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AvatarsConquest/Source/Network/NetState.cs

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/***************************************************************************
* NetState.cs
* -------------------
* begin : May 1, 2002
* copyright : (C) The RunUO Software Team
* email : info@runuo.com
*
* $Id$
*
***************************************************************************/
/***************************************************************************
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
***************************************************************************/
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Net.Sockets;
using System.Threading;
using Server;
using Server.Accounting;
using Server.Network;
using Server.Items;
using Server.Gumps;
using Server.Menus;
using Server.HuePickers;
using Server.Diagnostics;
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 delegate void NetStateCreatedCallback( NetState ns );
public class NetState {
private Socket m_Socket;
private IPAddress m_Address;
private ByteQueue m_Buffer;
private byte[] m_RecvBuffer;
private SendQueue m_SendQueue;
private bool m_Seeded;
private bool m_Running;
#if Framework_4_0
private SocketAsyncEventArgs m_ReceiveEventArgs, m_SendEventArgs;
#else
private AsyncCallback m_OnReceive, m_OnSend;
#endif
private MessagePump m_MessagePump;
private ServerInfo[] m_ServerInfo;
private IAccount m_Account;
private Mobile m_Mobile;
private CityInfo[] m_CityInfo;
private List<Gump> m_Gumps;
private List<HuePicker> m_HuePickers;
private List<IMenu> m_Menus;
private List<SecureTrade> m_Trades;
private int m_Sequence;
private bool m_CompressionEnabled;
private string m_ToString;
private ClientVersion m_Version;
private bool m_SentFirstPacket;
private bool m_BlockAllPackets;
private DateTime m_ConnectedOn;
public DateTime ConnectedOn {
get {
return m_ConnectedOn;
}
}
public TimeSpan ConnectedFor {
get {
return ( DateTime.Now - m_ConnectedOn );
}
}
internal int m_Seed;
internal int m_AuthID;
public IPAddress Address {
get {
return m_Address;
}
}
private ClientFlags m_Flags;
private static bool m_Paused;
[Flags]
private enum AsyncState {
Pending = 0x01,
Paused = 0x02
}
private AsyncState m_AsyncState;
private object m_AsyncLock = new object();
private IPacketEncoder m_Encoder = null;
public IPacketEncoder PacketEncoder {
get {
return m_Encoder;
}
set {
m_Encoder = value;
}
}
private static NetStateCreatedCallback m_CreatedCallback;
public static NetStateCreatedCallback CreatedCallback {
get {
return m_CreatedCallback;
}
set {
m_CreatedCallback = value;
}
}
public bool SentFirstPacket {
get {
return m_SentFirstPacket;
}
set {
m_SentFirstPacket = value;
}
}
public bool BlockAllPackets {
get {
return m_BlockAllPackets;
}
set {
m_BlockAllPackets = value;
}
}
public ClientFlags Flags {
get {
return m_Flags;
}
set {
m_Flags = value;
}
}
public ClientVersion Version {
get {
return m_Version;
}
set {
m_Version = value;
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 ClientVersion m_Version400a = new ClientVersion( "4.0.0a" );
private static ClientVersion m_Version407a = new ClientVersion( "4.0.7a" );
private static ClientVersion m_Version500a = new ClientVersion( "5.0.0a" );
private static ClientVersion m_Version502b = new ClientVersion( "5.0.2b" );
private static ClientVersion m_Version6000 = new ClientVersion( "6.0.0.0" );
private static ClientVersion m_Version6017 = new ClientVersion( "6.0.1.7" );
private static ClientVersion m_Version60142 = new ClientVersion( "6.0.14.2" );
private static ClientVersion m_Version7000 = new ClientVersion( "7.0.0.0" );
private static ClientVersion m_Version7090 = new ClientVersion( "7.0.9.0" );
