private Client()
{
NetworkComms.DisableLogging();
NetworkComms.IgnoreUnknownPacketTypes = true;
var serializer = DPSManager.GetDataSerializer <ProtobufSerializer>();
NetworkComms.DefaultSendReceiveOptions.DataProcessors.Add(
DPSManager.GetDataProcessor <RijndaelPSKEncrypter>());
NetworkComms.DefaultSendReceiveOptions = new SendReceiveOptions(serializer,
NetworkComms.DefaultSendReceiveOptions.DataProcessors, NetworkComms.DefaultSendReceiveOptions.Options);
RijndaelPSKEncrypter.AddPasswordToOptions(NetworkComms.DefaultSendReceiveOptions.Options, Utility.PSK);
NetworkComms.AppendGlobalIncomingPacketHandler <Ping>(Ping.Header, PingHandler);
NetworkComms.AppendGlobalIncomingPacketHandler <ClassInfo>(ClassInfo.Header, ClassInfoHandler);
NetworkComms.AppendGlobalIncomingPacketHandler <InstructorLogin>(InstructorLogin.Header, InstructorLoginHandler);
NetworkComms.AppendGlobalIncomingPacketHandler <ClientInfo>(ClientInfo.Header, ClientInfoHandler);
PeerDiscovery.EnableDiscoverable(PeerDiscovery.DiscoveryMethod.UDPBroadcast);
PeerDiscovery.OnPeerDiscovered += OnPeerDiscovered;
//NetworkComms.AppendGlobalIncomingPacketHandler<byte[]>("PartialFileData", IncomingPartialFileData);
//NetworkComms.AppendGlobalIncomingPacketHandler<SendInfo>("PartialFileDataInfo",
// IncomingPartialFileDataInfo);
//NetworkComms.AppendGlobalConnectionCloseHandler(OnConnectionClose);
PeerDiscovery.DiscoverPeersAsync(PeerDiscovery.DiscoveryMethod.UDPBroadcast);
}
public Server()
{
users = new Dictionary <Connection, ConnectedUser>();
authentication = new PacketHandling.Authentication(this);
addNewContact = new PacketHandling.AddNewContact(this);
addNewContactResponse = new PacketHandling.AddNewContactResponse(this);
personalUserUpdate = new PacketHandling.PersonalUserUpdate(this);
deleteAndBlockContact = new PacketHandling.DeleteAndBlockContact(this);
transferMessage = new PacketHandling.TransferMessage(this);
transferNudge = new PacketHandling.TransferNudge(this);
transferWritingStatus = new PacketHandling.TransferWritingStatus(this);
accountManager = new AccountManager();
NetworkComms.AppendGlobalConnectionCloseHandler(HandleConnectionClosed);
NetworkComms.DefaultSendReceiveOptions = new SendReceiveOptions(DPSManager.GetDataSerializer <ProtobufSerializer>(), NetworkComms.DefaultSendReceiveOptions.DataProcessors, NetworkComms.DefaultSendReceiveOptions.Options);
if (!NetworkComms.DefaultSendReceiveOptions.DataProcessors.Contains(DPSManager.GetDataProcessor <RijndaelPSKEncrypter>()))
{
RijndaelPSKEncrypter.AddPasswordToOptions(NetworkComms.DefaultSendReceiveOptions.Options, Config.Properties.SERVER_ENCRYPTION_KEY);
NetworkComms.DefaultSendReceiveOptions.DataProcessors.Add(DPSManager.GetDataProcessor <RijndaelPSKEncrypter>());
}
NetworkComms.Shutdown();
Connection.StartListening(ConnectionType.TCP, new IPEndPoint(IPAddress.Any, Config.Properties.SERVER_PORT));
foreach (IPEndPoint listenEndPoint in Connection.ExistingLocalListenEndPoints(ConnectionType.TCP))
{
Program.WriteToConsole("Local End Point: " + listenEndPoint.Address + ":" + listenEndPoint.Port);
}
BroadCastContacts(Config.Properties.BROADCAST_INTERVAL);
}
/// <summary>
/// Toggle encryption
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void UseEncryptionBox_CheckedToggle(object sender, RoutedEventArgs e)
{
if (useEncryptionBox.IsChecked != null && (bool)useEncryptionBox.IsChecked)
{
RijndaelPSKEncrypter.AddPasswordToOptions(NetworkComms.DefaultSendReceiveOptions.Options, encryptionKey);
NetworkComms.DefaultSendReceiveOptions.DataProcessors.Add(DPSManager.GetDataProcessor <RijndaelPSKEncrypter>());
}
else
{
NetworkComms.DefaultSendReceiveOptions.DataProcessors.Remove(DPSManager.GetDataProcessor <RijndaelPSKEncrypter>());
}
}
/// <summary>
/// Run example
/// </summary>
public static void RunExample()
{
//NetworkComms.PacketConfirmationTimeoutMS = 1000000;
//var processors = new List<DataProcessor> { DPSManager.GetDataProcessor<SharpZipLibCompressor.SharpZipLibGzipCompressor>(), DPSManager.GetDataProcessor<RijndaelPSKEncrypter>() };
