-path = require("path");
-exec = require("child_process").exec;
-http = require("http");
+var path = require('path'),
+ exec = require('child_process').exec,
+ http = require('http');
-port = parseInt(process.env.PORT || 8000);
+var port = parseInt(process.env.PORT || 8000);
-console.log('pid ' + process.pid);
-
-fixed = ""
-for (var i = 0; i < 20*1024; i++) {
- fixed += "C";
-}
-
-stored = {};
-storedBuffer = {};
+var fixed = makeString(20 * 1024, 'C'),
+ storedBytes = {},
+ storedBuffer = {},
+ storedUnicode = {};
var useDomains = process.env.NODE_USE_DOMAINS;
var domain = require('domain');
var gdom = domain.create();
gdom.on('error', function(er) {
- console.log('Error on global domain', er);
+ console.error('Error on global domain', er);
throw er;
});
gdom.enter();
}
-var server = http.createServer(function (req, res) {
-
+var server = module.exports = http.createServer(function (req, res) {
if (useDomains) {
var dom = domain.create();
dom.add(req);
dom.add(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 "bytes called with n <= 0"
- if (stored[n] === undefined) {
- console.log("create stored[n]");
- stored[n] = "";
- for (var i = 0; i < n; i++) {
- stored[n] += "C"
- }
+ throw new Error('bytes called with n <= 0')
+ if (storedBytes[n] === undefined) {
+ storedBytes[n] = makeString(n, 'C');
}
- body = stored[n];
+ body = storedBytes[n];
- } else if (command == "buffer") {
- var n = parseInt(arg, 10)
- if (n <= 0) throw new Error("bytes called with n <= 0");
+ } else if (command == 'buffer') {
+ var n = ~~arg;
+ if (n <= 0)
+ throw new Error('buffer called with n <= 0');
if (storedBuffer[n] === undefined) {
- console.log("create storedBuffer[n]");
storedBuffer[n] = new Buffer(n);
for (var i = 0; i < n; i++) {
- storedBuffer[n][i] = "C".charCodeAt(0);
+ storedBuffer[n][i] = 'C'.charCodeAt(0);
}
}
body = storedBuffer[n];
- } else if (command == "quit") {
+ } 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') {
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" });
+ } 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';
}
// 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" });
+ res.writeHead(status, { 'Content-Type': 'text/plain',
+ 'Transfer-Encoding': 'chunked' });
// send body in chunks
var len = body.length;
- var step = ~~(len / n_chunks) || len;
+ var step = Math.floor(len / n_chunks) || 1;
- for (var i = 0; i < len; i += step) {
- res.write(body.slice(i, i + step));
+ for (var i = 0, n = (n_chunks - 1); i < n; ++i) {
+ res.write(body.slice(i * step, i * step + step));
}
-
- res.end();
+ res.end(body.slice((n_chunks - 1) * step));
} else {
var content_length = body.length.toString();
- res.writeHead(status, { "Content-Type": "text/plain",
- "Content-Length": content_length });
+ res.writeHead(status, { 'Content-Type': 'text/plain',
+ 'Content-Length': content_length });
res.end(body);
}
-
});
-server.listen(port, function () {
- console.log('Listening at http://127.0.0.1:'+port+'/');
-});
+function makeString(size, c) {
+ var s = '';
+ while (s.length < size) {
+ s += c;
+ }
+ return s;
+}
-process.on('exit', function() {
- console.error('libuv counters', process.uvCounters());
+server.listen(port, function () {
+ if (module === require.main)
+ console.error('Listening at http://127.0.0.1:'+port+'/');
});