public void JoinRoomHandler(ChatExchange chatExchange, User user)
{
ChatRoom requestedRoom = GetRoom(chatExchange.ExchangeTargetName);
string responseExchange = String.Empty;
if (!requestedRoom.RequiresPassword)
{
requestedRoom.AddUser(user);
responseExchange = "JOINED";
}
else
{
if (chatExchange.Exchange == requestedRoom.Password)
{
requestedRoom.AddUser(user);
responseExchange = "JOINED";
}
else
{
responseExchange = "INVALIDPASSWORD";
}
}
string encoded = ChatExchange.Encode("", ChatExchangeType.Command, ChatExchangeTarget.Individual, "Server", "", responseExchange);
byte[] sendBuffer = Encoding.UTF8.GetBytes(encoded);
user.Connection.Connection.Send(sendBuffer);
}
public void LeaveRoomHandler(ChatExchange chatExchange, User user)
{
user.LeaveRoom();
string encoded = ChatExchange.Encode("", ChatExchangeType.Command, ChatExchangeTarget.Individual, "Server", "", "LEFT");
byte[] sendBuffer = Encoding.UTF8.GetBytes(encoded);
user.Connection.Connection.Send(sendBuffer);
}
public void SendCommand(string command)
{
ChatExchange exchange = new ChatExchange()
{
LoginToken = LoginToken, ExchangeType = ChatExchangeType.Command, ExchangeTargetName = "", SenderName = "", ExchangeTarget = ChatExchangeTarget.Server, Exchange = command
};
socket.Send(exchange);
expectingCommandResponse = true;
}
public AvailableRoom[] GetAvailableRooms()
{
socket.Send(Encoding.UTF8.GetBytes(ChatExchange.Encode(LoginToken, ChatExchangeType.ChatRoomList, ChatExchangeTarget.Server, "", "", "")));
byte[] receiveBuffer = new byte[1024 * 8];
int receiveSize = socket.Receive(receiveBuffer);
RoomListExchange exchange = RoomListExchange.Decode(receiveBuffer, receiveSize);
List <AvailableRoom> rooms = exchange.Rooms;
return(rooms.ToArray());
}
public void CommandHandler(ChatExchange chatExchange, User user)
{
string command = chatExchange.Exchange;
string[] parts = command.Split(' ');
switch (parts[0].ToLower())
{
case "help":
string helpMessage = string.Format("Available Commands:{0}> '/help' - Display a list of commands.{0}> /poke <user> [message] - Poke a user with a message.", Environment.NewLine);
user.Connection.Connection.Send(new CommandExchangeResponse()
{
ResponseType = CommandResponse.Success, OutputMessage = helpMessage, FurtherInfo = "Displays a list of commands."
}.EncodeBytes());
break;
case "poke":
string response = string.Empty;
CommandResponse responseType = CommandResponse.Fail;
if (command.Length > "poke".Length)
{
string username = parts[1];
User targetUser = userHandler.GetUserByName(username);
if (targetUser != null)
{
targetUser.Connection.Connection.Send(new ChatExchange()
{
SenderName = user.Name, ExchangeTarget = ChatExchangeTarget.Individual, ExchangeType = ChatExchangeType.Command, ExchangeTargetName = "poke", Exchange = parts.Length >= 3 ? string.Format("{0}: {1}", user.Name, command.Substring((parts[0] + parts[1]).Length + 1, command.Length - (parts[0] + parts[1]).Length - 1)) : "You were poked."
});
responseType = CommandResponse.Success;
response = string.Format("Poked '{0}'...", username);
}
else
{
response = string.Format("Could not find user '{0}'...", username);
}
}
else
{
response = "Target user required. > /poke <user> [message]";
}
user.Connection.Connection.Send(new CommandExchangeResponse()
{
ResponseType = responseType, OutputMessage = response, FurtherInfo = "Pokes a user."
}.EncodeBytes());
break;
default:
user.Connection.Connection.Send(new CommandExchangeResponse()
{
ResponseType = CommandResponse.UnknownCommand, OutputMessage = "Unknown command.", FurtherInfo = "Command not found."
