public void send(ControlPacket packet)
{
//ControlPacket packet = new ControlPacket(ControlInterface.CALL_REQUEST, 0, resourceIdentifier);
string data = JMessage.Serialize(JMessage.FromValue(packet));
writer.Write(data);
}
public void SendMessage(Socket handler, string rec, Header type, RSAParameters key)
{
switch (type)
{
case Header.Login:
JMessage jmess = JMessage.Deserialize(rec);
KeyValuePair <string, string> kv = jmess.ToValue <KeyValuePair <string, string> >();
string answ = ResolveLogin(kv.Key, kv.Value);
Send(handler, answ, key);
break;
case Header.Message:
jmess = JMessage.Deserialize(rec);
//Console.WriteLine(Convert.FromBase64String(rec));
Message message = jmess.ToValue <Message>();
ServerApp.Messages.AddMessage(message);
Send(handler, JMessage.Serialize(JMessage.FromValue <IList <CommonApp.Model.Message> >(ServerApp.Messages.GetMessagesOfUser(message.UserNameFrom), Header.Message)), key);
break;
case Header.Messages:
string user = JMessage.Deserialize(rec).ToValue <string>();
Send(handler, JMessage.Serialize(JMessage.FromValue <IList <CommonApp.Model.Message> >(ServerApp.Messages.GetMessagesOfUser(user), Header.Messages)), key);
break;
case Header.Users:
jmess = JMessage.FromValue <Dictionary <string, string> >(ServerApp.Users.UsersDict, Header.Users);
Send(handler, JMessage.Serialize(jmess), key);
break;
}
}
public byte[] EncryptMessage(string msg, Header type)
{
KeyValuePair <string, string> messageAnduser = new KeyValuePair <string, string>(Username, msg);
JMessage jmess = JMessage.FromValue <KeyValuePair <string, string> >(messageAnduser, type);
string serialize = JMessage.Serialize(jmess);
byte[] msgbytes = Encoding.Unicode.GetBytes(serialize);
return(CommonApp.RSAClass.RSAEncrypt(msgbytes, ServerPublicKey, false));
}
public void SendKey(Socket handler)
{
//Console.WriteLine("Key {0} ", Convert.ToBase64String(rijndael.Key));
string json = JMessage.Serialize(JMessage.FromValue <RSAParameters>(_RSA.ExportParameters(false), Header.ExchangePKs));
Console.WriteLine(json);
handler.Send(Encoding.ASCII.GetBytes(json));
}
public void SendUnencrypted(Socket handler, string rec)
{
JMessage des = JMessage.Deserialize(rec);
KeyValuePair <string, RSAParameters> kv2 = des.ToValue <KeyValuePair <string, RSAParameters> >();
ServerApp.Users.SetUserKey(kv2.Key, kv2.Value);
JMessage jmess;
jmess = JMessage.FromValue <RSAParameters>(_RSA.ExportParameters(false), Header.ExchangePKs);
handler.Send(Encoding.ASCII.GetBytes(JMessage.Serialize(jmess)));
}
public void SendKeyAndArray(Socket handler)
{
Console.WriteLine("Key {0} ", Convert.ToBase64String(_rijndael.Key));
Console.WriteLine("IV {0} ", Convert.ToBase64String(_rijndael.IV));
KeyValuePair <byte[], byte[]> msg = new KeyValuePair <byte[], byte[]>(_rijndael.Key, _rijndael.IV);
string json = JMessage.Serialize(JMessage.FromValue <KeyValuePair <byte[], byte[]> >(msg, Header.Handshake));
Console.WriteLine(json);
handler.Send(Encoding.ASCII.GetBytes(json));
}
internal override byte[] EncryptMessage(string serialized, Header type)
{
//Add a new layer of information: the username for each message so that the server can identify the sender
KeyValuePair <string, string> messageAnduser = new KeyValuePair <string, string>(_username, serialized);
JMessage jmess = JMessage.FromValue <KeyValuePair <string, string> >(messageAnduser, type);
string serialize = JMessage.Serialize(jmess);
byte[] msgbytes = Encoding.Unicode.GetBytes(serialize);
