/*
* Created on 02-Dec-2005
* Created by Paul Gardner
* Copyright (C) 2005, 2006 Aelitis, All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* AELITIS, SAS au capital de 40,000 euros
* 8 Allee Lenotre, La Grille Royale, 78600 Le Mesnil le Roi, France.
*
*/
package com.aelitis.azureus.core.diskmanager.access.impl;
import java.util.*;
import org.gudy.azureus2.core3.config.COConfigurationManager;
import org.gudy.azureus2.core3.util.DirectByteBuffer;
import com.aelitis.azureus.core.diskmanager.access.DiskAccessController;
import com.aelitis.azureus.core.diskmanager.access.DiskAccessRequest;
import com.aelitis.azureus.core.diskmanager.access.DiskAccessRequestListener;
import com.aelitis.azureus.core.diskmanager.cache.CacheFile;
import com.aelitis.azureus.core.stats.AzureusCoreStats;
import com.aelitis.azureus.core.stats.AzureusCoreStatsProvider;
public class
DiskAccessControllerImpl
implements DiskAccessController, AzureusCoreStatsProvider
{
private DiskAccessControllerInstance read_dispatcher;
private DiskAccessControllerInstance write_dispatcher;
public
DiskAccessControllerImpl(
int _max_read_threads,
int _max_read_mb,
int _max_write_threads,
int _max_write_mb )
{
boolean enable_read_aggregation = COConfigurationManager.getBooleanParameter( "diskmanager.perf.read.aggregate.enable");
int read_aggregation_request_limit = COConfigurationManager.getIntParameter( "diskmanager.perf.read.aggregate.request.limit", 4 );
int read_aggregation_byte_limit = COConfigurationManager.getIntParameter( "diskmanager.perf.read.aggregate.byte.limit", 64*1024 );
boolean enable_write_aggregation = COConfigurationManager.getBooleanParameter( "diskmanager.perf.write.aggregate.enable");
int write_aggregation_request_limit = COConfigurationManager.getIntParameter( "diskmanager.perf.write.aggregate.request.limit", 8 );
int write_aggregation_byte_limit = COConfigurationManager.getIntParameter( "diskmanager.perf.write.aggregate.byte.limit", 128*1024 );
read_dispatcher =
new DiskAccessControllerInstance(
"read",
enable_read_aggregation,
read_aggregation_request_limit,
read_aggregation_byte_limit,
_max_read_threads,
_max_read_mb );
write_dispatcher =
new DiskAccessControllerInstance(
"write",
enable_write_aggregation,
write_aggregation_request_limit,
write_aggregation_byte_limit,
_max_write_threads,
_max_write_mb );
Set types = new HashSet();
types.add( AzureusCoreStats.ST_DISK_READ_QUEUE_LENGTH );
types.add( AzureusCoreStats.ST_DISK_READ_QUEUE_BYTES );
types.add( AzureusCoreStats.ST_DISK_READ_REQUEST_COUNT );
types.add( AzureusCoreStats.ST_DISK_READ_REQUEST_SINGLE );
types.add( AzureusCoreStats.ST_DISK_READ_REQUEST_MULTIPLE );
types.add( AzureusCoreStats.ST_DISK_READ_REQUEST_BLOCKS );
types.add( AzureusCoreStats.ST_DISK_READ_BYTES_TOTAL );
types.add( AzureusCoreStats.ST_DISK_READ_BYTES_SINGLE );
types.add( AzureusCoreStats.ST_DISK_READ_BYTES_MULTIPLE );
types.add( AzureusCoreStats.ST_DISK_READ_IO_TIME );
types.add( AzureusCoreStats.ST_DISK_WRITE_QUEUE_LENGTH );
types.add( AzureusCoreStats.ST_DISK_WRITE_QUEUE_BYTES );
types.add( AzureusCoreStats.ST_DISK_WRITE_REQUEST_COUNT );
types.add( AzureusCoreStats.ST_DISK_WRITE_REQUEST_BLOCKS );
types.add( AzureusCoreStats.ST_DISK_WRITE_BYTES_TOTAL );
types.add( AzureusCoreStats.ST_DISK_WRITE_BYTES_SINGLE );
types.add( AzureusCoreStats.ST_DISK_WRITE_BYTES_MULTIPLE );
types.add( AzureusCoreStats.ST_DISK_WRITE_IO_TIME );
AzureusCoreStats.registerProvider( types, this );
}
public void
updateStats(
Set types,
Map values )
{
//read
if ( types.contains( AzureusCoreStats.ST_DISK_READ_QUEUE_LENGTH )){
values.put( AzureusCoreStats.ST_DISK_READ_QUEUE_LENGTH, new Long( read_dispatcher.getQueueSize()));
}
if ( types.contains( AzureusCoreStats.ST_DISK_READ_QUEUE_BYTES )){
