50 lines
1.3 KiB
TypeScript
50 lines
1.3 KiB
TypeScript
import WebSocket from "@fosscord/gateway/util/WebSocket";
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var erlpack: any;
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try {
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erlpack = require("erlpack");
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} catch (error) {}
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import OPCodeHandlers from "../opcodes";
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import { Payload, CLOSECODES, OPCODES } from "@fosscord/gateway/util/Constants";
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import { instanceOf, Tuple } from "lambert-server";
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import { check } from "../opcodes/instanceOf";
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import WS from "ws";
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const PayloadSchema = {
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op: Number,
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$d: new Tuple(Object, Number), // or number for heartbeat sequence
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$s: Number,
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$t: String,
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};
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export async function Message(this: WebSocket, buffer: WS.Data) {
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// TODO: compression
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var data: Payload;
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if (this.encoding === "etf" && buffer instanceof Buffer)
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data = erlpack.unpack(buffer);
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else if (this.encoding === "json" && typeof buffer === "string")
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data = JSON.parse(buffer);
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else return;
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check.call(this, PayloadSchema, data);
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// @ts-ignore
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const OPCodeHandler = OPCodeHandlers[data.op];
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if (!OPCodeHandler) {
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console.error("[Gateway] Unkown opcode " + data.op);
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// TODO: if all opcodes are implemented comment this out:
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// this.close(CLOSECODES.Unknown_opcode);
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return;
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}
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console.log("[Gateway] Opcode " + OPCODES[data.op]);
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try {
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return await OPCodeHandler.call(this, data);
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} catch (error) {
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console.error(error);
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if (!this.CLOSED && this.CLOSING)
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return this.close(CLOSECODES.Unknown_error);
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}
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}
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