--- /dev/null
+/*
+ Unix SMB/CIFS implementation.
+ Samba database functions
+ Copyright (C) Andrew Tridgell 1999-2000
+ Copyright (C) Paul `Rusty' Russell 2000
+ Copyright (C) Jeremy Allison 2000
+ Copyright (C) Andrew Esh 2001
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <ccan/tdb2/tdb2.h>
+#include <ccan/hash/hash.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <string.h>
+#include <stdarg.h>
+
+static int do_command(void);
+const char *cmdname;
+char *arg1, *arg2;
+size_t arg1len, arg2len;
+int bIterate = 0;
+char *line;
+TDB_DATA iterate_kbuf;
+char cmdline[1024];
+static int disable_mmap;
+
+enum commands {
+ CMD_CREATE_TDB,
+ CMD_OPEN_TDB,
+ CMD_OPENJH_TDB,
+#if 0
+ CMD_TRANSACTION_START,
+ CMD_TRANSACTION_COMMIT,
+ CMD_TRANSACTION_CANCEL,
+#endif
+ CMD_ERASE,
+ CMD_DUMP,
+ CMD_INSERT,
+ CMD_MOVE,
+ CMD_STORE,
+ CMD_SHOW,
+ CMD_KEYS,
+ CMD_HEXKEYS,
+ CMD_DELETE,
+#if 0
+ CMD_LIST_HASH_FREE,
+ CMD_LIST_FREE,
+#endif
+ CMD_INFO,
+ CMD_MMAP,
+ CMD_SPEED,
+ CMD_FIRST,
+ CMD_NEXT,
+ CMD_SYSTEM,
+ CMD_CHECK,
+ CMD_QUIT,
+ CMD_HELP
+};
+
+typedef struct {
+ const char *name;
+ enum commands cmd;
+} COMMAND_TABLE;
+
+COMMAND_TABLE cmd_table[] = {
+ {"create", CMD_CREATE_TDB},
+ {"open", CMD_OPEN_TDB},
+ {"openjh", CMD_OPENJH_TDB},
+#if 0
+ {"transaction_start", CMD_TRANSACTION_START},
+ {"transaction_commit", CMD_TRANSACTION_COMMIT},
+ {"transaction_cancel", CMD_TRANSACTION_CANCEL},
+#endif
+ {"erase", CMD_ERASE},
+ {"dump", CMD_DUMP},
+ {"insert", CMD_INSERT},
+ {"move", CMD_MOVE},
+ {"store", CMD_STORE},
+ {"show", CMD_SHOW},
+ {"keys", CMD_KEYS},
+ {"hexkeys", CMD_HEXKEYS},
+ {"delete", CMD_DELETE},
+#if 0
+ {"list", CMD_LIST_HASH_FREE},
+ {"free", CMD_LIST_FREE},
+#endif
+ {"info", CMD_INFO},
+ {"speed", CMD_SPEED},
+ {"mmap", CMD_MMAP},
+ {"first", CMD_FIRST},
+ {"1", CMD_FIRST},
+ {"next", CMD_NEXT},
+ {"n", CMD_NEXT},
+ {"check", CMD_CHECK},
+ {"quit", CMD_QUIT},
+ {"q", CMD_QUIT},
+ {"!", CMD_SYSTEM},
+ {NULL, CMD_HELP}
+};
+
+struct timeval tp1,tp2;
+
+static void _start_timer(void)
+{
+ gettimeofday(&tp1,NULL);
+}
+
+static double _end_timer(void)
+{
+ gettimeofday(&tp2,NULL);
+ return((tp2.tv_sec - tp1.tv_sec) +
+ (tp2.tv_usec - tp1.tv_usec)*1.0e-6);
+}
+
+static void tdb_log(struct tdb_context *tdb, enum tdb_debug_level level, void *priv, const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ vfprintf(stderr, format, ap);
+ va_end(ap);
+}
+
+/* a tdb tool for manipulating a tdb database */
+
+static struct tdb_context *tdb;
+
+static int print_rec(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state);
+static int print_key(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state);
+static int print_hexkey(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state);
+
+static void print_asc(const char *buf,int len)
+{
+ int i;
+
+ /* We're probably printing ASCII strings so don't try to display
+ the trailing NULL character. */
+
+ if (buf[len - 1] == 0)
+ len--;
+
+ for (i=0;i<len;i++)
+ printf("%c",isprint(buf[i])?buf[i]:'.');
+}
+
+static void print_data(const char *buf,int len)
+{
+ int i=0;
+ if (len<=0) return;
+ printf("[%03X] ",i);
+ for (i=0;i<len;) {
+ printf("%02X ",(int)((unsigned char)buf[i]));
+ i++;
+ if (i%8 == 0) printf(" ");
+ if (i%16 == 0) {
+ print_asc(&buf[i-16],8); printf(" ");
+ print_asc(&buf[i-8],8); printf("\n");
+ if (i<len) printf("[%03X] ",i);
+ }
+ }
