X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-sharp%2FHostNameResolver.cs;h=81305fd778efd9c35b4ee3bdc7591b2e802d8de8;hb=f6dff945b503abc070952682a46920a27edc9093;hp=62f4149e0572063f079b1e4db5523a4e92690435;hpb=ba12decc4413dedf22c06545d1ec5938efa8954a;p=catta

diff --git a/avahi-sharp/HostNameResolver.cs b/avahi-sharp/HostNameResolver.cs
index 62f4149..81305fd 100644
--- a/avahi-sharp/HostNameResolver.cs
+++ b/avahi-sharp/HostNameResolver.cs
@@ -1,7 +1,29 @@
+/* $Id$ */
+
+/***
+  This file is part of avahi.
+
+  avahi is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Lesser General Public License as
+  published by the Free Software Foundation; either version 2.1 of the
+  License, or (at your option) any later version.
+
+  avahi is distributed in the hope that it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
+  Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with avahi; if not, write to the Free Software
+  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+  USA.
+***/
+
 using System;
 using System.Collections;
 using System.Net;
 using System.Runtime.InteropServices;
+using System.Text;
 using Mono.Unix;
 
 namespace Avahi
@@ -9,9 +31,9 @@ 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;
@@ -19,6 +41,8 @@ namespace Avahi
         private Protocol proto;
         private string hostname;
         private Protocol aproto;
+        private LookupFlags flags;
+        private HostNameResolverCallback cb;
 
         private IPAddress currentAddress;
         private string currentHost;
@@ -28,7 +52,7 @@ namespace Avahi
         
         [DllImport ("avahi-client")]
         private static extern IntPtr avahi_host_name_resolver_new (IntPtr client, int iface, Protocol proto,
-                                                                   IntPtr hostname, Protocol aproto,
+                                                                   byte[] hostname, Protocol aproto, LookupFlags flags,
                                                                    HostNameResolverCallback cb, IntPtr userdata);
 
         [DllImport ("avahi-client")]
@@ -69,18 +93,21 @@ 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;
         }
 
         ~HostNameResolver ()
@@ -95,39 +122,47 @@ 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,
-                                                   OnHostNameResolverCallback, IntPtr.Zero);
-            Utility.Free (hostPtr);
+            lock (client) {
+                handle = avahi_host_name_resolver_new (client.Handle, iface, proto,
+                                                       Utility.StringToBytes (hostname), aproto, flags,
+                                                       cb, IntPtr.Zero);
+
+                if (handle == IntPtr.Zero)
+                    client.ThrowError ();
+            }
         }
 
         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 ());
+                    handler (this, new HostAddressArgs (currentHost, currentAddress));
+                break;
+            case ResolverEvent.Failure:
+                EmitFailure (client.LastError);
+                break;
             }
         }
     }