Files
plainleaf/plug-api/syscalls/mq.ts
T

80 lines
2.1 KiB
TypeScript

import { syscall } from "../syscall.ts";
import type { MQStats } from "../../plug-api/types/datastore.ts";
/**
* Implements a simple Message Queue system.
* @module
*/
/**
* Sends a message to a queue.
* @param queue the name of the queue to send the message to
* @param body the body of the message to send
*/
export function send(queue: string, body: any): Promise<void> {
return syscall("mq.send", queue, body);
}
/**
* Sends a batch of messages to a queue.
* @param queue the name of the queue
* @param bodies the bodies of the messages to send
*/
export function batchSend(
queue: string,
bodies: any[],
): Promise<void> {
return syscall("mq.batchSend", queue, bodies);
}
/**
* Flushes all messages from a queue.
* @param queue the name of the queue to subscribe to
*/
export function flushQueue(queue: string): Promise<void> {
return syscall("mq.flushQueue", queue);
}
/**
* Flushes all messages from all queues.
*/
export function flushAllQueues(): Promise<void> {
return syscall("mq.flushAllQueues");
}
/**
* Acknowledges a message from a queue, in case it needs to be explicitly acknowledged.
* @param queue the name of the queue the message came from
* @param id the id of the message to acknowledge
*/
export function ack(queue: string, id: string): Promise<void> {
return syscall("mq.ack", queue, id);
}
/**
* Acknowledges a batch of messages from a queue, in case they need to be explicitly acknowledged.
* @param queue the name of the queue the messages came from
* @param ids the ids of the messages to acknowledge
*/
export function batchAck(queue: string, ids: string[]): Promise<void> {
return syscall("mq.batchAck", queue, ids);
}
/**
* Retrieves stats on a particular queue.
* @param queue the name of the queue
*/
export function getQueueStats(queue?: string): Promise<MQStats> {
return syscall("mq.getQueueStats", queue);
}
/**
* Waits for a queue to become empty.
* @param queue the name of the queue
* @returns a promise that resolves when the queue is empty
*/
export function awaitEmptyQueue(queue: string): Promise<void> {
return syscall("mq.awaitEmptyQueue", queue);
}