Import BSDDB 4.7.25 (as of svn r89086)
This commit is contained in:
Zachary Ware
459
db_stat/db_stat.c
Normal file
459
db_stat/db_stat.c
Normal file
@@ -0,0 +1,459 @@
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/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1996,2008 Oracle. All rights reserved.
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*
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* $Id: db_stat.c 63573 2008-05-23 21:43:21Z trent.nelson $
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*/
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#include "db_config.h"
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#include "db_int.h"
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#ifndef lint
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static const char copyright[] =
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"Copyright (c) 1996,2008 Oracle. All rights reserved.\n";
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#endif
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typedef enum { T_NOTSET, T_DB,
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T_ENV, T_LOCK, T_LOG, T_MPOOL, T_MUTEX, T_REP, T_TXN } test_t;
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int db_init __P((DB_ENV *, char *, test_t, u_int32_t, int *));
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int main __P((int, char *[]));
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int usage __P((void));
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int version_check __P((void));
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const char *progname;
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int
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main(argc, argv)
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int argc;
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char *argv[];
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{
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extern char *optarg;
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extern int optind;
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DB_ENV *dbenv;
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DB *dbp;
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test_t ttype;
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u_int32_t cache, flags;
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int ch, exitval;
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int nflag, private, resize, ret;
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char *db, *home, *p, *passwd, *subdb;
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if ((progname = __db_rpath(argv[0])) == NULL)
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progname = argv[0];
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else
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++progname;
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if ((ret = version_check()) != 0)
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return (ret);
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dbenv = NULL;
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dbp = NULL;
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ttype = T_NOTSET;
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cache = MEGABYTE;
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exitval = flags = nflag = private = 0;
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db = home = passwd = subdb = NULL;
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while ((ch = getopt(argc,
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argv, "C:cd:Eefgh:L:lM:mNP:R:rs:tVxX:Z")) != EOF)
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switch (ch) {
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case 'C': case 'c':
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if (ttype != T_NOTSET && ttype != T_LOCK)
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goto argcombo;
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ttype = T_LOCK;
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if (ch != 'c')
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for (p = optarg; *p; ++p)
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switch (*p) {
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case 'A':
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LF_SET(DB_STAT_ALL);
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break;
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case 'c':
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LF_SET(DB_STAT_LOCK_CONF);
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break;
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case 'l':
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LF_SET(DB_STAT_LOCK_LOCKERS);
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break;
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case 'm': /* Backward compatible. */
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break;
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case 'o':
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LF_SET(DB_STAT_LOCK_OBJECTS);
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break;
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case 'p':
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LF_SET(DB_STAT_LOCK_PARAMS);
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break;
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default:
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return (usage());
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}
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break;
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case 'd':
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if (ttype != T_NOTSET && ttype != T_DB)
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goto argcombo;
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ttype = T_DB;
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db = optarg;
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break;
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case 'E': case 'e':
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if (ttype != T_NOTSET && ttype != T_ENV)
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goto argcombo;
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ttype = T_ENV;
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LF_SET(DB_STAT_SUBSYSTEM);
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if (ch == 'E')
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LF_SET(DB_STAT_ALL);
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break;
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case 'f':
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if (ttype != T_NOTSET && ttype != T_DB)
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goto argcombo;
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ttype = T_DB;
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LF_SET(DB_FAST_STAT);
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break;
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case 'h':
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home = optarg;
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break;
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case 'L': case 'l':
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if (ttype != T_NOTSET && ttype != T_LOG)
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goto argcombo;
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ttype = T_LOG;
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if (ch != 'l')
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for (p = optarg; *p; ++p)
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switch (*p) {
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case 'A':
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LF_SET(DB_STAT_ALL);
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break;
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default:
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return (usage());
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}
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break;
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case 'M': case 'm':
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if (ttype != T_NOTSET && ttype != T_MPOOL)
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goto argcombo;
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ttype = T_MPOOL;
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if (ch != 'm')
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for (p = optarg; *p; ++p)
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switch (*p) {
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case 'A':
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LF_SET(DB_STAT_ALL);
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break;
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case 'h':
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LF_SET(DB_STAT_MEMP_HASH);
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break;
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case 'm': /* Backward compatible. */
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break;
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default:
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return (usage());
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}
