Files
abysmal-isle/Server/Network/NetState.cs
Unstable Kitsune b918192e4e Overwrite
Complete Overwrite of the Folder with the free shard. ServUO 57.3 has been added.
2023-11-28 23:20:26 -05:00

1336 lines
29 KiB
C#

#region References
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using Server.Accounting;
using Server.Diagnostics;
using Server.Gumps;
using Server.HuePickers;
using Server.Items;
using Server.Menus;
#endregion
namespace Server.Network
{
public interface IPacketEncoder
{
void EncodeOutgoingPacket(NetState to, ref byte[] buffer, ref int length);
void DecodeIncomingPacket(NetState from, ref byte[] buffer, ref int length);
}
public interface IPacketEncryptor
{
void EncryptOutgoingPacket(NetState to, ref byte[] buffer, ref int length);
void DecryptIncomingPacket(NetState from, ref byte[] buffer, ref int length);
}
public delegate void NetStateCreatedCallback(NetState ns);
[PropertyObject]
public class NetState : IComparable<NetState>
{
public static bool BufferStaticPackets = false;
public static event NetStateCreatedCallback CreatedCallback;
private readonly IPAddress m_Address;
private ByteQueue m_Buffer;
private byte[] m_RecvBuffer;
private readonly SendQueue m_SendQueue;
private bool m_Running;
private AsyncCallback m_OnReceive, m_OnSend;
private readonly MessagePump m_MessagePump;
private List<Gump> m_Gumps;
private List<HuePicker> m_HuePickers;
private List<IMenu> m_Menus;
private readonly List<SecureTrade> m_Trades;
private readonly string m_ToString;
private ClientVersion m_Version;
private readonly DateTime m_ConnectedOn;
[CommandProperty(AccessLevel.Administrator, true)]
public DateTime ConnectedOn { get { return m_ConnectedOn; } }
[CommandProperty(AccessLevel.Administrator, true)]
public TimeSpan ConnectedFor { get { return (DateTime.UtcNow - m_ConnectedOn); } }
[CommandProperty(AccessLevel.Administrator, true)]
public uint AuthID { get; set; }
[CommandProperty(AccessLevel.Administrator, true)]
public uint Seed { get; set; }
[CommandProperty(AccessLevel.Administrator)]
public IPAddress Address { get { return m_Address; } }
private static bool m_Paused;
[Flags]
private enum AsyncState
{
Pending = 0x01,
Paused = 0x02
}
private AsyncState m_AsyncState;
private readonly object m_AsyncLock = new object();
public IPacketEncoder PacketEncoder { get; set; }
public IPacketEncryptor PacketEncryptor { get; set; }
[CommandProperty(AccessLevel.Administrator, true)]
public bool SentFirstPacket { get; set; }
[CommandProperty(AccessLevel.Administrator, true)]
public bool BlockAllPackets { get; set; }
[CommandProperty(AccessLevel.Administrator, true)]
public bool? Encrypted { get; set; }
[CommandProperty(AccessLevel.Administrator, true)]
public ClientFlags Flags { get; set; }
[CommandProperty(AccessLevel.Administrator, true)]
public ClientVersion Version
{
get { return m_Version; }
set
{
m_Version = value;
if (value >= m_Version70610)
{
_ProtocolChanges = ProtocolChanges.Version70610;
}
else if (value >= m_Version70500)
{
_ProtocolChanges = ProtocolChanges.Version70500;
}
else if (value >= m_Version704565)
{
_ProtocolChanges = ProtocolChanges.Version704565;
}
else if (value >= m_Version70331)
{
_ProtocolChanges = ProtocolChanges.Version70331;
}
