public async Task SendMessageToChannel(string channel, CustomWebSocketMessage message)
{
foreach (var item in Connections.getChannelById(channel))
{
await SendMessage(item, message);
}
}
public async Task SendMessageToAll(CustomWebSocketMessage message)
{
foreach (var con in Connections.GetAllConnections())
{
await SendMessage(con.Value, message);
}
}
public async Task SendMessage(WebSocket socket, CustomWebSocketMessage message)
{
if (socket.State != WebSocketState.Open)
{
return;
}
string serialisedMessage = JsonConvert.SerializeObject(message);
byte[] bytes = Encoding.ASCII.GetBytes(serialisedMessage);
await socket.SendAsync(new ArraySegment <byte>(bytes, 0, bytes.Length), WebSocketMessageType.Text, true, CancellationToken.None);
}
public async Task SendMessageOthersToChannel(string user, CustomWebSocketMessage message)
{
var currentChannel = Connections.GetChannelByUser(user);
foreach (var item in Connections.getChannelById(currentChannel))
{
if (item != user)
{
await SendMessage(item, message);
}
}
}
public async Task HandleMessage(WebSocketReceiveResult result, byte[] buffer, WebSocket socket)
{
string msg = Encoding.ASCII.GetString(buffer);
try
{
var request = JsonConvert.DeserializeObject <CustomWebSocketMessage>(msg);
var retorno = new CustomWebSocketMessage();
if (result.MessageType == WebSocketMessageType.Text)
{
//verificar a msg
string[] subs = request.Text.Split(' ');
string currentChannel;
switch (subs[0])
{
case "/register":
var newUser = subs[1].Trim();
if (Connections.AddSocket(socket, newUser))
{
currentChannel = "#general";
Connections.AddUserInChannel(currentChannel, newUser);
retorno.Text = String.Format("{0} entrou na sala: {1}", request.Username, currentChannel);
retorno.Username = newUser;
await SendMessageToChannel(currentChannel, retorno);
}
else
{
retorno.Text = String.Format("usuário já registrado");
await SendMessage(socket, retorno);
}
break;
case "/channel":
var newChannel = subs[1].Trim();
if (!Connections.UserExist(request.Username))
{
await SendMessage(socket, new CustomWebSocketMessage()
{
Text = "usuario nao registrado"
});
}
if (Connections.ChannelExist(newChannel))
{
currentChannel = Connections.GetChannelByUser(request.Username);
retorno.Text = String.Format("{0} saiu na sala: {1}", request.Username, currentChannel);
await SendMessageToChannel(currentChannel, retorno);
Connections.ChangeChannel(currentChannel, newChannel, request.Username);
retorno.Text = String.Format("{0} enrou na sala: {1}", request.Username, newChannel);
currentChannel = Connections.GetChannelByUser(request.Username);
await SendMessageToChannel(newChannel, retorno);
}
else
{
retorno.Text = String.Format("sala não existe");
await SendMessage(socket, retorno);
}
break;
case "/exit":
currentChannel = Connections.GetChannelByUser(request.Username);
Connections.removeUserInChannel(currentChannel, request.Username);
retorno.Text = String.Format("{0} saiu na sala: {1}", request.Username, currentChannel);
await SendMessageToChannel(currentChannel, retorno);
retorno.Text = String.Format("você foi desconectado");
await SendMessage(socket, retorno);
await Connections.RemoveSocketAsync(Connections.GetId(socket));
break;
default:
if (subs[0].StartsWith("@"))
{
//verificar se usuario existe
var userDest = subs[0].Replace("@", "");
if (!Connections.UserExist(userDest))
{
retorno.Text = String.Format("usuário {0} não registrado", userDest);
await SendMessage(socket, retorno);
}
if (subs[1] == "private")
{
var socketDest = Connections.GetSocketById(userDest);
retorno.Text = String.Format("{0} disse reservadamente para {1}: {2}", request.Username, userDest, request.Text.Replace("@private", "").Trim());
await SendMessage(socket, retorno);
}
else
{
retorno.Text = String.Format("{0} disse para {1}: {2}", request.Username, userDest, request.Text);
currentChannel = Connections.GetChannelByUser(request.Username);
await SendMessageToChannel(currentChannel, retorno);
}
}
else
{
currentChannel = Connections.GetChannelByUser(request.Username);
retorno.Text = request.Username + " disse: " + request.Text;
await SendMessageToChannel(currentChannel, retorno);
}
break;
}
}
}
catch (Exception e)
{
await socket.SendAsync(new ArraySegment <byte>(buffer, 0, result.Count), result.MessageType, result.EndOfMessage, CancellationToken.None);
}
}
public async Task SendMessage(string id, CustomWebSocketMessage message)
{
await SendMessage(Connections.GetSocketById(id), message);
}
