phoenix-firestorm/indra/lscript/lscript_execute/llscriptresourceconsumer.cpp

102 lines
2.5 KiB
C++

/**
* @file llscriptresourceconsumer.cpp
* @brief An interface for a script resource consumer.
*
* $LicenseInfo:firstyear=2008&license=internal$
*
* Copyright (c) 2008, Linden Research, Inc.
*
* The following source code is PROPRIETARY AND CONFIDENTIAL. Use of
* this source code is governed by the Linden Lab Source Code Disclosure
* Agreement ("Agreement") previously entered between you and Linden
* Lab. By accessing, using, copying, modifying or distributing this
* software, you acknowledge that you have been informed of your
* obligations under the Agreement 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 "llscriptresourceconsumer.h"
#include "llscriptresourcepool.h"
LLScriptResourceConsumer::LLScriptResourceConsumer()
: mScriptResourcePool(&LLScriptResourcePool::null)
{ }
// Get the resource pool this consumer is currently using.
// virtual
LLScriptResourcePool& LLScriptResourceConsumer::getScriptResourcePool()
{
return *mScriptResourcePool;
}
// Get the resource pool this consumer is currently using.
// virtual
const LLScriptResourcePool& LLScriptResourceConsumer::getScriptResourcePool() const
{
return *mScriptResourcePool;
}
// virtual
void LLScriptResourceConsumer::setScriptResourcePool(LLScriptResourcePool& new_pool)
{
mScriptResourcePool = &new_pool;
}
bool LLScriptResourceConsumer::switchScriptResourcePools(LLScriptResourcePool& new_pool)
{
if (&new_pool == &LLScriptResourcePool::null)
{
llwarns << "New pool is null" << llendl;
}
if (isInPool(new_pool))
{
return true;
}
if (!canUseScriptResourcePool(new_pool))
{
return false;
}
S32 used_urls = getUsedPublicURLs();
getScriptResourcePool().getPublicURLResource().release( used_urls );
setScriptResourcePool(new_pool);
getScriptResourcePool().getPublicURLResource().request( used_urls );
return true;
}
bool LLScriptResourceConsumer::canUseScriptResourcePool(const LLScriptResourcePool& resource_pool)
{
if (isInPool(resource_pool))
{
return true;
}
if (resource_pool.getPublicURLResource().getAvailable() < getUsedPublicURLs())
{
return false;
}
return true;
}
bool LLScriptResourceConsumer::isInPool(const LLScriptResourcePool& resource_pool)
{
const LLScriptResourcePool& current_pool = getScriptResourcePool();
if ( &resource_pool == &current_pool )
{
// This consumer is already in this pool
return true;
}
return false;
}