/// <summary>
/// Broadcast messages to all connected clients.
/// </summary>
/// <param name="Custom">Custom bytearray to send to the clients.</param>
/// <param name="sync">if it is true, will sync players position.</param>
public void Broadcast(byte[] Custom, bool sync)
{
//TODO: FRONTEND TO THE SERVER.
for (int i = 0; i < users.Count; i++)
{
if (users[i].TimeOut >= 10)
{
remove(users[i].Id, "Timed Out");
}
else
{
try
{
broadcast = users[i].EndPoint;
byte[] msg;
if (sync)
{
msg = PkgMngr.GenerateMessage(PkgInterf.PING, users[i].GetID());
server.Send(msg, msg.Length, broadcast);
users[i].TimeOut++;
}
if (Custom != null)
{
server.Send(Custom, Custom.Length, broadcast);
//Console.WriteLine("Sent:" + PkgMngr.Translate(Custom));
}
}
catch (SocketException e)
{
remove(users[i].Address, users[i].Port, "Problem: " + e);
}
}
}
}
/// <summary>
/// Sync player's position
/// </summary>
public void Sync()
{
//HACK: Temporary.
for (int j = 0; j < users.Count; j++)
{
try
{
broadcast = users[j].EndPoint;
for (int i = 0; i < users.Count; i++)
{
if (i != j && users[i] != null)
{
byte[] msg = PkgMngr.GenerateMessage(PkgInterf.SYNC, users[i].GetPosition(), users[i].GetID());
//Console.WriteLine("DEBUG — Sending: " + msg.Length + " Bits.");
server.Send(msg, msg.Length, broadcast);
}
}
}
catch (Exception e)
{
Console.WriteLine("Something happened: " + e.Message);
continue;
}
}
if (users.Count == 0)
{
Thread.Sleep(50);
}
}
/// <summary>
/// Send a message directly to an ID
/// </summary>
/// <param name="signal">Signal token to an server command.</param>
/// <param name="message">Byte array to be sent to the server.</param>
/// <param name="ID">ID of the user</param>
public void sendDirect(byte signal, byte[] message, int ID = -1)
{
Console.WriteLine("Testing");
IPEndPoint EP = Search(ID).EndPoint;
byte[] msg = PkgMngr.GenerateMessage(signal, message);
server.Send(msg, msg.Length, EP);
}
/// <summary>
/// Send a message directly to a address
/// </summary>
/// <param name="signal">Signal token to an server command.</param>
/// <param name="message">Byte array to be sent to the server.</param>
/// <param name="Address">IP Address of the client.</param>
/// <param name="_port">Port of the server.</param>
public void sendDirect(byte signal, byte[] message, IPAddress Address, int _port)
{
IPEndPoint EP = new IPEndPoint(Address, _port);
byte[] msg = PkgMngr.GenerateMessage(signal, message);
server.Send(msg, msg.Length, EP);
Console.WriteLine("Sending Handshake");
}
public void sendDirect(string message, string Address, int _port)
{
IPEndPoint EP = new IPEndPoint(IPAddress.Parse(Address), _port);
byte[] msg = PkgMngr.GetBytes(message);
server.Send(msg, msg.Length, EP);
Console.WriteLine("Sending HandShake");
}
/// <summary>
/// Insert a new client to the list
/// </summary>
/// <param name="Address">Client's IP Address.</param>
/// <param name="_port">Client's port</param>
/// <param name="name">Client's name</param>
/// <param name="qt_custom">Extra sync vars</param>
/// <returns>Client object</returns>
public Client insert(string Address, int _port, string name)
{
Client obj = new Client(Address, _port, name, IDcont);
Console.WriteLine("Welcome! " + name + " with the ID: " + IDcont);
byte[] advise = PkgMngr.GenerateMessage(PkgInterf.JOIN, BitConverter.GetBytes(IDcont), PkgMngr.GetBytes(name));
Broadcast(advise, false);
users.Add(obj);
IDcont++;
return(obj);
}
public WSServer(UDPnetKode Translator, int port = 8585)
{
SocketServer = Translator;
WSS = new WebSocketServer("ws://0.0.0.0:" + port);
WSS.Start(socket =>
{
socket.OnOpen = () => Console.WriteLine("Open!");
socket.OnClose = () => Console.WriteLine("Close!");
socket.OnMessage = message => Translator.sendDirect(PkgMngr.GetBytes(message[0]), PkgMngr.TrimByteArray(1, message.Length, PkgMngr.GetBytes(message)));
});
}
/// <summary>
/// removes a client from the list
/// </summary>
/// <param name="_ID">Client ID</param>
/// <param name="Why">Reason why it is going to be removed</param>
public void remove(int _ID = -1, string Why = "")
{
Console.WriteLine("Removing a client by: " + Why);
for (int i = 0; i < users.Count; i++)
{
if (users[i].Id == _ID)
{
users.RemoveAt(i);
Broadcast(PkgMngr.GenerateMessage(PkgInterf.GOODBYE, BitConverter.GetBytes(_ID)), false);
}
}
}
public void SendEverybodyID(IPAddress IP, int Port)
{
byte[] pkg = new byte[4 * users.Count];
int index = 0;
for (int i = 0; i < users.Count; i++)
{
byte[] _id = users[i].GetID();
for (int j = 0; j < 4; j++)
