public void RunClient()
{
TcpClient cliente;
Protocol protocol = new Protocol();
User user;
string clientTable = "";
string clientId;
string clientNick;
bool clientNumberFlag = false;
bool clientNickNameflag = false;
byte[] messageRcv = new byte[2048];
try
{
cliente = new TcpClient();
cliente.Connect(ip, Convert.ToInt32(port));
connection = cliente.Client;
do
{
try
{
if (connection != null)
{
int received = connection.Receive(messageRcv);
var data = new byte[received];
Array.Copy(messageRcv, data, received);
if (received > 0)
{
//manda dados recebidos para serem separados e se retonar verdadeiro, trata
if (protocol.unParseData(data))
{
switch (protocol.opcode)
{
case 0x01:
//verifica se veio do servidor
if (protocol.idOrigin == 0xFF)
{
myID = protocol.idDestination[0];
if (connection != null)
{
//manda o nickname para o servidor
connection.Send(protocol.parseData(0x01, myID, Enumerable.Repeat((byte)0x00, 8).ToArray(), Encoding.UTF8.GetBytes(txtBxNick.Text)));
}
}
break;
case 0x02:
if (protocol.idOrigin == 0xFF)
{
clientTable = "";
clientUsers.Clear();
char[] messageChars = protocol.message.ToCharArray();
clientId = "";
clientNick = "";
//busca os caracteres e atualiza a tabela de usuários
foreach (char c in messageChars)
{
if (c == ']')
{
clientNumberFlag = false;
}
else if (c == '}')
{
clientNickNameflag = false;
clientTable += Environment.NewLine;
user = new User(null, Convert.ToUInt16(clientId));
user.userSetNick(clientNick);
clientUsers.Add(user);
clientId = "";
clientNick = "";
}
if (clientNumberFlag)
{
clientId += c;
}
if (clientNickNameflag)
{
clientNick += c;
}
if (c == '[')
{
clientNumberFlag = true;
}
else if (c == '{')
{
clientNickNameflag = true;
clientTable += " ";
}
else if (c != ']' && c != '}')
{
clientTable += c;
}
}
sendToUsersBox("", clientTable);
}
break;
case 0x03:
if (protocol.idOrigin == 0xFF)
{
sendToChatBox("Append", "Server: " + protocol.message.Replace("\0", string.Empty));
}
else
{
sendToChatBox("Append", clientUsers.Find(c => c.userGetID() == protocol.idOrigin).userGetNick() + ": " + protocol.message.Replace("\0", string.Empty));
}
break;
}
}
}
messageRcv = new byte[2048];
}
}
catch (Exception)
{
Environment.Exit(Environment.ExitCode);
}
} while (true);
}
catch (Exception error)
{
MessageBox.Show(error.ToString());
}
}
private void ReceiveCallback(IAsyncResult AR)
{
Socket current = (Socket)AR.AsyncState;
Protocol protocol = new Protocol();
User localUser;
int received;
try
{
received = current.EndReceive(AR);
}
catch (SocketException)
{
sendToChatBox("Append", "Cliente desconectado " + current.RemoteEndPoint.ToString());
// Don't shutdown because the socket may be disposed and its disconnected anyway.
current.Close();
//procura o usuário cujo socket é igual ao que está sendo finalizado
if (clientUsers.Count > 0)
{
clientUsers.Remove(clientUsers.Find(x => x.socket == current));
clientSockets.Remove(current);
updateClientTable();
}
return;
}
byte[] recBuf = new byte[received];
Array.Copy(buffer, recBuf, received);
/*
* Aqui vai uma função que deve separar a mensagem e trata-la de acordo com os usuarios recebidos
*/
if (protocol.unParseData(recBuf))
{
switch (protocol.opcode)
{
case 0x01:
for (int count = 0; count < clientUsers.Count; count++)
{
if (clientUsers[count].userGetID() == Convert.ToByte(protocol.idOrigin))
{
clientUsers[count].userSetNick(protocol.message.Replace("\0", string.Empty));
//setou o nick name corretamente, agora precisa mandar a tabela atualizada para todos os clientes
updateClientTable();
break;
}
}
break;
case 0x02:
break;
case 0x03:
for (uint count = 0; count < 8; count++)
{
if (clientUsers.Count > count)
{
localUser = clientUsers.Find(client => client.userGetID() == protocol.idDestination[count]);
if (localUser != null && localUser.socket.Connected)
{
localUser.socket.Send(protocol.parseData(0x03, protocol.idOrigin, protocol.idDestination, Encoding.UTF8.GetBytes(protocol.message)));
}
}
}
sendToChatBox("Append", clientUsers.Find(c => c.userGetID() == protocol.idOrigin).userGetNick() + ": " + protocol.message.Replace("\0", string.Empty));
break;
}
}
current.BeginReceive(buffer, 0, 2048, SocketFlags.None, ReceiveCallback, current);
}
