352 lines
7.4 KiB
C
352 lines
7.4 KiB
C
#include "genericBerkeleyDBCode.h"
|
|
DB_ENV *dbenv;
|
|
DB *db_cats;
|
|
|
|
int commitCount = 0;
|
|
int putCount = 0;
|
|
void
|
|
env_dir_create()
|
|
{
|
|
struct stat sb;
|
|
|
|
/*
|
|
* If the directory exists, we're done. We do not further check
|
|
* the type of the file, DB will fail appropriately if it's the
|
|
* wrong type.
|
|
*/
|
|
if (stat(ENV_DIRECTORY, &sb) == 0) {
|
|
printf("Error! Directory already exists!\n");
|
|
fflush(stdout);
|
|
abort(); // This is a benchmark!!!
|
|
return;
|
|
}
|
|
|
|
/* Create the directory, read/write/access owner only. */
|
|
if (mkdir(ENV_DIRECTORY, S_IRWXU) != 0) {
|
|
fprintf(stderr,
|
|
"txnapp: mkdir: %s: %s\n", ENV_DIRECTORY, strerror(errno));
|
|
exit (1);
|
|
}
|
|
}
|
|
|
|
void
|
|
env_open(DB_ENV **dbenvp)
|
|
{
|
|
DB_ENV *dbenv;
|
|
int ret;
|
|
|
|
/* Create the environment handle. */
|
|
if ((ret = db_env_create(&dbenv, 0)) != 0) {
|
|
fprintf(stderr,
|
|
"txnapp: db_env_create: %s\n", db_strerror(ret));
|
|
exit (1);
|
|
}
|
|
|
|
/* Set up error handling. */
|
|
dbenv->set_errpfx(dbenv, "txnapp");
|
|
dbenv->set_errfile(dbenv, stderr);
|
|
|
|
/* Do deadlock detection internally. */
|
|
/* if ((ret = dbenv->set_lk_detect(dbenv, DB_LOCK_DEFAULT)) != 0) {
|
|
dbenv->err(dbenv, ret, "set_lk_detect: DB_LOCK_DEFAULT");
|
|
exit (1);
|
|
}*/
|
|
|
|
dbenv->set_tx_max(dbenv, 32000);
|
|
int max;
|
|
dbenv->get_tx_max(dbenv, &max);
|
|
printf("Max xact count: %d\n", max);
|
|
|
|
|
|
/*
|
|
* Open a transactional environment:
|
|
* create if it doesn't exist
|
|
* free-threaded handle
|
|
* run recovery
|
|
* read/write owner only
|
|
*/
|
|
if ((ret = dbenv->open(dbenv, ENV_DIRECTORY,
|
|
DB_CREATE |/* DB_INIT_LOCK |*/ DB_INIT_LOG | /*| DB_PRIVATE*/
|
|
DB_INIT_MPOOL | DB_INIT_TXN | DB_RECOVER | DB_THREAD,
|
|
S_IRUSR | S_IWUSR)) != 0) {
|
|
dbenv->err(dbenv, ret, "dbenv->open: %s", ENV_DIRECTORY);
|
|
exit (1);
|
|
}
|
|
|
|
*dbenvp = dbenv;
|
|
}
|
|
|
|
void *
|
|
checkpoint_thread(void *arg)
|
|
{
|
|
DB_ENV *dbenv;
|
|
int ret;
|
|
|
|
dbenv = arg;
|
|
dbenv->errx(dbenv, "Checkpoint thread: %lu", (u_long)pthread_self());
|
|
|
|
/* Checkpoint once a minute. */
|
|
for (;; sleep(60))
|
|
if ((ret = dbenv->txn_checkpoint(dbenv, 0, 0, 0)) != 0) {
|
|
dbenv->err(dbenv, ret, "checkpoint thread");
|
|
exit (1);
|
|
}
|
|
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
void *
|
|
logfile_thread(void *arg)
|
|
{
|
|
DB_ENV *dbenv;
|
|
int ret;
|
|
char **begin, **list;
|
|
|
|
dbenv = arg;
|
|
dbenv->errx(dbenv,
|
|
"Log file removal thread: %lu", (u_long)pthread_self());
|
|
|
|
/* Check once every 5 minutes. */
|
|
for (;; sleep(300)) {
|
|
/* Get the list of log files. */
|
|
if ((ret =
|
|
dbenv->log_archive(dbenv, &list, DB_ARCH_ABS)) != 0) {
|
|
dbenv->err(dbenv, ret, "DB_ENV->log_archive");
|
|
exit (1);
|
|
}
|
|
|
|
/* Remove the log files. */
|
|
if (list != NULL) {
|
|
for (begin = list; *list != NULL; ++list)
|
|
if ((ret = remove(*list)) != 0) {
|
|
dbenv->err(dbenv,
|
|
ret, "remove %s", *list);
|
|
exit (1);
|
|
}
|
|
free (begin);
|
|
}
|
|
}
|
|
/* NOTREACHED */
|
|
}
|
|
|
|
void
|
|
log_archlist(DB_ENV *dbenv)
|
|
{
|
