queue

package

v0.0.13 Latest Latest Go to latest Published: Aug 29, 2025 License: Apache-2.0, MIT Imports: 7 Imported by: 0

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github.com/storacha/piri

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Documentation ¶

Index ¶

func Setup(ctx context.Context, db *sql.DB) error
type ID
type Message
type NewOpts
type Queue
- func New(opts NewOpts) (*Queue, error)

Constants ¶

This section is empty.

Variables ¶

This section is empty.

Functions ¶

func Setup ¶

func Setup(ctx context.Context, db *sql.DB) error

Setup the queue in the database.

Types ¶

type ID ¶

type ID string

type Message ¶

type Message struct {
	ID       ID
	Delay    time.Duration
	Received int
	Body     []byte
}

type NewOpts ¶

type NewOpts struct {
	DB         *sql.DB
	MaxReceive int // Max receive count for messages before they cannot be received anymore.
	Name       string
	Timeout    time.Duration // Default timeout for messages before they can be re-received.
}

type Queue ¶

type Queue struct {
	// contains filtered or unexported fields
}

func New ¶

func New(opts NewOpts) (*Queue, error)

New Queue with the given options. Defaults if not given: - Logs are discarded. - Max receive count is 3. - Timeout is five seconds.

func (*Queue) Delete ¶

func (q *Queue) Delete(ctx context.Context, id ID) error

Delete a Message from the queue by id.

func (*Queue) Extend ¶

func (q *Queue) Extend(ctx context.Context, id ID, delay time.Duration) error

Extend a Message timeout by the given delay from now.

func (*Queue) MaxReceive ¶

func (q *Queue) MaxReceive() int

func (*Queue) Receive ¶

func (q *Queue) Receive(ctx context.Context) (*Message, error)

Receive a Message from the queue, or nil if there is none.

func (*Queue) ReceiveAndWait ¶

func (q *Queue) ReceiveAndWait(ctx context.Context, interval time.Duration) (*Message, error)

ReceiveAndWait for a Message from the queue, polling at the given interval, until the context is cancelled. If the context is cancelled, the error will be non-nil. See context.Context.Err.

func (*Queue) Send ¶

func (q *Queue) Send(ctx context.Context, m Message) error

Send a Message to the queue with an optional delay.

func (*Queue) SendAndGetID ¶

func (q *Queue) SendAndGetID(ctx context.Context, m Message) (ID, error)

SendAndGetID is like Send, but also returns the message ID, which can be used to interact with the message without receiving it first.

func (*Queue) SendTx ¶

func (q *Queue) SendTx(ctx context.Context, tx *sql.Tx, m Message) error

SendTx is like Send, but within an existing transaction.

func (*Queue) Timeout ¶

func (q *Queue) Timeout() time.Duration

Source Files ¶

View all Source files

queue.go

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