evf::RawMsgBuf Class Reference

#include <RawMsgBuf.h>

Inheritance diagram for evf::RawMsgBuf:

Public Member Functions
void	initialise (unsigned int rawCellSize)
FUShmRawCell *	rawCell ()
	RawMsgBuf (unsigned int size, unsigned int type)
unsigned int	usedSize ()
virtual	~RawMsgBuf ()
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
FUShmRawCell *	theRawCell_

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 for Message Queue, holds an entire FUShmRawCell to transport.

Author:

aspataru

Definition at line 23 of file RawMsgBuf.h.

Constructor & Destructor Documentation

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

Definition at line 8 of file RawMsgBuf.cc.

                                                         :
    MsgBuf(size, type), theRawCell_(0) {

}

RawMsgBuf::~RawMsgBuf ( )

virtual

Definition at line 13 of file RawMsgBuf.cc.

References theRawCell_, and evf::FUShmRawCell::~FUShmRawCell().

                      {
    theRawCell_->~FUShmRawCell();
    //delete[] buf_;
}

Member Function Documentation

void RawMsgBuf::initialise

(

unsigned int

rawCellSize

)

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

Definition at line 18 of file RawMsgBuf.cc.

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

Referenced by evf::RawCache::initialise().

                                                   {
    // construct the FUShmRawCell at the buffer address
    // the memory is allocated in the super constructor
    theRawCell_ = new (ptr_->mtext) FUShmRawCell(rawCellSize);

}

FUShmRawCell* evf::RawMsgBuf::rawCell ( )

inline

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

Definition at line 35 of file RawMsgBuf.h.

References evf::MsgBuf::ptr_.

Referenced by evf::FUResourceQueue::buildResource(), and evf::RawCache::releaseMsg().

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

unsigned int evf::RawMsgBuf::usedSize ( )

inline

Returns the actually used size in bytes of the buffer.

Definition at line 41 of file RawMsgBuf.h.

References evf::FUShmRawCell::eventSize(), and theRawCell_.

Referenced by evf::FUResourceQueue::buildResource().

                                   {
        return theRawCell_->eventSize() + sizeof(long int);
    }

Friends And Related Function Documentation

friend class MasterQueue

friend

Definition at line 48 of file RawMsgBuf.h.

Member Data Documentation

FUShmRawCell* evf::RawMsgBuf::theRawCell_

private

Definition at line 46 of file RawMsgBuf.h.

Referenced by initialise(), usedSize(), and ~RawMsgBuf().