else if (value >= m_Version70300)
{
_ProtocolChanges = ProtocolChanges.Version70300;
}
else if (value >= m_Version70160)
{
_ProtocolChanges = ProtocolChanges.Version70160;
}
else if (value >= m_Version70130)
{
_ProtocolChanges = ProtocolChanges.Version70130;
}
else if (value >= m_Version7090)
{
_ProtocolChanges = ProtocolChanges.Version7090;
}
else if (value >= m_Version7000)
{
_ProtocolChanges = ProtocolChanges.Version7000;
}
else if (value >= m_Version60142)
{
_ProtocolChanges = ProtocolChanges.Version60142;
}
else if (value >= m_Version6017)
{
_ProtocolChanges = ProtocolChanges.Version6017;
}
else if (value >= m_Version6000)
{
_ProtocolChanges = ProtocolChanges.Version6000;
}
else if (value >= m_Version502b)
{
_ProtocolChanges = ProtocolChanges.Version502b;
}
else if (value >= m_Version500a)
{
_ProtocolChanges = ProtocolChanges.Version500a;
}
else if (value >= m_Version407a)
{
_ProtocolChanges = ProtocolChanges.Version407a;
}
else if (value >= m_Version400a)
{
_ProtocolChanges = ProtocolChanges.Version400a;
}
}
}
private static readonly ClientVersion m_Version400a = new ClientVersion("4.0.0a");
private static readonly ClientVersion m_Version407a = new ClientVersion("4.0.7a");
private static readonly ClientVersion m_Version500a = new ClientVersion("5.0.0a");
private static readonly ClientVersion m_Version502b = new ClientVersion("5.0.2b");
private static readonly ClientVersion m_Version6000 = new ClientVersion("6.0.0.0");
private static readonly ClientVersion m_Version6017 = new ClientVersion("6.0.1.7");
private static readonly ClientVersion m_Version60142 = new ClientVersion("6.0.14.2");
private static readonly ClientVersion m_Version7000 = new ClientVersion("7.0.0.0");
private static readonly ClientVersion m_Version7090 = new ClientVersion("7.0.9.0");
private static readonly ClientVersion m_Version70130 = new ClientVersion("7.0.13.0");
private static readonly ClientVersion m_Version70160 = new ClientVersion("7.0.16.0");
private static readonly ClientVersion m_Version70300 = new ClientVersion("7.0.30.0");
private static readonly ClientVersion m_Version70331 = new ClientVersion("7.0.33.1");
private static readonly ClientVersion m_Version704565 = new ClientVersion("7.0.45.65");
private static readonly ClientVersion m_Version70500 = new ClientVersion("7.0.50.0");
private static readonly ClientVersion m_Version70610 = new ClientVersion("7.0.61.0");
private ProtocolChanges _ProtocolChanges;
private enum ProtocolChanges
{
NewSpellbook = 0x00000001,
DamagePacket = 0x00000002,
Unpack = 0x00000004,
BuffIcon = 0x00000008,
NewHaven = 0x00000010,
ContainerGridLines = 0x00000020,
ExtendedSupportedFeatures = 0x00000040,
StygianAbyss = 0x00000080,
HighSeas = 0x00000100,
NewCharacterList = 0x00000200,
NewCharacterCreation = 0x00000400,
ExtendedStatus = 0x00000800,
NewMobileIncoming = 0x00001000,
NewSecureTrading = 0x00002000,
UltimaStore = 0x00004000,
EndlessJourney = 0x00008000,
Version400a = NewSpellbook,
Version407a = Version400a | DamagePacket,
Version500a = Version407a | Unpack,
Version502b = Version500a | BuffIcon,
Version6000 = Version502b | NewHaven,
Version6017 = Version6000 | ContainerGridLines,
Version60142 = Version6017 | ExtendedSupportedFeatures,
Version7000 = Version60142 | StygianAbyss,
