X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-sharp%2FHostNameResolver.cs;h=fad5d77498c604dfe013e50174d3030f60561822;hb=c75a6b480b047abc73ee7afd912aef249e9da8e3;hp=a8cf0f17052d117cdf83313e6ea0c7dc9a90ebee;hpb=4d283fbd912fbeab578447ea18c0d8f47aa5cea6;p=catta

diff --git a/avahi-sharp/HostNameResolver.cs b/avahi-sharp/HostNameResolver.cs
index a8cf0f1..fad5d77 100644
--- a/avahi-sharp/HostNameResolver.cs
+++ b/avahi-sharp/HostNameResolver.cs
@@ -30,7 +30,7 @@ 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
     {
@@ -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;
         }
 
@@ -118,26 +121,35 @@ 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) {
                 currentAddress = Utility.PtrToAddress (address);