112 lines
2.5 KiB
C++
112 lines
2.5 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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* $LicenseInfo:firstyear=2005&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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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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