Improve oom-killer

HelperService/RootHelperService.swift

@@ -253,6 +253,11 @@ extension RootHelperService: RootHelperProtocol {
         reply(result, nil)
     }
 
+    func promoteOOMDraft(reply: @escaping (NSError?) -> Void) {
+        LibboxPromoteOOMDraftAt(WorkingDirectoryManager.extensionWorkingDirectoryPath)
+        reply(nil)
+    }
+
     func triggerGoCrash(reply: @escaping (NSError?) -> Void) {
         reply(nil)
         LibboxTriggerGoPanic()

Library/Network/ExtensionProfile.swift

@@ -62,6 +62,9 @@ public class ExtensionProfile: ObservableObject {
                 self.connection = connection
                 self.status = connection.status
                 self.connectedDate = connection.connectedDate
+                if connection.status == .disconnected {
+                    Self.schedulePromoteOOMDraft()
+                }
                 #if os(iOS)
                     if #available(iOS 16.0, *) {
                         if connection.status == .connected || connection.status == .disconnected {
@@ -73,6 +76,26 @@ public class ExtensionProfile: ObservableObject {
         }
     }
 
+    private static func schedulePromoteOOMDraft() {
+        Task.detached {
+            try? await Task.sleep(nanoseconds: 2 * NSEC_PER_SEC)
+            #if os(macOS)
+                if Variant.useSystemExtension {
+                    guard HelperServiceManager.rootHelperStatus == .enabled else {
+                        return
+                    }
+                    do {
+                        try RootHelperClient.shared.promoteOOMDraft()
+                    } catch {
+                        logger.warning("promote OOM draft: \(error.localizedDescription)")
+                    }
+                    return
+                }
+            #endif
+            LibboxPromoteOOMDraft()
+        }
+    }
+
     #if os(iOS)
         @available(iOS 16.0, *)
         private static func signalFileProviderChanges() {
@@ -291,7 +314,11 @@ public class ExtensionProfile: ObservableObject {
         if managers.isEmpty {
             return nil
         }
-        return ExtensionProfile(managers[0])
+        let profile = ExtensionProfile(managers[0])
+        if profile.status == .disconnected {
+            schedulePromoteOOMDraft()
+        }
+        return profile
     }
 
     public static func install() async throws {

Library/Network/ExtensionProvider.swift

@@ -176,6 +176,7 @@ open class ExtensionProvider: NEPacketTunnelProvider {
         if let setupError {
             throw ExtensionStartupError("(packet-tunnel) error: setup service: \(setupError.localizedDescription)")
         }
+        LibboxPromoteOOMDraft()
 
         var error: NSError?
         commandServer = LibboxNewCommandServer(platformInterface, platformInterface, &error)

Library/Network/RootHelperXPC.swift

@@ -193,6 +193,7 @@
         func registerMyInterface(name: String, reply: @escaping (NSError?) -> Void)
         func collectAllCrashArtifacts(reply: @escaping (CrashArtifactsResult?, NSError?) -> Void)
         func collectOOMReportArtifacts(reply: @escaping (OOMReportArtifactsResult?, NSError?) -> Void)
+        func promoteOOMDraft(reply: @escaping (NSError?) -> Void)
         func triggerGoCrash(reply: @escaping (NSError?) -> Void)
         func triggerNativeCrash(reply: @escaping (NSError?) -> Void)
     }
@@ -441,6 +442,12 @@
             }
         }
 
+        public func promoteOOMDraft() throws {
+            try performXPCCallVoid("promoteOOMDraft") { proxy, reply in
+                proxy.promoteOOMDraft(reply: reply)
+            }
+        }
+
         public func triggerGoCrash() throws {
             try performXPCCallVoid("triggerGoCrash") { proxy, reply in
                 proxy.triggerGoCrash(reply: reply)