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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) 2005-2008, 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);
}
}
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