var processors = new List <DataProcessor> {
DPSManager.GetDataProcessor <RijndaelPSKEncrypter>()
};
var dataOptions = new Dictionary <string, string>();
RijndaelPSKEncrypter.AddPasswordToOptions(dataOptions, "oj1N0bcfsjtQxfgRKT7B");
var options = new SendReceiveOptions(DPSManager.GetDataSerializer <ProtobufSerializer>(), processors, dataOptions)
{
UseNestedPacket = false
};
//Uncomment to make it work
//RijndaelPSKEncrypter.AddPasswordToOptions(NetworkComms.DefaultSendReceiveOptions.Options, "oj1N0bcfsjtQxfgRKT7B");
var points = new List <IPEndPoint>();
var localIPs = HostInfo.IP.FilteredLocalAddresses();
foreach (var ip in localIPs)
{
var listener = new TCPConnectionListener(options, ApplicationLayerProtocolStatus.Enabled);
listener.AppendIncomingPacketHandler <string>("Kill all humans",
(header, con, customObject) =>
{
Console.WriteLine("\nReceived custom protobuf object from " + con);
}, options);
Connection.StartListening(listener, new IPEndPoint(ip, 0));
points.Add(listener.LocalListenEndPoint as IPEndPoint);
}
Console.WriteLine("Listening on:");
foreach (var endpoint in points)
{
Console.WriteLine("{0}:{1}", endpoint.Address.ToString(), endpoint.Port.ToString());
}
var point = points.First();
//IPEndPoint point = IPTools.ParseEndPointFromString("::1:46112");
var connectionInfo = new ConnectionInfo(point);
var connection = TCPConnection.GetConnection(connectionInfo);
options.ReceiveConfirmationRequired = true;
connection.SendObject("Kill all humans", "Bite my shiny metal ass", options);
Console.ReadLine();
}
private Server()
{
var serializer = DPSManager.GetDataSerializer <ProtobufSerializer>();
NetworkComms.DefaultSendReceiveOptions.DataProcessors.Add(
DPSManager.GetDataProcessor <RijndaelPSKEncrypter>());
NetworkComms.DefaultSendReceiveOptions = new SendReceiveOptions(serializer,
NetworkComms.DefaultSendReceiveOptions.DataProcessors, NetworkComms.DefaultSendReceiveOptions.Options);
RijndaelPSKEncrypter.AddPasswordToOptions(NetworkComms.DefaultSendReceiveOptions.Options, Utility.PSK);
NetworkComms.DisableLogging();
NetworkComms.AppendGlobalIncomingPacketHandler <LogonInfo>(LogonInfo.Header, LogonInfoHandler);
NetworkComms.AppendGlobalIncomingPacketHandler <Login>(Login.Header, LoginHandler);
NetworkComms.AppendGlobalIncomingPacketHandler <Pong>(Pong.Header, PongHandler);
PeerDiscovery.EnableDiscoverable(PeerDiscovery.DiscoveryMethod.UDPBroadcast);
}
public static void Load(MainWindow mainWindow)
{
authentication = new Authentication(mainWindow);
receiveContact = new ReceiveContact(mainWindow);
receiveMessage = new ReceiveMessage(mainWindow);
receiveNudge = new ReceiveNudge(mainWindow);
receiveFriendRequest = new ReceiveFriendRequest(mainWindow);
personalUserUpdate = new PersonalUserUpdate(mainWindow);
receiveContactDelete = new ReceiveContactDelete(mainWindow);
connectionedClosed = new ConnectionClosed(mainWindow);
receiveWritingStatus = new ReceiveWritingStatus(mainWindow);
Personal.USER_CONTACTS = new List <UserInfo>();
Personal.USER_INFO = null;
Personal.OPEN_CHAT_WINDOWS = new List <ChatWindow>();
NetworkComms.DefaultSendReceiveOptions = new SendReceiveOptions(DPSManager.GetDataSerializer <ProtobufSerializer>(),
NetworkComms.DefaultSendReceiveOptions.DataProcessors, NetworkComms.DefaultSendReceiveOptions.Options);
RijndaelPSKEncrypter.AddPasswordToOptions(NetworkComms.DefaultSendReceiveOptions.Options, Config.Properties.SERVER_ENCRYPTION_KEY);
NetworkComms.DefaultSendReceiveOptions.DataProcessors.Add(DPSManager.GetDataProcessor <RijndaelPSKEncrypter>());
}
/// <summary>
/// Updates the configuration of this instance depending on set fields
/// </summary>
public void RefreshNetworkCommsConfiguration()
{
#region First Initialisation
//On first initialisation we need to configure NetworkComms.Net to handle our incoming packet types
//We only need to add the packet handlers once. If we call NetworkComms.Shutdown() at some future point these are not removed.
