lldispatcher.cpp
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- /**
- * @file lldispatcher.cpp
- * @brief Implementation of the dispatcher object.
- *
- * $LicenseInfo:firstyear=2004&license=viewergpl$
- *
- * Copyright (c) 2004-2010, 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 "lldispatcher.h"
- #include <algorithm>
- #include "llstl.h"
- #include "message.h"
- ///----------------------------------------------------------------------------
- /// Class lldispatcher
- ///----------------------------------------------------------------------------
- LLDispatcher::LLDispatcher()
- {
- }
- LLDispatcher::~LLDispatcher()
- {
- }
- bool LLDispatcher::isHandlerPresent(const key_t& name) const
- {
- if(mHandlers.find(name) != mHandlers.end())
- {
- return true;
- }
- return false;
- }
- void LLDispatcher::copyAllHandlerNames(keys_t& names) const
- {
- // copy the names onto the vector we are given
- std::transform(
- mHandlers.begin(),
- mHandlers.end(),
- std::back_insert_iterator<keys_t>(names),
- llselect1st<dispatch_map_t::value_type>());
- }
- bool LLDispatcher::dispatch(
- const key_t& name,
- const LLUUID& invoice,
- const sparam_t& strings) const
- {
- dispatch_map_t::const_iterator it = mHandlers.find(name);
- if(it != mHandlers.end())
- {
- LLDispatchHandler* func = (*it).second;
- return (*func)(this, name, invoice, strings);
- }
- llwarns << "Unable to find handler for Generic message: " << name << llendl;
- return false;
- }
- LLDispatchHandler* LLDispatcher::addHandler(
- const key_t& name, LLDispatchHandler* func)
- {
- dispatch_map_t::iterator it = mHandlers.find(name);
- LLDispatchHandler* old_handler = NULL;
- if(it != mHandlers.end())
- {
- old_handler = (*it).second;
- mHandlers.erase(it);
- }
- if(func)
- {
- // only non-null handlers so that we don't have to worry about
- // it later.
- mHandlers.insert(dispatch_map_t::value_type(name, func));
- }
- return old_handler;
- }
- // static
- bool LLDispatcher::unpackMessage(
- LLMessageSystem* msg,
- LLDispatcher::key_t& method,
- LLUUID& invoice,
- LLDispatcher::sparam_t& parameters)
- {
- char buf[MAX_STRING]; /*Flawfinder: ignore*/
- msg->getStringFast(_PREHASH_MethodData, _PREHASH_Method, method);
- msg->getUUIDFast(_PREHASH_MethodData, _PREHASH_Invoice, invoice);
- S32 size;
- S32 count = msg->getNumberOfBlocksFast(_PREHASH_ParamList);
- for (S32 i = 0; i < count; ++i)
- {
- // we treat the SParam as binary data (since it might be an
- // LLUUID in compressed form which may have embedded