llioutil.cpp
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- /**
- * @file llioutil.cpp
- * @author Phoenix
- * @date 2005-10-05
- * @brief Utility functionality for the io pipes.
- *
- * $LicenseInfo:firstyear=2005&license=viewergpl$
- *
- * Copyright (c) 2005-2010, Linden Research, Inc.
- *
- * 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
- *
- * 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
- *
- * 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.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #include "linden_common.h"
- #include "llioutil.h"
- /**
- * LLIOFlush
- */
- LLIOPipe::EStatus LLIOFlush::process_impl(
- const LLChannelDescriptors& channels,
- buffer_ptr_t& buffer,
- bool& eos,
- LLSD& context,
- LLPumpIO* pump)
- {
- eos = true;
- return STATUS_OK;
- }
- /**
- * @class LLIOSleep
- */
- LLIOPipe::EStatus LLIOSleep::process_impl(
- const LLChannelDescriptors& channels,
- buffer_ptr_t& buffer,
- bool& eos,
- LLSD& context,
- LLPumpIO* pump)
- {
- if(mSeconds > 0.0)
- {
- if(pump) pump->sleepChain(mSeconds);
- mSeconds = 0.0;
- return STATUS_BREAK;
- }
- return STATUS_DONE;
- }
- /**
- * @class LLIOAddChain
- */
- LLIOPipe::EStatus LLIOAddChain::process_impl(
- const LLChannelDescriptors& channels,
- buffer_ptr_t& buffer,
- bool& eos,
- LLSD& context,
- LLPumpIO* pump)
- {
- pump->addChain(mChain, mTimeout);
- return STATUS_DONE;
- }
- /**
- * LLChangeChannel
- */
- LLChangeChannel::LLChangeChannel(S32 is, S32 becomes) :
- mIs(is),
- mBecomes(becomes)
- {
- }
- void LLChangeChannel::operator()(LLSegment& segment)
- {
- if(segment.isOnChannel(mIs))
- {
- segment.setChannel(mBecomes);
- }
- }