/// <summary>
/// Display connection prompt and connect to master
/// </summary>
private void ConnectToMaster()
{
try
{
//show dialog box to input server address
var dialog = new Connect(address);
if (dialog.ShowDialog() != true)
{
dialog.Close();
}
else
{
address = dialog.ResponseText;
if (address == "")
{
address = "localhost:50002/ATCMaster";
}
//connect to the server
DuplexChannelFactory<IATCMasterController> IATCMasterFactory;
NetTcpBinding tcpBinding = new NetTcpBinding();
tcpBinding.MaxReceivedMessageSize = System.Int32.MaxValue;
tcpBinding.ReaderQuotas.MaxArrayLength = System.Int32.MaxValue;
string sURL = "net.tcp://" + address;
IATCMasterFactory = new DuplexChannelFactory<IATCMasterController>(this, tcpBinding, sURL);
m_ATCMaster = IATCMasterFactory.CreateChannel();
//get the current state of the airports
m_airports = m_ATCMaster.GetAirportData();
//add airports to the airport listbox
listBoxAirports.Items.Clear();
foreach (Airport airport in m_airports)
{
ListBoxItem lbItem = new ListBoxItem();
lbItem.Content = airport.name;
listBoxAirports.Items.Add(lbItem);
}
//select the first airport
listBoxAirports.SelectedIndex = 0;
//refresh the lists
this.Refresh();
}
} //Exceptions: displays the message then prompts again for a server
catch (EndpointNotFoundException exception)
{
MessageBox.Show("Unable to connect!\n\n" + exception.Message);
ConnectToMaster();
}
catch (NullReferenceException exception)
{
MessageBox.Show("Server is not in a state to accept clients - check to see if all your slaves are connected!\n\n" + exception.Message);
ConnectToMaster();
}
catch (TimeoutException exception)
{
MessageBox.Show("Server timed out. Try to fix the problem then reconnect.\n\n" + exception.Message);
ConnectToMaster();
}
catch (CommunicationException exception)
{
MessageBox.Show("Communication Exception - try restarting the Master/Slaves\n\n" + exception.Message);
ConnectToMaster();
}
catch (Exception exception)
{
MessageBox.Show(exception.Message);
Application.Current.Shutdown();
}
}
/// <summary>
/// Connects to the Master server and initialises the slave, getting back the allocated airport
/// </summary>
private void Initialise()
{
try
{
//connect to the server
DuplexChannelFactory<IATCMasterController> IATCMasterFactory;
NetTcpBinding tcpBinding = new NetTcpBinding();
tcpBinding.MaxReceivedMessageSize = System.Int32.MaxValue;
tcpBinding.ReaderQuotas.MaxArrayLength = System.Int32.MaxValue;
string sURL = "net.tcp://" + address;
IATCMasterFactory = new DuplexChannelFactory<IATCMasterController>(this, tcpBinding, sURL);
m_ATCMaster = IATCMasterFactory.CreateChannel();
//add callback to Master and get allocated airport
m_Airport = m_ATCMaster.InitialiseSlave();
//set simulation time to 0
m_SimTime = 0;
//display the allocated airport (for debug purposes)
System.Console.WriteLine(m_Airport.name);
}
catch (EndpointNotFoundException exception)
{
//if you get one of these four exceptions, print the error and try again, asking for a new address
System.Console.WriteLine("Server connection failed\n\n" + exception.Message + "\n\nInput Server Address (leave blank for localhost:50002/ATCMaster)");
address = System.Console.ReadLine();
if (address == "")
{
address = "localhost:50002/ATCMaster";
}
Initialise();
}
catch (CommunicationObjectFaultedException exception)
{
System.Console.WriteLine("Server connection failed\n\n" + exception.Message + "\n\nInput Server Address (leave blank for localhost:50002/ATCMaster)");
address = System.Console.ReadLine();
if (address == "")
{
address = "localhost:50002/ATCMaster";
}
Initialise();
}
catch (CommunicationObjectAbortedException exception)
{
System.Console.WriteLine("Server connection failed\n\n" + exception.Message + "\n\nInput Server Address (leave blank for localhost:50002/ATCMaster)");
address = System.Console.ReadLine();
if (address == "")
{
address = "localhost:50002/ATCMaster";
}
Initialise();
}
catch (NullReferenceException exception)
{
//usually this exception happens when there is four slaves connected and the master rejects the InitialiseSlave call
System.Console.WriteLine("Server connection failed - Maybe there are already the max slaves connected?\n\n" + exception.Message + "\n\nInput Server Address (leave blank for localhost:50002/ATCMaster)");
address = System.Console.ReadLine();
if (address == "")
{
address = "localhost:50002/ATCMaster";
}
Initialise();
}
}
