X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-sharp%2FServiceBrowser.cs;fp=avahi-sharp%2FServiceBrowser.cs;h=0000000000000000000000000000000000000000;hb=f1de9dcaab953757252d51b4725cbfa36daa10a5;hp=5c39ad4bb8d457cfb68b7e084c0e5e46917e225b;hpb=7a5b2f69af7d36d6cd4153142f125fa011784e03;p=catta diff --git a/avahi-sharp/ServiceBrowser.cs b/avahi-sharp/ServiceBrowser.cs deleted file mode 100644 index 5c39ad4..0000000 --- a/avahi-sharp/ServiceBrowser.cs +++ /dev/null @@ -1,214 +0,0 @@ -/*** - 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.Net; -using System.Collections; -using System.Runtime.InteropServices; -using System.Text; - -namespace Avahi -{ - internal delegate void ServiceBrowserCallback (IntPtr browser, int iface, Protocol proto, BrowserEvent bevent, - IntPtr name, IntPtr type, IntPtr domain, LookupResultFlags flags, - IntPtr userdata); - - public struct ServiceInfo - { - public int NetworkInterface; - public Protocol Protocol; - public string Domain; - public string ServiceType; - public string Name; - - public string HostName; - public IPAddress Address; - public UInt16 Port; - public byte[][] Text; - public LookupResultFlags Flags; - - public static ServiceInfo Zero = new ServiceInfo (); - } - - public class ServiceInfoArgs : EventArgs - { - private ServiceInfo service; - - public ServiceInfo Service { - get { return service; } - } - - public ServiceInfoArgs (ServiceInfo service) - { - this.service = service; - } - } - - public delegate void ServiceInfoHandler (object o, ServiceInfoArgs args); - - public class ServiceBrowser : BrowserBase, IDisposable - { - private IntPtr handle; - private ArrayList infos = new ArrayList (); - private Client client; - private int iface; - private Protocol proto; - private string domain; - private string type; - private LookupFlags flags; - private ServiceBrowserCallback cb; - - private ArrayList addListeners = new ArrayList (); - private ArrayList removeListeners = new ArrayList (); - - [DllImport ("avahi-client")] - private static extern IntPtr avahi_service_browser_new (IntPtr client, int iface, int proto, byte[] type, - byte[] domain, LookupFlags flags, - ServiceBrowserCallback cb, - IntPtr userdata); - - [DllImport ("avahi-client")] - private static extern void avahi_service_browser_free (IntPtr handle); - - public event ServiceInfoHandler ServiceAdded - { - add { - addListeners.Add (value); - Start (); - } - remove { - addListeners.Remove (value); - Stop (false); - } - } - - public event ServiceInfoHandler ServiceRemoved - { - add { - removeListeners.Add (value); - Start (); - } - remove { - removeListeners.Remove (value); - Stop (false); - } - } - - public ServiceInfo[] Services - { - get { return (ServiceInfo[]) infos.ToArray (typeof (ServiceInfo)); } - } - - public ServiceBrowser (Client client, string type) : this (client, type, client.DomainName) - { - } - - public ServiceBrowser (Client client, string type, string domain) : this (client, -1, Protocol.Unspecified, - type, domain, LookupFlags.None) - { - } - - public ServiceBrowser (Client client, int iface, Protocol proto, string type, string domain, LookupFlags flags) - { - this.client = client; - this.iface = iface; - this.proto = proto; - this.domain = domain; - this.type = type; - this.flags = flags; - cb = OnServiceBrowserCallback; - } - - ~ServiceBrowser () - { - Dispose (); - } - - public void Dispose () - { - Stop (true); - } - - private void Start () - { - if (client.Handle == IntPtr.Zero || handle != IntPtr.Zero || - (addListeners.Count == 0 && removeListeners.Count == 0)) - return; - - lock (client) { - handle = avahi_service_browser_new (client.Handle, iface, (int) proto, - Utility.StringToBytes (type), Utility.StringToBytes (domain), - flags, cb, IntPtr.Zero); - - if (handle == IntPtr.Zero) - client.ThrowError (); - } - } - - private void Stop (bool force) - { - if (client.Handle != IntPtr.Zero && handle != IntPtr.Zero && - (force || (addListeners.Count == 0 && removeListeners.Count == 0))) { - - lock (client) { - avahi_service_browser_free (handle); - handle = IntPtr.Zero; - } - } - } - - private void OnServiceBrowserCallback (IntPtr browser, int iface, Protocol proto, BrowserEvent bevent, - IntPtr name, IntPtr type, IntPtr domain, LookupResultFlags flags, - IntPtr userdata) - { - - ServiceInfo info; - info.NetworkInterface = iface; - info.Protocol = proto; - info.Domain = Utility.PtrToString (domain); - info.ServiceType = Utility.PtrToString (type); - info.Name = Utility.PtrToString (name); - info.HostName = null; - info.Address = null; - info.Port = 0; - info.Text = null; - info.Flags = flags; - - switch (bevent) { - case BrowserEvent.Added: - infos.Add (info); - - foreach (ServiceInfoHandler handler in addListeners) - handler (this, new ServiceInfoArgs (info)); - - break; - case BrowserEvent.Removed: - infos.Remove (info); - - foreach (ServiceInfoHandler handler in removeListeners) - handler (this, new ServiceInfoArgs (info)); - - break; - default: - EmitBrowserEvent (bevent); - break; - } - } - } -}