|
int ret;
|
|
char **begin, **list;
|
|
|
|
/* Get the list of database files. */
|
|
if ((ret = dbenv->log_archive(dbenv,
|
|
&list, DB_ARCH_ABS | DB_ARCH_DATA)) != 0) {
|
|
dbenv->err(dbenv, ret, "DB_ENV->log_archive: DB_ARCH_DATA");
|
|
exit (1);
|
|
}
|
|
if (list != NULL) {
|
|
for (begin = list; *list != NULL; ++list)
|
|
printf("database file: %s\n", *list);
|
|
free (begin);
|
|
}
|
|
|
|
/* Get the list of log files. */
|
|
if ((ret = dbenv->log_archive(dbenv,
|
|
&list, DB_ARCH_ABS | DB_ARCH_LOG)) != 0) {
|
|
dbenv->err(dbenv, ret, "DB_ENV->log_archive: DB_ARCH_LOG");
|
|
exit (1);
|
|
}
|
|
if (list != NULL) {
|
|
for (begin = list; *list != NULL; ++list)
|
|
printf("log file: %s\n", *list);
|
|
free (begin);
|
|
}
|
|
}
|
|
DB *db;
|
|
|
|
void
|
|
db_open(DB_ENV *dbenv, DB **dbp, char *name, int type)
|
|
{
|
|
int ret;
|
|
|
|
/* Create the database handle. */
|
|
if ((ret = db_create(&db, dbenv, 0)) != 0) {
|
|
dbenv->err(dbenv, ret, "db_create");
|
|
exit (1);
|
|
}
|
|
|
|
/* Optionally, turn on duplicate data items. */
|
|
/* if (dups && (ret = db->set_flags(db, DB_DUP)) != 0) {
|
|
dbenv->err(dbenv, ret, "db->set_flags: DB_DUP");
|
|
exit (1);
|
|
} */
|
|
|
|
/*
|
|
* Open a database in the environment:
|
|
* create if it doesn't exist
|
|
* free-threaded handle
|
|
* read/write owner only
|
|
*/
|
|
if ((ret = db->open(db, NULL, name, NULL, type, /*DB_DIRECT_LOG | DB_DIRECT_DB | */
|
|
DB_AUTO_COMMIT | DB_DIRTY_READ | DB_TXN_SYNC | DB_CREATE | DB_THREAD, S_IRUSR | S_IWUSR)) != 0) {
|
|
(void)db->close(db, 0);
|
|
dbenv->err(dbenv, ret, "db->open: %s", name);
|
|
exit (1);
|
|
}
|
|
|
|
*dbp = db;
|
|
}
|
|
|
|
void
|
|
run_xact(DB_ENV *dbenv, DB *db, int offset, int count)
|
|
{
|
|
// va_list ap;
|
|
DBC *dbc;
|
|
DBT key, data;
|
|
DB_TXN *tid;
|
|
int ret;
|
|
char *s;
|
|
|
|
/* Initialization. */
|
|
memset(&key, 0, sizeof(key));
|
|
memset(&data, 0, sizeof(data));
|
|
int keyPtr;
|
|
int valPtr;
|
|
key.data = &keyPtr;
|
|
key.size = sizeof(int);/*strlen(name);*/
|
|
data.data = &valPtr;
|
|
data.size = sizeof(int);
|
|
|
|
retry: /* Begin the transaction. */
|
|
if ((ret = dbenv->txn_begin(dbenv, NULL, &tid, 0)) != 0) {
|
|
dbenv->err(dbenv, ret, "DB_ENV->txn_begin");
|
|
exit (1);
|
|
}
|
|
|
|
/* Delete any previously existing item. */
|
|
/* switch (ret = db->del(db, tid, &key, 0)) {
|
|
case 0:
|
|
case DB_NOTFOUND:
|
|
break;
|
|
case DB_LOCK_DEADLOCK:
|
|
abort();
|
|
/ * Deadlock: retry the operation. * /
|
|
if ((ret = tid->abort(tid)) != 0) {
|
|
dbenv->err(dbenv, ret, "DB_TXN->abort");
|
|
exit (1);
|
|
}
|
|
goto retry;
|
|
default:
|
|
// dbenv->err(dbenv, ret, "db->del: %s", name);
|
|
abort();
|
|
exit (1);
|
|
} */
|
|
|
|
|
|
/* Create a cursor. */
|
|
/* if ((ret = db->cursor(db, tid, &dbc, 0)) != 0) {
|
|
dbenv->err(dbenv, ret, "db->cursor");
|
|
exit (1);
|
|
} */
|
|
|
|
int q;
|
|
/* Count is one for this test */
|
|
// assert(count == 1);
|
|
|
|
for(q = offset; q < offset + count; q++) {
|
|
keyPtr = q+1;
|
|
valPtr = q;
|
|
/* switch (ret = db->del(db, tid, &key, 0)) {
|
|
case 0:
|
|
case DB_NOTFOUND:
|
|
break;
|
|
case DB_LOCK_DEADLOCK:
|
|
abort();
|
|
// Deadlock: retry the operation.
