From f08605a7f16a69d5d26aa7462b63868e40ec1541 Mon Sep 17 00:00:00 2001
From: Viktor Liu <17948409+lixmal@users.noreply.github.com>
Date: Mon, 6 Jan 2025 14:11:43 +0100
Subject: [PATCH] [client] Enable network map persistence by default (#3152)

---
 client/internal/connect.go | 3 +--
 client/internal/engine.go  | 2 +-
 client/server/server.go    | 2 ++
 3 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/client/internal/connect.go b/client/internal/connect.go
index 782984e27..5cbf54f75 100644
--- a/client/internal/connect.go
+++ b/client/internal/connect.go
@@ -382,8 +382,7 @@ func (c *ConnectClient) isContextCancelled() bool {
 // SetNetworkMapPersistence enables or disables network map persistence.
 // When enabled, the last received network map will be stored and can be retrieved
 // through the Engine's getLatestNetworkMap method. When disabled, any stored
-// network map will be cleared. This functionality is primarily used for debugging
-// and should not be enabled during normal operation.
+// network map will be cleared.
 func (c *ConnectClient) SetNetworkMapPersistence(enabled bool) {
 	c.engineMutex.Lock()
 	c.persistNetworkMap = enabled
diff --git a/client/internal/engine.go b/client/internal/engine.go
index 896104df8..86f3332a8 100644
--- a/client/internal/engine.go
+++ b/client/internal/engine.go
@@ -1597,7 +1597,7 @@ func (e *Engine) GetLatestNetworkMap() (*mgmProto.NetworkMap, error) {
 		return nil, nil
 	}
 
-	// Create a deep copy to avoid external modifications
+	log.Debugf("Retrieving latest network map with size %d bytes", proto.Size(e.latestNetworkMap))
 	nm, ok := proto.Clone(e.latestNetworkMap).(*mgmProto.NetworkMap)
 	if !ok {
 
diff --git a/client/server/server.go b/client/server/server.go
index 5640ffa39..cba5a1148 100644
--- a/client/server/server.go
+++ b/client/server/server.go
@@ -91,6 +91,8 @@ func New(ctx context.Context, configPath, logFile string) *Server {
 		signalProbe: internal.NewProbe(),
 		relayProbe:  internal.NewProbe(),
 		wgProbe:     internal.NewProbe(),
+
+		persistNetworkMap: true,
 	}
 }