Package net.i2p.data.i2np

Class ShortTunnelBuildMessage

java.lang.Object

net.i2p.data.i2np.I2NPMessageImpl

net.i2p.data.i2np.TunnelBuildMessageBase

net.i2p.data.i2np.TunnelBuildMessage

net.i2p.data.i2np.ShortTunnelBuildMessage

All Implemented Interfaces:

I2NPMessage

public class ShortTunnelBuildMessage
extends TunnelBuildMessage

Variable size, small records. Preliminary, see proposal 157.

Since:

0.9.49

Nested Class Summary

Nested classes/interfaces inherited from class net.i2p.data.i2np.I2NPMessageImpl

I2NPMessageImpl.Builder

Field Summary

Fields

Modifier and Type	Field	Description
static final int	MESSAGE_TYPE
static final int	SHORT_RECORD_SIZE

Fields inherited from class net.i2p.data.i2np.TunnelBuildMessageBase

_records, MAX_RECORD_COUNT, RECORD_COUNT, RECORD_SIZE

Fields inherited from class net.i2p.data.i2np.I2NPMessageImpl

_context, _expiration, _log, CHECKSUM_LENGTH, DEFAULT_EXPIRATION_MS, HEADER_LENGTH

Fields inherited from interface net.i2p.data.i2np.I2NPMessage

MAX_ID_VALUE, MAX_SIZE

Constructor Summary

Constructors

Constructor	Description
ShortTunnelBuildMessage(I2PAppContext context)	zero record count, will be set with readMessage()
ShortTunnelBuildMessage(I2PAppContext context, int records)

Method Summary

Modifier and Type	Method	Description
protected int	calculateWrittenLength()	calculate the message body's length (not including the header and footer
int	getType()	Return the unique identifier for this type of I2NP message, as defined in the I2NP spec
void	readMessage(byte[] data, int offset, int dataSize, int type)	Read the body into the data structures, after the initial type byte and the uniqueId / expiration, using the current class's format as defined by the I2NP specification Implementations must not read more than dataSize, or throw I2NPMessageException or IndexOutOfBoundsException if they do.
void	setRecord(int index, EncryptedBuildRecord record)
String	toString()
protected int	writeMessageBody(byte[] out, int curIndex)	write the message body to the output array, starting at the given index.

Methods inherited from class net.i2p.data.i2np.TunnelBuildMessageBase

getRecord, getRecordCount

Methods inherited from class net.i2p.data.i2np.I2NPMessageImpl

createMessage, fromRawByteArray, fromRawByteArrayNTCP2, getMessageExpiration, getMessageSize, getRawMessageSize, getUniqueId, getUniqueId, readBytes, readBytes, readBytes, readMessage, registerBuilder, setMessageExpiration, setUniqueId, toByteArray, toByteArray, toByteArray, toRawByteArray, toRawByteArrayNTCP2, writeBytes

Methods inherited from class java.lang.Object

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

Field Details

MESSAGE_TYPE

public static final int MESSAGE_TYPE

See Also:

• Constant Field Values

SHORT_RECORD_SIZE

public static final int SHORT_RECORD_SIZE

See Also:

• Constant Field Values

Constructor Details

ShortTunnelBuildMessage

public ShortTunnelBuildMessage(I2PAppContext context)

zero record count, will be set with readMessage()

ShortTunnelBuildMessage

public ShortTunnelBuildMessage(I2PAppContext context,
 int records)

Method Details

setRecord

public void setRecord(int index,
 EncryptedBuildRecord record)

Overrides:

setRecord in class TunnelBuildMessageBase

Parameters:

record - must be ShortEncryptedBuildRecord or null

calculateWrittenLength

protected int calculateWrittenLength()

Description copied from class: I2NPMessageImpl

calculate the message body's length (not including the header and footer

Overrides:

calculateWrittenLength in class TunnelBuildMessageBase

getType

public int getType()

Description copied from interface: I2NPMessage

Return the unique identifier for this type of I2NP message, as defined in the I2NP spec

Specified by:

getType in interface I2NPMessage

Overrides:

getType in class TunnelBuildMessage

readMessage

public void readMessage(byte[] data,
 int offset,
 int dataSize,
 int type)
                 throws I2NPMessageException

Description copied from interface: I2NPMessage

Read the body into the data structures, after the initial type byte and the uniqueId / expiration, using the current class's format as defined by the I2NP specification Implementations must not read more than dataSize, or throw I2NPMessageException or IndexOutOfBoundsException if they do.

Specified by:

readMessage in interface I2NPMessage

Overrides:

readMessage in class TunnelBuildMessageBase

Parameters:

data - data to read from

offset - where to start in the data array

dataSize - how long into the data to read

type - I2NP message type

Throws:

I2NPMessageException - if the stream doesn't contain a valid message that this class can read.

writeMessageBody

protected int writeMessageBody(byte[] out,
 int curIndex)
                        throws I2NPMessageException

Description copied from class: I2NPMessageImpl

write the message body to the output array, starting at the given index.

Overrides:

writeMessageBody in class TunnelBuildMessageBase

Returns:

the index into the array after the last byte written (NOT the length)

Throws:

I2NPMessageException

toString

public String toString()

Overrides:

toString in class TunnelBuildMessage