private void StartListening()
{
server.Start();
UpdateGUI.UpdateControl(txtStatus, "Text", "Прослушивание подключений...");
while (!stop)
{
if (server != null)
{
if (server.Pending())
{
TcpClient client = server.AcceptTcpClient();
var clientIp = ((IPEndPoint)client.Client.RemoteEndPoint).Address.ToString();
connectionId++;
AddConnection(clientIp, client);
UpdateGUI.UpdateControl(txtStatus, "Text", $"Новое подключение: {clientIp}.");
}
else
{
ListenMessages();
}
}
}
}
private void btnStarter_Click(object sender, EventArgs e)
{
if (btnStarter.Text.StartsWith("Запустить"))
{
if (Int32.TryParse(txtPort.Text, out port))
{
if (server == null)
{
stop = false;
server = new TcpListener(IPAddress.Any, port);
Listening = new Thread(StartListening);
Listening.Start();
UpdateGUI.UpdateControl(btnStarter, "Text", "Остановить прослушивание");
UpdateGUI.UpdateControl(txtStatus, "Text", "Прослушивание подключений...");
}
}
else
{
MessageBox.Show("Порт введен некорректно.");
}
}
else
{
StopListening();
UpdateGUI.UpdateControl(btnStarter, "Text", "Запустить прослушивание");
UpdateGUI.UpdateControl(txtStatus, "Text", "Прослушивание остановлено.");
}
}
private void StopTranslationButton_Click(object sender, EventArgs e)
{
Button btn = (Button)sender;
var btnId = ParseControlId(btn.Name, "btnStopView");
if (btnId > 0)
{
var ip = connectionsDictionary.Where(c => c.Value.ConnectionId == btnId).FirstOrDefault().Value.ClientIP;
var connection = connectionsDictionary[ip];
connection.State = Utils.Models.ConnectionState.Off;
try
{
connection.RdpViewer.Disconnect();
}
catch { }
connection.TabPage.Controls.OfType <Button>().ToList()[0].Enabled = true;
connection.TabPage.Controls.OfType <Button>().ToList()[2].Enabled = false;
btn.Enabled = false;
UpdateGUI.UpdateControl(txtStatus, "Text", "Трансляция остановлена.");
}
}
private void DeleteConnection(string ip, bool disconnectRequest)
{
var connection = connectionsDictionary[ip];
if (disconnectRequest)
{
connection.MessageBroker.SendMessage(new DisconnectServerCommand(true));
}
if (connection.RdpViewer != null)
{
connection.RdpViewer.Disconnect();
}
DeleteTabPage($"tabPage{connection.ConnectionId}");
connectionsDictionary.Remove(ip);
UntieDisplayToConnection(connection);
var item = checkedListBox1.Items.IndexOf($"{connection.ClientIP}");
this.Invoke(new Action(() => {
checkedListBox1.Items.RemoveAt(item);
}));
UpdateGUI.UpdateControl(txtStatus, "Text", $"Клиент {ip} отключен.");
}
private void ExecuteProhibit(Connection connection, ICommand cmd)
{
bool prohibit = (bool)cmd.GetData()[0];
connection.ProhibitDemo = prohibit;
connection.State = Utils.Models.ConnectionState.Demonstration;
try
{
connection.RdpViewer.RequestControl(CTRL_LEVEL.CTRL_LEVEL_VIEW);
}
catch { }
var btns = connection.TabPage.Controls.OfType <Button>().ToList();
if (prohibit == true)
{
UpdateGUI.UpdateControl(btns[2], "Enabled", false);
UpdateGUI.UpdateControl(btns[3], "Enabled", false);
}
else
{
UpdateGUI.UpdateControl(btns[2], "Enabled", true);
}
}
private void btnConnect_Click(object sender, EventArgs e)
{
if (btnConnect.Text.StartsWith("Подключиться"))
{
if (firstRun)
{
firstRun = false;
}
try
{
if (!_client.Settings.IsEmpty())
{
if (checkedListBox1.CheckedItems.Count > 0)
{
_client.ConnectTcp();
_client.CreateSession(desktopOption, chosenApp);
_client.CreateConnectionString();
_client.SendConnectionCommand();
txtConnectionString.Text = _client.ConnectionString;
UpdateGUI.UpdateControl(btnMsgSend, "Enabled", true);
UpdateGUI.UpdateControl(btnSendFile, "Enabled", true);
UpdateGUI.UpdateControl(btnPause, "Enabled", true);
UpdateGUI.UpdateControl(btnResume, "Enabled", true);
_client.MessageListener.Start();
UpdateGUI.UpdateControl(txtStatus, "Text", "Подключение к серверу выполнено успешно.");
UpdateGUI.UpdateControl(btnConnect, "Text", "Отключиться от сервера");
}
else
{
MessageBox.Show("Опция демонстрации не выбрана.\n");
}
}
else
{
MessageBox.Show("Настройки подключения не заданы!\n");
}
}
catch (Exception ex)
{
_client.TcpClient = null;
_client.MessageBroker = null;
_client.Connected = false;
MessageBox.Show("Не удалось подключиться к севреру.\n");
UpdateGUI.UpdateControl(txtStatus, "Text", "Не удалось подключиться к севреру.");
}
}
else
{
if (_client.TcpClient != null)
{
_client.Disconnect(true);
_client.Dispose();
this.Dispose();
this.Close();
}
}
}
private void UntieDisplayToConnection(Connection connection)
