diff options
Diffstat (limited to 'source3/utils/dbwrap_torture.c')
| -rw-r--r-- | source3/utils/dbwrap_torture.c | 363 |
1 files changed, 363 insertions, 0 deletions
diff --git a/source3/utils/dbwrap_torture.c b/source3/utils/dbwrap_torture.c new file mode 100644 index 0000000..7a6d939 --- /dev/null +++ b/source3/utils/dbwrap_torture.c @@ -0,0 +1,363 @@ +/* + Samba Linux/Unix CIFS implementation + + simple tool to test persistent databases + + Copyright (C) Michael Adam 2009 + + 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 "includes.h" +#include "system/filesys.h" +#include "lib/cmdline/cmdline.h" +#include "dbwrap/dbwrap.h" +#include "dbwrap/dbwrap_open.h" +#include "messages.h" +#include "lib/util/util_tdb.h" + +#if 0 +#include "lib/events/events.h" +#include "system/filesys.h" +#include "popt.h" +#include "cmdline.h" + +#include <sys/time.h> +#include <time.h> +#endif + +#define DEFAULT_DB_NAME "transaction.tdb" + +static int timelimit = 10; +static int torture_delay = 0; +static int verbose = 0; +static int no_trans = 0; +static const char *db_name = DEFAULT_DB_NAME; + + +static unsigned int pnn; + +static TDB_DATA old_data; + +static int success = true; + +static void print_counters(void) +{ + int i; + uint32_t *old_counters; + + printf("[%4u] Counters: ", (unsigned int)getpid()); + old_counters = (uint32_t *)old_data.dptr; + for (i=0; i < old_data.dsize/sizeof(uint32_t); i++) { + printf("%6u ", old_counters[i]); + } + printf("\n"); +} + +static void each_second(struct tevent_context *ev, + struct tevent_timer *te, + struct timeval t, + void *private_data) +{ + struct db_context *db = talloc_get_type(private_data, struct db_context); + + print_counters(); + + tevent_add_timer(ev, db, timeval_current_ofs(1, 0), each_second, db); +} + +static bool check_counters(struct db_context *db, TDB_DATA data) +{ + int i; + uint32_t *counters, *old_counters; + + counters = (uint32_t *)data.dptr; + old_counters = (uint32_t *)old_data.dptr; + + /* check that all the counters are monotonic increasing */ + for (i=0; i < old_data.dsize/sizeof(uint32_t); i++) { + if (counters[i] < old_counters[i]) { + printf("[%4u] ERROR: counters has decreased for node %u From %u to %u\n", + (unsigned int)getpid(), i, old_counters[i], counters[i]); + success = false; + return false; + } + } + + if (old_data.dsize != data.dsize) { + old_data.dsize = data.dsize; + old_data.dptr = (unsigned char*)talloc_realloc_size(db, old_data.dptr, old_data.dsize); + } + + memcpy(old_data.dptr, data.dptr, data.dsize); + if (verbose) print_counters(); + + return true; +} + + +static void do_sleep(unsigned int sec) +{ + unsigned int i; + + if (sec == 0) { + return; + } + + for (i=0; i<sec; i++) { + if (verbose) printf("."); + sleep(1); + } + + if (verbose) printf("\n"); +} + +static void test_store_records(struct db_context *db, struct tevent_context *ev) +{ + TDB_DATA key; + uint32_t *counters; + TALLOC_CTX *tmp_ctx = talloc_stackframe(); + struct timeval start; + + key = string_term_tdb_data("testkey"); + + start = timeval_current(); + while ((timelimit == 0) || (timeval_elapsed(&start) < timelimit)) { + struct db_record *rec; + TDB_DATA data; + TDB_DATA value; + int ret; + NTSTATUS status; + + if (!no_trans) { + if (verbose) DEBUG(1, ("starting transaction\n")); + ret = dbwrap_transaction_start(db); + if (ret != 0) { + DEBUG(0, ("Failed to start transaction on node " + "%d\n", pnn)); + goto fail; + } + if (verbose) DEBUG(1, ("transaction started\n")); + do_sleep(torture_delay); + } + + if (verbose) DEBUG(1, ("calling fetch_lock\n")); + rec = dbwrap_fetch_locked(db, tmp_ctx, key); + if (rec == NULL) { + DEBUG(0, ("Failed to fetch record\n")); + goto fail; + } + if (verbose) DEBUG(1, ("fetched record ok\n")); + do_sleep(torture_delay); + value = dbwrap_record_get_value(rec); + + data.dsize = MAX(value.dsize, sizeof(uint32_t) * (pnn+1)); + data.dptr = (unsigned char *)talloc_zero_size(tmp_ctx, + data.dsize); + if (data.dptr == NULL) { + DEBUG(0, ("Failed to allocate data\n")); + goto fail; + } + memcpy(data.dptr, value.dptr, value.dsize); + + counters = (uint32_t *)data.dptr; + + /* bump our counter */ + counters[pnn]++; + + if (verbose) DEBUG(1, ("storing data\n")); + status = dbwrap_record_store(rec, data, TDB_REPLACE); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(0, ("Failed to store record\n")); + if (!no_trans) { + ret = dbwrap_transaction_cancel(db); + if (ret != 0) { + DEBUG(0, ("Error cancelling transaction.