public override void UpdateServer(ServerKnowledge serverKnowledge)
{
lock (serverKnowledge)
{
if (serverKnowledge.ClientToName.TryGetValue(Sender, out string currentName))
{
Sender.SendMessageAsync(new ErrorMessage
{
Error = $"You are already registered with name \"{currentName}\"."
});
}
else
{
if (serverKnowledge.ClientToName.Values.Contains(Name))
{
Sender.SendMessageAsync(new ErrorMessage
{
Error = $"Name \"{Name}\" is already taken."
});
}
else
{
serverKnowledge.ClientToName.Add(Sender, Name);
Sender.SendMessageAsync(new ConfirmMessage());
Console.WriteLine($"New client with name {Name}.");
}
}
}
}
public override void UpdateServer(ServerKnowledge serverKnowledge)
{
lock (serverKnowledge)
{
if (!serverKnowledge.ClientToName.ContainsKey(Sender))
{
Sender.SendMessageAsync(new ErrorMessage("You must register first!"));
return;
}
if (serverKnowledge.Rooms.TryGetValue(RoomKey, out HashSet <IMessageStream> room))
{
if (room.Contains(Sender))
{
SenderName = serverKnowledge.ClientToName[Sender];
Console.WriteLine($"{SenderName} send: \"{Value}\" to room \"{RoomKey}\".");
foreach (var messageStream in room)
{
messageStream.SendMessageAsync(this);
}
}
else
{
Sender.SendMessageAsync(new ErrorMessage("You must join to room first!"));
}
}
else
{
Sender.SendMessageAsync(new ErrorMessage($"Room \"{RoomKey}\" does not exists."));
}
}
}
public override void UpdateServer(ServerKnowledge serverKnowledge)
{
lock (serverKnowledge)
{
if (!serverKnowledge.ClientToName.ContainsKey(Sender))
{
Sender.SendMessageAsync(new ErrorMessage("You must register first!"));
return;
}
var previousRoom = serverKnowledge.Rooms.FirstOrDefault(p => p.Value.Contains(Sender));
if (!serverKnowledge.Rooms.TryGetValue(RoomKey, out HashSet <IMessageStream> room))
{
room = new HashSet <IMessageStream>();
serverKnowledge.Rooms.Add(RoomKey, room);
}
if (room.Contains(Sender))
{
Sender.SendMessageAsync(new ErrorMessage($"You are already in the room \"{RoomKey}\"."));
}
else
{
string senderName = serverKnowledge.ClientToName[Sender];
if (!previousRoom.Equals(new KeyValuePair <string, HashSet <IMessageStream> >()))
{
foreach (var messageStream in previousRoom.Value.Where(c => c != Sender))
{
messageStream.SendMessageAsync(new ClientExitedMessage {
ClientName = senderName
});
}
previousRoom.Value.Remove(Sender);
Console.WriteLine($"{senderName} left {previousRoom.Key}.");
}
Sender.SendMessageAsync(new RoomJoinConfirnMessage {
RoomKey = RoomKey
});
foreach (var messageStream in room)
{
messageStream.SendMessageAsync(new ClientJoinedMessage {
ClientName = senderName
});
}
room.Add(Sender);
Console.WriteLine($"{senderName} joined {RoomKey}.");
}
}
}
static void Main(string[] args)
{
int port = 8500;
if (args.Length > 0 && !int.TryParse(args[0], out port))
{
Console.WriteLine($"Could not parse {args[0]} to int.");
port = 8500;
}
Console.WriteLine($"Starting server on port {port}. Press Q to exit.");
ServerKnowledge knowledge = new ServerKnowledge();
IStreamManager streamManager = new BasicStreamManager(knowledge);
Server server = new Server(port, streamManager);
server.StartListeningAsync();
while (Console.ReadKey(true).Key != ConsoleKey.Q)
{
//waitnig for Q
}
server.Stop();
}
public override void UpdateServer(ServerKnowledge serverKnowledge)
{
Console.WriteLine($"Unsupported message {nameof(RoomJoinConfirnMessage)}.");
}
public override void UpdateServer(ServerKnowledge serverKnowledge)
{
Console.WriteLine($"Error message from client: {Error}");
}
public override void UpdateServer(ServerKnowledge serverKnowledge)
{
Console.WriteLine($"Unsupported message {nameof(ClientExitedMessage)}.");
}
public BasicStreamManager(ServerKnowledge knowledge)
{
this.knowledge = knowledge;
}
public abstract void UpdateServer(ServerKnowledge serverKnowledge);
