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https://github.com/facebook/sapling.git
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a29d465ee8
Summary: With Facebook having been renamed Meta Platforms, we need to change the license headers. Reviewed By: fanzeyi Differential Revision: D33407812 fbshipit-source-id: b11bfbbf13a48873f0cea75f212cc7b07a68fb2e
73 lines
2.0 KiB
C++
73 lines
2.0 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* This software may be used and distributed according to the terms of the
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* GNU General Public License version 2.
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*/
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#include "eden/fs/rocksdb/RocksHandles.h"
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#include <folly/logging/xlog.h>
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#include "eden/fs/rocksdb/RocksException.h"
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using folly::StringPiece;
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using rocksdb::ColumnFamilyDescriptor;
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using rocksdb::ColumnFamilyHandle;
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using rocksdb::DB;
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using rocksdb::Options;
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using rocksdb::Status;
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namespace facebook {
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namespace eden {
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RocksHandles::~RocksHandles() {
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close();
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}
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void RocksHandles::close() {
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// MUST destroy the column handles first
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columns.clear();
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db.reset();
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}
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RocksHandles::RocksHandles(
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StringPiece dbPath,
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RocksDBOpenMode mode,
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const Options& options,
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const std::vector<ColumnFamilyDescriptor>& columnDescriptors) {
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auto dbPathStr = dbPath.str();
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DB* dbRaw;
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std::vector<ColumnFamilyHandle*> columnHandles;
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// This will create any newly defined column families automatically,
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// so we needn't make any special migration steps here; just define
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// a new family and start to use it.
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// If we remove column families in the future this call will fail
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// and shout at us for not opening up the database with them defined.
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// We will need to do "something smarter" if we ever decide to perform
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// that kind of a migration.
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Status status;
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if (mode == RocksDBOpenMode::ReadOnly) {
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status = DB::OpenForReadOnly(
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options, dbPathStr, columnDescriptors, &columnHandles, &dbRaw);
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} else {
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status =
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DB::Open(options, dbPathStr, columnDescriptors, &columnHandles, &dbRaw);
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}
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if (!status.ok()) {
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XLOG(ERR) << "Error opening RocksDB storage at " << dbPathStr << ": "
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<< status.ToString();
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throw RocksException::build(
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status, "error opening RocksDB storage at", dbPathStr);
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}
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db.reset(dbRaw);
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columns.reserve(columnHandles.size());
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for (auto h : columnHandles) {
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columns.emplace_back(h);
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}
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}
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} // namespace eden
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} // namespace facebook
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