return(CommonApp.RSAClass.RSAEncrypt(msgbytes, ServerPublicKey, false));
}
public static void sendTopologyInit(string ip)
{
NetNode.log(DateTime.Now.ToLongTimeString() + " [LRM -> RC] inittopology: " + ip, ConsoleColor.Yellow);
RCtoLRMSignallingMessage protocol = new RCtoLRMSignallingMessage();
protocol.State = RCtoLRMSignallingMessage.LRM_INIT;
protocol.NodeName = ip;
String send_object = JMessage.Serialize(JMessage.FromValue(protocol));
writer.Write(send_object);
}
public static void sendDeletedCC(string from, int port, string to)
{
string toSend = port.ToString() + " " + to;
NetNode.log(DateTime.Now.ToLongTimeString() + " [node -> CC] info about deletion: " + toSend, ConsoleColor.Yellow);
CCtoCCSignallingMessage protocol = new CCtoCCSignallingMessage();
protocol.State = CCtoCCSignallingMessage.RE_ROUTE_QUERY;
String send_object = JMessage.Serialize(JMessage.FromValue(protocol));
writer.Write(send_object);
}
public static void sendDeleted(string from, int port, string to)
{
string toSend = port.ToString() + " " + to;
NetNode.log(DateTime.Now.ToLongTimeString() + " [LRM -> RC] info about deletion: " + toSend, ConsoleColor.Yellow);
RCtoLRMSignallingMessage protocol = new RCtoLRMSignallingMessage();
protocol.State = RCtoLRMSignallingMessage.LRM_TOPOLOGY_DELETE;
//protocol.ConnectedNodePort = port;
protocol.ConnectedNode = to;
String send_object = JMessage.Serialize(JMessage.FromValue(protocol));
writer.Write(send_object);
}
public static void sendTopologyDeallocated(int port, int no_vc3)
{
string to;
LRM.connections.TryGetValue(port, out to);
NetNode.log(DateTime.Now.ToLongTimeString() + " [LRM -> RC] topology deallocated: " + to + " " + no_vc3, ConsoleColor.Red);
RCtoLRMSignallingMessage protocol = new RCtoLRMSignallingMessage();
protocol.State = RCtoLRMSignallingMessage.LRM_TOPOLOGY_DEALLOCATED;
protocol.ConnectedNode = to;
protocol.AllocatedSlot = no_vc3;
String send_object = JMessage.Serialize(JMessage.FromValue(protocol));
writer.Write(send_object);
}
public static void sendConfirmation(int port, int no_vc3, bool flag)
{
CCtoCCSignallingMessage protocol = new CCtoCCSignallingMessage();
if (flag == true)
{
protocol.State = CCtoCCSignallingMessage.CC_LOW_CONFIRM;
NetNode.log(DateTime.Now.ToLongTimeString() + " [node -> CC] CONFIRM", ConsoleColor.Green);
}
else
{
protocol.State = CCtoCCSignallingMessage.CC_LOW_REJECT;
NetNode.log(DateTime.Now.ToLongTimeString() + " [node -> CC] REJECT", ConsoleColor.Red);
}
String send_object = JMessage.Serialize(JMessage.FromValue(protocol));
writer.Write(send_object);
}
private void UpdateTween(object sender, EventArgs e)
{
Tween tween = new Tween();
try
{
tween.Duration = float.Parse(durationField.Text);
tween.EasingType = (EasingType)Enum.Parse(typeof(EasingType), easeTypeField.Text);
string tweenData = JMessage.Serialize(JMessage.FromValue(tween));
byte[] msg = Encoding.ASCII.GetBytes(tweenData);
ClientSocket.Socket.Send(msg);
}
catch
{
MessageBox.Show("Could not update tween. Make sure all fields are filled out.");
}
}
public string SendAndReceiveMessage <T>(T obj, Header type = Header.Unspecified)
{
byte[] bytes = new byte[1024];
try
{
// Establish the remote endpoint for the socket.
// This example uses port 11000 on the local computer.
IPHostEntry ipHostInfo = Dns.GetHostEntry(Dns.GetHostName());
IPAddress ipAddress = ipHostInfo.AddressList[0];
IPEndPoint remoteEP = new IPEndPoint(ipAddress, 11000);
// Create a TCP/IP socket.
