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HandlerSet.hh
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HandlerSet.hh
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/**********
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; either version 2.1 of the License, or (at your
option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.)
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
**********/
// Copyright (c) 1996-2012 Live Networks, Inc. All rights reserved.
// Basic Usage Environment: for a simple, non-scripted, console application
// C++ header
#ifndef _HANDLER_SET_HH
#define _HANDLER_SET_HH
#ifndef _BOOLEAN_HH
#include "Boolean.hh"
#endif
////////// HandlerSet (etc.) definition //////////
class HandlerDescriptor {
HandlerDescriptor(HandlerDescriptor* nextHandler);
virtual ~HandlerDescriptor();
public:
int socketNum;
int conditionSet;
TaskScheduler::BackgroundHandlerProc* handlerProc;
void* clientData;
private:
// Descriptors are linked together in a doubly-linked list:
friend class HandlerSet;
friend class HandlerIterator;
HandlerDescriptor* fNextHandler;
HandlerDescriptor* fPrevHandler;
};
class HandlerSet {
public:
HandlerSet();
virtual ~HandlerSet();
void assignHandler(int socketNum, int conditionSet, TaskScheduler::BackgroundHandlerProc* handlerProc, void* clientData);
void clearHandler(int socketNum);
void moveHandler(int oldSocketNum, int newSocketNum);
private:
HandlerDescriptor* lookupHandler(int socketNum);
private:
friend class HandlerIterator;
HandlerDescriptor fHandlers;
};
class HandlerIterator {
public:
HandlerIterator(HandlerSet& handlerSet);
virtual ~HandlerIterator();
HandlerDescriptor* next(); // returns NULL if none
void reset();
private:
HandlerSet& fOurSet;
HandlerDescriptor* fNextPtr;
};
#endif