//Send game data to all clients
public void Broadcast(SerializableObject sObject)
{
foreach(StateObject so in clients)
{
Send(so.WorkingSocket, sObject);
}
}
public void Send(SerializableObject data)
{
byte[] byteData = Serialization.Serialize(data);
// Begin sending the data to the remote device.
socket.BeginSend(byteData, 0, byteData.Length, 0,
new AsyncCallback(SendCallback), socket);
}
private void SendScore(String name, int score)
{
SerializableObject so = new SerializableObject(DataType.Score, name, score);
if (n is Host) //if host
{
LogUpdateText("Host is broadcasting...");
((Host)n).Broadcast(so);
}
else
{
LogUpdateText("Client is sending...");
((Client)n).Send(so);
}
}
private void btnStart_Click(object sender, EventArgs e)
{
if (names.Count > 1)
{
SerializableObject so = new SerializableObject(DataType.Game_Start);
((Host)n).Broadcast(so);
GameStart();
}
else
{
LogUpdateText("You need at least 2 players to start a game !");
}
}
private void btnSendMessage_Click(object sender, EventArgs e)
{
SerializableObject so = new SerializableObject(DataType.Message, player.Name, chatBox.Text);
if (n is Host)
{
((Host)n).Broadcast(so);
MessageEvent(player.Name, chatBox.Text);
}
else
{
((Client)n).Send(so);
}
chatBox.Text = "";
}
private void ConnectCallback(IAsyncResult ar)
{
try
{
// Retrieve the socket from the state object.
Socket client = (Socket)ar.AsyncState;
// Complete the connection.
client.EndConnect(ar);
try
{
//Send client's player name to host
IPEndPoint localEndPoint = new IPEndPoint(ipAddress, port);
SerializableObject sobject = new SerializableObject(DataType.Player_Registration, player.Name);
Send(sobject);
Receive(client);
}
catch (SocketException e)
{
UpdateStatus("Problem connecting to server: " + e.ToString());
}
}
catch (Exception e)
{
UpdateStatus(e.ToString());
}
}
protected override void ReceiveCallback(IAsyncResult ar)
{
// Retrieve the state object and the handler socket
// from the asynchronous state object.
StateObject state = (StateObject)ar.AsyncState;
Socket handler = state.WorkingSocket;
try // Read data from the handler socket.
{
int nbrBytes = handler.EndReceive(ar);
state.AddTempBufferToBuffer(nbrBytes);
if (handler.Available > 0) //if received data is not complete, then continue receiving
{
handler.BeginReceive(
state.TempBuffer, 0,
state.TempBuffer.Length,
SocketFlags.None,
ReceiveCallback,
state);
}
else //if data has been fully received
{
lock (locker)
{
SerializableObject sObject = (SerializableObject)Serialization.Deserialize(state.Buffer.ToArray());
String s;
switch (sObject.DataType)
{
case DataType.Player_Registration:
s = "Player " + sObject.Name + " connected to host";
UpdateStatus(s);
AddPlayer(sObject.Name);
//Send host name to client
SerializableObject so = new SerializableObject(DataType.Player_Registration, player.Name);
byte[] byteData = Serialization.Serialize(so);
// Begin sending the data to the remote device.
handler.BeginSend(byteData, 0, byteData.Length, 0,
new AsyncCallback(SendCallback), handler);
break;
case DataType.Score:
UpdateScore(sObject.Name, sObject.Score);
Debug.WriteLine("Host received score update for " + sObject.Name + " : " + sObject.Score);
Broadcast(sObject);
break;
case DataType.Message:
Message(sObject.Name, sObject.Message);
Broadcast(sObject);
break;
}
}//end lock
//continue receiving other data
Receive(state.WorkingSocket);
}//end else (->data has been received)
}//end try
catch (SocketException e)
{
UpdateStatus(e.ToString());
}
}
