private void sndMsgBtn_Click(object sender, EventArgs e)
{
string msg = inputBox.Text;
Update(client.FormatMsg(userName, msg));
MessageFrame mf = MsgParser(msg);
client.SendObjStream(mf);
}
private void inputBox_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Enter)
{
string msg = inputBox.Text;
Update(client.FormatMsg(userName, msg));
MessageFrame mf = MsgParser(msg);
client.SendObjStream(mf);
inputBox.Text = "";
e.SuppressKeyPress = true;
}
}
//odczytuje strumień jako string
private async Task <string> ReadStreamAsync(NetworkStream stream)
{
byte[] result;
result = new byte[1024];
int bytesRead = await stream.ReadAsync(result, 0, result.Length);
MessageFrame messageFrame = new MessageFrame();
messageFrame = (MessageFrame)Deserialize(result);
//string response = System.Text.Encoding.UTF8.GetString(result, 0, bytesRead);
return(messageFrame.Data);
}
public void StopClient()
{
if (!clientIsDisconnected)
{
MessageFrame mf = new MessageFrame();
mf.Data = string.Format(nickname + " disconected");
SendObjStream(mf);
usr.clientStream.Close();
clientsTaskList.Remove(usr);
nickname = string.Empty;
clientIsDisconnected = true;
}
}
private async void ReadStreamAsync() //odczytuje strumień i przekazuje do innych podłączonych klientów
{
while (!isDisconected)
{
try
{
object obj = await service.ReadObjAsync(clientStream);
MessageFrame mf = new MessageFrame();
mf = (MessageFrame)obj;
if (mf.Destination == null && mf.Command == null)
{
service.BroadCast(obj);
service.UpdateUI(service.FormatMsg(mf.Sender, mf.Data));
}
if (mf.Destination != null)
{
service.BroadCast(obj, mf.Destination);
}
if (mf.Command == "list")
{
MessageFrame listmf = new MessageFrame();
listmf.ConnectedUsers = service.GetUsersList();
service.BroadCast(listmf, mf.Sender);
}
if (mf.Command == "join")
{
ChatRoom romm = new ChatRoom(mf.Param);
romm.AddClient(clientStream);
}
}
catch (System.IO.IOException) // przerwij kiedy połączenie z klientem zerwane
{
service.clientsTaskList.Remove(this);
break;
}
catch (ObjectDisposedException) when(service.serverIsClosed) //przerwij kiedy serwer rozłączony
{
break;
}
catch (SerializationException) when(service.serverIsClosed)
{
break;
}
}
service.clientsTaskList.Remove(this);
clientStream.Close();
}
private void BroadCast(object obj)
{
MessageFrame mf = (MessageFrame)obj;
foreach (var client in clientsTaskList.Where(u => u.username != mf.Sender))
{
try
{
SendObjStream(obj, client.clientStream);
}
catch (Exception ex)
{
UpdateUI(ex.Message);
}
}
}
public async void ClientReadStreamAsync(NetworkStream stream)
{
while (!clientIsDisconnected)
{
try
{
MessageFrame mf = new MessageFrame();
object obj = await ReadObjAsync(stream);
mf = (MessageFrame)obj;
if (mf.Data != null)
{
//string response = await ReadStreamAsync(stream);
UpdateUI(FormatMsg(mf.Sender, mf.Data));
if (mf.Data == string.Empty)
{
break;
}
}
if (mf.ConnectedUsers != null)
{
foreach (var user in mf.ConnectedUsers)
{
UpdateUI(FormatMsg(usr.username, user));
}
}
}
catch (System.IO.IOException)
{
break;
}
catch (ObjectDisposedException) when(serverIsClosed) //przerwij kiedy serwer rozłączony
{
break;
}
catch (SerializationException) when(serverIsClosed)
{
break;
}
}
stream.Close();
}
private MessageFrame MsgParser(string msg)
{
MessageFrame mf = new MessageFrame();
string[] param = msg.Split(new char[] { ' ' }, 3);
mf.Sender = userName;
switch (param[0])
{
case ":list":
mf.Command = "list";
break;
case ":quit":
Close();
break;
case ":join":
mf.Command = "join";
mf.Param = param[1];
break;
case ":pv":
mf.Data = msg;
mf.Destination = param[1];
break;
default:
mf.Data = msg;
break;
}
return(mf);
}
//oczekuje na połączenia dodaje klientów do listy
private async void ListenForClients()
{
while (!serverIsClosed)
{
try
{
MessageFrame mf = new MessageFrame();
client = await listener.AcceptTcpClientAsync();
string username = await ReadStreamAsync(client.GetStream());
clientsTaskList.Add(new User(client.GetStream(), username, this));
string time = timer.TimeOfDay.ToString();
string msg = string.Format(TimeStamp() + " " + "{0}, joined {1}\n", username, GetServerIpAddress());
UpdateUI(msg);
}
catch (ObjectDisposedException) when(serverIsClosed)
{
break;
}
catch (SerializationException) when(serverIsClosed)
{
break;
}
}
//jeśli sa podłączeni klienci rozłącz i wyczysć liste klientów
if (clientsTaskList != null)
{
foreach (var client in clientsTaskList)
{
client.Close();
}
clientsTaskList.Clear();
}
}
public void StartClient()
{
if (serverIsClosed)
{
try
{
client = new TcpClient(iPAddress.ToString(), port);
usr = new User(client.GetStream(), nickname);
clientIsDisconnected = false;
MessageFrame mf = new MessageFrame();
mf.Data = usr.username;
SendObjStream(mf);
ClientReadStreamAsync(usr.clientStream);
}
catch (System.Net.Sockets.SocketException ex)
{
UpdateUI(ex.Message + "\n");
}
}
else
{
}
}
