webapp.coffee

#!/usr/bin/env coffee
http = require("http")
url = require("url")
path = require("path")
fs = require("fs")
# cluster = require("cluster")

port = process.argv[2] or 8888


handleRequest = (request, response) ->
	
	uri = url.parse(request.url).pathname
	filename = path.join(process.cwd(), uri)

	path.exists(filename, (exists) ->
		
		if uri is "/app.manifest"
			
			modificationTimeSum = 0
			
			response.writeHead(200, "Content-Type": "text/cache-manifest")
			
			response.write("CACHE MANIFEST\n")
			
			
			addFiles = (relativePath) ->
		
				for file in fs.readdirSync(relativePath)
					
					if file[0] == "."
						continue
					
					filePath = path.join(relativePath, file)
					if fs.statSync(filePath).isDirectory()
						addFiles(filePath)
					else
						modificationTimeSum += fs.statSync(filePath).mtime.getTime()
						response.write("#{filePath}\n")
			
			addFiles(".")
			
			response.write("NETWORK:\n/\n*\n")
			response.write("# SUM #{modificationTimeSum}\n")
			
			response.end()
			console.log("200 #{uri}")
			return
		
		if not exists
			response.writeHead(404, "Content-Type": "text/plain")
			response.write("404 Not Found\n")
			response.end()
			console.log("404 #{uri}")
			return
		
		if fs.statSync(filename).isDirectory()
			filename += "/index.html"
		
		fs.readFile(filename, "binary", (err, file) ->
			if err
				response.writeHead(500, {"Content-Type": "text/plain"})
				response.write("#{err}\n")
				response.end()
				console.log("500 #{uri}")
				return
			
			response.writeHead(200, {"Cache-Control": "public, max-age=3600"})
			response.write(file, "binary")
			response.end()
			console.log("200 #{uri}")
		)
	
	)


server = http.createServer(handleRequest)
server.listen(parseInt(port, 10))

# cluster(server).listen(parseInt(port, 10))

console.log("Static file server running at http://localhost:#{port}")