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authorJames Willcox <snopr@snorp.net>2005-09-14 02:32:27 +0000
committerJames Willcox <snopr@snorp.net>2005-09-14 02:32:27 +0000
commit264700bf97de2e4430494cb41201950162fba020 (patch)
treeb7131e3afc84e0459e17860a43208b21b6286362
parent4a10eaeee609b84972ef2b2d0a0fab8a3664891a (diff)
lose the dep on avahi-glib, and run the avahi loop in a thread
git-svn-id: file:///home/lennart/svn/public/avahi/trunk@580 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe
-rw-r--r--avahi-sharp/AddressResolver.cs21
-rw-r--r--avahi-sharp/Client.cs115
-rw-r--r--avahi-sharp/DomainBrowser.cs22
-rw-r--r--avahi-sharp/EntryGroup.cs49
-rw-r--r--avahi-sharp/HostNameResolver.cs21
-rw-r--r--avahi-sharp/ServiceBrowser.cs20
-rw-r--r--avahi-sharp/ServiceResolver.cs22
-rw-r--r--avahi-sharp/ServiceTypeBrowser.cs23
8 files changed, 222 insertions, 71 deletions
diff --git a/avahi-sharp/AddressResolver.cs b/avahi-sharp/AddressResolver.cs
index 6b0d030..c462346 100644
--- a/avahi-sharp/AddressResolver.cs
+++ b/avahi-sharp/AddressResolver.cs
@@ -116,20 +116,29 @@ namespace Avahi
private void Start ()
{
- if (handle != IntPtr.Zero || (foundListeners.Count == 0 && timeoutListeners.Count == 0))
+ if (client.Handle == IntPtr.Zero || handle != IntPtr.Zero ||
+ (foundListeners.Count == 0 && timeoutListeners.Count == 0))
return;
IntPtr addrPtr = Utility.StringToPtr (address.ToString ());
- handle = avahi_address_resolver_new (client.Handle, iface, proto, addrPtr,
- cb, IntPtr.Zero);
+
+ lock (client) {
+ handle = avahi_address_resolver_new (client.Handle, iface, proto, addrPtr,
+ cb, IntPtr.Zero);
+ }
+
Utility.Free (addrPtr);
}
private void Stop (bool force)
{
- if (handle != IntPtr.Zero && (force || (foundListeners.Count == 0 && timeoutListeners.Count == 0))) {
- avahi_address_resolver_free (handle);
- handle = IntPtr.Zero;
+ if (client.Handle != IntPtr.Zero && handle != IntPtr.Zero &&
+ (force || (foundListeners.Count == 0 && timeoutListeners.Count == 0))) {
+
+ lock (client) {
+ avahi_address_resolver_free (handle);
+ handle = IntPtr.Zero;
+ }
}
}
diff --git a/avahi-sharp/Client.cs b/avahi-sharp/Client.cs
index 84069fc..c3584c5 100644
--- a/avahi-sharp/Client.cs
+++ b/avahi-sharp/Client.cs
@@ -21,6 +21,7 @@
using System;
+using System.Threading;
using System.Collections;
using System.Runtime.InteropServices;
@@ -35,7 +36,8 @@ namespace Avahi
Added,
Removed
}
-
+
+ internal delegate int PollCallback (IntPtr ufds, uint nfds, int timeout);
internal delegate void ClientCallback (IntPtr client, ClientState state, IntPtr userData);
public delegate void ClientStateHandler (object o, ClientState state);
@@ -57,6 +59,11 @@ namespace Avahi
public class Client : IDisposable
{
private IntPtr handle;
+ private ClientCallback cb;
+ private PollCallback pollcb;
+ private IntPtr spoll;
+
+ private Thread thread;
[DllImport ("avahi-client")]
private static extern IntPtr avahi_client_new (IntPtr poll, ClientCallback handler,
@@ -83,11 +90,26 @@ namespace Avahi
[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-common")]
+ private static extern IntPtr avahi_simple_poll_new ();
+
+ [DllImport ("avahi-common")]
+ private static extern IntPtr avahi_simple_poll_get (IntPtr spoll);
+
