Implmeent cli arguments and simple threading.

Default to one thread per CPU, but we can limit this with something like: node app/server.js threads=1

src/all/server.js

@@ -1,28 +1,56 @@
-var matador = require('matador')
+var matador = require('matador'),
+  cluster = require('cluster');
+  http = require('http');
+  numCPUs = require('os').cpus().length,
 
-app.configure(function () {
-  app.set('models', __dirname + '/app/models')
-  app.set('helpers', __dirname + '/app/helpers')
-  app.set('views', __dirname + '/app/views')
-  app.set('controllers', __dirname + '/app/controllers')
+  // Command line arguments
+  args = {}
 
-  app.set('view engine', 'html')
-  app.register('.html', matador.engine)
-
-  app.use(matador.cookieParser())
-  app.use(matador.bodyParser())
-  app.use(matador.methodOverride())
-  app.use(matador.static(__dirname + '/public'))
+process.argv.forEach(function(val, index, array) {
+  if (val.indexOf('=') !== -1) {
+    var parts = val.split('=')
+    args[parts[0]] = parts[1]
+  }
 })
 
-app.configure('development', function () {
-  app.use(matador.errorHandler({ dumpExceptions: true, showStack: true }))
-})
+// Default threads to max possible
+args.threads = args.threads || numCPUs
 
-app.configure('production', function () {
-  app.use(matador.errorHandler())
-})
-app.set('viewPartials', matador.partials.build(app.set('views')))
-matador.mount(require('./app/config/routes'))
-app.listen(3000)
-console.log('matador running on port 3000')
+// Listen on multiple threads
+if (cluster.isMaster) {
+  // Fork workers.
+  for (var i = 0; i < args.threads; i++) {
+    cluster.fork()
+  }
+
+  cluster.on('death', function(worker) {
+    console.log('worker ' + worker.pid + ' died')
+  })
+} else {
+  app.configure(function () {
+    app.set('models', __dirname + '/app/models')
+    app.set('helpers', __dirname + '/app/helpers')
+    app.set('views', __dirname + '/app/views')
+    app.set('controllers', __dirname + '/app/controllers')
+
+    app.set('view engine', 'html')
+    app.register('.html', matador.engine)
+
+    app.use(matador.cookieParser())
+    app.use(matador.bodyParser())
+    app.use(matador.methodOverride())
+    app.use(matador.static(__dirname + '/public'))
+  })
+
+  app.configure('development', function () {
+    app.use(matador.errorHandler({ dumpExceptions: true, showStack: true }))
+  })
+
+  app.configure('production', function () {
+    app.use(matador.errorHandler())
+  })
+  app.set('viewPartials', matador.partials.build(app.set('views')))
+  matador.mount(require('./app/config/routes'))
+  app.listen(3000)
+  console.log('matador running on port 3000')
+}