mirror of https://github.com/facebook/rocksdb.git
763 lines
28 KiB
C++
763 lines
28 KiB
C++
// Copyright (c) 2014, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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#include <cassert>
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#include <cctype>
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#include <cstdlib>
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#include <unordered_set>
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#include "rocksdb/cache.h"
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#include "rocksdb/convenience.h"
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#include "rocksdb/filter_policy.h"
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#include "rocksdb/options.h"
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#include "rocksdb/rate_limiter.h"
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#include "rocksdb/slice_transform.h"
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#include "rocksdb/table.h"
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#include "table/block_based_table_factory.h"
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#include "util/logging.h"
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#include "util/options_helper.h"
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namespace rocksdb {
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#ifndef ROCKSDB_LITE
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namespace {
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CompressionType ParseCompressionType(const std::string& type) {
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if (type == "kNoCompression") {
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return kNoCompression;
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} else if (type == "kSnappyCompression") {
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return kSnappyCompression;
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} else if (type == "kZlibCompression") {
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return kZlibCompression;
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} else if (type == "kBZip2Compression") {
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return kBZip2Compression;
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} else if (type == "kLZ4Compression") {
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return kLZ4Compression;
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} else if (type == "kLZ4HCCompression") {
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return kLZ4HCCompression;
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} else {
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throw std::invalid_argument("Unknown compression type: " + type);
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}
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return kNoCompression;
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}
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BlockBasedTableOptions::IndexType ParseBlockBasedTableIndexType(
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const std::string& type) {
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if (type == "kBinarySearch") {
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return BlockBasedTableOptions::kBinarySearch;
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} else if (type == "kHashSearch") {
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return BlockBasedTableOptions::kHashSearch;
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}
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throw std::invalid_argument("Unknown index type: " + type);
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}
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ChecksumType ParseBlockBasedTableChecksumType(
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const std::string& type) {
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if (type == "kNoChecksum") {
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return kNoChecksum;
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} else if (type == "kCRC32c") {
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return kCRC32c;
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} else if (type == "kxxHash") {
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return kxxHash;
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}
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throw std::invalid_argument("Unknown checksum type: " + type);
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}
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bool ParseBoolean(const std::string& type, const std::string& value) {
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if (value == "true" || value == "1") {
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return true;
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} else if (value == "false" || value == "0") {
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return false;
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}
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throw std::invalid_argument(type);
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}
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uint64_t ParseUint64(const std::string& value) {
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size_t endchar;
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#ifndef CYGWIN
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uint64_t num = std::stoull(value.c_str(), &endchar);
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#else
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char* endptr;
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uint64_t num = std::strtoul(value.c_str(), &endptr, 0);
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endchar = endptr - value.c_str();
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#endif
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if (endchar < value.length()) {
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char c = value[endchar];
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if (c == 'k' || c == 'K')
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num <<= 10LL;
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else if (c == 'm' || c == 'M')
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num <<= 20LL;
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else if (c == 'g' || c == 'G')
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num <<= 30LL;
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else if (c == 't' || c == 'T')
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num <<= 40LL;
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}
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return num;
