//sends connect message
public void SendConnectMessage()
{
ConnectMessagePacket connectPacket = new ConnectMessagePacket("user");
MemoryStream msgStream = new MemoryStream();
formatter.Serialize(msgStream, connectPacket);
byte[] buffer = msgStream.GetBuffer();
writer.Write(buffer.Length);
writer.Write(buffer);
writer.Flush();
isConnected = true;
}
//processes server responce
private void ProcessServerResponse()
{
int numberOfBytes;
//if connected to server
while (isConnected == true)
{
//read data from server and deserialize
if ((numberOfBytes = reader.ReadInt32()) != 0)
{
byte[] buffer = reader.ReadBytes(numberOfBytes);
MemoryStream _stream = new MemoryStream(buffer);
Packet packet = formatter.Deserialize(_stream) as Packet;
//if packet type is...
switch (packet.mPacketType)
{
//send message to all
case PacketType.chatMessage:
ChatMessagePacket chatPacket = (ChatMessagePacket)packet;
mClientForm.UpdateChatWindow(chatPacket.mSender + ": " + chatPacket.mMessage);
break;
//send disconnect message to all
case PacketType.disconnectMessage:
DisconnectMessagePacket disconnectPacket = (DisconnectMessagePacket)packet;
mClientForm.UpdateChatWindow(disconnectPacket.mSender + ": has disconnected.");
break;
//send connect message to all
case PacketType.connectMessage:
ConnectMessagePacket connectPacket = (ConnectMessagePacket)packet;
mClientForm.UpdateChatWindow(connectPacket.mSender + ": has connected.");
break;
//send private message to user
case PacketType.privateMessage:
PrivateMessagePacket privateMessagePacket = (PrivateMessagePacket)packet;
mClientForm.UpdateChatWindow(privateMessagePacket.mSender + "(" + privateMessagePacket.mReceiver + ")" + " Wispers: " + privateMessagePacket.mMessage);
break;
}
}
}
reader.Close();
writer.Close();
tcpClient.Close();
}
//client method sends data from server program to client program
private void ClientMethod(Client client)
{
Packet packet;
try
{
//while client is reading data
while ((packet = client.Read()) != null)
{
switch (packet.mPacketType)
{
//send message to everyone
case PacketType.chatMessage:
ChatMessagePacket chatMessagePacket = (ChatMessagePacket)packet;
foreach (Client onlineClient in clients.Values)
{
onlineClient.Send(packet);
}
break;
//send disconnect message to everyone
case PacketType.disconnectMessage:
DisconnectMessagePacket disconnectPacket = (DisconnectMessagePacket)packet;
foreach (Client onlineClient in clients.Values)
{
onlineClient.Send(packet);
}
break;
//send connect message
case PacketType.connectMessage:
ConnectMessagePacket connectMessage = (ConnectMessagePacket)packet;
foreach (Client onlineClient in clients.Values)
{
onlineClient.Send(packet);
}
break;
//send private message to one user
case PacketType.privateMessage:
PrivateMessagePacket privateMessage = (PrivateMessagePacket)packet;
for (int i = 0; i < clients.Count(); i++)
{
if (i == privateMessage.mReceiver)
{
clients[i].Send(packet);
}
}
break;
default:
break;
}
}
}
//if try catch fails send error message
catch (Exception e)
{
Console.WriteLine("Error:" + e.Message);
}
//close client and remove from concurrent bag
finally
{
for (int i = 0; i < clients.Count(); i++)
{
//clients[i].Close();
clients.TryRemove(i, out client);
}
}
}
