/*
* __remove_file_check --
* Check if the file is currently open before removing it.
*/
static inline void
__remove_file_check(WT_SESSION_IMPL *session, const char *name)
{
#ifdef HAVE_DIAGNOSTIC
WT_CONNECTION_IMPL *conn;
WT_FH *fh;
uint64_t bucket;
conn = S2C(session);
WT_ASSERT(session, !F_ISSET(conn, WT_CONN_READONLY));
fh = NULL;
bucket = __wt_hash_city64(name, strlen(name)) % WT_HASH_ARRAY_SIZE;
/*
* Check if the file is open: it's an error if it is, since a higher
* level should have closed it before removing.
*/
__wt_spin_lock(session, &conn->fh_lock);
TAILQ_FOREACH(fh, &conn->fhhash[bucket], hashq)
if (strcmp(name, fh->name) == 0)
break;
__wt_spin_unlock(session, &conn->fh_lock);
WT_ASSERT(session, fh == NULL);
#else
WT_UNUSED(session);
WT_UNUSED(name);
#endif
}
/*
* __wt_block_salvage_valid --
* Let salvage know if a block is valid.
*/
int
__wt_block_salvage_valid(WT_SESSION_IMPL *session,
WT_BLOCK *block, uint8_t *addr, size_t addr_size, int valid)
{
wt_off_t offset;
uint32_t size, cksum;
WT_UNUSED(session);
WT_UNUSED(addr_size);
/*
* Crack the cookie.
* If the upper layer took the block, move past it; if the upper layer
* rejected the block, move past an allocation size chunk and free it.
*/
WT_RET(__wt_block_buffer_to_addr(block, addr, &offset, &size, &cksum));
if (valid)
block->slvg_off = offset + size;
else {
WT_RET(__wt_block_off_free(
session, block, offset, (wt_off_t)block->allocsize));
block->slvg_off = offset + block->allocsize;
}
return (0);
}
static void
wt_open_corrupt(const char *sfx)
{
WT_CONNECTION *conn;
int ret;
char buf[1024];
#ifdef HAVE_ATTACH
WT_UNUSED(buf);
WT_UNUSED(conn);
WT_UNUSED(ret);
WT_UNUSED(sfx);
#else
conn = NULL;
if (sfx != NULL)
testutil_check(__wt_snprintf(buf, sizeof(buf),
"%s.%s", home, sfx));
else
testutil_check(__wt_snprintf(buf, sizeof(buf), "%s", home));
ret = wiredtiger_open(buf, &event_handler, NULL, &conn);
/*
* Not all out of sync combinations lead to corruption. We keep
* the previous checkpoint in the file so some combinations of
* future or old turtle files and metadata files will succeed.
*/
if (ret != WT_TRY_SALVAGE && ret != 0)
fprintf(stderr,
"OPEN_CORRUPT: wiredtiger_open returned %d\n", ret);
testutil_assert(ret == WT_TRY_SALVAGE || ret == 0);
#endif
exit (EXIT_SUCCESS);
}
/*
* __txn_log_recover --
* Roll the log forward to recover committed changes.
*/
static int
__txn_log_recover(WT_SESSION_IMPL *session,
WT_ITEM *logrec, WT_LSN *lsnp, void *cookie, int firstrecord)
{
WT_RECOVERY *r;
const uint8_t *end, *p;
uint64_t txnid;
uint32_t rectype;
r = cookie;
p = LOG_SKIP_HEADER(logrec->data);
end = (const uint8_t *)logrec->data + logrec->size;
WT_UNUSED(firstrecord);
/* First, peek at the log record type. */
WT_RET(__wt_logrec_read(session, &p, end, &rectype));
switch (rectype) {
case WT_LOGREC_CHECKPOINT:
if (r->metadata_only)
WT_RET(__wt_txn_checkpoint_logread(
session, &p, end, &r->ckpt_lsn));
break;
case WT_LOGREC_COMMIT:
WT_RET(__wt_vunpack_uint(&p, WT_PTRDIFF(end, p), &txnid));
WT_UNUSED(txnid);
WT_RET(__txn_commit_apply(r, lsnp, &p, end));
break;
}
return (0);
}
/*
* __wt_block_addr_invalid --
* Return an error code if an address cookie is invalid.