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}
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size_t ParseSizeT(const std::string& value) {
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return static_cast<size_t>(ParseUint64(value));
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}
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uint32_t ParseUint32(const std::string& value) {
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uint64_t num = ParseUint64(value);
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if ((num >> 32LL) == 0) {
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return static_cast<uint32_t>(num);
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} else {
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throw std::out_of_range(value);
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}
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}
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int ParseInt(const std::string& value) {
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size_t endchar;
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#ifndef CYGWIN
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int num = std::stoi(value.c_str(), &endchar);
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#else
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char* endptr;
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int num = std::strtoul(value.c_str(), &endptr, 0);
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endchar = endptr - value.c_str();
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#endif
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if (endchar < value.length()) {
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char c = value[endchar];
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if (c == 'k' || c == 'K')
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num <<= 10;
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else if (c == 'm' || c == 'M')
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num <<= 20;
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else if (c == 'g' || c == 'G')
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num <<= 30;
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}
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return num;
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}
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double ParseDouble(const std::string& value) {
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#ifndef CYGWIN
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return std::stod(value);
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#else
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return std::strtod(value.c_str(), 0);
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#endif
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}
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CompactionStyle ParseCompactionStyle(const std::string& type) {
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if (type == "kCompactionStyleLevel") {
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return kCompactionStyleLevel;
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} else if (type == "kCompactionStyleUniversal") {
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return kCompactionStyleUniversal;
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} else if (type == "kCompactionStyleFIFO") {
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return kCompactionStyleFIFO;
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} else {
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throw std::invalid_argument("unknown compaction style: " + type);
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}
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return kCompactionStyleLevel;
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}
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} // anonymouse namespace
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template<typename OptionsType>
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bool ParseMemtableOptions(const std::string& name, const std::string& value,
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OptionsType* new_options) {
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if (name == "write_buffer_size") {
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new_options->write_buffer_size = ParseSizeT(value);
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} else if (name == "arena_block_size") {
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new_options->arena_block_size = ParseSizeT(value);
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} else if (name == "memtable_prefix_bloom_bits") {
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new_options->memtable_prefix_bloom_bits = ParseUint32(value);
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} else if (name == "memtable_prefix_bloom_probes") {
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new_options->memtable_prefix_bloom_probes = ParseUint32(value);
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} else if (name == "memtable_prefix_bloom_huge_page_tlb_size") {
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new_options->memtable_prefix_bloom_huge_page_tlb_size =
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ParseSizeT(value);
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} else if (name == "max_successive_merges") {
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new_options->max_successive_merges = ParseSizeT(value);
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} else if (name == "filter_deletes") {
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new_options->filter_deletes = ParseBoolean(name, value);
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} else if (name == "max_write_buffer_number") {
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new_options->max_write_buffer_number = ParseInt(value);
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} else if (name == "inplace_update_num_locks") {
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new_options->inplace_update_num_locks = ParseSizeT(value);
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} else {
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return false;
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}
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return true;
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}
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template<typename OptionsType>
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bool ParseCompactionOptions(const std::string& name, const std::string& value,
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OptionsType* new_options) {
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if (name == "disable_auto_compactions") {
