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820
Esyur/Net/Packets/IIPPacket.cs
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820
Esyur/Net/Packets/IIPPacket.cs
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@ -0,0 +1,820 @@
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/*
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Copyright (c) 2017 Ahmed Kh. Zamil
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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using Esyur.Data;
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using Esyur.Core;
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using Esyur.Misc;
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using Esyur.Net.Packets;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace Esyur.Net.Packets
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{
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class IIPPacket : Packet
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{
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public override string ToString()
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{
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var rt = Command.ToString();
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if (Command == IIPPacketCommand.Event)
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{
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rt += " " + Event.ToString();
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//if (Event == IIPPacketEvent.AttributesUpdated)
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// rt +=
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}
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else if (Command == IIPPacketCommand.Request)
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{
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rt += " " + Action.ToString();
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if (Action == IIPPacketAction.AttachResource)
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{
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rt += " CID: " + CallbackId + " RID: " + ResourceId;
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}
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}
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else if (Command == IIPPacketCommand.Reply)
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rt += " " + Action.ToString();
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else if (Command == IIPPacketCommand.Report)
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rt += " " + Report.ToString();
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return rt;
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}
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public enum IIPPacketCommand : byte
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{
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Event = 0,
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Request,
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Reply,
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Report,
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}
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public enum IIPPacketEvent : byte
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{
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// Event Manage
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ResourceReassigned = 0,
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ResourceDestroyed,
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ChildAdded,
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ChildRemoved,
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Renamed,
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// Event Invoke
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PropertyUpdated = 0x10,
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EventOccurred,
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// Attribute
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AttributesUpdated = 0x18
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}
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public enum IIPPacketAction : byte
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{
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// Request Manage
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AttachResource = 0,
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ReattachResource,
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DetachResource,
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CreateResource,
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DeleteResource,
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AddChild,
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RemoveChild,
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RenameResource,
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// Request Inquire
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TemplateFromClassName = 0x8,
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TemplateFromClassId,
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TemplateFromResourceId,
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QueryLink,
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ResourceHistory,
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ResourceChildren,
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ResourceParents,
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// Request Invoke
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InvokeFunctionArrayArguments = 0x10,
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GetProperty,
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GetPropertyIfModified,
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SetProperty,
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InvokeFunctionNamedArguments,
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// Request Attribute
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GetAllAttributes = 0x18,
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UpdateAllAttributes,
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ClearAllAttributes,
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GetAttributes,
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UpdateAttributes,
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ClearAttributes
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}
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public enum IIPPacketReport : byte
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{
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ManagementError,
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ExecutionError,
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ProgressReport = 0x8,
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ChunkStream = 0x9
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}
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public IIPPacketReport Report
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{
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get;