*/
int
__wt_block_addr_invalid(WT_SESSION_IMPL *session,
WT_BLOCK *block, const uint8_t *addr, size_t addr_size, bool live)
{
wt_off_t offset;
uint32_t checksum, size;
WT_UNUSED(session);
WT_UNUSED(addr_size);
WT_UNUSED(live);
/* Crack the cookie. */
WT_RET(
__wt_block_buffer_to_addr(block, addr, &offset, &size, &checksum));
#ifdef HAVE_DIAGNOSTIC
/*
* In diagnostic mode, verify the address isn't on the available list,
* or for live systems, the discard list.
*/
WT_RET(__wt_block_misplaced(
session, block, "addr-valid", offset, size, live));
#endif
/* Check if the address is past the end of the file. */
return (offset + size > block->size ? EINVAL : 0);
}
/*
* __win_fs_rename --
* Rename a file.
*/
static int
__win_fs_rename(WT_FILE_SYSTEM *file_system,
WT_SESSION *wt_session, const char *from, const char *to, uint32_t flags)
{
DWORD windows_error;
WT_SESSION_IMPL *session;
WT_UNUSED(file_system);
WT_UNUSED(flags);
session = (WT_SESSION_IMPL *)wt_session;
/*
* Check if file exists since Windows does not override the file if
* it exists.
*/
if (GetFileAttributesA(to) != INVALID_FILE_ATTRIBUTES)
if (DeleteFileA(to) == FALSE) {
windows_error = __wt_getlasterror();
__wt_errx(session,
"%s: file-rename: DeleteFileA: %s",
to, __wt_formatmessage(session, windows_error));
return (__wt_map_windows_error(windows_error));
}
if (MoveFileA(from, to) == FALSE) {
windows_error = __wt_getlasterror();
__wt_errx(session,
"%s to %s: file-rename: MoveFileA: %s",
from, to, __wt_formatmessage(session, windows_error));
return (__wt_map_windows_error(windows_error));
}
return (0);
}
/*
* __conn_add_compressor --
* WT_CONNECTION->add_compressor method.
*/
static int
__conn_add_compressor(WT_CONNECTION *wt_conn,
const char *name, WT_COMPRESSOR *compressor, const char *config)
{
WT_CONNECTION_IMPL *conn;
WT_DECL_RET;
WT_NAMED_COMPRESSOR *ncomp;
WT_SESSION_IMPL *session;
WT_UNUSED(name);
WT_UNUSED(compressor);
conn = (WT_CONNECTION_IMPL *)wt_conn;
CONNECTION_API_CALL(conn, session, add_compressor, config, cfg);
WT_UNUSED(cfg);
WT_ERR(__wt_calloc_def(session, 1, &ncomp));
WT_ERR(__wt_strdup(session, name, &ncomp->name));
ncomp->compressor = compressor;
__wt_spin_lock(session, &conn->api_lock);
TAILQ_INSERT_TAIL(&conn->compqh, ncomp, q);
__wt_spin_unlock(session, &conn->api_lock);
ncomp = NULL;
err: __wt_free(session, ncomp);
API_END_NOTFOUND_MAP(session, ret);
}
/*
* __posix_sys_fallocate --
* Linux fallocate call (system call version).
*/
static int
__posix_sys_fallocate(WT_FILE_HANDLE *file_handle,
WT_SESSION *wt_session, wt_off_t offset, wt_off_t len)
{
#if defined(__linux__) && defined(SYS_fallocate)
WT_DECL_RET;
WT_FILE_HANDLE_POSIX *pfh;
WT_UNUSED(wt_session);
pfh = (WT_FILE_HANDLE_POSIX *)file_handle;
/*
* Try the system call for fallocate even if the C library wrapper was
* not found. The system call actually exists in the kernel for some
* Linux versions (RHEL 5.5), but not in the version of the C library.
* This allows it to work everywhere the kernel supports it.
*/
WT_SYSCALL_RETRY(syscall(SYS_fallocate, pfh->fd, 0, offset, len), ret);
return (ret);
#else
WT_UNUSED(file_handle);
WT_UNUSED(wt_session);
WT_UNUSED(offset);
WT_UNUSED(len);
return (ENOTSUP);
#endif
}
/*
* __win_fs_remove --
* Remove a file.
