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18 lines
863 B
TypeScript
18 lines
863 B
TypeScript
import { WebSocket } from "https://deno.land/std/ws/mod.ts"
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import { GatewayOpcode } from "../types/discord.ts"
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import { delay } from "https://deno.land/std/util/async.ts"
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// Discord requests null if no number has yet been sent by discord
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let previous_sequence_number: number | null = null
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// TODO: If a client does not receive a heartbeat ack between its attempts at sending heartbeats, it should immediately terminate the connection with a non-1000 close code, reconnect, and attempt to resume.
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export const send_constant_heartbeats = async (socket: WebSocket, interval: number) => {
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await delay(interval)
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socket.send(JSON.stringify({ op: GatewayOpcode.Heartbeat, d: previous_sequence_number }))
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send_constant_heartbeats(socket, interval)
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}
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export const update_previous_sequence_number = (sequence: number) => {
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previous_sequence_number = sequence
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}
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