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new_options->disable_auto_compactions = ParseBoolean(name, value);
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} else if (name == "soft_rate_limit") {
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new_options->soft_rate_limit = ParseDouble(value);
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} else if (name == "hard_rate_limit") {
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new_options->hard_rate_limit = ParseDouble(value);
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} else if (name == "level0_file_num_compaction_trigger") {
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new_options->level0_file_num_compaction_trigger = ParseInt(value);
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} else if (name == "level0_slowdown_writes_trigger") {
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new_options->level0_slowdown_writes_trigger = ParseInt(value);
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} else if (name == "level0_stop_writes_trigger") {
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new_options->level0_stop_writes_trigger = ParseInt(value);
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} else if (name == "max_grandparent_overlap_factor") {
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new_options->max_grandparent_overlap_factor = ParseInt(value);
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} else if (name == "expanded_compaction_factor") {
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new_options->expanded_compaction_factor = ParseInt(value);
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} else if (name == "source_compaction_factor") {
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new_options->source_compaction_factor = ParseInt(value);
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} else if (name == "target_file_size_base") {
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new_options->target_file_size_base = ParseInt(value);
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} else if (name == "target_file_size_multiplier") {
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new_options->target_file_size_multiplier = ParseInt(value);
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} else if (name == "max_bytes_for_level_base") {
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new_options->max_bytes_for_level_base = ParseUint64(value);
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} else if (name == "max_bytes_for_level_multiplier") {
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new_options->max_bytes_for_level_multiplier = ParseInt(value);
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} else if (name == "max_bytes_for_level_multiplier_additional") {
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new_options->max_bytes_for_level_multiplier_additional.clear();
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size_t start = 0;
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while (true) {
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size_t end = value.find(':', start);
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if (end == std::string::npos) {
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new_options->max_bytes_for_level_multiplier_additional.push_back(
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ParseInt(value.substr(start)));
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break;
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} else {
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new_options->max_bytes_for_level_multiplier_additional.push_back(
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ParseInt(value.substr(start, end - start)));
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start = end + 1;
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}
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}
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} else if (name == "verify_checksums_in_compaction") {
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new_options->verify_checksums_in_compaction = ParseBoolean(name, value);
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} else {
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return false;
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}
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return true;
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}
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template<typename OptionsType>
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bool ParseMiscOptions(const std::string& name, const std::string& value,
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OptionsType* new_options) {
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if (name == "max_sequential_skip_in_iterations") {
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new_options->max_sequential_skip_in_iterations = ParseUint64(value);
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} else if (name == "paranoid_file_checks") {
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new_options->paranoid_file_checks = ParseBoolean(name, value);
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} else {
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return false;
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}
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return true;
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}
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Status GetMutableOptionsFromStrings(
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const MutableCFOptions& base_options,
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const std::unordered_map<std::string, std::string>& options_map,
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MutableCFOptions* new_options) {
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assert(new_options);
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*new_options = base_options;
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for (const auto& o : options_map) {
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try {
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if (ParseMemtableOptions(o.first, o.second, new_options)) {
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} else if (ParseCompactionOptions(o.first, o.second, new_options)) {
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} else if (ParseMiscOptions(o.first, o.second, new_options)) {
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} else {
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return Status::InvalidArgument(
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"unsupported dynamic option: " + o.first);
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}
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} catch (std::exception& e) {
