edu.unh.sdb.remote
Class UDPSender

java.lang.Object
  edu.unh.sdb.remote.Sender
      edu.unh.sdb.remote.UDPSender

public class UDPSender
extends Sender

Nested Class Summary

static class

UDPSender.InterPacketDelay Interpacket delay parameter setter.

Field Summary

protected int	buffer_size
protected int	clientControlPort
protected int	clientDataPort
protected java.lang.String	controlMsg
protected int	delayLength
protected java.net.DatagramSocket	ds
protected int	finalDelay
protected int	initialDelay
protected java.net.InetAddress	ip
protected RemoteMessenger	rm
protected byte[]	seq_num
protected java.net.ServerSocket	serverCtrlSocket
protected int	totalPackets

Fields inherited from class edu.unh.sdb.remote.Sender

busy, clientIP, serverDataPort

Constructor Summary

UDPSender()

Method Summary

void	freeResource()
java.lang.String	GetMissingPackets()
protected void	PacketRetransmission(byte[] bytes, java.lang.String s) Logic for retransmitting lost packets.
int	SendData(byte[] bytes, int size) Sends data to client.
static void	Seqnum_Encoder(byte[] seq_num, int n) Fills seq_num[] with (byte) Integer values of group of 8 bits from 32 bit binary string of input integer.
void	setBufSize(int size)
void	setClientIP(java.net.InetAddress newAddress)
void	setClientIP(java.lang.String newIP)
void	setDelayLength(int dl)
void	setFinalDelay(int fd)
void	setInitialDelay(int delay)
void	setRemoteMessenger(RemoteMessenger rm)
void	setServerCtrlSocket(java.net.ServerSocket ssock)
void	setServerDataPort(int port)

Methods inherited from class edu.unh.sdb.remote.Sender

isBusy, setBusyStatus

Methods inherited from class java.lang.Object

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

Field Detail

clientDataPort

protected int clientDataPort

clientControlPort

protected int clientControlPort

ip

protected java.net.InetAddress ip

serverCtrlSocket

protected java.net.ServerSocket serverCtrlSocket

ds

protected java.net.DatagramSocket ds

rm

protected RemoteMessenger rm

controlMsg

protected java.lang.String controlMsg

seq_num

protected byte[] seq_num

totalPackets

protected int totalPackets

buffer_size

protected int buffer_size

finalDelay

protected int finalDelay

initialDelay

protected int initialDelay

delayLength

protected int delayLength

Constructor Detail

UDPSender

public UDPSender()

Method Detail

setRemoteMessenger

public void setRemoteMessenger(RemoteMessenger rm)

setServerCtrlSocket

public void setServerCtrlSocket(java.net.ServerSocket ssock)

freeResource

public void freeResource()

Specified by:

freeResource in class Sender

setServerDataPort

public void setServerDataPort(int port)

Overrides:

setServerDataPort in class Sender

setClientIP

public void setClientIP(java.lang.String newIP)

Overrides:

setClientIP in class Sender

setClientIP

public void setClientIP(java.net.InetAddress newAddress)

Overrides:

setClientIP in class Sender

setBufSize

public void setBufSize(int size)

setInitialDelay

public void setInitialDelay(int delay)

setDelayLength

public void setDelayLength(int dl)

setFinalDelay

public void setFinalDelay(int fd)

Seqnum_Encoder

public static void Seqnum_Encoder(byte[] seq_num,
                                  int n)

Fills seq_num[] with (byte) Integer values of group of 8 bits from 32 bit binary string of input integer.

GetMissingPackets

public java.lang.String GetMissingPackets()

SendData

public int SendData(byte[] bytes,
                    int size)

Sends data to client.

Specified by:

SendData in class Sender

PacketRetransmission

protected void PacketRetransmission(byte[] bytes,
                                    java.lang.String s)

Logic for retransmitting lost packets.