Version7090 = Version7000 | HighSeas,
Version70130 = Version7090 | NewCharacterList,
Version70160 = Version70130 | NewCharacterCreation,
Version70300 = Version70160 | ExtendedStatus,
Version70331 = Version70300 | NewMobileIncoming,
Version704565 = Version70331 | NewSecureTrading,
Version70500 = Version704565 | UltimaStore,
Version70610 = Version70500 | EndlessJourney
}
[CommandProperty(AccessLevel.Administrator, true)]
public bool NewSpellbook { get { return ((_ProtocolChanges & ProtocolChanges.NewSpellbook) != 0); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool DamagePacket { get { return ((_ProtocolChanges & ProtocolChanges.DamagePacket) != 0); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool Unpack { get { return ((_ProtocolChanges & ProtocolChanges.Unpack) != 0); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool BuffIcon { get { return ((_ProtocolChanges & ProtocolChanges.BuffIcon) != 0); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool NewHaven { get { return ((_ProtocolChanges & ProtocolChanges.NewHaven) != 0); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool ContainerGridLines { get { return ((_ProtocolChanges & ProtocolChanges.ContainerGridLines) != 0); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool ExtendedSupportedFeatures { get { return ((_ProtocolChanges & ProtocolChanges.ExtendedSupportedFeatures) != 0); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool StygianAbyss { get { return ((_ProtocolChanges & ProtocolChanges.StygianAbyss) != 0); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool HighSeas { get { return ((_ProtocolChanges & ProtocolChanges.HighSeas) != 0); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool NewCharacterList { get { return ((_ProtocolChanges & ProtocolChanges.NewCharacterList) != 0); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool NewCharacterCreation { get { return ((_ProtocolChanges & ProtocolChanges.NewCharacterCreation) != 0); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool ExtendedStatus { get { return ((_ProtocolChanges & ProtocolChanges.ExtendedStatus) != 0); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool NewMobileIncoming { get { return ((_ProtocolChanges & ProtocolChanges.NewMobileIncoming) != 0); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool NewSecureTrading { get { return ((_ProtocolChanges & ProtocolChanges.NewSecureTrading) != 0); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool UltimaStore { get { return ((_ProtocolChanges & ProtocolChanges.UltimaStore) != 0); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool EndlessJourney { get { return ((_ProtocolChanges & ProtocolChanges.EndlessJourney) != 0); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool IsUOTDClient { get { return ((Flags & ClientFlags.UOTD) != 0 || (m_Version != null && m_Version.Type == ClientType.UOTD)); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool IsSAClient { get { return (m_Version != null && m_Version.Type == ClientType.SA); } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool IsEnhancedClient { get { return IsUOTDClient || (m_Version != null && m_Version.Major >= 67); } }
public List<SecureTrade> Trades { get { return m_Trades; } }
