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authorJason A. Donenfeld <Jason@zx2c4.com>2019-02-04 21:30:33 +0100
committerJason A. Donenfeld <Jason@zx2c4.com>2019-02-06 01:52:31 +0100
commita26d620f11656532df14ce566a701d5c5cbb850e (patch)
tree3eaa298d2ead4533621127950430d3cece339783 /WireGuard/WireGuard
parentProject: Remove OS name from appex file name (diff)
downloadwireguard-apple-a26d620f11656532df14ce566a701d5c5cbb850e.tar.xz
wireguard-apple-a26d620f11656532df14ce566a701d5c5cbb850e.zip
TunnelsManager: cache access to configuration object
Supposedly we never change it once per object, so we do the objective C hack of adding it cached to the extension. This prevents 1000s of calls to the keychain and improves the speed of imports. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'WireGuard/WireGuard')
-rw-r--r--WireGuard/WireGuard/Tunnel/TunnelsManager.swift10
1 files changed, 9 insertions, 1 deletions
diff --git a/WireGuard/WireGuard/Tunnel/TunnelsManager.swift b/WireGuard/WireGuard/Tunnel/TunnelsManager.swift
index 93f75ff7..6bcf6f78 100644
--- a/WireGuard/WireGuard/Tunnel/TunnelsManager.swift
+++ b/WireGuard/WireGuard/Tunnel/TunnelsManager.swift
@@ -526,7 +526,15 @@ class TunnelContainer: NSObject {
}
extension NETunnelProviderManager {
+ private static var cachedConfigKey: UInt8 = 0
var tunnelConfiguration: TunnelConfiguration? {
- return (protocolConfiguration as? NETunnelProviderProtocol)?.asTunnelConfiguration(called: localizedDescription)
+ if let cached = objc_getAssociatedObject(self, &NETunnelProviderManager.cachedConfigKey) as? TunnelConfiguration {
+ return cached
+ }
+ let config = (protocolConfiguration as? NETunnelProviderProtocol)?.asTunnelConfiguration(called: localizedDescription)
+ if config != nil {
+ objc_setAssociatedObject(self, &NETunnelProviderManager.cachedConfigKey, config, objc_AssociationPolicy.OBJC_ASSOCIATION_RETAIN_NONATOMIC)
+ }
+ return config
}
}