You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
124 lines
3.6 KiB
C++
124 lines
3.6 KiB
C++
// Copyright 2022, The Cozo Project Authors.
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
|
|
// If a copy of the MPL was not distributed with this file,
|
|
// You can obtain one at https://mozilla.org/MPL/2.0/.
|
|
|
|
#ifndef COZOROCKS_DB_H
|
|
#define COZOROCKS_DB_H
|
|
|
|
#include <utility>
|
|
|
|
#include "iostream"
|
|
#include "common.h"
|
|
#include "tx.h"
|
|
#include "slice.h"
|
|
|
|
struct SnapshotBridge {
|
|
const Snapshot *snapshot;
|
|
DB *db;
|
|
|
|
explicit SnapshotBridge(const Snapshot *snapshot_, DB *db_) : snapshot(snapshot_), db(db_) {}
|
|
|
|
~SnapshotBridge() {
|
|
db->ReleaseSnapshot(snapshot);
|
|
// printf("released snapshot\n");
|
|
}
|
|
};
|
|
|
|
struct SstFileWriterBridge {
|
|
SstFileWriter inner;
|
|
|
|
SstFileWriterBridge(EnvOptions eopts, Options opts) : inner(eopts, opts) {
|
|
}
|
|
|
|
inline void finish(RocksDbStatus &status) {
|
|
write_status(inner.Finish(), status);
|
|
}
|
|
|
|
inline void put(RustBytes key, RustBytes val, RocksDbStatus &status) {
|
|
write_status(inner.Put(convert_slice(key), convert_slice(val)), status);
|
|
}
|
|
|
|
};
|
|
|
|
static WriteOptions DEFAULT_WRITE_OPTIONS = WriteOptions();
|
|
|
|
struct RocksDbBridge {
|
|
unique_ptr<TransactionDB> db;
|
|
|
|
bool destroy_on_exit;
|
|
string db_path;
|
|
|
|
inline unique_ptr<SstFileWriterBridge> get_sst_writer(rust::Str path, RocksDbStatus &status) const {
|
|
DB *db_ = get_base_db();
|
|
auto cf = db->DefaultColumnFamily();
|
|
Options options_ = db_->GetOptions(cf);
|
|
auto sst_file_writer = std::make_unique<SstFileWriterBridge>(EnvOptions(), options_);
|
|
string path_(path);
|
|
|
|
write_status(sst_file_writer->inner.Open(path_), status);
|
|
return sst_file_writer;
|
|
}
|
|
|
|
inline void ingest_sst(rust::Str path, RocksDbStatus &status) const {
|
|
IngestExternalFileOptions ifo;
|
|
DB *db_ = get_base_db();
|
|
string path_(path);
|
|
auto cf = db->DefaultColumnFamily();
|
|
write_status(db_->IngestExternalFile(cf, {std::move(path_)}, ifo), status);
|
|
}
|
|
|
|
[[nodiscard]] inline const string &get_db_path() const {
|
|
return db_path;
|
|
}
|
|
|
|
|
|
[[nodiscard]] inline unique_ptr<TxBridge> transact() const {
|
|
auto ret = make_unique<TxBridge>(&*this->db, db->DefaultColumnFamily());
|
|
return ret;
|
|
}
|
|
|
|
inline void del_range(RustBytes start, RustBytes end, RocksDbStatus &status) const {
|
|
WriteBatch batch;
|
|
auto cf = db->DefaultColumnFamily();
|
|
auto s = batch.DeleteRange(cf, convert_slice(start), convert_slice(end));
|
|
if (!s.ok()) {
|
|
write_status(s, status);
|
|
return;
|
|
}
|
|
WriteOptions w_opts;
|
|
TransactionDBWriteOptimizations optimizations;
|
|
optimizations.skip_concurrency_control = true;
|
|
optimizations.skip_duplicate_key_check = true;
|
|
auto s2 = db->Write(w_opts, optimizations, &batch);
|
|
write_status(s2, status);
|
|
}
|
|
|
|
inline void put(RustBytes key, RustBytes val, RocksDbStatus &status) const {
|
|
auto raw_db = this->get_base_db();
|
|
auto s = raw_db->Put(DEFAULT_WRITE_OPTIONS, convert_slice(key), convert_slice(val));
|
|
write_status(s, status);
|
|
}
|
|
|
|
void compact_range(RustBytes start, RustBytes end, RocksDbStatus &status) const {
|
|
CompactRangeOptions options;
|
|
auto cf = db->DefaultColumnFamily();
|
|
auto start_s = convert_slice(start);
|
|
auto end_s = convert_slice(end);
|
|
auto s = db->CompactRange(options, cf, &start_s, &end_s);
|
|
write_status(s, status);
|
|
}
|
|
|
|
DB *get_base_db() const {
|
|
return db->GetBaseDB();
|
|
}
|
|
|
|
~RocksDbBridge();
|
|
};
|
|
|
|
shared_ptr<RocksDbBridge>
|
|
open_db(const DbOpts &opts, RocksDbStatus &status);
|
|
|
|
#endif //COZOROCKS_DB_H
|