private void TcpClientMethod(Client client)
{
try
{
Packet packet;
while ((packet = client.TcpRead()) != null)
{
if (packet != null)
{
switch (packet.packetType)
{
case PacketType.LOGIN:
Console.WriteLine("Server TCP 'Login' Packet Received");
LoginPacket loginPacket = (LoginPacket)packet;
clients[index - 1].endPoint = loginPacket.EndPoint;
clients[index - 1].ClientKey = loginPacket.PublicKey;
client.TcpSend(new LoginPacket(null, client.PublicKey));
client.TcpSend(new PenPacket(startColor));
foreach (KeyValuePair <int, Client> c in clients)
{
if (c.Value != client)
{
c.Value.TcpSend(new PenPacket(Color.Black));
}
for (int i = 0; i < clientNames.Count; i++)
{
if (i == 0)
{
c.Value.TcpSend(new EncryptedClientListPacket(c.Value.EncryptString(clientNames[i]),
BitConverter.GetBytes(true)));
}
else
{
c.Value.TcpSend(new EncryptedClientListPacket(c.Value.EncryptString(clientNames[i]),
BitConverter.GetBytes(false)));
}
}
c.Value.TcpSend(new EncryptedAdminPacket(BitConverter.GetBytes(adminIsConnected)));
}
break;
case PacketType.ENCRYPTED_ADMIN:
Console.WriteLine("Server TCP 'Admin' Packet Received");
EncryptedAdminPacket adminPacket = (EncryptedAdminPacket)packet;
adminIsConnected = BitConverter.ToBoolean(adminPacket.adminConnected, 0);
foreach (KeyValuePair <int, Client> c in clients)
{
c.Value.TcpSend(adminPacket);
}
break;
case PacketType.ENCRYPTED_CLIENT_LIST:
Console.WriteLine("Server TCP 'Client List' Packet Received");
EncryptedClientListPacket clientListPacket = (EncryptedClientListPacket)packet;
string clientListName = client.DecryptString(clientListPacket.name);
bool clientListBool = BitConverter.ToBoolean(clientListPacket.removeText, 0);
if (!clientListBool)
{
clientNames.Add(clientListName);
}
else
{
clientNames.Remove(clientListName);
}
foreach (KeyValuePair <int, Client> c in clients)
{
for (int i = 0; i < clientNames.Count; i++)
{
if (i == 0)
{
c.Value.TcpSend(new EncryptedClientListPacket(c.Value.EncryptString(clientNames[i]),
BitConverter.GetBytes(true)));
}
else
{
c.Value.TcpSend(new EncryptedClientListPacket(c.Value.EncryptString(clientNames[i]),
BitConverter.GetBytes(false)));
}
}
}
break;
case PacketType.PEN:
Console.WriteLine("Server TCP 'Pen' Packet Received");
PenPacket penPacket = (PenPacket)packet;
startColor = penPacket.penColor;
foreach (KeyValuePair <int, Client> c in clients)
{
c.Value.TcpSend(penPacket);
}
break;
case PacketType.ENCRYPTED_ENABLE_PAINTING:
Console.WriteLine("Server TCP 'Enable Painting' Packet Received");
EncryptedEnablePaintingPacket enablePaintingPacket = (EncryptedEnablePaintingPacket)packet;
string enablePaintingString = client.DecryptString(enablePaintingPacket.playerName);
bool enablePaintingBool = BitConverter.ToBoolean(enablePaintingPacket.enablePainting, 0);
foreach (KeyValuePair <int, Client> c in clients)
{
if (c.Value != client)
{
c.Value.TcpSend(new EncryptedEnablePaintingPacket(c.Value.EncryptString(enablePaintingString),
BitConverter.GetBytes(enablePaintingBool)));
}
}
break;
case PacketType.ENCRYPTED_CLEAR_SINGLE:
Console.WriteLine("Server TCP 'Clear Single' Packet Received");
EncryptedClearSinglePacket clearSinglePacket = (EncryptedClearSinglePacket)packet;
string clearSingleString = client.DecryptString(clearSinglePacket.playerName);
foreach (KeyValuePair <int, Client> c in clients)
{
if (c.Value != client)
{