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return Status::InvalidArgument("error parsing " + o.first + ":" +
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std::string(e.what()));
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}
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}
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return Status::OK();
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}
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namespace {
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std::string trim(const std::string& str) {
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if (str.empty()) return std::string();
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size_t start = 0;
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size_t end = str.size() - 1;
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while (isspace(str[start]) != 0 && start <= end) {
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++start;
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}
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while (isspace(str[end]) != 0 && start <= end) {
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--end;
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}
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if (start <= end) {
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return str.substr(start, end - start + 1);
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}
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return std::string();
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}
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} // anonymous namespace
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Status StringToMap(const std::string& opts_str,
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std::unordered_map<std::string, std::string>* opts_map) {
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assert(opts_map);
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// Example:
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// opts_str = "write_buffer_size=1024;max_write_buffer_number=2;"
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// "nested_opt={opt1=1;opt2=2};max_bytes_for_level_base=100"
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size_t pos = 0;
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std::string opts = trim(opts_str);
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while (pos < opts.size()) {
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size_t eq_pos = opts.find('=', pos);
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if (eq_pos == std::string::npos) {
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return Status::InvalidArgument("Mismatched key value pair, '=' expected");
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}
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std::string key = trim(opts.substr(pos, eq_pos - pos));
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if (key.empty()) {
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return Status::InvalidArgument("Empty key found");
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}
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// skip space after '=' and look for '{' for possible nested options
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pos = eq_pos + 1;
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while (pos < opts.size() && isspace(opts[pos])) {
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++pos;
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}
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// Empty value at the end
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if (pos >= opts.size()) {
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(*opts_map)[key] = "";
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break;
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}
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if (opts[pos] == '{') {
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int count = 1;
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size_t brace_pos = pos + 1;
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while (brace_pos < opts.size()) {
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if (opts[brace_pos] == '{') {
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++count;
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} else if (opts[brace_pos] == '}') {
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--count;
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if (count == 0) {
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break;
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}
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}
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++brace_pos;
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}
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// found the matching closing brace
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if (count == 0) {
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(*opts_map)[key] = trim(opts.substr(pos + 1, brace_pos - pos - 1));
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// skip all whitespace and move to the next ';'
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// brace_pos points to the next position after the matching '}'
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pos = brace_pos + 1;
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while (pos < opts.size() && isspace(opts[pos])) {
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++pos;
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}
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if (pos < opts.size() && opts[pos] != ';') {
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return Status::InvalidArgument(
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"Unexpected chars after nested options");
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}
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++pos;
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} else {
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return Status::InvalidArgument(
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"Mismatched curly braces for nested options");
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}
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} else {
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size_t sc_pos = opts.find(';', pos);
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if (sc_pos == std::string::npos) {
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(*opts_map)[key] = trim(opts.substr(pos));
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// It either ends with a trailing semi-colon or the last key-value pair
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break;