+ [DllImport ("avahi-common")]
+ private static extern void avahi_simple_poll_free (IntPtr spoll);
+
+ [DllImport ("avahi-common")]
+ private static extern int avahi_simple_poll_iterate (IntPtr spoll, int timeout);
- [DllImport ("avahi-glib")]
- private static extern IntPtr avahi_glib_poll_get (IntPtr gpoll);
+ [DllImport ("avahi-common")]
+ private static extern void avahi_simple_poll_set_func (IntPtr spoll, PollCallback cb);
+
+ [DllImport ("avahi-common")]
+ private static extern void avahi_simple_poll_quit (IntPtr spoll);
+
+ [DllImport ("libc")]
+ private static extern int poll(IntPtr ufds, uint nfds, int timeout);
public event ClientStateHandler StateChanged;
@@ -98,43 +120,75 @@ namespace Avahi
public string Version
{
- get { return Utility.PtrToString (avahi_client_get_version_string (handle)); }
+ get {
+ lock (this) {
+ return Utility.PtrToString (avahi_client_get_version_string (handle));
+ }
+ }
}
public string HostName
{
- get { return Utility.PtrToString (avahi_client_get_host_name (handle)); }
+ get {
+ lock (this) {
+ return Utility.PtrToString (avahi_client_get_host_name (handle));
+ }
+ }
}
public string DomainName
{
- get { return Utility.PtrToString (avahi_client_get_domain_name (handle)); }
+ get {
+ lock (this) {
+ return Utility.PtrToString (avahi_client_get_domain_name (handle));
+ }
+ }
}
public string HostNameFqdn
{
- get { return Utility.PtrToString (avahi_client_get_host_name_fqdn (handle)); }
+ get {
+ lock (this) {
+ return Utility.PtrToString (avahi_client_get_host_name_fqdn (handle));
+ }
+ }
}
public ClientState State
{
- get { return (ClientState) avahi_client_get_state (handle); }
+ get {
+ lock (this) {
+ return (ClientState) avahi_client_get_state (handle);
+ }
+ }
}
internal int LastError
{
- get { return avahi_client_errno (handle); }
+ get {
+ lock (this) {
+ return avahi_client_errno (handle);
+ }
+ }
}
public Client ()
{
- IntPtr gpoll = avahi_glib_poll_new (IntPtr.Zero, 0);
- IntPtr poll = avahi_glib_poll_get (gpoll);
+ spoll = avahi_simple_poll_new ();
+
+ pollcb = OnPollCallback;
+ avahi_simple_poll_set_func (spoll, pollcb);
+ IntPtr poll = avahi_simple_poll_get (spoll);
+ cb = OnClientCallback;
int error;
- handle = avahi_client_new (poll, OnClientCallback, IntPtr.Zero, out error);
+ handle = avahi_client_new (poll, cb, IntPtr.Zero, out error);
if (error != 0)
throw new ClientException (error);
+
+ thread = new Thread (PollLoop);
+ thread.IsBackground = true;
+ thread.Start ();
}
~Client ()
@@ -144,9 +198,15 @@ namespace Avahi
public void Dispose ()
{
- if (handle != IntPtr.Zero) {
- avahi_client_free (handle);
- handle = IntPtr.Zero;
+ lock (this) {
+ if (handle != IntPtr.Zero) {
+ thread.Abort ();
+
+ avahi_client_free (handle);
+ avahi_simple_poll_quit (spoll);
+ avahi_simple_poll_free (spoll);
+ handle = IntPtr.Zero;
+ }
}
}
@@ -163,5 +223,26 @@ namespace Avahi
if (StateChanged != null)
StateChanged (this, state);
}
+
+ private int OnPollCallback (IntPtr ufds, uint nfds, int timeout) {
+ Monitor.Exit (this);
+ int result = poll (ufds, nfds, timeout);
+ Monitor.Enter (this);
+ return result;
+ }
+
+ private void PollLoop () {
+ try {
+ lock (this) {
+ while (true) {
+ if (avahi_simple_poll_iterate (spoll, -1) != 0)
+ break;
+ }
+ }
+ } catch (ThreadAbortException e) {
