public string ReadString()
{
byte[] readString = new byte[1024];
byte c;
int charCount = 0;
// Read from the stream until \0 is read
while ((c = reader.ReadByte()) != 0x00)
{
try {
readString[charCount] = c;
charCount++;
} catch (ArgumentOutOfRangeException) {
ServerConsole.WriteLine(System.Drawing.Color.Red, "Received string was longer than 1024 byte!");
break;
}
}
string returnString;
try {
returnString = Encoding.ASCII.GetString(readString, 0, charCount);
} catch (Exception) {
ServerConsole.WriteLine(System.Drawing.Color.Red, "There was an error while converting data to a string!");
returnString = " ";
}
return(returnString);
}
/// <summary>
/// Process Client connections, and calls a Async Callback
/// </summary>
private static void ProcessConnections()
{
IPEndPoint localEndPoint = new IPEndPoint(IPAddress.Any, Server.PORT);
Socket listener = new Socket(
AddressFamily.InterNetwork,
SocketType.Stream,
ProtocolType.Tcp
);
try
{
listener.Bind(localEndPoint);
listener.Listen(5);
while (Server.Running)
{
resetEvent.Reset();
listener.BeginAccept(new AsyncCallback(Server.CallbackAccept), listener);
resetEvent.WaitOne();
}
}
catch (Exception e)
{
ServerConsole.WriteLine(System.Drawing.Color.Red, e.ToString());
}
}
/// <summary>
/// Callback that handles client connections
/// </summary>
/// <param name="ar"></param>
private static void CallbackAccept(IAsyncResult ar)
{
resetEvent.Set();
///
/// Listen for connections
///
Socket listener = (Socket)ar.AsyncState;
Socket handler = listener.EndAccept(ar);
///
/// Client connected ! Creating client object.
///
Client client = new Client(handler);
clients.Add(client);
ServerConsole.WriteLine(Color.Blue, "Client #{0} connected from {1}", client.IP);
///
/// Starts to listen for client input
///
handler.BeginReceive(
client.Buffer, 0,
Client.BUFFERSIZE, 0,
new AsyncCallback(client.OnReceive),
null
);
}
/// <summary>
/// Handles client disconnecting
/// </summary>
public void Disconnect()
{
if (user != null)
{
Server.Users.Remove(user.UserId);
MainForm.Instance.InvokeDelegate(delegate() {
MainForm.Instance.usersListBox.Items.Remove(user.Username);
});
ServerConsole.WriteLine(Color.Blue, "Connection for client #{0} terminated.", user.UserId);
}
if (mainSocket.Connected)
{
mainSocket.Shutdown(SocketShutdown.Both);
}
mainSocket.Close();
mainSocket = null;
try {
World.FreeId(character.WorldID);
} catch (Exception) {}
if (character != null)
{
SaveCharacterLocation();
}
Server.ClientDisconnected(this);
}
public void Request(byte skillId, uint playerId)
{
if (!Handlers.ContainsKey(skillId))
{
ServerConsole.WriteLine(System.Drawing.Color.Red, "Unknown Skill Id #{0}", skillId);
}
}
public static void DumpUnknown(PacketIn packet)
{
ServerConsole.Write(System.Drawing.Color.Red, "Dumping unknown packet with Id {0:X2}: ", packet.PacketType);
for (int i = 0; i < (packet.PacketSize - 3); i++)
{
ServerConsole.Write(System.Drawing.Color.Red, "{0} ", packet.ReadByte());
}
ServerConsole.WriteLine("");
}
public static void DumpUnusedPacket(string name, PacketIn packet)
{
ServerConsole.Write(System.Drawing.Color.Red, "Dumping unused packet #{0} with Id {1:X2}: ", name, packet.PacketType);
for (int i = 0; i < (packet.PacketSize - 3); i++)
{
ServerConsole.Write(System.Drawing.Color.Red, "{0} ", packet.ReadByte());
}
ServerConsole.WriteLine("");
}
/// <summary>
/// Loads all the maps.