+ if (i%16) {
+ int n;
+
+ n = 16 - (i%16);
+ printf(" ");
+ if (n>8) printf(" ");
+ while (n--) printf(" ");
+
+ n = i%16;
+ if (n > 8) n = 8;
+ print_asc(&buf[i-(i%16)],n); printf(" ");
+ n = (i%16) - n;
+ if (n>0) print_asc(&buf[i-n],n);
+ printf("\n");
+ }
+}
+
+static void help(void)
+{
+ printf("\n"
+"tdbtool: \n"
+" create dbname : create a database\n"
+" open dbname : open an existing database\n"
+" openjh dbname : open an existing database (jenkins hash)\n"
+" transaction_start : start a transaction\n"
+" transaction_commit : commit a transaction\n"
+" transaction_cancel : cancel a transaction\n"
+" erase : erase the database\n"
+" dump : dump the database as strings\n"
+" keys : dump the database keys as strings\n"
+" hexkeys : dump the database keys as hex values\n"
+" info : print summary info about the database\n"
+" insert key data : insert a record\n"
+" move key file : move a record to a destination tdb\n"
+" store key data : store a record (replace)\n"
+" show key : show a record by key\n"
+" delete key : delete a record by key\n"
+" list : print the database hash table and freelist\n"
+" free : print the database freelist\n"
+" check : check the integrity of an opened database\n"
+" speed : perform speed tests on the database\n"
+" ! command : execute system command\n"
+" 1 | first : print the first record\n"
+" n | next : print the next record\n"
+" q | quit : terminate\n"
+" \\n : repeat 'next' command\n"
+"\n");
+}
+
+static void terror(const char *why)
+{
+ printf("%s\n", why);
+}
+
+static void create_tdb(const char *tdbname)
+{
+ union tdb_attribute log_attr;
+ log_attr.base.attr = TDB_ATTRIBUTE_LOG;
+ log_attr.base.next = NULL;
+ log_attr.log.log_fn = tdb_log;
+
+ if (tdb) tdb_close(tdb);
+ tdb = tdb_open(tdbname, (disable_mmap?TDB_NOMMAP:0),
+ O_RDWR | O_CREAT | O_TRUNC, 0600, &log_attr);
+ if (!tdb) {
+ printf("Could not create %s: %s\n", tdbname, strerror(errno));
+ }
+}
+
+static uint64_t jenkins_hash(const void *key, size_t len, uint64_t seed,
+ void *priv)
+{
+ return hash_any(key, len, seed);
+}
+
+static void open_tdb(const char *tdbname, tdb_hashfn_t hashfn)
+{
+ union tdb_attribute log_attr, hash_attr;
+ log_attr.base.attr = TDB_ATTRIBUTE_LOG;
+ log_attr.base.next = NULL;
+ log_attr.log.log_fn = tdb_log;
+
+ hash_attr.base.attr = TDB_ATTRIBUTE_HASH;
+ hash_attr.base.next = &log_attr;
+ hash_attr.hash.hash_fn = hashfn;
+
+ if (tdb) tdb_close(tdb);
+ tdb = tdb_open(tdbname, disable_mmap?TDB_NOMMAP:0, O_RDWR, 0600,
+ hashfn ? &hash_attr : &log_attr);
+ if (!tdb) {
+ printf("Could not open %s: %s\n", tdbname, strerror(errno));
+ }
+}
+
+static void insert_tdb(char *keyname, size_t keylen, char* data, size_t datalen)
+{
+ TDB_DATA key, dbuf;
+
+ if ((keyname == NULL) || (keylen == 0)) {
+ terror("need key");
+ return;
+ }
+
+ key.dptr = (unsigned char *)keyname;
+ key.dsize = keylen;
+ dbuf.dptr = (unsigned char *)data;
+ dbuf.dsize = datalen;
+
+ if (tdb_store(tdb, key, dbuf, TDB_INSERT) == -1) {
+ terror("insert failed");
+ }
+}
+
+static void store_tdb(char *keyname, size_t keylen, char* data, size_t datalen)
+{
+ TDB_DATA key, dbuf;
+
+ if ((keyname == NULL) || (keylen == 0)) {
+ terror("need key");
+ return;
+ }
+
+ if ((data == NULL) || (datalen == 0)) {
+ terror("need data");
+ return;
+ }
+
+ key.dptr = (unsigned char *)keyname;
+ key.dsize = keylen;
+ dbuf.dptr = (unsigned char *)data;
