/// <summary>
/// Создание задачи и объекта для пользователя после его подключения
/// </summary>
/// <param name="client"></param>
private static void CreateUser(ref TcpClient client)
{
MySqlConnection connection = DBmanager.Connect();
ClientClass clientObj = new ClientClass(ref connection, ref client, null, idForNextUser++);
unassignedUsers.Add(clientObj);
Task.Run(() => clientObj.Process());
}
protected internal void AddClient(ClientClass client)
{
client.room = this;
connectedUsers.Add(client);
Console.WriteLine("Successfully added client " + client.name + " to " + name +
" room. There are " + connectedUsers.Count + " connected users.");
connectedUsers.ForEach(user => SendToStream(new MessageClass(codes.SENDING_USERLIST,
list: connectedUsers.Select(u => u.name).ToList()), ref user.client));
SendToStream(new MessageClass(codes.SENDING_CHAT_HIST, list: DBmanager.GetHistory(name, client.connection)), ref client.client);
Task.Run(() => SendBroadcastMessage(client.name + " joined the room.", connection));
}
/// <summary>
/// Отправление всем пользователям комнаты сообщения
/// </summary>
/// <param name="message"></param>
/// <param name="connection"></param>
public void SendBroadcastMessage(string message, MySqlConnection connection)
{
DBmanager.SaveMessage(message, name, ref connection);
Console.Write("Broadcasting for: ");
for (int i = 0; i < connectedUsers.Count; i++)
{
Console.Write(connectedUsers[i].name + (i + 1 == connectedUsers.Count ? "" : ", "));
SendToStream(new MessageClass(codes.SENDING_BROADCAST_MESSAGE, DateTime.Now.ToString("HH:mm:ss") +
" || " + message), ref connectedUsers[i].client);
}
Console.WriteLine(".");
}
/// <summary>
/// Добавление пользователем комнаты
/// </summary>
/// <param name="connection"></param>
/// <param name="client"></param>
/// <param name="roomName"></param>
public static void AddRoom(ref MySqlConnection connection, ref TcpClient client, string roomName)
{
if (rooms.FirstOrDefault(r => 0 == string.Compare(r.name, roomName, true)) == null)
{
DBmanager.CreateNewRoom(ref connection, roomName);
rooms.Add(new RoomClass(roomName));
List <string> roomList = DBmanager.GetRoomList(connection);
unassignedUsers.ForEach(user =>
SendToStream(new MessageClass(codes.SENDING_ROOMLIST, list: roomList), ref user.client));
rooms.ForEach(room => room.connectedUsers.ForEach(user =>
SendToStream(new MessageClass(codes.SENDING_ROOMLIST, list: roomList), ref user.client)));
Console.WriteLine("Room " + roomName + " is created.");
}
else
{
SendToStream(new MessageClass(codes.EXISTING_ROOM_NAME), ref client);
}
}
/// <summary>
/// Удаление комнаты из коллекции и закрытие подключения к БД
/// </summary>
/// <param name="room"></param>
public static void RemoveRoom(RoomClass room)
{
rooms.Remove(room);
DBmanager.RemoveRoom(ref room.connection, room.name);
room.connection.Close();
}
/// <summary>
/// Обработка получаемых от клиента пакетов
/// </summary>
public void Process()
{
try
{
MessageClass message;
while (true)
{
message = GetFromStream(ref client);
switch (message.code)
{
case codes.REQUESTING_ROOMLIST:
SendToStream(new MessageClass(codes.SENDING_ROOMLIST, list: DBmanager.GetRoomList(connection)), ref client);
break;
case codes.SENDING_USERNAME:
if (ServerEngine.existingNicknames.FirstOrDefault(n => n == message.info) == null)
{
name = message.info;
ServerEngine.existingNicknames.Add(name);
SendToStream(new MessageClass(codes.CONFIRMING_USERNAME, name), ref client);
Console.WriteLine("User " + name + " logged in.");
}
else
{
SendToStream(new MessageClass(codes.REQUESTING_USERNAME,
"There is user witn nickname \"" + message.info + "\" already"), ref client);
}
break;
case codes.REQUESTING_CHAT_HIST:
SendToStream(new MessageClass(codes.SENDING_CHAT_HIST, list: DBmanager.GetHistory(name, connection)), ref client);
break;
case codes.SENDING_CHAT_MESSAGE:
if (room != null)
{
room.SendBroadcastMessage(name + ": " + message.info, connection);
Console.WriteLine(name + ": " + message.info);
}
break;
case codes.SENDING_SELECTED_ROOM:
if (room != null)
{
ServerEngine.ChangeRoom(this, message.info);
}
else
{
ServerEngine.unassignedUsers.Remove(this);
ServerEngine.rooms.FirstOrDefault(r => r.name == message.info).AddClient(this);
}
break;
case codes.REQUESTING_NEW_ROOM:
ServerEngine.AddRoom(ref connection, ref client, message.info);
Console.WriteLine("Room " + message.info + " was added.");
break;
case codes.REQUESTING_ROOM_DELETING:
if (room.connectedUsers.Count == 1 && room != null)
{
room.RemoveClient(id);
ServerEngine.unassignedUsers.Add(this);
ServerEngine.RemoveRoom(room);
Console.WriteLine("Room " + room.name + " was deleted.");
SendToStream(new MessageClass(codes.SENDING_ROOMLIST, list: DBmanager.GetRoomList(connection)), ref client);
room = null;
}
break;
case codes.LEAVING_ROOM:
room.RemoveClient(id);
room = null;
ServerEngine.unassignedUsers.Add(this);
break;
case codes.SENDING_DISCONNECT_MESSAGE:
Disconnect();
return;
default:
Console.WriteLine("Wrong message code with package body: " + message.info + ".");
break;
}
}
}
catch (Exception e)
{
Console.WriteLine("In Process(): " + e.Message);
Disconnect();
}
}