}.EncodeBytes());
break;
}
}
public JoinRoomOutcome CreateRoom(string roomName, string roomPassword)
{
socket.Send(Encoding.UTF8.GetBytes(ChatExchange.Encode(LoginToken, ChatExchangeType.CreateRoom, ChatExchangeTarget.Server, "", roomName, roomPassword)));
byte[] receiveBuffer = new byte[1024 * 2];
int receiveSize = socket.Receive(receiveBuffer);
ChatExchange exchange = ChatExchange.Decode(receiveBuffer, receiveSize);
if (exchange.Exchange == "JOINED")
{
return(JoinRoomOutcome.Success);
}
return(JoinRoomOutcome.Fail);
}
public void ChatRoomListHandler(ChatExchange chatExchange, User user)
{
RemoveEmptyTempRooms();
List <AvailableRoom> availableRooms = new List <AvailableRoom>();
foreach (ChatRoom room in chatRooms)
{
availableRooms.Add(room.GetAvailableRoom());
}
string encoded = RoomListExchange.Encode(availableRooms);
byte[] sendBuffer = Encoding.UTF8.GetBytes(encoded);
user.Connection.Connection.Send(sendBuffer);
}
public void OnCommandReceive(ChatExchange exchange)
{
switch (exchange.ExchangeTargetName)
{
case "poke":
if (pokeEnabled)
{
chatPage.OutputTextSafe(string.Format("Poked by '{0}'...", exchange.SenderName));
new Thread(new ThreadStart(delegate { MessageBox.Show(exchange.Exchange, "You have been poked!"); })).Start();
}
break;
default:
break;
}
}
public void Message(ChatExchange exchange)
{
string userName = string.Empty;
foreach (User user in Users)
{
if (user.Token == exchange.LoginToken)
{
exchange.SenderName = string.Format("{0}{1}", user.IsAdmin ? "<Admin> " : "", user.IsRoomHost ? string.Format("<Host> [{0}]", user.Name) : string.Format("[{0}]", user.Name));
foreach (User currentUser in Users)
{
currentUser.Message(exchange);
}
}
}
}
public void MessageHandler(ChatExchange chatExchange, User user)
{
switch (chatExchange.ExchangeTarget)
{
case ChatExchangeTarget.ChatRoom:
user.CurrentChatRoom.Message(chatExchange);
break;
case ChatExchangeTarget.Individual:
break;
case ChatExchangeTarget.Server:
default:
break;
}
}
public JoinRoomOutcome JoinRoom(string roomId, string password = "")
{
socket.Send(Encoding.UTF8.GetBytes(ChatExchange.Encode(LoginToken, ChatExchangeType.JoinRoom, ChatExchangeTarget.Server, "", roomId, password)));
byte[] receiveBuffer = new byte[1024 * 2];
int receiveSize = socket.Receive(receiveBuffer);
ChatExchange exchange = ChatExchange.Decode(receiveBuffer, receiveSize);
if (exchange.Exchange == "JOINED")
{
return(JoinRoomOutcome.Success);
}
if (exchange.Exchange == "INVALIDPASSWORD")
{
return(JoinRoomOutcome.InvalidPassword);
}
return(JoinRoomOutcome.Fail);
}
public void CreateChatRoomHandler(ChatExchange chatExchange, User user)
{
string roomName = chatExchange.ExchangeTargetName;
string roomPassword = chatExchange.Exchange;
ChatRoom newRoom = new ChatRoom {
ID = GetRoomId(), MaxUsers = 10, Name = roomName, Password = roomPassword, TempRoom = true
};
chatRooms.Add(newRoom);
newRoom.AddUser(user);
user.IsRoomHost = true;
string encoded = ChatExchange.Encode("", ChatExchangeType.Command, ChatExchangeTarget.Individual, "Server", newRoom.ID, "JOINED");
byte[] sendBuffer = Encoding.UTF8.GetBytes(encoded);
user.Connection.Connection.Send(sendBuffer);
}
public void StartListen(Action <ChatExchange> receiveCommand, Action <ChatExchange> commandCommand, Action <Exception> ExceptionAction = null)
{
try
{
bool doReceive = true;
while (doReceive)
{
byte[] receiveBuffer = new byte[1024 * 2];
int receiveSize = socket.Receive(receiveBuffer);
if (expectingCommandResponse)
{
CommandResponseHandler(CommandExchangeResponse.Decode(receiveBuffer, receiveSize)); expectingCommandResponse = false;
}
else
{
ChatExchange chatExchange = ChatExchange.Decode(receiveBuffer, receiveSize);
switch (chatExchange.ExchangeType)
{
case ChatExchangeType.Message:
receiveCommand?.Invoke(chatExchange);
break;
case ChatExchangeType.Command:
if (chatExchange.Exchange == "LEFT")
{
doReceive = false;
}
commandCommand?.Invoke(chatExchange);
continue;
default:
break;
