X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-sharp%2FAddressResolver.cs;h=c11e97d751f23be7c6630158a78b7ea979267502;hb=739912d481e5126fd8b3c65c2eaf3f472b1a2162;hp=a1bc7b28f402b44fa6f43bf10709949077591500;hpb=a21074b9ea4b11b74d114e2669248f979caf0d3a;p=catta diff --git a/avahi-sharp/AddressResolver.cs b/avahi-sharp/AddressResolver.cs index a1bc7b2..c11e97d 100644 --- a/avahi-sharp/AddressResolver.cs +++ b/avahi-sharp/AddressResolver.cs @@ -27,28 +27,53 @@ namespace Avahi { internal delegate void AddressResolverCallback (IntPtr resolver, int iface, Protocol proto, - ResolverEvent revent, Protocol aproto, IntPtr address, - IntPtr hostname, IntPtr userdata); + ResolverEvent revent, IntPtr address, + IntPtr hostname, LookupResultFlags flags, IntPtr userdata); - public delegate void HostAddressHandler (object o, string host, IPAddress address); - - public class AddressResolver : IDisposable + public delegate void HostAddressHandler (object o, HostAddressArgs args); + + public class HostAddressArgs : EventArgs + { + private string host; + private IPAddress address; + + public string Host + { + get { return host; } + } + + public IPAddress Address + { + get { return address; } + } + + public HostAddressArgs (string host, IPAddress address) + { + this.host = host; + this.address = address; + } + } + + public class AddressResolver : ResolverBase, IDisposable { private IntPtr handle; private Client client; private int iface; private Protocol proto; private IPAddress address; + private LookupFlags flags; + private AddressResolverCallback cb; private IPAddress currentAddress; private string currentHost; private ArrayList foundListeners = new ArrayList (); private ArrayList timeoutListeners = new ArrayList (); - + [DllImport ("avahi-client")] private static extern IntPtr avahi_address_resolver_new (IntPtr client, int iface, Protocol proto, - IntPtr address, AddressResolverCallback cb, + IntPtr address, LookupFlags flags, + AddressResolverCallback cb, IntPtr userdata); [DllImport ("avahi-client")] @@ -65,7 +90,7 @@ namespace Avahi Stop (false); } } - + public event EventHandler Timeout { add { @@ -88,16 +113,19 @@ namespace Avahi get { return currentHost; } } - public AddressResolver (Client client, IPAddress address) : this (client, -1, Protocol.Unspecified, address) + public AddressResolver (Client client, IPAddress address) : this (client, -1, Protocol.Unspecified, + address, LookupFlags.None) { } - public AddressResolver (Client client, int iface, Protocol proto, IPAddress address) + public AddressResolver (Client client, int iface, Protocol proto, IPAddress address, LookupFlags flags) { this.client = client; this.iface = iface; this.proto = proto; this.address = address; + this.flags = flags; + cb = OnAddressResolverCallback; } ~AddressResolver () @@ -112,39 +140,50 @@ 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, - OnAddressResolverCallback, IntPtr.Zero); + IntPtr addrPtr = Utility.AddressToPtr (address); + + lock (client) { + handle = avahi_address_resolver_new (client.Handle, iface, proto, addrPtr, flags, + cb, IntPtr.Zero); + + if (handle == IntPtr.Zero) + client.ThrowError (); + } + 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; + } } } private void OnAddressResolverCallback (IntPtr resolver, int iface, Protocol proto, - ResolverEvent revent, Protocol aproto, IntPtr address, - IntPtr hostname, IntPtr userdata) + ResolverEvent revent, IntPtr address, + IntPtr hostname, LookupResultFlags flags, IntPtr userdata) { - if (revent == ResolverEvent.Found) { + switch (revent) { + case ResolverEvent.Found: currentAddress = Utility.PtrToAddress (address); currentHost = Utility.PtrToString (hostname); foreach (HostAddressHandler handler in foundListeners) - handler (this, currentHost, currentAddress); - } else { - currentAddress = null; - currentHost = null; - - foreach (EventHandler handler in timeoutListeners) - handler (this, new EventArgs ()); + handler (this, new HostAddressArgs (currentHost, currentAddress)); + break; + case ResolverEvent.Failure: + EmitFailure (client.LastError); + break; } } }