int main(int argc,char * argv[])
{
int i = 0, j = 0, rc;
MDB_env *env;
MDB_dbi dbi;
MDB_val key, data;
MDB_txn *txn;
MDB_stat mst;
MDB_cursor *cursor;
int count;
int *values;
char sval[32] = "";
srand(time(NULL));
count = (rand()%384) + 64;
values = (int *)malloc(count*sizeof(int));
for(i = 0;i<count;i++) {
values[i] = rand()%1024;
}
E(mdb_env_create(&env));
E(mdb_env_set_maxreaders(env, 1));
E(mdb_env_set_mapsize(env, 10485760));
E(mdb_env_set_maxdbs(env, 4));
E(mdb_env_open(env, "./testdb", MDB_FIXEDMAP|MDB_NOSYNC, 0664));
E(mdb_txn_begin(env, NULL, 0, &txn));
if (mdb_dbi_open(txn, "id1", MDB_CREATE, &dbi) == MDB_SUCCESS)
E(mdb_drop(txn, dbi, 1));
E(mdb_dbi_open(txn, "id1", MDB_CREATE, &dbi));
key.mv_size = sizeof(int);
key.mv_data = sval;
data.mv_size = sizeof(sval);
data.mv_data = sval;
printf("Adding %d values\n", count);
for (i=0;i<count;i++) {
sprintf(sval, "%03x %d foo bar", values[i], values[i]);
if (RES(MDB_KEYEXIST, mdb_put(txn, dbi, &key, &data, MDB_NOOVERWRITE)))
j++;
}
if (j) printf("%d duplicates skipped\n", j);
E(mdb_txn_commit(txn));
E(mdb_env_stat(env, &mst));
printf("check-preset-a\n");
E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
E(mdb_cursor_open(txn, dbi, &cursor));
int present_a = 0;
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
printf("key: %p %.*s, data: %p %.*s\n",
key.mv_data, (int) key.mv_size, (char *) key.mv_data,
data.mv_data, (int) data.mv_size, (char *) data.mv_data);
++present_a;
}
CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
CHECK(present_a == count - j, "mismatch");
mdb_cursor_close(cursor);
mdb_txn_abort(txn);
mdb_env_sync(env, 1);
j=0;
key.mv_data = sval;
for (i= count - 1; i > -1; i-= (rand()%5)) {
j++;
txn=NULL;
E(mdb_txn_begin(env, NULL, 0, &txn));
sprintf(sval, "%03x ", values[i]);
if (RES(MDB_NOTFOUND, mdb_del(txn, dbi, &key, NULL))) {
j--;
mdb_txn_abort(txn);
} else {
E(mdb_txn_commit(txn));
}
}
free(values);
printf("Deleted %d values\n", j);
printf("check-preset-b.cursor-next\n");
E(mdb_env_stat(env, &mst));
E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
E(mdb_cursor_open(txn, dbi, &cursor));
int present_b = 0;
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
printf("key: %.*s, data: %.*s\n",
(int) key.mv_size, (char *) key.mv_data,
(int) data.mv_size, (char *) data.mv_data);
++present_b;
}
CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
CHECK(present_b == present_a - j, "mismatch");
printf("check-preset-b.cursor-prev\n");
j = 1;
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_PREV)) == 0) {
printf("key: %.*s, data: %.*s\n",
(int) key.mv_size, (char *) key.mv_data,
(int) data.mv_size, (char *) data.mv_data);
++j;
}
CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
CHECK(present_b == j, "mismatch");
mdb_cursor_close(cursor);
mdb_txn_abort(txn);
mdb_dbi_close(env, dbi);
/********************* LY: kept DB dirty ****************/
mdb_env_close_ex(env, 1);
E(mdb_env_create(&env));
E(mdb_env_set_maxdbs(env, 4));
E(mdb_env_open(env, "./testdb", MDB_FIXEDMAP|MDB_NOSYNC, 0664));
printf("check-preset-c.cursor-next\n");
E(mdb_env_stat(env, &mst));
E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
E(mdb_dbi_open(txn, "id1", 0, &dbi));
E(mdb_cursor_open(txn, dbi, &cursor));
int present_c = 0;
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
printf("key: %.*s, data: %.*s\n",
(int) key.mv_size, (char *) key.mv_data,
(int) data.mv_size, (char *) data.mv_data);
++present_c;
}
CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
CHECK(present_c == present_a, "mismatch");
printf("check-preset-d.cursor-prev\n");
j = 1;
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_PREV)) == 0) {
printf("key: %.*s, data: %.*s\n",
(int) key.mv_size, (char *) key.mv_data,
(int) data.mv_size, (char *) data.mv_data);
++j;
}
CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
CHECK(present_c == j, "mismatch");
mdb_cursor_close(cursor);
mdb_txn_abort(txn);
mdb_dbi_close(env, dbi);
mdb_env_close_ex(env, 0);
return 0;
}
int main(int argc,char * argv[])
{
int i = 0, j = 0, rc;
MDB_env *env;
MDB_dbi dbi;
MDB_val key, data;
MDB_txn *txn;
MDB_stat mst;
MDB_cursor *cursor;
int count;
int *values;
char sval[32] = "";
int env_oflags;
struct stat db_stat, exe_stat;
srand(time(NULL));
count = (rand()%384) + 64;
values = (int *)malloc(count*sizeof(int));
for(i = 0;i<count;i++) {
values[i] = rand()%1024;
}
E(mdb_env_create(&env));
E(mdb_env_set_maxreaders(env, 1));
E(mdb_env_set_mapsize(env, 10485760));
E(mdb_env_set_maxdbs(env, 4));
E(stat("/proc/self/exe", &exe_stat)?errno:0);
E(stat(DBPATH "/.", &db_stat)?errno:0);
env_oflags = MDB_FIXEDMAP | MDB_NOSYNC;
if (major(db_stat.st_dev) != major(exe_stat.st_dev)) {
/* LY: Assume running inside a CI-environment:
* 1) don't use FIXEDMAP to avoid EBUSY in case collision,
* which could be inspired by address space randomisation feature.