}
}
}
}
catch (SocketException e)
{
ExceptionAction?.Invoke(e);
}
}
public void Message(ChatExchange exchange)
{
Connection.Connection.Send(Encoding.UTF8.GetBytes(exchange.Encode()));
}
public bool Verify(ChatExchange chatExchange)
{
return(Token == chatExchange.LoginToken);
}
public void SendToAll(string message)
{
ChatExchange e = new ChatExchange {
Exchange = message, ExchangeTarget = ChatExchangeTarget.Server,
};
}
public void LeaveRoom()
{
socket.Send(Encoding.UTF8.GetBytes(ChatExchange.Encode(LoginToken, ChatExchangeType.LeaveRoom, ChatExchangeTarget.Server, "", "", "")));
}
public void SendMessage(string message)
{
socket.Send(Encoding.UTF8.GetBytes(ChatExchange.Encode(LoginToken, ChatExchangeType.Message, ChatExchangeTarget.ChatRoom, "", "", message)));
}
private void ClientHandler(int id)
{
while (true)
{
ClientConnection currentClient = clientConnections[id] = new ClientConnection(id, socket.Accept());
try
{
Console.WriteLine("{0} <{1}> - Received connection from {2}", ChatTime.GetTimeFormat(), currentClient.ID, currentClient.GetConnectionString());
byte[] receiveBuffer = new byte[1024 * 2];
int receiveSize = currentClient.Connection.Receive(receiveBuffer);
LoginExchange loginExchange = LoginExchange.Decode(receiveBuffer, receiveSize);
Console.WriteLine("{0} <{1}> - Login request from '{2}'.", ChatTime.GetTimeFormat(), currentClient.ID, loginExchange.Username);
LoginExchangeResponse loginExchangeResponse = userHandler.HandleLoginExchange(loginExchange, currentClient);
string loginResponseData = loginExchangeResponse.Encode();
byte[] loginResponse = Encoding.UTF8.GetBytes(loginResponseData);
currentClient.Connection.Send(loginResponse);
if (loginExchangeResponse.ExchangeType == LoginExchangeResponseCode.Successful)
{
User user = userHandler.GetUser(id);
Console.WriteLine("{0} <{1}> - User '{2}' logged in with token '{3}'.", ChatTime.GetTimeFormat(), currentClient.ID, user.Name, user.Token);
while (user != null)
{
receiveBuffer = new byte[1024 * 2];
receiveSize = currentClient.Connection.Receive(receiveBuffer);
if (receiveSize > 0)
{
ChatExchange chatExchange = ChatExchange.Decode(Encoding.UTF8.GetString(receiveBuffer, 0, receiveSize));
if (user.Verify(chatExchange))
{
switch (chatExchange.ExchangeType)
{
case ChatExchangeType.Message:
Console.WriteLine("{0} <{1}> - [{2}] {3}: {4}", ChatTime.GetTimeFormat(), currentClient.ID, user.CurrentChatRoom.Name, user.Name, chatExchange.Exchange);
MessageHandler(chatExchange, user);
break;
case ChatExchangeType.Command:
Console.WriteLine("{0} <{1}> - Command: {2}", ChatTime.GetTimeFormat(), currentClient.ID, chatExchange.Exchange);
CommandHandler(chatExchange, user);
break;
case ChatExchangeType.ChatRoomList:
Console.WriteLine("{0} <{1}> - Requested Chat Room List", ChatTime.GetTimeFormat(), currentClient.ID);
ChatRoomListHandler(chatExchange, user);
break;
case ChatExchangeType.JoinRoom:
Console.WriteLine("{0} <{1}> - Join Room: ID '{2}'", ChatTime.GetTimeFormat(), currentClient.ID, chatExchange.ExchangeTargetName);
JoinRoomHandler(chatExchange, user);
break;
case ChatExchangeType.LeaveRoom:
Console.WriteLine("{0} <{1}> - Leave Room", ChatTime.GetTimeFormat(), currentClient.ID);
LeaveRoomHandler(chatExchange, user);
break;
case ChatExchangeType.CreateRoom:
Console.WriteLine("{0} <{1}> - Create Room: '{2}'", ChatTime.GetTimeFormat(), currentClient.ID, chatExchange.ExchangeTargetName);
CreateChatRoomHandler(chatExchange, user);
break;
case ChatExchangeType.Error:
Console.WriteLine("{0} <{1}> - ChatExchange Error Occurred", ChatTime.GetTimeFormat(), currentClient.ID, chatExchange.ExchangeTargetName);
break;
}
}
}
else
{
break;
}
}
}
Console.WriteLine("{0} <{1}> - Ending connection.", ChatTime.GetTimeFormat(), currentClient.ID);
}
catch (SocketException)
{
Console.WriteLine("{0} <{1}> - Lost connection.", ChatTime.GetTimeFormat(), currentClient.ID);
}
finally
{
userHandler.Logout(id);
currentClient = null;
}
}
}
