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Updated to support IIP v3.3

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This commit is contained in:
Ahmed Zamil
2019-05-24 05:38:53 +03:00
parent d215e48761
commit 08e95bd4dc
106 changed files with 6643 additions and 1179 deletions
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29
Esiur/Net/Packets/HTTPRequestPacket.cs
View File

@@ -1,4 +1,29 @@
using System;

/*
Copyright (c) 2017 Ahmed Kh. Zamil
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
@@ -218,7 +243,7 @@ namespace Esiur.Net.Packets
return postSize - (data.Length - headerSize);
if (Headers["content-type"] == "application/x-www-form-urlencoded"
if (Headers["content-type"].StartsWith("application/x-www-form-urlencoded")
|| Headers["content-type"] == ""
|| Headers["content-type"] == null)
{

25
Esiur/Net/Packets/HTTPResponsePacket.cs
View File

@@ -1,4 +1,27 @@
using System;
/*
Copyright (c) 2017 Ahmed Kh. Zamil
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

26
Esiur/Net/Packets/IIPAuthPacket.cs
View File

@@ -1,4 +1,28 @@
 using Esiur.Data;
/*
Copyright (c) 2017 Ahmed Kh. Zamil
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
using Esiur.Data;
using System;
using System.Collections.Generic;
using System.Linq;