+ dbuf.dsize = datalen;
+
+ printf("Storing key:\n");
+ print_rec(tdb, key, dbuf, NULL);
+
+ if (tdb_store(tdb, key, dbuf, TDB_REPLACE) == -1) {
+ terror("store failed");
+ }
+}
+
+static void show_tdb(char *keyname, size_t keylen)
+{
+ TDB_DATA key, dbuf;
+
+ if ((keyname == NULL) || (keylen == 0)) {
+ terror("need key");
+ return;
+ }
+
+ key.dptr = (unsigned char *)keyname;
+ key.dsize = keylen;
+
+ dbuf = tdb_fetch(tdb, key);
+ if (!dbuf.dptr) {
+ terror("fetch failed");
+ return;
+ }
+
+ print_rec(tdb, key, dbuf, NULL);
+
+ free( dbuf.dptr );
+
+ return;
+}
+
+static void delete_tdb(char *keyname, size_t keylen)
+{
+ TDB_DATA key;
+
+ if ((keyname == NULL) || (keylen == 0)) {
+ terror("need key");
+ return;
+ }
+
+ key.dptr = (unsigned char *)keyname;
+ key.dsize = keylen;
+
+ if (tdb_delete(tdb, key) != 0) {
+ terror("delete failed");
+ }
+}
+
+static void move_rec(char *keyname, size_t keylen, char* tdbname)
+{
+ TDB_DATA key, dbuf;
+ struct tdb_context *dst_tdb;
+
+ if ((keyname == NULL) || (keylen == 0)) {
+ terror("need key");
+ return;
+ }
+
+ if ( !tdbname ) {
+ terror("need destination tdb name");
+ return;
+ }
+
+ key.dptr = (unsigned char *)keyname;
+ key.dsize = keylen;
+
+ dbuf = tdb_fetch(tdb, key);
+ if (!dbuf.dptr) {
+ terror("fetch failed");
+ return;
+ }
+
+ print_rec(tdb, key, dbuf, NULL);
+
+ dst_tdb = tdb_open(tdbname, 0, O_RDWR, 0600, NULL);
+ if ( !dst_tdb ) {
+ terror("unable to open destination tdb");
+ return;
+ }
+
+ if ( tdb_store( dst_tdb, key, dbuf, TDB_REPLACE ) == -1 ) {
+ terror("failed to move record");
+ }
+ else
+ printf("record moved\n");
+
+ tdb_close( dst_tdb );
+
+ return;
+}
+
+static int print_rec(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
+{
+ printf("\nkey %d bytes\n", (int)key.dsize);
+ print_asc((const char *)key.dptr, key.dsize);
+ printf("\ndata %d bytes\n", (int)dbuf.dsize);
+ print_data((const char *)dbuf.dptr, dbuf.dsize);
+ return 0;
+}
+
+static int print_key(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
+{
+ printf("key %d bytes: ", (int)key.dsize);
+ print_asc((const char *)key.dptr, key.dsize);
+ printf("\n");
+ return 0;
+}
+
+static int print_hexkey(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
+{
+ printf("key %d bytes\n", (int)key.dsize);
+ print_data((const char *)key.dptr, key.dsize);
+ printf("\n");
+ return 0;
+}
+
+static int total_bytes;
+
+static int traverse_fn(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
+{
+ total_bytes += dbuf.dsize;
+ return 0;
+}
+
+static void info_tdb(void)
+{
+ char *summary = tdb_summary(tdb, TDB_SUMMARY_HISTOGRAMS);
+
+ if (!summary) {
+ printf("Error = %s\n", tdb_errorstr(tdb));
+ } else {
+ printf("%s", summary);
+ free(summary);
+ }
+}
+
+static void speed_tdb(const char *tlimit)
+{
+ unsigned timelimit = tlimit?atoi(tlimit):0;
+ double t;
+ int ops;
+ if (timelimit == 0) timelimit = 5;
+
+ ops = 0;
+ printf("Testing store speed for %u seconds\n", timelimit);
+ _start_timer();
+ do {
+ long int r = random();
+ TDB_DATA key, dbuf;
+ key.dptr = (unsigned char *)"store test";
+ key.dsize = strlen((char *)key.dptr);
+ dbuf.dptr = (unsigned char *)&r;
+ dbuf.dsize = sizeof(r);
+ tdb_store(tdb, key, dbuf, TDB_REPLACE);
+ t = _end_timer();
+ ops++;
+ } while (t < timelimit);
+ printf("%10.3f ops/sec\n", ops/t);
+
+ ops = 0;
+ printf("Testing fetch speed for %u seconds\n", timelimit);
