mirror of
https://github.com/amadvance/snapraid.git
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118 lines
3.7 KiB
C
118 lines
3.7 KiB
C
/*
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* Copyright (C) 2011 Andrea Mazzoleni
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __STATE_H
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#define __STATE_H
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/****************************************************************************/
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/* state */
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/**
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* Global variable to identify if Ctrl+C is pressed.
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*/
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extern volatile int global_interrupt;
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#define HASH_MURMUR3 0
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#define HASH_MD5 1
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struct snapraid_state {
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int verbose; /**< Verbose output. */
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int gui; /**< Gui output. */
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int force_zero; /**< Forced dangerous operations of synching file now with zero size. */
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int force_empty; /**< Forced dangerous operations of synching disk now empty. */
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int expect_unrecoverable; /**< Expect presence of unrecoverable error in checking or fixing. */
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int expect_recoverable; /**< Expect presence of recoverable error in checking. */
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int need_write; /**< If the state is changed. */
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uint32_t block_size; /**< Block size in bytes. */
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char parity[PATH_MAX]; /**< Path of the parity file. */
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char qarity[PATH_MAX]; /**< Path of the qarity file. */
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unsigned level; /**< Number of parity levels. 1 for RAID5, 2 for RAID6. */
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unsigned hash; /**< Hash kind used. */
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tommy_list contentlist; /**< List of content files. */
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tommy_array diskarr; /**< Disk array. */
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tommy_list filterlist; /**< List of inclusion/exclusion. */
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time_t progress_start; /**< Start of processing for progress visualization. */
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time_t progress_last; /**< Last update of progress visualization. */
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};
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/**
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* Initializes the state.
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*/
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void state_init(struct snapraid_state* state);
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/**
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* Deinitializes the state.
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*/
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void state_done(struct snapraid_state* state);
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/**
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* Read the configuration file.
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*/
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void state_config(struct snapraid_state* state, const char* path, int verbose, int gui, int force_zero, int force_empty, int expect_unrecoverable, int expect_recoverable);
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/**
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* Read the state.
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*/
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void state_read(struct snapraid_state* state);
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/**
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* Writes the new state.
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*/
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void state_write(struct snapraid_state* state);
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/**
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* Scans all the disks to update the state.
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*/
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void state_scan(struct snapraid_state* state, int output);
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/**
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* Syncs the parity data.
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*/
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int state_sync(struct snapraid_state* state, block_off_t blockstart, block_off_t blockcount);
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/**
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* Checks (and fixes) all the files and the parity data.
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*/
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void state_check(struct snapraid_state* state, int fix, block_off_t blockstart, block_off_t blockcount);
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/**
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* Read the files.
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*/
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void state_dry(struct snapraid_state* state, block_off_t blockstart, block_off_t blockcount);
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/**
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* Filter files.
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*/
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void state_filter(struct snapraid_state* state, tommy_list* filterlist);
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/**
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* Begins the progress visualization.
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*/
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void state_progress_begin(struct snapraid_state* state, block_off_t blockstart, block_off_t blockmax, block_off_t countmax);
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/**
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* Ends the progress visualization.
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*/
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void state_progress_end(struct snapraid_state* state, block_off_t countpos, block_off_t countmax, data_off_t countsize);
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/**
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* Writes the progress.
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*/
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int state_progress(struct snapraid_state* state, block_off_t blockpos, block_off_t countpos, block_off_t countmax, data_off_t countsize);
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#endif
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