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#!/usr/bin/env node
"use strict";
require("console-dope");
var connect = require("connect"),
http = require("http"),
fs = require("fs"),
Thing = require("nature").Thing,
w = require("wodge"),
path = require("path");
var usage = "usage: ws [--directory|-d <directory>] [--port|-p <port>] [--log-format|-f dev|default|short|tiny]";
function halt(message){
console.red.log("Error: %s", message);
console.log(usage);
process.exit(1);
}
/**
parse command-line args
*/
var argv = new Thing()
.define({ name: "port", alias: "p", type: "number", defaultOption: true, value: 8000 })
.define({ name: "log-format", alias: "f", type: "string" })
.define({ name: "help", alias: "h", type: "boolean" })
.define({ name: "directory", alias: "d", type: "string", value: process.cwd() })
.define({ name: "compress", alias: "c", type: "boolean" })
.on("error", function(err){
halt(err.message);
});
/*
Set default options from "package.json", ".local-web-server.json" or "~/.local-web-server.json", in that order
*/
var pkgPath = path.join(process.cwd(), "package.json"),
lwsPath = path.join(process.cwd(), ".local-web-server.json"),
homePath = path.join(w.getHomeDir(), ".local-web-server.json");
if (fs.existsSync(pkgPath)){
argv.set(require(pkgPath)["local-web-server"]);
}
if (fs.existsSync(lwsPath)){
argv.set(require(lwsPath));
}
if (fs.existsSync(homePath)){
argv.set(require(homePath));
}
/*
Finally, set the options from the command-line, overriding all defaults.
*/
argv.set(process.argv);
/**
Die here if invalid args received
*/
if (!argv.valid) halt(argv.validationMessages);
/**
$ ws --help
*/
if (argv.help){
console.log(usage);
} else {
var total = {
req: 0,
bytes: 0,
connections: 0
};
process.on("SIGINT", function(){
console.showCursor();
console.log();
process.exit(0);
});
/**
customised connect.logger :date token, purely to satisfy Logstalgia.
*/
connect.logger.token("date", function(){
var a = new Date();
return (a.getDate() + "/" + a.getUTCMonth() + "/" + a.getFullYear() + ":" + a.toTimeString())
.replace("GMT", "").replace(" (BST)", "");
});
var app = connect();
/*
log using --log-format (if supplied), else output statics
*/
if(argv["log-format"]){
app.use(connect.logger(argv["log-format"]));
} else {
app.use(function(req, res, next){
console.column(1).write(++total.req);
next();
});
}
/**
--compress enables compression
*/
if (argv.compress) app.use(connect.compress());
/**
static file server including directory browsing support
*/
app.use(connect.static(path.resolve(argv.directory)))
.use(connect.directory(path.resolve(argv.directory), { icons: true }));
/**
launch server
*/
var server = http.createServer(app)
.on("error", function(err){
if (err.code === "EADDRINUSE"){
halt("port " + argv.port + " is already is use");
} else {
halt(err.message);
}
})
.listen(argv.port);
/*
write status to stderr so stdout can be piped to disk ($ ws > log.txt)
*/
if (path.resolve(argv.directory) === process.cwd()){
console.error("serving at %underline{%s}", "http://localhost:" + argv.port);
} else {
console.error("serving %underline{%s} at %underline{%s}", argv.directory, "http://localhost:" + argv.port);
}
/**
in stats mode, monitor connections and bytes transferred
*/
if (!argv["log-format"]){
console.hideCursor();
console.log("%underline{Requests} %underline{Data} %underline{Connections}");
server.on("connection", function(socket){
var oldWrite = socket.write;
socket.write = function(data) {
if (!Buffer.isBuffer(data)) {
data = new Buffer(data);
}
oldWrite.call(this, data);
total.bytes += data.length;
console.column(12).write(w.padRight(w.bytesToSize(total.bytes, 2), 12));
};
console.column(24).write(++total.connections);
socket.on("close", function(){
console.column(24).write(w.padRight(--total.connections));
});
});
}
}