SSU2Payload.PaddingBlock | Javadocs [I2P+]

java.lang.Object

net.i2p.router.transport.udp.SSU2Payload.Block

net.i2p.router.transport.udp.SSU2Payload.PaddingBlock

Enclosing class:: SSU2Payload

public static class SSU2Payload.PaddingBlockextends SSU2Payload.Block

Block containing padding data. Used to pad messages to required sizes.

Field Summary
Fields
Modifier and Type
Field
Description
private final I2PAppContext
ctx
The app context for the padding size.
private final int
sz
Length of the padding, in bytes.
Constructor Summary
Constructors
Constructor
Description
PaddingBlock(int size)
Create a padding block with zero-filled data.
PaddingBlock(I2PAppContext context, int size)
Create a padding block with random data.
Method Summary
All Methods
Modifier and Type
Method
Description
int
getDataLength()
Return the padding size.
int
writeData(byte[] tgt, int off)
Write the padding block data to the target array.
Methods inherited from class SSU2Payload.Block
getTotalLength, getType, toString, write
Modifier and Type
Method
Description
int
getTotalLength()
Return the total size of the block, including the 3 byte header.
int
getType()
The block type.
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 final int sz
  Length of the padding, in bytes.
- ctx
  private final I2PAppContext ctx
  The app context for the padding size.
Constructor Details
- PaddingBlock
  public PaddingBlock(int size)
  Create a padding block with zero-filled data.
  Parameters:
  size - the padding size
- PaddingBlock
  public PaddingBlock(I2PAppContext context, int size)
  Create a padding block with random data.
  Parameters:
  context - the I2P context for random data generation
  size - the padding size
Method Details
- getDataLength
  public int getDataLength()
  Return the padding size.
  Specified by:
  getDataLength in class SSU2Payload.Block
  Returns:
  the padding size
- writeData
  public int writeData(byte[] tgt, int off)
  Write the padding block data to the target array.
  Specified by:
  writeData in class SSU2Payload.Block
  Parameters:
  tgt - target array to write to
  off - offset in the target array
  Returns:
  the new offset after writing