118 lines
2.9 KiB
C++
118 lines
2.9 KiB
C++
/**
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* @file llservice.cpp
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* @author Phoenix
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* @date 2005-04-20
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*
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* $LicenseInfo:firstyear=2005&license=viewergpl$
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*
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* Copyright (c) 2005-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#include "linden_common.h"
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#include "llservice.h"
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LLService::creators_t LLService::sCreatorFunctors;
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LLService::LLService()
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{
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}
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LLService::~LLService()
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{
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}
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// static
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bool LLService::registerCreator(const std::string& name, creator_t fn)
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{
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llinfos << "LLService::registerCreator(" << name << ")" << llendl;
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if(name.empty())
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{
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return false;
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}
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creators_t::value_type vt(name, fn);
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std::pair<creators_t::iterator, bool> rv = sCreatorFunctors.insert(vt);
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return rv.second;
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// alternately...
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//std::string name_str(name);
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//sCreatorFunctors[name_str] = fn;
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}
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// static
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LLIOPipe* LLService::activate(
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const std::string& name,
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LLPumpIO::chain_t& chain,
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LLSD context)
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{
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if(name.empty())
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{
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llinfos << "LLService::activate - no service specified." << llendl;
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return NULL;
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}
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creators_t::iterator it = sCreatorFunctors.find(name);
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LLIOPipe* rv = NULL;
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if(it != sCreatorFunctors.end())
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{
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if((*it).second->build(chain, context))
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{
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rv = chain[0].get();
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}
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else
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{
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// empty out the chain, because failed service creation
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// should just discard this stuff.
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llwarns << "LLService::activate - unable to build chain: " << name
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<< llendl;
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chain.clear();
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}
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}
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else
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{
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llwarns << "LLService::activate - unable find factory: " << name
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<< llendl;
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}
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return rv;
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}
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// static
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bool LLService::discard(const std::string& name)
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{
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if(name.empty())
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{
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return false;
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}
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creators_t::iterator it = sCreatorFunctors.find(name);
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if(it != sCreatorFunctors.end())
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{
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//(*it).second->discard();
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sCreatorFunctors.erase(it);
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return true;
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}
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return false;
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}
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