/// </summary>
public static void LoadMaps()
{
_maps = new Map[50, 50];
using (XmlTextReader xtr = new XmlTextReader("Maps.xml"))
{
done = true;
string mapName;
int posX;
int posY;
while (xtr.Read())
{
if (xtr.NodeType == XmlNodeType.Element)
{
if (xtr.Name == "Map")
{
mapName = xtr.GetAttribute("Src");
Utils.XmlNextElement(xtr);
if (xtr.Name == "Position")
{
try
{
posX = Int32.Parse(xtr.GetAttribute("PosX"));
posY = Int32.Parse(xtr.GetAttribute("PosY"));
_maps[posX, posY] = new Map(mapName);
}
catch (FormatException)
{
ServerConsole.WriteLine(
System.Drawing.Color.Red,
"Invalid position encountered while loading maps. [{0}]",
xtr.LineNumber);
done = false;
}
catch (FileNotFoundException)
{
ServerConsole.WriteLine(
System.Drawing.Color.Red,
"An error was encountered while loading a map. [{0}]",
xtr.LineNumber);
done = false;
break;
}
}
}
}
}
}
}
/// <summary>
/// Starts a Kalonline Server, with following actions
/// - Configure NHibernate (ORM)
/// - Load Maps
/// - Start ClientHandling thread
/// </summary>
public Server()
{
///
/// Load Server Config
///
if (File.Exists("Config.xml"))
{
XPathNavigator config = new XPathDocument("Config.xml").CreateNavigator();
PORT = Int32.Parse(config.SelectSingleNode("config/port").Value);
}
else
{
ServerConsole.WriteLine(Color.Red, "Could not find Config.xml, aborting startup.");
return;
}
///
/// Configure NHibernate
///
ServerConsole.WriteLine(Color.Blue, "- [Configuring Database]");
Configuration cfg = new Configuration();
cfg.AddAssembly("Emulator");
Factory = cfg.BuildSessionFactory();
///
/// Load Maps
///
ServerConsole.WriteLine(Color.Blue, "- [Loading Maps]");
World.LoadMaps();
///
/// Load NPCs
///
ServerConsole.WriteLine(Color.Blue, "- [Loading NPCs]");
World.LoadNPCs();
if (World.done)
{
///
/// Start the server
///
processConnectionsThread = new Thread(
new ThreadStart(Server.ProcessConnections)
);
processConnectionsThread.Start();
ServerThinker.Start();
ServerConsole.WriteLine("Server Started");
}
}
/// <summary>
/// Handles packet receiving
/// </summary>
/// <param name="result"></param>
public void OnReceive(IAsyncResult result)
{
try
{
int bytesRead = mainSocket.EndReceive(result);
if (bytesRead > 0)
{
Array.Copy(_buffer, 0, tempBuffer, tempSize, bytesRead);
tempSize += bytesRead;
}
else
{
Disconnect();
return;
}
}
catch (SocketException e)
{
if (e.ErrorCode == 10054)
{
Disconnect();
return;
}
ServerConsole.WriteLine(Color.Red, "Socket Error: {0}", e.Message);
return;
} catch (ObjectDisposedException) {
} catch (NullReferenceException) {
}
while (tempSize >= 2 && tempSize >= ((int)tempBuffer[0] + (((int)tempBuffer[1]) << 8)))
{
int chunkSize = (int)tempBuffer[0] + (((int)tempBuffer[1]) << 8);
Process(tempBuffer);
Array.Copy(tempBuffer, chunkSize, tempBuffer, 0, tempSize - chunkSize);
tempSize -= chunkSize;
}
try {
mainSocket.BeginReceive(_buffer, 0, BUFFERSIZE, 0, new AsyncCallback(OnReceive), null);
} catch (Exception) {}
}
/// <summary>
/// Executes the thoughts work
/// </summary>
public void Work()
{
while (true)
{
int time = _time;
Thought head;
Thought pos;
pos = head = _head;
head = _head = Thought.UnlinkJob(_head, time);
if (pos == head)
{
Thread.Sleep(10);
continue;
}
while (pos != null)
{
Thought next = pos.Next;
pos.Unlink(null);
try {
pos.Trigger();
} catch (Exception e) {
ServerConsole.WriteLine(System.Drawing.Color.Red, "Exception in timed callback: {0}", e.Message);
if (e.StackTrace != null)
{
ServerConsole.WriteLine(System.Drawing.Color.Red, e.StackTrace);
}
ServerConsole.WriteLine("");
}
pos = next;
}
_time = Math.Min(_time, time + 5);
Thread.Sleep(10);
}
}
/// <summary>
/// Creates a Character
/// </summary>
/// <param name="name">Character Name</param>
/// <param name="classId">Class</param>
/// <param name="strength">Strength</param>
/// <param name="health">Health</param>
/// <param name="intelligence">Intelligence</param>
/// <param name="wisdom">Wisdom</param>
/// <param name="agility">Agility</param>
/// <param name="face">Face Style</param>
/// <param name="hair">Hair Style</param>
public int CreateCharacter(string name, byte classId, byte strength, byte health, byte intelligence,
byte wisdom, byte agility, byte face, byte hair)
{
ServerConsole.WriteLine("Creating character called {0} for {1}.", name, user.Username);
///
/// Configure the stats correctly foreach class
///
switch (classId)
{
case 0:
strength += 18;
health += 16;
intelligence += 8;
wisdom += 8;
agility += 10;
break;
case 1:
strength += 8;
health += 10;
intelligence += 18;
wisdom += 16;
agility += 8;
break;
case 2:
strength += 14;
health += 10;
intelligence += 8;
wisdom += 10;
agility += 18;
break;
}
///
/// Add random extra stats
///
for (int i = 0; i < 5; i++)
{
switch (Server.ServerRandom.Next(0, 4))
{
case 0: strength += 1; break;
case 1: health += 1; break;
case 2: intelligence += 1; break;
case 3: wisdom += 1; break;
case 4: agility += 1; break;
}
}
///
/// Character Creation
///
Player p;
using (session = Server.Factory.OpenSession())
using (ITransaction transaction = session.BeginTransaction())
{
///
/// Create Player
///
p = new Player();
p.UserId = user.UserId;
p.Status = 1;
p.Name = name;
p.ClassId = (int)classId;
p.Level = 1;
p.Job = 0;
p.Strength = (int)strength;
p.Health = (int)health;
p.Intelligence = (int)intelligence;
p.Wisdom = (int)wisdom;
p.Agility = (int)agility;
p.Face = (int)face;
p.Hair = (int)hair;
p.X = 257491;
p.Y = 258584;
p.Z = 16120;
session.Save(p);
transaction.Commit();
}
return(p.PlayerId);
}
