C# PacketReader类代码示例

        /// <summary>
        /// 
        /// </summary>
        /// <param name="netState"></param>
        /// <param name="packetReader"></param>
        internal static void LoginServerConnectFromCharServer( NetState netState, PacketReader packetReader )
        {
            // 错误 不可能有创建
            if ( netState.ExtendData is CharServerExtendData == true )
                return;
            else
                netState.ExtendData = null;

            if ( packetReader.Size < 14/*6 + 8 + ?*/ )
                return;

            // 不检查网络是否活动
            netState.IsCheckActivity = false;

            long l_iCharGUID = packetReader.ReadUInt32();
            long l_iCharPort = packetReader.ReadUInt32();
            string l_strLoginPassword = packetReader.ReadStringSafe();

            if ( l_strLoginPassword == Program.ConfigInfo.LoginPassword )
            {
                CharServerExtendData l_ExtendData = new CharServerExtendData();

                l_ExtendData.IsLoggedIn = true;
                l_ExtendData.CharGUID = l_iCharGUID;
                l_ExtendData.CharHost = netState.NetAddress.ToString();
                l_ExtendData.CharPort = l_iCharPort;

                netState.ExtendData = l_ExtendData;

                Program.CharServerList.Add(l_ExtendData);

                l_ExtendData.ConnectToCharServer( l_ExtendData.CharHost, l_ExtendData.CharPort );
            }
        }

        public MultiplayerServer()
        {
            var reader = new PacketReader();
            PacketReader = reader;
            Clients = new List<IRemoteClient>();
            EnvironmentWorker = new Timer(DoEnvironment);
            PacketHandlers = new PacketHandler[0x100];
            Worlds = new List<IWorld>();
            EntityManagers = new List<IEntityManager>();
            LogProviders = new List<ILogProvider>();
            Scheduler = new EventScheduler(this);
            var blockRepository = new BlockRepository();
            blockRepository.DiscoverBlockProviders();
            BlockRepository = blockRepository;
            var itemRepository = new ItemRepository();
            itemRepository.DiscoverItemProviders();
            ItemRepository = itemRepository;
            BlockProvider.ItemRepository = ItemRepository;
            BlockProvider.BlockRepository = BlockRepository;
            var craftingRepository = new CraftingRepository();
            craftingRepository.DiscoverRecipes();
            CraftingRepository = craftingRepository;
            PendingBlockUpdates = new Queue<BlockUpdate>();
            EnableClientLogging = false;
            QueryProtocol = new TrueCraft.QueryProtocol(this);
            WorldLighters = new List<WorldLighting>();

            AccessConfiguration = Configuration.LoadConfiguration<AccessConfiguration>("access.yaml");

            reader.RegisterCorePackets();
            Handlers.PacketHandlers.RegisterHandlers(this);
        }

 //Void character delete
 void CharacterDelete()
 {
     //Wrap our function in a catcher
     try
     {
         //Create new packet reader
         PacketReader Reader = new PacketReader(PacketInformation.buffer);
         //Skip one not used byte
         Reader.Skip(1);
         //Get character name information
         string CharacterName = Reader.Text();
         //Close packet reader
         Reader.Close();
         //Update and set time + deletion state into the database
         MsSQL.InsertData("UPDATE character SET deletedtime=dateadd(dd,7,getdate()),deleted='1' WHERE name='" + CharacterName + "'");
         //Send visual state of character on screen sit down
         client.Send(Packet.ScreenSuccess(3));
     }
     //Catch bad exception errors
     catch (Exception ex)
     {
         //Write information to the console
         Console.WriteLine("Character deletion error {0}", ex);
         //Write information to debug logger
         Systems.Debugger.Write(ex);
     }
 }

        public override void HandlePacket(Client context, byte flags, byte[] data, uint position, uint size)
        {
            var reader = new PacketReader(data, position, size);
            var charId = reader.ReadUInt32();

            if (context.User == null)
                return;

            if (context.Character == null) // On character create, this is already set.
            {
                using (var db = new PolarisEf())
                {
                    var character = db.Characters.Find((int)charId);

                    if (character == null || character.Player.PlayerId != context.User.PlayerId)
                        return;

                    context.Character = character;
                }

            }

            // Transition to the loading screen
            context.SendPacket(new NoPayloadPacket(0x3, 0x4));