if (FirstInitialisation)
{
FirstInitialisation = false;
//Configure NetworkComms.Net to handle any incoming packet of type 'ChatMessage'
//e.g. If we receive a packet of type 'ChatMessage' execute the method 'HandleIncomingChatMessage'
NetworkComms.AppendGlobalIncomingPacketHandler <ChatMessage>("ChatMessage", HandleIncomingChatMessage);
//Configure NetworkComms.Net to perform some action when a connection is closed
//e.g. When a connection is closed execute the method 'HandleConnectionClosed'
NetworkComms.AppendGlobalConnectionCloseHandler(HandleConnectionClosed);
}
#endregion
#region Set serializer
//Set the default send recieve options to use the specified serializer. Keep the DataProcessors and Options from the previous defaults
NetworkComms.DefaultSendReceiveOptions = new SendReceiveOptions(Serializer, NetworkComms.DefaultSendReceiveOptions.DataProcessors, NetworkComms.DefaultSendReceiveOptions.Options);
#endregion
#region Optional Encryption
//Configure encryption if requested
if (EncryptionEnabled && !NetworkComms.DefaultSendReceiveOptions.DataProcessors.Contains(DPSManager.GetDataProcessor <RijndaelPSKEncrypter>()))
{
//Encryption is currently implemented using a pre-shared key (PSK) system
//NetworkComms.Net supports multiple data processors which can be used with any level of granularity
//To enable encryption globally (i.e. for all connections) we first add the encryption password as an option
RijndaelPSKEncrypter.AddPasswordToOptions(NetworkComms.DefaultSendReceiveOptions.Options, _encryptionKey);
//Finally we add the RijndaelPSKEncrypter data processor to the sendReceiveOptions
NetworkComms.DefaultSendReceiveOptions.DataProcessors.Add(DPSManager.GetDataProcessor <RijndaelPSKEncrypter>());
}
else if (!EncryptionEnabled && NetworkComms.DefaultSendReceiveOptions.DataProcessors.Contains(DPSManager.GetDataProcessor <RijndaelPSKEncrypter>()))
{
//If encryption has been disabled but is currently enabled
//To disable encryption we just remove the RijndaelPSKEncrypter data processor from the sendReceiveOptions
NetworkComms.DefaultSendReceiveOptions.DataProcessors.Remove(DPSManager.GetDataProcessor <RijndaelPSKEncrypter>());
}
#endregion
#region Local Server Mode and Connection Type Changes
if (LocalServerEnabled && ConnectionType == ConnectionType.TCP && !Connection.Listening(ConnectionType.TCP))
{
//If we were previously listening for UDP we first shutdown NetworkComms.Net.
if (Connection.Listening(ConnectionType.UDP))
{
AppendLineToChatHistory("Connection mode has been changed. Any existing connections will be closed.");
NetworkComms.Shutdown();
}
else
{
AppendLineToChatHistory("Enabling local server mode. Any existing connections will be closed.");
NetworkComms.Shutdown();
}
//Start listening for new incoming TCP connections
//We want to select a random port on all available adaptors so provide
//an IPEndPoint using IPAddress.Any and port 0.