417
Esiur/Net/Packets/IIPPacket.cs
View File

@@ -1,4 +1,28 @@
 using Esiur.Data;
/*
Copyright (c) 2017 Ahmed Kh. Zamil
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
using Esiur.Data;
using Esiur.Engine;
using Esiur.Misc;
using Esiur.Net.Packets;
@@ -12,12 +36,39 @@ namespace Esiur.Net.Packets
{
class IIPPacket : Packet
{
public override string ToString()
{
var rt = Command.ToString();
if (Command == IIPPacketCommand.Event)
{
rt += " " + Event.ToString();
//if (Event == IIPPacketEvent.AttributesUpdated)
// rt +=
}
else if (Command == IIPPacketCommand.Request)
{
rt += " " + Action.ToString();
if (Action == IIPPacketAction.AttachResource)
{
rt += " CID: " + CallbackId + " RID: " + ResourceId;
}
}
else if (Command == IIPPacketCommand.Reply)
rt += " " + Action.ToString();
else if (Command == IIPPacketCommand.Report)
rt += " " + Report.ToString();
return rt;
}
public enum IIPPacketCommand : byte
{
Event = 0,
Request,
Reply,
Error,
Report,
}
public enum IIPPacketEvent: byte
@@ -25,10 +76,15 @@ namespace Esiur.Net.Packets
// Event Manage
ResourceReassigned = 0,
ResourceDestroyed,
ChildAdded,
ChildRemoved,
Renamed,
// Event Invoke
PropertyUpdated = 0x10,
EventOccured,
EventOccurred,
// Attribute
AttributesUpdated = 0x18
}
public enum IIPPacketAction : byte
@@ -39,22 +95,49 @@ namespace Esiur.Net.Packets
DetachResource,
CreateResource,
DeleteResource,
AddChild,
RemoveChild,
RenameResource,
// Request Inquire
TemplateFromClassName = 0x8,
TemplateFromClassId,
TemplateFromResourceLink,
TemplateFromResourceId,
ResourceIdFromResourceLink,
QueryLink,
ResourceHistory,
ResourceChildren,
ResourceParents,
// Request Invoke
InvokeFunction = 0x10,
GetProperty,
GetPropertyIfModified,
SetProperty,
// Request Attribute
GetAllAttributes = 0x18,
UpdateAllAttributes,
ClearAllAttributes,
GetAttributes,
UpdateAttributes,
ClearAttributes
}
public enum IIPPacketReport: byte
{
ManagementError,
ExecutionError,
ProgressReport = 0x8,
ChunkStream = 0x9
}
public IIPPacketReport Report
{
get;
set;
}
public IIPPacketCommand Command
{
get;
@@ -72,13 +155,33 @@ namespace Esiur.Net.Packets
set;
}
public IIPPacketCommand PreviousCommand
{
get;
set;
}
public IIPPacketAction PreviousAction
{
get;
set;
}
public IIPPacketEvent PreviousEvent
{
get;
set;
}
public uint ResourceId { get; set; }
public uint NewResourceId { get; set; }
//public uint ParentId { get; set; }
public uint ChildId { get; set; }
public uint StoreId { get; set; }
public uint ResourceAge { get; set; }
public ulong ResourceAge { get; set; }
public byte[] Content { get; set; }
public byte ErrorCode { get; set; }
public ushort ErrorCode { get; set; }
public string ErrorMessage { get; set; }
public string ClassName { get; set; }
public string ResourceLink { get; set; }
@@ -86,8 +189,15 @@ namespace Esiur.Net.Packets
public byte MethodIndex { get; set; }
public string MethodName { get; set; }
public uint CallbackId { get; set; }
public int ProgressValue { get; set; }
public int ProgressMax { get; set; }
public DateTime FromDate { get; set; }
public DateTime ToDate { get; set; }
public ulong FromAge { get; set; }
public ulong ToAge { get; set; }
private uint dataLengthNeeded;
private uint originalOffset;
public override bool Compose()
{
@@ -98,7 +208,9 @@ namespace Esiur.Net.Packets
{
if (offset + needed > ends)
{
dataLengthNeeded = needed - (ends - offset);
//dataLengthNeeded = needed - (ends - offset);
dataLengthNeeded = needed - (ends - originalOffset);
return true;
}
else
@@ -107,13 +219,15 @@ namespace Esiur.Net.Packets
public override long Parse(byte[] data, uint offset, uint ends)
{
var oOffset = offset;
originalOffset = offset;
if (NotEnough(offset, ends, 1))
return -dataLengthNeeded;
Command = (IIPPacketCommand)(data[offset] >> 6);
PreviousCommand = Command;
Command = (IIPPacketCommand)(data[offset] >> 6);
if (Command == IIPPacketCommand.Event)
{
Event = (IIPPacketEvent)(data[offset++] & 0x3f);
@@ -124,8 +238,19 @@ namespace Esiur.Net.Packets
ResourceId = data.GetUInt32(offset);
offset += 4;
}
else if (Command == IIPPacketCommand.Report)
{
Report = (IIPPacketReport)(data[offset++] & 0x3f);
if (NotEnough(offset, ends, 4))
return -dataLengthNeeded;
CallbackId = data.GetUInt32(offset);
offset += 4;
}
else
{
PreviousAction = Action;
Action = (IIPPacketAction)(data[offset++] & 0x3f);
if (NotEnough(offset, ends, 4))
@@ -150,6 +275,30 @@ namespace Esiur.Net.Packets
{
// nothing to parse
}
else if (Event == IIPPacketEvent.ChildAdded
|| Event == IIPPacketEvent.ChildRemoved)
{
if (NotEnough(offset, ends, 4))
return -dataLengthNeeded;
ChildId = data.GetUInt32(offset);
offset += 4;
}
else if(Event == IIPPacketEvent.Renamed)
{
if (NotEnough(offset, ends, 2))
return -dataLengthNeeded;
var cl = data.GetUInt16(offset);
offset += 2;
if (NotEnough(offset, ends, cl))
return -dataLengthNeeded;
Content = data.Clip(offset, cl);
offset += cl;
}
else if (Event == IIPPacketEvent.PropertyUpdated)
{
if (NotEnough(offset, ends, 2))
@@ -183,7 +332,7 @@ namespace Esiur.Net.Packets
offset += (uint)size;
}
}
else if (Event == IIPPacketEvent.EventOccured)
else if (Event == IIPPacketEvent.EventOccurred)
{
if (NotEnough(offset, ends, 5))
return -dataLengthNeeded;
@@ -197,6 +346,22 @@ namespace Esiur.Net.Packets
offset += cl;
}
// Attribute
else if (Event == IIPPacketEvent.AttributesUpdated)
{