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break;
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case 'N':
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nflag = 1;
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break;
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case 'P':
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passwd = strdup(optarg);
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memset(optarg, 0, strlen(optarg));
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if (passwd == NULL) {
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fprintf(stderr, "%s: strdup: %s\n",
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progname, strerror(errno));
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return (EXIT_FAILURE);
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}
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break;
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case 'R': case 'r':
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if (ttype != T_NOTSET && ttype != T_REP)
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goto argcombo;
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ttype = T_REP;
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if (ch != 'r')
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for (p = optarg; *p; ++p)
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switch (*p) {
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case 'A':
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LF_SET(DB_STAT_ALL);
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break;
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default:
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return (usage());
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}
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break;
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case 's':
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if (ttype != T_NOTSET && ttype != T_DB)
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goto argcombo;
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ttype = T_DB;
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subdb = optarg;
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break;
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case 't':
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if (ttype != T_NOTSET) {
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argcombo: fprintf(stderr,
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"%s: illegal option combination\n",
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progname);
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return (usage());
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}
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ttype = T_TXN;
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break;
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case 'V':
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printf("%s\n", db_version(NULL, NULL, NULL));
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return (EXIT_SUCCESS);
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case 'X': case 'x':
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if (ttype != T_NOTSET && ttype != T_MUTEX)
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goto argcombo;
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ttype = T_MUTEX;
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if (ch != 'x')
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for (p = optarg; *p; ++p)
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switch (*p) {
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case 'A':
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LF_SET(DB_STAT_ALL);
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break;
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default:
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return (usage());
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}
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break;
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case 'Z':
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LF_SET(DB_STAT_CLEAR);
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break;
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case '?':
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default:
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return (usage());
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}
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argc -= optind;
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argv += optind;
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switch (ttype) {
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case T_DB:
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if (db == NULL)
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return (usage());
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break;
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case T_ENV:
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case T_LOCK:
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case T_LOG:
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case T_MPOOL:
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case T_MUTEX:
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case T_REP:
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case T_TXN:
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break;
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case T_NOTSET:
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return (usage());
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}
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/* Handle possible interruptions. */
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__db_util_siginit();
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/*
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* Create an environment object and initialize it for error
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* reporting.
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*/
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retry: if ((ret = db_env_create(&dbenv, 0)) != 0) {
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fprintf(stderr,
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"%s: db_env_create: %s\n", progname, db_strerror(ret));
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goto err;
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}
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dbenv->set_errfile(dbenv, stderr);
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dbenv->set_errpfx(dbenv, progname);
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if (nflag) {
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if ((ret = dbenv->set_flags(dbenv, DB_NOLOCKING, 1)) != 0) {
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dbenv->err(dbenv, ret, "set_flags: DB_NOLOCKING");
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goto err;
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}
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if ((ret = dbenv->set_flags(dbenv, DB_NOPANIC, 1)) != 0) {
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dbenv->err(dbenv, ret, "set_flags: DB_NOPANIC");
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goto err;
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}
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}
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if (passwd != NULL &&
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(ret = dbenv->set_encrypt(dbenv, passwd, DB_ENCRYPT_AES)) != 0) {
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dbenv->err(dbenv, ret, "set_passwd");
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goto err;
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}
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/* Initialize the environment. */
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if (db_init(dbenv, home, ttype, cache, &private) != 0)
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goto err;
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switch (ttype) {
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case T_DB:
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/* Create the DB object and open the file. */
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if ((ret = db_create(&dbp, dbenv, 0)) != 0) {
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dbenv->err(dbenv, ret, "db_create");
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goto err;
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}
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/*
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* We open the database for writing so we can update the cached
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* statistics, but it's OK to fail, we can open read-only and
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* proceed.
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*
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* Turn off error messages for now -- we can't open lots of
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* databases read-write (for example, master databases and
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* hash databases for which we don't know the hash function).