+ } catch (Exception e) {
+ Console.Error.WriteLine ("Error in avahi-sharp event loop: " + e);
+ }
+ }
}
}
diff --git a/avahi-sharp/DomainBrowser.cs b/avahi-sharp/DomainBrowser.cs
index cc93641..76438f8 100644
--- a/avahi-sharp/DomainBrowser.cs
+++ b/avahi-sharp/DomainBrowser.cs
@@ -122,20 +122,26 @@ 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_domain_browser_new (client.Handle, iface, (int) proto, domainPtr, (int) btype,
- cb, IntPtr.Zero);
- Utility.Free (domainPtr);
+ lock (client) {
+ IntPtr domainPtr = Utility.StringToPtr (domain);
+ handle = avahi_domain_browser_new (client.Handle, iface, (int) proto, domainPtr, (int) btype,
+ cb, IntPtr.Zero);
+ Utility.Free (domainPtr);
+ }
}
private void Stop (bool force)
{
- if (handle != IntPtr.Zero && (force || (addListeners.Count == 0 && removeListeners.Count == 0))) {
- avahi_domain_browser_free (handle);
- handle = IntPtr.Zero;
+ if (client.Handle != IntPtr.Zero && handle != IntPtr.Zero &&
+ (force || (addListeners.Count == 0 && removeListeners.Count == 0))) {
+ lock (client) {
+ avahi_domain_browser_free (handle);
+ handle = IntPtr.Zero;
+ }
}
}
diff --git a/avahi-sharp/EntryGroup.cs b/avahi-sharp/EntryGroup.cs
index d69e8a6..142029a 100644
--- a/avahi-sharp/EntryGroup.cs
+++ b/avahi-sharp/EntryGroup.cs
@@ -40,6 +40,7 @@ namespace Avahi
{
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);
@@ -77,19 +78,31 @@ namespace Avahi
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);
+ client.CheckError ();
+ }
}
~EntryGroup ()
@@ -99,22 +112,28 @@ namespace Avahi
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) {
+ avahi_entry_group_commit (handle);
+ client.CheckError ();
+ }
}
public void Reset ()
{
- avahi_entry_group_reset (handle);
- client.CheckError ();
+ lock (client) {
+ avahi_entry_group_reset (handle);
+ client.CheckError ();
+ }
}
public void AddService (string name, string type, string domain,
@@ -140,8 +159,12 @@ namespace Avahi
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);
+
+ lock (client) {
+ avahi_entry_group_add_service_strlst (handle, iface, proto, namePtr, typePtr, domainPtr,
+ hostPtr, port, list);
+ }
+
avahi_string_list_free (list);
client.CheckError ();
diff --git a/avahi-sharp/HostNameResolver.cs b/avahi-sharp/HostNameResolver.cs
index a8cf0f1..d522cea 100644
--- a/avahi-sharp/HostNameResolver.cs
+++ b/avahi-sharp/HostNameResolver.cs
@@ -118,20 +118,29 @@ namespace Avahi
private void Start ()
{
- if (handle != IntPtr.Zero || (foundListeners.Count == 0 && timeoutListeners.Count == 0))
+ if (client.Handle == IntPtr.Zero || handle != IntPtr.Zero ||
+ (foundListeners.Count == 0 && timeoutListeners.Count == 0))
return;
IntPtr hostPtr = Utility.StringToPtr (hostname);
- handle = avahi_host_name_resolver_new (client.Handle, iface, proto, hostPtr, aproto,
- cb, IntPtr.Zero);
+
+ lock (client) {
+ handle = avahi_host_name_resolver_new (client.Handle, iface, proto, hostPtr, aproto,
+ cb, IntPtr.Zero);
+ }
+
Utility.Free (hostPtr);
}
private void Stop (bool force)
{
- if (handle != IntPtr.Zero && (force || (foundListeners.Count == 0 && timeoutListeners.Count == 0))) {
- avahi_host_name_resolver_free (handle);
- handle = IntPtr.Zero;
+ if (client.Handle != IntPtr.Zero && handle != IntPtr.Zero &&