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 (Command == IIPPacketCommand.Request)
{
@@ -210,14 +375,14 @@ namespace Esiur.Net.Packets
}
else if (Action == IIPPacketAction.ReattachResource)
{
if (NotEnough(offset, ends, 8))
if (NotEnough(offset, ends, 12))
return -dataLengthNeeded;
ResourceId = data.GetUInt32(offset);
offset += 4;
ResourceAge = data.GetUInt32(offset);
offset += 4;
ResourceAge = data.GetUInt64(offset);
offset += 8;
}
else if (Action == IIPPacketAction.DetachResource)
@@ -231,16 +396,21 @@ namespace Esiur.Net.Packets
}
else if (Action == IIPPacketAction.CreateResource)
{
if (NotEnough(offset, ends, 1))
if (NotEnough(offset, ends, 12))
return -dataLengthNeeded;
var cl = data[offset++];
StoreId = data.GetUInt32(offset);
offset += 4;
ResourceId = data.GetUInt32(offset);
offset += 4;
var cl = data.GetUInt32(offset);
offset += 4;
if (NotEnough(offset, ends, cl))
return -dataLengthNeeded;
ClassName = data.GetString(offset, cl);
offset += cl;
this.Content = data.Clip(offset, cl);
}
else if (Action == IIPPacketAction.DeleteResource)
{
@@ -251,6 +421,33 @@ namespace Esiur.Net.Packets
offset += 4;
}
else if (Action == IIPPacketAction.AddChild
|| Action == IIPPacketAction.RemoveChild)
{
if (NotEnough(offset, ends, 8))
return -dataLengthNeeded;
ResourceId = data.GetUInt32(offset);
offset += 4;
ChildId = data.GetUInt32(offset);
offset += 4;
}
else if (Action == IIPPacketAction.RenameResource)
{
if (NotEnough(offset, ends, 6))
return -dataLengthNeeded;
ResourceId = data.GetUInt32(offset);
offset += 4;
var cl = data.GetUInt16(offset);
offset += 2;
if (NotEnough(offset, ends, cl))
return -dataLengthNeeded;
Content = data.Clip(offset, cl);
offset += cl;
}
else if (Action == IIPPacketAction.TemplateFromClassName)
{
if (NotEnough(offset, ends, 1))
@@ -274,20 +471,6 @@ namespace Esiur.Net.Packets
offset += 16;
}
else if (Action == IIPPacketAction.TemplateFromResourceLink)
{
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.TemplateFromResourceId)
{
if (NotEnough(offset, ends, 4))
@@ -296,7 +479,7 @@ namespace Esiur.Net.Packets
ResourceId = data.GetUInt32(offset);
offset += 4;
}
else if (Action == IIPPacketAction.ResourceIdFromResourceLink)
else if (Action == IIPPacketAction.QueryLink)
{
if (NotEnough(offset, ends, 2))
return -dataLengthNeeded;
@@ -310,6 +493,30 @@ namespace Esiur.Net.Packets
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.InvokeFunction)
{
if (NotEnough(offset, ends, 9))
@@ -351,8 +558,8 @@ namespace Esiur.Net.Packets
MethodIndex = data[offset++];
ResourceAge = data.GetUInt32(offset);
offset += 4;
ResourceAge = data.GetUInt64(offset);
offset += 8;
}
else if (Action == IIPPacketAction.SetProperty)
@@ -392,6 +599,26 @@ namespace Esiur.Net.Packets
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)
{
@@ -405,8 +632,8 @@ namespace Esiur.Net.Packets
ClassId = data.GetGuid(offset);
offset += 16;
ResourceAge = data.GetUInt32(offset);
offset += 4;
ResourceAge = data.GetUInt64(offset);
offset += 8;
uint cl = data.GetUInt16(offset);
offset += 2;
@@ -438,8 +665,8 @@ namespace Esiur.Net.Packets
if (NotEnough(offset, ends, 20))
return -dataLengthNeeded;
ClassId = data.GetGuid(offset);
offset += 16;
//ClassId = data.GetGuid(offset);
//offset += 16;
ResourceId = data.GetUInt32(offset);
offset += 4;
@@ -449,10 +676,17 @@ namespace Esiur.Net.Packets
{
// nothing to do
}
// Inquire
else if (Action == IIPPacketAction.TemplateFromClassName
|| Action == IIPPacketAction.TemplateFromClassId
|| Action == IIPPacketAction.TemplateFromResourceLink
|| Action == IIPPacketAction.TemplateFromResourceId)
|| 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;
@@ -466,20 +700,6 @@ namespace Esiur.Net.Packets
Content = data.Clip(offset, cl);
offset += cl;
}
else if (Action == IIPPacketAction.ResourceIdFromResourceLink)
{
if (NotEnough(offset, ends, 24))
return -dataLengthNeeded;
ClassId = data.GetGuid(offset);
offset += 16;
ResourceId = data.GetUInt32(offset);
offset += 4;
ResourceAge = data.GetUInt32(offset);
offset += 4;
}
else if (Action == IIPPacketAction.InvokeFunction
|| Action == IIPPacketAction.GetProperty
|| Action == IIPPacketAction.GetPropertyIfModified)
@@ -518,33 +738,80 @@ namespace Esiur.Net.Packets
// nothing to do
}
}
else if (Command == IIPPacketCommand.Error)
else if (Command == IIPPacketCommand.Report)
{
// Error
if (NotEnough(offset, ends, 4))
return -dataLengthNeeded;
if (Report == IIPPacketReport.ManagementError)
{
if (NotEnough(offset, ends, 2))
return -dataLengthNeeded;
CallbackId = data.GetUInt32(offset);
ErrorCode = data.GetUInt16(offset);
offset += 2;
}
else if (Report == IIPPacketReport.ExecutionError)
{
if (NotEnough(offset, ends, 2))
return -dataLengthNeeded;
if (NotEnough(offset, ends, 1))
return -dataLengthNeeded;
ErrorCode = data.GetUInt16(offset);
offset += 2;
ErrorCode = data[offset++];
if (NotEnough(offset, ends, 2))
return -dataLengthNeeded;
if (NotEnough(offset, ends, 4))
return -dataLengthNeeded;
var cl = data.GetUInt16(offset);
offset += 2;
var cl = data.GetUInt32(offset);
offset += 4;
if (NotEnough(offset, ends, cl))
return -dataLengthNeeded;
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;
ErrorMessage = data.GetString(offset, cl);
offset += cl;
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 - oOffset;
return offset - originalOffset;
}
}
}