private static ClientVersion m_Version70130 = new ClientVersion( "7.0.13.0" );
private static ClientVersion m_Version70160 = new ClientVersion( "7.0.16.0" );
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,
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
}
public bool NewSpellbook { get { return ((_ProtocolChanges & ProtocolChanges.NewSpellbook) != 0); } }
public bool DamagePacket { get { return ((_ProtocolChanges & ProtocolChanges.DamagePacket) != 0); } }
public bool Unpack { get { return ((_ProtocolChanges & ProtocolChanges.Unpack) != 0); } }
public bool BuffIcon { get { return ((_ProtocolChanges & ProtocolChanges.BuffIcon) != 0); } }
public bool NewHaven { get { return ((_ProtocolChanges & ProtocolChanges.NewHaven) != 0); } }
public bool ContainerGridLines { get { return ((_ProtocolChanges & ProtocolChanges.ContainerGridLines) != 0); } }
public bool ExtendedSupportedFeatures { get { return ((_ProtocolChanges & ProtocolChanges.ExtendedSupportedFeatures) != 0); } }
public bool StygianAbyss { get { return ((_ProtocolChanges & ProtocolChanges.StygianAbyss) != 0); } }
public bool HighSeas { get { return ((_ProtocolChanges & ProtocolChanges.HighSeas) != 0); } }
public bool NewCharacterList { get { return ((_ProtocolChanges & ProtocolChanges.NewCharacterList) != 0); } }
public bool NewCharacterCreation { get { return ((_ProtocolChanges & ProtocolChanges.NewCharacterCreation) != 0); } }
public bool IsUOTDClient {
get {
return ( (m_Flags & ClientFlags.UOTD) != 0 || ( m_Version != null && m_Version.Type == ClientType.UOTD ) );
}
}
public List<SecureTrade> Trades {
get {
return m_Trades;
}
}
public void ValidateAllTrades() {
for ( int i = m_Trades.Count - 1; i >= 0; --i ) {
if ( i >= m_Trades.Count ) {
continue;
}
SecureTrade 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() {
for ( int i = m_Trades.Count - 1; i >= 0; --i ) {
if ( i < m_Trades.Count ) {
m_Trades[i].Cancel();
}
}
}
public void RemoveTrade( SecureTrade trade ) {
m_Trades.Remove( trade );
}
public SecureTrade FindTrade( Mobile m ) {
for ( int i = 0; i < m_Trades.Count; ++i ) {
SecureTrade trade = m_Trades[i];
if ( trade.From.Mobile == m || trade.To.Mobile == m ) {
return trade;
}
}
return null;
}
public SecureTradeContainer FindTradeContainer( Mobile m ) {
for ( int i = 0; i < m_Trades.Count; ++i ) {
SecureTrade trade = m_Trades[i];
SecureTradeInfo from = trade.From;
SecureTradeInfo to = trade.To;
if ( from.Mobile == m_Mobile && to.Mobile == m ) {
return from.Container;
} else if ( from.Mobile == m && to.Mobile == m_Mobile ) {
return to.Container;
}
}
return null;
}
public SecureTradeContainer AddTrade( NetState state ) {
SecureTrade newTrade = new SecureTrade( m_Mobile, state.m_Mobile );
m_Trades.Add( newTrade );
state.m_Trades.Add( newTrade );
return newTrade.From.Container;
}
public bool CompressionEnabled {
get {
return m_CompressionEnabled;
}
set {
m_CompressionEnabled = value;
}
}
public int Sequence {
get {
return m_Sequence;
}
set {
m_Sequence = value;
}
}
public IEnumerable<Gump> Gumps {
get {
return m_Gumps;
}
}
public IEnumerable<HuePicker> HuePickers {
get {
return m_HuePickers;
}
}
public IEnumerable<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;
}
}
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 {
WriteConsole( "Exceeded menu cap, disconnecting..." );
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 {
WriteConsole( "Exceeded hue picker cap, disconnecting..." );
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 {
WriteConsole( "Exceeded gump cap, disconnecting..." );
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 {
return m_CityInfo;
}
set {
m_CityInfo = value;
}
}
public Mobile Mobile {
get {
return m_Mobile;
