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/* dump-index.c -- implements the svn_fs_fs__dump_index private API
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* ====================================================================
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* ====================================================================
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#include "svn_pools.h"
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#include "private/svn_fs_fs_private.h"
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#include "../libsvn_fs/fs-loader.h"
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svn_fs_fs__dump_index(svn_fs_t *fs,
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svn_revnum_t revision,
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svn_fs_fs__dump_index_func_t callback_func,
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svn_cancel_func_t cancel_func,
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apr_pool_t *scratch_pool)
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fs_fs_data_t *ffd = fs->fsap_data;
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svn_fs_fs__revision_file_t *rev_file;
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apr_off_t offset, max_offset;
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apr_pool_t *iterpool = svn_pool_create(scratch_pool);
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/* Check the FS format. */
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if (! svn_fs_fs__use_log_addressing(fs))
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return svn_error_create(SVN_ERR_FS_UNSUPPORTED_FORMAT, NULL, NULL);
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/* Revision & index file access object. */
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SVN_ERR(svn_fs_fs__open_pack_or_rev_file(&rev_file, fs, revision,
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scratch_pool, iterpool));
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/* Offset range to cover. */
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SVN_ERR(svn_fs_fs__p2l_get_max_offset(&max_offset, fs, rev_file, revision,
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/* Walk through all P2L index entries in offset order. */
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for (offset = 0; offset < max_offset; )
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apr_array_header_t *entries;
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/* Read entries for the next block. There will be no overlaps since
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* we start at the first offset not covered. */
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svn_pool_clear(iterpool);
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SVN_ERR(svn_fs_fs__p2l_index_lookup(&entries, fs, rev_file, revision,
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offset, ffd->p2l_page_size,
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/* Print entries for this block, one line per entry. */
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for (i = 0; i < entries->nelts && offset < max_offset; ++i)
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const svn_fs_fs__p2l_entry_t *entry
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= &APR_ARRAY_IDX(entries, i, const svn_fs_fs__p2l_entry_t);
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offset = entry->offset + entry->size;
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/* Cancellation support */
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SVN_ERR(cancel_func(cancel_baton));
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/* Invoke processing callback. */
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SVN_ERR(callback_func(entry, callback_baton, iterpool));
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svn_pool_destroy(iterpool);