@ -21,6 +21,7 @@
# include "rocksdb/table.h"
# include "table/block_based_table_factory.h"
# include "table/plain_table_factory.h"
# include "util/cast_util.h"
# include "util/string_util.h"
namespace rocksdb {
@ -303,6 +304,7 @@ bool ParseSliceTransform(
// SliceTransforms here.
return false ;
}
} // anonymouse namespace
bool ParseOptionHelper ( char * opt_address , const OptionType & opt_type ,
const std : : string & value ) {
@ -383,8 +385,6 @@ bool ParseOptionHelper(char* opt_address, const OptionType& opt_type,
return true ;
}
} // anonymouse namespace
bool SerializeSingleOptionHelper ( const char * opt_address ,
const OptionType opt_type ,
std : : string * value ) {
@ -466,12 +466,14 @@ bool SerializeSingleOptionHelper(const char* opt_address,
// Since the user-specified comparator will be wrapped by
// InternalKeyComparator, we should persist the user-specified one
// instead of InternalKeyComparator.
const auto * internal_comparator =
dynamic_cast < const InternalKeyComparator * > ( * ptr ) ;
if ( internal_comparator ! = nullptr ) {
* value = internal_comparator - > user_comparator ( ) - > Name ( ) ;
if ( * ptr = = nullptr ) {
* value = kNullptrString ;
} else {
* value = * ptr ? ( * ptr ) - > Name ( ) : kNullptrString ;
const Comparator * root_comp = ( * ptr ) - > GetRootComparator ( ) ;
if ( root_comp = = nullptr ) {
root_comp = ( * ptr ) ;
}
* value = root_comp - > Name ( ) ;
}
break ;
}
@ -693,8 +695,9 @@ Status ParseColumnFamilyOption(const std::string& name,
if ( name = = " block_based_table_factory " ) {
// Nested options
BlockBasedTableOptions table_opt , base_table_options ;
auto block_based_table_factory = dynamic_cast < BlockBasedTableFactory * > (
new_options - > table_factory . get ( ) ) ;
BlockBasedTableFactory * block_based_table_factory =
static_cast_with_check < BlockBasedTableFactory , TableFactory > (
new_options - > table_factory . get ( ) ) ;
if ( block_based_table_factory ! = nullptr ) {
base_table_options = block_based_table_factory - > table_options ( ) ;
}
@ -708,8 +711,9 @@ Status ParseColumnFamilyOption(const std::string& name,
} else if ( name = = " plain_table_factory " ) {
// Nested options
PlainTableOptions table_opt , base_table_options ;
auto plain_table_factory = dynamic_cast < PlainTableFactory * > (
new_options - > table_factory . get ( ) ) ;
PlainTableFactory * plain_table_factory =
static_cast_with_check < PlainTableFactory , TableFactory > (
new_options - > table_factory . get ( ) ) ;
if ( plain_table_factory ! = nullptr ) {
base_table_options = plain_table_factory - > table_options ( ) ;
}
@ -909,59 +913,6 @@ std::vector<CompressionType> GetSupportedCompressions() {
return supported_compressions ;
}
bool SerializeSingleBlockBasedTableOption (
std : : string * opt_string , const BlockBasedTableOptions & bbt_options ,
const std : : string & name , const std : : string & delimiter ) {
auto iter = block_based_table_type_info . find ( name ) ;
if ( iter = = block_based_table_type_info . end ( ) ) {
return false ;
}
auto & opt_info = iter - > second ;
const char * opt_address =
reinterpret_cast < const char * > ( & bbt_options ) + opt_info . offset ;
std : : string value ;
bool result = SerializeSingleOptionHelper ( opt_address , opt_info . type , & value ) ;
if ( result ) {
* opt_string = name + " = " + value + delimiter ;
}
return result ;
}
Status GetStringFromBlockBasedTableOptions (
std : : string * opt_string , const BlockBasedTableOptions & bbt_options ,
const std : : string & delimiter ) {
assert ( opt_string ) ;
opt_string - > clear ( ) ;
for ( auto iter = block_based_table_type_info . begin ( ) ;
iter ! = block_based_table_type_info . end ( ) ; + + iter ) {
if ( iter - > second . verification = = OptionVerificationType : : kDeprecated ) {
// If the option is no longer used in rocksdb and marked as deprecated,
// we skip it in the serialization.