values.put( AzureusCoreStats.ST_DISK_READ_QUEUE_BYTES, new Long( read_dispatcher.getQueuedBytes()));
}
if ( types.contains( AzureusCoreStats.ST_DISK_READ_REQUEST_COUNT )){
values.put( AzureusCoreStats.ST_DISK_READ_REQUEST_COUNT, new Long( read_dispatcher.getTotalRequests()));
}
if ( types.contains( AzureusCoreStats.ST_DISK_READ_REQUEST_SINGLE )){
values.put( AzureusCoreStats.ST_DISK_READ_REQUEST_SINGLE, new Long( read_dispatcher.getTotalSingleRequests()));
}
if ( types.contains( AzureusCoreStats.ST_DISK_READ_REQUEST_MULTIPLE )){
values.put( AzureusCoreStats.ST_DISK_READ_REQUEST_MULTIPLE, new Long( read_dispatcher.getTotalAggregatedRequests()));
}
if ( types.contains( AzureusCoreStats.ST_DISK_READ_REQUEST_BLOCKS )){
values.put( AzureusCoreStats.ST_DISK_READ_REQUEST_BLOCKS, new Long( read_dispatcher.getBlockCount()));
}
if ( types.contains( AzureusCoreStats.ST_DISK_READ_BYTES_TOTAL )){
values.put( AzureusCoreStats.ST_DISK_READ_BYTES_TOTAL, new Long( read_dispatcher.getTotalBytes()));
}
if ( types.contains( AzureusCoreStats.ST_DISK_READ_BYTES_SINGLE )){
values.put( AzureusCoreStats.ST_DISK_READ_BYTES_SINGLE, new Long( read_dispatcher.getTotalSingleBytes()));
}
if ( types.contains( AzureusCoreStats.ST_DISK_READ_BYTES_MULTIPLE )){
values.put( AzureusCoreStats.ST_DISK_READ_BYTES_MULTIPLE, new Long( read_dispatcher.getTotalAggregatedBytes()));
}
if ( types.contains( AzureusCoreStats.ST_DISK_READ_IO_TIME )){
values.put( AzureusCoreStats.ST_DISK_READ_IO_TIME, new Long( read_dispatcher.getIOTime()));
}
// write
if ( types.contains( AzureusCoreStats.ST_DISK_WRITE_QUEUE_LENGTH )){
values.put( AzureusCoreStats.ST_DISK_WRITE_QUEUE_LENGTH, new Long( write_dispatcher.getQueueSize()));
}
if ( types.contains( AzureusCoreStats.ST_DISK_WRITE_QUEUE_BYTES )){
values.put( AzureusCoreStats.ST_DISK_WRITE_QUEUE_BYTES, new Long( write_dispatcher.getQueuedBytes()));
}
if ( types.contains( AzureusCoreStats.ST_DISK_WRITE_REQUEST_COUNT )){
values.put( AzureusCoreStats.ST_DISK_WRITE_REQUEST_COUNT, new Long( write_dispatcher.getTotalRequests()));
}
if ( types.contains( AzureusCoreStats.ST_DISK_WRITE_REQUEST_BLOCKS )){
values.put( AzureusCoreStats.ST_DISK_WRITE_REQUEST_BLOCKS, new Long( write_dispatcher.getBlockCount()));
}
if ( types.contains( AzureusCoreStats.ST_DISK_WRITE_BYTES_TOTAL )){
values.put( AzureusCoreStats.ST_DISK_WRITE_BYTES_TOTAL, new Long( write_dispatcher.getTotalBytes()));
}
if ( types.contains( AzureusCoreStats.ST_DISK_WRITE_BYTES_SINGLE )){
values.put( AzureusCoreStats.ST_DISK_WRITE_BYTES_SINGLE, new Long( write_dispatcher.getTotalSingleBytes()));
}
if ( types.contains( AzureusCoreStats.ST_DISK_WRITE_BYTES_MULTIPLE )){
values.put( AzureusCoreStats.ST_DISK_WRITE_BYTES_MULTIPLE, new Long( write_dispatcher.getTotalAggregatedBytes()));
}
if ( types.contains( AzureusCoreStats.ST_DISK_WRITE_IO_TIME )){
values.put( AzureusCoreStats.ST_DISK_WRITE_IO_TIME, new Long( write_dispatcher.getIOTime()));
}
}
public DiskAccessRequest
queueReadRequest(
CacheFile file,
long offset,
DirectByteBuffer buffer,
short cache_policy,
DiskAccessRequestListener listener )
{
DiskAccessRequestImpl request =
new DiskAccessRequestImpl(
file,
offset,
buffer,
listener,
DiskAccessRequestImpl.OP_READ,
cache_policy );
read_dispatcher.queueRequest( request );
return( request );
}
public DiskAccessRequest
queueWriteRequest(
CacheFile file,
long offset,
DirectByteBuffer buffer,
boolean free_buffer,
DiskAccessRequestListener listener )
{
// System.out.println( "write request: " + offset );
DiskAccessRequestImpl request =
new DiskAccessRequestImpl(
file,
offset,
buffer,
listener,
free_buffer?DiskAccessRequestImpl.OP_WRITE_AND_FREE:DiskAccessRequestImpl.OP_WRITE,
CacheFile.CP_NONE );
write_dispatcher.queueRequest( request );
return( request );
}
}
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