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} else {
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(*opts_map)[key] = trim(opts.substr(pos, sc_pos - pos));
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}
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pos = sc_pos + 1;
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}
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}
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return Status::OK();
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}
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bool ParseColumnFamilyOption(const std::string& name, const std::string& value,
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ColumnFamilyOptions* new_options) {
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try {
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if (ParseMemtableOptions(name, value, new_options)) {
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} else if (ParseCompactionOptions(name, value, new_options)) {
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} else if (ParseMiscOptions(name, value, new_options)) {
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} else if (name == "block_based_table_factory") {
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// Nested options
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BlockBasedTableOptions table_opt, base_table_options;
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auto block_based_table_factory = dynamic_cast<BlockBasedTableFactory*>(
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new_options->table_factory.get());
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if (block_based_table_factory != nullptr) {
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base_table_options = block_based_table_factory->GetTableOptions();
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}
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Status table_opt_s = GetBlockBasedTableOptionsFromString(
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base_table_options, value, &table_opt);
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if (!table_opt_s.ok()) {
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return false;
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}
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new_options->table_factory.reset(NewBlockBasedTableFactory(table_opt));
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} else if (name == "min_write_buffer_number_to_merge") {
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new_options->min_write_buffer_number_to_merge = ParseInt(value);
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} else if (name == "max_write_buffer_number_to_maintain") {
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new_options->max_write_buffer_number_to_maintain = ParseInt(value);
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} else if (name == "compression") {
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new_options->compression = ParseCompressionType(value);
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} else if (name == "compression_per_level") {
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new_options->compression_per_level.clear();
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size_t start = 0;
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while (true) {
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size_t end = value.find(':', start);
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if (end == std::string::npos) {
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new_options->compression_per_level.push_back(
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ParseCompressionType(value.substr(start)));
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break;
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} else {
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new_options->compression_per_level.push_back(
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ParseCompressionType(value.substr(start, end - start)));
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start = end + 1;
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}
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}
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} else if (name == "compression_opts") {
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size_t start = 0;
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size_t end = value.find(':');
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if (end == std::string::npos) {
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return false;
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}
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new_options->compression_opts.window_bits =
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ParseInt(value.substr(start, end - start));
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start = end + 1;
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end = value.find(':', start);
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if (end == std::string::npos) {
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return false;
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}
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new_options->compression_opts.level =
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ParseInt(value.substr(start, end - start));
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start = end + 1;
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if (start >= value.size()) {
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return false;
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}
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new_options->compression_opts.strategy =
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ParseInt(value.substr(start, value.size() - start));
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} else if (name == "num_levels") {
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new_options->num_levels = ParseInt(value);
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} else if (name == "level_compaction_dynamic_level_bytes") {
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new_options->level_compaction_dynamic_level_bytes =
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ParseBoolean(name, value);
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} else if (name == "compaction_style") {
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new_options->compaction_style = ParseCompactionStyle(value);
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} else if (name == "compaction_options_universal") {
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// TODO(ljin): add support
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return false;
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} else if (name == "compaction_options_fifo") {
