source4/cluster/ctdb/tests/ctdb_store.c

   1 /*
   2    simple tool to create a lot of records on a tdb and to read them out
   3
   4    Copyright (C) Andrew Tridgell  2006
   5         Ronnie sahlberg 2007
   6
   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.
  11
  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.
  16
  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/>.
  19 */
  20
  21 #include "includes.h"
  22 #include "lib/events/events.h"
  23 #include "system/filesys.h"
  24 #include "popt.h"
  25 #include "cmdline.h"
  26
  27 #include <sys/time.h>
  28 #include <time.h>
  29
  30 static int num_records = 10;
  31
  32
  33 static void store_records(struct ctdb_context *ctdb, struct event_context *ev)
  34 {
  35         TDB_DATA key, data;
  36         struct ctdb_db_context *ctdb_db;
  37         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
  38         int ret;
  39         struct ctdb_record_handle *h;
  40         uint32_t i;
  41
  42         ctdb_db = ctdb_db_handle(ctdb, "test.tdb");
  43
  44         printf("creating %d records\n", num_records);
  45         for (i=0;i<num_records;i++) {
  46                 key.dptr = (uint8_t *)&i;
  47                 key.dsize = sizeof(uint32_t);
  48
  49                 h = ctdb_fetch_lock(ctdb_db, tmp_ctx, key, &data);
  50                 if (h == NULL) {
  51                         printf("Failed to fetch record '%s' on node %d\n",
  52                                (const char *)key.dptr, ctdb_get_vnn(ctdb));
  53                         talloc_free(tmp_ctx);
  54                         return;
  55                 }
  56
  57                 data.dptr = (uint8_t *)&i;
  58                 data.dsize = sizeof(uint32_t);
  59
  60                 ret = ctdb_record_store(h, data);
  61                 talloc_free(h);
  62                 if (ret != 0) {
  63                         printf("Failed to store record\n");
  64                 }
  65                 if (i % 1000 == 0) {
  66                         printf("%u\r", i);
  67                         fflush(stdout);
  68                 }
  69         }
  70
  71         printf("fetching all %d records\n", num_records);
  72         while (1) {
  73                 for (i=0;i<num_records;i++) {
  74                         key.dptr = (uint8_t *)&i;
  75                         key.dsize = sizeof(uint32_t);
  76
  77                         h = ctdb_fetch_lock(ctdb_db, tmp_ctx, key, &data);
  78                         if (h == NULL) {
  79                                 printf("Failed to fetch record '%s' on node %d\n",
  80                                        (const char *)key.dptr, ctdb_get_vnn(ctdb));
  81                                 talloc_free(tmp_ctx);
  82                                 return;
  83                         }
  84                         talloc_free(h);
  85                 }
  86                 sleep(1);
  87                 printf(".");
  88                 fflush(stdout);
  89         }
  90
  91         talloc_free(tmp_ctx);
  92 }
  93
  94 /*
  95   main program
  96 */
  97 int main(int argc, const char *argv[])
  98 {
  99         struct ctdb_context *ctdb;
 100         struct ctdb_db_context *ctdb_db;
 101
 102         struct poptOption popt_options[] = {
 103                 POPT_AUTOHELP
 104                 POPT_CTDB_CMDLINE
 105                 { "num-records", 'r', POPT_ARG_INT, &num_records, 0, "num_records", "integer" },
 106                 POPT_TABLEEND
 107         };
 108         int opt;
 109         const char **extra_argv;
 110         int extra_argc = 0;
 111         poptContext pc;
 112         struct event_context *ev;
 113
 114         pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
 115
 116         while ((opt = poptGetNextOpt(pc)) != -1) {
 117                 switch (opt) {
 118                 default:
 119                         fprintf(stderr, "Invalid option %s: %s\n",
 120                                 poptBadOption(pc, 0), poptStrerror(opt));
 121                         exit(1);
 122                 }
 123         }
 124
 125         /* talloc_enable_leak_report_full(); */
 126
 127         /* setup the remaining options for the main program to use */
 128         extra_argv = poptGetArgs(pc);
 129         if (extra_argv) {
 130                 extra_argv++;
 131                 while (extra_argv[extra_argc]) extra_argc++;
 132         }
 133
 134         ev = s4_event_context_init(NULL);
 135
 136         ctdb = ctdb_cmdline_client(ev);
 137
 138         /* attach to a specific database */
 139         ctdb_db = ctdb_attach(ctdb, "test.tdb");
 140         if (!ctdb_db) {
 141                 printf("ctdb_attach failed - %s\n", ctdb_errstr(ctdb));
 142                 exit(1);
 143         }
 144
 145         printf("Waiting for cluster\n");
 146         while (1) {
 147                 uint32_t recmode=1;
 148                 ctdb_ctrl_getrecmode(ctdb, timeval_zero(), CTDB_CURRENT_NODE, &recmode);
 149                 if (recmode == 0) break;
 150                 event_loop_once(ev);
 151         }
 152
 153         store_records(ctdb, ev);
 154
 155         return 0;
 156 }