doc: document directories in test directory

[platform/upstream/nodejs.git] / benchmark / http_simple.js

diff --git a/benchmark/http_simple.js b/benchmark/http_simple.js
index e709f2d..36800f2 100644 (file)
--- a/benchmark/http_simple.js
+++ b/benchmark/http_simple.js
@@ -1,64 +1,120 @@
-path = require("path");
+var path = require('path'),
+    exec = require('child_process').exec,
+    http = require('http');
 
-var puts = require("sys").puts;
+var port = parseInt(process.env.PORT || 8000);
 
-var old = (process.argv[2] == 'old');
+var fixed = makeString(20 * 1024, 'C'),
+    storedBytes = {},
+    storedBuffer = {},
+    storedUnicode = {};
 
-puts('pid ' + process.pid);
+var useDomains = process.env.NODE_USE_DOMAINS;
 
-http = require(old ? "http_old" : 'http');
-if (old) puts('old version');
-
-fixed = ""
-for (var i = 0; i < 20*1024; i++) {
-  fixed += "C";
+// set up one global domain.
+if (useDomains) {
+  var domain = require('domain');
+  var gdom = domain.create();
+  gdom.on('error', function(er) {
+    console.error('Error on global domain', er);
+    throw er;
+  });
+  gdom.enter();
 }
 
-stored = {};
+var server = module.exports = http.createServer(function (req, res) {
+  if (useDomains) {
+    var dom = domain.create();
+    dom.add(req);
+    dom.add(res);
+  }
 
-http.createServer(function (req, res) {
-  var commands = req.url.split("/");
+  var commands = req.url.split('/');
   var command = commands[1];
-  var body = "";
+  var body = '';
   var arg = commands[2];
+  var n_chunks = parseInt(commands[3], 10);
   var status = 200;
 
-  if (command == "bytes") {
-    var n = parseInt(arg, 10)
+  if (command == 'bytes') {
+    var n = ~~arg;
+    if (n <= 0)
+      throw new Error('bytes called with n <= 0')
+    if (storedBytes[n] === undefined) {
+      storedBytes[n] = makeString(n, 'C');
+    }
+    body = storedBytes[n];
+
+  } else if (command == 'buffer') {
+    var n = ~~arg;
     if (n <= 0)
-      throw "bytes called with n <= 0" 
-    if (stored[n] === undefined) {
-      puts("create stored[n]");
-      stored[n] = "";
+      throw new Error('buffer called with n <= 0');
+    if (storedBuffer[n] === undefined) {
+      storedBuffer[n] = new Buffer(n);
       for (var i = 0; i < n; i++) {
-        stored[n] += "C"
+        storedBuffer[n][i] = 'C'.charCodeAt(0);
       }
     }
-    body = stored[n];
+    body = storedBuffer[n];
+
+  } else if (command == 'unicode') {
+    var n = ~~arg;
+    if (n <= 0)
+      throw new Error('unicode called with n <= 0');
+    if (storedUnicode[n] === undefined) {
+      storedUnicode[n] = makeString(n, '\u263A');
+    }
+    body = storedUnicode[n];
 
-  } else if (command == "quit") {
+  } else if (command == 'quit') {
     res.connection.server.close();
-    body = "quitting";
+    body = 'quitting';
 
-  } else if (command == "fixed") {
+  } else if (command == 'fixed') {
     body = fixed;
 
+  } else if (command == 'echo') {
+    res.writeHead(200, { 'Content-Type': 'text/plain',
+                         'Transfer-Encoding': 'chunked' });
+    req.pipe(res);
+    return;
+
   } else {
     status = 404;
-    body = "not found\n";
+    body = 'not found\n';
   }
 
-  var content_length = body.length.toString();
+  // example: http://localhost:port/bytes/512/4
+  // sends a 512 byte body in 4 chunks of 128 bytes
+  if (n_chunks > 0) {
+    res.writeHead(status, { 'Content-Type': 'text/plain',
+                            'Transfer-Encoding': 'chunked' });
+    // send body in chunks
+    var len = body.length;
+    var step = Math.floor(len / n_chunks) || 1;
 
-  res.writeHead( status 
-                , { "Content-Type": "text/plain"
-                  , "Content-Length": content_length
-                  }
-                );
-  if (old) {
-    res.write(body, 'ascii');
-    res.close();
+    for (var i = 0, n = (n_chunks - 1); i < n; ++i) {
+      res.write(body.slice(i * step, i * step + step));
+    }
+    res.end(body.slice((n_chunks - 1) * step));
   } else {
-    res.end(body, 'ascii');
+    var content_length = body.length.toString();
+
+    res.writeHead(status, { 'Content-Type': 'text/plain',
+                            'Content-Length': content_length });
+    res.end(body);
   }
-}).listen(8000);
+});
+
+function makeString(size, c) {
+  var s = '';
+  while (s.length < size) {
+    s += c;
+  }
+  return s;
+}
+
+server.listen(port, function () {
+  if (module === require.main)
+    console.error('Listening at http://127.0.0.1:'+port+'/');
+});