Socket sender = new Socket(ipAddress.AddressFamily,
SocketType.Stream, ProtocolType.Tcp);
// Connect the socket to the remote endpoint. Catch any errors.
try
{
sender.Connect(remoteEP);
Console.WriteLine("Socket connected to {0}",
sender.RemoteEndPoint.ToString());
JMessage msg = JMessage.FromValue <T>(obj, type);
string serialized = JMessage.Serialize(msg);
//byte[] send = Encoding.ASCII.GetBytes(serialized);
// Send the data through the socket.
int bytesSent, bytesRec;
string received;
if (type == Header.Handshake)
{
bytesSent = sender.Send(Encoding.ASCII.GetBytes(serialized));
bytesRec = sender.Receive(bytes);
received = Encoding.ASCII.GetString(bytes);
var cleaned = received.Replace("\0", string.Empty);
Console.WriteLine("Echoed = {0}", cleaned);
received = cleaned;
}
else
{
Console.WriteLine("Going to send {0}", Convert.ToBase64String(EncryptMessage(serialized)));
bytesSent = sender.Send(EncryptMessage(serialized));
Console.WriteLine("Sent data");
bytesRec = sender.Receive(bytes);
Console.WriteLine("Received data");
CommonApp.RijndaelClass.TruncateBytesArray(ref bytes);
Console.WriteLine("Received, truncated and got {0}", Convert.ToBase64String(bytes));
received = DecryptMessage(Convert.ToBase64String(bytes));
Console.WriteLine("Decrypted message and got {0}", received);
received = received.TrimEnd('\0');
Console.WriteLine("Trimmed {0}", received);
}
sender.Close();
return(received);
}
catch (ArgumentNullException ane)
{
Console.WriteLine("ArgumentNullException : {0}", ane.ToString());
}
catch (SocketException se)
{
Console.WriteLine("SocketException : {0}", se.ToString());
}
catch (Exception e)
{
Console.WriteLine("Unexpected exception : {0}", e.ToString());
}
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
return(null);
}
private void Listen()
{
TcpClient clienttmp = new TcpClient("127.0.0.1", this.port);
BinaryReader reader = new BinaryReader(clienttmp.GetStream());
BinaryWriter writer = new BinaryWriter(clienttmp.GetStream());
try
{
while (true)
{
string received_data = reader.ReadString();
JSON received_object = JSON.Deserialize(received_data);
ManagmentProtocol received_Protocol = received_object.Value.ToObject <ManagmentProtocol>();
if (received_Protocol.State == ManagmentProtocol.WHOIS)
{
NetNode.log(DateTime.Now.ToLongTimeString() + " [Management]" + " receiving: receivedWhoIs", ConsoleColor.Blue);
//send name to management
ManagmentProtocol protocol = new ManagmentProtocol();
protocol.Name = this.virtualIp;
String send_object = JMessage.Serialize(JMessage.FromValue(protocol));
writer.Write(send_object);
NetNode.log(DateTime.Now.ToLongTimeString() + " [Management]" + " sending: " + protocol.Name, ConsoleColor.Blue);
}
else if (received_Protocol.State == ManagmentProtocol.ROUTINGTABLES)
{
NetNode.log(DateTime.Now.ToLongTimeString() + " [Management]" + " receiving: receivedroutingtable", ConsoleColor.Blue);
//receiving fibs
if (received_Protocol.RoutingTable != null)
{
foreach (var fib in received_Protocol.RoutingTable)
{
SwitchingField.addToSwitch(fib);
//adding fib for two-way communication
SwitchingField.addToSwitch(new FIB(fib.oport, fib.out_cont, fib.iport, fib.in_cont));
}
}
}
else if (received_Protocol.State == ManagmentProtocol.ROUTINGENTRY)
{
NetNode.log(DateTime.Now.ToLongTimeString() + " [Management]" + " receiving: receivedroutingentry", ConsoleColor.Blue);
//receiving fibs
if (received_Protocol.RoutingEntry != null)