public void ValidateAllTrades()
{
if (m_Trades == null)
{
return;
}
for (int i = m_Trades.Count - 1; i >= 0; --i)
{
if (i >= m_Trades.Count)
{
continue;
}
var trade = m_Trades[i];
if (trade.From.Mobile.Deleted || trade.To.Mobile.Deleted || !trade.From.Mobile.Alive || !trade.To.Mobile.Alive ||
!trade.From.Mobile.InRange(trade.To.Mobile, 2) || trade.From.Mobile.Map != trade.To.Mobile.Map)
{
trade.Cancel();
}
}
}
public void CancelAllTrades()
{
if (m_Trades == null)
{
return;
}
for (int i = m_Trades.Count - 1; i >= 0; --i)
{
if (i < m_Trades.Count)
{
m_Trades[i].Cancel();
}
}
}
public void RemoveTrade(SecureTrade trade)
{
if (m_Trades != null)
{
m_Trades.Remove(trade);
}
}
public SecureTrade FindTrade(Mobile m)
{
if (m_Trades == null)
{
return null;
}
foreach (var trade in m_Trades)
{
if (trade.From.Mobile == m || trade.To.Mobile == m)
{
return trade;
}
}
return null;
}
public SecureTradeContainer FindTradeContainer(Mobile m)
{
if (m_Trades == null)
{
return null;
}
foreach (var trade in m_Trades)
{
var from = trade.From;
var to = trade.To;
if (from.Mobile == Mobile && to.Mobile == m)
{
return from.Container;
}
if (from.Mobile == m && to.Mobile == Mobile)
{
return to.Container;
}
}
return null;
}
public SecureTradeContainer AddTrade(NetState state)
{
if (m_Trades == null || state.m_Trades == null)
{
return null;
}
var newTrade = new SecureTrade(Mobile, state.Mobile);
m_Trades.Add(newTrade);
state.m_Trades.Add(newTrade);
return newTrade.From.Container;
}
[CommandProperty(AccessLevel.Administrator, true)]
public bool CompressionEnabled { get; set; }
[CommandProperty(AccessLevel.Administrator, true)]
public int Sequence { get; set; }
public List<Gump> Gumps { get { return m_Gumps; } }
public List<HuePicker> HuePickers { get { return m_HuePickers; } }
public List<IMenu> Menus { get { return m_Menus; } }
private static int m_GumpCap = 512, m_HuePickerCap = 512, m_MenuCap = 512;
public static int GumpCap { get { return m_GumpCap; } set { m_GumpCap = value; } }
public static int HuePickerCap { get { return m_HuePickerCap; } set { m_HuePickerCap = value; } }
public static int MenuCap { get { return m_MenuCap; } set { m_MenuCap = value; } }
[CommandProperty(AccessLevel.Administrator, true)]
public int UpdateRange { get; set; }
public void WriteConsole(string text)
{
Console.WriteLine("Client: {0}: {1}", this, text);
}
public void WriteConsole(string format, params object[] args)
{
WriteConsole(String.Format(format, args));
}
public void AddMenu(IMenu menu)
{
if (m_Menus == null)
{
m_Menus = new List<IMenu>();
}
if (m_Menus.Count < m_MenuCap)
{
m_Menus.Add(menu);
}
else
{
Utility.PushColor(ConsoleColor.Red);
WriteConsole("Exceeded menu cap, disconnecting...");
Utility.PopColor();
Dispose();
}
}
public void RemoveMenu(IMenu menu)
{
if (m_Menus != null)
{
m_Menus.Remove(menu);
}
}
public void RemoveMenu(int index)
{
if (m_Menus != null)
{
m_Menus.RemoveAt(index);
}
}
public void ClearMenus()
{
if (m_Menus != null)
{
m_Menus.Clear();
}
}
public void AddHuePicker(HuePicker huePicker)
{
if (m_HuePickers == null)
{
m_HuePickers = new List<HuePicker>();
}
if (m_HuePickers.Count < m_HuePickerCap)
{
m_HuePickers.Add(huePicker);
}
else
{
Utility.PushColor(ConsoleColor.Red);
