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