\n")); + } + } + goto fail; + } + talloc_free(rec); + if (verbose) DEBUG(1, ("stored data ok\n")); + do_sleep(torture_delay); + + if (!no_trans) { + if (verbose) DEBUG(1, ("calling transaction_commit\n")); + ret = dbwrap_transaction_commit(db); + if (ret != 0) { + DEBUG(0, ("Failed to commit transaction\n")); + goto fail; + } + if (verbose) DEBUG(1, ("transaction committed\n")); + } + + /* store the counters and verify that they are sane */ + if (verbose || (pnn == 0)) { + if (!check_counters(db, data)) { + goto fail; + } + } + talloc_free(data.dptr); + + do_sleep(torture_delay); + } + + goto done; + +fail: + success = false; + +done: + talloc_free(tmp_ctx); + return; +} + +/* + main program +*/ +int main(int argc, const char *argv[]) +{ + TALLOC_CTX *mem_ctx; + struct tevent_context *ev_ctx; + struct messaging_context *msg_ctx; + struct db_context *db; + + int unsafe_writes = 0; + struct poptOption popt_options[] = { + POPT_AUTOHELP + POPT_COMMON_SAMBA + { "timelimit", 't', POPT_ARG_INT, &timelimit, 0, "timelimit", "INTEGER" }, + { "delay", 'D', POPT_ARG_INT, &torture_delay, 0, "delay (in seconds) between operations", "INTEGER" }, + { "verbose", 'v', POPT_ARG_NONE, &verbose, 0, "switch on verbose mode", NULL }, + { "db-name", 'N', POPT_ARG_STRING, &db_name, 0, "name of the test db", "NAME" }, + { "no-trans", 'n', POPT_ARG_NONE, &no_trans, 0, "use fetch_lock/record store instead of transactions", NULL }, + { "unsafe-writes", 'u', POPT_ARG_NONE, &unsafe_writes, 0, "do not use tdb transactions when writing", NULL }, + POPT_COMMON_VERSION + POPT_TABLEEND + }; + int opt; + const char **extra_argv; + int extra_argc = 0; + poptContext pc; + int tdb_flags; + bool ok; + int ret = 1; + + mem_ctx = talloc_stackframe(); + + if (verbose) { + setbuf(stdout, (char *)NULL); /* don't buffer */ + } else { + setlinebuf(stdout); + } + + smb_init_locale(); + + ok = samba_cmdline_init(mem_ctx, + SAMBA_CMDLINE_CONFIG_CLIENT, + false /* require_smbconf */); + if (!ok) { + DBG_ERR("Failed to init cmdline parser!\n"); + TALLOC_FREE(mem_ctx); + exit(1); + } + lp_set_cmdline("log level", "0"); + + pc = samba_popt_get_context(getprogname(), + argc, + argv, + popt_options, + POPT_CONTEXT_KEEP_FIRST); + if (pc == NULL) { + DBG_ERR("Failed to setup popt context!\n"); + TALLOC_FREE(mem_ctx); + exit(1); + } + + while ((opt = poptGetNextOpt(pc)) != -1) { + switch (opt) { + default: + fprintf(stderr, "Invalid option %s: %s\n", + poptBadOption(pc, 0), poptStrerror(opt)); + goto done; + } + } + + /* setup the remaining options for the main program to use */ + extra_argv = poptGetArgs(pc); + if (extra_argv) { + extra_argv++; + while (extra_argv[extra_argc]) extra_argc++; + } + + ev_ctx = samba_tevent_context_init(mem_ctx); + if (ev_ctx == NULL) { + d_fprintf(stderr, "ERROR: could not init event context\n"); + goto done; + } + + msg_ctx = messaging_init(mem_ctx, ev_ctx); + if (msg_ctx == NULL) { + d_fprintf(stderr, "ERROR: could not init messaging context\n"); + goto done; + } + + if (unsafe_writes == 1) { + tdb_flags = TDB_NOSYNC; + } else { + tdb_flags = TDB_DEFAULT; + } + + if (no_trans) { + tdb_flags |= TDB_CLEAR_IF_FIRST|TDB_INCOMPATIBLE_HASH; + } + + db = db_open(mem_ctx, db_name, 0, tdb_flags, O_RDWR | O_CREAT, 0644, + DBWRAP_LOCK_ORDER_1, DBWRAP_FLAG_NONE); + + if (db == NULL) { + d_fprintf(stderr, "failed to open db '%s': %s\n", db_name, + strerror(errno)); + goto done; + } + + if (get_my_vnn() == NONCLUSTER_VNN) { + set_my_vnn(0); + } + pnn = get_my_vnn(); + + printf("Starting test on node %u. running for %u seconds. " + "sleep delay: %u seconds.\n", pnn, timelimit, torture_delay); + + if (!verbose && (pnn == 0)) { + tevent_add_timer(ev_ctx, db, timeval_current_ofs(1, 0), each_second, db); + } + + test_store_records(db, ev_ctx); + + if (verbose || (pnn == 0)) { + if (success != true) { + printf("The test FAILED\n"); + ret = 2; + } else { + printf("SUCCESS!\n"); + ret = 0; + } + } + +done: + poptFreeContext(pc); + talloc_free(mem_ctx); + return ret; +} |