{
var display = displays.Where(d => d.ConnectionId == connection.ConnectionId).FirstOrDefault();
if (display != null)
{
display.Unreserve(connection.ConnectionId);
display.RdpDisplay.Disconnect();
UpdateGUI.UpdateControl(display.Label, "Text", string.Empty);
}
}
private void TieDisplayToConnection(Connection connection)
{
var display = FindEmptyDisplay();
var displayId = display.Id;
if (display != null)
{
if (connection.State == Utils.Models.ConnectionState.Demonstration)
{
display.RdpDisplay.SmartSizing = true;
display.Reserve(connection.ConnectionId);
display.RdpDisplay.Connect(connection.ConnectionString, connection.AuthData.Name, connection.AuthData.Password);
var name = string.IsNullOrEmpty(connection.User.LabName) ? "" : connection.User.LabName;
UpdateGUI.UpdateControl(display.Label, "Text", $"{connection.ClientIP} {name}");
}
}
}
private void RequestControlButton_Click(object sender, EventArgs e)
{
Button btn = (Button)sender;
var btnId = ParseControlId(btn.Name, "btnRequestControl");
var currentConnection = connectionsDictionary.Where(c => c.Value.ConnectionId == btnId).FirstOrDefault().Value;
if (btnId > 0)
{
var ip = string.Empty;
try
{
currentConnection.RdpViewer.RequestControl(CTRL_LEVEL.CTRL_LEVEL_INTERACTIVE);
currentConnection.State = Utils.Models.ConnectionState.Control;
foreach (var connection in connectionsDictionary)
{
var btns = connection.Value.TabPage.Controls.OfType <Button>().ToList();
if (connection.Value.ConnectionId != btnId)
{
btns[2].Enabled = false;
btns[3].Enabled = false;
}
else
{
ip = connection.Value.ClientIP;
btn.Enabled = false;
btns[0].Enabled = false;
btns[1].Enabled = true;
btns[3].Enabled = true;
}
}
UpdateGUI.UpdateControl(txtStatus, "Text", $"Запущено управление клиентом {ip}.");
}
catch
{
MessageBox.Show($"Не удалось запустить управление клиентом {ip}.");
UpdateGUI.UpdateControl(txtStatus, "Text", $"Не удалось запустить управление клиентом {ip}.");
}
}
}
private void StartTranslationButton_Click(object sender, EventArgs e)
{
Button btn = (Button)sender;
var btnId = ParseControlId(btn.Name, "btnStartView");
if (btnId > 0)
{
var ip = connectionsDictionary.Where(c => c.Value.ConnectionId == btnId).FirstOrDefault().Value.ClientIP;
var connection = connectionsDictionary[ip];
connection.State = Utils.Models.ConnectionState.Demonstration;
var conStr = connectionsDictionary[ip].ConnectionString;
connection.RdpViewer.Connect(connection.ConnectionString, connection.AuthData.Name, connection.AuthData.Password);
btn.Enabled = false;
connection.TabPage.Controls.OfType <Button>().ToList()[1].Enabled = true;
connection.TabPage.Controls.OfType <Button>().ToList()[2].Enabled = !connection.ProhibitDemo;
connection.TabPage.Controls.OfType <Button>().ToList()[3].Enabled = false;
UpdateGUI.UpdateControl(txtStatus, "Text", "Трансляция запущена.");
}
}
private void ExecuteConnectClient(Connection connection, ICommand cmd)
{
User user = (User)cmd.GetData()[0];
string connectionString = (string)cmd.GetData()[1];
bool prohibit = (bool)cmd.GetData()[2];
connection.User = user;
connection.ProhibitDemo = prohibit;
if (!String.IsNullOrEmpty(connectionString))
{
connection.ConnectionString = connectionString;
var tab = CreateNewTab(connection.ClientIP, true, prohibit);
AxRDPViewer viewer = (AxRDPViewer)tab.Controls.Find($"rdpViewer{connectionId}", false).FirstOrDefault();
//Нужно добавить!!!
viewer.OnConnectionTerminated += (reason, info) => DeleteConnection(connection.ClientIP, false);
viewer.OnApplicationClose += (reason, info) => DeleteConnection(connection.ClientIP, false);
viewer.OnAttendeeDisconnected += (reason, info) => DeleteConnection(connection.ClientIP, false);
viewer.OnConnectionFailed += (reason, info) => DeleteConnection(connection.ClientIP, false);
if (viewer != null)
{
UpdateGUI.UpdateControl(viewer, "SmartSizing", true);
connection.RdpViewer = viewer;
connection.TabPage = tab;
}
}
else
{
var tab = CreateNewTab(connection.ClientIP, false, prohibit);
connection.TabPage = tab;
MessageBox.Show($"Не удалось получить строку подключения от клиента {connection.ClientIP}. Мониторинг невозможен.");
UpdateGUI.UpdateControl(txtStatus, "Text", $"Не удалось получить строку подключения от клиента {connection.ClientIP}.");
}
}
private void btnUpdate_Click(object sender, EventArgs e)
{
FillCheckBoxList();
UpdateGUI.UpdateControl(btnConnect, "Enabled", true);
}
