public bool isValidTLVPack(byte[] apcBuf, int aiUsedSize, int offset)
{
if (apcBuf != null)
{
if (aiUsedSize < this.m_ptHeader.getSize())
{
return(false);
}
TLVPackHeader header = new TLVPackHeader {
h_pcBuf = apcBuf,
offset = offset
};
if (header.getMagic() != 0x81)
{
return(false);
}
int aiSize = aiUsedSize - header.getSize();
if (header.getUsedSize() != aiSize)
{
return(false);
}
byte[] buffer = TLVUtil.getCheckSum(apcBuf, offset + header.getSize(), aiSize);
byte[] buffer2 = header.getCheckSum();
if ((buffer[0] != buffer2[0]) || (buffer[1] != buffer2[1]))
{
return(false);
}
if (aiSize == 0)
{
return(true);
}
FixedSizeTLVBody body = new FixedSizeTLVBody();
tVariableSizeTLVItem item = new tVariableSizeTLVItem();
TLVBody body2 = null;
if (header.getMode() == 0)
{
body2 = body;
}
else if (header.getMode() == 1)
{
body2 = item;
}
else
{
return(false);
}
if (body2.MapTo(apcBuf, offset + aiUsedSize, offset + header.getSize()))
{
while (body2.iNextOffset != 0)
{
if (!body2.MapTo(apcBuf, offset + aiUsedSize, body2.iNextOffset))
{
return(false);
}
}
return(true);
}
}
return(false);
}
public int getNestedTLVBuf(int aiType, TLVPack appoVal)
{
if (appoVal == null)
{
return(-4);
}
if (this.m_iUsedSize == this.m_ptHeader.getSize())
{
return(-6);
}
FixedSizeTLVBody body = new FixedSizeTLVBody();
tVariableSizeTLVItem item = new tVariableSizeTLVItem();
TLVBody body2 = null;
if (this.m_eDefaultMode == 0)
{
body2 = body;
}
else if (this.m_eDefaultMode == 1)
{
body2 = item;
}
else
{
return(-8);
}
if (body2.MapTo(this.m_pcBuf, this.m_iUsedSize, this.m_ptHeader.getSize()))
{
while ((body2.iType != aiType) && (body2.iNextOffset != 0))
{
if (!body2.MapTo(this.m_pcBuf, this.m_iUsedSize, body2.iNextOffset))
{
return(-5);
}
}
if (body2.iType != aiType)
{
return(-6);
}
if ((body2.iLength > 0) && (0 > appoVal.CopyFrom(body2.pcValPtr, body2.iLength, body2.pcValPtrOffset)))
{
appoVal.m_pcBuf = null;
appoVal.m_ptHeader.h_pcBuf = null;
return(-5);
}
return(0);
}
return(-5);
}
public int getByteArray(int aiType, ref byte[] apoVal)
{
if (this.m_iUsedSize == this.m_ptHeader.getSize())
{
return(-6);
}
FixedSizeTLVBody body = new FixedSizeTLVBody();
tVariableSizeTLVItem item = new tVariableSizeTLVItem();
TLVBody body2 = null;
if (this.m_eDefaultMode == 0)
{
body2 = body;
}
else if (this.m_eDefaultMode == 1)
{
body2 = item;
}
else
{
return(-8);
}
if (body2.MapTo(this.m_pcBuf, this.m_iUsedSize, this.m_ptHeader.getSize()))
{
while ((body2.iType != aiType) && (body2.iNextOffset != 0))
{
if (!body2.MapTo(this.m_pcBuf, this.m_iUsedSize, body2.iNextOffset))
{
return(-5);
}
}
if (body2.iType != aiType)
{
return(-6);
}
apoVal = new byte[body2.iLength];
Buffer.BlockCopy(body2.pcValPtr, body2.pcValPtrOffset, apoVal, 0, body2.iLength);
return(0);
}
return(-5);
}
