edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever Class Reference

Handles communication with the remote server, including asking for data and parsing data, but not opening the connection or closing the connection. More...

Collaboration diagram for edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever:

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List of all members.

Public Member Functions
	RemoteDataRetriever (Socket _serverConnection, Shell _shell, int _compressionType) throws IOException
void	getData (ImageTraceAttributes attributes, HashMap< Integer, CallPath > _scopeMap, final ConcurrentLinkedQueue< DecompressionItemToDo > workToDo) throws IOException
	Issues a command to the remote server for the data requested, and waits for a response.
void	closeConnection () throws IOException
Static Public Member Functions
static int	getTimeSleep ()
static int	getTimeOut ()
Static Package Functions
static int	waitAndReadInt (DataInputStream receiver) throws IOException
Package Attributes
DataInputStream	receiver
BufferedInputStream	rcvBacking
DataOutputStream	sender
final int	compressionType
Private Member Functions
void	requestData (int P0, int Pn, long t0, long tn, int vertRes, int horizRes) throws IOException
Private Attributes
final Socket	socket
Static Private Attributes
static final int	DATA = 0x44415441
static final int	HERE = 0x48455245
static final int	TIME_OUT = 2000
static final int	TIME_SLEEP = 50

Detailed Description

Handles communication with the remote server, including asking for data and parsing data, but not opening the connection or closing the connection.

It assumes the connection has already been opened by RemoteDBOpener and can be retrieved from SpaceTimeDataControllerRemote. See protocol documentation at the end of this file.

Author:: Philip Taffet

Definition at line 33 of file RemoteDataRetriever.java.

Constructor & Destructor Documentation

edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.RemoteDataRetriever	(	Socket	_serverConnection,
		Shell	_shell,
		int	_compressionType
	)			throws IOException

Definition at line 71 of file RemoteDataRetriever.java.

References edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.compressionType, edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.rcvBacking, edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.receiver, edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.sender, and edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.socket.

Member Function Documentation

void edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.closeConnection ( ) throws IOException

Definition at line 250 of file RemoteDataRetriever.java.

References edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.receiver, edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.sender, and edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.socket.

Referenced by edu.rice.cs.hpc.traceviewer.db.remote.SpaceTimeDataControllerRemote.closeDB().

void edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.getData	(	ImageTraceAttributes	attributes,
		HashMap< Integer, CallPath >	_scopeMap,
		final ConcurrentLinkedQueue< DecompressionItemToDo >	workToDo
	)			throws IOException

Issues a command to the remote server for the data requested, and waits for a response.

Parameters:

	P0	The lower bound of the ranks to get
	Pn	The upper bound of the ranks to get
	t0	The lower bound for the time to get
	tn	The upper bound for the time to get
	vertRes	The number of pixels in the vertical direction (process axis). This is used to compute a stride so that not every rank is included
	horizRes	The number of pixels in the horizontal direction (time axis). This is used to compute a delta_t that controls how many samples are returned per rank

Returns:

Exceptions:

IOException

Definition at line 94 of file RemoteDataRetriever.java.

References edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.compressionType, edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.HERE, edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.receiver, edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.requestData(), and edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.waitAndReadInt().

Referenced by edu.rice.cs.hpc.traceviewer.db.remote.SpaceTimeDataControllerRemote.fillTracesWithData().

static int edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.getTimeOut ( ) [static]

Definition at line 263 of file RemoteDataRetriever.java.

References edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.TIME_OUT.

static int edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.getTimeSleep ( ) [static]

Definition at line 259 of file RemoteDataRetriever.java.

References edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.TIME_SLEEP.

void edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.requestData	(	int	P0,
		int	Pn,
		long	t0,
		long	tn,
		int	vertRes,
		int	horizRes
	)			throws IOException `[private]`

Definition at line 191 of file RemoteDataRetriever.java.

References edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.DATA, and edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.sender.

Referenced by edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.getData().

static int edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.waitAndReadInt ( DataInputStream receiver ) throws IOException [static, package]

Definition at line 205 of file RemoteDataRetriever.java.

References edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.receiver, edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.TIME_OUT, and edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.TIME_SLEEP.

Referenced by edu.rice.cs.hpc.traceviewer.db.remote.RemoteDataRetriever.getData().