/* Create a packed filesystem in DIR. Set the shard size to
SHARD_SIZE and create NUM_REVS number of revisions (in addition to
r0). Use POOL for allocations. After this function successfully
completes, the filesystem's youngest revision number will be the
same as NUM_REVS. */
static svn_error_t *
create_packed_filesystem(const char *dir,
const svn_test_opts_t *opts,
int num_revs,
int shard_size,
apr_pool_t *pool)
{
svn_fs_t *fs;
svn_fs_txn_t *txn;
svn_fs_root_t *txn_root;
const char *conflict;
svn_revnum_t after_rev;
apr_pool_t *subpool = svn_pool_create(pool);
apr_pool_t *iterpool;
int version;
/* Create a filesystem, then close it */
SVN_ERR(svn_test__create_fs(&fs, dir, opts, subpool));
svn_pool_destroy(subpool);
subpool = svn_pool_create(pool);
/* Rewrite the format file */
SVN_ERR(svn_io_read_version_file(&version,
svn_dirent_join(dir, "format", subpool),
subpool));
SVN_ERR(write_format(dir, version, shard_size, subpool));
/* Reopen the filesystem */
SVN_ERR(svn_fs_open(&fs, dir, NULL, subpool));
/* Revision 1: the Greek tree */
SVN_ERR(svn_fs_begin_txn(&txn, fs, 0, subpool));
SVN_ERR(svn_fs_txn_root(&txn_root, txn, subpool));
SVN_ERR(svn_test__create_greek_tree(txn_root, subpool));
SVN_ERR(svn_fs_commit_txn(&conflict, &after_rev, txn, subpool));
SVN_TEST_ASSERT(SVN_IS_VALID_REVNUM(after_rev));
/* Revisions 2 thru NUM_REVS-1: content tweaks to "iota". */
iterpool = svn_pool_create(subpool);
while (after_rev < num_revs)
{
svn_pool_clear(iterpool);
SVN_ERR(svn_fs_begin_txn(&txn, fs, after_rev, iterpool));
SVN_ERR(svn_fs_txn_root(&txn_root, txn, iterpool));
SVN_ERR(svn_test__set_file_contents(txn_root, "iota",
get_rev_contents(after_rev + 1,
iterpool),
iterpool));
SVN_ERR(svn_fs_commit_txn(&conflict, &after_rev, txn, iterpool));
SVN_TEST_ASSERT(SVN_IS_VALID_REVNUM(after_rev));
}
svn_pool_destroy(iterpool);
svn_pool_destroy(subpool);
/* Now pack the FS */
return svn_fs_pack(dir, NULL, NULL, NULL, NULL, pool);
}
/* Create a packed filesystem in DIR. Set the shard size to SHARD_SIZE
and create MAX_REV number of revisions. Use POOL for allocations. */
static svn_error_t *
create_packed_filesystem(const char *dir,
svn_test_opts_t *opts,
int max_rev,
int shard_size,
apr_pool_t *pool)
{
svn_fs_t *fs;
svn_fs_txn_t *txn;
svn_fs_root_t *txn_root;
const char *conflict;
svn_revnum_t after_rev;
apr_pool_t *subpool = svn_pool_create(pool);
apr_pool_t *iterpool;
/* Create a filesystem, then close it */
SVN_ERR(svn_test__create_fs(&fs, dir, opts, subpool));
svn_pool_destroy(subpool);
subpool = svn_pool_create(pool);
/* Rewrite the format file */
SVN_ERR(write_format(dir, SVN_FS_FS__MIN_PACKED_FORMAT,
shard_size, subpool));
/* Reopen the filesystem */
SVN_ERR(svn_fs_open(&fs, dir, NULL, subpool));
/* Revision 1: the Greek tree */
SVN_ERR(svn_fs_begin_txn(&txn, fs, 0, subpool));
SVN_ERR(svn_fs_txn_root(&txn_root, txn, subpool));
SVN_ERR(svn_test__create_greek_tree(txn_root, subpool));
SVN_ERR(svn_fs_commit_txn(&conflict, &after_rev, txn, subpool));
/* Revisions 2-11: A bunch of random changes. */
iterpool = svn_pool_create(subpool);
while (after_rev < max_rev + 1)
{
svn_pool_clear(iterpool);
SVN_ERR(svn_fs_begin_txn(&txn, fs, after_rev, iterpool));
SVN_ERR(svn_fs_txn_root(&txn_root, txn, iterpool));
SVN_ERR(svn_test__set_file_contents(txn_root, "iota",
get_rev_contents(after_rev + 1,
iterpool),
iterpool));
SVN_ERR(svn_fs_commit_txn(&conflict, &after_rev, txn, iterpool));
}
svn_pool_destroy(iterpool);
svn_pool_destroy(subpool);
/* Now pack the FS */
return svn_fs_pack(dir, NULL, NULL, NULL, NULL, pool);
}
static svn_error_t *
read_packed_fs(const char **msg,
svn_boolean_t msg_only,
svn_test_opts_t *opts,
apr_pool_t *pool)
{
svn_fs_t *fs;
svn_stream_t *rstream;
svn_stringbuf_t *rstring;
svn_revnum_t i;
*msg = "read from a packed FSFS filesystem";
if (msg_only)
return SVN_NO_ERROR;
/* Bail (with success) on known-untestable scenarios */
if ((strcmp(opts->fs_type, "fsfs") != 0)
|| (opts->server_minor_version && (opts->server_minor_version < 6)))
return SVN_NO_ERROR;
SVN_ERR(create_packed_filesystem(REPO_NAME, opts, 11, 5, pool));
SVN_ERR(svn_fs_open(&fs, REPO_NAME, NULL, pool));
for (i = 1; i < 12; i++)
{
svn_fs_root_t *rev_root;
svn_stringbuf_t *sb;
SVN_ERR(svn_fs_revision_root(&rev_root, fs, i, pool));
SVN_ERR(svn_fs_file_contents(&rstream, rev_root, "iota", pool));
SVN_ERR(svn_test__stream_to_string(&rstring, rstream, pool));
if (i == 1)
sb = svn_stringbuf_create("This is the file 'iota'.\n", pool);
else
sb = svn_stringbuf_create(get_rev_contents(i, pool), pool);
if (! svn_stringbuf_compare(rstring, sb))
return svn_error_createf(SVN_ERR_FS_GENERAL, NULL,
"Bad data in revision %ld.", i);
}
return SVN_NO_ERROR;
}
