X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-sharp%2FServiceTypeBrowser.cs;h=e1356d00a4623cf1a2ddae808972273e6bebcafb;hb=94366b4c8e1e4c6b92353cf194cb972086f44a4a;hp=0334b963f097a1e0c5b77843b9d4ea6250d49f3a;hpb=ba12decc4413dedf22c06545d1ec5938efa8954a;p=catta diff --git a/avahi-sharp/ServiceTypeBrowser.cs b/avahi-sharp/ServiceTypeBrowser.cs index 0334b96..e1356d0 100644 --- a/avahi-sharp/ServiceTypeBrowser.cs +++ b/avahi-sharp/ServiceTypeBrowser.cs @@ -1,23 +1,60 @@ +/*** + 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.Runtime.InteropServices; +using System.Text; namespace Avahi { internal delegate void ServiceTypeBrowserCallback (IntPtr browser, int iface, Protocol proto, BrowserEvent bevent, - IntPtr type, IntPtr domain, IntPtr userdata); - + IntPtr type, IntPtr domain, LookupResultFlags flags, + IntPtr userdata); + public struct ServiceTypeInfo { public int NetworkInterface; public Protocol Protocol; public string Domain; public string ServiceType; + public LookupResultFlags Flags; } - public delegate void ServiceTypeInfoHandler (object o, ServiceTypeInfo info); - - public class ServiceTypeBrowser : IDisposable + public class ServiceTypeInfoArgs : EventArgs + { + private ServiceTypeInfo type; + + public ServiceTypeInfo ServiceType + { + get { return type; } + } + + public ServiceTypeInfoArgs (ServiceTypeInfo type) + { + this.type = type; + } + } + + public delegate void ServiceTypeInfoHandler (object o, ServiceTypeInfoArgs args); + + public class ServiceTypeBrowser : BrowserBase, IDisposable { private IntPtr handle; private ArrayList infos = new ArrayList (); @@ -25,13 +62,16 @@ namespace Avahi private int iface; private Protocol proto; private string domain; + private LookupFlags flags; + private ServiceTypeBrowserCallback cb; private ArrayList addListeners = new ArrayList (); private ArrayList removeListeners = new ArrayList (); - + [DllImport ("avahi-client")] private static extern IntPtr avahi_service_type_browser_new (IntPtr client, int iface, int proto, - IntPtr domain, ServiceTypeBrowserCallback cb, + byte[] domain, LookupFlags flags, + ServiceTypeBrowserCallback cb, IntPtr userdata); [DllImport ("avahi-client")] @@ -48,7 +88,7 @@ namespace Avahi Stop (false); } } - + public event ServiceTypeInfoHandler ServiceTypeRemoved { add { @@ -70,16 +110,19 @@ namespace Avahi { } - public ServiceTypeBrowser (Client client, string domain) : this (client, -1, Protocol.Unspecified, domain) + public ServiceTypeBrowser (Client client, string domain) : this (client, -1, Protocol.Unspecified, + domain, LookupFlags.None) { } - - public ServiceTypeBrowser (Client client, int iface, Protocol proto, string domain) + + public ServiceTypeBrowser (Client client, int iface, Protocol proto, string domain, LookupFlags flags) { this.client = client; this.iface = iface; this.proto = proto; this.domain = domain; + this.flags = flags; + cb = OnServiceTypeBrowserCallback; } ~ServiceTypeBrowser () @@ -94,25 +137,35 @@ namespace Avahi private void Start () { - if (handle != IntPtr.Zero || (addListeners.Count == 0 && removeListeners.Count == 0)) + if (client.Handle == IntPtr.Zero || handle != IntPtr.Zero || + (addListeners.Count == 0 && removeListeners.Count == 0)) return; - IntPtr domainPtr = Utility.StringToPtr (domain); - handle = avahi_service_type_browser_new (client.Handle, iface, (int) proto, domainPtr, - OnServiceTypeBrowserCallback, IntPtr.Zero); - Utility.Free (domainPtr); + lock (client) { + handle = avahi_service_type_browser_new (client.Handle, iface, (int) proto, + Utility.StringToBytes (domain), flags, + cb, IntPtr.Zero); + + if (handle == IntPtr.Zero) + client.ThrowError (); + } } private void Stop (bool force) { - if (handle != IntPtr.Zero && (force || (addListeners.Count == 0 && removeListeners.Count == 0))) { - avahi_service_type_browser_free (handle); - handle = IntPtr.Zero; + if (client.Handle != IntPtr.Zero && handle != IntPtr.Zero && + (force || (addListeners.Count == 0 && removeListeners.Count == 0))) { + + lock (client) { + avahi_service_type_browser_free (handle); + handle = IntPtr.Zero; + } } } private void OnServiceTypeBrowserCallback (IntPtr browser, int iface, Protocol proto, BrowserEvent bevent, - IntPtr type, IntPtr domain, IntPtr userdata) + IntPtr type, IntPtr domain, LookupResultFlags flags, + IntPtr userdata) { ServiceTypeInfo info; @@ -120,19 +173,24 @@ namespace Avahi info.Protocol = proto; info.Domain = Utility.PtrToString (domain); info.ServiceType = Utility.PtrToString (type); + info.Flags = flags; - infos.Add (info); - - if (bevent == BrowserEvent.Added) { + switch (bevent) { + case BrowserEvent.Added: infos.Add (info); foreach (ServiceTypeInfoHandler handler in addListeners) - handler (this, info); - } else { + handler (this, new ServiceTypeInfoArgs (info)); + break; + case BrowserEvent.Removed: infos.Remove (info); foreach (ServiceTypeInfoHandler handler in removeListeners) - handler (this, info); + handler (this, new ServiceTypeInfoArgs (info)); + break; + default: + EmitBrowserEvent (bevent); + break; } } }