Connection.StartListening(ConnectionType.TCP, new IPEndPoint(IPAddress.Any, 0));
//Write the IP addresses and ports that we are listening on to the chatBox
AppendLineToChatHistory("Listening for incoming TCP connections on:");
foreach (IPEndPoint listenEndPoint in Connection.ExistingLocalListenEndPoints(ConnectionType.TCP))
{
AppendLineToChatHistory(listenEndPoint.Address + ":" + listenEndPoint.Port);
}
//Add a blank line after the initialisation output
AppendLineToChatHistory(System.Environment.NewLine);
}
else if (LocalServerEnabled && ConnectionType == ConnectionType.UDP && !Connection.Listening(ConnectionType.UDP))
{
//If we were previously listening for TCP we first shutdown NetworkComms.Net.
if (Connection.Listening(ConnectionType.TCP))
{
AppendLineToChatHistory("Connection mode has been changed. Any existing connections will be closed.");
NetworkComms.Shutdown();
}
else
{
AppendLineToChatHistory("Enabling local server mode. Any existing connections will be closed.");
NetworkComms.Shutdown();
}
//Start listening for new incoming UDP connections
//We want to select a random port on all available adaptors so provide
//an IPEndPoint using IPAddress.Any and port 0.
Connection.StartListening(ConnectionType.UDP, new IPEndPoint(IPAddress.Any, 0));
//Write the IP addresses and ports that we are listening on to the chatBox
AppendLineToChatHistory("Listening for incoming UDP connections on:");
foreach (IPEndPoint listenEndPoint in Connection.ExistingLocalListenEndPoints(ConnectionType.UDP))
{
AppendLineToChatHistory(listenEndPoint.Address + ":" + listenEndPoint.Port);
}
//Add a blank line after the initialisation output
AppendLineToChatHistory(System.Environment.NewLine);
}
else if (!LocalServerEnabled && (Connection.Listening(ConnectionType.TCP) || Connection.Listening(ConnectionType.UDP)))
{
//If the local server mode has been disabled but we are still listening we need to stop accepting incoming connections
NetworkComms.Shutdown();
AppendLineToChatHistory("Local server mode disabled. Any existing connections will be closed.");
AppendLineToChatHistory(System.Environment.NewLine);
}
else if (!LocalServerEnabled &&
((ConnectionType == ConnectionType.UDP && NetworkComms.GetExistingConnection(ConnectionType.TCP).Count > 0) ||
(ConnectionType == ConnectionType.TCP && NetworkComms.GetExistingConnection(ConnectionType.UDP).Count > 0)))
{
//If we are not running a local server but have changed the connection type after creating connections we need to close
//existing connections.
NetworkComms.Shutdown();
AppendLineToChatHistory("Connection mode has been changed. Existing connections will be closed.");
AppendLineToChatHistory(System.Environment.NewLine);
}
#endregion
}
/// <summary>
/// Allows to choose different compressors
/// </summary>
private static void SelectDataProcessors(out List <DataProcessor> dataProcessors, out Dictionary <string, string> dataProcessorOptions)
{
dataProcessors = new List <DataProcessor>();
dataProcessorOptions = new Dictionary <string, string>();
#region Possible Compressor
Console.WriteLine("Would you like to include data compression?\n1 - No\n2 - Yes\n");
int includeCompression;
while (true)
{
bool parseSucces = int.TryParse(Console.ReadKey(true).KeyChar.ToString(), out includeCompression);
if (parseSucces && includeCompression <= 2 && includeCompression > 0)
{
break;
}
Console.WriteLine("Invalid choice. Please try again.");
}
if (includeCompression == 2)
{
Console.WriteLine("Please select a compressor:\n1 - LZMA (Slow Speed, Best Compression)\n2 - GZip (Good Speed, Good Compression)\n3 - QuickLZ (Best Speed, Basic Compression)\n");
int selectedCompressor;
while (true)
{
bool parseSucces = int.TryParse(Console.ReadKey(true).KeyChar.ToString(), out selectedCompressor);
if (parseSucces && selectedCompressor <= 3 && selectedCompressor > 0)
{
break;
}
Console.WriteLine("Invalid compressor choice. Please try again.");
}
if (selectedCompressor == 1)
{
Console.WriteLine(" ... selected LZMA compressor.\n");
dataProcessors.Add(DPSManager.GetDataProcessor <NetworkCommsDotNet.DPSBase.SevenZipLZMACompressor.LZMACompressor>());
}
else if (selectedCompressor == 2)
{
Console.WriteLine(" ... selected GZip compressor.\n");
dataProcessors.Add(DPSManager.GetDataProcessor <SharpZipLibCompressor.SharpZipLibGzipCompressor>());
}
else if (selectedCompressor == 3)
{
Console.WriteLine(" ... selected QuickLZ compressor.\n");
dataProcessors.Add(DPSManager.GetDataProcessor <QuickLZCompressor.QuickLZ>());
}
else
{
throw new Exception("Unable to determine selected compressor.");
}
}
#endregion
#region Possible Encryption
Console.WriteLine("Would you like to include data encryption?\n1 - No\n2 - Yes\n");
int includeEncryption;
while (true)
{
bool parseSucces = int.TryParse(Console.ReadKey(true).KeyChar.ToString(), out includeEncryption);
if (parseSucces && includeEncryption <= 2 && includeEncryption > 0)
{
break;
}
Console.WriteLine("Invalid choice. Please try again.");
}
if (includeEncryption == 2)
{
Console.Write("Please enter an encryption password and press enter: ");
string password = Console.ReadLine();
Console.WriteLine();
//Use the nested packet feature so that we do not expose the packet type used.
