Interface to the Buffer's physical representation. Allow an interface to encapsulate the requirements of a buffer's memory, without worrying about the details. Various options exist for the specific buffer implemented, and are left to the sub-classes.
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#include <IXrdCephBufferData.hh>
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virtual | ~IXrdCephBufferData () |
virtual size_t | capacity () const =0 |
virtual ssize_t | invalidate ()=0 |
virtual bool | isValid () const =0 |
| Currently occupied and valid space, which may be less than capacity.
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virtual size_t | length () const =0 |
| total available space
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virtual const void * | raw () const =0 |
| write data into the buffer, store the external offset
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virtual void * | raw ()=0 |
virtual ssize_t | readBuffer (void *buf, off_t offset, size_t blen) const =0 |
| set cache into an invalid state
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virtual void | setLength (size_t len)=0 |
| Currently occupied and valid space, which may be less than capacity.
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virtual off_t | setStartingOffset (off_t offset)=0 |
virtual void | setValid (bool isValid)=0 |
virtual off_t | startingOffset () const =0 |
virtual ssize_t | writeBuffer (const void *buf, off_t offset, size_t blen, off_t externalOffset)=0 |
| copy data from the internal buffer to buf
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Interface to the Buffer's physical representation. Allow an interface to encapsulate the requirements of a buffer's memory, without worrying about the details. Various options exist for the specific buffer implemented, and are left to the sub-classes.
Definition at line 18 of file IXrdCephBufferData.hh.
◆ ~IXrdCephBufferData()
virtual XrdCephBuffer::IXrdCephBufferData::~IXrdCephBufferData |
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inlinevirtual |
◆ capacity()
virtual size_t XrdCephBuffer::IXrdCephBufferData::capacity |
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const |
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pure virtual |
◆ invalidate()
virtual ssize_t XrdCephBuffer::IXrdCephBufferData::invalidate |
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pure virtual |
◆ isValid()
virtual bool XrdCephBuffer::IXrdCephBufferData::isValid |
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const |
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pure virtual |
◆ length()
virtual size_t XrdCephBuffer::IXrdCephBufferData::length |
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const |
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pure virtual |
◆ raw() [1/2]
virtual const void * XrdCephBuffer::IXrdCephBufferData::raw |
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const |
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pure virtual |
◆ raw() [2/2]
virtual void * XrdCephBuffer::IXrdCephBufferData::raw |
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pure virtual |
◆ readBuffer()
virtual ssize_t XrdCephBuffer::IXrdCephBufferData::readBuffer |
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void * | buf, |
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off_t | offset, |
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size_t | blen ) const |
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pure virtual |
◆ setLength()
virtual void XrdCephBuffer::IXrdCephBufferData::setLength |
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size_t | len | ) |
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pure virtual |
◆ setStartingOffset()
virtual off_t XrdCephBuffer::IXrdCephBufferData::setStartingOffset |
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off_t | offset | ) |
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pure virtual |
◆ setValid()
virtual void XrdCephBuffer::IXrdCephBufferData::setValid |
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bool | isValid | ) |
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pure virtual |
◆ startingOffset()
virtual off_t XrdCephBuffer::IXrdCephBufferData::startingOffset |
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const |
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pure virtual |
◆ writeBuffer()
virtual ssize_t XrdCephBuffer::IXrdCephBufferData::writeBuffer |
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const void * | buf, |
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off_t | offset, |
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size_t | blen, |
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off_t | externalOffset ) |
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pure virtual |
The documentation for this class was generated from the following file: