// Execute when user Log out.
private void DeleteUserFiles(User user)
{
foreach (FileDetails file in user.FileList)
{
if (ServerFileList.ContainsKey(file))
{
// File exsits in list.
if (ServerFileList[file].Contains(user))
{
// This user in owner of this file.
ServerFileList[file].Remove(user);
// Delete this file if there is no longer more owners.
if (ServerFileList[file].Count == 0)
{
ServerFileList.Remove(file);
}
}
}
}
// Delete user from list if is active.
if (ActiveUsers.Contains(user))
{
ActiveUsers.Remove(user);
}
while (bwUpdateUserList.IsBusy)
{
;
}
bwUpdateUserList.RunWorkerAsync();
}
public static void OnDisconnect(Socket socket)
{
IPAddress disconnectedAddress = (socket.LocalEndPoint as IPEndPoint).Address;
Zephy.Logger.Information($"{disconnectedAddress} has disconnected, closing & disposing socket.");
if (ActiveUsers.IsLoggedIn(socket))
{
ActiveUser user = ActiveUsers.GetUser(socket);
ActiveUsers.RemoveUser(socket);
Zephy.Logger.Information($"User at {disconnectedAddress} was logged in as {user.userId}, logging out.");
}
socket.Close();
}
// Execute when user Log in.
private void AddUserFiles(User user, OperationsDB DB)
{
lock (thisLock)
{
if (!ActiveUsers.Contains(user))
{
ActiveUsers.Add(user);
}
}
foreach (FileDetails file in user.FileList)
{
if (ServerFileList.ContainsKey(file))
{
// This file already exist in list.
// Add this user as adition peer to download.
lock (thisLock)
{
if (!ServerFileList[file].Contains(user))
{
ServerFileList[file].Add(user);
DB.AddPeerToFile(file.FileName, file.FileSize);
}
}
}
else
{
// This file new in list.
lock (thisLock)
{
ServerFileList.Add(file, new List <User>());
ServerFileList[file].Add(user);
DB.AddFile(file.FileName, file.FileSize);
}
}
}
while (bwUpdateUserList.IsBusy)
{
;
}
bwUpdateUserList.RunWorkerAsync();
}
private async void AddNewUser(NetworkStream stream, User newUser)
{
try
{
byte[] answer = new byte[1];
int status = 0;
// 0 = User not exist.
// 1 = Connecting the user.
// 2 = User alredy connected.
// 3 = User Disable.
if (newUser != null)
{
status = DB.GetUserStatus(newUser.UserName, newUser.Password);
answer[0] = (byte)status;
if (status == 1)
{
if (!ActiveUsers.Contains(newUser))
{
// Add user files to server.
AddUserFiles(newUser, DB);
await stream.WriteAsync(answer, 0, 1);
FileRequestHandler();
}
}
else
{
await stream.WriteAsync(answer, 0, 1);
}
}
}
catch (Exception e)
{
MessageBoxResult result = MessageBox.Show("A problem occurred while adding a new user\n" + e);
}
}