{
SwitchingField.addToSwitch(received_Protocol.RoutingEntry);
//adding fib for two-way communication
SwitchingField.addToSwitch(new FIB(received_Protocol.RoutingEntry.oport, received_Protocol.RoutingEntry.out_cont,
received_Protocol.RoutingEntry.iport, received_Protocol.RoutingEntry.in_cont));
}
}
else if (received_Protocol.State == ManagmentProtocol.INTERFACEINFORMATION)
{
NetNode.log(DateTime.Now.ToLongTimeString() + " [Management]" + " receiving: iterfaceinformation", ConsoleColor.Blue);
//send dictionary from LRM to management
ManagmentProtocol protocol = new ManagmentProtocol();
protocol.State = ManagmentProtocol.INTERFACEINFORMATION;
protocol.Interfaces = LRM.getConn();
String send_object = JMessage.Serialize(JMessage.FromValue(protocol));
writer.Write(send_object);
}
else if (received_Protocol.State == ManagmentProtocol.GETTABLE)
{
NetNode.log(DateTime.Now.ToLongTimeString() + " [Management]" + " receiving: getTable", ConsoleColor.Blue);
//send dictionary from LRM to management
ManagmentProtocol protocol = new ManagmentProtocol();
protocol.State = ManagmentProtocol.GETTABLE;
protocol.RoutingTable = SwitchingField.fib;
String send_object = JMessage.Serialize(JMessage.FromValue(protocol));
writer.Write(send_object);
}
else
{
NetNode.log("[Management] undefined protocol", ConsoleColor.Red);
}
}
}
catch (Exception e)
{
NetNode.log("\nError sending signal: " + e.Message, ConsoleColor.Red);
Thread.Sleep(2000);
Environment.Exit(1);
}
}
public void sendCCRequest(CCtoNCCSingallingMessage packet)
{
string data = JMessage.Serialize(JMessage.FromValue(packet));
writer.Write(data);
}
private void commutation()
{
while (flag)
{
int opt = commOption();
foreach (IPort iport in this.ports.iports)
{
//check if there is frame in queue and try to process it
if (iport.input.Count > 0)
{
STM1 frame = iport.input.Dequeue();
//if (frame.vc4 != null)
if (opt != 1)
{
Console.WriteLine("vc4");
int out_pos = -1;
VirtualContainer4 vc4 = frame.vc4;
out_pos = switchField.commutateContainer(vc4, iport.port);
if (out_pos != -1)
{
log("ok", ConsoleColor.Green);
this.ports.oports[out_pos].addToOutQueue(vc4);
}
}
//else if (frame.vc4.vc3List.Count > 0)
else
{
Console.WriteLine("vc3->vc4");
Console.WriteLine("unpacking container");
foreach (var vc in frame.vc4.vc3List)
{
VirtualContainer3 vc3 = vc.Value;
if (vc3 != null)
{
int[] out_pos = { -1, -1 };
out_pos = switchField.commutateContainer(vc3, iport.port, vc.Key);
if (out_pos[0] != -1)
{
log("ok", ConsoleColor.Green);
this.ports.oports[out_pos[0]].addToTempQueue(vc3, out_pos[1]);
}
}
}
}
//else
//{
//Console.WriteLine("smth wrong with stm1");
//}
}
}
foreach (OPort oport in this.ports.oports)
{
//packing STM from tempQueue to outqueue
oport.addToOutQueue();
}
foreach (OPort oport in this.ports.oports)
{
//check if there is frame in queue and try to send it
if (oport.output.Count > 0)
{
STM1 frame = oport.output.Dequeue();
if (frame.vc4 != null || frame.vc4.vc3List.Count > 0)
{
try
{
pathList.Add(this.virtualIp);
Signal signal = new Signal(oport.port, frame, pathList);
consoleWriter("sending signal port: " + signal.port);
string data = JMessage.Serialize(JMessage.FromValue(signal));
Console.WriteLine(data);
writer.Write(data);
}
catch (Exception e)
{
log("\nError sending signal: " + e.Message, ConsoleColor.Red);
Thread.Sleep(2000);
Environment.Exit(1);
}
}
}
}
Thread.Sleep(125);
}
}
