leveldb

package
v1.0.1 Latest Latest
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Published: May 6, 2022 License: Apache-2.0, MIT, Apache-2.0, + 1 more Imports: 11 Imported by: 0

Documentation

Overview

Package leveldb provides a configurable LevelDB go-datastore for use with IPFS Cluster.

Index

Constants

View Source
const (
	DefaultSubFolder = "leveldb"
)

Default values for LevelDB Config

Variables

View Source
var (
	// DefaultLevelDBOptions carries default options. Values are customized during Init().
	DefaultLevelDBOptions goleveldb.Options
)

Functions

func Cleanup

func Cleanup(cfg *Config) error

Cleanup deletes the leveldb datastore.

func New

func New(cfg *Config) (ds.Datastore, error)

New returns a LevelDB datastore configured with the given configuration.

Types

type Config

type Config struct {
	config.Saver

	// The folder for this datastore. Non-absolute paths are relative to
	// the base configuration folder.
	Folder string

	LevelDBOptions goleveldb.Options
}

Config is used to initialize a LevelDB datastore. It implements the ComponentConfig interface.

func (*Config) ApplyEnvVars

func (cfg *Config) ApplyEnvVars() error

ApplyEnvVars fills in any Config fields found as environment variables.

func (*Config) ConfigKey

func (cfg *Config) ConfigKey() string

ConfigKey returns a human-friendly identifier for this type of Datastore.

func (*Config) Default

func (cfg *Config) Default() error

Default initializes this Config with sensible values.

func (*Config) GetFolder

func (cfg *Config) GetFolder() string

GetFolder returns the LevelDB folder.

func (*Config) LoadJSON

func (cfg *Config) LoadJSON(raw []byte) error

LoadJSON reads the fields of this Config from a JSON byteslice as generated by ToJSON.

func (*Config) ToDisplayJSON

func (cfg *Config) ToDisplayJSON() ([]byte, error)

ToDisplayJSON returns JSON config as a string.

func (*Config) ToJSON

func (cfg *Config) ToJSON() (raw []byte, err error)

ToJSON generates a JSON-formatted human-friendly representation of this Config.

func (*Config) Validate

func (cfg *Config) Validate() error

Validate checks that the fields of this Config have working values, at least in appearance.

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