4 files changed, 42 insertions, 4 deletions
diff --git a/src/gateway/events/Connection.ts b/src/gateway/events/Connection.ts
index 41b2ff3d..fff5aacf 100644
--- a/src/gateway/events/Connection.ts
+++ b/src/gateway/events/Connection.ts
@@ -1,5 +1,5 @@
 import WS from "ws";
-import { WebSocket } from "@fosscord/gateway";
+import { genSessionId, WebSocket } from "@fosscord/gateway";
 import { Send } from "../util/Send";
 import { CLOSECODES, OPCODES } from "../util/Constants";
 import { setHeartbeat } from "../util/Heartbeat";
@@ -30,6 +30,10 @@ export async function Connection(
 
 	socket.ipAddress = ipAddress;
 
+	//Create session ID when the connection is opened. This allows gateway dump to group the initial websocket messages with the rest of the conversation.
+	const session_id = genSessionId();
+	socket.session_id = session_id; //Set the session of the WebSocket object
+
 	try {
 		// @ts-ignore
 		socket.on("close", Close);
diff --git a/src/gateway/events/Message.ts b/src/gateway/events/Message.ts
index 6645dd22..97bbba83 100644
--- a/src/gateway/events/Message.ts
+++ b/src/gateway/events/Message.ts
@@ -5,6 +5,8 @@ import WS from "ws";
 import { PayloadSchema } from "@fosscord/util";
 import * as Sentry from "@sentry/node";
 import BigIntJson from "json-bigint";
+import path from "path";
+import fs from "fs/promises";
 const bigIntJson = BigIntJson({ storeAsString: true });
 
 var erlpack: any;
@@ -41,6 +43,21 @@ export async function Message(this: WebSocket, buffer: WS.Data) {
 	if (process.env.WS_VERBOSE)
 		console.log(`[Websocket] Incomming message: ${JSON.stringify(data)}`);
 
+	if (process.env.WS_DUMP) {
+		const id = this.session_id || "unknown";
+
+		await fs.mkdir(path.join("dump", this.session_id), { recursive: true });
+		await fs.writeFile(
+			path.join("dump", this.session_id, `${Date.now()}.in.json`),
+			JSON.stringify(data, null, 2),
+		);
+
+		if (!this.session_id)
+			console.log(
+				"[Gateway] Unknown session id, dumping to unknown folder",
+			);
+	}
+
 	check.call(this, PayloadSchema, data);
 
 	// @ts-ignore
diff --git a/src/gateway/opcodes/Identify.ts b/src/gateway/opcodes/Identify.ts
index 29b17643..1c3cab28 100644
--- a/src/gateway/opcodes/Identify.ts
+++ b/src/gateway/opcodes/Identify.ts
@@ -55,9 +55,7 @@ export async function onIdentify(this: WebSocket, data: Payload) {
 		return this.close(CLOSECODES.Authentication_failed);
 	}
 	this.user_id = decoded.id;
-
-	const session_id = genSessionId();
-	this.session_id = session_id; //Set the session of the WebSocket object
+	let session_id = this.session_id;
 
 	const [user, read_states, members, recipients, session, application] =
 		await Promise.all([
diff --git a/src/gateway/util/Send.ts b/src/gateway/util/Send.ts
index 1c0f33c3..c31233c8 100644
--- a/src/gateway/util/Send.ts
+++ b/src/gateway/util/Send.ts
@@ -7,8 +7,27 @@ try {
 	);
 }
 import { Payload, WebSocket } from "@fosscord/gateway";
+import fs from "fs/promises";
+import path from "path";
 
 export function Send(socket: WebSocket, data: Payload) {
+	if (process.env.WS_VERBOSE)
+		console.log(`[Websocket] Outgoing message: ${JSON.stringify(data)}`);
+
+	if (process.env.WS_DUMP) {
+		const id = socket.session_id || "unknown";
+
+		(async () => {
+			await fs.mkdir(path.join("dump", id), {
+				recursive: true,
+			});
+			await fs.writeFile(
+				path.join("dump", id, `${Date.now()}.out.json`),
+				JSON.stringify(data, null, 2),
+			);
+		})();
+	}
+
 	let buffer: Buffer | string;
 	if (socket.encoding === "etf") buffer = erlpack.pack(data);
 	// TODO: encode circular object