Detect timeouts as server down

src/d2m/discord-packets.js

@@ -181,9 +181,14 @@ async function onPacket(client, message, listen) {
 	// Event dispatcher for OOYE bridge operations
 	if (listen === "full" && message.t) {
 		const alwaysRealTimeEvents = ["PRESENCE_UPDATE"]
+		const optionalEvents = ["TYPING_START"]
 		if (alwaysRealTimeEvents.includes(message.t) || homeserverStatus.homeserverStatus.isRealTime()) {
+			// real time
 			dispatchPacketToBridge(client, message)
+		} else if (optionalEvents.includes(message.t)) {
+			// when not real time, skip optional events
 		} else {
+			// queue required events
 			homeserverStatus.homeserverStatus.queuePacket(message)
 		}
 	}

src/m2d/event-dispatcher.js

@@ -171,7 +171,10 @@ async function sendError(roomID, source, type, e, payload) {
 			}
 		})
 	} catch (e) {
-		if (e instanceof mreq.MatrixServerError && [502, 503].includes(e.httpStatus) && e.errcode === "CX_SERVER_ERROR") {
+		if (
+			e.toString().includes("fetch failed")
+			|| (e instanceof mreq.MatrixServerError && [502, 503].includes(e.httpStatus) && e.errcode === "CX_SERVER_ERROR")
+		) {
 			// Matrix homeserver is down (reverse proxy indicated failure)
 			homeserverStatus.homeserverStatus.setErrorWithPacket(payload)
 		}