private static void OnAttemptConnect(IAsyncResult ar)
{
try
{
Status = true;
s_socket.EndConnect(ar); //notify the server the connection was established succefully
MessageStructure msgToSend = new MessageStructure
{
Command = Command.AttemptLogin,
Color = HexConverter.Convert(Client.Color),
ClientName = Client.Name,
UserName = Client.UserName
};
byte[] msgToSendByte = msgToSend.ToByte();
// Ssend the login credinails of the established connection to the server
//s_socket.BeginSend(msgToSendByte, 0, msgToSendByte.Length, SocketFlags.None, OnSend, null);
s_socket.Send(msgToSendByte, 0, msgToSendByte.Length, SocketFlags.None);
s_byteMessage = new byte[2097152];
s_socket.BeginReceive(s_byteMessage, 0, s_byteMessage.Length, SocketFlags.None, OnReceive, null);
}
catch (Exception ex)
{
if (ClientNetworkEngineAttemptLoginErrorEvent != null)
{
ClientNetworkEngineAttemptLoginErrorEvent.Invoke(ex.Message);
}
//MessageBox.Show(ex.Message + @" -> OnAttemptConnect", @"Chat: ", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private static void OnReceive(IAsyncResult ar)
{
if (!Status)
{
return;
}
try
{
// Let the server know the message was recieved
s_socket.EndReceive(ar);
// Convert message from bytes to messageStracure class and store it in msgReceieved
MessageStructure msgReceived = new MessageStructure(s_byteMessage);
// Set new bytes and start recieving again
s_byteMessage = new byte[2097152];
if (msgReceived.Command == Command.Disconnect)
{
Status = false;
MessageStructure msgToSend = new MessageStructure
{
Command = Command.Disconnect,
ClientName = Client.Name,
UserName = Client.UserName
};
byte[] b = msgToSend.ToByte();
s_socket.Send(b, 0, b.Length, SocketFlags.None);
s_socket.Shutdown(SocketShutdown.Both);
s_socket.BeginDisconnect(true, (OnDisonnect), s_socket);
if (ClientNetworkEngineDisconnectEvent != null)
{
ClientNetworkEngineDisconnectEvent.Invoke();
}
return;
}
if (msgReceived.Command != Command.AttemptLogin && msgReceived.Command != Command.Register)
{
s_socket.BeginReceive(s_byteMessage, 0, s_byteMessage.Length, SocketFlags.None, OnReceive, s_socket);
}
switch (msgReceived.Command)
{
case Command.Register:
if (ClientNetworkEngineRegisterMessageEvent != null)
{
ClientNetworkEngineRegisterMessageEvent.Invoke(msgReceived.Message);
}
break;
case Command.AttemptLogin:
if (ClientNetworkEngineAttemptLoginErrorEvent != null)
{
ClientNetworkEngineAttemptLoginErrorEvent.Invoke(msgReceived.Message);
}
break;
case Command.Login:
if (msgReceived.ClientName == Client.Name)
{
if (ClientNetworkEngineLoggedinEvent != null)
{
ClientNetworkEngineLoggedinEvent.Invoke();
}
// Send Request for online client list
MessageStructure msgToSend = new MessageStructure
{
Command = Command.List,
ClientName = Client.Name
};
byte[] byteMessageToSend = msgToSend.ToByte();
s_socket.BeginSend(byteMessageToSend, 0, byteMessageToSend.Length, SocketFlags.None, OnSend, s_socket);
return;
}
if (ClientNetworkEngineLoginEvent != null)
{
ClientNetworkEngineLoginEvent.Invoke(msgReceived.ClientName, msgReceived.Message);
}
break;
case Command.List:
if (ClientNetworkEngineClientsListEvent != null)
{
ClientNetworkEngineClientsListEvent.Invoke(msgReceived.Message);
}
break;
case Command.Logout:
if (ClientNetworkEngineLogoutEvent != null)
{
ClientNetworkEngineLogoutEvent.Invoke(msgReceived.ClientName, msgReceived.Message);
}
break;
case Command.Message:
if (ClientNetworkEngineMessageEvent != null)
{
ClientNetworkEngineMessageEvent.Invoke(msgReceived.ClientName, msgReceived.Message, ColorTranslator.FromHtml(msgReceived.Color));
}
break;
case Command.NameChange:
if (Client.Name == msgReceived.ClientName)
{
Client.Name = msgReceived.Message;
}
if (ClientNetworkEngineNameChangeEvent != null)
{
ClientNetworkEngineNameChangeEvent.Invoke(msgReceived.ClientName, msgReceived.Message, ColorTranslator.FromHtml(msgReceived.Color));
}
break;
case Command.ColorChanged:
if (ClientNetworkEngineColorChangedEvent != null)
{
ClientNetworkEngineColorChangedEvent.Invoke(msgReceived.ClientName, ColorTranslator.FromHtml(msgReceived.Color));
}
break;
case Command.PrivateStart:
if (ClientNetworkEnginePrivateChatStartEvent != null)
{
ClientNetworkEnginePrivateChatStartEvent.Invoke(msgReceived.ClientName);
}
break;
case Command.PrivateMessage:
if (ClientNetworkEnginePrivateMessageEvent != null)
{
ClientNetworkEnginePrivateMessageEvent.Invoke(msgReceived.ClientName, msgReceived.Private, msgReceived.Message);
}
break;
case Command.PrivateStopped:
if (ClientNetworkEnginePrivateStoppedEvent != null)
{
ClientNetworkEnginePrivateStoppedEvent.Invoke(msgReceived.ClientName);
}
//TabPagePrivateChatReceiveClientEvent.Invoke(msgReceived.ClientName, msgReceived.Private, msgReceived.Message, 1);
break;
case Command.ServerMessage:
if (ClientNetworkEngineServerMessageEvent != null)
{
ClientNetworkEngineServerMessageEvent.Invoke(msgReceived.Message);
}
break;
case Command.ImageMessage:
MemoryStream ms = new MemoryStream(msgReceived.ImgByte);
Image img = Image.FromStream(ms);
if (ClientNetworkEngineImageMessageEvent != null)
{
ClientNetworkEngineImageMessageEvent.Invoke(msgReceived.ClientName, msgReceived.Private, img);
}
break;
}
}
//catch (ArgumentException)
//{
// //MessageBox.Show(ex.Message + @" -> OnReceive", @"Chat: " + Client.Name, MessageBoxButtons.OK, MessageBoxIcon.Error);
//}
catch (Exception ex)
{
MessageBox.Show(ex.Message + @" -> OnReceive", @"Chat: " + Client.Name, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