+ _start_timer();
+ do {
+ long int r = random();
+ TDB_DATA key, dbuf;
+ key.dptr = (unsigned char *)"store test";
+ key.dsize = strlen((char *)key.dptr);
+ dbuf.dptr = (unsigned char *)&r;
+ dbuf.dsize = sizeof(r);
+ tdb_fetch(tdb, key);
+ t = _end_timer();
+ ops++;
+ } while (t < timelimit);
+ printf("%10.3f ops/sec\n", ops/t);
+
+#if 0 /* FIXME */
+ ops = 0;
+ printf("Testing transaction speed for %u seconds\n", timelimit);
+ _start_timer();
+ do {
+ long int r = random();
+ TDB_DATA key, dbuf;
+ key.dptr = (unsigned char *)"transaction test";
+ key.dsize = strlen((char *)key.dptr);
+ dbuf.dptr = (unsigned char *)&r;
+ dbuf.dsize = sizeof(r);
+ tdb_transaction_start(tdb);
+ tdb_store(tdb, key, dbuf, TDB_REPLACE);
+ tdb_transaction_commit(tdb);
+ t = _end_timer();
+ ops++;
+ } while (t < timelimit);
+ printf("%10.3f ops/sec\n", ops/t);
+#endif
+
+ ops = 0;
+ printf("Testing traverse speed for %u seconds\n", timelimit);
+ _start_timer();
+ do {
+ tdb_traverse(tdb, traverse_fn, NULL);
+ t = _end_timer();
+ ops++;
+ } while (t < timelimit);
+ printf("%10.3f ops/sec\n", ops/t);
+}
+
+static void toggle_mmap(void)
+{
+ disable_mmap = !disable_mmap;
+ if (disable_mmap) {
+ printf("mmap is disabled\n");
+ } else {
+ printf("mmap is enabled\n");
+ }
+}
+
+static char *tdb_getline(const char *prompt)
+{
+ static char thisline[1024];
+ char *p;
+ fputs(prompt, stdout);
+ thisline[0] = 0;
+ p = fgets(thisline, sizeof(thisline)-1, stdin);
+ if (p) p = strchr(p, '\n');
+ if (p) *p = 0;
+ return p?thisline:NULL;
+}
+
+static int do_delete_fn(struct tdb_context *the_tdb, TDB_DATA key, TDB_DATA dbuf,
+ void *state)
+{
+ return tdb_delete(the_tdb, key);
+}
+
+static void first_record(struct tdb_context *the_tdb, TDB_DATA *pkey)
+{
+ TDB_DATA dbuf;
+ *pkey = tdb_firstkey(the_tdb);
+
+ dbuf = tdb_fetch(the_tdb, *pkey);
+ if (!dbuf.dptr) terror("fetch failed");
+ else {
+ print_rec(the_tdb, *pkey, dbuf, NULL);
+ }
+}
+
+static void next_record(struct tdb_context *the_tdb, TDB_DATA *pkey)
+{
+ TDB_DATA dbuf;
+ *pkey = tdb_nextkey(the_tdb, *pkey);
+
+ dbuf = tdb_fetch(the_tdb, *pkey);
+ if (!dbuf.dptr)
+ terror("fetch failed");
+ else
+ print_rec(the_tdb, *pkey, dbuf, NULL);
+}
+
+static void check_db(struct tdb_context *the_tdb)
+{
+ if (!the_tdb) {
+ printf("Error: No database opened!\n");
+ } else {
+ if (tdb_check(the_tdb, NULL, NULL) == -1)
+ printf("Integrity check for the opened database failed.\n");
+ else
+ printf("Database integrity is OK.\n");
+ }
+}
+
+static int do_command(void)
+{
+ COMMAND_TABLE *ctp = cmd_table;
+ enum commands mycmd = CMD_HELP;
+ int cmd_len;
+
+ if (cmdname && strlen(cmdname) == 0) {
+ mycmd = CMD_NEXT;
+ } else {
+ while (ctp->name) {
+ cmd_len = strlen(ctp->name);
+ if (strncmp(ctp->name,cmdname,cmd_len) == 0) {
+ mycmd = ctp->cmd;
+ break;
+ }
+ ctp++;
+ }
+ }
+
+ switch (mycmd) {
+ case CMD_CREATE_TDB:
+ bIterate = 0;
+ create_tdb(arg1);
+ return 0;
+ case CMD_OPEN_TDB:
+ bIterate = 0;
+ open_tdb(arg1, NULL);
+ return 0;
+ case CMD_OPENJH_TDB:
+ bIterate = 0;
+ open_tdb(arg1, jenkins_hash);
+ return 0;
+ case CMD_SYSTEM:
+ /* Shell command */
+ if (system(arg1) == -1) {
+ terror("system() call failed\n");
+ }
+ return 0;
+ case CMD_QUIT:
+ return 1;
+ default:
+ /* all the rest require a open database */
+ if (!tdb) {
+ bIterate = 0;
+ terror("database not open");
+ help();
+ return 0;
+ }
+ switch (mycmd) {
