HandlerSet Class Reference

#include <HandlerSet.hh>

Collaboration diagram for HandlerSet:

[legend]

Public Member Functions
	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 Member Functions
HandlerDescriptor *	lookupHandler (int socketNum)
Private Attributes
HandlerDescriptor	fHandlers
Friends
class	HandlerIterator

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Detailed Description

Definition at line 47 of file HandlerSet.hh.

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Constructor & Destructor Documentation

HandlerSet::HandlerSet

(

)

Definition at line 167 of file BasicTaskScheduler0.cpp.

References fHandlers, and HandlerDescriptor::socketNum.

  : fHandlers(&fHandlers) {
  fHandlers.socketNum = -1; // shouldn't ever get looked at, but in case...
}

HandlerSet::~HandlerSet

(

)

[virtual]

Definition at line 172 of file BasicTaskScheduler0.cpp.

References fHandlers, and HandlerDescriptor::fNextHandler.

                        {
  // Delete each handler descriptor:
  while (fHandlers.fNextHandler != &fHandlers) {
    delete fHandlers.fNextHandler; // changes fHandlers->fNextHandler
  }
}

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Member Function Documentation

void HandlerSet::assignHandler	(	int	socketNum,
		int	conditionSet,
		TaskScheduler::BackgroundHandlerProc *	handlerProc,
		void *	clientData
	)

Definition at line 180 of file BasicTaskScheduler0.cpp.

References HandlerDescriptor::clientData, HandlerDescriptor::conditionSet, fHandlers, HandlerDescriptor::fNextHandler, HandlerDescriptor::handlerProc, lookupHandler(), NULL, and HandlerDescriptor::socketNum.

Referenced by BasicTaskScheduler::setBackgroundHandling().

                                                                                                                  {
  // First, see if there's already a handler for this socket:
  HandlerDescriptor* handler = lookupHandler(socketNum);
  if (handler == NULL) { // No existing handler, so create a new descr:
    handler = new HandlerDescriptor(fHandlers.fNextHandler);
    handler->socketNum = socketNum;
  }

  handler->conditionSet = conditionSet;
  handler->handlerProc = handlerProc;
  handler->clientData = clientData;
}

void HandlerSet::clearHandler

(

int

socketNum

)

Definition at line 193 of file BasicTaskScheduler0.cpp.

References lookupHandler().

Referenced by BasicTaskScheduler::setBackgroundHandling().

                                           {
  HandlerDescriptor* handler = lookupHandler(socketNum);
  delete handler;
}

void HandlerSet::moveHandler	(	int	oldSocketNum,
		int	newSocketNum
	)

Definition at line 198 of file BasicTaskScheduler0.cpp.

References lookupHandler(), NULL, and HandlerDescriptor::socketNum.

Referenced by BasicTaskScheduler::moveSocketHandling().

                                                               {
  HandlerDescriptor* handler = lookupHandler(oldSocketNum);
  if (handler != NULL) {
    handler->socketNum = newSocketNum;
  }
}

HandlerDescriptor * HandlerSet::lookupHandler

(

int

socketNum

)

[private]

Definition at line 205 of file BasicTaskScheduler0.cpp.

References iter, MediaSubsessionIterator::next(), NULL, and HandlerDescriptor::socketNum.

Referenced by assignHandler(), clearHandler(), and moveHandler().

                                                          {
  HandlerDescriptor* handler;
  HandlerIterator iter(*this);
  while ((handler = iter.next()) != NULL) {
    if (handler->socketNum == socketNum) break;
  }
  return handler;
}

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Friends And Related Function Documentation

friend class HandlerIterator [friend]

Definition at line 60 of file HandlerSet.hh.

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Field Documentation

HandlerDescriptor HandlerSet::fHandlers [private]

Definition at line 61 of file HandlerSet.hh.

Referenced by assignHandler(), HandlerSet(), HandlerIterator::next(), HandlerIterator::reset(), and ~HandlerSet().

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The documentation for this class was generated from the following files:

• BasicUsageEnvironment/include/HandlerSet.hh
• BasicUsageEnvironment/BasicTaskScheduler0.cpp

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