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;
102 ctdb_db = ctdb_db_handle(ctdb, "persistent.tdb");
104 key.dptr = discard_const("testkey");
105 key.dsize = strlen((const char *)key.dptr)+1;
108 while (end_timer() < timelimit) {
110 TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
111 struct ctdb_record_handle *h;
115 h = ctdb_fetch_lock(ctdb_db, tmp_ctx, key, &data);
117 printf("Failed to fetch record '%s' on node %d\n",
118 (const char *)key.dptr, ctdb_get_pnn(ctdb));
119 talloc_free(tmp_ctx);
123 if (data.dsize < sizeof(uint32_t) * (pnn+1)) {
124 unsigned char *ptr = data.dptr;
126 data.dptr = talloc_zero_size(tmp_ctx, sizeof(uint32_t) * (pnn+1));
127 memcpy(data.dptr, ptr, data.dsize);
130 data.dsize = sizeof(uint32_t) * (pnn+1);
133 if (data.dptr == NULL) {
134 printf("Failed to realloc array\n");
135 talloc_free(tmp_ctx);
139 counters = (uint32_t *)data.dptr;
141 /* bump our counter */
144 ret = ctdb_record_store(h, data);
146 DEBUG(DEBUG_ERR,("Failed to store record\n"));
150 /* store the counters and verify that they are sane */
152 check_counters(ctdb, data);
156 talloc_free(tmp_ctx);
164 int main(int argc, const char *argv[])
166 struct ctdb_context *ctdb;
167 struct ctdb_db_context *ctdb_db;
168 int unsafe_writes = 0;
169 struct poptOption popt_options[] = {
172 { "timelimit", 't', POPT_ARG_INT, &timelimit, 0, "timelimit", "integer" },
173 { "unsafe-writes", 'u', POPT_ARG_NONE, &unsafe_writes, 0, "do not use tdb transactions when writing", NULL },
177 const char **extra_argv;
180 struct event_context *ev;
184 pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
186 while ((opt = poptGetNextOpt(pc)) != -1) {
189 fprintf(stderr, "Invalid option %s: %s\n",
190 poptBadOption(pc, 0), poptStrerror(opt));
195 /* setup the remaining options for the main program to use */
196 extra_argv = poptGetArgs(pc);
199 while (extra_argv[extra_argc]) extra_argc++;
202 ev = event_context_init(NULL);
204 ctdb = ctdb_cmdline_client(ev);
206 printf("Could not attach to daemon\n");
210 /* attach to a specific database */
211 if (unsafe_writes == 1) {
212 ctdb_db = ctdb_attach(ctdb, "persistent.tdb", true, TDB_NOSYNC);
214 ctdb_db = ctdb_attach(ctdb, "persistent.tdb", true, 0);
218 printf("ctdb_attach failed - %s\n", ctdb_errstr(ctdb));
222 printf("Waiting for cluster\n");
225 ctdb_ctrl_getrecmode(ctdb, ctdb, timeval_zero(), CTDB_CURRENT_NODE, &recmode);
226 if (recmode == 0) break;
230 pnn = ctdb_get_pnn(ctdb);
231 printf("Starting test on node %u. running for %u seconds\n", pnn, timelimit);
234 event_add_timed(ev, ctdb, timeval_current_ofs(1, 0), each_second, ctdb);
237 test_store_records(ctdb, ev);
240 if (success != true) {
241 printf("The test FAILED\n");
244 printf("SUCCESS!\n");