2 simple tool to test persistent databases
4 Copyright (C) Andrew Tridgell 2006-2007
5 Copyright (c) Ronnie sahlberg 2007
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, see <http://www.gnu.org/licenses/>.
22 #include "lib/events/events.h"
23 #include "system/filesys.h"
30 static struct timeval tp1,tp2;
32 static void start_timer(void)
34 gettimeofday(&tp1,NULL);
37 static double end_timer(void)
39 gettimeofday(&tp2,NULL);
40 return (tp2.tv_sec + (tp2.tv_usec*1.0e-6)) -
41 (tp1.tv_sec + (tp1.tv_usec*1.0e-6));
44 static int timelimit = 10;
46 static unsigned int pnn;
48 static TDB_DATA old_data;
50 static int success = true;
52 static void each_second(struct event_context *ev, struct timed_event *te,
53 struct timeval t, void *private_data)
55 struct ctdb_context *ctdb = talloc_get_type(private_data, struct ctdb_context);
57 uint32_t *old_counters;
60 printf("[%4u] Counters: ", getpid());
61 old_counters = (uint32_t *)old_data.dptr;
62 for (i=0;i<old_data.dsize/sizeof(uint32_t); i++) {
63 printf("%6u ", old_counters[i]);
67 event_add_timed(ev, ctdb, timeval_current_ofs(1, 0), each_second, ctdb);
70 static void check_counters(struct ctdb_context *ctdb, TDB_DATA data)
73 uint32_t *counters, *old_counters;
75 counters = (uint32_t *)data.dptr;
76 old_counters = (uint32_t *)old_data.dptr;
78 /* check that all the counters are monotonic increasing */
79 for (i=0; i<old_data.dsize/sizeof(uint32_t); i++) {
80 if (counters[i]<old_counters[i]) {
81 printf("[%4u] ERROR: counters has decreased for node %u From %u to %u\n",
82 getpid(), i, old_counters[i], counters[i]);
87 if (old_data.dsize != data.dsize) {
88 old_data.dsize = data.dsize;
89 old_data.dptr = talloc_realloc_size(ctdb, old_data.dptr, old_data.dsize);
92 memcpy(old_data.dptr, data.dptr, data.dsize);
97 static void test_store_records(struct ctdb_context *ctdb, struct event_context *ev)
100 struct ctdb_db_context *ctdb_db;
103 ctdb_db = ctdb_db_handle(ctdb, "transaction.tdb");
105 key.dptr = discard_const("testkey");
106 key.dsize = strlen((const char *)key.dptr)+1;
109 while (end_timer() < timelimit) {
110 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
113 struct ctdb_transaction_handle *h;
114 h = ctdb_transaction_start(ctdb_db, tmp_ctx);
116 printf("Failed to start transaction on node %d\n",
118 talloc_free(tmp_ctx);
122 ret = ctdb_transaction_fetch(h, tmp_ctx, key, &data);
124 DEBUG(DEBUG_ERR,("Failed to fetch record\n"));
128 if (data.dsize < sizeof(uint32_t) * (pnn+1)) {
129 unsigned char *ptr = data.dptr;
131 data.dptr = talloc_zero_size(tmp_ctx, sizeof(uint32_t) * (pnn+1));
132 memcpy(data.dptr, ptr, data.dsize);
135 data.dsize = sizeof(uint32_t) * (pnn+1);
138 if (data.dptr == NULL) {
139 printf("Failed to realloc array\n");
140 talloc_free(tmp_ctx);
144 counters = (uint32_t *)data.dptr;
146 /* bump our counter */
149 ret = ctdb_transaction_store(h, key, data);
151 DEBUG(DEBUG_ERR,("Failed to store record\n"));
155 ret = ctdb_transaction_commit(h);
157 DEBUG(DEBUG_ERR,("Failed to commit transaction\n"));
161 /* store the counters and verify that they are sane */
163 check_counters(ctdb, data);
166 talloc_free(tmp_ctx);
174 int main(int argc, const char *argv[])
176 struct ctdb_context *ctdb;
177 struct ctdb_db_context *ctdb_db;
178 int unsafe_writes = 0;
179 struct poptOption popt_options[] = {
182 { "timelimit", 't', POPT_ARG_INT, &timelimit, 0, "timelimit", "integer" },
183 { "unsafe-writes", 'u', POPT_ARG_NONE, &unsafe_writes, 0, "do not use tdb transactions when writing", NULL },
187 const char **extra_argv;
190 struct event_context *ev;
194 pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
196 while ((opt = poptGetNextOpt(pc)) != -1) {
199 fprintf(stderr, "Invalid option %s: %s\n",
200 poptBadOption(pc, 0), poptStrerror(opt));
205 /* setup the remaining options for the main program to use */
206 extra_argv = poptGetArgs(pc);
209 while (extra_argv[extra_argc]) extra_argc++;
212 ev = event_context_init(NULL);
214 ctdb = ctdb_cmdline_client(ev);
216 printf("Could not attach to daemon\n");
220 /* attach to a specific database */
221 if (unsafe_writes == 1) {
222 ctdb_db = ctdb_attach(ctdb, "transaction.tdb", true, TDB_NOSYNC);
224 ctdb_db = ctdb_attach(ctdb, "transaction.tdb", true, 0);
228 printf("ctdb_attach failed - %s\n", ctdb_errstr(ctdb));
232 printf("Waiting for cluster\n");
235 ctdb_ctrl_getrecmode(ctdb, ctdb, timeval_zero(), CTDB_CURRENT_NODE, &recmode);
236 if (recmode == 0) break;
240 pnn = ctdb_get_pnn(ctdb);
241 printf("Starting test on node %u. running for %u seconds\n", pnn, timelimit);
244 event_add_timed(ev, ctdb, timeval_current_ofs(1, 0), each_second, ctdb);
247 test_store_records(ctdb, ev);
250 if (success != true) {
251 printf("The test FAILED\n");
254 printf("SUCCESS!\n");