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/*
* $Id: DelayBucket.cc,v 1.7 2007/05/29 13:31:36 amosjeffries Exp $
*
* DEBUG: section 77 Delay Pools
* AUTHOR: Robert Collins <robertc@squid-cache.org>
* Based upon original delay pools code by
* David Luyer <david@luyer.net>
*
* SQUID Web Proxy Cache http://www.squid-cache.org/
* ----------------------------------------------------------
*
* Squid is the result of efforts by numerous individuals from
* the Internet community; see the CONTRIBUTORS file for full
* details. Many organizations have provided support for Squid's
* development; see the SPONSORS file for full details. Squid is
* Copyrighted (C) 2001 by the Regents of the University of
* California; see the COPYRIGHT file for full details. Squid
* incorporates software developed and/or copyrighted by other
* sources; see the CREDITS file for full details.
*
* 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, USA.
*
*
* Copyright (c) 2003, Robert Collins <robertc@squid-cache.org>
*/
#include "config.h"
#if DELAY_POOLS
#include "squid.h"
#include "DelayBucket.h"
#include "DelaySpec.h"
#include "Store.h"
/*
#include "DelayPools.h"
#include "StoreClient.h"
#include "MemObject.h"
#include "client_side_request.h"
#include "ACLChecklist.h"
#include "ACL.h"
#include "ConfigParser.h"
#include "DelayId.h"
#include "Array.h"
#include "String.h"
#include "CommonPool.h"
#include "CompositePoolNode.h"
#include "DelayPool.h"
#include "DelayVector.h"
#include "NullDelayId.h"
*/
void
DelayBucket::stats(StoreEntry *entry)const
{
storeAppendPrintf(entry, "%d", level());
}
void
DelayBucket::update (DelaySpec const &rate, int incr)
{
if (rate.restore_bps != -1 &&
(level() += rate.restore_bps * incr) > rate.max_bytes)
level() = rate.max_bytes;
}
int
DelayBucket::bytesWanted (int minimum, int maximum) const
{
int result = max(minimum, min(maximum, level()));
return result;
}
void
DelayBucket::bytesIn(int qty)
{
level() -= qty;
}
void
DelayBucket::init (DelaySpec const &rate)
{
level() = (int) (((double)rate.max_bytes *
Config.Delay.initial) / 100);
}
#endif
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