49
Esiur/Net/Packets/WebsocketPacket.cs
View File

@@ -1,4 +1,28 @@
using System;
/*
Copyright (c) 2017 Ahmed Kh. Zamil
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
@@ -138,9 +162,10 @@ namespace Esiur.Net.Packets
offset += 8;
}
/*
if (Mask)
{
MaskKey = new byte[4];
MaskKey = new byte[4];
MaskKey[0] = data[offset++];
MaskKey[1] = data[offset++];
MaskKey[2] = data[offset++];
@@ -149,6 +174,7 @@ namespace Esiur.Net.Packets
//MaskKey = DC.GetUInt32(data, offset);
//offset += 4;
}
*/
needed += PayloadLength;
if (length < needed)
@@ -156,23 +182,26 @@ namespace Esiur.Net.Packets
//Console.WriteLine("stage 4");
return length - needed;
}
// if ((int)PayloadLength > (ends - offset))
// {
// return -((int)PayloadLength - (ends - offset));
// }
else
{
Message = DC.Clip(data, offset, (uint)PayloadLength);
if (Mask)
{
MaskKey = new byte[4];
MaskKey[0] = data[offset++];
MaskKey[1] = data[offset++];
MaskKey[2] = data[offset++];
MaskKey[3] = data[offset++];
Message = DC.Clip(data, offset, (uint)PayloadLength);
//var aMask = BitConverter.GetBytes(MaskKey);
for (int i = 0; i < Message.Length; i++)
{
Message[i] = (byte)(Message[i] ^ MaskKey[i % 4]);
}
}
else
Message = DC.Clip(data, offset, (uint)PayloadLength);
return (offset - oOffset) + (int)PayloadLength;
}