How to set right path on localhost - image

Hey Guys,
I have a problem to show my picture on my Page.
I dont know how to set the right path to show my picture.
I use socket.io and express. The Page is running on a Localhost Server
this is my code to show the picture but it doesnt works.
img src="uploads/images.png"
On the server-side i did this "app.use(express.static('public'));" to make it public. But it doesnt work, can someone help me ?
What is the right path?
My Folder structure is this
Folder structure

Server-side:
var app = require('express')();
var express = require('express');
var upload = require('express-fileupload');
var http = require('http').Server(app);
var io = require('socket.io')(http);
var multer = require('multer');
var fs = require('fs');
app.use(upload());
app.use(express.static('public'));
var users = {};
var allUsers = [];
function actualTime(){
var d = new Date();
return d.toLocaleTimeString();}
http.listen(3000, function(){
console.log('listening on *:3000');
});
app.get('/', function(req, res){
res.sendFile(__dirname + '/index.html');
});
io.on('connection', function(socket){
app.post('/upload',function(req,res){
console.log(req.files);
if(req.files.upfile){
var file = req.files.upfile,
name = file.name,
type = file.mimetype;
var uploadpath = __dirname + '/uploads/' + name;
file.mv(uploadpath,function(err){
if(err){
console.log("File Upload Failed",name,err);
res.send("Error Occured!")
}
else {
console.log("File Uploaded",name);
console.log("guckmal");
io.emit('file', name);
res.send('sasa');
}
});
}
else {
res.send("No File selected !");
res.end();
};
})
socket.on('username', function(data,callback){
if(data in users || data.length<=2){
callback(false);
}else{
callback(true);
socket.nickname = data;
users[socket.nickname] = socket;
// to get a message for all users who are not in the priavte chat
allUsers.push(""+socket.nickname);
for(var test=0; test<allUsers.length;test++){
console.log(allUsers[test]);
users[allUsers[test]].emit('usernames', {list:Object.keys(users), nick: allUsers[test]});
}
io.emit('chat message',{msg:"joined the Chatroom", nick:socket.nickname, time:actualTime()});
}
});
socket.on('chat message', function(data, callback){
console.log(socket.nickname);
console.log('User: ' + socket.nickname + ' message: ' + data);
var msg = data.trim();
if(msg.substr(0,3)=== '/w '){
console.log("private chat");
msg= msg.substr(3);
var temp = msg.indexOf(' ');
if(temp !== -1){
console.log("private chat stap 2");
var name = msg.substring(0,temp);
var msg = msg.substring(temp+1);
if(name in users){
console.log("private chat stap 3");
users[name].emit('private chat', {msg:msg, nick:socket.nickname, time:actualTime()});
for(var i=0; i<allUsers.length;i++){
if((name !==allUsers[i])){
if(allUsers[i] !== socket.nickname){
users[allUsers[i]].emit('private chat',{msg:"private message was send from "+socket.nickname+" to "+name, nick:socket.nickname, time:actualTime()});
}else{
users[socket.nickname].emit('private chat',{msg:"you send a private messgae to "+name, nick:"chat", time:actualTime()});
}
}
}
}else{
callback(' user name doesnt exist');
}
}else{
callback('Error! Please enter a message');
}
}else{
io.emit('chat message', {msg:msg, nick:socket.nickname, time:actualTime()});
}
});
socket.on('disconnect', function(data){
delete users[socket.nickname];
io.emit('chat message',{msg:"leaved the Chatroom", nick:socket.nickname, time:actualTime()});
io.sockets.emit('usernames', {list:Object.keys(users)});
});
});
Client-side:
$(function () {
var socket = io();
$('#loginForm').submit(function(e){
e.preventDefault(); // prevents page reloading
socket.emit('username', $('#u').val(), function(data,callback){
if(data){
$('#nickWrap').hide();
$('#contentWrap').show();
}else if(($('#u').val()).length<=2){
document.getElementById("u").value="";
document.getElementById("u").placeholder ="Sorry but Username length is less then three :(";
}else{
document.getElementById("u").value="";
document.getElementById("u").placeholder ="Sorry but Username already taken :(";
}
});
});
$('#chatForm').submit(function(e){
e.preventDefault(); // prevents page reloading
if(privateUsers.length>0){
for(var i=0;i<privateUsers.length;i++){
socket.emit('chat message','/w '+ privateUsers[i] +' '+ $('#m').val(), function(data){
// add stuff later
$('#messages').append($('<li>').text(data.time + " " + data.nick +': '+ data.msg ));
});
}
}else{
socket.emit('chat message', $('#m').val(), function(data){
// add stuff later
$('#messages').append($('<li>').text(data.time + " " + data.nick+': '+ data.msg ));
});
}
$('#m').val('');
return false;
});
socket.on('chat message', function(data){
$('#messages').append($('<li>').text(data.time + " " + data.nick +': '+ data.msg ));
});
socket.on('file', function(data){
var img = document.getElementById('bild');
images.push[data];
var name = data;
console.log(name);
$('#messages').append('<li><img src="uploads/images.png" />'+ '</li>');
img.setAttribute('src','data:image/jpeg;base64,' + window.btoa(images));
});
socket.on('private chat', function(data){
$('#messages').append($('<li>').text(data.time + " " + data.nick +': '+ data.msg ));
});
socket.on('usernames', function(socket, data){
console.log("2222222222");
// to get a massage for all users who are not in the priavte chat
console.log(socket.nick);
socketName = socket.nick;
});
socket.on('usernames', function(data){
document.getElementById("userList").innerHTML = "";
var temp;
var indexTemp;
var me= "";
var sortData = [];
for(var i=0;i<data.list.length;i++){
if(data.nick === data.list[i]){
indexTemp = i;
/* temp = data.list[i];
indexTemp =i;
data.list[i]= "Ich";*/
me ="My Name: ";
}
}
// sort list
sortData.push(data.list[indexTemp]);
for(var l=0; l<data.list.length;l++){
if(indexTemp !=l){
sortData.push(data.list[l]);
}
}
for(var i =0; i<sortData.length;i++){
if(i==0){
$('#userList').append('<li style="list-style:none "><buttonid="'+sortData[i]+'" onclick='+'"addUsers()"'+
' style="width: 100%; background: rgb(130, 224, 255); border: none; padding:10%; margin-bottom:2%; "'+'>'+"My Name: "+ sortData[i]
+'</button></li>');
//data.list[i]= temp;
}else{
$('#userList').append('<li style="list-style:none "><button id="'+sortData[i]+'" onclick='+'"addUsers(\''+sortData[i]+'\')"'+
' style="width: 100%; background: rgb(130, 224, 255); border: none; padding:10%; margin-bottom:2%; "'+'>'+ sortData[i]
+'</button></li>');
}
}
// }
});
});
function addUsers(name){
if(privateUsers.length==0){
console.log("erstes objekt");
document.getElementById(name).style.background = "rgb(1, 254, 185)";
privateUsers.push(name);
}else{
for(var i=0;i<privateUsers.length;i++){
if(name==privateUsers[i]){
console.log("gel�scht");
document.getElementById(name).style.background = "rgb(130, 224, 255)";
privateUsers.splice(i,1);
return;
}
}
console.log("drinnen");
document.getElementById(name).style.background = "rgb(1, 254, 185)";
privateUsers.push(name);
}
}