NetworkComms.DefaultSendReceiveOptions.UseNestedPacket = true;
RijndaelPSKEncrypter.AddPasswordToOptions(dataProcessorOptions, password);
dataProcessors.Add(DPSManager.GetDataProcessor <RijndaelPSKEncrypter>());
}
#endregion
}
public static void RunExample()
{
NetworkComms.ConnectionEstablishTimeoutMS = 600000;
IPAddress localIPAddress = IPAddress.Parse("::1");
Console.WriteLine("Please select mode:");
Console.WriteLine("1 - Server (Listens for connections)");
Console.WriteLine("2 - Client (Creates connections to server)");
//Read in user choice
if (Console.ReadKey(true).Key == ConsoleKey.D1)
{
serverMode = true;
}
else
{
serverMode = false;
}
if (serverMode)
{
NetworkComms.PacketHandlerCallBackDelegate <byte[]> callback = (header, connection, data) =>
{
if (data == null)
{
Console.WriteLine("Received null array from " + connection.ToString());
}
else
{
Console.WriteLine("Received data (" + data + ") from " + connection.ToString());
}
};
//NetworkComms.AppendGlobalIncomingPacketHandler("Data", callback);
NetworkComms.DefaultSendReceiveOptions.DataProcessors.Add(DPSManager.GetDataProcessor <RijndaelPSKEncrypter>());
RijndaelPSKEncrypter.AddPasswordToOptions(NetworkComms.DefaultSendReceiveOptions.Options, "somePassword!!");
ConnectionListenerBase listener = new TCPConnectionListener(NetworkComms.DefaultSendReceiveOptions, ApplicationLayerProtocolStatus.Enabled);
listener.AppendIncomingPacketHandler("Data", callback);
Connection.StartListening(listener, new IPEndPoint(localIPAddress, 10000), true);
Console.WriteLine("\nListening for UDP messages on:");
foreach (IPEndPoint localEndPoint in Connection.ExistingLocalListenEndPoints(ConnectionType.UDP))
{
Console.WriteLine("{0}:{1}", localEndPoint.Address, localEndPoint.Port);
}
Console.WriteLine("\nPress any key to quit.");
ConsoleKeyInfo key = Console.ReadKey(true);
}
else
{
ConnectionInfo serverInfo = new ConnectionInfo(new IPEndPoint(localIPAddress, 10000));
SendReceiveOptions customOptions = (SendReceiveOptions)NetworkComms.DefaultSendReceiveOptions.Clone();
//customOptions.DataProcessors.Add(DPSManager.GetDataProcessor<RijndaelPSKEncrypter>());
//RijndaelPSKEncrypter.AddPasswordToOptions(customOptions.Options, "somePassword!!");
customOptions.DataProcessors.Add(DPSManager.GetDataProcessor <SharpZipLibCompressor.SharpZipLibGzipCompressor>());
//customOptions.DataProcessors.Add(DPSManager.GetDataProcessor<DataPadder>());
//DataPadder.AddPaddingOptions(customOptions.Options, 10240, DataPadder.DataPaddingType.Random, false);
//customOptions.UseNestedPacket = true;
Connection conn = TCPConnection.GetConnection(serverInfo, customOptions);
sendArray = null;
conn.SendObject("Data", sendArray);
Console.WriteLine("Sent data to server.");
Console.WriteLine("\nClient complete. Press any key to quit.");
Console.ReadKey(true);
}
}