continue ;
}
std : : string single_output ;
bool result = SerializeSingleBlockBasedTableOption (
& single_output , bbt_options , iter - > first , delimiter ) ;
assert ( result ) ;
if ( result ) {
opt_string - > append ( single_output ) ;
}
}
return Status : : OK ( ) ;
}
Status GetStringFromTableFactory ( std : : string * opts_str , const TableFactory * tf ,
const std : : string & delimiter ) {
const auto * bbtf = dynamic_cast < const BlockBasedTableFactory * > ( tf ) ;
opts_str - > clear ( ) ;
if ( bbtf ! = nullptr ) {
return GetStringFromBlockBasedTableOptions ( opts_str , bbtf - > table_options ( ) ,
delimiter ) ;
}
return Status : : OK ( ) ;
}
Status ParseDBOption ( const std : : string & name ,
const std : : string & org_value ,
DBOptions * new_options ,
@ -1003,242 +954,6 @@ Status ParseDBOption(const std::string& name,
return Status : : OK ( ) ;
}
std : : string ParseBlockBasedTableOption ( const std : : string & name ,
const std : : string & org_value ,
BlockBasedTableOptions * new_options ,
bool input_strings_escaped = false ,
bool ignore_unknown_options = false ) {
const std : : string & value =
input_strings_escaped ? UnescapeOptionString ( org_value ) : org_value ;
if ( ! input_strings_escaped ) {
// if the input string is not escaped, it means this function is
// invoked from SetOptions, which takes the old format.
if ( name = = " block_cache " ) {
new_options - > block_cache = NewLRUCache ( ParseSizeT ( value ) ) ;
return " " ;
} else if ( name = = " block_cache_compressed " ) {
new_options - > block_cache_compressed = NewLRUCache ( ParseSizeT ( value ) ) ;
return " " ;
} else if ( name = = " filter_policy " ) {
// Expect the following format
// bloomfilter:int:bool
const std : : string kName = " bloomfilter: " ;
if ( value . compare ( 0 , kName . size ( ) , kName ) ! = 0 ) {
return " Invalid filter policy name " ;
}
size_t pos = value . find ( ' : ' , kName . size ( ) ) ;
if ( pos = = std : : string : : npos ) {
return " Invalid filter policy config, missing bits_per_key " ;
}
int bits_per_key =
ParseInt ( trim ( value . substr ( kName . size ( ) , pos - kName . size ( ) ) ) ) ;
bool use_block_based_builder =
ParseBoolean ( " use_block_based_builder " , trim ( value . substr ( pos + 1 ) ) ) ;
new_options - > filter_policy . reset (
NewBloomFilterPolicy ( bits_per_key , use_block_based_builder ) ) ;
return " " ;
}
}
const auto iter = block_based_table_type_info . find ( name ) ;
if ( iter = = block_based_table_type_info . end ( ) ) {
if ( ignore_unknown_options ) {
return " " ;
} else {
return " Unrecognized option " ;
}
}
const auto & opt_info = iter - > second ;
if ( opt_info . verification ! = OptionVerificationType : : kDeprecated & &
! ParseOptionHelper ( reinterpret_cast < char * > ( new_options ) + opt_info . offset ,
opt_info . type , value ) ) {
return " Invalid value " ;
}
return " " ;
}
std : : string ParsePlainTableOptions ( const std : : string & name ,
const std : : string & org_value ,
PlainTableOptions * new_options ,
bool input_strings_escaped = false ,
bool ignore_unknown_options = false ) {
const std : : string & value =
input_strings_escaped ? UnescapeOptionString ( org_value ) : org_value ;
const auto iter = plain_table_type_info . find ( name ) ;
if ( iter = = plain_table_type_info . end ( ) ) {
if ( ignore_unknown_options ) {
return " " ;
} else {
return " Unrecognized option " ;
}
}
const auto & opt_info = iter - > second ;
if ( opt_info . verification ! = OptionVerificationType : : kDeprecated & &
! ParseOptionHelper ( reinterpret_cast < char * > ( new_options ) + opt_info . offset ,
opt_info . type , value ) ) {
return " Invalid value " ;
}
return " " ;
}
Status GetBlockBasedTableOptionsFromMap (
const BlockBasedTableOptions & table_options ,
const std : : unordered_map < std : : string , std : : string > & opts_map ,
BlockBasedTableOptions * new_table_options , bool input_strings_escaped ,
bool ignore_unknown_options ) {
assert ( new_table_options ) ;
* new_table_options = table_options ;
for ( const auto & o : opts_map ) {
auto error_message = ParseBlockBasedTableOption (
o . first , o . second , new_table_options , input_strings_escaped ,
ignore_unknown_options ) ;
if ( error_message ! = " " ) {
const auto iter = block_based_table_type_info . find ( o . first ) ;
if ( iter = = block_based_table_type_info . end ( ) | |
! input_strings_escaped | | // !input_strings_escaped indicates
// the old API, where everything is
// parsable.
( iter - > second . verification ! = OptionVerificationType : : kByName & &
iter - > second . verification ! =
OptionVerificationType : : kByNameAllowNull & &
iter - > second . verification ! =
OptionVerificationType : : kDeprecated ) ) {
// Restore "new_options" to the default "base_options".
