TunnelsManager: Cache isTunnelConfigurationAvailableInKeychain

This commit is contained in:
Roopesh Chander 2019-04-05 13:29:17 +05:30
parent d8d18fcb3d
commit 3a10eb0748
1 changed files with 12 additions and 1 deletions

View File

@ -465,7 +465,7 @@ class TunnelContainer: NSObject {
} }
var isTunnelConfigurationAvailableInKeychain: Bool { var isTunnelConfigurationAvailableInKeychain: Bool {
return (tunnelProvider.protocolConfiguration as? NETunnelProviderProtocol)?.verifyConfigurationReference() ?? false return tunnelProvider.isTunnelConfigurationAvailableInKeychain
} }
var onDemandOption: ActivateOnDemandOption { var onDemandOption: ActivateOnDemandOption {
@ -580,7 +580,18 @@ class TunnelContainer: NSObject {
} }
extension NETunnelProviderManager { extension NETunnelProviderManager {
private static var cachedIsConfigAvailableInKeychainKey: UInt8 = 0
private static var cachedConfigKey: UInt8 = 0 private static var cachedConfigKey: UInt8 = 0
var isTunnelConfigurationAvailableInKeychain: Bool {
if let cachedNumber = objc_getAssociatedObject(self, &NETunnelProviderManager.cachedIsConfigAvailableInKeychainKey) as? NSNumber {
return cachedNumber.boolValue
}
let isAvailable = (protocolConfiguration as? NETunnelProviderProtocol)?.verifyConfigurationReference() ?? false
objc_setAssociatedObject(self, &NETunnelProviderManager.cachedIsConfigAvailableInKeychainKey, NSNumber(value: isAvailable), objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
return isAvailable
}
var tunnelConfiguration: TunnelConfiguration? { var tunnelConfiguration: TunnelConfiguration? {
if let cached = objc_getAssociatedObject(self, &NETunnelProviderManager.cachedConfigKey) as? TunnelConfiguration { if let cached = objc_getAssociatedObject(self, &NETunnelProviderManager.cachedConfigKey) as? TunnelConfiguration {
return cached return cached