            // TODO Set area, Set character, possibly more. See PolarisLegacy for more.
        }

        public IDataObject Read(PacketReader r)
        {
            ObjectType = r.ReadInt16();
            Status.Read(r);

            return this;
        }

 public void ReadCommand(PacketReader reader)
 {
     BuildingID = reader.ReadInt32();
     Unknown1 = reader.ReadInt32();
     Unknown2 = reader.ReadInt32();
     Unknown3 = reader.ReadInt32();
 }

        public override void OnFilter( PacketReader p, PacketHandlerEventArgs args )
        {
            if ( args.Block )
                return;

            // 0, 1, 2
            Serial serial = p.ReadUInt32(); // 3, 4, 5, 6
            ushort body = p.ReadUInt16(); // 7, 8
            MessageType type = (MessageType)p.ReadByte(); // 9

            if ( type != m_Type )
                return;

            ushort hue = p.ReadUInt16(); // 10, 11
            ushort font = p.ReadUInt16();
            string name = p.ReadStringSafe( 30 );
            string text = p.ReadStringSafe();

            for(int i=0;i<m_Strings.Length;i++)
            {
                if ( text.IndexOf( m_Strings[i] ) != -1 )
                {
                    args.Block = true;
                    return;
                }
            }
        }

 static void LogPacket(StreamWriter sw, bool ClientToServer, byte PacketID, string name, PacketReader pr, params object[] args)
 {
     try
     {
         if (sw == null)
             return;
         bool Suppressed = (ClientToServer && ClientDenyPackets.Contains(PacketID)) ||
                           (!ClientToServer && ServerDenyPackets.Contains(PacketID));
         if (FilterOutput && !Filter.Contains(PacketID))
             return;
         if (ClientToServer && SuppressClient)
             return;
         if (!ClientToServer && SuppressServer)
             return;
         if (ClientToServer)
             sw.WriteLine("{" + DateTime.Now.ToLongTimeString() + "} [CUSTOM CLIENT->SERVER" + (Suppressed ? " SUPPRESSED" : "") + "]: " +
                 name + " (0x" + PacketID.ToString("x") + ")");
         else
             sw.WriteLine("{" + DateTime.Now.ToLongTimeString() + "} [CUSTOM SERVER->CLIENT" + (Suppressed ? " SUPPRESSED" : "") + "]: " +
                 name + " (0x" + PacketID.ToString("x") + ")");
         if (pr.Payload.Length == 0)
             return;
         sw.WriteLine("\t[" + DumpArray(pr.Payload) + "]");
         for (int i = 0; i < args.Length; i += 2)
         {
             if (args[i + 1] is byte[])
                 sw.WriteLine("\t" + args[i].ToString() + " (Byte[]): [" + DumpArray((byte[])args[i + 1]) + "]");
             else
                 sw.WriteLine("\t" + args[i].ToString() + " (" + args[i + 1].GetType().Name + "): " + args[i + 1]);
         }
         sw.Flush();
     }
     catch { }
 }

 public void Connect()
 {
     //Wrap our function inside a catcher
     try
     {
         //Open our packet reader
         PacketReader Reader = new PacketReader(PacketInformation.buffer);
         byte type = Reader.Byte();
         Reader.Skip(3);
         string ID = Reader.Text();
         string PW = Reader.Text();
         Reader.Close();
         //Set login result information
         int LoginResult = LoginUser(ID, ref PW, ref Player, true);
         //If the login is succesfull
         if (LoginResult == 0)
         {
             //Send succes packet
             client.Send(Packet.ConnectSuccess());
         }
         //If the login is wrong
         else
         {
             //Disconnect the user
             client.Disconnect(PacketInformation.Client);
         }
     }
     catch (Exception ex)
     {
         Console.WriteLine("Client connect error {0}", ex);
         Systems.Debugger.Write(ex);
     }
 }

        /////////////////////////////////////////////////////////////////////////////////
        // Friend add response
        /////////////////////////////////////////////////////////////////////////////////
        void FriendAddResponse()
        {
            try
            {
                PacketReader reader = new PacketReader(PacketInformation.buffer);
                int Inviterid = reader.Int32();
                int Myid = reader.Int32();
                byte State = reader.Byte();
                reader.Close();

