From a60a2e861c5ce5c590888687f6a309f7ffeccd92 Mon Sep 17 00:00:00 2001
From: CloudWebRTC <duanweiwei1982@gmail.com>
Date: Tue, 20 Sep 2022 17:47:38 +0800
Subject: [PATCH] chore: Add simulate for candidate protocol switch. (#176)

---
 example/lib/exts.dart             | 1 +
 example/lib/widgets/controls.dart | 2 ++
 lib/src/core/room.dart            | 2 ++
 lib/src/core/signal_client.dart   | 4 ++++
 4 files changed, 9 insertions(+)

diff --git a/example/lib/exts.dart b/example/lib/exts.dart
index aa1504af..956924dd 100644
--- a/example/lib/exts.dart
+++ b/example/lib/exts.dart
@@ -174,5 +174,6 @@ enum SimulateScenarioResult {
   nodeFailure,
   migration,
   serverLeave,
+  switchCandidate,
   clear,
 }
diff --git a/example/lib/widgets/controls.dart b/example/lib/widgets/controls.dart
index dcdfc9bd..203816cb 100644
--- a/example/lib/widgets/controls.dart
+++ b/example/lib/widgets/controls.dart
@@ -222,6 +222,8 @@ class _ControlsWidgetState extends State<ControlsWidget> {
         nodeFailure: result == SimulateScenarioResult.nodeFailure ? true : null,
         migration: result == SimulateScenarioResult.migration ? true : null,
         serverLeave: result == SimulateScenarioResult.serverLeave ? true : null,
+        switchCandidate:
+            result == SimulateScenarioResult.switchCandidate ? true : null,
       );
     }
   }
diff --git a/lib/src/core/room.dart b/lib/src/core/room.dart
index 8fe5d5f5..3c1520b5 100644
--- a/lib/src/core/room.dart
+++ b/lib/src/core/room.dart
@@ -575,12 +575,14 @@ extension RoomDebugMethods on Room {
     bool? nodeFailure,
     bool? migration,
     bool? serverLeave,
+    bool? switchCandidate,
   }) async {
     engine.signalClient.sendSimulateScenario(
       speakerUpdate: speakerUpdate,
       nodeFailure: nodeFailure,
       migration: migration,
       serverLeave: serverLeave,
+      switchCandidate: switchCandidate,
     );
   }
 }
diff --git a/lib/src/core/signal_client.dart b/lib/src/core/signal_client.dart
index 688a31e9..c1fa1a72 100644
--- a/lib/src/core/signal_client.dart
+++ b/lib/src/core/signal_client.dart
@@ -438,6 +438,7 @@ extension SignalClientRequests on SignalClient {
     bool? nodeFailure,
     bool? migration,
     bool? serverLeave,
+    bool? switchCandidate,
   }) =>
       _sendRequest(lk_rtc.SignalRequest(
         simulate: lk_rtc.SimulateScenario(
@@ -445,6 +446,9 @@ extension SignalClientRequests on SignalClient {
           nodeFailure: nodeFailure,
           migration: migration,
           serverLeave: serverLeave,
+          switchCandidateProtocol: (switchCandidate != null && switchCandidate)
+              ? lk_rtc.CandidateProtocol.TCP
+              : null,
         ),
       ));
 }