Module org.refcodes.serial
Package org.refcodes.serial
Class StopAndWaitPacketStreamSegmentDecorator<DECORATEE extends Segment>
java.lang.Object
org.refcodes.serial.AbstractStopAndWaitPacketStreamTransmissionDecorator<DECORATEE>
org.refcodes.serial.StopAndWaitPacketStreamSegmentDecorator<DECORATEE>
- Type Parameters:
DECORATEE
- The decoratee type describing the according subclass to be chunked into blocks and enriched with a CRC checksum and a sequence number.
- All Implemented Interfaces:
Serializable
,org.refcodes.mixin.BlockSizeAccessor
,org.refcodes.mixin.DecorateeAccessor<DECORATEE>
,org.refcodes.mixin.LengthAccessor
,org.refcodes.mixin.PacketSizeAccessor
,org.refcodes.mixin.Schemable<SerialSchema>
,org.refcodes.numerical.EndianessAccessor
,AcknowledgeMagicBytesAccessor
,AcknowledgeRetryNumberAccessor
,AcknowledgeSegmentPackagerAccessor
,AcknowledgeTimeoutInMsAccessor
,DecoratorSegment<DECORATEE>
,Segment
,SequenceNumberInitValueAccessor
,StopAndWaitPacketStreamTransmission
,Transmission
,Transmission.TransmissionMixin
public class StopAndWaitPacketStreamSegmentDecorator<DECORATEE extends Segment>
extends AbstractStopAndWaitPacketStreamTransmissionDecorator<DECORATEE>
implements Segment, DecoratorSegment<DECORATEE>
A
StopAndWaitPacketStreamSegmentDecorator
chunks any outgoing stream
(OutputStream
) into blocks of definite length and reassembles any
incoming streams (InputStream
) from blocks of definite size into a
contiguous stream. Each block is enriched by a sequence number as well as a
CRC checksum for error detection and error correction means. To do error
correction, upon a bad CRC checksum, a feedback stream is used to request the
same block (as of the sequence number) again. A "window" of blocks not been
acknowledged may be buffered for out of order recovery as well as other
recovery strategies.- See Also:
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Nested Class Summary
Modifier and TypeClassDescriptionstatic final class
Builder to buildStopAndWaitSegmentDecorator
.Nested classes/interfaces inherited from interface org.refcodes.serial.AcknowledgeMagicBytesAccessor
AcknowledgeMagicBytesAccessor.AcknowledgeMagicBytesBuilder<B extends AcknowledgeMagicBytesAccessor.AcknowledgeMagicBytesBuilder<B>>, AcknowledgeMagicBytesAccessor.AcknowledgeMagicBytesMutator, AcknowledgeMagicBytesAccessor.AcknowledgeMagicBytesProperty
Nested classes/interfaces inherited from interface org.refcodes.serial.AcknowledgeRetryNumberAccessor
AcknowledgeRetryNumberAccessor.AcknowledgeRetryNumberBuilder<B extends AcknowledgeRetryNumberAccessor.AcknowledgeRetryNumberBuilder<B>>, AcknowledgeRetryNumberAccessor.AcknowledgeRetryNumberMutator, AcknowledgeRetryNumberAccessor.AcknowledgeRetryNumberProperty
Nested classes/interfaces inherited from interface org.refcodes.serial.AcknowledgeSegmentPackagerAccessor
AcknowledgeSegmentPackagerAccessor.AcknowledgeSegmentPackagerBuilder<B extends AcknowledgeSegmentPackagerAccessor.AcknowledgeSegmentPackagerBuilder<B>>, AcknowledgeSegmentPackagerAccessor.AcknowledgeSegmentPackagerMutator, AcknowledgeSegmentPackagerAccessor.AcknowledgeSegmentPackagerProperty
Nested classes/interfaces inherited from interface org.refcodes.serial.AcknowledgeTimeoutInMsAccessor
AcknowledgeTimeoutInMsAccessor.AcknowledgeTimeoutInMsBuilder<B extends AcknowledgeTimeoutInMsAccessor.AcknowledgeTimeoutInMsBuilder<B>>, AcknowledgeTimeoutInMsAccessor.AcknowledgeTimeoutInMsMutator, AcknowledgeTimeoutInMsAccessor.AcknowledgeTimeoutInMsProperty
Nested classes/interfaces inherited from interface org.refcodes.mixin.BlockSizeAccessor
org.refcodes.mixin.BlockSizeAccessor.BlockSizeBuilder<B extends org.refcodes.mixin.BlockSizeAccessor.BlockSizeBuilder<B>>, org.refcodes.mixin.BlockSizeAccessor.BlockSizeMutator, org.refcodes.mixin.BlockSizeAccessor.BlockSizeProperty
