Lock*
IxManager_make_merge_lock(IndexManager *self)
{
ZombieCharBuf *merge_lock_name = ZCB_WRAP_STR("merge", 5);
LockFactory *lock_factory = S_obtain_lock_factory(self);
return LockFact_Make_Lock(lock_factory, (CharBuf*)merge_lock_name,
self->merge_lock_timeout, self->merge_lock_interval);
}
Lock*
IxManager_make_deletion_lock(IndexManager *self)
{
ZombieCharBuf *lock_name = ZCB_WRAP_STR("deletion", 8);
LockFactory *lock_factory = S_obtain_lock_factory(self);
return LockFact_Make_Lock(lock_factory, (CharBuf*)lock_name,
self->deletion_lock_timeout, self->deletion_lock_interval);
}
Lock*
IxManager_Make_Merge_Lock_IMP(IndexManager *self) {
IndexManagerIVARS *const ivars = IxManager_IVARS(self);
String *merge_lock_name = SSTR_WRAP_C("merge");
LockFactory *lock_factory = S_obtain_lock_factory(self);
return LockFact_Make_Lock(lock_factory, merge_lock_name,
ivars->merge_lock_timeout,
ivars->merge_lock_interval);
}
Lock*
IxManager_Make_Deletion_Lock_IMP(IndexManager *self) {
IndexManagerIVARS *const ivars = IxManager_IVARS(self);
String *lock_name = SSTR_WRAP_C("deletion");
LockFactory *lock_factory = S_obtain_lock_factory(self);
return LockFact_Make_Lock(lock_factory, lock_name,
(int32_t)ivars->deletion_lock_timeout,
(int32_t)ivars->deletion_lock_interval);
}
Lock*
IxManager_make_snapshot_read_lock(IndexManager *self, const CharBuf *filename)
{
ZombieCharBuf *lock_name = ZCB_WRAP(filename);
LockFactory *lock_factory = S_obtain_lock_factory(self);
if ( !CB_Starts_With_Str(filename, "snapshot_", 9)
|| !CB_Ends_With_Str(filename, ".json", 5)
) {
THROW(ERR, "Not a snapshot filename: %o", filename);
}
// Truncate ".json" from end of snapshot file name.
ZCB_Chop(lock_name, sizeof(".json") - 1);
return LockFact_Make_Shared_Lock(lock_factory, (CharBuf*)lock_name, 1000, 100);
}
Lock*
IxManager_Make_Snapshot_Read_Lock_IMP(IndexManager *self,
String *filename) {
LockFactory *lock_factory = S_obtain_lock_factory(self);
if (!Str_Starts_With_Utf8(filename, "snapshot_", 9)
|| !Str_Ends_With_Utf8(filename, ".json", 5)
) {
THROW(ERR, "Not a snapshot filename: %o", filename);
}
// Truncate ".json" from end of snapshot file name.
size_t lock_name_len = Str_Length(filename) - (sizeof(".json") - 1);
String *lock_name = Str_SubString(filename, 0, lock_name_len);
Lock *lock = LockFact_Make_Shared_Lock(lock_factory, lock_name, 1000, 100);
DECREF(lock_name);
return lock;
}