public static void sendNotificationToAll(string notification)
{
foreach (var item in ListOfActiveUsers)
{
SocketReadWrite.writeToSocket(item.Value, Encoding.ASCII.GetBytes(notification));
}
}
public static void sendNotificationToOtherSide(string Username, string Message)
{
foreach (var item in ServerSideSessionManager.ListOfActiveUsers)
{
if (item.Key == Username)
{
SocketReadWrite.writeToSocket(item.Value, Encoding.ASCII.GetBytes(Message));
break;
}
}
}
//notify All active users about new Logins
public static void notifyAllUsers()
{
string notification = "notificationOfUsers ";
foreach (String name in ListOfActiveUsers.Keys)
{
notification += name + " ";
}
foreach (Socket sck in ListOfActiveUsers.Values)
{
Console.WriteLine("Sending notification to " + sck.RemoteEndPoint);
SocketReadWrite.writeToSocket(sck, Encoding.Default.GetBytes(notification));
System.Threading.Thread.Sleep(10);
}
}
public static void sendMessageToOtherSide(string id, string to, string message)
{
foreach (var aSession in listOfSessions)
{
//if the id is found and is not empty or null
if (!id.Contains("\0\0") && !(id.Trim() == ""))
{
if (aSession.Key == Int32.Parse(id))
{
foreach (var aUser in ListOfActiveUsers)
{
if (aUser.Key == to)
{
SocketReadWrite.writeToSocket(aUser.Value, Encoding.ASCII.GetBytes(message));
break;
}
}
} //#endif
}
} //#outer-foreach
}
void connectionsHandler(Object objSocket)
{
byte[] response;
Socket socket = (Socket)objSocket;
do
{
if (!(socket.Available > 0))
{
Thread.Sleep(200);
}
string strData = SocketReadWrite.readFromSocket(socket);
// socket.Receive()
if (strData.Trim() == "" || strData.Contains("\0") && !(strData.StartsWith("Incoming")))
{
continue;
}
//split message into parts to find out whether it is a login, signup or newSession request
String[] substrings = strData.Split(':');
//If it is a signUp request
if (substrings[0] == "signUp")
{
if (ManageUsers.createNewUser(substrings))
{
response = Encoding.Default.GetBytes("true");
//listOfUsers.Add(substrings[1], accepted); //add name of user to Dictionary
ServerSideSessionManager.ListOfActiveUsers.Add(substrings[1], accepted);
}
else
{
response = Encoding.Default.GetBytes("false");
SocketReadWrite.writeToSocket(socket, response);
return;
}
SocketReadWrite.writeToSocket(socket, response);
// notifyAllUsers();
ServerSideSessionManager.notifyAllUsers();
}
//If it is a login request
else if (substrings[0] == "login")
{
if (ManageUsers.authenticateUser(substrings))
{
//Check Whether user already logged in or not
if (ServerSideSessionManager.ListOfActiveUsers.ContainsKey(substrings[1]))
{
response = Encoding.Default.GetBytes("userAlreadyLoggedIn");
SocketReadWrite.writeToSocket(socket, response);
return;
}
response = Encoding.Default.GetBytes("true");
// listOfUsers.Add(substrings[1], accepted);
ServerSideSessionManager.ListOfActiveUsers.Add(substrings[1], accepted);
SocketReadWrite.writeToSocket(socket, response);
}
else
{
response = Encoding.Default.GetBytes("false");
SocketReadWrite.writeToSocket(socket, response);
return;
}
ServerSideSessionManager.notifyAllUsers();
}
//If there is a new end Session
else if (substrings[0] == "newSessionStarted")
{
Console.WriteLine("New Session Started" + substrings[1] + substrings[2]);
//int bal = Int32.Parse(substrings[3]); //from--to
ServerSideSessionManager.listOfSessions.Add(Int32.Parse(substrings[3]), substrings[1] + ":" + substrings[2]);
//Send To server for registration of the session on other side
ServerSideSessionManager.sendNotificationToOtherSide(substrings[2], strData);
}
//incomplete
else if (substrings[0] == "Incoming")
{
//parse Destination of file
int fileDestination = Int32.Parse(substrings[1]);
///// SocketReadWrite.writeToSocket(socket,);
byte[] bytes = Encoding.ASCII.GetBytes(substrings[2]);;
}
else if (substrings[0].Trim() == "Logout")
{
ServerSideSessionManager.ListOfActiveUsers.Remove(substrings[1]);
ServerSideSessionManager.notifyAllUsers();
ServerSideSessionManager.sendNotificationToAll(strData);
}
else if (substrings[0].Trim() == "ClosedSesion")
{
//TODO:Send Closing Message To other Client
}
else
//It is a message to be sent
{
ServerSideSessionManager.sendMessageToOtherSide(substrings[0], substrings[2], strData);
}
} while (true);
}