Nested classes/interfaces inherited from interface org.refcodes.mixin.DecorateeAccessor
org.refcodes.mixin.DecorateeAccessor.DecorateeBuilder<DECORATEE extends Object,
B extends org.refcodes.mixin.DecorateeAccessor.DecorateeBuilder<DECORATEE, B>>, org.refcodes.mixin.DecorateeAccessor.DecorateeMutator<DECORATEE extends Object>, org.refcodes.mixin.DecorateeAccessor.DecorateeProperty<DECORATEE extends Object> Nested classes/interfaces inherited from interface org.refcodes.numerical.EndianessAccessor
org.refcodes.numerical.EndianessAccessor.EndianessBuilder<B extends org.refcodes.numerical.EndianessAccessor.EndianessBuilder<B>>, org.refcodes.numerical.EndianessAccessor.EndianessMutator, org.refcodes.numerical.EndianessAccessor.EndianessProperty
Nested classes/interfaces inherited from interface org.refcodes.mixin.LengthAccessor
org.refcodes.mixin.LengthAccessor.LengthBuilder<B extends org.refcodes.mixin.LengthAccessor.LengthBuilder<B>>, org.refcodes.mixin.LengthAccessor.LengthMutator, org.refcodes.mixin.LengthAccessor.LengthProperty
Nested classes/interfaces inherited from interface org.refcodes.mixin.PacketSizeAccessor
org.refcodes.mixin.PacketSizeAccessor.PacketSizeBuilder<B extends org.refcodes.mixin.PacketSizeAccessor.PacketSizeBuilder<B>>, org.refcodes.mixin.PacketSizeAccessor.PacketSizeMutator, org.refcodes.mixin.PacketSizeAccessor.PacketSizeProperty
Nested classes/interfaces inherited from interface org.refcodes.serial.Segment
Segment.SegmentMixin
Nested classes/interfaces inherited from interface org.refcodes.serial.SequenceNumberInitValueAccessor
SequenceNumberInitValueAccessor.SequenceNumberInitValueBuilder<B extends SequenceNumberInitValueAccessor.SequenceNumberInitValueBuilder<B>>, SequenceNumberInitValueAccessor.SequenceNumberInitValueMutator, SequenceNumberInitValueAccessor.SequenceNumberInitValueProperty
Nested classes/interfaces inherited from interface org.refcodes.serial.Transmission
Transmission.TransmissionMixin
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Field Summary
Fields inherited from class org.refcodes.serial.AbstractStopAndWaitPacketStreamTransmissionDecorator
_acknowledgeMagicBytes, _acknowledgeRetryNumber, _acknowledgeSegmentPackager, _acknowledgeTimeoutInMs, _blockSize, _crcChecksum, _decoratee, _endianess, _lastPacketMagicBytes, _packetLengthWidth, _packetMagicBytes, _packetSegmentPackager, _packetSize, _sequenceNumberConcatenateMode, _sequenceNumberInitValue, _sequenceNumberWidth, ACK_MAGIC_BYTES, ACK_RETRY_NUMBER, ACK_TIMEOUT_IN_MS, BLOCK_SIZE, ENDIANESS, SEQUENCE_NUMBER_INIT_VALUE, SEQUENCE_NUMBER_WIDTH
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Constructor Summary
ConstructorDescriptionStopAndWaitPacketStreamSegmentDecorator
(DECORATEE aDecoratee, int aBlockSize, int aPacketLengthWidth, byte[] aPacketMagicBytes, int aSequenceNumberInitValue, int aSequenceNumberWidth, org.refcodes.mixin.ConcatenateMode aSequenceNumberConcatenateMode, SegmentPackager aPacketSegmentPackager, byte[] aAcknowledgeMagicBytes, int aAckRetryNumber, long aAckTimeoutInMs, SegmentPackager aAckSegmentPackager, org.refcodes.numerical.Endianess aEndianess) StopAndWaitPacketStreamSegmentDecorator
(DECORATEE aDecoratee, TransmissionMetrics aTransmissionMetrics) -
Method Summary
Modifier and TypeMethodDescriptionstatic <DECORATEE extends Segment>
StopAndWaitPacketStreamSegmentDecorator.Builder<DECORATEE>builder()
Creates builder to buildStopAndWaitPacketStreamSegmentDecorator
.int
fromTransmission
(Sequence aSequence, int aOffset) (Re-)initializes this instance with the the givenSequence
data.void
receiveFrom
(InputStream aInputStream, OutputStream aReturnStream) (Re-)initializes this instance by receiving the accordingSequence
from the givenInputStream
