, 'x');
+      break;
+    case 'utf':
+      chunk = 'ü'.repeat(len / 2);
+      break;
+    case 'asc':
+      chunk = 'x'.repeat(len);
+      break;
+    default:
+      throw new Error(`invalid type: ${type}`);
+  }
+
+  const clientHandle = new TCP(TCPConstants.SOCKET);
+  const connectReq = new TCPConnectWrap();
+  var bytes = 0;
+
+  err = clientHandle.connect(connectReq, '127.0.0.1', PORT);
+  if (err)
+    fail(err, 'connect');
+
+  clientHandle.onread = function(buffer) {
+    if (!buffer)
+      fail('read');
+
+    bytes += buffer.byteLength;
+  };
+
+  connectReq.oncomplete = function(err) {
+    if (err)
+      fail(err, 'connect');
+
+    bench.start();
+
+    clientHandle.readStart();
+
+    setTimeout(() => {
+      // Multiply by 2 since we're sending it first one way
+      // then then back again.
+      bench.end(2 * (bytes * 8) / (1024 * 1024 * 1024));
+      process.exit(0);
+    }, dur * 1000);
+
+    while (clientHandle.writeQueueSize === 0)
+      write();
+  };
+
+  function write() {
+    const writeReq = new WriteWrap();
+    writeReq.oncomplete = afterWrite;
+    var err;
+    switch (type) {
+      case 'buf':
+        err = clientHandle.writeBuffer(writeReq, chunk);
+        break;
+      case 'utf':
+        err = clientHandle.writeUtf8String(writeReq, chunk);
+        break;
+      case 'asc':
+        err = clientHandle.writeAsciiString(writeReq, chunk);
+        break;
+    }
+
+    if (err)
+      fail(err, 'write');
+  }
+
+  function afterWrite(err, handle) {
+    if (err)
+      fail(err, 'write');
+
+    while (clientHandle.writeQueueSize === 0)
+      write();
+  }
+}
-- 
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