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set;
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}
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public IIPPacketCommand Command
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{
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get;
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set;
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}
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public IIPPacketAction Action
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{
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get;
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set;
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}
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public IIPPacketEvent Event
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{
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get;
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set;
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}
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public IIPPacketCommand PreviousCommand
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{
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get;
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set;
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}
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public IIPPacketAction PreviousAction
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{
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get;
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set;
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}
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public IIPPacketEvent PreviousEvent
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{
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get;
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set;
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}
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public uint ResourceId { get; set; }
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public uint NewResourceId { get; set; }
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//public uint ParentId { get; set; }
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public uint ChildId { get; set; }
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public uint StoreId { get; set; }
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public ulong ResourceAge { get; set; }
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public byte[] Content { get; set; }
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public ushort ErrorCode { get; set; }
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public string ErrorMessage { get; set; }
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public string ClassName { get; set; }
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public string ResourceLink { get; set; }
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public Guid ClassId { get; set; }
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public byte MethodIndex { get; set; }
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public string MethodName { get; set; }
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public uint CallbackId { get; set; }
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public int ProgressValue { get; set; }
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public int ProgressMax { get; set; }
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public DateTime FromDate { get; set; }
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public DateTime ToDate { get; set; }
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public ulong FromAge { get; set; }
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public ulong ToAge { get; set; }
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private uint dataLengthNeeded;
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private uint originalOffset;
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public override bool Compose()
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{
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return base.Compose();
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}
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bool NotEnough(uint offset, uint ends, uint needed)
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{
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if (offset + needed > ends)
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{
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dataLengthNeeded = needed - (ends - offset);
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//dataLengthNeeded = needed - (ends - originalOffset);
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return true;
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}
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else
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return false;
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}
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public override long Parse(byte[] data, uint offset, uint ends)
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{
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originalOffset = offset;
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if (NotEnough(offset, ends, 1))
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return -dataLengthNeeded;
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PreviousCommand = Command;
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Command = (IIPPacketCommand)(data[offset] >> 6);
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if (Command == IIPPacketCommand.Event)
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{
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Event = (IIPPacketEvent)(data[offset++] & 0x3f);
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if (NotEnough(offset, ends, 4))
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return -dataLengthNeeded;
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ResourceId = data.GetUInt32(offset);
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offset += 4;
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}
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else if (Command == IIPPacketCommand.Report)
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{
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Report = (IIPPacketReport)(data[offset++] & 0x3f);
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if (NotEnough(offset, ends, 4))
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return -dataLengthNeeded;
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CallbackId = data.GetUInt32(offset);
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offset += 4;
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}
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else
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{
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PreviousAction = Action;
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Action = (IIPPacketAction)(data[offset++] & 0x3f);
