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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » com.sun.cldchi.tools.memoryprofiler.jdwp 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


java.lang.Object
   java.lang.Thread
      com.sun.cldchi.tools.memoryprofiler.jdwp.SocketTransportImpl

SocketTransportImpl
class SocketTransportImpl extends Thread (Code)
This class implements JDWP socket connection and works in the background thread.
See Also:   jdwp.SocketTransport
version:
  



Constructor Summary
public  SocketTransportImpl()
     Creates a new SocketTransportImpl object.

Method Summary
public  voidattachToServer()
     Establishes TCP/IP connection to the VM being debugged.

NOTE: It's one of few methods in KJDB that produces non-debug output directly.

public  intavailableInPrivateBuffer()
     Returns the number of bytes that are available in the buffer that that contains received handshake string.
public  voiddone()
     This method sets the finished field that indicates that the background thread is to be finished.
public  voidinitAsClient(String serverName, int portNumber, Vector replies)
     Intializes some internal fields of the object.
public  booleanisStarted()
     Checks if the background thread is initialized and is not received request for terminating yet.
public  intreadNextFromPrivateBuffer()
     Reads next byte from the buffer that contains received handshake string.
public  voidreceive()
     Stores a portion of received replies in the outer buffer.
public  voidrun()
     It's an entry point of background thread.
public  voidstartHandShake(int len)
     Initiates handshake procedure that is physically performed by run() method and waits for run() method's sterting the waiting for reply.
public  voidwrite(int b)
     Writes a specified byte into the socket.


Constructor Detail
SocketTransportImpl
public SocketTransportImpl()(Code)
Creates a new SocketTransportImpl object.




Method Detail
attachToServer
public void attachToServer() throws IOException, UnknownHostException(Code)
Establishes TCP/IP connection to the VM being debugged.

NOTE: It's one of few methods in KJDB that produces non-debug output directly. It's not good. For non-debug output classes must use kdb.Log class. So may be it's a good idea to remove the message this method prints.




availableInPrivateBuffer
public int availableInPrivateBuffer() throws IOException(Code)
Returns the number of bytes that are available in the buffer that that contains received handshake string. the number of bytes that are available in the bufferthat that contains received handshake string



done
public void done()(Code)
This method sets the finished field that indicates that the background thread is to be finished. After this it closes JDWP connection.



initAsClient
public void initAsClient(String serverName, int portNumber, Vector replies) throws IOException(Code)
Intializes some internal fields of the object. Need to be invoked immediately after constructor.
Parameters:
  serverName - a hostname where VM being debugged is running
Parameters:
  portNumber - a TCP/IP port number that should be used for connectingwith VM being debugged
Parameters:
  replies - a vector where it's necessary to put received JDWPreplies



isStarted
public boolean isStarted()(Code)
Checks if the background thread is initialized and is not received request for terminating yet. true if the background thread is initialized andis not received request for terminating yet, falseotherwise



readNextFromPrivateBuffer
public int readNextFromPrivateBuffer() throws IOException(Code)
Reads next byte from the buffer that contains received handshake string. next byte from the buffer that contains receivedhandshake string



receive
public void receive() throws IOException(Code)
Stores a portion of received replies in the outer buffer. If no replies are received since the previous call of this method it does nothing.
See Also:   SocketTransportImpl.replies
See Also:   SocketTransportImpl.repliesInternal
See Also:   jdwp.Transport.Replies



run
public void run()(Code)
It's an entry point of background thread. This method processes reading of handshake and normal JDWP packets and stores the received values in repliesInternal vector. Also this method establishes JDWP connection. The method works in a loop until finished field becomes true. After this the JDWP connections terminates.



startHandShake
public void startHandShake(int len)(Code)
Initiates handshake procedure that is physically performed by run() method and waits for run() method's sterting the waiting for reply. After this it exits. This procedure is performed immediately after establishing TCP/IP connection and consist on sending and receiving "JDWP-Handshake" string.
Parameters:
  an - expected length of received handshake string



write
public void write(int b) throws IOException(Code)
Writes a specified byte into the socket.
Parameters:
  b - a byte to be written



Fields inherited from java.lang.Thread
final public static int MAX_PRIORITY(Code)(Java Doc)
final public static int MIN_PRIORITY(Code)(Java Doc)
final public static int NORM_PRIORITY(Code)(Java Doc)

Methods inherited from java.lang.Thread
native public static int activeCount()(Code)(Java Doc)
native public static Thread currentThread()(Code)(Java Doc)
final public String getName()(Code)(Java Doc)
final public int getPriority()(Code)(Java Doc)
public void interrupt()(Code)(Java Doc)
final native public boolean isAlive()(Code)(Java Doc)
final public synchronized void join() throws InterruptedException(Code)(Java Doc)
public void run()(Code)(Java Doc)
final public void setPriority(int newPriority)(Code)(Java Doc)
native public static void sleep(long millis) throws InterruptedException(Code)(Java Doc)
public synchronized void start()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
native public static void yield()(Code)(Java Doc)

Methods inherited from java.lang.Object
public boolean equals(Object obj)(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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