+#if 0
+ case CMD_TRANSACTION_START:
+ bIterate = 0;
+ tdb_transaction_start(tdb);
+ return 0;
+ case CMD_TRANSACTION_COMMIT:
+ bIterate = 0;
+ tdb_transaction_commit(tdb);
+ return 0;
+ case CMD_TRANSACTION_CANCEL:
+ bIterate = 0;
+ tdb_transaction_cancel(tdb);
+ return 0;
+#endif
+ case CMD_ERASE:
+ bIterate = 0;
+ tdb_traverse(tdb, do_delete_fn, NULL);
+ return 0;
+ case CMD_DUMP:
+ bIterate = 0;
+ tdb_traverse(tdb, print_rec, NULL);
+ return 0;
+ case CMD_INSERT:
+ bIterate = 0;
+ insert_tdb(arg1, arg1len,arg2,arg2len);
+ return 0;
+ case CMD_MOVE:
+ bIterate = 0;
+ move_rec(arg1,arg1len,arg2);
+ return 0;
+ case CMD_STORE:
+ bIterate = 0;
+ store_tdb(arg1,arg1len,arg2,arg2len);
+ return 0;
+ case CMD_SHOW:
+ bIterate = 0;
+ show_tdb(arg1, arg1len);
+ return 0;
+ case CMD_KEYS:
+ tdb_traverse(tdb, print_key, NULL);
+ return 0;
+ case CMD_HEXKEYS:
+ tdb_traverse(tdb, print_hexkey, NULL);
+ return 0;
+ case CMD_DELETE:
+ bIterate = 0;
+ delete_tdb(arg1,arg1len);
+ return 0;
+#if 0
+ case CMD_LIST_HASH_FREE:
+ tdb_dump_all(tdb);
+ return 0;
+ case CMD_LIST_FREE:
+ tdb_printfreelist(tdb);
+ return 0;
+#endif
+ case CMD_INFO:
+ info_tdb();
+ return 0;
+ case CMD_SPEED:
+ speed_tdb(arg1);
+ return 0;
+ case CMD_MMAP:
+ toggle_mmap();
+ return 0;
+ case CMD_FIRST:
+ bIterate = 1;
+ first_record(tdb, &iterate_kbuf);
+ return 0;
+ case CMD_NEXT:
+ if (bIterate)
+ next_record(tdb, &iterate_kbuf);
+ return 0;
+ case CMD_CHECK:
+ check_db(tdb);
+ return 0;
+ case CMD_HELP:
+ help();
+ return 0;
+ case CMD_CREATE_TDB:
+ case CMD_OPEN_TDB:
+ case CMD_OPENJH_TDB:
+ case CMD_SYSTEM:
+ case CMD_QUIT:
+ /*
+ * unhandled commands. cases included here to avoid compiler
+ * warnings.
+ */
+ return 0;
+ }
+ }
+
+ return 0;
+}
+
+static char *convert_string(char *instring, size_t *sizep)
+{
+ size_t length = 0;
+ char *outp, *inp;
+ char temp[3];
+
+ outp = inp = instring;
+
+ while (*inp) {
+ if (*inp == '\\') {
+ inp++;
+ if (*inp && strchr("0123456789abcdefABCDEF",(int)*inp)) {
+ temp[0] = *inp++;
+ temp[1] = '\0';
+ if (*inp && strchr("0123456789abcdefABCDEF",(int)*inp)) {
+ temp[1] = *inp++;
+ temp[2] = '\0';
+ }
+ *outp++ = (char)strtol((const char *)temp,NULL,16);
+ } else {
+ *outp++ = *inp++;
+ }
+ } else {
+ *outp++ = *inp++;
+ }
+ length++;
+ }
+ *sizep = length;
+ return instring;
+}
+
+int main(int argc, char *argv[])
+{
+ cmdname = "";
+ arg1 = NULL;
+ arg1len = 0;
+ arg2 = NULL;
+ arg2len = 0;
+
+ if (argv[1]) {
+ cmdname = "open";
+ arg1 = argv[1];
+ do_command();
+ cmdname = "";
+ arg1 = NULL;
+ }
+
+ switch (argc) {
+ case 1:
+ case 2:
+ /* Interactive mode */
+ while ((cmdname = tdb_getline("tdb> "))) {
+ arg2 = arg1 = NULL;
+ if ((arg1 = strchr((const char *)cmdname,' ')) != NULL) {
+ arg1++;
+ arg2 = arg1;
+ while (*arg2) {
+ if (*arg2 == ' ') {
+ *arg2++ = '\0';
+ break;
+ }
+ if ((*arg2++ == '\\') && (*arg2 == ' ')) {
+ arg2++;
+ }
+ }
+ }
+ if (arg1) arg1 = convert_string(arg1,&arg1len);
+ if (arg2) arg2 = convert_string(arg2,&arg2len);
+ if (do_command()) break;
+ }
+ break;
+ case 5:
+ arg2 = convert_string(argv[4],&arg2len);
+ case 4:
+ arg1 = convert_string(argv[3],&arg1len);
+ case 3:
+ cmdname = argv[2];
+ default:
+ do_command();
+ break;
+ }
+
+ if (tdb) tdb_close(tdb);
+
+ return 0;
+}
--- /dev/null
+/* this tests tdb by doing lots of ops from several simultaneous
+ writers - that stresses the locking code.
