14 /* a test program for tdb - the trivial database */
21 static TDB_CONTEXT *db;
22 static GDBM_FILE gdbm;
24 struct timeval tp1,tp2;
26 static void start_timer(void)
28 gettimeofday(&tp1,NULL);
31 static double end_timer(void)
33 gettimeofday(&tp2,NULL);
34 return((tp2.tv_sec - tp1.tv_sec) +
35 (tp2.tv_usec - tp1.tv_usec)*1.0e-6);
38 static void fatal(char *why)
44 static void tdb_log(TDB_CONTEXT *tdb, int level, const char *format, ...)
49 vfprintf(stdout, format, ap);
54 static void compare_db(void)
56 TDB_DATA d, key, nextkey;
57 datum gd, gkey, gnextkey;
59 key = tdb_firstkey(db);
61 d = tdb_fetch(db, key);
63 gkey.dsize = key.dsize;
65 gd = gdbm_fetch(gdbm, gkey);
67 if (!gd.dptr) fatal("key not in gdbm");
68 if (gd.dsize != d.dsize) fatal("data sizes differ");
69 if (memcmp(gd.dptr, d.dptr, d.dsize)) {
70 fatal("data differs");
73 nextkey = tdb_nextkey(db, key);
80 gkey = gdbm_firstkey(gdbm);
82 gd = gdbm_fetch(gdbm, gkey);
84 key.dsize = gkey.dsize;
86 d = tdb_fetch(db, key);
88 if (!d.dptr) fatal("key not in db");
89 if (d.dsize != gd.dsize) fatal("data sizes differ");
90 if (memcmp(d.dptr, gd.dptr, gd.dsize)) {
91 fatal("data differs");
94 gnextkey = gdbm_nextkey(gdbm, gkey);
102 static char *randbuf(int len)
106 buf = (char *)malloc(len+1);
108 for (i=0;i<len;i++) {
109 buf[i] = 'a' + (rand() % 26);
115 static void addrec_db(void)
121 klen = 1 + (rand() % 4);
122 dlen = 1 + (rand() % 100);
133 if (rand() % DELETE_PROB == 0) {
135 } else if (rand() % STORE_PROB == 0) {
136 if (tdb_store(db, key, data, TDB_REPLACE) != 0) {
137 fatal("tdb_store failed");
140 data = tdb_fetch(db, key);
141 if (data.dptr) free(data.dptr);
148 static void addrec_gdbm(void)
154 klen = 1 + (rand() % 4);
155 dlen = 1 + (rand() % 100);
166 if (rand() % DELETE_PROB == 0) {
167 gdbm_delete(gdbm, key);
168 } else if (rand() % STORE_PROB == 0) {
169 if (gdbm_store(gdbm, key, data, GDBM_REPLACE) != 0) {
170 fatal("gdbm_store failed");
173 data = gdbm_fetch(gdbm, key);
174 if (data.dptr) free(data.dptr);
181 static int traverse_fn(TDB_CONTEXT *tdb, TDB_DATA key, TDB_DATA dbuf, void *state)
184 printf("[%s] [%s]\n", key.dptr, dbuf.dptr);
186 tdb_delete(tdb, key);
190 static void merge_test(void)
196 for (i = 0; i < 5; i++) {
197 sprintf(keys[i], "%d", i);
204 if (tdb_store(db, key, data, TDB_REPLACE) != 0) {
205 fatal("tdb_store failed");
221 int main(int argc, char *argv[])
228 db = tdb_open("test.tdb", 0, TDB_CLEAR_IF_FIRST,
229 O_RDWR | O_CREAT | O_TRUNC, 0600);
230 gdbm = gdbm_open("test.gdbm", 512, GDBM_WRITER|GDBM_NEWDB|GDBM_FAST,
234 fatal("db open failed");
237 tdb_logging_function(db, tdb_log);
242 for (i=0;i<loops;i++) addrec_gdbm();
243 printf("gdbm got %.2f ops/sec\n", i/end_timer());
250 for (i=0;i<loops;i++) addrec_db();
251 printf("tdb got %.2f ops/sec\n", i/end_timer());
255 printf("traversed %d records\n", tdb_traverse(db, traverse_fn, NULL));
256 printf("traversed %d records\n", tdb_traverse(db, traverse_fn, NULL));