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lludp do inline zeroencode of some(most) agent full updates (runprebuild)

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UbitUmarov
2019-03-06 20:00:39 +00:00
parent 87c81b5172
commit cf0f3954a8
2 changed files with 356 additions and 37 deletions
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279
OpenSim/Region/ClientStack/Linden/UDP/LLUDPZeroEncoder.cs Normal file
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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using OpenSim.Framework;
using Nini.Config;
using OpenMetaverse;
namespace OpenSim.Region.ClientStack.LindenUDP
{
public sealed class LLUDPZeroEncoder
{
private byte[] m_tmp = new byte[16];
private byte[] m_dest;
private int zerocount;
private int pos;
public LLUDPZeroEncoder()
{
}
public LLUDPZeroEncoder(byte[] data)
{
m_dest = data;
zerocount = 0;
}
public byte[] Data
{
get
{
return m_dest;
}
set
{
m_dest = value;
}
}
public int ZeroCount
{
get
{
return zerocount;
}
set
{
zerocount = value;
}
}
public int Position
{
get
{
return pos;
}
set
{
pos = value;
}
}
public unsafe void AddZeros(int len)
{
zerocount += len;
while (zerocount > 255)
{
m_dest[pos++] = 0x00;
m_dest[pos++] = 0xff;
zerocount -= 256;
}
}
public unsafe int Finish()
{
if(zerocount > 0)
{
m_dest[pos++] = 0x00;
m_dest[pos++] = (byte)zerocount;
}
return pos;
}
public unsafe void AddBytes(byte[] src, int srclen)
{
for (int i = 0; i < srclen; ++i)
{
if (src[i] == 0x00)
{
zerocount++;
if (zerocount == 0)
{
m_dest[pos++] = 0x00;
m_dest[pos++] = 0xff;
zerocount++;
}
}
else
{
if (zerocount != 0)
{
m_dest[pos++] = 0x00;
m_dest[pos++] = (byte)zerocount;
zerocount = 0;
}
m_dest[pos++] = src[i];
}
}
}
public void AddByte(byte v)
{
if (v == 0x00)
{
zerocount++;
if (zerocount == 0)
{
m_dest[pos++] = 0x00;
m_dest[pos++] = 0xff;
zerocount++;
}
}
else
{
if (zerocount != 0)
{
m_dest[pos++] = 0x00;
m_dest[pos++] = (byte)zerocount;
zerocount = 0;
}
m_dest[pos++] = v;
}
}
public void AddInt16(short v)
{
if (v == 0)
AddZeros(2);
else
{
Utils.Int16ToBytes(v, m_tmp, 0);
AddBytes(m_tmp, 2);
}
}
public void AddUInt16(ushort v)
{
if (v == 0)
AddZeros(2);
else
{
Utils.UInt16ToBytes(v, m_tmp, 0);
AddBytes(m_tmp, 2);
}
}
public void AddInt(int v)
{
if (v == 0)
AddZeros(4);
else
{
Utils.IntToBytesSafepos(v, m_tmp, 0);
AddBytes(m_tmp, 4);
}
}
public unsafe void AddUInt(uint v)
{
if (v == 0)
AddZeros(4);
else
{
Utils.UIntToBytesSafepos(v, m_tmp, 0);
AddBytes(m_tmp, 4);
}
}
public void AddFloatToUInt16(float v, float range)
{
Utils.FloatToUInt16Bytes(v, range, m_tmp, 0);
AddBytes(m_tmp, 2);
}
public void AddFloat(float v)
{
if (v == 0f)
AddZeros(4);
else
{
Utils.FloatToBytesSafepos(v, m_tmp, 0);
AddBytes(m_tmp, 4);
}
}
public void AddInt64(long v)
{
if (v == 0)
AddZeros(8);
else
{
Utils.Int64ToBytesSafepos(v, m_tmp, 0);
AddBytes(m_tmp, 8);
}
}
public void AddUInt64(ulong v)
{
if (v == 0)
AddZeros(8);
else
{
Utils.UInt64ToBytesSafepos(v, m_tmp, 0);
AddBytes(m_tmp, 8);
}
}
public void AddVector3(Vector3 v)
{
if (v == Vector3.Zero)
AddZeros(12);
else
{
v.ToBytes(m_tmp, 0);
AddBytes(m_tmp, 12);
}
}
public void AddVector4(Vector4 v)
{
if (v == Vector4.Zero)
AddZeros(16);
else
{
v.ToBytes(m_tmp, 0);
AddBytes(m_tmp, 16);
}
}
public void AddNormQuat(Quaternion v)
{
v.ToBytes(m_tmp, 0);
AddBytes(m_tmp, 12);
}
public void AddUUID(UUID v)
{
v.ToBytes(m_tmp, 0);
AddBytes(m_tmp, 16);
}
}
}