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if (NotEnough(offset, ends, 4))
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return -dataLengthNeeded;
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CallbackId = data.GetUInt32(offset);
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offset += 4;
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}
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if (Command == IIPPacketCommand.Event)
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{
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if (Event == IIPPacketEvent.ResourceReassigned)
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{
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if (NotEnough(offset, ends, 4))
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return -dataLengthNeeded;
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NewResourceId = data.GetUInt32(offset);
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offset += 4;
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}
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else if (Event == IIPPacketEvent.ResourceDestroyed)
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{
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// nothing to parse
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}
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else if (Event == IIPPacketEvent.ChildAdded
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|| Event == IIPPacketEvent.ChildRemoved)
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{
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if (NotEnough(offset, ends, 4))
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return -dataLengthNeeded;
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ChildId = data.GetUInt32(offset);
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offset += 4;
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}
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else if (Event == IIPPacketEvent.Renamed)
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{
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if (NotEnough(offset, ends, 2))
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return -dataLengthNeeded;
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var cl = data.GetUInt16(offset);
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offset += 2;
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if (NotEnough(offset, ends, cl))
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return -dataLengthNeeded;
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Content = data.Clip(offset, cl);
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offset += cl;
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}
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else if (Event == IIPPacketEvent.PropertyUpdated)
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{
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if (NotEnough(offset, ends, 2))
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return -dataLengthNeeded;
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MethodIndex = data[offset++];
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var dt = (DataType)data[offset++];
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var size = dt.Size();// Codec.SizeOf(dt);
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if (size < 0)
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{
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if (NotEnough(offset, ends, 4))
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return -dataLengthNeeded;
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var cl = data.GetUInt32(offset);
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offset += 4;
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if (NotEnough(offset, ends, cl))
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return -dataLengthNeeded;
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Content = data.Clip(offset - 5, cl + 5);
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offset += cl;
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}
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else
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{
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if (NotEnough(offset, ends, (uint)size))
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return -dataLengthNeeded;
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Content = data.Clip(offset - 1, (uint)size + 1);
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offset += (uint)size;
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}
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}
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else if (Event == IIPPacketEvent.EventOccurred)
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{
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if (NotEnough(offset, ends, 5))
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return -dataLengthNeeded;
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MethodIndex = data[offset++];
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var cl = data.GetUInt32(offset);
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offset += 4;
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Content = data.Clip(offset, cl);
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offset += cl;
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}
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// Attribute
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else if (Event == IIPPacketEvent.AttributesUpdated)
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{
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if (NotEnough(offset, ends, 4))
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return -dataLengthNeeded;
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var cl = data.GetUInt32(offset);
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offset += 4;
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if (NotEnough(offset, ends, cl))
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return -dataLengthNeeded;
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Content = data.Clip(offset, cl);
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offset += cl;
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}
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}
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else if (Command == IIPPacketCommand.Request)
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{
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if (Action == IIPPacketAction.AttachResource)
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{
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if (NotEnough(offset, ends, 4))
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return -dataLengthNeeded;
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ResourceId = data.GetUInt32(offset);
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offset += 4;
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}