*/
static int
__win_fs_remove(WT_FILE_SYSTEM *file_system,
WT_SESSION *wt_session, const char *name, uint32_t flags)
{
DWORD windows_error;
WT_DECL_ITEM(name_wide);
WT_DECL_RET;
WT_SESSION_IMPL *session;
WT_UNUSED(file_system);
WT_UNUSED(flags);
session = (WT_SESSION_IMPL *)wt_session;
WT_RET(__wt_to_utf16_string(session, name, &name_wide));
if (DeleteFileW(name_wide->data) == FALSE) {
windows_error = __wt_getlasterror();
ret = __wt_map_windows_error(windows_error);
__wt_err(session, ret,
"%s: file-remove: DeleteFileW: %s",
name, __wt_formatmessage(session, windows_error));
WT_ERR(ret);
}
err: __wt_scr_free(session, &name_wide);
return (ret);
}
/*
* __fstream_printf_notsup --
* ANSI C vfprintf unsupported.
*/
static int
__fstream_printf_notsup(
WT_SESSION_IMPL *session, WT_FSTREAM *fstr, const char *fmt, va_list ap)
{
WT_UNUSED(fmt);
WT_UNUSED(ap);
WT_RET_MSG(session, ENOTSUP, "%s: printf", fstr->name);
}
/*
* __session_checkpoint --
* WT_SESSION->checkpoint method.
*/
static int
__session_checkpoint(WT_SESSION *wt_session, const char *config)
{
WT_UNUSED(wt_session);
WT_UNUSED(config);
return (ENOTSUP);
}
/*
* __handle_error_verbose --
* Verbose WT_EVENT_HANDLER->handle_error implementation: send to stderr.
*/
static int
__handle_error_verbose(WT_EVENT_HANDLER *handler, int error, const char *errmsg)
{
WT_UNUSED(handler);
WT_UNUSED(error);
return (fprintf(stderr, "%s\n", errmsg) < 0 ? EIO : 0);
}
/*
* __wt_cursor_modify_notsup --
* Unsupported cursor modify.
*/
int
__wt_cursor_modify_notsup(WT_CURSOR *cursor, WT_MODIFY *entries, int nentries)
{
WT_UNUSED(entries);
WT_UNUSED(nentries);
return (__wt_cursor_notsup(cursor));
}
/*
* __wt_cursor_equals_notsup --
* Unsupported cursor equality.
*/
int
__wt_cursor_equals_notsup(WT_CURSOR *cursor, WT_CURSOR *other, int *equalp)
{
WT_UNUSED(other);
WT_UNUSED(equalp);
return (__wt_cursor_notsup(cursor));
}
/*
* __wt_cursor_compare_notsup --
* Unsupported cursor comparison.
*/
int
__wt_cursor_compare_notsup(WT_CURSOR *a, WT_CURSOR *b, int *cmpp)
{
WT_UNUSED(b);
WT_UNUSED(cmpp);
return (__wt_cursor_notsup(a));
}
/*
* __session_rollback_transaction --
* WT_SESSION->rollback_transaction method.
*/
static int
__session_rollback_transaction(WT_SESSION *wt_session, const char *config)
{
WT_UNUSED(wt_session);
WT_UNUSED(config);
return (ENOTSUP);
}
/*
* __bm_free_readonly --
* Free a block of space to the underlying file; readonly version.
*/
static int
__bm_free_readonly(WT_BM *bm,
WT_SESSION_IMPL *session, const uint8_t *addr, size_t addr_size)
{
WT_UNUSED(addr);
WT_UNUSED(addr_size);
return (__bm_readonly(bm, session));
}
/*
* __bm_salvage_next_readonly --
* Return the next block from the file; readonly version.
*/
static int
__bm_salvage_next_readonly(WT_BM *bm,
WT_SESSION_IMPL *session, uint8_t *addr, size_t *addr_sizep, bool *eofp)
{
WT_UNUSED(addr);
WT_UNUSED(addr_sizep);
WT_UNUSED(eofp);
return (__bm_readonly(bm, session));
}
/*
* __handle_message_default --
* Default WT_EVENT_HANDLER->handle_message implementation: send to stdout.
*/
static int
__handle_message_default(WT_EVENT_HANDLER *handler,
WT_SESSION *session, const char *message)
{
WT_UNUSED(handler);
WT_UNUSED(session);
return (printf("%s\n", message) >= 0 &&
fflush(stdout) == 0 ? 0 : __wt_errno());
}
/*
* __handle_close_default --
* Default WT_EVENT_HANDLER->handle_close implementation: ignore.
