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16cc345d4f
This renames everything from tdb2 to ntdb: importantly, we no longer use the tdb_ namespace, so you can link against both ntdb and tdb if you want to. This also enables building of standalone ntdb by the autobuild script. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
115 lines
2.9 KiB
C
115 lines
2.9 KiB
C
#include "ntdb.h"
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#include <stdlib.h>
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#include <string.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <ccan/err/err.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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static void logfn(struct ntdb_context *ntdb,
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enum ntdb_log_level level,
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enum NTDB_ERROR ecode,
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const char *message,
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void *data)
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{
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fprintf(stderr, "ntdb:%s:%s:%s\n",
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ntdb_name(ntdb), ntdb_errorstr(ecode), message);
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}
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int main(int argc, char *argv[])
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{
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unsigned int i, j, users, groups;
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NTDB_DATA idxkey, idxdata;
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NTDB_DATA k, d, gk;
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char cmd[100];
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struct ntdb_context *ntdb;
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enum NTDB_ERROR ecode;
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union ntdb_attribute log;
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if (argc != 3) {
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printf("Usage: growtdb-bench <users> <groups>\n");
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exit(1);
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}
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users = atoi(argv[1]);
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groups = atoi(argv[2]);
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sprintf(cmd, "cat /proc/%i/statm", getpid());
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log.base.attr = NTDB_ATTRIBUTE_LOG;
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log.base.next = NULL;
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log.log.fn = logfn;
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ntdb = ntdb_open("/tmp/growtdb.ntdb", NTDB_DEFAULT,
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O_RDWR|O_CREAT|O_TRUNC, 0600, &log);
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idxkey.dptr = (unsigned char *)"User index";
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idxkey.dsize = strlen("User index");
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idxdata.dsize = 51;
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idxdata.dptr = calloc(idxdata.dsize, 1);
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/* Create users. */
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k.dsize = 48;
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k.dptr = calloc(k.dsize, 1);
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d.dsize = 64;
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d.dptr = calloc(d.dsize, 1);
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ntdb_transaction_start(ntdb);
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for (i = 0; i < users; i++) {
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memcpy(k.dptr, &i, sizeof(i));
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ecode = ntdb_store(ntdb, k, d, NTDB_INSERT);
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if (ecode != NTDB_SUCCESS)
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errx(1, "ntdb insert failed: %s", ntdb_errorstr(ecode));
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/* This simulates a growing index record. */
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ecode = ntdb_append(ntdb, idxkey, idxdata);
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if (ecode != NTDB_SUCCESS)
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errx(1, "ntdb append failed: %s", ntdb_errorstr(ecode));
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}
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if ((ecode = ntdb_transaction_commit(ntdb)) != 0)
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errx(1, "ntdb commit1 failed: %s", ntdb_errorstr(ecode));
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if ((ecode = ntdb_check(ntdb, NULL, NULL)) != 0)
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errx(1, "ntdb_check failed after initial insert!");
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system(cmd);
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/* Now put them all in groups: add 32 bytes to each record for
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* a group. */
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gk.dsize = 48;
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gk.dptr = calloc(k.dsize, 1);
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gk.dptr[gk.dsize-1] = 1;
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d.dsize = 32;
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for (i = 0; i < groups; i++) {
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ntdb_transaction_start(ntdb);
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/* Create the "group". */
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memcpy(gk.dptr, &i, sizeof(i));
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ecode = ntdb_store(ntdb, gk, d, NTDB_INSERT);
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if (ecode != NTDB_SUCCESS)
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errx(1, "ntdb insert failed: %s", ntdb_errorstr(ecode));
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/* Now populate it. */
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for (j = 0; j < users; j++) {
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/* Append to the user. */
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memcpy(k.dptr, &j, sizeof(j));
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if ((ecode = ntdb_append(ntdb, k, d)) != 0)
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errx(1, "ntdb append failed: %s",
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ntdb_errorstr(ecode));
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/* Append to the group. */
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if ((ecode = ntdb_append(ntdb, gk, d)) != 0)
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errx(1, "ntdb append failed: %s",
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ntdb_errorstr(ecode));
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}
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if ((ecode = ntdb_transaction_commit(ntdb)) != 0)
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errx(1, "ntdb commit2 failed: %s", ntdb_errorstr(ecode));
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if ((ecode = ntdb_check(ntdb, NULL, NULL)) != 0)
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errx(1, "ntdb_check failed after iteration %i!", i);
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system(cmd);
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}
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return 0;
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}
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