Constructor Detail

• AckBlock

  public AckBlock(int keyID,
                  int n)

  Builds an ACK block for a single key ID and count.

• AckBlock

  public AckBlock(List<Integer> acks)

  ACK block for multiple key IDs and counts.

  Parameters:

  acks - each is id << 16 | n

Method Detail

• getDataLength

  public int getDataLength()

  Data length of the block.

  Specified by:

  getDataLength in class RatchetPayload.Block

  Returns:

  the size of the block, NOT including the 3 byte header (type and size)

• setAcks

  void setAcks(List<Integer> acks)

  Set the ACK data, for reuse. Reallocates only if the size changes.

  Parameters:

  acks - each is id << 16 | n

• writeData

  public int writeData(byte[] tgt,
                       int off)

  Writes the block to the output buffer at the given offset.

  Specified by:

  writeData in class RatchetPayload.Block

  Parameters:

  tgt - the target buffer

  off - the offset

  Returns:

  new offset