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#include "private.h" // for ntdb_fcntl_unlock
#include "ntdb.h"
#include "tap-interface.h"
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>
#include "logging.h"
static int mylock(int fd, int rw, off_t off, off_t len, bool waitflag,
void *_err)
{
int *lock_err = _err;
struct flock fl;
int ret;
if (*lock_err) {
errno = *lock_err;
return -1;
}
do {
fl.l_type = rw;
fl.l_whence = SEEK_SET;
fl.l_start = off;
fl.l_len = len;
if (waitflag)
ret = fcntl(fd, F_SETLKW, &fl);
else
ret = fcntl(fd, F_SETLK, &fl);
} while (ret != 0 && errno == EINTR);
return ret;
}
static int trav_err;
static int trav(struct ntdb_context *ntdb, NTDB_DATA k, NTDB_DATA d, int *terr)
{
*terr = trav_err;
return 0;
}
int main(int argc, char *argv[])
{
unsigned int i;
struct ntdb_context *ntdb;
int flags[] = { NTDB_DEFAULT, NTDB_NOMMAP,
NTDB_CONVERT, NTDB_NOMMAP|NTDB_CONVERT };
union ntdb_attribute lock_attr;
NTDB_DATA key = ntdb_mkdata("key", 3);
NTDB_DATA data = ntdb_mkdata("data", 4);
int lock_err;
lock_attr.base.attr = NTDB_ATTRIBUTE_FLOCK;
lock_attr.base.next = &tap_log_attr;
lock_attr.flock.lock = mylock;
lock_attr.flock.unlock = ntdb_fcntl_unlock;
lock_attr.flock.data = &lock_err;
plan_tests(sizeof(flags) / sizeof(flags[0]) * 81);
for (i = 0; i < sizeof(flags) / sizeof(flags[0]); i++) {
NTDB_DATA d;
/* Nonblocking open; expect no error message. */
lock_err = EAGAIN;
ntdb = ntdb_open("run-82-lockattr.ntdb", flags[i]|MAYBE_NOSYNC,
O_RDWR|O_CREAT|O_TRUNC, 0600, &lock_attr);
ok(errno == lock_err, "Errno is %u", errno);
ok1(!ntdb);
ok1(tap_log_messages == 0);
lock_err = EINTR;
ntdb = ntdb_open("run-82-lockattr.ntdb", flags[i]|MAYBE_NOSYNC,
O_RDWR|O_CREAT|O_TRUNC, 0600, &lock_attr);
ok(errno == lock_err, "Errno is %u", errno);
ok1(!ntdb);
ok1(tap_log_messages == 0);
/* Forced fail open. */
lock_err = ENOMEM;
ntdb = ntdb_open("run-82-lockattr.ntdb", flags[i]|MAYBE_NOSYNC,
O_RDWR|O_CREAT|O_TRUNC, 0600, &lock_attr);
ok1(errno == lock_err);
ok1(!ntdb);
ok1(tap_log_messages == 1);
tap_log_messages = 0;
lock_err = 0;
ntdb = ntdb_open("run-82-lockattr.ntdb", flags[i]|MAYBE_NOSYNC,
O_RDWR|O_CREAT|O_TRUNC, 0600, &lock_attr);
if (!ok1(ntdb))
continue;
ok1(tap_log_messages == 0);
/* Nonblocking store. */
lock_err = EAGAIN;
ok1(ntdb_store(ntdb, key, data, NTDB_REPLACE) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
lock_err = EINTR;
ok1(ntdb_store(ntdb, key, data, NTDB_REPLACE) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
lock_err = ENOMEM;
ok1(ntdb_store(ntdb, key, data, NTDB_REPLACE) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 1);
tap_log_messages = 0;
/* Nonblocking fetch. */
lock_err = EAGAIN;
ok1(!ntdb_exists(ntdb, key));
ok1(tap_log_messages == 0);
lock_err = EINTR;
ok1(!ntdb_exists(ntdb, key));
ok1(tap_log_messages == 0);
lock_err = ENOMEM;
ok1(!ntdb_exists(ntdb, key));
ok1(tap_log_messages == 1);
tap_log_messages = 0;
lock_err = EAGAIN;
ok1(ntdb_fetch(ntdb, key, &d) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
lock_err = EINTR;
ok1(ntdb_fetch(ntdb, key, &d) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
lock_err = ENOMEM;
ok1(ntdb_fetch(ntdb, key, &d) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 1);
tap_log_messages = 0;
