Better logs for connection/component lifecycle

src/livekit/useECConnectionState.ts

@@ -137,13 +137,16 @@ async function connectAndPublish(
   livekitRoom.once(RoomEvent.SignalConnected, tracker.cacheWsConnect);
 
   try {
+    logger.info(`[Lifecycle] Connecting to livekit room ${sfuConfig!.url} ...`);
     await livekitRoom!.connect(sfuConfig!.url, sfuConfig!.jwt, {
       // Due to stability issues on Firefox we are testing the effect of different
       // timeouts, and allow these values to be set through the console
       peerConnectionTimeout: window.peerConnectionTimeout ?? 45000,
       websocketTimeout: window.websocketTimeout ?? 45000,
     });
+    logger.info(`[Lifecycle] ... connected to livekit room`);
   } catch (e) {
+    logger.error("[Lifecycle] Failed to connect", e);
     // LiveKit uses 503 to indicate that the server has hit its track limits.
     // https://github.com/livekit/livekit/blob/fcb05e97c5a31812ecf0ca6f7efa57c485cea9fb/pkg/service/rtcservice.go#L171
     // It also errors with a status code of 200 (yes, really) for room

src/room/GroupCallView.tsx

@@ -118,6 +118,13 @@ export const GroupCallView: FC<Props> = ({
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
 
+  useEffect(() => {
+    logger.info("[Lifecycle] GroupCallView Component mounted");
+    return (): void => {
+      logger.info("[Lifecycle] GroupCallView Component unmounted");
+    };
+  }, []);
+
   useEffect(() => {
     window.rtcSession = rtcSession;
     return (): void => {

src/room/InCallView.tsx

@@ -127,10 +127,23 @@ export const ActiveCall: FC<ActiveCallProps> = (props) => {
   const [vm, setVm] = useState<CallViewModel | null>(null);
 
   useEffect(() => {
+    logger.info(
+      `[Lifecycle] InCallView Component mounted, livekitroom state ${livekitRoom?.state}`,
+    );
     return (): void => {
-      livekitRoom?.disconnect().catch((e) => {
-        logger.error("Failed to disconnect from livekit room", e);
-      });
+      logger.info(
+        `[Lifecycle] InCallView Component unmounted, livekitroom state ${livekitRoom?.state}`,
+      );
+      livekitRoom
+        ?.disconnect()
+        .then(() => {
+          logger.info(
+            `[Lifecycle] Disconnected from livekite room, state:${livekitRoom?.state}`,
+          );
+        })
+        .catch((e) => {
+          logger.error("[Lifecycle] Failed to disconnect from livekit room", e);
+        });
     };
     // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);

src/room/LobbyView.tsx

@@ -5,7 +5,14 @@ SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
 Please see LICENSE in the repository root for full details.
 */
 
-import { type FC, useCallback, useMemo, useState, type JSX } from "react";
+import {
+  type FC,
+  useCallback,
+  useMemo,
+  useState,
+  type JSX,
+  useEffect,
+} from "react";
 import { useTranslation } from "react-i18next";
 import { type MatrixClient } from "matrix-js-sdk";
 import { Button } from "@vector-im/compound-web";
@@ -72,6 +79,13 @@ export const LobbyView: FC<Props> = ({
   onShareClick,
   waitingForInvite,
 }) => {
+  useEffect(() => {
+    logger.info("[Lifecycle] GroupCallView Component mounted");
+    return (): void => {
+      logger.info("[Lifecycle] GroupCallView Component unmounted");
+    };
+  }, []);
+
   const { t } = useTranslation();
   usePageTitle(matrixInfo.roomName);