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else if (Action == IIPPacketAction.ReattachResource)
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{
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if (NotEnough(offset, ends, 12))
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return -dataLengthNeeded;
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ResourceId = data.GetUInt32(offset);
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offset += 4;
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ResourceAge = data.GetUInt64(offset);
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offset += 8;
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}
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else if (Action == IIPPacketAction.DetachResource)
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{
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if (NotEnough(offset, ends, 4))
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return -dataLengthNeeded;
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ResourceId = data.GetUInt32(offset);
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offset += 4;
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}
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else if (Action == IIPPacketAction.CreateResource)
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{
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if (NotEnough(offset, ends, 12))
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return -dataLengthNeeded;
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StoreId = data.GetUInt32(offset);
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offset += 4;
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ResourceId = data.GetUInt32(offset);
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offset += 4;
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var cl = data.GetUInt32(offset);
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offset += 4;
|
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|
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if (NotEnough(offset, ends, cl))
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return -dataLengthNeeded;
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this.Content = data.Clip(offset, cl);
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}
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else if (Action == IIPPacketAction.DeleteResource)
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{
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if (NotEnough(offset, ends, 4))
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return -dataLengthNeeded;
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ResourceId = data.GetUInt32(offset);
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offset += 4;
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|
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}
|
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else if (Action == IIPPacketAction.AddChild
|
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|| Action == IIPPacketAction.RemoveChild)
|
||||
{
|
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if (NotEnough(offset, ends, 8))
|
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return -dataLengthNeeded;
|
||||
|
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ResourceId = data.GetUInt32(offset);
|
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offset += 4;
|
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ChildId = data.GetUInt32(offset);
|
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offset += 4;
|
||||
}
|
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else if (Action == IIPPacketAction.RenameResource)
|
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{
|
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if (NotEnough(offset, ends, 6))
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return -dataLengthNeeded;
|
||||
|
||||
ResourceId = data.GetUInt32(offset);
|
||||
offset += 4;
|
||||
var cl = data.GetUInt16(offset);
|
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offset += 2;
|
||||
|
||||
if (NotEnough(offset, ends, cl))
|
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return -dataLengthNeeded;
|
||||
|
||||
Content = data.Clip(offset, cl);
|
||||
offset += cl;
|
||||
}
|
||||
else if (Action == IIPPacketAction.TemplateFromClassName)
|
||||
{
|
||||
if (NotEnough(offset, ends, 1))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
var cl = data[offset++];
|
||||
|
||||
if (NotEnough(offset, ends, cl))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
ClassName = data.GetString(offset, cl);
|
||||
offset += cl;
|
||||
|
||||
}
|
||||
else if (Action == IIPPacketAction.TemplateFromClassId)
|
||||
{
|
||||
if (NotEnough(offset, ends, 16))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
ClassId = data.GetGuid(offset);
|
||||
offset += 16;
|
||||
|
||||
}
|
||||
else if (Action == IIPPacketAction.TemplateFromResourceId)
|
||||
{
|
||||
if (NotEnough(offset, ends, 4))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
ResourceId = data.GetUInt32(offset);
|
||||
offset += 4;
|
||||
}
|
||||
else if (Action == IIPPacketAction.QueryLink)
|
||||
{
|
||||
if (NotEnough(offset, ends, 2))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
var cl = data.GetUInt16(offset);
|
||||
offset += 2;
|
||||
|
||||
if (NotEnough(offset, ends, cl))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
ResourceLink = data.GetString(offset, cl);
|
||||
offset += cl;
|
||||
}
|
||||
else if (Action == IIPPacketAction.ResourceChildren
|
||||
|| Action == IIPPacketAction.ResourceParents)
|
||||
{
|
||||
if (NotEnough(offset, ends, 4))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
ResourceId = data.GetUInt32(offset);
|
||||
offset += 4;
|
||||
}
|
||||
else if (Action == IIPPacketAction.ResourceHistory)
|
||||
{
|
||||
if (NotEnough(offset, ends, 20))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
ResourceId = data.GetUInt32(offset);
|
||||
offset += 4;
|
||||
|
||||
FromDate = data.GetDateTime(offset);
|
||||
offset += 8;
|
||||
|
||||
ToDate = data.GetDateTime(offset);
|
||||
offset += 8;
|
||||
|
||||
}
|
||||
else if (Action == IIPPacketAction.InvokeFunctionArrayArguments
|
||||
|| Action == IIPPacketAction.InvokeFunctionNamedArguments)
|
||||
{
|
||||
if (NotEnough(offset, ends, 9))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
ResourceId = data.GetUInt32(offset);
|
||||
offset += 4;
|
||||
|
||||
MethodIndex = data[offset++];
|
||||
|
||||
var cl = data.GetUInt32(offset);
|
||||
offset += 4;
|
||||
|
||||
if (NotEnough(offset, ends, cl))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
Content = data.Clip(offset, cl);
|
||||
offset += cl;
|
||||
|
||||
}
|
||||
else if (Action == IIPPacketAction.GetProperty)
|
||||
{
|
||||
if (NotEnough(offset, ends, 5))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
ResourceId = data.GetUInt32(offset);
|
||||
offset += 4;
|
||||
|
||||
MethodIndex = data[offset++];
|
||||
|
||||
}
|
||||
else if (Action == IIPPacketAction.GetPropertyIfModified)
|
||||
{
|
||||
if (NotEnough(offset, ends, 9))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
