com.gremwell.jnetbridge
Class PcapPort

java.lang.Object
  com.gremwell.jnetbridge.Port
      com.gremwell.jnetbridge.PcapPort

public class PcapPort
extends Port

This class implements a port receiving and sending network packets with libpcap, through jnetpcap library. Upon instantiation PCAP handle gets initialized, but the packet pumping thread does not get started until start(). The clients of this class can invoke start()/stop() several times. The PCAP handle gets closed upon invocation of close() method. After that it does not get reopened by start().

Field Summary

Fields inherited from class com.gremwell.jnetbridge.Port

listener, name, received, sent

Constructor Summary

PcapPort(java.lang.String name)
Prepare the interface to receive and send packets.

Method Summary

void	close() The clients have to invoke this method to release resources allocated for this port, if any.
java.lang.String	getStat()
void	send(org.jnetpcap.nio.JBuffer packet) Invoked by the clients.
void	start() Start packet pumping thread.
void	stop() Stop packet pumping thread.

Methods inherited from class com.gremwell.jnetbridge.Port

getName, setListener, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

PcapPort

public PcapPort(java.lang.String name)
         throws PcapException

Prepare the interface to receive and send packets. May throw an exception if an error occurs.

Parameters:

name - Name of the interface to open

Throws:

PcapException

Method Detail

send

public void send(org.jnetpcap.nio.JBuffer packet)

Description copied from class: Port

Invoked by the clients. The subclasses of Port have to send the packet immediately or enqueue it.

Specified by:

send in class Port

start

public void start()

Start packet pumping thread. The thread will run until stop() or close().

stop

public void stop()

Stop packet pumping thread. Invoked by close().

close

public void close()

Description copied from class: Port

The clients have to invoke this method to release resources allocated for this port, if any.

Specified by:

close in class Port

getStat

public java.lang.String getStat()

Overrides:

getStat in class Port

Returns:

A string containing current packet and error counters.

See Also:

Port.getStat()