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rocksdb/util/xfunc.cc

69 lines
2.0 KiB

// Copyright (c) 2014, Facebook, Inc. All rights reserved.
// This source code is licensed under the BSD-style license found in the
// LICENSE file in the root directory of this source tree. An additional grant
// of patent rights can be found in the PATENTS file in the same directory.
#include <string>
#include "db/db_impl.h"
#include "db/managed_iterator.h"
#include "rocksdb/options.h"
#include "util/xfunc.h"
#ifdef XFUNC
namespace rocksdb {
std::string XFuncPoint::xfunc_test_;
bool XFuncPoint::initialized_ = false;
bool XFuncPoint::enabled_ = false;
int XFuncPoint::skip_policy_ = 0;
void GetXFTestOptions(Options* options, int skip_policy) {
if (XFuncPoint::Check("inplace_lock_test") &&
(!(skip_policy & kSkipNoSnapshot))) {
options->inplace_update_support = true;
}
}
void xf_manage_release(ManagedIterator* iter) {
if (!(XFuncPoint::GetSkip() & kSkipNoPrefix)) {
iter->ReleaseIter(false);
}
}
void xf_manage_options(ReadOptions* read_options) {
if (!XFuncPoint::Check("managed_xftest_dropold") &&
(!XFuncPoint::Check("managed_xftest_release"))) {
return;
}
read_options->managed = true;
}
void xf_manage_new(DBImpl* db, ReadOptions* read_options,
bool is_snapshot_supported) {
if ((!XFuncPoint::Check("managed_xftest_dropold") &&
(!XFuncPoint::Check("managed_xftest_release"))) ||
(!read_options->managed)) {
return;
}
if ((!read_options->tailing) && (read_options->snapshot == nullptr) &&
(!is_snapshot_supported)) {
read_options->managed = false;
return;
}
if (db->GetOptions().prefix_extractor != nullptr) {
if (strcmp(db->GetOptions().table_factory.get()->Name(), "PlainTable")) {
if (!(XFuncPoint::GetSkip() & kSkipNoPrefix)) {
read_options->total_order_seek = true;
}
} else {
read_options->managed = false;
}
}
}
void xf_manage_create(ManagedIterator* iter) { iter->SetDropOld(false); }
} // namespace rocksdb
#endif // XFUNC