}
set {
m_Mobile = value;
}
}
public ServerInfo[] ServerInfo {
get {
return m_ServerInfo;
}
set {
m_ServerInfo = value;
}
}
public IAccount Account {
get {
return m_Account;
}
set {
m_Account = value;
}
}
public override string ToString() {
return m_ToString;
}
private static List<NetState> m_Instances = new List<NetState>();
public static List<NetState> Instances {
get {
return m_Instances;
}
}
private static BufferPool m_ReceiveBufferPool = new BufferPool( "Receive", 2048, 2048 );
public NetState( Socket socket, MessagePump messagePump )
{
m_Socket = socket;
m_Buffer = new ByteQueue();
m_Seeded = false;
m_Running = false;
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 = DateTime.Now + TimeSpan.FromMinutes( 0.5 );
m_Instances.Add( this );
try {
m_Address = Utility.Intern( ( ( IPEndPoint ) m_Socket.RemoteEndPoint ).Address );
m_ToString = m_Address.ToString();
} catch ( Exception ex ) {
TraceException( ex );
m_Address = IPAddress.None;
m_ToString = "(error)";
}
m_ConnectedOn = DateTime.Now;
if ( m_CreatedCallback != null )
{
m_CreatedCallback( this );
}
}
public virtual void Send( Packet p ) {
if ( m_Socket == null || m_BlockAllPackets ) {
p.OnSend();
return;
}
PacketSendProfile prof = PacketSendProfile.Acquire( p.GetType() );
int length;
byte[] buffer = p.Compile( m_CompressionEnabled, out length );
if ( buffer != null ) {
if ( buffer.Length <= 0 || length <= 0 ) {
p.OnSend();
return;
}
if ( prof != null ) {
prof.Start();
}
if ( m_Encoder != null ) {
m_Encoder.EncodeOutgoingPacket( this, ref buffer, ref length );
}
try {
SendQueue.Gram gram;
lock ( m_SendQueue ) {
gram = m_SendQueue.Enqueue( buffer, length );
}
if ( gram != null ) {
#if Framework_4_0
m_SendEventArgs.SetBuffer( gram.Buffer, 0, gram.Length );
Send_Start();
#else
try {
m_Socket.BeginSend( gram.Buffer, 0, gram.Length, SocketFlags.None, m_OnSend, m_Socket );
} catch ( Exception ex ) {
TraceException( ex );
Dispose( false );
}
#endif
}
} catch ( CapacityExceededException ) {
Console.WriteLine( "Client: {0}: Too much data pending, disconnecting...", this );
Dispose( false );
}
p.OnSend();
if ( prof != null ) {
prof.Finish( length );
}
} else {
Console.WriteLine( "Client: {0}: null buffer send, disconnecting...", this );
using ( StreamWriter op = new StreamWriter( "null_send.log", true ) )
{
op.WriteLine( "{0} Client: {1}: null buffer send, disconnecting...", DateTime.Now, this );
op.WriteLine( new System.Diagnostics.StackTrace() );
}
Dispose();
}
}
#if Framework_4_0
public void Start() {
m_ReceiveEventArgs = new SocketAsyncEventArgs();
m_ReceiveEventArgs.Completed += new EventHandler<SocketAsyncEventArgs>( Receive_Completion );
m_ReceiveEventArgs.SetBuffer( m_RecvBuffer, 0, m_RecvBuffer.Length );
m_SendEventArgs = new SocketAsyncEventArgs();
m_SendEventArgs.Completed += new EventHandler<SocketAsyncEventArgs>( Send_Completion );
m_Running = true;
if ( m_Socket == null || m_Paused ) {
return;
}
Receive_Start();
}
private void Receive_Start()
{
try {
bool result = false;
do {
lock ( m_AsyncLock ) {
if ( ( m_AsyncState & ( AsyncState.Pending | AsyncState.Paused ) ) == 0 ) {
m_AsyncState |= AsyncState.Pending;
result = !m_Socket.ReceiveAsync( m_ReceiveEventArgs );
if ( result )
Receive_Process( m_ReceiveEventArgs );
}
}
} while ( result );
} catch ( Exception ex ) {
TraceException( ex );
Dispose( false );
}
}
private void Receive_Completion( object sender, SocketAsyncEventArgs e )
{
Receive_Process( e );
if ( !m_Disposing )
Receive_Start();
}
private void Receive_Process( SocketAsyncEventArgs e )
{
int byteCount = e.BytesTransferred;
if ( e.SocketError != SocketError.Success || byteCount <= 0 ) {
Dispose( false );
return;
}
m_NextCheckActivity = DateTime.Now + TimeSpan.FromMinutes( 1.2 );