WriteConsole("Exceeded hue picker cap, disconnecting...");
Utility.PopColor();
Dispose();
}
}
public void RemoveHuePicker(HuePicker huePicker)
{
if (m_HuePickers != null)
{
m_HuePickers.Remove(huePicker);
}
}
public void RemoveHuePicker(int index)
{
if (m_HuePickers != null)
{
m_HuePickers.RemoveAt(index);
}
}
public void ClearHuePickers()
{
if (m_HuePickers != null)
{
m_HuePickers.Clear();
}
}
public void AddGump(Gump gump)
{
if (m_Gumps == null)
{
m_Gumps = new List<Gump>();
}
if (m_Gumps.Count < m_GumpCap)
{
m_Gumps.Add(gump);
}
else
{
Utility.PushColor(ConsoleColor.Red);
WriteConsole("Exceeded gump cap, disconnecting...");
Utility.PopColor();
Dispose();
}
}
public void RemoveGump(Gump gump)
{
if (m_Gumps != null)
{
m_Gumps.Remove(gump);
}
}
public void RemoveGump(int index)
{
if (m_Gumps != null)
{
m_Gumps.RemoveAt(index);
}
}
public void ClearGumps()
{
if (m_Gumps != null)
{
m_Gumps.Clear();
}
}
public void LaunchBrowser(string url)
{
Send(new MessageLocalized(Serial.MinusOne, -1, MessageType.Label, 0x35, 3, 501231, "", ""));
Send(new LaunchBrowser(url));
}
public CityInfo[] CityInfo { get; set; }
[CommandProperty(AccessLevel.Administrator, true)]
public Mobile Mobile { get; set; }
public ServerInfo[] ServerInfo { get; set; }
[CommandProperty(AccessLevel.Administrator)]
public IAccount Account { get; set; }
public override string ToString()
{
return m_ToString;
}
private static readonly List<NetState> m_Instances = new List<NetState>();
public static List<NetState> Instances { get { return m_Instances; } }
public const int SendBufferCapacity = 1024, SendBufferSize = 8092;
public const int ReceiveBufferCapacity = 1024, ReceiveBufferSize = 2048;
private static readonly BufferPool m_SendBufferPool = new BufferPool("Send", SendBufferCapacity, SendBufferSize);
private static readonly BufferPool m_ReceiveBufferPool = new BufferPool("Receive", ReceiveBufferCapacity, ReceiveBufferSize);
public static BufferPool SendBuffers { get { return m_SendBufferPool; } }
public static BufferPool ReceiveBuffers { get { return m_ReceiveBufferPool; } }
public NetState(Socket socket, MessagePump messagePump)
{
Socket = socket;
m_Buffer = new ByteQueue();
m_RecvBuffer = m_ReceiveBufferPool.AcquireBuffer();
m_MessagePump = messagePump;
m_Gumps = new List<Gump>();
m_HuePickers = new List<HuePicker>();
m_Menus = new List<IMenu>();
m_Trades = new List<SecureTrade>();
m_SendQueue = new SendQueue();
m_NextCheckActivity = Core.TickCount + 30000;
m_Instances.Add(this);
try
{
m_Address = Utility.Intern(((IPEndPoint)Socket.RemoteEndPoint).Address);
m_ToString = m_Address.ToString();
}
catch (Exception ex)
{
TraceException(ex);
m_Address = IPAddress.None;
m_ToString = "(error)";
}
m_ConnectedOn = DateTime.UtcNow;
UpdateRange = Core.GlobalUpdateRange;
if (CreatedCallback != null)
{
CreatedCallback(this);
}
}
private bool _Sending;
private readonly object _SendLock = new object();
public virtual void Send(Packet p)
{
if (Socket == null || BlockAllPackets)
{
p.OnSend();
return;
}
int length;
var buffer = p.Compile(CompressionEnabled, out length);
if (buffer != null)
{
if (buffer.Length <= 0 || length <= 0)
{
p.OnSend();
return;
}
PacketSendProfile prof = null;
if (Core.Profiling)
{