/* Nonblocking delete. */
lock_err = EAGAIN;
ok1(ntdb_delete(ntdb, key) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
lock_err = EINTR;
ok1(ntdb_delete(ntdb, key) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
lock_err = ENOMEM;
ok1(ntdb_delete(ntdb, key) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 1);
tap_log_messages = 0;
/* Nonblocking locks. */
lock_err = EAGAIN;
ok1(ntdb_chainlock(ntdb, key) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
lock_err = EINTR;
ok1(ntdb_chainlock(ntdb, key) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
lock_err = ENOMEM;
ok1(ntdb_chainlock(ntdb, key) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 1);
tap_log_messages = 0;
lock_err = EAGAIN;
ok1(ntdb_chainlock_read(ntdb, key) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
lock_err = EINTR;
ok1(ntdb_chainlock_read(ntdb, key) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
lock_err = ENOMEM;
ok1(ntdb_chainlock_read(ntdb, key) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 1);
tap_log_messages = 0;
lock_err = EAGAIN;
ok1(ntdb_lockall(ntdb) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
lock_err = EINTR;
ok1(ntdb_lockall(ntdb) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
lock_err = ENOMEM;
ok1(ntdb_lockall(ntdb) == NTDB_ERR_LOCK);
/* This actually does divide and conquer. */
ok1(tap_log_messages > 0);
tap_log_messages = 0;
lock_err = EAGAIN;
ok1(ntdb_lockall_read(ntdb) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
lock_err = EINTR;
ok1(ntdb_lockall_read(ntdb) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
lock_err = ENOMEM;
ok1(ntdb_lockall_read(ntdb) == NTDB_ERR_LOCK);
ok1(tap_log_messages > 0);
tap_log_messages = 0;
/* Nonblocking traverse; go nonblock partway through. */
lock_err = 0;
ok1(ntdb_store(ntdb, key, data, NTDB_REPLACE) == 0);
/* Need two entries to ensure two lock attempts! */
ok1(ntdb_store(ntdb, ntdb_mkdata("key2", 4), data,
NTDB_REPLACE) == 0);
trav_err = EAGAIN;
ok1(ntdb_traverse(ntdb, trav, &lock_err) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
trav_err = EINTR;
lock_err = 0;
ok1(ntdb_traverse(ntdb, trav, &lock_err) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
trav_err = ENOMEM;
lock_err = 0;
ok1(ntdb_traverse(ntdb, trav, &lock_err) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 1);
tap_log_messages = 0;
/* Nonblocking transactions. */
lock_err = EAGAIN;
ok1(ntdb_transaction_start(ntdb) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
lock_err = EINTR;
ok1(ntdb_transaction_start(ntdb) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
lock_err = ENOMEM;
ok1(ntdb_transaction_start(ntdb) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 1);
tap_log_messages = 0;
/* Nonblocking transaction prepare. */
lock_err = 0;
ok1(ntdb_transaction_start(ntdb) == 0);
ok1(ntdb_delete(ntdb, key) == 0);
lock_err = EAGAIN;
ok1(ntdb_transaction_prepare_commit(ntdb) == NTDB_ERR_LOCK);
ok1(tap_log_messages == 0);
lock_err = 0;
ok1(ntdb_transaction_prepare_commit(ntdb) == 0);
ok1(ntdb_transaction_commit(ntdb) == 0);
/* And the transaction was committed, right? */
ok1(!ntdb_exists(ntdb, key));
ntdb_close(ntdb);
ok1(tap_log_messages == 0);
}
return exit_status();
}
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