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/*-
* Copyright (c) 2008-2012 WiredTiger, Inc.
* All rights reserved.
*
* See the file LICENSE for redistribution information.
*/
#include "util.h"
static int list_print(WT_SESSION *, const char *, int, int);
static int list_print_checkpoint(WT_SESSION *, const char *);
static int usage(void);
int
util_list(WT_SESSION *session, int argc, char *argv[])
{
WT_DECL_RET;
int cflag, ch, vflag;
char *name;
cflag = vflag = 0;
name = NULL;
while ((ch = util_getopt(argc, argv, "cv")) != EOF)
switch (ch) {
case 'c':
cflag = 1;
break;
case 'v':
vflag = 1;
break;
case '?':
default:
return (usage());
}
argc -= util_optind;
argv += util_optind;
switch (argc) {
case 0:
break;
case 1:
if ((name = util_name(
*argv, "table", UTIL_FILE_OK | UTIL_TABLE_OK)) == NULL)
return (1);
break;
default:
return (usage());
}
ret = list_print(session, name, cflag, vflag);
if (name != NULL)
free(name);
return (ret);
}
/*
* list_print --
* List the high-level objects in the database.
*/
static int
list_print(WT_SESSION *session, const char *name, int cflag, int vflag)
{
WT_CURSOR *cursor;
WT_DECL_RET;
int found;
const char *key, *value, *uri;
/*
* XXX
* Normally, we don't say anything about the WiredTiger metadata file,
* it's not an "object" in the database. I'm making an exception for
* -c and -v, the checkpoint and verbose options.
*/
if (cflag || vflag) {
uri = WT_METADATA_URI;
printf("%s\n", uri);
if (cflag && (ret = list_print_checkpoint(session, uri)) != 0)
return (ret);
if (vflag) {
if ((ret =
__wt_metadata_get(session, uri, &value)) != 0)
return (
util_err(ret, "metadata read: %s", uri));
printf("%s\n", value);
}
}
/* Open the metadata file. */
if ((ret = session->open_cursor(
session, WT_METADATA_URI, NULL, NULL, &cursor)) != 0) {
/*
* If there is no metadata (yet), this will return ENOENT.
* Treat that the same as an empty metadata.
*/
if (ret == ENOENT)
return (0);
fprintf(stderr, "%s: %s: session.open_cursor: %s\n",
progname, WT_METADATA_URI, wiredtiger_strerror(ret));
return (1);
}
#define MATCH(s, tag) \
(strncmp(s, tag, strlen(tag)) == 0)
found = name == NULL;
while ((ret = cursor->next(cursor)) == 0) {
/* Get the key. */
if ((ret = cursor->get_key(cursor, &key)) != 0)
return (util_cerr("metadata", "get_key", ret));
/*
* If no object specified, show top-level objects (files and
* tables).
*/
if (name == NULL) {
if (!MATCH(key, "file:") && !MATCH(key, "table:"))
continue;
} else {
if (!MATCH(key, name))
continue;
found = 1;
}
printf("%s\n", key);
if (!cflag && !vflag)
continue;
if (cflag && (ret = list_print_checkpoint(session, key)) != 0)
return (ret);
if (vflag) {
if ((ret = cursor->get_value(cursor, &value)) != 0)
return (
util_cerr("metadata", "get_value", ret));
printf("%s\n", value);
}
}
if (ret != WT_NOTFOUND)
return (util_cerr("metadata", "next", ret));
if (!found) {
fprintf(stderr, "%s: %s: not found\n", progname, name);
return (1);
}
return (0);
}
/*
* list_print_checkpoint --
* List the checkpoint information.
*/
static int
list_print_checkpoint(WT_SESSION *session, const char *key)
{
WT_DECL_RET;
WT_CKPT *ckpt, *ckptbase;
size_t len;
time_t t;
uint64_t v;
char buf[256];
/*
* We may not find any checkpoints for this file, in which case we don't
* report an error, and continue our caller's loop. Otherwise, read the
* list of checkpoints and print each checkpoint's name and time.
*/
if ((ret = __wt_metadata_get_ckptlist(session, key, &ckptbase)) != 0)
return (ret == WT_NOTFOUND ? 0 : ret);
/* Find the longest name, so we can pretty-print. */
len = 0;
WT_CKPT_FOREACH(ckptbase, ckpt)
if (strlen(ckpt->name) > len)
len = strlen(ckpt->name);
++len;
WT_CKPT_FOREACH(ckptbase, ckpt) {
t = (time_t)ckpt->sec;
printf("\t%*s: %.24s", (int)len, ckpt->name, ctime_r(&t, buf));
v = ckpt->ckpt_size;
if (v >= WT_PETABYTE)
printf(" (%" PRIu64 " PB)\n", v / WT_PETABYTE);
else if (v >= WT_TERABYTE)
printf(" (%" PRIu64 " TB)\n", v / WT_TERABYTE);
else if (v >= WT_GIGABYTE)
printf(" (%" PRIu64 " GB)\n", v / WT_GIGABYTE);
else if (v >= WT_MEGABYTE)
printf(" (%" PRIu64 " MB)\n", v / WT_MEGABYTE);
else if (v >= WT_KILOBYTE)
printf(" (%" PRIu64 " KB)\n", v / WT_KILOBYTE);
else
printf(" (%" PRIu64 " B)\n", v);
}
__wt_metadata_free_ckptlist(session, ckptbase);
return (0);
}
static int
usage(void)
{
(void)fprintf(stderr,
"usage: %s %s "
"list [-cv] [uri]\n",
progname, usage_prefix);
return (1);
}
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