+ (force || (foundListeners.Count == 0 && timeoutListeners.Count == 0))) {
+
+ lock (client) {
+ avahi_host_name_resolver_free (handle);
+ handle = IntPtr.Zero;
+ }
}
}
diff --git a/avahi-sharp/ServiceBrowser.cs b/avahi-sharp/ServiceBrowser.cs
index a96040c..5da7ea4 100644
--- a/avahi-sharp/ServiceBrowser.cs
+++ b/avahi-sharp/ServiceBrowser.cs
@@ -129,22 +129,30 @@ 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);
IntPtr typePtr = Utility.StringToPtr (type);
- handle = avahi_service_browser_new (client.Handle, iface, (int) proto, typePtr, domainPtr,
- cb, IntPtr.Zero);
+
+ lock (client) {
+ handle = avahi_service_browser_new (client.Handle, iface, (int) proto, typePtr, domainPtr,
+ cb, IntPtr.Zero);
+ }
Utility.Free (domainPtr);
Utility.Free (typePtr);
}
private void Stop (bool force)
{
- if (handle != IntPtr.Zero && (force || (addListeners.Count == 0 && removeListeners.Count == 0))) {
- avahi_service_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_browser_free (handle);
+ handle = IntPtr.Zero;
+ }
}
}
diff --git a/avahi-sharp/ServiceResolver.cs b/avahi-sharp/ServiceResolver.cs
index 558ba53..8e8464b 100644
--- a/avahi-sharp/ServiceResolver.cs
+++ b/avahi-sharp/ServiceResolver.cs
@@ -135,14 +135,19 @@ namespace Avahi
private void Start ()
{
- if (handle != IntPtr.Zero || (foundListeners.Count == 0 && timeoutListeners.Count == 0))
+ if (client.Handle == IntPtr.Zero || handle != IntPtr.Zero ||
+ (foundListeners.Count == 0 && timeoutListeners.Count == 0))
return;
IntPtr namePtr = Utility.StringToPtr (name);
IntPtr typePtr = Utility.StringToPtr (type);
IntPtr domainPtr = Utility.StringToPtr (domain);
- handle = avahi_service_resolver_new (client.Handle, iface, proto, namePtr, typePtr, domainPtr,
- aproto, cb, IntPtr.Zero);
+
+ lock (client) {
+ handle = avahi_service_resolver_new (client.Handle, iface, proto, namePtr, typePtr, domainPtr,
+ aproto, cb, IntPtr.Zero);
+ }
+
Utility.Free (namePtr);
Utility.Free (typePtr);
Utility.Free (domainPtr);
@@ -150,9 +155,13 @@ namespace Avahi
private void Stop (bool force)
{
- if (handle != IntPtr.Zero && (force || (foundListeners.Count == 0 && timeoutListeners.Count == 0))) {
- avahi_service_resolver_free (handle);
- handle = IntPtr.Zero;
+ if (client.Handle != IntPtr.Zero && handle != IntPtr.Zero &&
+ (force || (foundListeners.Count == 0 && timeoutListeners.Count == 0))) {
+
+ lock (client) {
+ avahi_service_resolver_free (handle);
+ handle = IntPtr.Zero;
+ }
}
}
@@ -161,7 +170,6 @@ namespace Avahi
IntPtr domain, IntPtr host, IntPtr address,
UInt16 port, IntPtr txt, IntPtr userdata)
{
-
ServiceInfo info;
info.NetworkInterface = iface;
info.Protocol = proto;
diff --git a/avahi-sharp/ServiceTypeBrowser.cs b/avahi-sharp/ServiceTypeBrowser.cs
index e436da9..ab6a866 100644
--- a/avahi-sharp/ServiceTypeBrowser.cs
+++ b/avahi-sharp/ServiceTypeBrowser.cs
@@ -117,20 +117,27 @@ 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,
- cb, IntPtr.Zero);
- Utility.Free (domainPtr);
+ lock (client) {
+ IntPtr domainPtr = Utility.StringToPtr (domain);
+ handle = avahi_service_type_browser_new (client.Handle, iface, (int) proto, domainPtr,
+ cb, IntPtr.Zero);
+ Utility.Free (domainPtr);
+ }
}
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;
+ }
}
}