* new_table_options = table_options ;
return Status : : InvalidArgument ( " Can't parse BlockBasedTableOptions: " ,
o . first + " " + error_message ) ;
}
}
}
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 , bool input_strings_escaped ,
bool ignore_unknown_options ) {
assert ( new_table_options ) ;
* new_table_options = table_options ;
for ( const auto & o : opts_map ) {
auto error_message = ParsePlainTableOptions (
o . first , o . second , new_table_options , input_strings_escaped ) ;
if ( error_message ! = " " ) {
const auto iter = plain_table_type_info . find ( o . first ) ;
if ( iter = = plain_table_type_info . end ( ) | |
! input_strings_escaped | | // !input_strings_escaped indicates
// the old API, where everything is
// parsable.
( iter - > second . verification ! = OptionVerificationType : : kByName & &
iter - > second . verification ! =
OptionVerificationType : : kByNameAllowNull & &
iter - > second . verification ! =
OptionVerificationType : : kDeprecated ) ) {
// Restore "new_options" to the default "base_options".
* new_table_options = table_options ;
return Status : : InvalidArgument ( " Can't parse PlainTableOptions: " ,
o . first + " " + error_message ) ;
}
}
}
return Status : : OK ( ) ;
}
Status GetPlainTableOptionsFromString (
const PlainTableOptions & table_options ,
const std : : string & opts_str ,
PlainTableOptions * 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 GetPlainTableOptionsFromMap ( table_options , opts_map ,
new_table_options ) ;
}
Status GetMemTableRepFactoryFromString ( const std : : string & opts_str ,
std : : unique_ptr < MemTableRepFactory > * new_mem_factory ) {
std : : vector < std : : string > opts_list = StringSplit ( opts_str , ' : ' ) ;
size_t len = opts_list . size ( ) ;
if ( opts_list . size ( ) < = 0 | | opts_list . size ( ) > 2 ) {
return Status : : InvalidArgument ( " Can't parse memtable_factory option " ,
opts_str ) ;
}
MemTableRepFactory * mem_factory = nullptr ;
if ( opts_list [ 0 ] = = " skip_list " ) {
// Expecting format
// skip_list:<lookahead>
if ( 2 = = len ) {
size_t lookahead = ParseSizeT ( opts_list [ 1 ] ) ;
mem_factory = new SkipListFactory ( lookahead ) ;
} else if ( 1 = = len ) {
mem_factory = new SkipListFactory ( ) ;
}
} else if ( opts_list [ 0 ] = = " prefix_hash " ) {
// Expecting format
// prfix_hash:<hash_bucket_count>
if ( 2 = = len ) {
size_t hash_bucket_count = ParseSizeT ( opts_list [ 1 ] ) ;
mem_factory = NewHashSkipListRepFactory ( hash_bucket_count ) ;
} else if ( 1 = = len ) {
mem_factory = NewHashSkipListRepFactory ( ) ;
}
} else if ( opts_list [ 0 ] = = " hash_linkedlist " ) {
// Expecting format
// hash_linkedlist:<hash_bucket_count>
if ( 2 = = len ) {
size_t hash_bucket_count = ParseSizeT ( opts_list [ 1 ] ) ;
mem_factory = NewHashLinkListRepFactory ( hash_bucket_count ) ;
} else if ( 1 = = len ) {
mem_factory = NewHashLinkListRepFactory ( ) ;
}
} else if ( opts_list [ 0 ] = = " vector " ) {
// Expecting format
// vector:<count>
if ( 2 = = len ) {
size_t count = ParseSizeT ( opts_list [ 1 ] ) ;
mem_factory = new VectorRepFactory ( count ) ;
} else if ( 1 = = len ) {
mem_factory = new VectorRepFactory ( ) ;
}
} else if ( opts_list [ 0 ] = = " cuckoo " ) {
// Expecting format
// cuckoo:<write_buffer_size>
if ( 2 = = len ) {
size_t write_buffer_size = ParseSizeT ( opts_list [ 1 ] ) ;
mem_factory = NewHashCuckooRepFactory ( write_buffer_size ) ;
} else if ( 1 = = len ) {
return Status : : InvalidArgument ( " Can't parse memtable_factory option " ,
opts_str ) ;
}
} else {
return Status : : InvalidArgument ( " Unrecognized memtable_factory option " ,
opts_str ) ;
}
if ( mem_factory ! = nullptr ) {
new_mem_factory - > reset ( mem_factory ) ;
}
return Status : : OK ( ) ;
}
Status GetColumnFamilyOptionsFromMap (
const ColumnFamilyOptions & base_options ,
const std : : unordered_map < std : : string , std : : string > & opts_map ,
Siying Dong
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