                Systems sys = GetPlayer(Inviterid);
                if (sys != null)
                {
                    if (State == 0)
                    {
                        //Declined
                        client.Send(Packet.FriendDecline(Character.Information.Name));
                        sys.client.Send(Packet.FriendDecline(Character.Information.Name));
                    }
                    else
                    {
                        //Accepted
                        sys.client.Send(Packet.FriendData(Myid, 2, Character.Information.Name, Character, false));
                        client.Send(Packet.FriendData(Inviterid, 2, sys.Character.Information.Name, sys.Character, false));
                        MsSQL.InsertData("INSERT INTO friends (owner,friend_name,model_info) VALUES ('" + Character.Information.CharacterID + "','" + sys.Character.Information.CharacterID + "','" + sys.Character.Information.Model + "')");
                        MsSQL.InsertData("INSERT INTO friends (owner,friend_name,model_info) VALUES ('" + sys.Character.Information.CharacterID + "','" + Character.Information.CharacterID + "','" + Character.Information.Model + "')");
                    }
                }
            }
            catch (Exception ex)
            {
                Console.WriteLine("Friend Add Response Error {0}", ex);
                Systems.Debugger.Write(ex);
            }
        }

        public void ReadPacket(PacketReader reader)
        {
            UserID = reader.ReadInt64();
            UserToken = reader.ReadString();
            ClientMajorVersion = reader.ReadInt32();
            ClientContentVersion = reader.ReadInt32();
            ClientMinorVersion = reader.ReadInt32();
            FingerprintHash = reader.ReadString();

            Unknown1 = reader.ReadString();

            OpenUDID = reader.ReadString();
            MacAddress = reader.ReadString();
            DeviceModel = reader.ReadString();
            LocaleKey = reader.ReadInt32();
            Language = reader.ReadString();
            AdvertisingGUID = reader.ReadString();
            OsVersion = reader.ReadString();

            Unknown2 = (byte)reader.ReadByte();
            Unknown3 = reader.ReadString();

            AndroidDeviceID = reader.ReadString();
            FacebookDistributionID = reader.ReadString();
            IsAdvertisingTrackingEnabled = reader.ReadBoolean();
            VendorGUID = reader.ReadString();
            Seed = reader.ReadInt32();
        }

 /////////////////////////////////////////////////////////////////////////////////
 // Add new friend
 /////////////////////////////////////////////////////////////////////////////////
 void FriendAdd()
 {
     try
     {
         PacketReader reader = new PacketReader(PacketInformation.buffer);
         short namelenght = reader.Int16();
         string name = reader.String(namelenght);
         reader.Close();
         if (name == Character.Information.Name) return;
         Systems sys = GetPlayerName(name);
         if (sys != null)
         {
             sys.client.Send(Packet.FriendInviteTarget(sys.Character));
         }
         else
         {
             //Packet cannot find user
         }
     }
     catch (Exception ex)
     {
         Console.WriteLine("Friend Add error {0}", ex);
         Systems.Debugger.Write(ex);
     }
 }

 public void OnCreativeInventoryAction(ref PacketReader _pReader, PacketType pt, ref ClientManager _client)
 {
     short slot = _pReader.ReadShort();
     short item_id = _pReader.ReadShort();
     short Quanity = _pReader.ReadShort();
     short Damage = _pReader.ReadShort();
 }

 /// <summary>
 /// Creates a new admin response packet.
 /// </summary>
 /// <param name="buffer">A buffer contaning the packet data.</param>
 public IR_ARP(byte[] buffer) {
     PacketReader reader = new PacketReader(buffer);
     Size = reader.ReadByte();
     Type = (PacketType)reader.ReadByte();
     ReqI = reader.ReadByte();
     Admin = reader.ReadBoolean();
 }

        /////////////////////////////////////////////////////////////////////////
        // Union Apply
        /////////////////////////////////////////////////////////////////////////
        void unionapply()
        {
            try
            {
                //Open our packet reader
                PacketReader Reader = new PacketReader(PacketInformation.buffer);
                //Get target id (Targeted).
                int Target = Reader.Int32();
                //Close reader
                Reader.Close();

                //Get target details
                Systems targetplayer = GetPlayer(Target);
                //Make sure the target is still there
                if (targetplayer != null)
                {
                    //If allready in union
                    if (targetplayer.Character.Network.Guild.UnionActive) return;
                    //Set bools for both players
                    targetplayer.Character.State.UnionApply = true;
                    this.Character.State.UnionApply = true;
                    //Set target player to us
                    targetplayer.Character.Network.TargetID = this.Character.Information.UniqueID;
                    //Send request to targeted player
                    targetplayer.client.Send(Packet.PartyRequest(6, this.Character.Information.UniqueID, 0));
                }
            }
            catch (Exception ex)
            {
                Systems.Debugger.Write(ex);
            }
        }