+*/
+
+#include <ccan/tdb2/tdb2.h>
+#include <stdlib.h>
+#include <err.h>
+#include <getopt.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <fcntl.h>
+#include <time.h>
+#include <sys/wait.h>
+
+//#define REOPEN_PROB 30
+#define DELETE_PROB 8
+#define STORE_PROB 4
+#define APPEND_PROB 6
+//#define TRANSACTION_PROB 10
+//#define TRANSACTION_PREPARE_PROB 2
+#define LOCKSTORE_PROB 5
+#define TRAVERSE_PROB 20
+#define TRAVERSE_READ_PROB 20
+#define TRAVERSE_MOD_PROB 100
+#define TRAVERSE_ABORT_PROB 500
+#define CULL_PROB 100
+#define KEYLEN 3
+#define DATALEN 100
+
+static struct tdb_context *db;
+static int in_transaction;
+static int in_traverse;
+static int error_count;
+#if TRANSACTION_PROB
+static int always_transaction = 0;
+#endif
+static int loopnum;
+static int count_pipe;
+static union tdb_attribute log_attr;
+
+#ifdef PRINTF_ATTRIBUTE
+static void tdb_log(struct tdb_context *tdb, enum tdb_debug_level level, void *private, const char *format, ...) PRINTF_ATTRIBUTE(4,5);
+#endif
+static void tdb_log(struct tdb_context *tdb, enum tdb_debug_level level, void *private, const char *format, ...)
+{
+ va_list ap;
+
+ if (level != TDB_DEBUG_TRACE)
+ error_count++;
+
+ va_start(ap, format);
+ vfprintf(stdout, format, ap);
+ va_end(ap);
+ fflush(stdout);
+#if 0
+ if (level != TDB_DEBUG_TRACE) {
+ char *ptr;
+ signal(SIGUSR1, SIG_IGN);
+ asprintf(&ptr,"xterm -e gdb /proc/%d/exe %d", getpid(), getpid());
+ system(ptr);
+ free(ptr);
+ }
+#endif
+}
+
+#include "../private.h"
+
+static void segv_handler(int signal, siginfo_t *info, void *p)
+{
+ char string[100];
+
+ sprintf(string, "%u: death at %p (map_ptr %p, map_size %llu)\n",
+ getpid(), info->si_addr, db->map_ptr, db->map_size);
+ write(2, string, strlen(string));
+ sleep(60);
+ _exit(11);
+}
+
+static void fatal(const char *why)
+{
+ perror(why);
+ error_count++;
+}
+
+static char *randbuf(int len)
+{
+ char *buf;
+ int i;
+ buf = (char *)malloc(len+1);
+
+ for (i=0;i<len;i++) {
+ buf[i] = 'a' + (rand() % 26);
+ }
+ buf[i] = 0;
+ return buf;
+}
+
+static void addrec_db(void);
+static int modify_traverse(struct tdb_context *tdb, TDB_DATA key, TDB_DATA dbuf,
+ void *state)
+{
+#if CULL_PROB
+ if (random() % CULL_PROB == 0) {
+ tdb_delete(tdb, key);
+ }
+#endif
+
+#if TRAVERSE_MOD_PROB
+ if (random() % TRAVERSE_MOD_PROB == 0) {
+ addrec_db();
+ }
+#endif
+
+#if TRAVERSE_ABORT_PROB
+ if (random() % TRAVERSE_ABORT_PROB == 0)
+ return 1;
+#endif
+
+ return 0;
+}
+
+static void addrec_db(void)
+{
+ int klen, dlen;
+ char *k, *d;
+ TDB_DATA key, data;
+
+ klen = 1 + (rand() % KEYLEN);
+ dlen = 1 + (rand() % DATALEN);
+
+ k = randbuf(klen);
+ d = randbuf(dlen);
+
+ key.dptr = (unsigned char *)k;
+ key.dsize = klen+1;
+
+ data.dptr = (unsigned char *)d;
+ data.dsize = dlen+1;
+
+#if REOPEN_PROB
+ if (in_traverse == 0 && in_transaction == 0 && random() % REOPEN_PROB == 0) {
+ tdb_reopen_all(0);
+ goto next;
+ }
+#endif
+
+#if TRANSACTION_PROB
+ if (in_traverse == 0 && in_transaction == 0 && (always_transaction || random() % TRANSACTION_PROB == 0)) {
+ if (tdb_transaction_start(db) != 0) {
+ fatal("tdb_transaction_start failed");
+ }
+ in_transaction++;
+ goto next;
+ }
+ if (in_traverse == 0 && in_transaction && random() % TRANSACTION_PROB == 0) {
+ if (random() % TRANSACTION_PREPARE_PROB == 0) {
+ if (tdb_transaction_prepare_commit(db) != 0) {
