+/***
+ 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.Runtime.InteropServices;
-
+using System.Text;
+using Mono.Unix;
namespace Avahi
{
+ [Flags]
+ public enum PublishFlags {
+ None = 0,
+ Unique = 1,
+ NoProbe = 2,
+ NoAnnounce = 4,
+ AllowMultiple = 8,
+ NoReverse = 16,
+ NoCookie = 32,
+ Update = 64,
+ UseWideArea = 128,
+ UseMulticast = 256
+ }
+
public enum EntryGroupState {
Uncommited,
Registering,
Established,
- Collision
+ Collision,
+ Failure
+ }
+
+ public class EntryGroupStateArgs : EventArgs
+ {
+ private EntryGroupState state;
+
+ public EntryGroupState State
+ {
+ get { return state; }
+ }
+
+ public EntryGroupStateArgs (EntryGroupState state)
+ {
+ this.state = state;
+ }
}
internal delegate void EntryGroupCallback (IntPtr group, EntryGroupState state, IntPtr userdata);
- public delegate void EntryGroupStateHandler (object o, EntryGroupState state);
-
+ public delegate void EntryGroupStateHandler (object o, EntryGroupStateArgs args);
+
public class EntryGroup : IDisposable
{
private Client client;
private IntPtr handle;
-
+ private EntryGroupCallback cb;
+
[DllImport ("avahi-client")]
private static extern IntPtr avahi_entry_group_new (IntPtr client, EntryGroupCallback cb, IntPtr userdata);
[DllImport ("avahi-client")]
- private static extern void avahi_entry_group_commit (IntPtr group);
+ private static extern int avahi_entry_group_commit (IntPtr group);
[DllImport ("avahi-client")]
- private static extern void avahi_entry_group_reset (IntPtr group);
+ private static extern int avahi_entry_group_reset (IntPtr group);
[DllImport ("avahi-client")]
private static extern EntryGroupState avahi_entry_group_get_state (IntPtr group);
private static extern bool avahi_entry_group_is_empty (IntPtr group);
[DllImport ("avahi-client")]
- private static extern void avahi_entry_group_add_service_strlst (IntPtr group, int iface, Protocol proto,
- IntPtr name, IntPtr type, IntPtr domain,
- IntPtr host, UInt16 port, IntPtr strlst);
-
+ private static extern int avahi_entry_group_add_service_strlst (IntPtr group, int iface, Protocol proto,
+ PublishFlags flags, byte[] name, byte[] type,
+ byte[] domain, byte[] host, UInt16 port,
+ IntPtr strlst);
+
+ [DllImport ("avahi-client")]
+ private static extern int avahi_entry_group_update_service_strlst (IntPtr group, int iface, Protocol proto,
+ PublishFlags flags, byte[] name,
+ byte[] type, byte[] domain, IntPtr strlst);
+
+ [DllImport ("avahi-client")]
+ private static extern int avahi_entry_group_add_service_subtype (IntPtr group, int iface, Protocol proto,
+ PublishFlags flags, byte[] name, byte[] type,
+ byte[] domain, byte[] subtype);
+
+ [DllImport ("avahi-client")]
+ private static extern int avahi_entry_group_add_address (IntPtr group, int iface, Protocol proto,
+ PublishFlags flags, byte[] name, IntPtr address);
+
+
+ [DllImport ("avahi-client")]
+ private static extern int avahi_entry_group_add_record (IntPtr group, int iface, Protocol proto,
+ PublishFlags flags, byte[] name, RecordClass clazz,
+ RecordType type, uint ttl, byte[] rdata, int size);
+
[DllImport ("avahi-client")]
private static extern void avahi_entry_group_free (IntPtr group);
private static extern IntPtr avahi_string_list_new (IntPtr txt);
[DllImport ("avahi-common")]
- private static extern void avahi_string_list_add (IntPtr list, IntPtr txt);
+ private static extern IntPtr avahi_string_list_add (IntPtr list, byte[] txt);
[DllImport ("avahi-common")]
private static extern void avahi_string_list_free (IntPtr list);
+ [DllImport ("avahi-common")]
+ private static extern IntPtr avahi_alternative_service_name (byte[] name);
+
public event EntryGroupStateHandler StateChanged;
-