* 2) drop MDB_NOSYNC expecting that DBPATH is at a tmpfs or some dedicated storage.
*/
env_oflags = 0;
}
/* LY: especially here we always needs MDB_NOSYNC
* for testing mdb_env_close_ex() and "redo-to-steady" on open. */
env_oflags |= MDB_NOSYNC;
E(mdb_env_open(env, DBPATH, env_oflags, 0664));
E(mdb_txn_begin(env, NULL, 0, &txn));
if (mdb_dbi_open(txn, "id1", MDB_CREATE, &dbi) == MDB_SUCCESS)
E(mdb_drop(txn, dbi, 1));
E(mdb_dbi_open(txn, "id1", MDB_CREATE, &dbi));
key.mv_size = sizeof(int);
key.mv_data = sval;
data.mv_size = sizeof(sval);
data.mv_data = sval;
printf("Adding %d values\n", count);
for (i=0;i<count;i++) {
sprintf(sval, "%03x %d foo bar", values[i], values[i]);
if (RES(MDB_KEYEXIST, mdb_put(txn, dbi, &key, &data, MDB_NOOVERWRITE)))
j++;
}
if (j) printf("%d duplicates skipped\n", j);
E(mdb_txn_commit(txn));
E(mdb_env_stat(env, &mst));
printf("check-preset-a\n");
E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
E(mdb_cursor_open(txn, dbi, &cursor));
int present_a = 0;
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
printf("key: %p %.*s, data: %p %.*s\n",
key.mv_data, (int) key.mv_size, (char *) key.mv_data,
data.mv_data, (int) data.mv_size, (char *) data.mv_data);
++present_a;
}
CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
CHECK(present_a == count - j, "mismatch");
mdb_cursor_close(cursor);
mdb_txn_abort(txn);
mdb_env_sync(env, 1);
j=0;
key.mv_data = sval;
for (i= count - 1; i > -1; i-= (rand()%5)) {
j++;
txn=NULL;
E(mdb_txn_begin(env, NULL, 0, &txn));
sprintf(sval, "%03x ", values[i]);
if (RES(MDB_NOTFOUND, mdb_del(txn, dbi, &key, NULL))) {
j--;
mdb_txn_abort(txn);
} else {
E(mdb_txn_commit(txn));
}
}
free(values);
printf("Deleted %d values\n", j);
printf("check-preset-b.cursor-next\n");
E(mdb_env_stat(env, &mst));
E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
E(mdb_cursor_open(txn, dbi, &cursor));
int present_b = 0;
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
printf("key: %.*s, data: %.*s\n",
(int) key.mv_size, (char *) key.mv_data,
(int) data.mv_size, (char *) data.mv_data);
++present_b;
}
CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
CHECK(present_b == present_a - j, "mismatch");
printf("check-preset-b.cursor-prev\n");
j = 1;
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_PREV)) == 0) {
printf("key: %.*s, data: %.*s\n",
(int) key.mv_size, (char *) key.mv_data,
(int) data.mv_size, (char *) data.mv_data);
++j;
}
CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
CHECK(present_b == j, "mismatch");
mdb_cursor_close(cursor);
mdb_txn_abort(txn);
mdb_dbi_close(env, dbi);
/********************* LY: kept DB dirty ****************/
mdb_env_close_ex(env, 1);
E(mdb_env_create(&env));
E(mdb_env_set_maxdbs(env, 4));
E(mdb_env_open(env, DBPATH, env_oflags, 0664));
printf("check-preset-c.cursor-next\n");
E(mdb_env_stat(env, &mst));
E(mdb_txn_begin(env, NULL, MDB_RDONLY, &txn));
E(mdb_dbi_open(txn, "id1", 0, &dbi));
E(mdb_cursor_open(txn, dbi, &cursor));
int present_c = 0;
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
printf("key: %.*s, data: %.*s\n",
(int) key.mv_size, (char *) key.mv_data,
(int) data.mv_size, (char *) data.mv_data);
++present_c;
}
CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
CHECK(present_c == present_a, "mismatch");
printf("check-preset-d.cursor-prev\n");
j = 1;
while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_PREV)) == 0) {
printf("key: %.*s, data: %.*s\n",
(int) key.mv_size, (char *) key.mv_data,
(int) data.mv_size, (char *) data.mv_data);
++j;
}
CHECK(rc == MDB_NOTFOUND, "mdb_cursor_get");
CHECK(present_c == j, "mismatch");
mdb_cursor_close(cursor);
mdb_txn_abort(txn);
mdb_dbi_close(env, dbi);
mdb_env_close_ex(env, 0);
return 0;
}
