1 /* mtest5.c - memory-mapped database tester/toy */
3 * Copyright 2011-2014 Howard Chu, Symas Corp.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted only as authorized by the OpenLDAP
10 * A copy of this license is available in the file LICENSE in the
11 * top-level directory of the distribution or, alternatively, at
12 * <http://www.OpenLDAP.org/license.html>.
15 /* Tests for sorted duplicate DBs using cursor_put */
22 #define E(expr) CHECK((rc = (expr)) == MDB_SUCCESS, #expr)
23 #define RES(err, expr) ((rc = expr) == (err) || (CHECK(!rc, #expr), 0))
24 #define CHECK(test, msg) ((test) ? (void)0 : ((void)fprintf(stderr, \
25 "%s:%d: %s: %s\n", __FILE__, __LINE__, msg, mdb_strerror(rc)), abort()))
27 int main(int argc,char * argv[])
39 char kval[sizeof(int)];
43 memset(sval, 0, sizeof(sval));
45 count = (rand()%384) + 64;
46 values = (int *)malloc(count*sizeof(int));
48 for(i = 0;i<count;i++) {
49 values[i] = rand()%1024;
52 E(mdb_env_create(&env));
53 E(mdb_env_set_mapsize(env, 10485760));
54 E(mdb_env_set_maxdbs(env, 4));
55 E(mdb_env_open(env, "./testdb", MDB_FIXEDMAP|MDB_NOSYNC, 0664));
56 E(mdb_txn_begin(env, NULL, 0, &txn));
57 E(mdb_open(txn, "id2", MDB_CREATE|MDB_DUPSORT, &dbi));
58 E(mdb_cursor_open(txn, dbi, &cursor));
60 key.mv_size = sizeof(int);
62 data.mv_size = sizeof(sval);
65 printf("Adding %d values\n", count);
66 for (i=0;i<count;i++) {
68 sprintf(kval, "%03x", values[i]);
69 sprintf(sval, "%03x %d foo bar", values[i], values[i]);
70 if (RES(MDB_KEYEXIST, mdb_cursor_put(cursor, &key, &data, MDB_NODUPDATA)))
73 if (j) printf("%d duplicates skipped\n", j);
74 mdb_cursor_close(cursor);
75 E(mdb_txn_commit(txn));
76 E(mdb_env_stat(env, &mst));
78 E(mdb_txn_begin(env, NULL, 1, &txn));
79 E(mdb_cursor_open(txn, dbi, &cursor));
80 while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
81 printf("key: %p %.*s, data: %p %.*s\n",
82 key.mv_data, (int) key.mv_size, (char *) key.mv_data,
83 data.mv_data, (int) data.mv_size, (char *) data.mv_data);
85 CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
86 mdb_cursor_close(cursor);
91 for (i= count - 1; i > -1; i-= (rand()%5)) {
94 E(mdb_txn_begin(env, NULL, 0, &txn));
95 sprintf(kval, "%03x", values[i & ~0x0f]);
96 sprintf(sval, "%03x %d foo bar", values[i], values[i]);
97 key.mv_size = sizeof(int);
99 data.mv_size = sizeof(sval);
101 if (RES(MDB_NOTFOUND, mdb_del(txn, dbi, &key, &data))) {
105 E(mdb_txn_commit(txn));
109 printf("Deleted %d values\n", j);
111 E(mdb_env_stat(env, &mst));
112 E(mdb_txn_begin(env, NULL, 1, &txn));
113 E(mdb_cursor_open(txn, dbi, &cursor));
114 printf("Cursor next\n");
115 while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
116 printf("key: %.*s, data: %.*s\n",
117 (int) key.mv_size, (char *) key.mv_data,
118 (int) data.mv_size, (char *) data.mv_data);
120 CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
121 printf("Cursor prev\n");
122 while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_PREV)) == 0) {
123 printf("key: %.*s, data: %.*s\n",
124 (int) key.mv_size, (char *) key.mv_data,
125 (int) data.mv_size, (char *) data.mv_data);
127 CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
128 mdb_cursor_close(cursor);