fstack

README

file-stack-db

Key with historical values database based on file-stack

It provides:

• Dynamic allocation or reusing of file stacks
• Auto closing unused stacks that reduce file handlers usage (especially for low-cost platforms)

Tools

Stack DB with RPC/RPC-HTTP/HTTP API:

go get -u github.com/reddec/file-stack-db/cmd/...

Use package manager for Debian/Centos by packager.io

Dev documentation

See godoc

HTTP API

See swagger UI or swagger.yaml

Documentation

Index

• type Database
  • func NewDatabase(rootDir string, keepAlive time.Duration) (*Database, error)
  • func (db *Database) Clean() error
  • func (db *Database) Close() error
  • func (db *Database) Find(key string, create bool) (*fstack.Stack, error)
  • func (db *Database) Get(key string) *fstack.Stack
  • func (db *Database) Names() []string
  • func (db *Database) Remove(key string) error
  • func (db *Database) Scan() error

Types

type Database

type Database struct {
	io.Closer
	// contains filtered or unexported fields
}

Database of file stacks

func NewDatabase

func NewDatabase(rootDir string, keepAlive time.Duration) (*Database, error)

NewDatabase - create new database and start stack collector (closes outaded stack)

func (*Database) Clean

func (db *Database) Clean() error

Clean and remove all stacks in database from filesystem

func (*Database) Close

func (db *Database) Close() error

Close all allocated stacks and stops stack collector. Never use database again after close

func (*Database) Find

func (db *Database) Find(key string, create bool) (*fstack.Stack, error)

Find a stack or create new

func (*Database) Get

func (db *Database) Get(key string) *fstack.Stack

Get stack or create new. Panics on errors

func (*Database) Names

func (db *Database) Names() []string

Names of known stacks in the database

func (*Database) Remove

func (db *Database) Remove(key string) error

Remove stack from database and file system

func (*Database) Scan

func (db *Database) Scan() error

Scan root dir for allocated stacks Warning! All files in root dir will be interpreted as stacks