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bench: add http_simple_auto benchmark

Starts a server and benchmarks it with ab.
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commit 7535e3930a6d78674fb163d62ab818f8cb924df1 1 parent 7865c5c
@bnoordhuis bnoordhuis authored
Showing with 109 additions and 0 deletions.
  1. +109 −0 benchmark/http_simple_auto.js
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109 benchmark/http_simple_auto.js
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+//
+// Usage:
+// node benchmark/http_simple_auto.js <args> <target>
+//
+// Where:
+// <args> Arguments to pass to `ab`.
+// <target> Target to benchmark, e.g. `bytes/1024` or `buffer/8192`.
+//
+
+var path = require("path");
+var http = require("http");
+var spawn = require("child_process").spawn;
+
+var port = parseInt(process.env.PORT || 8000);
+
+var fixed = ""
+for (var i = 0; i < 20*1024; i++) {
+ fixed += "C";
+}
+
+var stored = {};
+var storedBuffer = {};
+
+var server = http.createServer(function (req, res) {
+ var commands = req.url.split("/");
+ var command = commands[1];
+ 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 (n <= 0)
+ throw "bytes called with n <= 0"
+ if (stored[n] === undefined) {
+ stored[n] = "";
+ for (var i = 0; i < n; i++) {
+ stored[n] += "C"
+ }
+ }
+ body = stored[n];
+
+ } else if (command == "buffer") {
+ var n = parseInt(arg, 10)
+ if (n <= 0) throw new Error("bytes called with n <= 0");
+ if (storedBuffer[n] === undefined) {
+ storedBuffer[n] = new Buffer(n);
+ for (var i = 0; i < n; i++) {
+ storedBuffer[n][i] = "C".charCodeAt(0);
+ }
+ }
+ body = storedBuffer[n];
+
+ } else if (command == "quit") {
+ res.connection.server.close();
+ body = "quitting";
+
+ } 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";
+ }
+
+ // 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 = ~~(len / n_chunks) || len;
+
+ for (var i = 0; i < len; i += step) {
+ res.write(body.slice(i, i + step));
+ }
+
+ res.end();
+ } else {
+ var content_length = body.length.toString();
+
+ res.writeHead(status, { "Content-Type": "text/plain",
+ "Content-Length": content_length });
+ res.end(body);
+ }
+
+});
+
+server.listen(port, function () {
+ var url = 'http://127.0.0.1:' + port + '/';
+
+ var n = process.argv.length - 1;
+ process.argv[n] = url + process.argv[n];
+
+ var cp = spawn('ab', process.argv.slice(2));
+ cp.stdout.pipe(process.stdout);
+ cp.stderr.pipe(process.stderr);
+ cp.on('exit', function() {
+ server.close();
+ });
+});
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