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*/
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dbenv->set_errfile(dbenv, NULL);
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ret = dbp->open(dbp, NULL, db, subdb, DB_UNKNOWN, 0, 0);
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dbenv->set_errfile(dbenv, stderr);
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if (ret != 0 && (ret = dbp->open(
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dbp, NULL, db, subdb, DB_UNKNOWN, DB_RDONLY, 0)) != 0) {
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dbenv->err(dbenv, ret, "DB->open: %s", db);
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goto err;
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}
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/* Check if cache is too small for this DB's pagesize. */
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if (private) {
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if ((ret = __db_util_cache(dbp, &cache, &resize)) != 0)
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goto err;
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if (resize) {
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(void)dbp->close(dbp, DB_NOSYNC);
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dbp = NULL;
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(void)dbenv->close(dbenv, 0);
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dbenv = NULL;
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goto retry;
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}
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}
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if (dbp->stat_print(dbp, flags))
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goto err;
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break;
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case T_ENV:
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if (dbenv->stat_print(dbenv, flags))
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goto err;
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break;
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case T_LOCK:
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if (dbenv->lock_stat_print(dbenv, flags))
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goto err;
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break;
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case T_LOG:
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if (dbenv->log_stat_print(dbenv, flags))
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goto err;
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break;
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case T_MPOOL:
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if (dbenv->memp_stat_print(dbenv, flags))
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goto err;
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break;
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case T_MUTEX:
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if (dbenv->mutex_stat_print(dbenv, flags))
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goto err;
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break;
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case T_REP:
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#ifdef HAVE_REPLICATION_THREADS
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if (dbenv->repmgr_stat_print(dbenv, flags))
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goto err;
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#endif
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if (dbenv->rep_stat_print(dbenv, flags))
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goto err;
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break;
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case T_TXN:
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if (dbenv->txn_stat_print(dbenv, flags))
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goto err;
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break;
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case T_NOTSET:
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dbenv->errx(dbenv, "Unknown statistics flag");
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goto err;
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}
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if (0) {
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err: exitval = 1;
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}
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if (dbp != NULL && (ret = dbp->close(dbp, DB_NOSYNC)) != 0) {
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exitval = 1;
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dbenv->err(dbenv, ret, "close");
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}
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if (dbenv != NULL && (ret = dbenv->close(dbenv, 0)) != 0) {
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exitval = 1;
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fprintf(stderr,
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"%s: dbenv->close: %s\n", progname, db_strerror(ret));
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}
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if (passwd != NULL)
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free(passwd);
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/* Resend any caught signal. */
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__db_util_sigresend();
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return (exitval == 0 ? EXIT_SUCCESS : EXIT_FAILURE);
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}
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/*
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* db_init --
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* Initialize the environment.
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*/
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int
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db_init(dbenv, home, ttype, cache, is_private)
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DB_ENV *dbenv;
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char *home;
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test_t ttype;
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u_int32_t cache;
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int *is_private;
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{
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u_int32_t oflags;
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int ret;
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/*
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* If our environment open fails, and we're trying to look at a
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* shared region, it's a hard failure.
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*
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* We will probably just drop core if the environment we join does
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* not include a memory pool. This is probably acceptable; trying
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* to use an existing environment that does not contain a memory
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* pool to look at a database can be safely construed as operator
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* error, I think.
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*/
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*is_private = 0;
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if ((ret = dbenv->open(dbenv, home, DB_USE_ENVIRON, 0)) == 0)
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return (0);
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if (ret == DB_VERSION_MISMATCH)
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goto err;
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if (ttype != T_DB && ttype != T_LOG) {
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dbenv->err(dbenv, ret, "DB_ENV->open%s%s",
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home == NULL ? "" : ": ", home == NULL ? "" : home);
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return (1);
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}
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/*
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* We're looking at a database or set of log files and no environment
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* exists. Create one, but make it private so no files are actually
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* created. Declare a reasonably large cache so that we don't fail
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* when reporting statistics on large databases.
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*
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* An environment is required to look at databases because we may be
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* trying to look at databases in directories other than the current
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* one.
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*/
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if ((ret = dbenv->set_cachesize(dbenv, 0, cache, 1)) != 0) {
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dbenv->err(dbenv, ret, "set_cachesize");
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return (1);
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}
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*is_private = 1;
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oflags = DB_CREATE | DB_PRIVATE | DB_USE_ENVIRON;
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if (ttype == T_DB)
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oflags |= DB_INIT_MPOOL;
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if (ttype == T_LOG)
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oflags |= DB_INIT_LOG;
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if ((ret = dbenv->open(dbenv, home, oflags, 0)) == 0)
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return (0);
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/* An environment is required. */
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err: dbenv->err(dbenv, ret, "DB_ENV->open");
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return (1);
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}
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int
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usage()
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{
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fprintf(stderr, "usage: %s %s\n", progname,
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"-d file [-fN] [-h home] [-P password] [-s database]");
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fprintf(stderr, "usage: %s %s\n\t%s\n", progname,
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"[-cEelmNrtVxZ] [-C Aclop]",
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"[-h home] [-L A] [-M A] [-P password] [-R A] [-X A]");
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return (EXIT_FAILURE);
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}
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int
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version_check()
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{
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int v_major, v_minor, v_patch;
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/* Make sure we're loaded with the right version of the DB library. */
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(void)db_version(&v_major, &v_minor, &v_patch);
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if (v_major != DB_VERSION_MAJOR || v_minor != DB_VERSION_MINOR) {
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fprintf(stderr,
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"%s: version %d.%d doesn't match library version %d.%d\n",
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progname, DB_VERSION_MAJOR, DB_VERSION_MINOR,
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v_major, v_minor);
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return (EXIT_FAILURE);
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}
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return (0);
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}
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