Fix error message when passing invalid command line arguments. I admit defeat, tedp...

[catta] / avahi-sharp / ServiceResolver.cs

diff --git a/avahi-sharp/ServiceResolver.cs b/avahi-sharp/ServiceResolver.cs
index e94bd13bba53d85d49399c5212778d2729542ac6..945372beb0bee363d54b486230cfaad0e2a36d03 100644 (file)
--- a/avahi-sharp/ServiceResolver.cs
+++ b/avahi-sharp/ServiceResolver.cs
@@ -23,6 +23,7 @@ using System;
 using System.Collections;
 using System.Net;
 using System.Runtime.InteropServices;
+using System.Text;
 using Mono.Unix;
 
 namespace Avahi
@@ -34,7 +35,7 @@ namespace Avahi
                                                     UInt16 port, IntPtr txt, LookupResultFlags flags,
                                                     IntPtr userdata);
 
-    public class ServiceResolver : IDisposable
+    public class ServiceResolver : ResolverBase, IDisposable
     {
         private IntPtr handle;
         private ServiceInfo currentInfo;
@@ -53,7 +54,7 @@ namespace Avahi
         
         [DllImport ("avahi-client")]
         private static extern IntPtr avahi_service_resolver_new (IntPtr client, int iface, Protocol proto,
-                                                                 IntPtr name, IntPtr type, IntPtr domain,
+                                                                 byte[] name, byte[] type, byte[] domain,
                                                                  Protocol aproto, LookupFlags flags,
                                                                  ServiceResolverCallback cb,
                                                                  IntPtr userdata);
@@ -145,18 +146,14 @@ namespace Avahi
                 (foundListeners.Count == 0 && timeoutListeners.Count == 0))
                 return;
 
-            IntPtr namePtr = Utility.StringToPtr (name);
-            IntPtr typePtr = Utility.StringToPtr (type);
-            IntPtr domainPtr = Utility.StringToPtr (domain);
-
             lock (client) {
-                handle = avahi_service_resolver_new (client.Handle, iface, proto, namePtr, typePtr, domainPtr,
-                                                     aproto, flags, cb, IntPtr.Zero);
+                handle = avahi_service_resolver_new (client.Handle, iface, proto,
+                                                     Utility.StringToBytes (name), Utility.StringToBytes (type),
+                                                     Utility.StringToBytes (domain), aproto, flags, cb, IntPtr.Zero);
+
+                if (handle == IntPtr.Zero)
+                    client.ThrowError ();
             }
-            
-            Utility.Free (namePtr);
-            Utility.Free (typePtr);
-            Utility.Free (domainPtr);
         }
 
         private void Stop (bool force)
@@ -199,17 +196,17 @@ namespace Avahi
 
             info.Text = (byte[][]) txtlist.ToArray (typeof (byte[]));
             info.Flags = flags;
-            
-            if (revent == ResolverEvent.Found) {
+
+            switch (revent) {
+            case ResolverEvent.Found:
                 currentInfo = info;
 
                 foreach (ServiceInfoHandler handler in foundListeners)
-                    handler (this, info);
-            } else {
-                currentInfo = ServiceInfo.Zero;
-                
-                foreach (EventHandler handler in timeoutListeners)
-                    handler (this, new EventArgs ());
+                    handler (this, new ServiceInfoArgs (info));
+                break;
+            case ResolverEvent.Failure:
+                EmitFailure (client.LastError);
+                break;
             }
         }