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new_options->compaction_options_fifo.max_table_files_size =
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ParseUint64(value);
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} else if (name == "bloom_locality") {
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new_options->bloom_locality = ParseUint32(value);
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} else if (name == "min_partial_merge_operands") {
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new_options->min_partial_merge_operands = ParseUint32(value);
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} else if (name == "inplace_update_support") {
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new_options->inplace_update_support = ParseBoolean(name, value);
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} else if (name == "prefix_extractor") {
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const std::string kFixedPrefixName = "fixed:";
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const std::string kCappedPrefixName = "capped:";
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auto& pe_value = value;
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if (pe_value.size() > kFixedPrefixName.size() &&
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pe_value.compare(0, kFixedPrefixName.size(), kFixedPrefixName) == 0) {
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int prefix_length =
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ParseInt(trim(value.substr(kFixedPrefixName.size())));
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new_options->prefix_extractor.reset(
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NewFixedPrefixTransform(prefix_length));
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} else if (pe_value.size() > kCappedPrefixName.size() &&
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pe_value.compare(0, kCappedPrefixName.size(),
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kCappedPrefixName) == 0) {
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|
int prefix_length =
|
|
ParseInt(trim(pe_value.substr(kCappedPrefixName.size())));
|
|
new_options->prefix_extractor.reset(
|
|
NewCappedPrefixTransform(prefix_length));
|
|
} else {
|
|
return false;
|
|
}
|
|
} else if (name == "optimize_filters_for_hits") {
|
|
new_options->optimize_filters_for_hits = ParseBoolean(name, value);
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
catch (std::exception& e) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool ParseDBOption(const std::string& name, const std::string& value,
|
|
DBOptions* new_options) {
|
|
try {
|
|
if (name == "create_if_missing") {
|
|
new_options->create_if_missing = ParseBoolean(name, value);
|
|
} else if (name == "create_missing_column_families") {
|
|
new_options->create_missing_column_families =
|
|
ParseBoolean(name, value);
|
|
} else if (name == "error_if_exists") {
|
|
new_options->error_if_exists = ParseBoolean(name, value);
|
|
} else if (name == "paranoid_checks") {
|
|
new_options->paranoid_checks = ParseBoolean(name, value);
|
|
} else if (name == "rate_limiter_bytes_per_sec") {
|
|
new_options->rate_limiter.reset(
|
|
NewGenericRateLimiter(static_cast<int64_t>(ParseUint64(value))));
|
|
} else if (name == "max_open_files") {
|
|
new_options->max_open_files = ParseInt(value);
|
|
} else if (name == "max_total_wal_size") {
|
|
new_options->max_total_wal_size = ParseUint64(value);
|
|
} else if (name == "disable_data_sync") {
|
|
new_options->disableDataSync = ParseBoolean(name, value);
|
|
} else if (name == "use_fsync") {
|
|
new_options->use_fsync = ParseBoolean(name, value);
|
|
} else if (name == "db_paths") {
|
|
// TODO(ljin): add support
|
|
return false;
|
|
} else if (name == "db_log_dir") {
|
|
new_options->db_log_dir = value;
|
|
} else if (name == "wal_dir") {
|
|
new_options->wal_dir = value;
|
|
} else if (name == "delete_obsolete_files_period_micros") {
|
|
new_options->delete_obsolete_files_period_micros = ParseUint64(value);
|
|
} else if (name == "max_background_compactions") {
|
|
new_options->max_background_compactions = ParseInt(value);
|
|
} else if (name == "max_background_flushes") {
|
|
new_options->max_background_flushes = ParseInt(value);
|
|
} else if (name == "max_log_file_size") {
|
|
new_options->max_log_file_size = ParseSizeT(value);
|
|
} else if (name == "log_file_time_to_roll") {
|
|
new_options->log_file_time_to_roll = ParseSizeT(value);
|
|
} else if (name == "keep_log_file_num") {
|
|
new_options->keep_log_file_num = ParseSizeT(value);
|
|
} else if (name == "max_manifest_file_size") {
|
|
new_options->max_manifest_file_size = ParseUint64(value);
|
|
} else if (name == "table_cache_numshardbits") {
|
|
new_options->table_cache_numshardbits = ParseInt(value);
|
|
} else if (name == "WAL_ttl_seconds") {
|
|
new_options->WAL_ttl_seconds = ParseUint64(value);
|
|
} else if (name == "WAL_size_limit_MB") {
|
|
new_options->WAL_size_limit_MB = ParseUint64(value);
|
|
} else if (name == "manifest_preallocation_size") {
|
|
new_options->manifest_preallocation_size = ParseSizeT(value);
|
|
} else if (name == "allow_os_buffer") {
|
|
new_options->allow_os_buffer = ParseBoolean(name, value);
|
|
} else if (name == "allow_mmap_reads") {
|
|
new_options->allow_mmap_reads = ParseBoolean(name, value);
|
|
} else if (name == "allow_mmap_writes") {
|
|
new_options->allow_mmap_writes = ParseBoolean(name, value);
|
|
} else if (name == "is_fd_close_on_exec") {
|
|
new_options->is_fd_close_on_exec = ParseBoolean(name, value);
|
|
} else if (name == "skip_log_error_on_recovery") {
|
|
new_options->skip_log_error_on_recovery = ParseBoolean(name, value);
|
|
} else if (name == "stats_dump_period_sec") {
|
|
new_options->stats_dump_period_sec = ParseUint32(value);
|
|
} else if (name == "advise_random_on_open") {
|
|
new_options->advise_random_on_open = ParseBoolean(name, value);
|
|
} else if (name == "db_write_buffer_size") {
|
|
new_options->db_write_buffer_size = ParseUint64(value);
|
|
} else if (name == "use_adaptive_mutex") {
|
|
new_options->use_adaptive_mutex = ParseBoolean(name, value);
|
|
} else if (name == "bytes_per_sync") {
|
|
new_options->bytes_per_sync = ParseUint64(value);
|
|
} else if (name == "wal_bytes_per_sync") {
|
|
new_options->wal_bytes_per_sync = ParseUint64(value);
|
|
} else {
|
|
return false;
|
|
}
|
|
} catch (const std::exception& e) {
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
Status GetBlockBasedTableOptionsFromMap(
|
|
const BlockBasedTableOptions& table_options,
|
|
const std::unordered_map<std::string, std::string>& opts_map,
|
|
BlockBasedTableOptions* new_table_options) {
|
|
|
|
assert(new_table_options);
|
|
*new_table_options = table_options;
|
|
for (const auto& o : opts_map) {
|
|
try {
|
|
if (o.first == "cache_index_and_filter_blocks") {
|
|
new_table_options->cache_index_and_filter_blocks =
