private void Juego_Load(object sender, EventArgs e)
{
CargarGraficos();
if (isMultiplayer == true && isServer == false)
{
try
{
CheckForIllegalCrossThreadCalls = false;
strName = player;
this.Text = strName;
clientSocket = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
IPAddress ipAddress = IPAddress.Parse(serverIP);
//Server is listening on port 1000
IPEndPoint ipEndPoint = new IPEndPoint(ipAddress, 1000);
//Connect to the server
clientSocket.BeginConnect(ipEndPoint, new AsyncCallback(OnConnect), null);
MessageBox.Show("Connected");
msgToSend = new SocketFiles.Data();
msgToSend.cmdCommand = SocketFiles.Command.List;
msgToSend.strName = strName;
msgToSend.strMessage = null;
byteData = msgToSend.ToByte();
clientSocket.BeginSend(byteData, 0, byteData.Length, SocketFlags.None, new AsyncCallback(OnSend), null);
byteData = new byte[1024];
//Start listening to the data asynchronously
clientSocket.BeginReceive(byteData,
0,
byteData.Length,
SocketFlags.None,
new AsyncCallback(OnReceive),
null);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
}
private void OnConnect(IAsyncResult ar)
{
try
{
clientSocket.EndConnect(ar);
//We are connected so we login into the server
msgToSend = new SocketFiles.Data();
msgToSend.cmdCommand = SocketFiles.Command.Login;
msgToSend.strName = player;
msgToSend.strMessage = null;
byte[] b = msgToSend.ToByte();
//Send the message to the server
clientSocket.BeginSend(b, 0, b.Length, SocketFlags.None, new AsyncCallback(OnSend), null);
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "SGSclient", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void OnReceive(IAsyncResult ar)
{
try
{
//MessageBox.Show("Entrada aa");
Socket clientSocket = (Socket)ar.AsyncState;
clientSocket.EndReceive(ar);
//MessageBox.Show("Entrada bb");
//Transform the array of bytes received from the user into an
//intelligent form of object Data
Data msgReceived = new Data(byteData);
// MessageBox.Show("Entrada cc");
//We will send this object in response the users request
Data msgToSend = new Data();
byte[] message;
//MessageBox.Show("Entrada dd");
//If the message is to login, logout, or simple text message
//then when send to others the type of the message remains the same
msgToSend.cmdCommand = msgReceived.cmdCommand;
msgToSend.strName = msgReceived.strName;
//MessageBox.Show("Entrada ee");
switch (msgReceived.cmdCommand)
{
case Command.Login:
//When a user logs in to the server then we add her to our
//list of clients
ClientInfo clientInfo = new ClientInfo();
clientInfo.socket = clientSocket;
clientInfo.strName = msgReceived.strName;
clientList.Add(clientInfo);
// MessageBox.Show("Entrada a1");
//Set the text of the message that we will broadcast to all users
msgToSend.strMessage = "<<<" + msgReceived.strName + " SE HA CONECTADO AL SERVIDOR>>>";
break;
case Command.Logout:
//When a user wants to log out of the server then we search for her
//in the list of clients and close the corresponding connection
int nIndex = 0;
foreach (ClientInfo client in clientList)
{
if (client.socket == clientSocket)
{
clientList.RemoveAt(nIndex);
break;
}
++nIndex;
}
clientSocket.Close();
// MessageBox.Show("Entrada a2");
msgToSend.strMessage = "<<<" + msgReceived.strName + " has left the room>>>";
break;
case Command.Message:
// textBox1.Text = msgReceived.strMessage.ToString();
//Set the text of the message that we will broadcast to all users
msgToSend.strMessage = msgReceived.strName + ": " + msgReceived.strMessage;
break;
// MessageBox.Show("Entrada a3");
case Command.List:
//Send the names of all users in the chat room to the new user
msgToSend.cmdCommand = Command.List;
msgToSend.strName = null;
msgToSend.strMessage = null;
//Collect the names of the user in the chat room
foreach (ClientInfo client in clientList)
{
//To keep things simple we use asterisk as the marker to separate the user names
msgToSend.strMessage += client.strName + "*";
}
message = msgToSend.ToByte();
//Send the name of the users in the chat room
clientSocket.BeginSend(message, 0, message.Length, SocketFlags.None,
new AsyncCallback(OnSend), clientSocket);
// MessageBox.Show("Entrada a4");
break;
}
if (msgToSend.cmdCommand != Command.List) //List messages are not broadcasted
{
message = msgToSend.ToByte();
foreach (ClientInfo clientInfo in clientList)
{
if (clientInfo.socket != clientSocket ||
msgToSend.cmdCommand != Command.Login)
{
//Send the message to all users
clientInfo.socket.BeginSend(message, 0, message.Length, SocketFlags.None,
new AsyncCallback(OnSend), clientInfo.socket);
}
}
// MessageBox.Show("Entrada a5");
//txtLog.Text += msgToSend.strMessage + "\r\n";
// MessageBox.Show("Entrada a6");
}
//If the user is logging out then we need not listen from her
if (msgReceived.cmdCommand != Command.Logout)
{
//Start listening to the message send by the user
clientSocket.BeginReceive(byteData, 0, byteData.Length, SocketFlags.None, new AsyncCallback(OnReceive), clientSocket);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "SGSserverTCP3", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
