public void ReadAttribute(out byte[] rcvData)
{
while (serializer.bytePos < serializer.byteLength && serializer.bytePos < methodLength)
{
STUNAddress address;
STUNAttribute attrType = (STUNAttribute)serializer.ReadUShort();
attributeTypes.Add(attrType);
switch (attrType)
{
case STUNAttribute.MappedAddress:
case STUNAttribute.SourceAddress:
case STUNAttribute.ChangedAddress:
address = ReadMappedAddress();
response.Add(attrType, address);
break;
case STUNAttribute.XorPeerAddress:
case STUNAttribute.XorMappedAddress:
case STUNAttribute.XorRelayedAddress:
address = ReadXorMappedAddress();
response.Add(attrType, address);
break;
case STUNAttribute.ErrorCode:
response.Add(attrType, ReadErrorCode());
break;
case STUNAttribute.UnknownAttribute:
response.Add(attrType, ReadUnknownAttributes());
break;
case STUNAttribute.ServerName:
response.Add(attrType, ReadString());
break;
case STUNAttribute.Realm:
response.Add(attrType, ReadString());
break;
case STUNAttribute.Username:
response.Add(attrType, ReadString());
break;
default:
ushort attrLen = serializer.ReadUShort();
byte[] bytes = serializer.ReadBytes(attrLen);
response.Add(attrType, bytes);
while (((attrLen++) % 4) != 0)
{
serializer.ReadByte();
}
break;
}
}
rcvData = (byte[])Get(STUNAttribute.Data);
}
public bool FromBuffer(byte[] buffer, long offset, long size)
{
serializer.SetBuffer(buffer, offset, size);
if (buffer[offset] != 0x38)
{
IsMessage = false;
connectionID = serializer.ReadInt();
data = new byte[size - 4];
Buffer.BlockCopy(buffer, (int)offset + 4, data, 0, (int)size - 4);
//data = serializer.ReadBytes((int)size-4);
return(false);
}
serializer.ReadByte(); // read heard 00111000
methodType = (NATPMethod)serializer.ReadByte();
if (!Enum.IsDefined(typeof(NATPMethod), methodType))
{
IsMessage = false;
serializer.bytePos = (int)offset;
connectionID = serializer.ReadInt();
data = new byte[size - 4];
Buffer.BlockCopy(buffer, (int)offset + 4, data, 0, (int)size - 4);
//data = serializer.ReadBytes((int)size - 4);
return(false);
}
IsMessage = true;
ReadAttribute();
data = null;
return(true);
}
public bool FromBuffer(byte[] buffer, long offset, long size)
{
if (buffer[offset] != 0x38)
{
IsMessage = false; return(false);
}
serializer.SetBuffer(buffer, offset, size);
serializer.ReadByte(); // read heard 00111000
methodType = (SignalingMethod)serializer.ReadByte();
if (!Enum.IsDefined(typeof(SignalingMethod), methodType))
{
IsMessage = false; return(false);
}
IsMessage = true;
ReadAttribute();
return(true);
}
public bool FromBuffer(byte[] buffer, long offset, long size)
{
if (buffer[offset] != 0x38)
{
return(false);
}
serializer.SetBuffer(buffer, offset, size);
serializer.ReadByte(); // read heard 00111000
methodType = (SignalingMethod)serializer.ReadByte();
if (!Enum.IsDefined(typeof(SignalingMethod), methodType))
{
return(false);
}
//Console.WriteLine("SignalingMethod: {0}", Enum.GetName(typeof(SignalingMethod), methodType));
ReadAttribute();
IsMessage = true;
return(true);
}
