ctdb/tests/src/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 "system/filesys.h"
  23 #include "popt.h"
  24 #include "cmdline.h"
  25
  26 #include <sys/time.h>
  27 #include <time.h>
  28
  29 static int num_records = 10;
  30 static int base_rec;
  31
  32 static void store_records(struct ctdb_context *ctdb, struct event_context *ev)
  33 {
  34         TDB_DATA key, data;
  35         struct ctdb_db_context *ctdb_db;
  36         TALLOC_CTX *tmp_ctx = talloc_new(ctdb);
  37         int ret;
  38         struct ctdb_record_handle *h;
  39         uint32_t i;
  40
  41         ctdb_db = ctdb_db_handle(ctdb, "test.tdb");
  42
  43         printf("creating %d records\n", num_records);
  44         for (i=0;i<num_records;i++) {
  45                 int r = base_rec + i;
  46                 key.dptr = (uint8_t *)&r;
  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_pnn(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                         int r = base_rec + i;
  75                         key.dptr = (uint8_t *)&r;
  76                         key.dsize = sizeof(uint32_t);
  77
  78                         h = ctdb_fetch_lock(ctdb_db, tmp_ctx, key, &data);
  79                         if (h == NULL) {
  80                                 printf("Failed to fetch record '%s' on node %d\n",
  81                                        (const char *)key.dptr, ctdb_get_pnn(ctdb));
  82                                 talloc_free(tmp_ctx);
  83                                 return;
  84                         }
  85                         talloc_free(h);
  86                 }
  87                 sleep(1);
  88                 printf(".");
  89                 fflush(stdout);
  90         }
  91
  92         talloc_free(tmp_ctx);
  93 }
  94
  95 /*
  96   main program
  97 */
  98 int main(int argc, const char *argv[])
  99 {
 100         struct ctdb_context *ctdb;
 101         struct ctdb_db_context *ctdb_db;
 102
 103         struct poptOption popt_options[] = {
 104                 POPT_AUTOHELP
 105                 POPT_CTDB_CMDLINE
 106                 { "num-records", 'r', POPT_ARG_INT, &num_records, 0, "num_records", "integer" },
 107                 { "base-rec", 'b', POPT_ARG_INT, &base_rec, 0, "base_rec", "integer" },
 108                 POPT_TABLEEND
 109         };
 110         int opt;
 111         const char **extra_argv;
 112         int extra_argc = 0;
 113         poptContext pc;
 114         struct event_context *ev;
 115
 116         pc = poptGetContext(argv[0], argc, argv, popt_options, POPT_CONTEXT_KEEP_FIRST);
 117
 118         while ((opt = poptGetNextOpt(pc)) != -1) {
 119                 switch (opt) {
 120                 default:
 121                         fprintf(stderr, "Invalid option %s: %s\n",
 122                                 poptBadOption(pc, 0), poptStrerror(opt));
 123                         exit(1);
 124                 }
 125         }
 126
 127         /* talloc_enable_leak_report_full(); */
 128
 129         /* setup the remaining options for the main program to use */
 130         extra_argv = poptGetArgs(pc);
 131         if (extra_argv) {
 132                 extra_argv++;
 133                 while (extra_argv[extra_argc]) extra_argc++;
 134         }
 135
 136         ev = event_context_init(NULL);
 137
 138         ctdb = ctdb_cmdline_client(ev, timeval_current_ofs(3, 0));
 139
 140         if (ctdb == NULL) {
 141                 printf("failed to connect to ctdb daemon.\n");
 142                 exit(1);
 143         }
 144
 145         /* attach to a specific database */
 146         ctdb_db = ctdb_attach(ctdb, timeval_current_ofs(2, 0), "test.tdb", false, 0);
 147         if (!ctdb_db) {
 148                 printf("ctdb_attach failed - %s\n", ctdb_errstr(ctdb));
 149                 exit(1);
 150         }
 151
 152         printf("Waiting for cluster\n");
 153         while (1) {
 154                 uint32_t recmode=1;
 155                 ctdb_ctrl_getrecmode(ctdb, ctdb, timeval_zero(), CTDB_CURRENT_NODE, &recmode);
 156                 if (recmode == 0) break;
 157                 event_loop_once(ev);
 158         }
 159
 160         store_records(ctdb, ev);
 161
 162         return 0;
 163 }