+
public EntryGroupState State
{
- get { return avahi_entry_group_get_state (handle); }
+ get {
+ lock (client) {
+ return avahi_entry_group_get_state (handle);
+ }
+ }
}
public bool IsEmpty
{
- get { return avahi_entry_group_is_empty (handle); }
+ get {
+ lock (client) {
+ return avahi_entry_group_is_empty (handle);
+ }
+ }
}
-
+
public EntryGroup (Client client)
{
this.client = client;
- handle = avahi_entry_group_new (client.Handle, OnEntryGroupCallback, IntPtr.Zero);
- client.CheckError ();
+ cb = OnEntryGroupCallback;
+
+ lock (client) {
+ handle = avahi_entry_group_new (client.Handle, cb, IntPtr.Zero);
+ if (handle == IntPtr.Zero)
+ client.ThrowError ();
+ }
}
~EntryGroup ()
public void Dispose ()
{
- if (handle != IntPtr.Zero) {
- avahi_entry_group_free (handle);
- handle = IntPtr.Zero;
+ if (client.Handle != IntPtr.Zero && handle != IntPtr.Zero) {
+ lock (client) {
+ avahi_entry_group_free (handle);
+ handle = IntPtr.Zero;
+ }
}
}
public void Commit ()
{
- avahi_entry_group_commit (handle);
- client.CheckError ();
+ lock (client) {
+ if (avahi_entry_group_commit (handle) < 0)
+ client.ThrowError ();
+ }
}
public void Reset ()
{
- avahi_entry_group_reset (handle);
- client.CheckError ();
+ lock (client) {
+ if (avahi_entry_group_reset (handle) < 0)
+ client.ThrowError ();
+ }
}
public void AddService (string name, string type, string domain,
- UInt16 port, string[] txt)
+ UInt16 port, params string[] txt)
{
- AddService (-1, Protocol.Unspecified, name, type, domain, null, port, txt);
+ AddService (PublishFlags.None, name, type, domain, port, txt);
}
- public void AddService (int iface, Protocol proto, string name, string type, string domain,
- string host, UInt16 port, string[] txt)
+ public void AddService (PublishFlags flags, string name, string type, string domain,
+ UInt16 port, params string[] txt)
+ {
+ AddService (-1, Protocol.Unspecified, flags, name, type, domain, null, port, txt);
+ }
+
+ public void AddService (int iface, Protocol proto, PublishFlags flags, string name, string type, string domain,
+ string host, UInt16 port, params string[] txt)
{
IntPtr list = avahi_string_list_new (IntPtr.Zero);
if (txt != null) {
foreach (string item in txt) {
- IntPtr itemPtr = Utility.StringToPtr (item);
- avahi_string_list_add (list, itemPtr);
- Utility.Free (itemPtr);
+ list = avahi_string_list_add (list, Utility.StringToBytes (item));
+ }
+ }
+
+ AddService (iface, proto, flags, name, type, domain, host, port, list);
+ }
+
+ public void AddService (int iface, Protocol proto, PublishFlags flags, string name, string type, string domain,
+ string host, UInt16 port, params byte[][] txt)
+ {
+ IntPtr list = avahi_string_list_new (IntPtr.Zero);
+
+ if (txt != null) {
+ foreach (byte[] item in txt) {
+ list = avahi_string_list_add (list, item);
}
}
- IntPtr namePtr = Utility.StringToPtr (name);
- IntPtr typePtr = Utility.StringToPtr (type);
- IntPtr domainPtr = Utility.StringToPtr (domain);
- IntPtr hostPtr = Utility.StringToPtr (host);
- avahi_entry_group_add_service_strlst (handle, iface, proto, namePtr, typePtr, domainPtr,
- hostPtr, port, list);
+ AddService (iface, proto, flags, name, type, domain, host, port, list);
+ }
+
+ private void AddService (int iface, Protocol proto, PublishFlags flags, string name, string type,
+ string domain, string host, UInt16 port, IntPtr list)
+ {
+ int ret;
+
+ lock (client) {
+ ret = avahi_entry_group_add_service_strlst (handle, iface, proto, flags,
+ Utility.StringToBytes (name),
+ Utility.StringToBytes (type),
+ Utility.StringToBytes (domain),
+ Utility.StringToBytes (host), port, list);
+ }
+
avahi_string_list_free (list);
- client.CheckError ();
-
