From 1c03c249b028a5d2e474e14ec765816f070fbdf9 Mon Sep 17 00:00:00 2001
From: Herman Bilous <herman_bilous@epam.com>
Date: Tue, 5 Mar 2024 19:05:18 +0200
Subject: [PATCH] Add reconnect when InvalidStateError happens

---
 src/room/RTCEngine.ts | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/room/RTCEngine.ts b/src/room/RTCEngine.ts
index 6c54ff4d90..3368e00b3b 100644
--- a/src/room/RTCEngine.ts
+++ b/src/room/RTCEngine.ts
@@ -441,6 +441,12 @@ export default class RTCEngine extends (EventEmitter as new () => TypedEventEmit
   }
 
   private setupSignalClientCallbacks() {
+    const tryHandleInvalidStateError = (error: unknown, disconnectReason: ReconnectReason) => {
+      if (error instanceof DOMException && error.name === 'InvalidStateError') {
+        this.fullReconnectOnNext = true;
+        this.handleDisconnect('peerconnection failed', disconnectReason);
+      }
+    }
     // configure signaling client
     this.client.onAnswer = async (sd) => {
       if (!this.pcManager) {
@@ -456,6 +462,7 @@ export default class RTCEngine extends (EventEmitter as new () => TypedEventEmit
           ...this.logContext,
           RTCSdpType: sd.type,
         });
+        tryHandleInvalidStateError(error, ReconnectReason.RR_PUBLISHER_FAILED);
       }
     };
 
@@ -471,6 +478,7 @@ export default class RTCEngine extends (EventEmitter as new () => TypedEventEmit
           candidate,
           target,
         });
+        tryHandleInvalidStateError(error, ReconnectReason.RR_PUBLISHER_FAILED);
       });
     };
 
@@ -488,6 +496,7 @@ export default class RTCEngine extends (EventEmitter as new () => TypedEventEmit
         log.error(`failed to createSubscriberAnswerFromOffer: ${errorMessage}`, {
           ...this.logContext,
         });
+        tryHandleInvalidStateError(error, ReconnectReason.RR_PUBLISHER_FAILED);
       }
     };