prof = PacketSendProfile.Acquire(p.GetType());
}
if (prof != null)
{
prof.Start();
}
var buffered = false;
if (PacketEncoder != null || PacketEncryptor != null)
{
var packetBuffer = buffer;
var packetLength = length;
if (BufferStaticPackets && p.State.HasFlag(PacketState.Acquired))
{
if (packetLength <= SendBufferSize)
{
packetBuffer = m_SendBufferPool.AcquireBuffer();
}
else
{
packetBuffer = new byte[packetLength];
}
System.Buffer.BlockCopy(buffer, 0, packetBuffer, 0, packetLength);
}
if (PacketEncoder != null)
{
PacketEncoder.EncodeOutgoingPacket(this, ref packetBuffer, ref packetLength);
}
if (PacketEncryptor != null)
{
PacketEncryptor.EncryptOutgoingPacket(this, ref packetBuffer, ref packetLength);
}
buffered = buffer != packetBuffer && packetBuffer.Length == SendBufferSize;
buffer = packetBuffer;
length = packetLength;
}
try
{
SendQueue.Gram gram;
lock (_SendLock)
{
lock (m_SendQueue)
{
gram = m_SendQueue.Enqueue(buffer, length);
}
if (buffered && m_SendBufferPool.Count < SendBufferCapacity)
{
m_SendBufferPool.ReleaseBuffer(buffer);
}
if (gram != null && !_Sending)
{
_Sending = true;
try
{
Socket.BeginSend(gram.Buffer, 0, gram.Length, SocketFlags.None, m_OnSend, Socket);
}
catch (Exception ex)
{
TraceException(ex);
Dispose(false);
}
}
}
}
catch (CapacityExceededException)
{
Utility.PushColor(ConsoleColor.Red);
Console.WriteLine("Client: {0}: Too much data pending, disconnecting...", this);
Utility.PopColor();
Dispose(false);
}
p.OnSend();
if (prof != null)
{
prof.Finish(length);
}
}
else
{
Utility.PushColor(ConsoleColor.Red);
Console.WriteLine("Client: {0}: null buffer send, disconnecting...", this);
Utility.PopColor();
using (var op = new StreamWriter("null_send.log", true))
{
op.WriteLine("{0} Client: {1}: null buffer send, disconnecting...", DateTime.UtcNow, this);
op.WriteLine(new StackTrace());
}
Dispose();
}
}
public void Start()
{
m_OnReceive = OnReceive;
m_OnSend = OnSend;
m_Running = true;
if (Socket == null || m_Paused)
{
return;
}
try
{
lock (m_AsyncLock)
{
if ((m_AsyncState & (AsyncState.Pending | AsyncState.Paused)) == 0)
{
InternalBeginReceive();
}
}
}
catch (Exception ex)
{
TraceException(ex);
Dispose(false);
}
}
private void InternalBeginReceive()
{
m_AsyncState |= AsyncState.Pending;
Socket.BeginReceive(m_RecvBuffer, 0, m_RecvBuffer.Length, SocketFlags.None, m_OnReceive, Socket);
}
private void OnReceive(IAsyncResult asyncResult)
{
try
{
var s = (Socket)asyncResult.AsyncState;
var byteCount = s.EndReceive(asyncResult);
if (byteCount > 0)
{
m_NextCheckActivity = Core.TickCount + 90000;
byte[] buffer;
lock (m_AsyncLock)
{
buffer = m_RecvBuffer;
}
if (PacketEncryptor != null)
{
PacketEncryptor.DecryptIncomingPacket(this, ref buffer, ref byteCount);
}
if (PacketEncoder != null)
{
PacketEncoder.DecodeIncomingPacket(this, ref buffer, ref byteCount);
}
lock (m_Buffer)
m_Buffer.Enqueue(buffer, 0, byteCount);
m_MessagePump.OnReceive(this);
lock (m_AsyncLock)
{
m_AsyncState &= ~AsyncState.Pending;
if ((m_AsyncState & AsyncState.Paused) == 0)
{
try
{
InternalBeginReceive();
}
catch (Exception ex)
{
TraceException(ex);
Dispose(false);
}
}
}
}
else
{
Dispose(false);
}
}
catch
{
Dispose(false);
}
}
private void OnSend(IAsyncResult asyncResult)
{
var s = (Socket)asyncResult.AsyncState;