- Console.WriteLine ("Added service: {0}, {1}, {2}, {3}, {4}", name, type, domain, host, port);
+ if (ret < 0) {
+ client.ThrowError ();
+ }
+ }
+
+ public void UpdateService (string name, string type, string domain, params string[] txt)
+ {
+ UpdateService (-1, Protocol.Unspecified, PublishFlags.None, name, type, domain, txt);
+ }
+
+ public void UpdateService (int iface, Protocol proto, PublishFlags flags, string name, string type,
+ string domain, params string[] txt)
+ {
+ IntPtr list = avahi_string_list_new (IntPtr.Zero);
+
+ if (txt != null) {
+ foreach (string item in txt) {
+ list = avahi_string_list_add (list, Utility.StringToBytes (item));
+ }
+ }
+
+ UpdateService (iface, proto, flags, name, type, domain, list);
+ }
+
+ public void UpdateService (int iface, Protocol proto, PublishFlags flags, string name, string type,
+ string domain, params byte[][] txt)
+ {
+ IntPtr list = avahi_string_list_new (IntPtr.Zero);
+
+ if (txt != null) {
+ foreach (byte[] item in txt) {
+ list = avahi_string_list_add (list, item);
+ }
+ }
+
+ UpdateService (iface, proto, flags, name, type, domain, list);
+ }
+
+ private void UpdateService (int iface, Protocol proto, PublishFlags flags, string name, string type,
+ string domain, IntPtr list)
+ {
+ lock (client) {
+ int ret = avahi_entry_group_update_service_strlst (handle, iface, proto, flags,
+ Utility.StringToBytes (name),
+ Utility.StringToBytes (type),
+ Utility.StringToBytes (domain),
+ list);
+
+ avahi_string_list_free (list);
+
+ if (ret < 0) {
+ client.ThrowError ();
+ }
+ }
+ }
+
+ public void AddServiceSubtype (string name, string type, string domain, string subtype)
+ {
+ AddServiceSubtype (-1, Protocol.Unspecified, PublishFlags.None, name, type, domain, subtype);
+ }
+
+ public void AddServiceSubtype (int iface, Protocol proto, PublishFlags flags, string name,
+ string type, string domain, string subtype)
+ {
+ lock (client) {
+ int ret = avahi_entry_group_add_service_subtype (handle, iface, proto, flags,
+ Utility.StringToBytes (name),
+ Utility.StringToBytes (type),
+ Utility.StringToBytes (domain),
+ Utility.StringToBytes (subtype));
+
+ if (ret < 0) {
+ client.ThrowError ();
+ }
+ }
+ }
+
+ public void AddAddress (string name, IPAddress address)
+ {
+ AddAddress (-1, Protocol.Unspecified, PublishFlags.None, name, address);
+ }
+
+ public void AddAddress (int iface, Protocol proto, PublishFlags flags, string name, IPAddress address)
+ {
+ IntPtr addressPtr = Utility.AddressToPtr (address);
+
+ lock (client) {
+ int ret = avahi_entry_group_add_address (handle, iface, proto, flags,
+ Utility.StringToBytes (name), addressPtr);
+
+ Utility.Free (addressPtr);
+
+ if (ret < 0) {
+ client.ThrowError ();
+ }
+ }
+ }
+
+ public void AddRecord (string name, RecordClass clazz, RecordType type, uint ttl, byte[] rdata, int length)
+ {
+ AddRecord (-1, Protocol.Unspecified, PublishFlags.None, name, clazz, type, ttl, rdata, length);
+ }
+
+ public void AddRecord (int iface, Protocol proto, PublishFlags flags, string name,
+ RecordClass clazz, RecordType type, uint ttl, byte[] rdata, int length)
+ {
+ lock (client) {
+ int ret = avahi_entry_group_add_record (handle, iface, proto, flags,
+ Utility.StringToBytes (name),
+ clazz, type, ttl, rdata, length);
+
+ if (ret < 0) {
+ client.ThrowError ();
+ }
+ }
+ }
+
+ public static string GetAlternativeServiceName (string name) {
+ return Utility.PtrToStringFree (avahi_alternative_service_name (Utility.StringToBytes (name)));
}
private void OnEntryGroupCallback (IntPtr group, EntryGroupState state, IntPtr userdata)
{
if (StateChanged != null)
- StateChanged (this, state);
+ StateChanged (this, new EntryGroupStateArgs (state));
}
}
}