diff options
Diffstat (limited to 'indra/llcommon/llkeythrottle.h')
| -rw-r--r-- | indra/llcommon/llkeythrottle.h | 93 |
1 files changed, 72 insertions, 21 deletions
diff --git a/indra/llcommon/llkeythrottle.h b/indra/llcommon/llkeythrottle.h index 873f50a65e..1f576cc19e 100644 --- a/indra/llcommon/llkeythrottle.h +++ b/indra/llcommon/llkeythrottle.h @@ -1,31 +1,25 @@ /** * @file llkeythrottle.h * - * $LicenseInfo:firstyear=2005&license=viewergpl$ - * - * Copyright (c) 2005-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2005&license=viewerlgpl$ * Second Life Viewer Source Code - * The source code in this file ("Source Code") is provided by Linden Lab - * to you under the terms of the GNU General Public License, version 2.0 - * ("GPL"), unless you have obtained a separate licensing agreement - * ("Other License"), formally executed by you and Linden Lab. Terms of - * the GPL can be found in doc/GPL-license.txt in this distribution, or - * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2 + * Copyright (C) 2010, Linden Research, Inc. * - * There are special exceptions to the terms and conditions of the GPL as - * it is applied to this Source Code. View the full text of the exception - * in the file doc/FLOSS-exception.txt in this software distribution, or - * online at - * http://secondlifegrid.net/programs/open_source/licensing/flossexception + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. * - * By copying, modifying or distributing this software, you acknowledge - * that you have read and understood your obligations described above, - * and agree to abide by those obligations. + * This library 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 + * Lesser General Public License for more details. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -118,6 +112,63 @@ public: THROTTLE_BLOCKED, // rate exceed, block key }; + F64 getActionCount(const T& id) + { + U64 now = 0; + if ( mIsRealtime ) + { + now = LLKeyThrottleImpl<T>::getTime(); + } + else + { + now = LLKeyThrottleImpl<T>::getFrame(); + } + + if (now >= (m.startTime + m.intervalLength)) + { + if (now < (m.startTime + 2 * m.intervalLength)) + { + // prune old data + delete m.prevMap; + m.prevMap = m.currMap; + m.currMap = new typename LLKeyThrottleImpl<T>::EntryMap; + + m.startTime += m.intervalLength; + } + else + { + // lots of time has passed, all data is stale + delete m.prevMap; + delete m.currMap; + m.prevMap = new typename LLKeyThrottleImpl<T>::EntryMap; + m.currMap = new typename LLKeyThrottleImpl<T>::EntryMap; + + m.startTime = now; + } + } + + U32 prevCount = 0; + + typename LLKeyThrottleImpl<T>::EntryMap::const_iterator prev = m.prevMap->find(id); + if (prev != m.prevMap->end()) + { + prevCount = prev->second.count; + } + + typename LLKeyThrottleImpl<T>::Entry& curr = (*m.currMap)[id]; + + // curr.count is the number of keys in + // this current 'time slice' from the beginning of it until now + // prevCount is the number of keys in the previous + // time slice scaled to be one full time slice back from the current + // (now) time. + + // compute current, windowed rate + F64 timeInCurrent = ((F64)(now - m.startTime) / m.intervalLength); + F64 averageCount = curr.count + prevCount * (1.0 - timeInCurrent); + return averageCount; + } + // call each time the key wants use State noteAction(const T& id, S32 weight = 1) { |