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558b914c64
* Rename unity files * Move some modules to new subdirectories * Remove obsolete Visual Studio project files * Remove obsolete coding style and TODO list
79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef BEAST_ASIO_BASICS_CONTENTBODYBUFFER_H_INCLUDED
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#define BEAST_ASIO_BASICS_CONTENTBODYBUFFER_H_INCLUDED
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/** Dynamic storage optimized for a large Content-Body of unknown size.
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This comes at the expense of discontiguous storage of the segments.
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We derive from SharedObject to make transfer of ownership inexpensive.
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*/
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class ContentBodyBuffer
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{
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public:
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enum
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{
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defaultBlocksize = 32 * 1024
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};
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typedef std::size_t size_type;
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typedef ConstBuffers const_buffers_tyoe;
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typedef MutableBuffers mutable_buffers_type;
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explicit ContentBodyBuffer (size_type blocksize = defaultBlocksize);
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~ContentBodyBuffer ();
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/** Swap the contents of this buffer with another.
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This is the preferred way to transfer ownership.
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*/
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void swapWith (ContentBodyBuffer& other);
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/** Move bytes from the output to the input sequence.
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This will invalidate references to buffers.
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*/
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void commit (size_type n);
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/** Returns a buffer to the input sequence. */
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ConstBuffers data () const;
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/** Returns the size of the input sequence. */
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size_type size () const;
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/** Reserve space in the output sequence.
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This also returns a buffer suitable for writing.
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*/
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MutableBuffers prepare (size_type n);
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/** Reserve space in the output sequence. */
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void reserve (size_type n);
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/** Release memory while preserving the input sequence. */
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void shrink_to_fit ();
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private:
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typedef std::vector <void*> Handles;
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size_type m_blocksize;
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size_type m_size;
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Handles m_handles;
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};
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#endif
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