byte[] buffer = m_RecvBuffer;
if ( m_Encoder != null )
m_Encoder.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;
}
}
private void Send_Start()
{
try {
bool result = false;
do {
result = !m_Socket.SendAsync( m_SendEventArgs );
if ( result )
Send_Process( m_SendEventArgs );
} while ( result );
} catch ( Exception ex ) {
TraceException( ex );
Dispose( false );
}
}
private void Send_Completion( object sender, SocketAsyncEventArgs e )
{
Send_Process( e );
if ( m_Disposing )
return;
if ( m_CoalesceSleep >= 0 ) {
Thread.Sleep( m_CoalesceSleep );
}
SendQueue.Gram gram;
lock ( m_SendQueue ) {
gram = m_SendQueue.Dequeue();
}
if ( gram != null ) {
m_SendEventArgs.SetBuffer( gram.Buffer, 0, gram.Length );
Send_Start();
}
}
private void Send_Process( SocketAsyncEventArgs e )
{
int bytes = e.BytesTransferred;
if ( e.SocketError != SocketError.Success || bytes <= 0 ) {
Dispose( false );
return;
}
m_NextCheckActivity = DateTime.Now + TimeSpan.FromMinutes( 1.2 );
}
public static void Pause() {
m_Paused = true;
for ( int i = 0; i < m_Instances.Count; ++i ) {
NetState ns = m_Instances[i];
lock ( ns.m_AsyncLock ) {
ns.m_AsyncState |= AsyncState.Paused;
}
}
}
public static void Resume() {
m_Paused = false;
for ( int i = 0; i < m_Instances.Count; ++i ) {
NetState ns = m_Instances[i];
if ( ns.m_Socket == null ) {
continue;
}
lock ( ns.m_AsyncLock ) {
ns.m_AsyncState &= ~AsyncState.Paused;
if ( ( ns.m_AsyncState & AsyncState.Pending ) == 0 )
ns.Receive_Start();
}
}
}
public bool Flush() {
if ( m_Socket == null || !m_SendQueue.IsFlushReady ) {
return false;
}
SendQueue.Gram gram;
lock ( m_SendQueue ) {
gram = m_SendQueue.CheckFlushReady();
}
if ( gram != null ) {
m_SendEventArgs.SetBuffer( gram.Buffer, 0, gram.Length );
Send_Start();
}
return false;
}
#else
public void Start() {
m_OnReceive = new AsyncCallback( OnReceive );
m_OnSend = new AsyncCallback( OnSend );
m_Running = true;
if ( m_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;
m_Socket.BeginReceive( m_RecvBuffer, 0, m_RecvBuffer.Length, SocketFlags.None, m_OnReceive, m_Socket );
}
private void OnReceive( IAsyncResult asyncResult ) {
Socket s = (Socket)asyncResult.AsyncState;
try {
int byteCount = s.EndReceive( asyncResult );
if ( byteCount > 0 ) {
m_NextCheckActivity = DateTime.Now + TimeSpan.FromMinutes( 1.2 );
byte[] buffer = m_RecvBuffer;
if ( m_Encoder != null )
m_Encoder.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 ) {
Socket s = (Socket)asyncResult.AsyncState;
try {
int bytes = s.EndSend( asyncResult );
if ( bytes <= 0 ) {
Dispose( false );
return;
}
m_NextCheckActivity = DateTime.Now + TimeSpan.FromMinutes( 1.2 );
if ( m_CoalesceSleep >= 0 ) {
Thread.Sleep( m_CoalesceSleep );
}
SendQueue.Gram gram;
lock ( m_SendQueue ) {
gram = m_SendQueue.Dequeue();
}
if ( gram != null ) {
try {
s.BeginSend( gram.Buffer, 0, gram.Length, SocketFlags.None, m_OnSend, s );
} catch ( Exception ex ) {
TraceException( ex );
Dispose( false );
}
}
} catch ( Exception ){
Dispose( false );
}
}
public static void Pause() {
m_Paused = true;
for ( int i = 0; i < m_Instances.Count; ++i ) {
NetState ns = m_Instances[i];
lock ( ns.m_AsyncLock ) {
ns.m_AsyncState |= AsyncState.Paused;
}
}
}
public static void Resume() {
m_Paused = false;
for ( int i = 0; i < m_Instances.Count; ++i ) {
NetState ns = m_Instances[i];
if ( ns.m_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 ( m_Socket == null || !m_SendQueue.IsFlushReady ) {
return false;
}
SendQueue.Gram gram;
lock ( m_SendQueue ) {
gram = m_SendQueue.CheckFlushReady();
}
if ( gram != null ) {
try {
m_Socket.BeginSend( gram.Buffer, 0, gram.Length, SocketFlags.None, m_OnSend, m_Socket );
return true;
} catch ( Exception ex ) {
TraceException( ex );
