Files
SingularityViewer/indra/llmessage/llservice.cpp
2010-04-02 02:48:44 -03:00

118 lines
2.9 KiB
C++

/**
* @file llservice.cpp
* @author Phoenix
* @date 2005-04-20
*
* $LicenseInfo:firstyear=2005&license=viewergpl$
*
* Copyright (c) 2005-2009, 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 "llservice.h"
LLService::creators_t LLService::sCreatorFunctors;
LLService::LLService()
{
}
LLService::~LLService()
{
}
// static
bool LLService::registerCreator(const std::string& name, creator_t fn)
{
llinfos << "LLService::registerCreator(" << name << ")" << llendl;
if(name.empty())
{
return false;
}
creators_t::value_type vt(name, fn);
std::pair<creators_t::iterator, bool> rv = sCreatorFunctors.insert(vt);
return rv.second;
// alternately...
//std::string name_str(name);
//sCreatorFunctors[name_str] = fn;
}
// static
LLIOPipe* LLService::activate(
const std::string& name,
LLPumpIO::chain_t& chain,
LLSD context)
{
if(name.empty())
{
llinfos << "LLService::activate - no service specified." << llendl;
return NULL;
}
creators_t::iterator it = sCreatorFunctors.find(name);
LLIOPipe* rv = NULL;
if(it != sCreatorFunctors.end())
{
if((*it).second->build(chain, context))
{
rv = chain[0].get();
}
else
{
// empty out the chain, because failed service creation
// should just discard this stuff.
llwarns << "LLService::activate - unable to build chain: " << name
<< llendl;
chain.clear();
}
}
else
{
llwarns << "LLService::activate - unable find factory: " << name
<< llendl;
}
return rv;
}
// static
bool LLService::discard(const std::string& name)
{
if(name.empty())
{
return false;
}
creators_t::iterator it = sCreatorFunctors.find(name);
if(it != sCreatorFunctors.end())
{
//(*it).second->discard();
sCreatorFunctors.erase(it);
return true;
}
return false;
}