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/**
* @file llchainio.cpp
* @author Phoenix
* @date 2005-08-04
* @brief Implementaiton of the chain factory.
*
* $LicenseInfo:firstyear=2005&license=viewergpl$
*
* 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 "llchainio.h"
#include "lliopipe.h"
#include "llioutil.h"
/**
* LLDeferredChain
*/
// static
bool LLDeferredChain::addToPump(
LLPumpIO* pump,
F32 in_seconds,
const LLPumpIO::chain_t& deferred_chain,
F32 chain_timeout)
{
if(!pump) return false;
LLPumpIO::chain_t sleep_chain;
sleep_chain.push_back(LLIOPipe::ptr_t(new LLIOSleep(in_seconds)));
sleep_chain.push_back(
LLIOPipe::ptr_t(new LLIOAddChain(deferred_chain, chain_timeout)));
// give it a litle bit of padding.
pump->addChain(sleep_chain, in_seconds + 10.0f);
return true;
}
/**
* LLChainIOFactory
*/
LLChainIOFactory::LLChainIOFactory()
{
}
// virtual
LLChainIOFactory::~LLChainIOFactory()
{
}
#if 0
bool LLChainIOFactory::build(LLIOPipe* in, LLIOPipe* out) const
{
if(!in || !out)
{
return false;
}
LLIOPipe* first = NULL;
LLIOPipe* last = NULL;
if(build_impl(first, last) && first && last)
{
in->connect(first);
last->connect(out);
return true;
}
LLIOPipe::ptr_t foo(first);
LLIOPipe::ptr_t bar(last);
return false;
}
#endif
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