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bigqueue

package module

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Versions in this module

v1

v1.2.4

Apr 25, 2022

Changes in this version

+ const Default_Page_Size

+ const FanoutFrontFileName

+ var ErrIndexOutOfBoundTH = errors.New("index is valid which should between tail and head index")

+ var ErrSubscribeExistErr = errors.New("Subscriber alread set, can not repeat set")

+ var ErrSubscribeFailedNoOpenErr = errors.New("Subscriber method only support after queue opened")

+ func Printstack()

+ func Warn(v ...interface{})

+ func Warnf(msg string, v ...interface{})

+ type FanOutQueue interface

+ Close func() error

+ Dequeue func(fanoutID int64) (int64, []byte, error)

+ Enqueue func(data []byte) (int64, error)

+ EnqueueAsync func(data []byte, fn func(int64, error))

+ FreeAllSubscribe func()

+ FreeSubscribe func(fanoutID int64)

+ IsEmpty func(fanoutID int64) bool

+ Open func(dir string, queueName string, options *Options) error

+ Peek func(fanoutID int64) (int64, []byte, error)

+ Size func(fanoutID int64) int64

+ Skip func(fanoutID int64, count int64) error

+ Subscribe func(fanoutID int64, fn func(int64, []byte, error)) error

+ type FileFanoutQueue struct

+ func (q *FileFanoutQueue) Close()

+ func (q *FileFanoutQueue) Dequeue(fanoutID int64) (int64, []byte, error)

+ func (q *FileFanoutQueue) Enqueue(data []byte) (int64, error)

+ func (q *FileFanoutQueue) FreeAllSubscribe()

+ func (q *FileFanoutQueue) FreeSubscribe(fanoutID int64)

+ func (q *FileFanoutQueue) IsEmpty(fanoutID int64) bool

+ func (q *FileFanoutQueue) Open(dir string, queueName string, options *Options) error

+ func (q *FileFanoutQueue) Peek(fanoutID int64) (int64, []byte, error)

+ func (q *FileFanoutQueue) PeekAll(fanoutID int64) ([][]byte, []int64, error)

+ func (q *FileFanoutQueue) PeekPagination(fanoutID int64, page, pagesize uint64) ([][]byte, []int64, error)

+ func (q *FileFanoutQueue) Size(fanoutID int64) int64

+ func (q *FileFanoutQueue) Skip(fanoutID int64, count int64) error

+ func (q *FileFanoutQueue) Status(fanoutID int64) *QueueFilesStatus

+ func (q *FileFanoutQueue) Subscribe(fanoutID int64, fn func(int64, []byte, error)) error

type FileQueue

+ func (q *FileQueue) FreeSubscribe()

+ func (q *FileQueue) PeekAll() ([][]byte, []int64, error)

+ func (q *FileQueue) PeekPagination(page, pagesize uint64) ([][]byte, []int64, error)

+ func (q *FileQueue) Status() *QueueFilesStatus

+ func (q *FileQueue) Subscribe(fn func(int64, []byte, error)) error

+ type IOQueue interface

+ Open func(dir string, queueName string, options *Options) error

+ func NewAndOpenFileQueue(dir string, queueName string, options *Options) (IOQueue, error)

type Options

+ AutoGCBySeconds int

type Queue

+ FreeSubscribe func()

+ Subscribe func(fn func(int64, []byte, error)) error

+ type QueueFileInfo struct

+ CanGC bool

+ FileIndex int64

+ Name string

+ Path string

+ Size int64

+ type QueueFilesStatus struct

+ DataFileList []*QueueFileInfo

+ FrontFileInfo *QueueFileInfo

+ FrontIndex int64

+ HeadDataItemOffset int64

+ HeadDataPageIndex int64

+ HeadIndex int64

+ IndexFileList []*QueueFileInfo

+ MetaFileInfo *QueueFileInfo

+ TailIndex int64

+ type QueueFront struct

v1.0.1

Jun 30, 2020

Changes in this version

type Queue

+ Gc func() error

v1.0.0

Jun 30, 2020

Changes in this version

+ const DataFileName

+ const DefaultDataPageSize

+ const DefaultIndexItemsPerPage

+ const FrontFileName

+ const IndexFileName

+ const MaxInt64

+ const MetaFileName

+ var DefaultOptions = &Options

+ var ErrEnqueueDataNull = errors.New("Enqueue data can not be null")

+ var IndexOutOfBoundTH = errors.New("Index is valid which should between tail and head index")

+ func Assert(condition bool, message string, v ...interface{})

+ func BytesToInt(b []byte) int64

+ func BytesToInt32(b []byte) int32

+ func GetFileName(prefix string, suffix string, index int64) string

+ func GetFiles(pathname string) (*list.List, error)

+ func IntToBytes(n int64) []byte

+ func Mod(val int64, bits int) int64

+ func PathExists(path string) (bool, error)

+ func RemoveFiles(pathname string) error

+ type DB struct

+ InitialMmapSize int

+ MmapFlags int

+ func (db *DB) Close() error

+ func (db *DB) GoString() string

+ func (db *DB) Open(mode os.FileMode) error

+ func (db *DB) Path() string

+ type DBFactory struct

+ InitialMmapSize int

+ func (f *DBFactory) Close() error

+ type FileQueue struct

+ FrontIndex int64

+ HeadIndex int64

+ TailIndex int64

+ func (q *FileQueue) Close() error

+ func (q *FileQueue) Dequeue() (int64, []byte, error)

+ func (q *FileQueue) Enqueue(data []byte) (int64, error)

+ func (q *FileQueue) EnqueueAsync(data []byte, fn func(int64, error))

+ func (q *FileQueue) Gc() error

+ func (q *FileQueue) IsEmpty() bool

+ func (q *FileQueue) Open(dir string, queueName string, options *Options) error

+ func (q *FileQueue) Peek() (int64, []byte, error)

+ func (q *FileQueue) Size() int64

+ func (q *FileQueue) Skip(count int64) error

+ type Options struct

+ DataPageSize int

+ GcLock bool

+ IndexItemsPerPage int

+ type Queue interface

+ Close func() error

+ Dequeue func() (int64, []byte, error)

+ Enqueue func(data []byte) (int64, error)

+ EnqueueAsync func(data []byte, fn func(int64, error))

+ IsEmpty func() bool

+ Open func(dir string, queueName string, options *Options) error

+ Peek func() (int64, []byte, error)

+ Size func() int64

+ Skip func(count int64) error