|
|
ParseBoolean(o.first, o.second);
|
|
} else if (o.first == "index_type") {
|
|
new_table_options->index_type = ParseBlockBasedTableIndexType(o.second);
|
|
} else if (o.first == "hash_index_allow_collision") {
|
|
new_table_options->hash_index_allow_collision =
|
|
ParseBoolean(o.first, o.second);
|
|
} else if (o.first == "checksum") {
|
|
new_table_options->checksum =
|
|
ParseBlockBasedTableChecksumType(o.second);
|
|
} else if (o.first == "no_block_cache") {
|
|
new_table_options->no_block_cache = ParseBoolean(o.first, o.second);
|
|
} else if (o.first == "block_cache") {
|
|
new_table_options->block_cache = NewLRUCache(ParseSizeT(o.second));
|
|
} else if (o.first == "block_cache_compressed") {
|
|
new_table_options->block_cache_compressed =
|
|
NewLRUCache(ParseSizeT(o.second));
|
|
} else if (o.first == "block_size") {
|
|
new_table_options->block_size = ParseSizeT(o.second);
|
|
} else if (o.first == "block_size_deviation") {
|
|
new_table_options->block_size_deviation = ParseInt(o.second);
|
|
} else if (o.first == "block_restart_interval") {
|
|
new_table_options->block_restart_interval = ParseInt(o.second);
|
|
} else if (o.first == "filter_policy") {
|
|
// Expect the following format
|
|
// bloomfilter:int:bool
|
|
const std::string kName = "bloomfilter:";
|
|
if (o.second.compare(0, kName.size(), kName) != 0) {
|
|
return Status::InvalidArgument("Invalid filter policy name");
|
|
}
|
|
size_t pos = o.second.find(':', kName.size());
|
|
if (pos == std::string::npos) {
|
|
return Status::InvalidArgument("Invalid filter policy config, "
|
|
"missing bits_per_key");
|
|
}
|
|
int bits_per_key = ParseInt(
|
|
trim(o.second.substr(kName.size(), pos - kName.size())));
|
|
bool use_block_based_builder =
|
|
ParseBoolean("use_block_based_builder",
|
|
trim(o.second.substr(pos + 1)));
|
|
new_table_options->filter_policy.reset(
|
|
NewBloomFilterPolicy(bits_per_key, use_block_based_builder));
|
|
} else if (o.first == "whole_key_filtering") {
|
|
new_table_options->whole_key_filtering =
|
|
ParseBoolean(o.first, o.second);
|
|
} else {
|
|
return Status::InvalidArgument("Unrecognized option: " + o.first);
|
|
}
|
|
} catch (std::exception& e) {
|
|
return Status::InvalidArgument("error parsing " + o.first + ":" +
|
|
std::string(e.what()));
|
|
}
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
Status GetBlockBasedTableOptionsFromString(
|
|
const BlockBasedTableOptions& table_options,
|
|
const std::string& opts_str,
|
|
BlockBasedTableOptions* new_table_options) {
|
|
std::unordered_map<std::string, std::string> opts_map;
|
|
Status s = StringToMap(opts_str, &opts_map);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
return GetBlockBasedTableOptionsFromMap(table_options, opts_map,
|
|
new_table_options);
|
|
}
|
|
|
|
Status GetPlainTableOptionsFromMap(
|
|
const PlainTableOptions& table_options,
|
|
const std::unordered_map<std::string, std::string>& opts_map,
|
|
PlainTableOptions* new_table_options) {
|
|
assert(new_table_options);
|
|
*new_table_options = table_options;
|
|
|
|
for (const auto& o : opts_map) {
|
|
try {
|
|
if (o.first == "user_key_len") {
|
|
new_table_options->user_key_len = ParseUint32(o.second);
|
|
} else if (o.first == "bloom_bits_per_key") {
|
|
new_table_options->bloom_bits_per_key = ParseInt(o.second);
|
|
} else if (o.first == "hash_table_ratio") {
|
|
new_table_options->hash_table_ratio = ParseDouble(o.second);
|
|
} else if (o.first == "index_sparseness") {
|
|
new_table_options->index_sparseness = ParseSizeT(o.second);
|
|
} else if (o.first == "huge_page_tlb_size") {
|
|
new_table_options->huge_page_tlb_size = ParseSizeT(o.second);
|
|
} else if (o.first == "encoding_type") {
|
|
if (o.second == "kPlain") {
|
|
new_table_options->encoding_type = kPlain;
|
|
} else if (o.second == "kPrefix") {
|
|
new_table_options->encoding_type = kPrefix;
|
|
} else {
|
|
throw std::invalid_argument("Unknown encoding_type: " + o.second);
|
|
}
|
|
} else if (o.first == "full_scan_mode") {
|
|
new_table_options->full_scan_mode = ParseBoolean(o.first, o.second);
|
|
} else if (o.first == "store_index_in_file") {
|
|
new_table_options->store_index_in_file =
|
|
ParseBoolean(o.first, o.second);
|
|
} else {
|
|
return Status::InvalidArgument("Unrecognized option: " + o.first);
|
|
}
|
|
} catch (std::exception& e) {
|
|
return Status::InvalidArgument("error parsing " + o.first + ":" +
|
|
std::string(e.what()));
|
|
}
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
Status GetColumnFamilyOptionsFromMap(
|
|
const ColumnFamilyOptions& base_options,
|
|
const std::unordered_map<std::string, std::string>& opts_map,
|
|
ColumnFamilyOptions* new_options) {
|
|
assert(new_options);
|
|
*new_options = base_options;
|
|
for (const auto& o : opts_map) {
|
|
if (!ParseColumnFamilyOption(o.first, o.second, new_options)) {
|
|
return Status::InvalidArgument("Can't parse option " + o.first);
|
|
}
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
Status GetColumnFamilyOptionsFromString(
|
|
const ColumnFamilyOptions& base_options,
|
|
const std::string& opts_str,
|
|
ColumnFamilyOptions* new_options) {
|
|
std::unordered_map<std::string, std::string> opts_map;
|
|
Status s = StringToMap(opts_str, &opts_map);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
return GetColumnFamilyOptionsFromMap(base_options, opts_map, new_options);
|
|
}
|
|
|
|
Status GetDBOptionsFromMap(
|
|
const DBOptions& base_options,
|
|
const std::unordered_map<std::string, std::string>& opts_map,
|
|
DBOptions* new_options) {
|
|
assert(new_options);
|
|
*new_options = base_options;
|
|
for (const auto& o : opts_map) {
|
|
if (!ParseDBOption(o.first, o.second, new_options)) {
|
|
return Status::InvalidArgument("Can't parse option " + o.first);
|
|
}
|
|
}
|
|
return Status::OK();
|
|
}
|
|
|
|
Status GetDBOptionsFromString(
|
|
const DBOptions& base_options,
|
|
const std::string& opts_str,
|
|
DBOptions* new_options) {
|
|
std::unordered_map<std::string, std::string> opts_map;
|
|
Status s = StringToMap(opts_str, &opts_map);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
return GetDBOptionsFromMap(base_options, opts_map, new_options);
|
|
}
|
|
|
|
Status GetOptionsFromString(const Options& base_options,
|
|
const std::string& opts_str, Options* new_options) {
|
|
std::unordered_map<std::string, std::string> opts_map;
|
|
Status s = StringToMap(opts_str, &opts_map);
|
|
if (!s.ok()) {
|
|
return s;
|
|
}
|
|
DBOptions new_db_options(base_options);
|
|
ColumnFamilyOptions new_cf_options(base_options);
|
|
for (const auto& o : opts_map) {
|
|
if (ParseDBOption(o.first, o.second, &new_db_options)) {
|
|
} else if (ParseColumnFamilyOption(o.first, o.second, &new_cf_options)) {
|
|
} else {
|
|
return Status::InvalidArgument("Can't parse option " + o.first);
|
|
}
|
|
}
|
|
*new_options = Options(new_db_options, new_cf_options);
|
|
return Status::OK();
|
|
}
|
|
|
|
#endif // ROCKSDB_LITE
|
|
} // namespace rocksdb
|