private void ReceiveCallback(IAsyncResult AR)
{
try
{
int received = ClientSocket.EndReceive(AR);
string text = Encoding.ASCII.GetString(buffer);
MessagePackage package = new MessagePackage();
Tuple <int, int, string, string, string> tuple = package.SliceMessage(text.Substring(0, received));
if (tuple.Item1 == 0)
{
LoggedInScreen loggedinScreen = new LoggedInScreen(ClientSocket, textBoxName.Text);
loggedinScreen.UsernameList = package.ToUsernameList(tuple.Item5);
this.Hide();
loggedinScreen.ShowDialog();
}
else if (tuple.Item1 == 5)
{
MessageBox.Show("This username already exists!", Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
return;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
private void ReceiveCallback(IAsyncResult ar)
{
try
{
int received = ClientSocket.EndReceive(ar);
string text = Encoding.ASCII.GetString(buffer);
MessagePackage package = new MessagePackage();
Tuple <int, int, string, string, string> tuple = package.SliceMessage(text.Substring(0, received));
//uzenet tipusa
switch (tuple.Item1)
{
case 0:
UsernameList = package.ToUsernameList(tuple.Item5);
listBoxContactList.Items.Clear();
foreach (string name in UsernameList)
{
if (name.Equals(myName))
{
continue;
}
listBoxContactList.Items.Add(name);
}
this.ClientSocket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), null);
break;
//privat uzenet
case 1:
if (tuple.Item2 == 0) //nincs fajl - 0
{
if (tuple.Item3.Equals(myName))
{
MessagingScreen megnyitott;
megnyitott = openWindows[tuple.Item4];
megnyitott.AppendToTextBox(tuple.Item5, tuple.Item3);
this.ClientSocket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), null);
}
else if (!tuple.Item3.Equals(myName))
{
if (openWindows.ContainsKey(tuple.Item3) == true)
{
MessagingScreen megnyitott;
megnyitott = openWindows[tuple.Item3];
megnyitott.AppendToTextBox(tuple.Item5, tuple.Item3);
this.ClientSocket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), null);
}
else
{
MessagingScreen messagingScreen = OpenNewMessagingScreen(new List <string>(), tuple.Item3, 1);
messagingScreen.AppendToTextBox(tuple.Item5, tuple.Item3);
openWindows.Add(tuple.Item3, messagingScreen);
messagingScreen.Show();
this.ClientSocket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), null);
Application.Run();
}
}
}
else if (tuple.Item2 == 1) // van fajl kuldes
{
if (tuple.Item3.Equals(myName))
{
MessagingScreen megnyitott;
megnyitott = openWindows[tuple.Item4];
megnyitott.AppendToTextBox("File sent", tuple.Item3);
this.ClientSocket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), null);
}
else
{
try
{
byte[] fileByte = Encoding.ASCII.GetBytes(tuple.Item5);
SaveFileDialog sfd = new SaveFileDialog();
sfd.AutoUpgradeEnabled = false;
sfd.Filter = "Text File|*.txt";
//sfd.Filter = "Image Files |*.JPG;*.PNG| Text File|*.txt";
if (sfd.ShowDialog() == DialogResult.OK)
{
File.WriteAllBytes(sfd.FileName, Encoding.ASCII.GetBytes(tuple.Item5));
}
if (openWindows.ContainsKey(tuple.Item3) == true)
{
MessagingScreen megnyitott;
megnyitott = openWindows[tuple.Item3];
megnyitott.AppendToTextBox("File received", tuple.Item3);
this.ClientSocket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), null);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
break;
//chatsszoba
case 2:
if (tuple.Item2 == 0) //nincs fajlkuldes
{
if (openWindows.ContainsKey(tuple.Item4) == true)
{
MessagingScreen megnyitott;
megnyitott = openWindows[tuple.Item4];
megnyitott.AppendToTextBox(tuple.Item5, tuple.Item3);
this.ClientSocket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), null);
}
else
{
MessagingScreen messagingScreen = OpenNewMessagingScreen(chatRoomParticipants, tuple.Item4, 2);
messagingScreen.AppendToTextBox(tuple.Item5, tuple.Item3);
openWindows.Add(tuple.Item4, messagingScreen);
messagingScreen.Show();
this.ClientSocket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), null);
Application.Run();
}
}
else if (tuple.Item2 == 1) // van fajlkuldes
{
if (tuple.Item3.Equals(myName))
{
MessagingScreen megnyitott;
megnyitott = openWindows[tuple.Item4];
megnyitott.AppendToTextBox("File sent", tuple.Item3);
this.ClientSocket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), null);
}
else
{
try
{
byte[] fileByte = Encoding.ASCII.GetBytes(tuple.Item5);
SaveFileDialog sfd = new SaveFileDialog();
sfd.AutoUpgradeEnabled = false;
sfd.Filter = "Text File|*.txt";
//sfd.Filter = "Image Files | *.BMP; *.JPG; *.GIF | All files(*.*) | *.*";
if (sfd.ShowDialog() == DialogResult.OK)
{
File.WriteAllBytes(sfd.FileName, Encoding.ASCII.GetBytes(tuple.Item5));
}
if (openWindows.ContainsKey(tuple.Item4) == true)
{
MessagingScreen megnyitott;
megnyitott = openWindows[tuple.Item4];
megnyitott.AppendToTextBox("File received", tuple.Item3);
this.ClientSocket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), null);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
break;
//mindenkinek kuldes
case 3:
//ha nincs fajl
if (tuple.Item2 == 0)
{
if (openWindows.ContainsKey(tuple.Item4) == true)
{
MessagingScreen megnyitott;
megnyitott = openWindows[tuple.Item4];
megnyitott.AppendToTextBox(tuple.Item5, tuple.Item3);
this.ClientSocket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), null);
}
else
{
MessagingScreen messagingScreen = OpenNewMessagingScreen(UsernameList, tuple.Item4, 3);
messagingScreen.AppendToTextBox(tuple.Item5, tuple.Item3);
openWindows.Add(tuple.Item4, messagingScreen);
messagingScreen.Show();
this.ClientSocket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), null);
Application.Run();
}
}
else if (tuple.Item2 == 1)
{
if (tuple.Item3.Equals(myName))
{
MessagingScreen megnyitott;
megnyitott = openWindows[tuple.Item4];
megnyitott.AppendToTextBox("File sent", tuple.Item3);
this.ClientSocket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), null);
}
else
{
try
{
byte[] fileByte = Encoding.ASCII.GetBytes(tuple.Item5);
SaveFileDialog sfd = new SaveFileDialog();
sfd.AutoUpgradeEnabled = false;
sfd.Filter = "Text File|*.txt";
if (sfd.ShowDialog() == DialogResult.OK)
{
File.WriteAllBytes(sfd.FileName, Encoding.ASCII.GetBytes(tuple.Item5));
}
if (openWindows.ContainsKey(tuple.Item4) == true)
{
MessagingScreen megnyitott;
megnyitott = openWindows[tuple.Item4];
megnyitott.AppendToTextBox("File received", tuple.Item3);
this.ClientSocket.BeginReceive(buffer, 0, buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), null);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
break;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, Application.ProductName, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}