From b33fd5409cda246aa7b4eda53ce5a5eb2286c9ca Mon Sep 17 00:00:00 2001
From: Miguel de Icaza <miguel@MonoMac2008.local>
Date: Fri, 4 Dec 2009 12:06:54 -0500
Subject: [PATCH] Work around a limitation in the SCNetworkReachability api
 when using hostnames

---
 reachability/reachability.cs | 17 +++++++++++++----
 1 file changed, 13 insertions(+), 4 deletions(-)

diff --git a/reachability/reachability.cs b/reachability/reachability.cs
index 7c0f802f5..d5f1c6961 100644
--- a/reachability/reachability.cs
+++ b/reachability/reachability.cs
@@ -96,15 +96,24 @@ static bool IsNetworkAvaialable (out NetworkReachabilityFlags flags)
 	static NetworkReachability remoteHostReachability;
 	public static NetworkStatus RemoteHostStatus ()
 	{
+		NetworkReachabilityFlags flags;
+		bool reachable;
+		
 		if (remoteHostReachability == null){
 			remoteHostReachability = new NetworkReachability (HostName);
+
+			// Need to probe before we queue, or we wont get any meaningful values
+			// this only happens when you create NetworkReachability from a hostname
+			reachable = remoteHostReachability.TryGetFlags (out flags);
+			
 			remoteHostReachability.SetCallback (OnChange);
 			remoteHostReachability.Schedule (CFRunLoop.Current, CFRunLoop.ModeDefault);
-		}
-		NetworkReachabilityFlags flags;
-		if (!remoteHostReachability.TryGetFlags (out flags))
-			return NetworkStatus.NotReachable;
+		} else
+			reachable = remoteHostReachability.TryGetFlags (out flags);			
 		
+		if (!reachable)
+			return NetworkStatus.NotReachable;
+
 		if (!IsReachableWithoutRequiringConnection (flags))
 			return NetworkStatus.NotReachable;