private void btnSend_Click(object sender, EventArgs e)
{
try
{
//Make sure a recipient is selected to chat with
if (lstUsers.SelectedItems.Count < 1)
{
MessageBox.Show("You must select who to chat with.");
return;
}
Chat.Message MSG = new Chat.Message();
MSG.Sender = Client;
MSG.MSG = txtMessage.Text;
switch (cmbAction.SelectedIndex)
{
case 0:
MSG.Type = Chat.MGSType.Chat;
break;
case 1:
MSG.Type = Chat.MGSType.PowerShell;
break;
case 2:
MSG.Type = Chat.MGSType.ComputerInfo;
break;
}
//Add the selected recipients to the table
foreach (string user in lstUsers.SelectedItems)
{
Chat.Client c = new Chat.Client();
c.Name = user;
MSG.Reciptients.Add(c);
}
//Update the sender's message history
txtMessageHistory.Text += Client.Name + " - " + txtMessage.Text + Environment.NewLine;
byte[] msg = Chat.Serialize(Chat.Action.Message, MSG);
if (Session.SendMessage(msg) == false)
{
// Show the exception
MessageBox.Show(Session.Exception);
return;
}
//Clear the message box
txtMessage.Clear();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
}
internal void receivedData(Chat.Packet packet)
{
Chat.Clients recipients = new Chat.Clients();
if (packet != null)
{
switch (packet.ID)
{
case Chat.Action.Join:
// Deserialize the content
Chat.Client usr = Chat.Client.Deserialize(packet.Content);
ClientName = usr.Name;
// Add the user set to receive a full list of user
recipients.List.Add(usr);
Chat.Clients usrs = new Chat.Clients();
foreach (DictionaryEntry c in IPList)
{
Chat.Client u = new Chat.Client();
u.Name = ((Server)c.Value).ClientName;
usrs.List.Add(u);
}
byte[] msg = Chat.Serialize(Chat.Action.ClientList, usrs);
//Send the full user list to the user that just signed on
Broadcast(msg, recipients);
//Rebroadcast the original message to everyone that this user is online
Broadcast(Data, null);
break;
case Chat.Action.Message:
Chat.Message message = Chat.Message.Deserialize(packet.Content);
foreach (Chat.Client recipient in message.Reciptients)
{
recipients.List.Add(recipient);
}
//Send the message to the recipients
Broadcast(Data, recipients);
break;
default:
break;
}
}
}
public void sessionEnded(string clientIP)
{
IPList.Remove(clientIP);
Chat.Client usr = new Chat.Client();
usr.Name = ClientName;
byte[] msg = Chat.Serialize(Chat.Action.Disconnect, usr);
Broadcast(msg, null);
}
public bool JoinClient(Chat.Client user)
{
Exception = null;
bool result = false;
try
{
// Serialize the message
byte[] msg = Chat.Serialize(Chat.Action.Join, user);
SendMessage(msg);
result = true;
}
catch (Exception ex)
{
Exception = ex.Message;
}
return(result);
}
//Delegate and subroutine to update the textBox control
//Friend Delegate Sub delUpdateHistory(ByVal str As String)
internal void receivedData(Chat.Packet packet)
{
switch (packet.ID)
{
case Chat.Action.Join:
Chat.Client usr = Chat.Client.Deserialize(packet.Content);
lstUsers.Items.Add(usr.Name);
break;
case Chat.Action.ClientList:
lstUsers.Items.Clear();
Chat.Clients usrs = Chat.Clients.Deserialize(packet.Content);
foreach (Chat.Client u in usrs.List)
{
if (Client.Name != u.Name)
{
lstUsers.Items.Add(u.Name);
}
}
break;
case Chat.Action.Message:
//Read the message
Chat.Message msg = Chat.Message.Deserialize(packet.Content);
switch (msg.Type)
{
case Chat.MGSType.Chat:
break;
case Chat.MGSType.PowerShell:
break;
case Chat.MGSType.ComputerInfo:
break;
}
//Read the recipients...
//Update the recipient's message history
txtMessageHistory.Text += msg.Sender.Name + " - " + msg.MSG + Environment.NewLine;
break;
case Chat.Action.Disconnect:
Chat.Client user = Chat.Client.Deserialize(packet.Content);
//Remove the user from the listbox
lstUsers.Items.Remove(user.Name);
break;
default:
break;
}
}
