X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-sharp%2FRecordBrowser.cs;fp=avahi-sharp%2FRecordBrowser.cs;h=0000000000000000000000000000000000000000;hb=f1de9dcaab953757252d51b4725cbfa36daa10a5;hp=ba5a983b9dea8bc2fbab30b32f67bfe01887a720;hpb=7a5b2f69af7d36d6cd4153142f125fa011784e03;p=catta diff --git a/avahi-sharp/RecordBrowser.cs b/avahi-sharp/RecordBrowser.cs deleted file mode 100644 index ba5a983..0000000 --- a/avahi-sharp/RecordBrowser.cs +++ /dev/null @@ -1,225 +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 -{ - - public delegate void RecordInfoHandler (object o, RecordInfoArgs args); - - internal delegate void RecordBrowserCallback (IntPtr browser, int iface, Protocol proto, BrowserEvent bevent, - IntPtr name, ushort clazz, ushort type, IntPtr rdata, int size, - LookupResultFlags flags, IntPtr userdata); - - public enum RecordClass { - In = 1 - } - - public enum RecordType { - A = 1, - Ns = 2, - Cname = 5, - Soa = 6, - Ptr = 12, - Hinfo = 13, - Mx = 15, - Txt = 16, - Aaa = 28, - Srv = 33 - } - - public struct RecordInfo - { - public int NetworkInterface; - public Protocol Protocol; - public string Name; - public RecordClass Class; - public RecordType Type; - public byte[] Data; - public LookupResultFlags Flags; - } - - public class RecordInfoArgs : EventArgs - { - private RecordInfo record; - - public RecordInfo Record { - get { return record; } - } - - public RecordInfoArgs (RecordInfo record) - { - this.record = record; - } - } - - public class RecordBrowser : BrowserBase, IDisposable - { - private IntPtr handle; - private ArrayList infos = new ArrayList (); - private Client client; - private int iface; - private Protocol proto; - private string name; - private RecordClass clazz; - private RecordType type; - private LookupFlags flags; - private RecordBrowserCallback cb; - - private ArrayList addListeners = new ArrayList (); - private ArrayList removeListeners = new ArrayList (); - - [DllImport ("avahi-client")] - private static extern IntPtr avahi_record_browser_new (IntPtr client, int iface, Protocol proto, - byte[] name, ushort clazz, ushort type, - LookupFlags flags, RecordBrowserCallback cb, - IntPtr userdata); - - - [DllImport ("avahi-client")] - private static extern void avahi_record_browser_free (IntPtr handle); - - public event RecordInfoHandler RecordAdded - { - add { - addListeners.Add (value); - Start (); - } - remove { - addListeners.Remove (value); - Stop (false); - } - } - - public event RecordInfoHandler RecordRemoved - { - add { - removeListeners.Add (value); - Start (); - } - remove { - removeListeners.Remove (value); - Stop (false); - } - } - - public RecordInfo[] Records - { - get { return (RecordInfo[]) infos.ToArray (typeof (RecordInfo)); } - } - - public RecordBrowser (Client client, string name, RecordType type) : - this (client, -1, Protocol.Unspecified, name, RecordClass.In, type, LookupFlags.None) - { - } - - public RecordBrowser (Client client, int iface, Protocol proto, string name, RecordClass clazz, - RecordType type, LookupFlags flags) - { - this.client = client; - this.iface = iface; - this.proto = proto; - this.name = name; - this.clazz = clazz; - this.type = type; - this.flags = flags; - cb = OnRecordBrowserCallback; - } - - ~RecordBrowser () - { - 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_record_browser_new (client.Handle, iface, proto, Utility.StringToBytes (name), - (ushort) clazz, (ushort) type, 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_record_browser_free (handle); - handle = IntPtr.Zero; - } - } - } - - private void OnRecordBrowserCallback (IntPtr browser, int iface, Protocol proto, BrowserEvent bevent, - IntPtr name, ushort clazz, ushort type, IntPtr rdata, int size, - LookupResultFlags flags, IntPtr userdata) - { - RecordInfo info; - info.NetworkInterface = iface; - info.Protocol = proto; - info.Name = Utility.PtrToString (name); - info.Class = (RecordClass) clazz; - info.Type = (RecordType) type; - info.Flags = flags; - info.Data = new byte[size]; - - if (rdata != IntPtr.Zero) { - Marshal.Copy (rdata, info.Data, 0, size); - } - - switch (bevent) { - case BrowserEvent.Added: - infos.Add (info); - - foreach (RecordInfoHandler handler in addListeners) - handler (this, new RecordInfoArgs (info)); - - break; - case BrowserEvent.Removed: - infos.Remove (info); - - foreach (RecordInfoHandler handler in removeListeners) - handler (this, new RecordInfoArgs (info)); - - break; - default: - EmitBrowserEvent (bevent); - break; - } - } - } -}