Dispose( false );
}
}
return false;
}
#endif
public PacketHandler GetHandler( int packetID )
{
if ( ContainerGridLines )
return PacketHandlers.Get6017Handler( packetID );
else
return PacketHandlers.GetHandler( packetID );
}
public static void FlushAll() {
for ( int i = 0; i < m_Instances.Count; ++i ) {
NetState ns = m_Instances[i];
ns.Flush();
}
}
private static int m_CoalesceSleep = -1;
public static int CoalesceSleep {
get {
return m_CoalesceSleep;
}
set {
m_CoalesceSleep = value;
}
}
private DateTime m_NextCheckActivity;
public bool CheckAlive() {
if ( m_Socket == null )
return false;
if ( DateTime.Now < m_NextCheckActivity ) {
return true;
}
Console.WriteLine( "Client: {0}: Disconnecting due to inactivity...", this );
Dispose();
return false;
}
public static void TraceException( Exception ex ) {
try {
using ( StreamWriter op = new StreamWriter( "network-errors.log", true ) ) {
op.WriteLine( "# {0}", DateTime.Now );
op.WriteLine( ex );
op.WriteLine();
op.WriteLine();
}
} catch {
}
try {
Console.WriteLine( ex );
} catch {
}
}
private bool m_Disposing;
public void Dispose() {
Dispose( true );
}
public virtual void Dispose( bool flush ) {
if ( m_Socket == null || m_Disposing ) {
return;
}
m_Disposing = true;
if ( flush )
flush = Flush();
try {
m_Socket.Shutdown( SocketShutdown.Both );
} catch ( SocketException ex ) {
TraceException( ex );
}
try {
m_Socket.Close();
} catch ( SocketException ex ) {
TraceException( ex );
}
if ( m_RecvBuffer != null )
m_ReceiveBufferPool.ReleaseBuffer( m_RecvBuffer );
m_Socket = null;
m_Buffer = null;
m_RecvBuffer = null;
#if Framework_4_0
m_ReceiveEventArgs = null;
m_SendEventArgs = null;
#else
m_OnReceive = null;
m_OnSend = null;
#endif
m_Running = false;
m_Disposed.Enqueue( this );
if ( /*!flush &&*/ !m_SendQueue.IsEmpty ) {
lock ( m_SendQueue )
m_SendQueue.Clear();
}
}
public static void Initialize() {
Timer.DelayCall( TimeSpan.FromMinutes( 1.0 ), TimeSpan.FromMinutes( 1.5 ), new TimerCallback( CheckAllAlive ) );
}
public static void CheckAllAlive() {
try {
for ( int i = 0; i < m_Instances.Count; ++i ) {
m_Instances[i].CheckAlive();
}
} catch ( Exception ex ) {
TraceException( ex );
}
}
private static Queue m_Disposed = Queue.Synchronized( new Queue() );
public static void ProcessDisposedQueue() {
int breakout = 0;
while ( breakout < 200 && m_Disposed.Count > 0 ) {
++breakout;
NetState ns = ( NetState ) m_Disposed.Dequeue();
Mobile m = ns.m_Mobile;
IAccount a = ns.m_Account;
if ( m != null ) {
m.NetState = null;
ns.m_Mobile = null;
}
ns.m_Gumps.Clear();
ns.m_Menus.Clear();
ns.m_HuePickers.Clear();
ns.m_Account = null;
ns.m_ServerInfo = null;
ns.m_CityInfo = null;
m_Instances.Remove( ns );
if ( a != null ) {
ns.WriteConsole( "Disconnected. [{0} Online] [{1}]", m_Instances.Count, a );
} else {
ns.WriteConsole( "Disconnected. [{0} Online]", m_Instances.Count );
}
}
}
public bool Running {
get {
return m_Running;
}
}
public bool Seeded {
get {
return m_Seeded;
}
set {
m_Seeded = value;
}
}
public Socket Socket {
get {
return m_Socket;
}
}
public ByteQueue Buffer {
get {
return m_Buffer;
}
}
public ExpansionInfo ExpansionInfo {
get {
for ( int i = ExpansionInfo.Table.Length - 1; i >= 0; i-- ) {
ExpansionInfo info = ExpansionInfo.Table[i];
if ( ( info.RequiredClient != null && this.Version >= info.RequiredClient ) || ( ( this.Flags & info.ClientFlags ) != 0 ) ) {
return info;
}
}
return ExpansionInfo.GetInfo( Expansion.None );
}
}
public Expansion Expansion {
get {
return ( Expansion ) this.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 ( this.Version >= info.RequiredClient );
return ( ( this.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 );
}
}
}
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