.Methods inherited from class org.refcodes.serial.AbstractStopAndWaitPacketStreamTransmissionDecorator
getAcknowledgeMagicBytes, getAcknowledgeRetryNumber, getAcknowledgeSegmentPackager, getAcknowledgeTimeoutInMs, getBlockSize, getCrcChecksumConcatenateMode, getDecoratee, getEndianess, getLength, getPacketSize, getSequenceNumberInitValue, getSequenceNumberWidth, toSchema, toSequence, toSimpleTypeMap, transmitTo
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
Methods inherited from interface org.refcodes.mixin.DecorateeAccessor
getDecoratee
Methods inherited from interface org.refcodes.serial.Segment
fromTransmission, fromTransmission, fromTransmission, receiveFrom, receiveFrom
Methods inherited from interface org.refcodes.serial.Transmission
getLength, toSchema, toSequence, toSimpleTypeMap, transmitTo, transmitTo
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Constructor Details
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StopAndWaitPacketStreamSegmentDecorator
public StopAndWaitPacketStreamSegmentDecorator(DECORATEE aDecoratee, TransmissionMetrics aTransmissionMetrics) -
StopAndWaitPacketStreamSegmentDecorator
public StopAndWaitPacketStreamSegmentDecorator(DECORATEE aDecoratee, int aBlockSize, int aPacketLengthWidth, byte[] aPacketMagicBytes, int aSequenceNumberInitValue, int aSequenceNumberWidth, org.refcodes.mixin.ConcatenateMode aSequenceNumberConcatenateMode, SegmentPackager aPacketSegmentPackager, byte[] aAcknowledgeMagicBytes, int aAckRetryNumber, long aAckTimeoutInMs, SegmentPackager aAckSegmentPackager, org.refcodes.numerical.Endianess aEndianess)
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Method Details
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fromTransmission
(Re-)initializes this instance with the the givenSequence
data. This method merely delegates to the decoratee and does not do any packaging as we do not have a stream which we can packetize, we have aSequence
provided.- Specified by:
fromTransmission
in interfaceSegment
- Parameters:
aSequence
- TheSequence
data from which to (re-)initialize this instance.aOffset
- The offset where to start processing the providedSequence
.- Returns:
- The index after the last offset into the given
Sequence
processed by this method. - Throws:
TransmissionException
- thrown in case a givenSequence
cannot be processed.
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receiveFrom
public void receiveFrom(InputStream aInputStream, OutputStream aReturnStream) throws IOException, TransmissionException (Re-)initializes this instance by receiving the accordingSequence
from the givenInputStream
. Implementations providing error correction methods use the provided feedbackOutputStream
to do some sort of "stop-and-wait ARQ" or apply similar methods to ensure correctness of the received data.- Specified by:
receiveFrom
in interfaceSegment
- Parameters:
aInputStream
- TheInputStream
from which to read the instance's (re-)initializationSequence
from.aReturnStream
- AnOutputStream
being the return channel to handle "stop-and-wait ARQ" or the like in case of a bidirectional connection. Can be null in case we have a unidirectional connection.- Throws:
IOException
- thrown in case reading data from theInputStream
caused problems.TransmissionException
- thrown in case a given transmission cannot be processed.
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builder
public static <DECORATEE extends Segment> StopAndWaitPacketStreamSegmentDecorator.Builder<DECORATEE> builder()Creates builder to buildStopAndWaitPacketStreamSegmentDecorator
.- Type Parameters:
DECORATEE
- The decoratee type describing the according subclass to be enriched.- Returns:
- The created builder.
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