REST: break monolith client on smaller proxies

1 files changed, 25 insertions, 0 deletions

diff --git a/ios/MullvadVPN/REST/RESTTaskIdentifier.swift b/ios/MullvadVPN/REST/RESTTaskIdentifier.swift
new file mode 100644
index 0000000000..412475bcbd
--- /dev/null
+++ b/ios/MullvadVPN/REST/RESTTaskIdentifier.swift
@@ -0,0 +1,25 @@
+//
+//  RESTTaskIdentifier.swift
+//  MullvadVPN
+//
+//  Created by pronebird on 16/04/2022.
+//  Copyright © 2022 Mullvad VPN AB. All rights reserved.
+//
+
+import Foundation
+
+extension REST {
+    private static let nslock = NSLock()
+    private static var taskCount: UInt32 = 0
+
+    static func getTaskIdentifier(name: String) -> String {
+        nslock.lock()
+        defer { nslock.unlock() }
+
+        let (partialValue, isOverflow) = taskCount.addingReportingOverflow(1)
+        let nextValue = isOverflow ? 1 : partialValue
+        taskCount = nextValue
+
+        return "\(name).\(nextValue)"
+    }
+}