+ fatal("tdb_transaction_prepare_commit failed");
+ }
+ }
+ if (tdb_transaction_commit(db) != 0) {
+ fatal("tdb_transaction_commit failed");
+ }
+ in_transaction--;
+ goto next;
+ }
+
+ if (in_traverse == 0 && in_transaction && random() % TRANSACTION_PROB == 0) {
+ if (tdb_transaction_cancel(db) != 0) {
+ fatal("tdb_transaction_cancel failed");
+ }
+ in_transaction--;
+ goto next;
+ }
+#endif
+
+#if DELETE_PROB
+ if (random() % DELETE_PROB == 0) {
+ tdb_delete(db, key);
+ goto next;
+ }
+#endif
+
+#if STORE_PROB
+ if (random() % STORE_PROB == 0) {
+ if (tdb_store(db, key, data, TDB_REPLACE) != 0) {
+ fatal("tdb_store failed");
+ }
+ goto next;
+ }
+#endif
+
+#if APPEND_PROB
+ if (random() % APPEND_PROB == 0) {
+ if (tdb_append(db, key, data) != 0) {
+ fatal("tdb_append failed");
+ }
+ goto next;
+ }
+#endif
+
+#if LOCKSTORE_PROB
+ if (random() % LOCKSTORE_PROB == 0) {
+ tdb_chainlock(db, key);
+ data = tdb_fetch(db, key);
+ if (tdb_store(db, key, data, TDB_REPLACE) != 0) {
+ fatal("tdb_store failed");
+ }
+ if (data.dptr) free(data.dptr);
+ tdb_chainunlock(db, key);
+ goto next;
+ }
+#endif
+
+#if TRAVERSE_PROB
+ /* FIXME: recursive traverses break transactions? */
+ if (in_traverse == 0 && random() % TRAVERSE_PROB == 0) {
+ in_traverse++;
+ tdb_traverse(db, modify_traverse, NULL);
+ in_traverse--;
+ goto next;
+ }
+#endif
+
+#if TRAVERSE_READ_PROB
+ if (in_traverse == 0 && random() % TRAVERSE_READ_PROB == 0) {
+ in_traverse++;
+ tdb_traverse_read(db, NULL, NULL);
+ in_traverse--;
+ goto next;
+ }
+#endif
+
+ data = tdb_fetch(db, key);
+ if (data.dptr) free(data.dptr);
+
+next:
+ free(k);
+ free(d);
+}
+
+static int traverse_fn(struct tdb_context *tdb, TDB_DATA key, TDB_DATA dbuf,
+ void *state)
+{
+ tdb_delete(tdb, key);
+ return 0;
+}
+
+static void usage(void)
+{
+ printf("Usage: tdbtorture"
+#if TRANSACTION_PROB
+ " [-t]"
+#endif
+ " [-k] [-n NUM_PROCS] [-l NUM_LOOPS] [-s SEED]\n");
+ exit(0);
+}
+
+static void send_count_and_suicide(int sig)
+{
+ /* This ensures our successor can continue where we left off. */
+ write(count_pipe, &loopnum, sizeof(loopnum));
+ /* This gives a unique signature. */
+ kill(getpid(), SIGUSR2);
+}
+
+static int run_child(int i, int seed, unsigned num_loops, unsigned start)
+{
+ struct sigaction act = { .sa_sigaction = segv_handler,
+ .sa_flags = SA_SIGINFO };
+ sigaction(11, &act, NULL);
+
+ db = tdb_open("torture.tdb", TDB_DEFAULT, O_RDWR | O_CREAT, 0600,
+ &log_attr);
+ if (!db) {
+ fatal("db open failed");
+ }
+
+#if 0
+ if (i == 0) {
+ printf("pid %i\n", getpid());
+ sleep(9);
+ } else
+ sleep(10);
+#endif
+
+ srand(seed + i);
+ srandom(seed + i);
+
+ /* Set global, then we're ready to handle being killed. */
+ loopnum = start;
+ signal(SIGUSR1, send_count_and_suicide);
+
+ for (;loopnum<num_loops && error_count == 0;loopnum++) {
+ addrec_db();
+ }
+
+ if (error_count == 0) {
+ tdb_traverse_read(db, NULL, NULL);
+#if TRANSACTION_PROB
+ if (always_transaction) {
+ while (in_transaction) {
+ tdb_transaction_cancel(db);
+ in_transaction--;
+ }
+ if (tdb_transaction_start(db) != 0)
+ fatal("tdb_transaction_start failed");
+ }
+#endif
+ tdb_traverse(db, traverse_fn, NULL);
+ tdb_traverse(db, traverse_fn, NULL);
+
+#if TRANSACTION_PROB
+ if (always_transaction) {
+ if (tdb_transaction_commit(db) != 0)
+ fatal("tdb_transaction_commit failed");
+ }
+#endif
+ }
+
+ tdb_close(db);
