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Downloads Products & Services Support Clients Open Source About Home / Open source / Terimber 2.0 aiofilefactory.h Go to the documentation of this file. /* * The Software License * ================================================================================= * Copyright (c) 2003-.The Terimber Corporation. All rights reserved. * ================================================================================= * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * The end-user documentation included with the redistribution, if any, * must include the following acknowledgment: * "This product includes software developed by the Terimber Corporation." * ================================================================================= * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESSED OR IMPLIED WARRANTIES, * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE TERIMBER CORPORATION OR ITS CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ================================================================================ */ #ifndef _terimber_aiofile_factory_h_ #define _terimber_aiofile_factory_h_ #include "log.h" enum aiofile_type { AIOFILE_UNKNOWN = 0, AIOFILE_READ, AIOFILE_WRITE }; class terimber_aiofile_callback { public: virtual ~terimber_aiofile_callback() {} virtual void v_on_error( size_t handle, int err, aiofile_type type, void* userdata ) = 0; virtual void v_on_write( size_t handle, void* buf, size_t requested, size_t processed, void* userdata ) = 0; virtual void v_on_read( size_t handle, void* buf, size_t requested, size_t processed, void* userdata ) = 0; }; class terimber_aiofile : public terimber_log_helper { public: virtual ~terimber_aiofile() {} virtual size_t open(const char* file_name, bool read_write, terimber_aiofile_callback* callback ) = 0; virtual void close( size_t handle ) = 0; virtual int write( size_t handle, size_t offset, const void* buf, size_t len, size_t timeout, void* userdata ) = 0; virtual int read( size_t handle, size_t offset, void* buf, size_t len, size_t timeout, void* userdata ) = 0; virtual void doxray() = 0; }; class terimber_aiofile_factory { public: terimber_aiofile_factory(); ~terimber_aiofile_factory(); // caller is responsible for destroying it // capacity means how many threads can be opened and used simultaniously // deactivate_time_msec is the interval in milliseconds (minimum 100 msec) // after that all unused threads returned to the pool will be closed terimber_aiofile* get_aiofile( terimber_log* log = 0, size_t capacity = 3, size_t deactivate_time_msec = 60000 ); }; #endif // _terimber_file_port_access_h_

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