{
pkg[index] = _id[j];
}
}
byte[] final_pkg = PkgMngr.Union(BitConverter.GetBytes(users.Count), pkg);
sendDirect(PkgInterf.UPDATE, final_pkg, IP, Port);
}
/// <summary>
/// removes a client from the list
/// </summary>
/// <param name="ip">Client's IP Address</param>
/// <param name="port">Client's port</param>
/// <param name="Why">Reason why it is going to be removed</param>
public void remove(string ip = "", int port = 8484, string Why = "")
{
Console.WriteLine("Removing a client by: " + Why);
for (int i = 0; i < users.Count; i++)
{
if (users[i].Address == ip && users[i].Port == port)
{
int id = users[i].Id;
string name = users[i].Name;
users.RemoveAt(i);
Console.WriteLine("Disconnected: " + name);
Broadcast(PkgMngr.GenerateMessage(PkgInterf.GOODBYE, BitConverter.GetBytes(id)), false);
break;
}
}
}
private void Wsc_MessageReceived(object sender, MessageReceivedEventArgs e)
{
Console.WriteLine("Relay: " + e.Message);
byte[] pkg = PkgMngr.GetBytes(e.Message);
try
{
switch (pkg[0])
{
case PkgInterf.HELLO:
break;
}
}
catch (Exception ex)
{
Console.WriteLine("Trying Communication:" + ex.Message);
}
}
/// <summary>
/// Server receives messages from the clients
/// </summary>
public void RecvMessage()
{
while (alive)
{
try
{
byte[] Pkg = server.Receive(ref clientes);
switch (Pkg[0])
{
case PkgInterf.HELLO:
if (Search(clientes.Address.ToString(), clientes.Port) == null)
{
byte[] idtosend = new byte[4];
idtosend = BitConverter.GetBytes(IDcont);
insert(clientes.Address.ToString(), clientes.Port, PkgMngr.Translate(PkgMngr.TrimByteArray(1, Pkg.Length, Pkg)));
Console.WriteLine("Connection incoming [{0}:{1}]", clientes.Address.ToString(), clientes.Port);
sendDirect(PkgInterf.HANDSHAKE, idtosend, clientes.Address, clientes.Port);
//SendEverybodyID(clientes.Address, clientes.Port);
}
break;
case PkgInterf.GOODBYE:
if (Search(clientes.Address.ToString(), clientes.Port) != null)
{
Client temp = Search(clientes.Address.ToString(), clientes.Port);
remove(temp.Id, "Disconnected Safely");
}
else
{
sendDirect(PkgInterf.ERROR, clientes.Address, clientes.Port);
}
break;
case PkgInterf.PING:
if (Search(clientes.Address.ToString(), clientes.Port) != null)
{
Search(clientes.Address.ToString(), clientes.Port).TimeOut = 0;
}
else
{
sendDirect(PkgInterf.ERROR, clientes.Address, clientes.Port);
}
break;
case PkgInterf.SYNC:
if (Search(clientes.Address.ToString(), clientes.Port) != null)
{
/*1-XXXX-YYYY-ZZZZ*/
Client temp = Search(clientes.Address.ToString(), clientes.Port);
temp.SetPositionByByteArray(PkgMngr.TrimByteArray(1, 13, Pkg));
}
else
{
sendDirect(PkgInterf.ERROR, clientes.Address, clientes.Port);
}
break;
case PkgInterf.INPUT:
/*It will send to all players the input to of an player
* but syncing his position and rotation before all thing*/
if (Search(clientes.Address.ToString(), clientes.Port) != null)
{
/*H-I-P-IDID-XXXX-YYYY-ZZZZ-X-Y-Z
* HEADER : 3 UNSIGNED CHAR/BYTE
* INPUTKEY : 0-255 UNSIGNED CHAR/BYTE BUTTON PRESSED
* PWM : 0-255 BOOL/BYTE PWM BUTTON ON-OFF
* IDID : 2^32 INT32 PLAYER ID
* XXXX : 0.0000 FLOAT X Position.
* YYYY : 0.0000 FLOAT Y Position.
* ZZZZ : 0.0000 FLOAT Z Position.
* X : 0-255 BYTE X Rotation.
* Y : 0-255 BYTE Y Rotation.
* Z : 0-255 BYTE Z Rotation.*/
Client temp = Search(clientes.Address.ToString(), clientes.Port);
temp.NewInput(Pkg);
}
else
{
sendDirect(PkgInterf.ERROR, clientes.Address, clientes.Port);
}
break;
case PkgInterf.CHAT:
if (Search(clientes.Address.ToString(), clientes.Port) != null)
{
Client clien = Search(clientes.Address.ToString(), clientes.Port);
Console.WriteLine(clien.Name + ": " + PkgMngr.Translate(Pkg));
}
else
{
sendDirect(PkgInterf.ERROR, clientes.Address, clientes.Port);
}
break;
case PkgInterf.INFO:
Broadcast(Pkg, false);
break;
case PkgInterf.REQUEST:
Client temp_client = Search(clientes.Address.ToString(), clientes.Port);
if (temp_client != null)
{
byte[] idtosend = new byte[4];
idtosend = temp_client.GetID();
sendDirect(PkgInterf.HANDSHAKE, idtosend, clientes.Address, clientes.Port);
}
break;
default:
if (Search(clientes.Address.ToString(), clientes.Port) != null)
{
Client clien = Search(clientes.Address.ToString(), clientes.Port);
Console.WriteLine(clien.Name + ": " + PkgMngr.Translate(Pkg) + " (Using an unkown header)");
}
else
{
Console.WriteLine("Invalid Session!");
sendDirect(PkgInterf.ERROR, clientes.Address, clientes.Port);
}
break;
}
}
catch (SocketException e)
{
Console.WriteLine("Trying Communication. error: " + e.Message);
}
}
}
