From 49499e13b6d786928b6813681283618a742a063c Mon Sep 17 00:00:00 2001
From: Daniel <845765@qq.com>
Date: Sun, 11 Jun 2023 23:29:09 +0800
Subject: [PATCH] :art: Data synchronization supports the multi-kernel online
 perception https://github.com/siyuan-note/siyuan/issues/8518

---
 kernel/model/conf.go |  2 +-
 kernel/model/sync.go | 16 ++++++++++++++++
 2 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/kernel/model/conf.go b/kernel/model/conf.go
index 38baad500..14532bb67 100644
--- a/kernel/model/conf.go
+++ b/kernel/model/conf.go
@@ -509,7 +509,7 @@ func Close(force bool, execInstallPkg int) (exitCode int) {
 		time.Sleep(4 * time.Second)
 	}
 	logging.LogInfof("exited kernel")
-	webSocketConn.Close()
+	closeSyncWebSocket()
 	util.WebSocketServer.Close()
 	go func() {
 		time.Sleep(500 * time.Millisecond)
diff --git a/kernel/model/sync.go b/kernel/model/sync.go
index 50a4aeef0..08ace373a 100644
--- a/kernel/model/sync.go
+++ b/kernel/model/sync.go
@@ -372,6 +372,12 @@ func SetSyncEnable(b bool) {
 func SetSyncPerception(b bool) {
 	Conf.Sync.Perception = b
 	Conf.Save()
+
+	if b {
+		connectSyncWebSocket()
+	} else {
+		closeSyncWebSocket()
+	}
 	return
 }
 
@@ -641,6 +647,16 @@ var (
 	onlineKernelsLock = sync.Mutex{}
 )
 
+func closeSyncWebSocket() {
+	webSocketConnLock.Lock()
+	defer webSocketConnLock.Unlock()
+
+	if nil != webSocketConn {
+		webSocketConn.Close()
+		webSocketConn = nil
+	}
+}
+
 func connectSyncWebSocket() {
 	defer logging.Recover()