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Diffstat (limited to 'external/db_drivers/liblmdb32/mdb_stat.c')
-rw-r--r--external/db_drivers/liblmdb32/mdb_stat.c263
1 files changed, 0 insertions, 263 deletions
diff --git a/external/db_drivers/liblmdb32/mdb_stat.c b/external/db_drivers/liblmdb32/mdb_stat.c
deleted file mode 100644
index 210609b32..000000000
--- a/external/db_drivers/liblmdb32/mdb_stat.c
+++ /dev/null
@@ -1,263 +0,0 @@
-/* mdb_stat.c - memory-mapped database status tool */
-/*
- * Copyright 2011-2015 Howard Chu, Symas Corp.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted only as authorized by the OpenLDAP
- * Public License.
- *
- * A copy of this license is available in the file LICENSE in the
- * top-level directory of the distribution or, alternatively, at
- * <http://www.OpenLDAP.org/license.html>.
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include "lmdb.h"
-
-#ifdef _WIN32
-#define Z "I"
-#else
-#define Z "z"
-#endif
-
-static void prstat(MDB_stat *ms)
-{
-#if 0
- printf(" Page size: %u\n", ms->ms_psize);
-#endif
- printf(" Tree depth: %u\n", ms->ms_depth);
- printf(" Branch pages: %"Z"u\n", ms->ms_branch_pages);
- printf(" Leaf pages: %"Z"u\n", ms->ms_leaf_pages);
- printf(" Overflow pages: %"Z"u\n", ms->ms_overflow_pages);
- printf(" Entries: %"Z"u\n", ms->ms_entries);
-}
-
-static void usage(char *prog)
-{
- fprintf(stderr, "usage: %s dbpath [-V] [-n] [-e] [-r[r]] [-f[f[f]]] [-a|-s subdb]\n", prog);
- exit(EXIT_FAILURE);
-}
-
-int main(int argc, char *argv[])
-{
- int i, rc;
- MDB_env *env;
- MDB_txn *txn;
- MDB_dbi dbi;
- MDB_stat mst;
- MDB_envinfo mei;
- char *prog = argv[0];
- char *envname;
- char *subname = NULL;
- int alldbs = 0, envinfo = 0, envflags = 0, freinfo = 0, rdrinfo = 0;
-
- if (argc < 2) {
- usage(prog);
- }
-
- /* -a: print stat of main DB and all subDBs
- * -s: print stat of only the named subDB
- * -e: print env info
- * -f: print freelist info
- * -r: print reader info
- * -n: use NOSUBDIR flag on env_open
- * -V: print version and exit
- * (default) print stat of only the main DB
- */
- while ((i = getopt(argc, argv, "Vaefnrs:")) != EOF) {
- switch(i) {
- case 'V':
- printf("%s\n", MDB_VERSION_STRING);
- exit(0);
- break;
- case 'a':
- if (subname)
- usage(prog);
- alldbs++;
- break;
- case 'e':
- envinfo++;
- break;
- case 'f':
- freinfo++;
- break;
- case 'n':
- envflags |= MDB_NOSUBDIR;
- break;
- case 'r':
- rdrinfo++;
- break;
- case 's':
- if (alldbs)
- usage(prog);
- subname = optarg;
- break;
- default:
- usage(prog);
- }
- }
-
- if (optind != argc - 1)
- usage(prog);
-
- envname = argv[optind];
- rc = mdb_env_create(&env);
- if (rc) {
- fprintf(stderr, "mdb_env_create failed, error %d %s\n", rc, mdb_strerror(rc));
- return EXIT_FAILURE;
- }
-
- if (alldbs || subname) {
- mdb_env_set_maxdbs(env, 4);
- }
-
- rc = mdb_env_open(env, envname, envflags | MDB_RDONLY, 0664);
- if (rc) {
- fprintf(stderr, "mdb_env_open failed, error %d %s\n", rc, mdb_strerror(rc));
- goto env_close;
- }
-
- if (envinfo) {
- (void)mdb_env_stat(env, &mst);
- (void)mdb_env_info(env, &mei);
- printf("Environment Info\n");
- printf(" Map address: %p\n", mei.me_mapaddr);
- printf(" Map size: %"Z"u\n", mei.me_mapsize);
- printf(" Page size: %u\n", mst.ms_psize);
- printf(" Max pages: %"Z"u\n", mei.me_mapsize / mst.ms_psize);
- printf(" Number of pages used: %"Z"u\n", mei.me_last_pgno+1);
