first pass at updating to the 0.6 apis

[catta] / avahi-sharp / HostNameResolver.cs

diff --git a/avahi-sharp/HostNameResolver.cs b/avahi-sharp/HostNameResolver.cs
index a8cf0f17052d117cdf83313e6ea0c7dc9a90ebee..9780811408a1fb3b64567a189e31c8cffd4163a0 100644 (file)
--- a/avahi-sharp/HostNameResolver.cs
+++ b/avahi-sharp/HostNameResolver.cs
@@ -30,9 +30,9 @@ namespace Avahi
 
     internal delegate void HostNameResolverCallback (IntPtr resolver, int iface, Protocol proto,
                                                      ResolverEvent revent, IntPtr hostname, IntPtr address,
-                                                     IntPtr userdata);
+                                                     LookupResultFlags flags, IntPtr userdata);
 
-    public class HostNameResolver : IDisposable
+    public class HostNameResolver : ResolverBase, IDisposable
     {
         private IntPtr handle;
         private Client client;
@@ -40,6 +40,7 @@ namespace Avahi
         private Protocol proto;
         private string hostname;
         private Protocol aproto;
+        private LookupFlags flags;
         private HostNameResolverCallback cb;
 
         private IPAddress currentAddress;
@@ -50,7 +51,7 @@ namespace Avahi
         
         [DllImport ("avahi-client")]
         private static extern IntPtr avahi_host_name_resolver_new (IntPtr client, int iface, Protocol proto,
-                                                                   IntPtr hostname, Protocol aproto,
+                                                                   IntPtr hostname, Protocol aproto, LookupFlags flags,
                                                                    HostNameResolverCallback cb, IntPtr userdata);
 
         [DllImport ("avahi-client")]
@@ -91,18 +92,20 @@ namespace Avahi
         }
 
         public HostNameResolver (Client client, string hostname) : this (client, -1, Protocol.Unspecified,
-                                                                         hostname, Protocol.Unspecified)
+                                                                         hostname, Protocol.Unspecified,
+                                                                         LookupFlags.None)
         {
         }
 
         public HostNameResolver (Client client, int iface, Protocol proto, string hostname,
-                                 Protocol aproto)
+                                 Protocol aproto, LookupFlags flags)
         {
             this.client = client;
             this.iface = iface;
             this.proto = proto;
             this.hostname = hostname;
             this.aproto = aproto;
+            this.flags = flags;
             cb = OnHostNameResolverCallback;
         }
 
@@ -118,39 +121,47 @@ namespace Avahi
 
         private void Start ()
         {
-            if (handle != IntPtr.Zero || (foundListeners.Count == 0 && timeoutListeners.Count == 0))
+            if (client.Handle == IntPtr.Zero || handle != IntPtr.Zero ||
+                (foundListeners.Count == 0 && timeoutListeners.Count == 0))
                 return;
 
             IntPtr hostPtr = Utility.StringToPtr (hostname);
-            handle = avahi_host_name_resolver_new (client.Handle, iface, proto, hostPtr, aproto,
-                                                   cb, IntPtr.Zero);
+
+            lock (client) {
+                handle = avahi_host_name_resolver_new (client.Handle, iface, proto, hostPtr, aproto, flags,
+                                                       cb, IntPtr.Zero);
+            }
+            
             Utility.Free (hostPtr);
         }
 
         private void Stop (bool force)
         {
-            if (handle != IntPtr.Zero && (force || (foundListeners.Count == 0 && timeoutListeners.Count == 0))) {
-                avahi_host_name_resolver_free (handle);
-                handle = IntPtr.Zero;
+            if (client.Handle != IntPtr.Zero && handle != IntPtr.Zero &&
+                (force || (foundListeners.Count == 0 && timeoutListeners.Count == 0))) {
+
+                lock (client) {
+                    avahi_host_name_resolver_free (handle);
+                    handle = IntPtr.Zero;
+                }
             }
         }
 
         private void OnHostNameResolverCallback (IntPtr resolver, int iface, Protocol proto,
                                                  ResolverEvent revent, IntPtr hostname, IntPtr address,
-                                                 IntPtr userdata)
+                                                 LookupResultFlags flags, IntPtr userdata)
         {
-            if (revent == ResolverEvent.Found) {
+            switch (revent) {
+            case ResolverEvent.Found:
                 currentAddress = Utility.PtrToAddress (address);
                 currentHost = Utility.PtrToString (hostname);
 
                 foreach (HostAddressHandler handler in foundListeners)
                     handler (this, currentHost, currentAddress);
-            } else {
-                currentAddress = null;
-                currentHost = null;
-                
-                foreach (EventHandler handler in timeoutListeners)
-                    handler (this, new EventArgs ());
+                break;
+            case ResolverEvent.Failure:
+                EmitFailure (client.LastError);
+                break;
             }
         }
     }