try
{
var bytes = s.EndSend(asyncResult);
if (bytes <= 0)
{
Dispose(false);
return;
}
m_NextCheckActivity = Core.TickCount + 90000;
if (m_CoalesceSleep >= 0)
{
Thread.Sleep(m_CoalesceSleep);
}
SendQueue.Gram gram;
lock (m_SendQueue)
{
gram = m_SendQueue.Dequeue();
if (gram == null && m_SendQueue.IsFlushReady)
{
gram = m_SendQueue.CheckFlushReady();
}
}
if (gram != null)
{
try
{
s.BeginSend(gram.Buffer, 0, gram.Length, SocketFlags.None, m_OnSend, s);
}
catch (Exception ex)
{
TraceException(ex);
Dispose(false);
}
}
else
{
lock (_SendLock)
{
_Sending = false;
}
}
}
catch (Exception)
{
Dispose(false);
}
}
public static void Pause()
{
m_Paused = true;
foreach (var ns in m_Instances)
{
lock (ns.m_AsyncLock)
{
ns.m_AsyncState |= AsyncState.Paused;
}
}
}
public static void Resume()
{
m_Paused = false;
foreach (var ns in m_Instances)
{
if (ns.Socket == null)
{
continue;
}
lock (ns.m_AsyncLock)
{
ns.m_AsyncState &= ~AsyncState.Paused;
try
{
if ((ns.m_AsyncState & AsyncState.Pending) == 0)
{
ns.InternalBeginReceive();
}
}
catch (Exception ex)
{
TraceException(ex);
ns.Dispose(false);
}
}
}
}
public bool Flush()
{
if (Socket == null)
{
return false;
}
lock (_SendLock)
{
if (_Sending)
{
return false;
}
SendQueue.Gram gram;
lock (m_SendQueue)
{
if (!m_SendQueue.IsFlushReady)
{
return false;
}
gram = m_SendQueue.CheckFlushReady();
}
if (gram != null)
{
try
{
_Sending = true;
Socket.BeginSend(gram.Buffer, 0, gram.Length, SocketFlags.None, m_OnSend, Socket);
return true;
}
catch (Exception ex)
{
TraceException(ex);
Dispose(false);
}
}
}
return false;
}
public PacketHandler GetHandler(int packetID)
{
if (ContainerGridLines)
{
return PacketHandlers.Get6017Handler(packetID);
}
return PacketHandlers.GetHandler(packetID);
}
public static void FlushAll()
{
foreach (NetState ns in m_Instances)
{
ns.Flush();
}
}
private static int m_CoalesceSleep = -1;
public static int CoalesceSleep { get { return m_CoalesceSleep; } set { m_CoalesceSleep = value; } }
private long m_NextCheckActivity;
public void CheckAlive(long curTicks)
{
if (Socket == null)
{
return;
}
if (m_NextCheckActivity - curTicks >= 0)
{
return;
}
Utility.PushColor(ConsoleColor.Red);
Console.WriteLine("Client: {0}: Disconnecting due to inactivity...", this);
Utility.PopColor();
Dispose();
}
public static void TraceException(Exception ex)
{
if (!Core.Debug)
{
return;
}
try
{
using (var op = new StreamWriter("network-errors.log", true))
{
op.WriteLine("# {0}", DateTime.UtcNow);
op.WriteLine(ex);
op.WriteLine();
op.WriteLine();
}
}
catch
{ }
try
{
Console.WriteLine(ex);
}
catch
{ }
}
private bool m_Disposing;
[CommandProperty(AccessLevel.Administrator, true)]
public bool IsDisposing { get { return m_Disposing; } }
public void Dispose()
{
Dispose(true);
}
public virtual void Dispose(bool flush)
{
if (Socket == null || m_Disposing)
{
return;
}
m_Disposing = true;
if (flush)
{
Flush();
}
try
{
Socket.Shutdown(SocketShutdown.Both);
}
catch (SocketException ex)
{
TraceException(ex);
}
try
{
Socket.Close();
}
catch (SocketException ex)
{
TraceException(ex);
}
if (m_RecvBuffer != null)
{
lock (m_ReceiveBufferPool)
{
m_ReceiveBufferPool.ReleaseBuffer(m_RecvBuffer);
}
}
Socket = null;
PacketEncoder = null;
PacketEncryptor = null;