+
+ return (error_count < 100 ? error_count : 100);
+}
+
+int main(int argc, char * const *argv)
+{
+ int i, seed = -1;
+ int num_loops = 5000;
+ int num_procs = 3;
+ int c, pfds[2];
+ extern char *optarg;
+ pid_t *pids;
+ int kill_random = 0;
+ int *done;
+
+ log_attr.log.log_fn = tdb_log;
+
+ while ((c = getopt(argc, argv, "n:l:s:thk")) != -1) {
+ switch (c) {
+ case 'n':
+ num_procs = strtol(optarg, NULL, 0);
+ break;
+ case 'l':
+ num_loops = strtol(optarg, NULL, 0);
+ break;
+ case 's':
+ seed = strtol(optarg, NULL, 0);
+ break;
+ case 't':
+#if TRANSACTION_PROB
+ always_transaction = 1;
+#else
+ fprintf(stderr, "Transactions not supported\n");
+ usage();
+#endif
+ break;
+ case 'k':
+ kill_random = 1;
+ break;
+ default:
+ usage();
+ }
+ }
+
+ unlink("torture.tdb");
+
+ if (seed == -1) {
+ seed = (getpid() + time(NULL)) & 0x7FFFFFFF;
+ }
+
+ if (num_procs == 1 && !kill_random) {
+ /* Don't fork for this case, makes debugging easier. */
+ error_count = run_child(0, seed, num_loops, 0);
+ goto done;
+ }
+
+ pids = (pid_t *)calloc(sizeof(pid_t), num_procs);
+ done = (int *)calloc(sizeof(int), num_procs);
+
+ if (pipe(pfds) != 0) {
+ perror("Creating pipe");
+ exit(1);
+ }
+ count_pipe = pfds[1];
+
+ for (i=0;i<num_procs;i++) {
+ if ((pids[i]=fork()) == 0) {
+ close(pfds[0]);
+ if (i == 0) {
+ printf("testing with %d processes, %d loops, seed=%d%s\n",
+ num_procs, num_loops, seed,
+#if TRANSACTION_PROB
+ always_transaction ? " (all within transactions)" : ""
+#else
+ ""
+#endif
+ );
+ }
+ exit(run_child(i, seed, num_loops, 0));
+ }
+ }
+
+ while (num_procs) {
+ int status, j;
+ pid_t pid;
+
+ if (error_count != 0) {
+ /* try and stop the test on any failure */
+ for (j=0;j<num_procs;j++) {
+ if (pids[j] != 0) {
+ kill(pids[j], SIGTERM);
+ }
+ }
+ }
+
+ pid = waitpid(-1, &status, kill_random ? WNOHANG : 0);
+ if (pid == 0) {
+ struct timespec ts;
+
+ /* Sleep for 1/10 second. */
+ ts.tv_sec = 0;
+ ts.tv_nsec = 100000000;
+ nanosleep(&ts, NULL);
+
+ /* Kill someone. */
+ kill(pids[random() % num_procs], SIGUSR1);
+ continue;
+ }
+
+ if (pid == -1) {
+ perror("failed to wait for child\n");
+ exit(1);
+ }
+
+ for (j=0;j<num_procs;j++) {
+ if (pids[j] == pid) break;
+ }
+ if (j == num_procs) {
+ printf("unknown child %d exited!?\n", (int)pid);
+ exit(1);
+ }
+ if (WIFSIGNALED(status)) {
+ if (WTERMSIG(status) == SIGUSR2
+ || WTERMSIG(status) == SIGUSR1) {
+ /* SIGUSR2 means they wrote to pipe. */
+ if (WTERMSIG(status) == SIGUSR2) {
+ read(pfds[0], &done[j],
+ sizeof(done[j]));
+ }
+ pids[j] = fork();
+ if (pids[j] == 0)
+ exit(run_child(j, seed, num_loops,
+ done[j]));
+ printf("Restarting child %i for %u-%u\n",
+ j, done[j], num_loops);
+ continue;
+ }
+ printf("child %d exited with signal %d\n",
+ (int)pid, WTERMSIG(status));
+ error_count++;
+ } else {
+ if (WEXITSTATUS(status) != 0) {
+ printf("child %d exited with status %d\n",
+ (int)pid, WEXITSTATUS(status));
+ error_count++;
+ }
+ }
+ memmove(&pids[j], &pids[j+1],
+ (num_procs - j - 1)*sizeof(pids[0]));
+ num_procs--;
+ }
+
+ free(pids);
+
+done:
+ if (error_count == 0) {
+ db = tdb_open("torture.tdb", TDB_DEFAULT, O_RDWR | O_CREAT,
+ 0600, &log_attr);
+ if (!db) {
+ fatal("db open failed");
+ }
+ if (tdb_check(db, NULL, NULL) == -1) {
+ printf("db check failed");
+ exit(1);
+ }
+ tdb_close(db);
+ printf("OK\n");
+ }
+
+ return error_count;
+}