net.i2p.router.transport.ntcp

Class NTCP2Payload

java.lang.Object

net.i2p.router.transport.ntcp.NTCP2Payload

class NTCP2Payload
extends Object

NTCP 2 payload generation and parsing utilities.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	NTCP2Payload.Block Base class for NTCP 2 payload blocks.
static class	NTCP2Payload.DateTimeBlock Block containing the current date and time.
static class	NTCP2Payload.I2NPBlock Block containing I2NP message.
static class	NTCP2Payload.OptionsBlock Block containing options data.
static class	NTCP2Payload.PaddingBlock Block containing padding data.
static interface	NTCP2Payload.PayloadCallback For all callbacks, recommend throwing exceptions only from the handshake.
static class	NTCP2Payload.RIBlock Block containing router information.
static class	NTCP2Payload.TerminationBlock Block containing termination data.

Field Summary

Fields

Modifier and Type	Field and Description
static int	BLOCK_HEADER_SIZE

Constructor Summary

Constructors

Constructor and Description
NTCP2Payload()

Method Summary

Modifier and Type	Method and Description
static int	processPayload(I2PAppContext ctx, NTCP2Payload.PayloadCallback cb, byte[] payload, int off, int length, boolean isHandshake) Incoming payload.
static int	writePayload(byte[] payload, int off, List<NTCP2Payload.Block> blocks)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

BLOCK_HEADER_SIZE

public static final int BLOCK_HEADER_SIZE

See Also:

Constant Field Values

Constructor Detail

NTCP2Payload

NTCP2Payload()

Method Detail

processPayload

public static int processPayload(I2PAppContext ctx,
                                 NTCP2Payload.PayloadCallback cb,
                                 byte[] payload,
                                 int off,
                                 int length,
                                 boolean isHandshake)
                          throws IOException,
                                 DataFormatException,
                                 I2NPMessageException

Incoming payload. Calls the callback for each received block.

Returns:

number of blocks processed

Throws:

IOException - on major errors

DataFormatException - on parsing of individual blocks

I2NPMessageException - on parsing of I2NP block

writePayload

public static int writePayload(byte[] payload,
                               int off,
                               List<NTCP2Payload.Block> blocks)

Parameters:

payload - writes to it starting at off

Returns:

the new offset