m_Buffer = null;
m_RecvBuffer = null;
m_OnReceive = null;
m_OnSend = null;
m_Running = false;
lock (m_Disposed)
{
m_Disposed.Enqueue(this);
}
lock (m_SendQueue)
{
if (!m_SendQueue.IsEmpty)
{
m_SendQueue.Clear();
}
}
}
public static void Initialize()
{
Timer.DelayCall(TimeSpan.FromMinutes(1.0), TimeSpan.FromMinutes(1.5), CheckAllAlive);
}
public static void CheckAllAlive()
{
try
{
var curTicks = Core.TickCount;
var i = m_Instances.Count;
while (--i >= 0)
{
if (m_Instances[i] != null)
{
m_Instances[i].CheckAlive(curTicks);
}
}
}
catch (Exception ex)
{
TraceException(ex);
}
}
private static readonly Queue<NetState> m_Disposed = new Queue<NetState>();
public static void ProcessDisposedQueue()
{
lock (m_Disposed)
{
var breakout = 200;
while (--breakout >= 0 && m_Disposed.Count > 0)
{
var ns = m_Disposed.Dequeue();
var m = ns.Mobile;
var a = ns.Account;
if (m != null)
{
m.CloseAllGumps();
m.NetState = null;
ns.Mobile = null;
}
ns.m_Gumps.Clear();
ns.m_Menus.Clear();
ns.m_HuePickers.Clear();
ns.Account = null;
ns.ServerInfo = null;
ns.CityInfo = null;
m_Instances.Remove(ns);
Utility.PushColor(ConsoleColor.Red);
if (a != null)
{
ns.WriteConsole("Disconnected. [{0} Online] [{1}]", m_Instances.Count, a);
}
else if (MessagePump.Display(ns))
{
ns.WriteConsole("Disconnected. [{0} Online]", m_Instances.Count);
}
Utility.PopColor();
}
}
}
[CommandProperty(AccessLevel.Administrator, true)]
public bool Running { get { return m_Running; } }
[CommandProperty(AccessLevel.Administrator, true)]
public bool Seeded { get; set; }
public Socket Socket { get; private set; }
public ByteQueue Buffer { get { return m_Buffer; } }
public ExpansionInfo ExpansionInfo
{
get
{
for (var i = ExpansionInfo.Table.Length - 1; i >= 0; i--)
{
var info = ExpansionInfo.Table[i];
if ((info.RequiredClient != null && Version >= info.RequiredClient) || ((Flags & info.ClientFlags) != 0))
{
return info;
}
}
return ExpansionInfo.GetInfo(Expansion.None);
}
}
[CommandProperty(AccessLevel.Administrator, true)]
public Expansion Expansion { get { return (Expansion)ExpansionInfo.ID; } }
public bool SupportsExpansion(ExpansionInfo info, bool checkCoreExpansion)
{
if (info == null || (checkCoreExpansion && (int)Core.Expansion < info.ID))
{
return false;
}
if (info.RequiredClient != null)
{
return ( IsEnhancedClient || Version >= info.RequiredClient );
}
return ((Flags & info.ClientFlags) != 0);
}
public bool SupportsExpansion(Expansion ex, bool checkCoreExpansion)
{
return SupportsExpansion(ExpansionInfo.GetInfo(ex), checkCoreExpansion);
}
public bool SupportsExpansion(Expansion ex)
{
return SupportsExpansion(ex, true);
}
public bool SupportsExpansion(ExpansionInfo info)
{
return SupportsExpansion(info, true);
}
public int CompareTo(NetState other)
{
if (other == null)
{
return 1;
}
return String.Compare(m_ToString, other.m_ToString, StringComparison.Ordinal);
}
#region Packet Throttling
private readonly long[] _Throttles = new long[Byte.MaxValue];
public void SetPacketTime(byte packetID)
{
_Throttles[packetID] = Core.TickCount;
}
public long GetPacketTime(byte packetID)
{
return _Throttles[packetID];
}
public bool IsThrottled(byte packetID, int delayMS)
{
return _Throttles[packetID] + delayMS > Core.TickCount;
}
#endregion
}
}