- printf(" Last transaction ID: %"Z"u\n", mei.me_last_txnid);
- printf(" Max readers: %u\n", mei.me_maxreaders);
- printf(" Number of readers used: %u\n", mei.me_numreaders);
- }
-
- if (rdrinfo) {
- printf("Reader Table Status\n");
- rc = mdb_reader_list(env, (MDB_msg_func *)fputs, stdout);
- if (rdrinfo > 1) {
- int dead;
- mdb_reader_check(env, &dead);
- printf(" %d stale readers cleared.\n", dead);
- rc = mdb_reader_list(env, (MDB_msg_func *)fputs, stdout);
- }
- if (!(subname || alldbs || freinfo))
- goto env_close;
- }
-
- rc = mdb_txn_begin(env, NULL, MDB_RDONLY, &txn);
- if (rc) {
- fprintf(stderr, "mdb_txn_begin failed, error %d %s\n", rc, mdb_strerror(rc));
- goto env_close;
- }
-
- if (freinfo) {
- MDB_cursor *cursor;
- MDB_val key, data;
- size_t pages = 0, *iptr;
-
- printf("Freelist Status\n");
- dbi = 0;
- rc = mdb_cursor_open(txn, dbi, &cursor);
- if (rc) {
- fprintf(stderr, "mdb_cursor_open failed, error %d %s\n", rc, mdb_strerror(rc));
- goto txn_abort;
- }
- rc = mdb_stat(txn, dbi, &mst);
- if (rc) {
- fprintf(stderr, "mdb_stat failed, error %d %s\n", rc, mdb_strerror(rc));
- goto txn_abort;
- }
- prstat(&mst);
- while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
- iptr = data.mv_data;
- pages += *iptr;
- if (freinfo > 1) {
- char *bad = "";
- size_t pg, prev;
- ssize_t i, j, span = 0;
- j = *iptr++;
- for (i = j, prev = 1; --i >= 0; ) {
- pg = iptr[i];
- if (pg <= prev)
- bad = " [bad sequence]";
- prev = pg;
- pg += span;
- for (; i >= span && iptr[i-span] == pg; span++, pg++) ;
- }
- printf(" Transaction %"Z"u, %"Z"d pages, maxspan %"Z"d%s\n",
- *(size_t *)key.mv_data, j, span, bad);
- if (freinfo > 2) {
- for (--j; j >= 0; ) {
- pg = iptr[j];
- for (span=1; --j >= 0 && iptr[j] == pg+span; span++) ;
- printf(span>1 ? " %9"Z"u[%"Z"d]\n" : " %9"Z"u\n",
- pg, span);
- }
- }
- }
- }
- mdb_cursor_close(cursor);
- printf(" Free pages: %"Z"u\n", pages);
- }
-
- rc = mdb_open(txn, subname, 0, &dbi);
- if (rc) {
- fprintf(stderr, "mdb_open failed, error %d %s\n", rc, mdb_strerror(rc));
- goto txn_abort;
- }
-
- rc = mdb_stat(txn, dbi, &mst);
- if (rc) {
- fprintf(stderr, "mdb_stat failed, error %d %s\n", rc, mdb_strerror(rc));
- goto txn_abort;
- }
- printf("Status of %s\n", subname ? subname : "Main DB");
- prstat(&mst);
-
- if (alldbs) {
- MDB_cursor *cursor;
- MDB_val key;
-
- rc = mdb_cursor_open(txn, dbi, &cursor);
- if (rc) {
- fprintf(stderr, "mdb_cursor_open failed, error %d %s\n", rc, mdb_strerror(rc));
- goto txn_abort;
- }
- while ((rc = mdb_cursor_get(cursor, &key, NULL, MDB_NEXT_NODUP)) == 0) {
- char *str;
- MDB_dbi db2;
- if (memchr(key.mv_data, '\0', key.mv_size))
- continue;
- str = malloc(key.mv_size+1);
- memcpy(str, key.mv_data, key.mv_size);
- str[key.mv_size] = '\0';
- rc = mdb_open(txn, str, 0, &db2);
- if (rc == MDB_SUCCESS)
- printf("Status of %s\n", str);
- free(str);
- if (rc) continue;
- rc = mdb_stat(txn, db2, &mst);
- if (rc) {
- fprintf(stderr, "mdb_stat failed, error %d %s\n", rc, mdb_strerror(rc));
- goto txn_abort;
- }
- prstat(&mst);
- mdb_close(env, db2);
- }
- mdb_cursor_close(cursor);
- }
-
- if (rc == MDB_NOTFOUND)
- rc = MDB_SUCCESS;
-
- mdb_close(env, dbi);
-txn_abort:
- mdb_txn_abort(txn);
-env_close:
- mdb_env_close(env);
-
- return rc ? EXIT_FAILURE : EXIT_SUCCESS;
-}
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