diskq

package

v1.3.3 Latest Latest Go to latest Published: Oct 18, 2024 License: Apache-2.0 Imports: 13 Imported by: 0

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Repository

github.com/ccheers/xpkg

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Documentation ¶

Index ¶

Constants
type AppLogFunc
type DiskQueue
type Interface
- func New(opts ...Option) Interface
type LogLevel
- func (l LogLevel) String() string
type Option

Constants ¶

View Source

const (
	DEBUG = LogLevel(1)
	INFO  = LogLevel(2)
	WARN  = LogLevel(3)
	ERROR = LogLevel(4)
	FATAL = LogLevel(5)
)

Variables ¶

This section is empty.

Functions ¶

This section is empty.

Types ¶

type AppLogFunc ¶

type AppLogFunc func(lvl LogLevel, f string, args ...interface{})

type DiskQueue ¶

type DiskQueue struct {
	sync.RWMutex
	// contains filtered or unexported fields
}

DiskQueue implements a filesystem backed FIFO queue

func (*DiskQueue) Close ¶

func (d *DiskQueue) Close() error

Close cleans up the queue and persists metadata

func (*DiskQueue) Delete ¶

func (d *DiskQueue) Delete() error

func (*DiskQueue) Depth ¶

func (d *DiskQueue) Depth() int64

Depth returns the depth of the queue

func (*DiskQueue) Empty ¶

func (d *DiskQueue) Empty() error

Empty destructively clears out any pending data in the queue by fast forwarding read positions and removing intermediate files

func (*DiskQueue) PeekChan ¶

func (d *DiskQueue) PeekChan() <-chan []byte

func (*DiskQueue) Put ¶

func (d *DiskQueue) Put(data []byte) error

Put writes a []byte to the queue

func (*DiskQueue) ReadChan ¶

func (d *DiskQueue) ReadChan() <-chan []byte

ReadChan returns the receive-only []byte channel for reading data

type Interface ¶

type Interface interface {
	Put([]byte) error
	ReadChan() <-chan []byte // this is expected to be an *unbuffered* channel
	PeekChan() <-chan []byte // this is expected to be an *unbuffered* channel
	Close() error
	Delete() error
	Depth() int64
	Empty() error
}

func New ¶

func New(opts ...Option) Interface

New instantiates an instance of DiskQueue, retrieving metadata from the filesystem and starting the read ahead goroutine

type LogLevel ¶

type LogLevel int

func (LogLevel) String ¶

func (l LogLevel) String() string

type Option ¶

type Option interface {
	// contains filtered or unexported methods
}

func WithDataDIR ¶

func WithDataDIR(dataDIR string) Option

func WithLogf ¶

func WithLogf(logf AppLogFunc) Option

func WithMaxBytesPerFile ¶

func WithMaxBytesPerFile(maxBytesPerFile int64) Option

func WithMaxMsgSize ¶

func WithMaxMsgSize(maxMsgSize int32) Option

func WithMinMsgSize ¶

func WithMinMsgSize(minMsgSize int32) Option

func WithName ¶

func WithName(name string) Option

func WithSyncEvery ¶

func WithSyncEvery(syncEvery int64) Option

func WithSyncTimeout ¶

func WithSyncTimeout(syncTimeout time.Duration) Option

Source Files ¶

View all Source files

diskq.go

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