c.Value.TcpSend(new EncryptedClearSinglePacket(c.Value.EncryptString(clearSingleString)));
}
}
break;
case PacketType.CLEAR_GLOBAL:
Console.WriteLine("Server TCP 'Clear Global' Packet Received");
ClearGlobalPacket clearGlobalPacket = (ClearGlobalPacket)packet;
foreach (KeyValuePair <int, Client> c in clients)
{
c.Value.TcpSend(clearGlobalPacket);
}
break;
}
}
}
}
catch (Exception exception)
{
Console.WriteLine("Server TCP Read Method Exception: " + exception.Message);
}
finally
{
client.Close();
clients.TryRemove(index, out client);
}
}
private void TcpProcessServerResponse()
{
try
{
int numberOfBytes = 0;
while ((numberOfBytes = reader.ReadInt32()) != -1)
{
byte[] buffer = reader.ReadBytes(numberOfBytes);
MemoryStream memoryStream = new MemoryStream(buffer);
Packet packet = formatter.Deserialize(memoryStream) as Packet;
switch (packet.packetType)
{
case PacketType.LOGIN:
Console.WriteLine("Client [" + clientName + "] TCP 'Login' Packet Received");
LoginPacket loginPacket = (LoginPacket)packet;
ServerKey = loginPacket.PublicKey;
break;
case PacketType.ENCRYPTED_ADMIN:
Console.WriteLine("Client [" + clientName + "] TCP 'Admin' Packet Received");
EncryptedAdminPacket adminPacket = (EncryptedAdminPacket)packet;
paintForm.adminConnected = BitConverter.ToBoolean(adminPacket.adminConnected, 0);
break;
case PacketType.ENCRYPTED_CLIENT_LIST:
Console.WriteLine("Client [" + clientName + "] TCP 'Client List' Packet Received");
EncryptedClientListPacket clientListPacket = (EncryptedClientListPacket)packet;
paintForm.UpdatePlayerList(DecryptString(clientListPacket.name), BitConverter.ToBoolean(clientListPacket.removeText, 0));
break;
case PacketType.PEN:
Console.WriteLine("Client [" + clientName + "] TCP 'Pen' Packet Received");
PenPacket penPacket = (PenPacket)packet;
paintForm.UpdatePen(penPacket.penColor);
break;
case PacketType.ENCRYPTED_ENABLE_PAINTING:
Console.WriteLine("Client [" + clientName + "] TCP 'Enable Painting' Packet Received");
EncryptedEnablePaintingPacket enablePaintingPacket = (EncryptedEnablePaintingPacket)packet;
string enablePaintingString = DecryptString(enablePaintingPacket.playerName);
bool enablePaintingBool = BitConverter.ToBoolean(enablePaintingPacket.enablePainting, 0);
if (enablePaintingString == clientName)
{
paintForm.penEnabled = enablePaintingBool;
if (enablePaintingBool == true)
{
paintForm.UpdateServerWindow("Admin has enabled painting!", Color.Black, Color.SkyBlue);
}
else
{
paintForm.UpdateServerWindow("Admin has disabled painting!", Color.Black, Color.IndianRed);
}
}
break;
case PacketType.ENCRYPTED_CLEAR_SINGLE:
Console.WriteLine("Client [" + clientName + "] TCP 'Clear Single' Packet Received");
EncryptedClearSinglePacket clearSinglePacket = (EncryptedClearSinglePacket)packet;
string clearSingleString = DecryptString(clearSinglePacket.playerName);
if (clearSingleString == clientName)
{
paintForm.UpdateServerWindow("Admin cleared the canvas!", Color.Black, Color.IndianRed);
paintForm.ClearCanvas();
}
break;
case PacketType.CLEAR_GLOBAL:
Console.WriteLine("Client [" + clientName + "] TCP 'Clear Global' Packet Received");
paintForm.UpdateServerWindow("Admin cleared the canvas!", Color.Black, Color.IndianRed);
paintForm.ClearCanvas();
break;
}
}
}
catch (Exception exception)
{
Console.WriteLine("Client TCP Read Method Exception: " + exception.Message);
}
}
