public void Dispose()
{
var users = ChatLogic.GetAllUsers();
var tcpClients = _tcpClients.Union(users.Select(x => x.TcpClient)).ToList();
foreach (var tcpClient in tcpClients)
{
DisconnectTcpClient(tcpClient);
}
StopTcpServer();
}
// Асинхронное обслуживание конкретного подключения
private void ConnectionServiceAsync(TcpClient tcpClient)
{
Task.Run(() =>
{
var user = ConnectTcpClient(tcpClient);
if (user == null)
{
DisconnectTcpClient(tcpClient);
return;
}
ChatLogic.ReceiveMessagesFromUser(user);
DisconnectUser(user);
});
}
// Обработка подключенного пользователя и отправка ему всей нужной информации
private bool ConnectUser(UserModel user)
{
var ok = string.Concat(ChatConstants.Separator, ChatConstants.Ok, ChatConstants.Separator);
var isConnected = ChatLogic.SendMessageToUser(user, ok);
if (isConnected)
{
var users = ChatLogic.GetAllUsers();
string usernames = null;
if (users.Count == 0)
{
usernames = string.Concat(ChatConstants.Separator, ChatConstants.Server, ChatConstants.Separator);
}
else
{
usernames = string.Join(ChatConstants.Separator, users.Select(x => x.Username));
}
isConnected = ChatLogic.SendMessageToUser(user, usernames);
}
if (isConnected)
{
var commands = string.Empty;
foreach (ChatCommands command in Enum.GetValues(typeof(ChatCommands)))
{
commands += string.Concat(ChatConstants.Separator, command.ToName());
}
isConnected = ChatLogic.SendMessageToUser(user, commands);
}
if (isConnected)
{
_tcpClients.Remove(user.TcpClient);
ChatLogic.AddUser(user);
ChatLogic.UserStateChanged(user.Username, true);
}
return(isConnected);
}
// Отключение пользователя
private void DisconnectUser(UserModel user)
{
ChatLogic.RemoveUser(user);
ChatLogic.UserStateChanged(user.Username, false);
DisconnectTcpClient(user.TcpClient);
}