/// <summary>
/// Display connection prompt and connect to master
/// </summary>
private void ConnectToMaster()
{
try
{
//show dialog box to input server address
var dialog = new Connect(address);
if (dialog.ShowDialog() != true)
{
dialog.Close();
}
else
{
address = dialog.ResponseText;
if (address == "")
{
address = "localhost:50002/ATCMaster";
}
//connect to the server
DuplexChannelFactory <IATCMasterController> IATCMasterFactory;
NetTcpBinding tcpBinding = new NetTcpBinding();
tcpBinding.MaxReceivedMessageSize = System.Int32.MaxValue;
tcpBinding.ReaderQuotas.MaxArrayLength = System.Int32.MaxValue;
string sURL = "net.tcp://" + address;
IATCMasterFactory = new DuplexChannelFactory <IATCMasterController>(this, tcpBinding, sURL);
m_ATCMaster = IATCMasterFactory.CreateChannel();
//get the current state of the airports
m_airports = m_ATCMaster.GetAirportData();
//add airports to the airport listbox
listBoxAirports.Items.Clear();
foreach (Airport airport in m_airports)
{
ListBoxItem lbItem = new ListBoxItem();
lbItem.Content = airport.name;
listBoxAirports.Items.Add(lbItem);
}
//select the first airport
listBoxAirports.SelectedIndex = 0;
//refresh the lists
this.Refresh();
}
} //Exceptions: displays the message then prompts again for a server
catch (EndpointNotFoundException exception)
{
MessageBox.Show("Unable to connect!\n\n" + exception.Message);
ConnectToMaster();
}
catch (NullReferenceException exception)
{
MessageBox.Show("Server is not in a state to accept clients - check to see if all your slaves are connected!\n\n" + exception.Message);
ConnectToMaster();
}
catch (TimeoutException exception)
{
MessageBox.Show("Server timed out. Try to fix the problem then reconnect.\n\n" + exception.Message);
ConnectToMaster();
}
catch (CommunicationException exception)
{
MessageBox.Show("Communication Exception - try restarting the Master/Slaves\n\n" + exception.Message);
ConnectToMaster();
}
catch (Exception exception)
{
MessageBox.Show(exception.Message);
Application.Current.Shutdown();
}
}
/// <summary>
/// Connects to the Master server and initialises the slave, getting back the allocated airport
/// </summary>
private void Initialise()
{
try
{
//connect to the server
DuplexChannelFactory <IATCMasterController> IATCMasterFactory;
NetTcpBinding tcpBinding = new NetTcpBinding();
tcpBinding.MaxReceivedMessageSize = System.Int32.MaxValue;
tcpBinding.ReaderQuotas.MaxArrayLength = System.Int32.MaxValue;
string sURL = "net.tcp://" + address;
IATCMasterFactory = new DuplexChannelFactory <IATCMasterController>(this, tcpBinding, sURL);
m_ATCMaster = IATCMasterFactory.CreateChannel();
//add callback to Master and get allocated airport
m_Airport = m_ATCMaster.InitialiseSlave();
//set simulation time to 0
m_SimTime = 0;
//display the allocated airport (for debug purposes)
System.Console.WriteLine(m_Airport.name);
}
catch (EndpointNotFoundException exception)
{
//if you get one of these four exceptions, print the error and try again, asking for a new address
System.Console.WriteLine("Server connection failed\n\n" + exception.Message + "\n\nInput Server Address (leave blank for localhost:50002/ATCMaster)");
address = System.Console.ReadLine();
if (address == "")
{
address = "localhost:50002/ATCMaster";
}
Initialise();
}
catch (CommunicationObjectFaultedException exception)
{
System.Console.WriteLine("Server connection failed\n\n" + exception.Message + "\n\nInput Server Address (leave blank for localhost:50002/ATCMaster)");
address = System.Console.ReadLine();
if (address == "")
{
address = "localhost:50002/ATCMaster";
}
Initialise();
}
catch (CommunicationObjectAbortedException exception)
{
System.Console.WriteLine("Server connection failed\n\n" + exception.Message + "\n\nInput Server Address (leave blank for localhost:50002/ATCMaster)");
address = System.Console.ReadLine();
if (address == "")
{
address = "localhost:50002/ATCMaster";
}
Initialise();
}
catch (NullReferenceException exception)
{
//usually this exception happens when there is four slaves connected and the master rejects the InitialiseSlave call
System.Console.WriteLine("Server connection failed - Maybe there are already the max slaves connected?\n\n" + exception.Message + "\n\nInput Server Address (leave blank for localhost:50002/ATCMaster)");
address = System.Console.ReadLine();
if (address == "")
{
address = "localhost:50002/ATCMaster";
}
Initialise();
}
}