ResourceId = data.GetUInt32(offset);
|
||||
offset += 4;
|
||||
|
||||
MethodIndex = data[offset++];
|
||||
|
||||
ResourceAge = data.GetUInt64(offset);
|
||||
offset += 8;
|
||||
|
||||
}
|
||||
else if (Action == IIPPacketAction.SetProperty)
|
||||
{
|
||||
if (NotEnough(offset, ends, 6))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
ResourceId = data.GetUInt32(offset);
|
||||
offset += 4;
|
||||
|
||||
MethodIndex = data[offset++];
|
||||
|
||||
|
||||
var dt = (DataType)data[offset++];
|
||||
var size = dt.Size();// Codec.SizeOf(dt);
|
||||
|
||||
if (size < 0)
|
||||
{
|
||||
if (NotEnough(offset, ends, 4))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
var cl = data.GetUInt32(offset);
|
||||
offset += 4;
|
||||
|
||||
if (NotEnough(offset, ends, cl))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
Content = data.Clip(offset - 5, cl + 5);
|
||||
offset += cl;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (NotEnough(offset, ends, (uint)size))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
Content = data.Clip(offset - 1, (uint)size + 1);
|
||||
offset += (uint)size;
|
||||
}
|
||||
}
|
||||
// Attributes
|
||||
else if (Action == IIPPacketAction.UpdateAllAttributes
|
||||
|| Action == IIPPacketAction.GetAttributes
|
||||
|| Action == IIPPacketAction.UpdateAttributes
|
||||
|| Action == IIPPacketAction.ClearAttributes)
|
||||
{
|
||||
if (NotEnough(offset, ends, 8))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
ResourceId = data.GetUInt32(offset);
|
||||
offset += 4;
|
||||
var cl = data.GetUInt32(offset);
|
||||
offset += 4;
|
||||
|
||||
if (NotEnough(offset, ends, cl))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
Content = data.Clip(offset, cl);
|
||||
offset += cl;
|
||||
}
|
||||
}
|
||||
else if (Command == IIPPacketCommand.Reply)
|
||||
{
|
||||
if (Action == IIPPacketAction.AttachResource
|
||||
|| Action == IIPPacketAction.ReattachResource)
|
||||
{
|
||||
|
||||
if (NotEnough(offset, ends, 26))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
ClassId = data.GetGuid(offset);
|
||||
offset += 16;
|
||||
|
||||
ResourceAge = data.GetUInt64(offset);
|
||||
offset += 8;
|
||||
|
||||
uint cl = data.GetUInt16(offset);
|
||||
offset += 2;
|
||||
|
||||
if (NotEnough(offset, ends, cl))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
ResourceLink = data.GetString(offset, cl);
|
||||
offset += cl;
|
||||
|
||||
if (NotEnough(offset, ends, 4))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
cl = data.GetUInt32(offset);
|
||||
offset += 4;
|
||||
|
||||
if (NotEnough(offset, ends, cl))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
Content = data.Clip(offset, cl);
|
||||
offset += cl;
|
||||
}
|
||||
else if (Action == IIPPacketAction.DetachResource)
|
||||
{
|
||||
// nothing to do
|
||||
}
|
||||
else if (Action == IIPPacketAction.CreateResource)
|
||||
{
|
||||
if (NotEnough(offset, ends, 20))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
//ClassId = data.GetGuid(offset);
|
||||
//offset += 16;
|
||||
|
||||
ResourceId = data.GetUInt32(offset);
|
||||
offset += 4;
|
||||
|
||||
}
|
||||
else if (Action == IIPPacketAction.DetachResource)
|
||||
{
|
||||
// nothing to do
|
||||
}
|
||||
// Inquire
|
||||
else if (Action == IIPPacketAction.TemplateFromClassName
|
||||
|| Action == IIPPacketAction.TemplateFromClassId
|
||||
|| Action == IIPPacketAction.TemplateFromResourceId
|
||||
|| Action == IIPPacketAction.QueryLink
|
||||
|| Action == IIPPacketAction.ResourceChildren
|
||||
|| Action == IIPPacketAction.ResourceParents
|
||||
|| Action == IIPPacketAction.ResourceHistory
|
||||
// Attribute
|
||||
|| Action == IIPPacketAction.GetAllAttributes
|
||||
|| Action == IIPPacketAction.GetAttributes)
|
||||
{
|
||||
if (NotEnough(offset, ends, 4))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
var cl = data.GetUInt32(offset);
|
||||
offset += 4;
|
||||
|
||||
if (NotEnough(offset, ends, cl))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
Content = data.Clip(offset, cl);
|
||||
offset += cl;
|
||||
}
|
||||
else if (Action == IIPPacketAction.InvokeFunctionArrayArguments
|
||||
|| Action == IIPPacketAction.InvokeFunctionNamedArguments
|
||||
|| Action == IIPPacketAction.GetProperty
|
||||
|| Action == IIPPacketAction.GetPropertyIfModified)
|
||||
{
|
||||
if (NotEnough(offset, ends, 1))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
var dt = (DataType)data[offset++];
|
||||
var size = dt.Size();// Codec.SizeOf(dt);
|
||||
|
||||
if (size < 0)
|
||||
{
|
||||
if (NotEnough(offset, ends, 4))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
var cl = data.GetUInt32(offset);
|
||||
offset += 4;
|
||||
|
||||
if (NotEnough(offset, ends, cl))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
Content = data.Clip(offset - 5, cl + 5);
|
||||
offset += cl;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (NotEnough(offset, ends, (uint)size))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
Content = data.Clip(offset - 1, (uint)size + 1);
|
||||
offset += (uint)size;
|
||||
}
|
||||
}
|
||||
else if (Action == IIPPacketAction.SetProperty)
|
||||
{
|
||||
// nothing to do
|
||||
}
|
||||
}
|
||||
else if (Command == IIPPacketCommand.Report)
|
||||
{
|
||||
if (Report == IIPPacketReport.ManagementError)
|
||||
{
|
||||
if (NotEnough(offset, ends, 2))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
ErrorCode = data.GetUInt16(offset);
|
||||
offset += 2;
|
||||
}
|
||||
else if (Report == IIPPacketReport.ExecutionError)
|
||||
{
|
||||
if (NotEnough(offset, ends, 2))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
ErrorCode = data.GetUInt16(offset);
|
||||
offset += 2;
|
||||
|
||||
if (NotEnough(offset, ends, 2))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
var cl = data.GetUInt16(offset);
|
||||
offset += 2;
|
||||
|
||||
if (NotEnough(offset, ends, cl))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
ErrorMessage = data.GetString(offset, cl);
|
||||
offset += cl;
|
||||
}
|
||||
else if (Report == IIPPacketReport.ProgressReport)
|
||||
{
|
||||
if (NotEnough(offset, ends, 8))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
ProgressValue = data.GetInt32(offset);
|
||||
offset += 4;
|
||||
ProgressMax = data.GetInt32(offset);
|
||||
offset += 4;
|
||||
}
|
||||
else if (Report == IIPPacketReport.ChunkStream)
|
||||
{
|
||||
if (NotEnough(offset, ends, 1))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
var dt = (DataType)data[offset++];
|
||||
var size = dt.Size();// Codec.SizeOf(dt);
|
||||
|
||||
if (size < 0)
|
||||
{
|
||||
if (NotEnough(offset, ends, 4))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
var cl = data.GetUInt32(offset);
|
||||
offset += 4;
|
||||
|
||||
if (NotEnough(offset, ends, cl))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
Content = data.Clip(offset - 5, cl + 5);
|
||||
offset += cl;
|
||||
}
|
||||
else
|
||||
{
|
||||
if (NotEnough(offset, ends, (uint)size))
|
||||
return -dataLengthNeeded;
|
||||
|
||||
Content = data.Clip(offset - 1, (uint)size + 1);
|
||||
offset += (uint)size;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return offset - originalOffset;
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user