fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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49 lines
1.7 KiB
49 lines
1.7 KiB
// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under both the GPLv2 (found in the
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// COPYING file in the root directory) and Apache 2.0 License
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// (found in the LICENSE.Apache file in the root directory).
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//
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#pragma once
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#include <string>
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#include "file/filename.h"
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#include "options/db_options.h"
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#include "rocksdb/env.h"
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#include "rocksdb/file_system.h"
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#include "rocksdb/status.h"
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#include "rocksdb/types.h"
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namespace ROCKSDB_NAMESPACE {
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// use_fsync maps to options.use_fsync, which determines the way that
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// the file is synced after copying.
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extern IOStatus CopyFile(FileSystem* fs, const std::string& source,
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const std::string& destination, uint64_t size,
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bool use_fsync);
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extern IOStatus CreateFile(FileSystem* fs, const std::string& destination,
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const std::string& contents, bool use_fsync);
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extern Status DeleteDBFile(const ImmutableDBOptions* db_options,
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const std::string& fname,
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const std::string& path_to_sync, const bool force_bg,
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const bool force_fg);
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extern bool IsWalDirSameAsDBPath(const ImmutableDBOptions* db_options);
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inline IOStatus PrepareIOFromReadOptions(const ReadOptions& ro, Env* env,
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IOOptions& opts) {
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if (!env) {
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env = Env::Default();
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}
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if (ro.deadline.count()) {
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std::chrono::microseconds now = std::chrono::microseconds(env->NowMicros());
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if (now > ro.deadline) {
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return IOStatus::TimedOut("Deadline exceeded");
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}
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opts.timeout = ro.deadline - now;
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}
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return IOStatus::OK();
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}
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} // namespace ROCKSDB_NAMESPACE
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