1 files changed, 141 insertions, 0 deletions
diff --git a/avahi-sharp/Client.cs b/avahi-sharp/Client.cs
new file mode 100644
index 0000000..99651cd
--- /dev/null
+++ b/avahi-sharp/Client.cs
@@ -0,0 +1,141 @@
+
+using System;
+using System.Collections;
+using System.Runtime.InteropServices;
+
+namespace Avahi
+{
+    internal enum ResolverEvent {
+        Found,
+        Timeout
+    }
+    
+    internal enum BrowserEvent {
+        Added,
+        Removed
+    }
+    
+    internal delegate void ClientHandler (IntPtr client, ClientState state, IntPtr userData);
+
+    public enum Protocol {
+        Unspecified = 0,
+        IPv4 = 2,
+        IPv6 = 10
+    }
+    
+    public enum ClientState {
+        Invalid,
+        Registering,
+        Running,
+        Collision,
+        Disconnected = 100
+    }
+    
+    public class Client : IDisposable
+    {
+        private IntPtr handle;
+
+        [DllImport ("avahi-client")]
+        private static extern IntPtr avahi_client_new (IntPtr poll, ClientHandler handler,
+                                                       IntPtr userData, out int error);
+
+        [DllImport ("avahi-client")]
+        private static extern void avahi_client_free (IntPtr handle);
+
+        [DllImport ("avahi-client")]
+        private static extern IntPtr avahi_client_get_version_string (IntPtr handle);
+
+        [DllImport ("avahi-client")]
+        private static extern IntPtr avahi_client_get_host_name (IntPtr handle);
+
+        [DllImport ("avahi-client")]
+        private static extern IntPtr avahi_client_get_domain_name (IntPtr handle);
+
+        [DllImport ("avahi-client")]
+        private static extern IntPtr avahi_client_get_host_name_fqdn (IntPtr handle);
+
+        [DllImport ("avahi-client")]
+        private static extern ClientState avahi_client_get_state (IntPtr handle);
+
+        [DllImport ("avahi-client")]
+        private static extern int avahi_client_errno (IntPtr handle);
+        
+        [DllImport ("avahi-glib")]
+        private static extern IntPtr avahi_glib_poll_new (IntPtr context, int priority);
+
+        [DllImport ("avahi-glib")]
+        private static extern IntPtr avahi_glib_poll_get (IntPtr gpoll);
+
+        internal IntPtr Handle
+        {
+            get { return handle; }
+        }
+        
+        public string Version
+        {
+            get { return Utility.PtrToString (avahi_client_get_version_string (handle)); }
+        }
+
+        public string HostName
+        {
+            get { return Utility.PtrToString (avahi_client_get_host_name (handle)); }
+        }
+
+        public string DomainName
+        {
+            get { return Utility.PtrToString (avahi_client_get_domain_name (handle)); }
+        }
+
+        public string HostNameFqdn
+        {
+            get { return Utility.PtrToString (avahi_client_get_host_name_fqdn (handle)); }
+        }
+
+        public ClientState State
+        {
+            get { return (ClientState) avahi_client_get_state (handle); }
+        }
+
+        internal int LastError
+        {
+            get { return avahi_client_errno (handle); }
+        }
+
+        public Client ()
+        {
+            IntPtr gpoll = avahi_glib_poll_new (IntPtr.Zero, 0);
+            IntPtr poll = avahi_glib_poll_get (gpoll);
+
+            int error;
+            handle = avahi_client_new (poll, OnClientCallback, IntPtr.Zero, out error);
+            if (error != 0)
+                throw new ClientException (error);
+        }
+
+        ~Client ()
+        {
+            Dispose ();
+        }
+
+        public void Dispose ()
+        {
+            if (handle != IntPtr.Zero) {
+                avahi_client_free (handle);
+                handle = IntPtr.Zero;
+            }
+        }
+
+        internal void CheckError ()
+        {
+            int error = LastError;
+
+            if (error != 0)
+                throw new ClientException (error);
+        }
+        
+        private void OnClientCallback (IntPtr client, ClientState state, IntPtr userData)
+        {
+            Console.WriteLine ("Got new state: " + state);
+        }
+    }
+}