2003-01-16 08:26:22 +00:00
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//------------------------------------------------------------------------------
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// Copyright (c) 2001-2002, OpenBeOS
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the "Software"),
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// to deal in the Software without restriction, including without limitation
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// the rights to use, copy, modify, merge, publish, distribute, sublicense,
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// and/or sell copies of the Software, and to permit persons to whom the
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// Software is furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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// File Name: session.h
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// Author: Ingo Weinhold (bonefish@users.sf.net)
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// Description: hook function declarations for disk_scanner session modules
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//------------------------------------------------------------------------------
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/*!
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\file session.h
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hook function declarations for disk_scanner session modules
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*/
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2002-12-21 19:07:30 +00:00
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#ifndef _PARTSCAN_SESSION_H
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#define _PARTSCAN_SESSION_H
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#include <module.h>
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struct session_info;
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typedef bool (*session_identify_hook)(int deviceFD, off_t deviceSize,
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int32 blockSize);
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typedef status_t (*session_get_nth_info_hook)(int deviceFD, int32 index,
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off_t deviceSize, int32 blockSize, struct session_info *sessionInfo);
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typedef struct session_module_info {
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module_info module;
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session_identify_hook identify;
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session_get_nth_info_hook get_nth_info;
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} session_module_info;
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/*
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identify():
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----------
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Checks whether the module knows about sessions on the given device.
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Returns true, if it does, false otherwise.
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params:
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deviceFD: a device FD
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deviceSize: size of the device in bytes
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blockSize: the logical block size
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get_nth_info():
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--------------
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Fills in all fields of sessionInfo with information about
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the indexth session on the specified device.
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params:
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deviceFD: a device FD
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index: the session index
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deviceSize: size of the device in bytes
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blockSize: the logical block size
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sessionInfo: the session info
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The functions is only called, when a call to identify() returned
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true.
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Returns B_OK, if successful, B_ENTRY_NOT_FOUND, if the index is out of
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range.
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*/
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#endif // _PARTSCAN_SESSION_H
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