NTCP2Payload.PaddingBlock | Javadocs [I2P+]

java.lang.Object

net.i2p.router.transport.ntcp.NTCP2Payload.Block

net.i2p.router.transport.ntcp.NTCP2Payload.PaddingBlock

Enclosing class:: NTCP2Payload

public static class NTCP2Payload.PaddingBlockextends NTCP2Payload.Block

Block containing padding data.

Field Summary
Fields
Modifier and Type
Field
Description
private final I2PAppContext
ctx
The app context.
private int
sz
Size of the padding, in bytes.
Constructor Summary
Constructors
Constructor
Description
PaddingBlock(int size)
With zero-filled data.
PaddingBlock(I2PAppContext context, int size)
With random data.
Method Summary
Public Methods
Modifier and Type
Method
Description
int
getDataLength()
The data length of this block.
(package private) void
setSize(int size)
Set the size, for reuse of a pooled block.
int
writeData(byte[] tgt, int off)
Write the block data to the target array.
Methods inherited from class NTCP2Payload.Block
getTotalLength, toString, write
Modifier and Type
Method
Description
int
getTotalLength()
How many bytes the whole block occupies in a frame.
String
toString()
String representation of this block.
int
write(byte[] tgt, int off)
Write the block to the target array, returning the new offset.
Methods inherited from class Object
clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Details
- sz
  private int sz
  Size of the padding, in bytes.
- ctx
  private final I2PAppContext ctx
  The app context.
Constructor Details
- PaddingBlock
  public PaddingBlock(int size)
  With zero-filled data.
  Parameters:
  size - number of padding bytes to write, not counting the 3-byte header
- PaddingBlock
  public PaddingBlock(I2PAppContext context, int size)
  With random data.
  Parameters:
  context - supplies the random source for the padding, null to zero-fill
  size - number of padding bytes to write, not counting the 3-byte header
Method Details
- setSize
  void setSize(int size)
  Set the size, for reuse of a pooled block.
  Parameters:
  size - number of padding bytes to write, not counting the 3-byte header
- getDataLength
  public int getDataLength()
  The data length of this block.
  Specified by:
  getDataLength in class NTCP2Payload.Block
  Returns:
  the data length
- writeData
  public int writeData(byte[] tgt, int off)
  Write the block data to the target array.
  Specified by:
  writeData in class NTCP2Payload.Block
  Parameters:
  tgt - the destination array
  off - index in tgt to write the data at, past the 3-byte header
  Returns:
  the offset just past the written data