evf::DQMMsgBuf Class Reference

#include <DQMMsgBuf.h>

Inheritance diagram for evf::DQMMsgBuf:

Public Member Functions
FUShmDqmCell *	dqmCell ()
	DQMMsgBuf (unsigned int size, unsigned int type)
void	initialise (unsigned int dqmCellSize)
virtual	~DQMMsgBuf ()
Public Member Functions inherited from evf::MsgBuf
	MsgBuf ()
	MsgBuf (unsigned int size, unsigned int type)
	MsgBuf (const MsgBuf &b)
size_t	msize ()
msgbuf *	operator-> ()
MsgBuf &	operator= (const MsgBuf &)
virtual	~MsgBuf ()

Private Attributes
FUShmDqmCell *	theDqmCell_

Friends
class	MasterQueue

Additional Inherited Members
Protected Attributes inherited from evf::MsgBuf
unsigned char *	buf_
size_t	msize_
struct msgbuf *	ptr_

Detailed Description

Message buffer containing a DQM Cell.

Author:

aspataru

Definition at line 23 of file DQMMsgBuf.h.

Constructor & Destructor Documentation

DQMMsgBuf::DQMMsgBuf	(	unsigned int	size,
		unsigned int	type
	)

Definition at line 14 of file DQMMsgBuf.cc.

                                                         :
    MsgBuf(size, type), theDqmCell_(0) {
}

DQMMsgBuf::~DQMMsgBuf ( )

virtual

Definition at line 18 of file DQMMsgBuf.cc.

References theDqmCell_, and evf::FUShmDqmCell::~FUShmDqmCell().

                      {
    theDqmCell_->~FUShmDqmCell();
    //delete[] buf_;
}

Member Function Documentation

FUShmDqmCell* evf::DQMMsgBuf::dqmCell ( )

inline

Returns a pointer to the DQM cell contained in the message buffer

Definition at line 37 of file DQMMsgBuf.h.

References evf::MsgBuf::ptr_.

Referenced by evf::FUResourceQueue::sendDqm(), and evf::FUResourceQueue::sendDqmWhileHalting().

                            {
        return (FUShmDqmCell*) ptr_->mtext;
    }

void DQMMsgBuf::initialise

(

unsigned int

dqmCellSize

)

Construct the DQM cell object in-place in the message buffer

Definition at line 23 of file DQMMsgBuf.cc.

References evf::MsgBuf::ptr_, and theDqmCell_.

                                                   {
    // construct the FUShmDqmCell at the buffer address
    // the memory is allocated in the super constructor
    theDqmCell_ = new (ptr_->mtext) FUShmDqmCell(dqmCellSize);
}

Friends And Related Function Documentation

friend class MasterQueue

friend

Definition at line 43 of file DQMMsgBuf.h.

Member Data Documentation

FUShmDqmCell* evf::DQMMsgBuf::theDqmCell_

private

Definition at line 42 of file DQMMsgBuf.h.

Referenced by initialise(), and ~DQMMsgBuf().