public void WriteEmpty(NATPAttribute attr)
{
serializer.SetBufferLength(0);
serializer.Write((byte)attr);
serializer.Write((ushort)0);
attributeTypes.Add(attr);
attributeBytes.Add(serializer.ToArray());
}
public object Get(NATPAttribute attr)
{
if (!response.ContainsKey(attr))
{
return(null);
}
object value = response[attr];
return(value);
}
public void WriteUInt(NATPAttribute attr, uint value)
{
serializer.SetBufferLength(0);
serializer.Write((byte)attr);
serializer.Write((ushort)4);
serializer.Write(value);
attributeTypes.Add(attr);
attributeBytes.Add(serializer.ToArray());
}
public void WriteBytes(NATPAttribute attr, byte[] bytes)
{
serializer.SetBufferLength(0);
serializer.Write((byte)attr);
serializer.Write((ushort)bytes.Length);
serializer.Write(bytes);
//pad to multiple of 4
PadTo32Bits(bytes.Length, serializer);
attributeTypes.Add(attr);
attributeBytes.Add(serializer.ToArray());
}
public void WriteString(NATPAttribute attr, string text)
{
serializer.SetBufferLength(0);
int len = Encoding.UTF8.GetByteCount(text);
serializer.Write((byte)attr);
serializer.Write(text, len);
//pad to multiple of 4
PadTo32Bits(len, serializer);
attributeTypes.Add(attr);
attributeBytes.Add(serializer.ToArray());
}
public void ReadAttribute()
{
while (serializer.bytePos < serializer.byteLength)
{
NATPAttribute attrType = (NATPAttribute)serializer.ReadByte();
attributeTypes.Add(attrType);
switch (attrType)
{
case NATPAttribute.RoomAddress:
case NATPAttribute.PeerAddress:
response.Add(attrType, ReadPeerAddress());
break;
case NATPAttribute.User:
case NATPAttribute.Passowrd:
case NATPAttribute.RoomName:
case NATPAttribute.RoomDescription:
case NATPAttribute.RoomTag:
response.Add(attrType, ReadString());
break;
/*case NATPAttribute.Room:
* response.Add(attrType, ReadRoom());
* break;*/
default:
ushort attrLen = serializer.ReadUShort();
byte[] bytes = serializer.ReadBytes(attrLen);
response.Add(attrType, bytes);
while (((attrLen++) % 4) != 0)
{
serializer.ReadByte();
}
break;
}
}
}