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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-21 11:54:28 +0000 |
commit | e6918187568dbd01842d8d1d2c808ce16a894239 (patch) | |
tree | 64f88b554b444a49f656b6c656111a145cbbaa28 /src/rocksdb/utilities/cassandra/cassandra_compaction_filter.cc | |
parent | Initial commit. (diff) | |
download | ceph-e6918187568dbd01842d8d1d2c808ce16a894239.tar.xz ceph-e6918187568dbd01842d8d1d2c808ce16a894239.zip |
Adding upstream version 18.2.2.upstream/18.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/rocksdb/utilities/cassandra/cassandra_compaction_filter.cc')
-rw-r--r-- | src/rocksdb/utilities/cassandra/cassandra_compaction_filter.cc | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/src/rocksdb/utilities/cassandra/cassandra_compaction_filter.cc b/src/rocksdb/utilities/cassandra/cassandra_compaction_filter.cc new file mode 100644 index 000000000..4e48d63aa --- /dev/null +++ b/src/rocksdb/utilities/cassandra/cassandra_compaction_filter.cc @@ -0,0 +1,110 @@ +// Copyright (c) 2011-present, Facebook, Inc. All rights reserved. +// This source code is licensed under both the GPLv2 (found in the +// COPYING file in the root directory) and Apache 2.0 License +// (found in the LICENSE.Apache file in the root directory). + +#include "utilities/cassandra/cassandra_compaction_filter.h" + +#include <string> + +#include "rocksdb/slice.h" +#include "rocksdb/utilities/object_registry.h" +#include "rocksdb/utilities/options_type.h" +#include "utilities/cassandra/format.h" +#include "utilities/cassandra/merge_operator.h" + +namespace ROCKSDB_NAMESPACE { +namespace cassandra { +static std::unordered_map<std::string, OptionTypeInfo> + cassandra_filter_type_info = { +#ifndef ROCKSDB_LITE + {"purge_ttl_on_expiration", + {offsetof(struct CassandraOptions, purge_ttl_on_expiration), + OptionType::kBoolean, OptionVerificationType::kNormal, + OptionTypeFlags::kNone}}, + {"gc_grace_period_in_seconds", + {offsetof(struct CassandraOptions, gc_grace_period_in_seconds), + OptionType::kUInt32T, OptionVerificationType::kNormal, + OptionTypeFlags::kNone}}, +#endif // ROCKSDB_LITE +}; + +CassandraCompactionFilter::CassandraCompactionFilter( + bool purge_ttl_on_expiration, int32_t gc_grace_period_in_seconds) + : options_(gc_grace_period_in_seconds, 0, purge_ttl_on_expiration) { + RegisterOptions(&options_, &cassandra_filter_type_info); +} + +CompactionFilter::Decision CassandraCompactionFilter::FilterV2( + int /*level*/, const Slice& /*key*/, ValueType value_type, + const Slice& existing_value, std::string* new_value, + std::string* /*skip_until*/) const { + bool value_changed = false; + RowValue row_value = + RowValue::Deserialize(existing_value.data(), existing_value.size()); + RowValue compacted = + options_.purge_ttl_on_expiration + ? row_value.RemoveExpiredColumns(&value_changed) + : row_value.ConvertExpiredColumnsToTombstones(&value_changed); + + if (value_type == ValueType::kValue) { + compacted = compacted.RemoveTombstones(options_.gc_grace_period_in_seconds); + } + + if (compacted.Empty()) { + return Decision::kRemove; + } + + if (value_changed) { + compacted.Serialize(new_value); + return Decision::kChangeValue; + } + + return Decision::kKeep; +} + +CassandraCompactionFilterFactory::CassandraCompactionFilterFactory( + bool purge_ttl_on_expiration, int32_t gc_grace_period_in_seconds) + : options_(gc_grace_period_in_seconds, 0, purge_ttl_on_expiration) { + RegisterOptions(&options_, &cassandra_filter_type_info); +} + +std::unique_ptr<CompactionFilter> +CassandraCompactionFilterFactory::CreateCompactionFilter( + const CompactionFilter::Context&) { + std::unique_ptr<CompactionFilter> result(new CassandraCompactionFilter( + options_.purge_ttl_on_expiration, options_.gc_grace_period_in_seconds)); + return result; +} + +#ifndef ROCKSDB_LITE +int RegisterCassandraObjects(ObjectLibrary& library, + const std::string& /*arg*/) { + library.AddFactory<MergeOperator>( + CassandraValueMergeOperator::kClassName(), + [](const std::string& /*uri*/, std::unique_ptr<MergeOperator>* guard, + std::string* /* errmsg */) { + guard->reset(new CassandraValueMergeOperator(0)); + return guard->get(); + }); + library.AddFactory<CompactionFilter>( + CassandraCompactionFilter::kClassName(), + [](const std::string& /*uri*/, + std::unique_ptr<CompactionFilter>* /*guard */, + std::string* /* errmsg */) { + return new CassandraCompactionFilter(false, 0); + }); + library.AddFactory<CompactionFilterFactory>( + CassandraCompactionFilterFactory::kClassName(), + [](const std::string& /*uri*/, + std::unique_ptr<CompactionFilterFactory>* guard, + std::string* /* errmsg */) { + guard->reset(new CassandraCompactionFilterFactory(false, 0)); + return guard->get(); + }); + size_t num_types; + return static_cast<int>(library.GetFactoryCount(&num_types)); +} +#endif // ROCKSDB_LITE +} // namespace cassandra +} // namespace ROCKSDB_NAMESPACE |