wehub-resource-sync
103 lines
2.6 KiB
TypeScript
103 lines
2.6 KiB
TypeScript
import { Redis } from "ioredis";
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import { defaultReconnectOnError } from "@internal/redis";
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import { env } from "~/env.server";
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import { singleton } from "~/utils/singleton";
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import { logger } from "./logger.server";
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const KEY_PREFIX = "isw:";
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const DEFAULT_TTL_MS = 7 * 24 * 60 * 60 * 1000; // 7 days
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function buildKey(runFriendlyId: string, streamId: string): string {
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return `${KEY_PREFIX}${runFriendlyId}:${streamId}`;
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}
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function initializeRedis(): Redis | undefined {
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const host = env.CACHE_REDIS_HOST;
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if (!host) {
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return undefined;
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}
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return new Redis({
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connectionName: "inputStreamWaitpointCache",
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host,
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port: env.CACHE_REDIS_PORT,
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username: env.CACHE_REDIS_USERNAME,
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password: env.CACHE_REDIS_PASSWORD,
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keyPrefix: "tr:",
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enableAutoPipelining: true,
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reconnectOnError: defaultReconnectOnError,
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...(env.CACHE_REDIS_TLS_DISABLED === "true" ? {} : { tls: {} }),
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});
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}
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const redis = singleton("inputStreamWaitpointCache", initializeRedis);
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/**
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* Store a mapping from input stream to waitpoint ID in Redis.
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* Called when `.wait()` creates a new waitpoint.
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*/
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export async function setInputStreamWaitpoint(
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runFriendlyId: string,
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streamId: string,
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waitpointId: string,
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ttlMs?: number
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): Promise<void> {
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if (!redis) return;
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try {
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const key = buildKey(runFriendlyId, streamId);
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await redis.set(key, waitpointId, "PX", ttlMs ?? DEFAULT_TTL_MS);
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} catch (error) {
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logger.error("Failed to set input stream waitpoint cache", {
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runFriendlyId,
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streamId,
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error,
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});
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}
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}
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/**
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* Get the waitpoint ID for an input stream without deleting it.
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* Called from the `.send()` route before completing the waitpoint.
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*/
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export async function getInputStreamWaitpoint(
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runFriendlyId: string,
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streamId: string
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): Promise<string | null> {
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if (!redis) return null;
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try {
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const key = buildKey(runFriendlyId, streamId);
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return await redis.get(key);
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} catch (error) {
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logger.error("Failed to get input stream waitpoint cache", {
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runFriendlyId,
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streamId,
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error,
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});
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return null;
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}
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}
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/**
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* Delete the cache entry for an input stream waitpoint.
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* Called when a waitpoint is completed or timed out.
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*/
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export async function deleteInputStreamWaitpoint(
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runFriendlyId: string,
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streamId: string
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): Promise<void> {
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if (!redis) return;
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try {
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const key = buildKey(runFriendlyId, streamId);
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await redis.del(key);
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} catch (error) {
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logger.error("Failed to delete input stream waitpoint cache", {
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runFriendlyId,
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streamId,
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error,
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});
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}
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}
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