|
|
if ((ret = tid->abort(tid)) != 0) {
|
|
dbenv->err(dbenv, ret, "DB_TXN->abort");
|
|
exit (1);
|
|
}
|
|
goto retry;
|
|
default:
|
|
// dbenv->err(dbenv, ret, "db->del: %s", name);
|
|
abort();
|
|
exit (1);
|
|
} */
|
|
|
|
// pthread_mutex_lock(&hack);
|
|
switch (ret = db->put(db, tid, &key, &data, 0)) {
|
|
case 0:
|
|
break;
|
|
case DB_LOCK_DEADLOCK:
|
|
// va_end(ap);
|
|
abort(); // Locking should be disabled!
|
|
/* Deadlock: retry the operation. */
|
|
if ((ret = dbc->c_close(dbc)) != 0) {
|
|
dbenv->err(
|
|
dbenv, ret, "dbc->c_close");
|
|
exit (1);
|
|
}
|
|
if ((ret = tid->abort(tid)) != 0) {
|
|
dbenv->err(dbenv, ret, "DB_TXN->abort");
|
|
exit (1);
|
|
}
|
|
goto retry;
|
|
default:
|
|
/* Error: run recovery. */
|
|
dbenv->err(dbenv, ret, "dbc->put: %d/%d", q, q);
|
|
abort(); // Error invalidates benchmark!
|
|
exit (1);
|
|
}
|
|
// pthread_mutex_unlock(&hack);
|
|
putCount++;
|
|
}
|
|
|
|
|
|
if ((ret = tid->commit(tid, 0)) != 0) {
|
|
dbenv->err(dbenv, ret, "DB_TXN->commit");
|
|
exit (1);
|
|
}
|
|
commitCount++;
|
|
#ifdef DEBUG_BDB
|
|
printf("Called commit\n");
|
|
#endif
|
|
}
|
|
|
|
void
|
|
usage()
|
|
{
|
|
(void)fprintf(stderr, "usage: txnapp\n");
|
|
exit(1);
|
|
}
|
|
|
|
void
|
|
initDB(/*DB_ENV ** dbenv, */pthread_attr_t * attr, int type)
|
|
{
|
|
|
|
pthread_t ptid;
|
|
|
|
env_dir_create();
|
|
env_open(&dbenv);
|
|
int ret;
|
|
/*
|
|
///Start a checkpoint thread.
|
|
if ((ret = pthread_create(
|
|
&ptid, attr, checkpoint_thread, (void *)dbenv)) != 0) {
|
|
fprintf(stderr,
|
|
"txnapp: failed spawning checkpoint thread: %s\n",
|
|
strerror(ret));
|
|
exit (1);
|
|
}
|
|
|
|
/// Start a logfile removal thread.
|
|
if ((ret = pthread_create(
|
|
&ptid, attr, logfile_thread, (void *)dbenv)) != 0) {
|
|
fprintf(stderr,
|
|
"txnapp: failed spawning log file removal thread: %s\n",
|
|
strerror(ret));
|
|
exit (1);
|
|
}
|
|
*/
|
|
db_open(dbenv, &db_cats, "cats", type);
|
|
|
|
|
|
|
|
}
|