public PacketFrame(byte opcode, PacketLength size, int writeHead, BlobPlaceholder?placeholder = null)
{
Opcode = opcode;
Size = size;
Placeholder = placeholder;
AtWriteHead = writeHead;
}
public PacketSizeDoesNotMatchWrittenSizeException(
byte opcode, PacketLength size, int writtenSize)
{
Opcode = opcode;
Size = size;
WrittenSize = writtenSize;
}
public void TestLastOctetNonZero()
{
var octets = new byte[] { 0xff, 0x02 };
int octetsUsed = 0;
var value = PacketLength.Convert(octets, 0, out octetsUsed);
Assert.That(2, Is.EqualTo(octetsUsed));
Assert.That(255 + 2 * 256, Is.EqualTo(value));
}
public void TestThreeOctetsLastShouldBeIgnored()
{
var octets = new byte[] { 0x80, 0x01, 0x30 };
int octetsUsed = 0;
var value = PacketLength.Convert(octets, 0, out octetsUsed);
Assert.That(2, Is.EqualTo(octetsUsed));
Assert.That(384, Is.EqualTo(value));
}
public void Test16bit()
{
var octets = new byte[] { 0x80, 0x01 };
int octetsUsed = 0;
var value = PacketLength.Convert(octets, 0, out octetsUsed);
Assert.That(2, Is.EqualTo(octetsUsed));
Assert.That(384, Is.EqualTo(value));
}
public void TestLower()
{
var octets = new byte[] { 0x73 };
int octetsUsed = 0;
var value = PacketLength.Convert(octets, 0, out octetsUsed);
Assert.That(1, Is.EqualTo(octetsUsed));
Assert.That(7 * 16 + 3, Is.EqualTo(value));
}
protected override BaseBlock ConvertToBaseBlock(bool reverseByteOrder, Action <Exception> ActionOnException)
{
List <byte> body = new List <byte>();
body.AddRange(BitConverter.GetBytes(InterfaceID.ReverseByteOrder(reverseByteOrder)));
body.AddRange(Timestamp.ConvertToByte(reverseByteOrder));
body.AddRange(BitConverter.GetBytes(Data.Length.ReverseByteOrder(reverseByteOrder)));
body.AddRange(BitConverter.GetBytes(PacketLength.ReverseByteOrder(reverseByteOrder)));
body.AddRange(Data);
int remainderLength = (BaseBlock.AlignmentBoundary - Data.Length % BaseBlock.AlignmentBoundary) % BaseBlock.AlignmentBoundary;
for (int i = 0; i < remainderLength; i++)
{
body.Add(0);
}
body.AddRange(Options.ConvertToByte(reverseByteOrder, ActionOnException));
BaseBlock baseBlock = new BaseBlock(this.BlockType, body.ToArray(), reverseByteOrder, 0);
return(baseBlock);
}
