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/**
* @file llservice.cpp
* @author Phoenix
* @date 2005-04-20
*
* $LicenseInfo:firstyear=2005&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#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;
}
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