de.ruedigermoeller.fastcast.packeting

Class PacketSendBuffer

java.lang.Object

de.ruedigermoeller.fastcast.packeting.PacketSendBuffer

public class PacketSendBuffer
extends Object

packet buffer backed by binary struct array. Can be used as sender with ring buffered history.

Field Summary

Fields

Modifier and Type	Field and Description
static int	MAX_BULK_SEND_DATA
static int	RETRANS_PACKET_PAUSE_THRESHOLD
static boolean	RETRANSDEBUG

Constructor Summary

Constructors

Constructor and Description
PacketSendBuffer(int datagramSizeBytes, String clusterName, String nodeId, TopicEntry entry)

Method Summary

Methods

Modifier and Type	Method and Description
void	addRetransmissionRequest(RetransPacket retransPacket, Transport trans)
void	doFlowControl()
void	free()
int	getMaxSendPacketsQueued()
Object	getSendWakeupLock()
TopicStats	getStats()
TopicEntry	getTopicEntry()
boolean	isOptForLatency()
boolean	isUnordered()
boolean	putMessage(int tag, de.ruedigermoeller.heapoff.bytez.Bytez b, int offset, int len, boolean tryPut)
boolean	putMessageMT(int tag, de.ruedigermoeller.heapoff.bytez.Bytez b, int offset, int len, boolean tryPut)
boolean	putMessageST(int tag, de.ruedigermoeller.heapoff.bytez.Bytez b, int offset, int len, boolean tryPut)
boolean	send(Transport transport) send pending packets to transport.
void	setMaxSendPacketsQueued(int maxSendPacketsQueued)
void	setOptForLatency(boolean optForLatency)
void	setUnordered(boolean unordered)
boolean	useSpinLock()

Methods inherited from class java.lang.Object

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

Field Detail

MAX_BULK_SEND_DATA

public static final int MAX_BULK_SEND_DATA

See Also:

Constant Field Values

RETRANSDEBUG

public static final boolean RETRANSDEBUG

See Also:

Constant Field Values

RETRANS_PACKET_PAUSE_THRESHOLD

public static final int RETRANS_PACKET_PAUSE_THRESHOLD

See Also:

Constant Field Values

Constructor Detail

PacketSendBuffer

public PacketSendBuffer(int datagramSizeBytes,
                String clusterName,
                String nodeId,
                TopicEntry entry)

Method Detail

free

public void free()

getTopicEntry

public TopicEntry getTopicEntry()

getStats

public TopicStats getStats()

isUnordered

public boolean isUnordered()

setUnordered

public void setUnordered(boolean unordered)

getMaxSendPacketsQueued

public int getMaxSendPacketsQueued()

setMaxSendPacketsQueued

public void setMaxSendPacketsQueued(int maxSendPacketsQueued)

putMessage

public boolean putMessage(int tag,
                 de.ruedigermoeller.heapoff.bytez.Bytez b,
                 int offset,
                 int len,
                 boolean tryPut)

putMessageST

public boolean putMessageST(int tag,
                   de.ruedigermoeller.heapoff.bytez.Bytez b,
                   int offset,
                   int len,
                   boolean tryPut)

putMessageMT

public boolean putMessageMT(int tag,
                   de.ruedigermoeller.heapoff.bytez.Bytez b,
                   int offset,
                   int len,
                   boolean tryPut)

isOptForLatency

public boolean isOptForLatency()

useSpinLock

public boolean useSpinLock()

setOptForLatency

public void setOptForLatency(boolean optForLatency)

send

public boolean send(Transport transport)
             throws IOException

send pending packets to transport. Concurrent adding threads are assumed to not overtake.

Parameters:

transport -

Throws:

IOException

addRetransmissionRequest

public void addRetransmissionRequest(RetransPacket retransPacket,
                            Transport trans)
                              throws IOException

Throws:

IOException

getSendWakeupLock

public Object getSendWakeupLock()

doFlowControl

public void doFlowControl()