index.js
var server = require("./server");
var router = require("./router");
var requestHandlers = require("./requestHandlers");
var handle = {};
handle["/"] = requestHandlers.start;
handle["/start"] = requestHandlers.start;
handle["/upload"] = requestHandlers.upload;
handle["/show"] = requestHandlers.show;
server.start(router.route,handle);
requestHandler.js
var exec = require("child_process").exec;
var querystring = require("querystring"),
fs = require("fs"),
formidable = require("formidable");
function start(response) {
console.log("Request handler 'start' was called.");
var body = '<html>' +
'<head>'+
'<meta http-equiv="Content-type" content="text/html;'+
'charset=UTF-8" />'+
'</head>'+
'<body>'+
'<form action="/upload" enctype="multipart/form-data" method="post">'+
'<input type="file" name="upload">' +
'<input type="submit" value="Upload file" />'+
'</form>'+
'</body>'+
'</html>'
response.writeHead(200, {"Content-Type": "text/html"});
response.write(body);
response.end();
// var content = "empty";
/*exec("find /",
{ timeout: 10000, maxBuffer: 20000*1024},
function (error, stdout, stderr) {
// content = stdout;
response.writeHead(200, {"Content-Type": "text/plain"});
response.write(stdout);
response.end();
});*/
//return content;
/*function sleep(milliSeconds) {
var startTime = new Date().getTime();
while (new Date().getTime() < startTime + milliSeconds);
}
sleep(10000);
return "Hello Start";*/
}
function upload(response, request) {
console.log("Request handler 'upload' was called.");
var form = new formidable.IncomingForm();
console.log("about to parse");
form.parse(request, function(error, fields, files) {
console.log("parsing done");
fs.renameSync(files.upload.path,"D:/nodejs/tmp/test.png");
response.writeHead(200, {"Content-Type": "text/html"});
response.write("received image:<br/>");
response.write("<img src='/show' />")
response.end();
});
// response.writeHead(200, {"Content-Type": "text/plain"});
// response.write("You've sent the text:" +
// querystring.parse(postData).text);
// response.end();
// return "Hello Upload";
}
function show(response) {
console.log("Request handler 'show' was called.");
fs.readFile("D:/nodejs/tmp/test.png", "binary", function(error, file) {
if(error) {
response.writeHead(500, {"Content-Type": "text/plain"});
response.write(error + "\n");
response.end();
} else {
response.writeHead(200, {"Content-Type": "image/png"});
response.write(file, "binary");
response.end();
}
})
}
exports.start = start;
exports.upload = upload;
exports.show = show;router.js
function route(handle, pathname, response, request) {
console.log("About to route a request for " + pathname);
if (typeof handle[pathname] === 'function') {
return handle[pathname](response, request);
} else {
console.log("No request handler found for" + pathname);
response.writeHead(404, {"Content-Type": "text/plain"});
response.write("404 Not found");
response.end();
//return "404 Not found";
}
}
exports.route = route;server.js
var http = require("http");
var url = require("url");
function start(route,handle) {
function onRequest(request, response) {
var pathname = url.parse(request.url).pathname;
console.log("Request for" + pathname + " received");
route(handle, pathname, response, request);
/*var postData = "";
var pathname = url.parse(request.url).pathname;
console.log("Request for " + pathname + " received");
request.setEncoding("utf8");
request.addListener("data", function(postDataChunk) {
postData += postDataChunk;
console.log("Received POST data chunk '"+
postDataChunk + "'");
});
request.addListener("end", function() {
route(handle, pathname, response, postData);
});*/
// route(handle, pathname);
/*response.writeHead(200, {"Content-Type": "text/plain"});
var content = route(handle,pathname);
response.write(content);
response.end();*/
//route(handle, pathname, response);
}
http.createServer(onRequest).listen(8888);
console.log("Server has started");
}
exports.start = start;