*/
static int
__handle_close_default(WT_EVENT_HANDLER *handler,
WT_SESSION *wt_session, WT_CURSOR *cursor)
{
WT_UNUSED(handler);
WT_UNUSED(wt_session);
WT_UNUSED(cursor);
return (0);
}
static int
handle_error(WT_EVENT_HANDLER *handler,
WT_SESSION *session, int error, const char *errmsg)
{
WT_UNUSED(handler);
WT_UNUSED(session);
WT_UNUSED(error);
return (fprintf(stderr, "%s\n", errmsg) < 0 ? -1 : 0);
}
/*
* __bm_compact_page_skip_readonly --
* Return if a page is useful for compaction; readonly version.
*/
static int
__bm_compact_page_skip_readonly(WT_BM *bm, WT_SESSION_IMPL *session,
const uint8_t *addr, size_t addr_size, bool *skipp)
{
WT_UNUSED(addr);
WT_UNUSED(addr_size);
WT_UNUSED(skipp);
return (__bm_readonly(bm, session));
}
/*
* __bm_salvage_valid_readonly --
* Inform salvage a block is valid; readonly version.
*/
static int
__bm_salvage_valid_readonly(WT_BM *bm,
WT_SESSION_IMPL *session, uint8_t *addr, size_t addr_size, bool valid)
{
WT_UNUSED(addr);
WT_UNUSED(addr_size);
WT_UNUSED(valid);
return (__bm_readonly(bm, session));
}
/*
* __bm_checkpoint_readonly --
* Write a buffer into a block, creating a checkpoint; readonly version.
*/
static int
__bm_checkpoint_readonly(WT_BM *bm,
WT_SESSION_IMPL *session, WT_ITEM *buf, WT_CKPT *ckptbase, bool data_cksum)
{
WT_UNUSED(buf);
WT_UNUSED(ckptbase);
WT_UNUSED(data_cksum);
return (__bm_readonly(bm, session));
}
/*
* __handle_error_default --
* Default WT_EVENT_HANDLER->handle_error implementation: send to stderr.
*/
static int
__handle_error_default(WT_EVENT_HANDLER *handler,
WT_SESSION *session, int error, const char *errmsg)
{
WT_UNUSED(handler);
WT_UNUSED(session);
WT_UNUSED(error);
return (fprintf(stderr, "%s\n", errmsg) >= 0 &&
fflush(stderr) == 0 ? 0 : __wt_errno());
}
/*
* __wt_fallocate --
* Allocate space for a file handle.
*/
int
__wt_fallocate(
WT_SESSION_IMPL *session, WT_FH *fh, wt_off_t offset, wt_off_t len)
{
WT_UNUSED(session);
WT_UNUSED(fh);
WT_UNUSED(offset);
WT_UNUSED(len);
return (ENOTSUP);
}
/*
* __bm_write_readonly --
* Write a buffer into a block, returning the block's address cookie;
* readonly version.
*/
static int
__bm_write_readonly(WT_BM *bm, WT_SESSION_IMPL *session,
WT_ITEM *buf, uint8_t *addr, size_t *addr_sizep, bool data_cksum)
{
WT_UNUSED(buf);
WT_UNUSED(addr);
WT_UNUSED(addr_sizep);
WT_UNUSED(data_cksum);
return (__bm_readonly(bm, session));
}
/*
* __handle_progress_default --
* Default WT_EVENT_HANDLER->handle_progress implementation: ignore.
*/
static int
__handle_progress_default(WT_EVENT_HANDLER *handler,
WT_SESSION *wt_session, const char *operation, uint64_t progress)
{
WT_UNUSED(handler);
WT_UNUSED(wt_session);
WT_UNUSED(operation);
WT_UNUSED(progress);
return (0);
}
/*
* __wt_fallocate --
* Allocate space for a file handle.
*/
int
__wt_fallocate(
WT_SESSION_IMPL *session, WT_FH *fh, wt_off_t offset, wt_off_t len)
{
WT_ASSERT(session, !F_ISSET(S2C(session), WT_CONN_READONLY));
WT_UNUSED(session);
WT_UNUSED(fh);
WT_UNUSED(offset);
WT_UNUSED(len);
return (ENOTSUP);
}
static int
handle_message(WT_EVENT_HANDLER *handler,
WT_SESSION *session, const char *message)
{
WT_UNUSED(handler);
WT_UNUSED(session);
if (g.logfp != NULL)
return (fprintf(g.logfp, "%s\n", message) < 0 ? -1 : 0);
return (printf("%s\n", message) < 0 ? -1 : 0);
}