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On Further research found the following
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You need to change the following line in your code.
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It has to be file upload
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ActivityManager: START u0 {act=android.intent.action.OPEN_DOCUMENT typ=image/* cmp=com.android.documentsui/.DocumentsActivity (has extras)} from pid 2835
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}
});
}
});
app.get('/register', function(req, res){
res.render('register', {
title: 'TileTabs Register'
});
});
app.post('/register', function(req, res){
var name = req.body.name;
var username = req.body.username;
var password = req.body.password;
var salt = generateSalt();
if (name.length == 0 && username.length == 0 && password.length == 0){
req.sessionStore.registerError = 'Registration failed, please enter a name, username and password!';
res.redirect('back');
}
else{
client.get('username:' + username + ':uid', function(err, uid){
if (uid !== null){
req.sessionStore.registerError = 'Registration failed, ' + username + ' already taken.';
res.redirect('back');
}
else{
client.incr('global:nextUserId', function(err, uid){
client.set('username:' + username + ':uid', uid);
client.hmset('uid:' + uid, {
name: name,
username: username,
salt: salt,
pass: hash(password, salt)
}, function(){
req.sessionStore.loginSuccess = 'Thanks for registering! Try logging in!';
console.log(username + ' has registered!');
res.redirect('/login');
});
});
}
});
}
});
// Only listen on $ node app.js
if (!module.parent) {
app.listen(80);
console.log("Express server listening on port %d", app.address().port);
}
Registration and loggin authentication work great, but for some reason, I'm getting a hang when a connected user attempts to loggout.
As you can see from my /logout route,
app.get('/logout', function(req, res){
req.sessionStore.destroy(function(err){
if (err){
console.log('Error destroying session...');
}
else{
console.log(req.sessionStore.user.username + ' has logged out.');
res.redirect('home');
}
});
});
I have two console.log's to try and determine where the freeze occurs. Interestingly, nothing gets logged.
So, for whatever reason, destroy() isn't being called properly.
I'm not sure whether or not I'm just goofing on syntax, or what, but according to the connect documentation it appears as though I'm setting this up correctly.
You must use req.session instead of req.sessionStore. req.sessionStore is a single RedisStore instance and is not being set dynamically by connect. This means that your code works for one user only. Your users will share the same session data this way.
req.sessionStore has a destroy method too and that's why you are not getting any errors. Your callback is not being called because in this method the callback is the second parameter.
Just replace req.sessionStore for req.session in all your code. E.g.:
req.session.destroy(function(err) { ... });

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