X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-sharp%2FServiceBrowser.cs;h=5c39ad4bb8d457cfb68b7e084c0e5e46917e225b;hb=975c6ee564162419cfb589ee2d3f497c2b11e8c9;hp=d7ae558e8481323e1ffeb3bc577fdee47db99176;hpb=a21074b9ea4b11b74d114e2669248f979caf0d3a;p=catta diff --git a/avahi-sharp/ServiceBrowser.cs b/avahi-sharp/ServiceBrowser.cs index d7ae558..5c39ad4 100644 --- a/avahi-sharp/ServiceBrowser.cs +++ b/avahi-sharp/ServiceBrowser.cs @@ -21,12 +21,14 @@ 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, IntPtr userdata); - + IntPtr name, IntPtr type, IntPtr domain, LookupResultFlags flags, + IntPtr userdata); + public struct ServiceInfo { public int NetworkInterface; @@ -35,17 +37,32 @@ namespace Avahi public string ServiceType; public string Name; - public string Host; + public string HostName; public IPAddress Address; public UInt16 Port; public byte[][] Text; + public LookupResultFlags Flags; public static ServiceInfo Zero = new ServiceInfo (); } - public delegate void ServiceInfoHandler (object o, ServiceInfo info); - - public class ServiceBrowser : IDisposable + 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 (); @@ -54,13 +71,16 @@ namespace Avahi 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, IntPtr type, - IntPtr domain, ServiceBrowserCallback cb, + 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")] @@ -77,7 +97,7 @@ namespace Avahi Stop (false); } } - + public event ServiceInfoHandler ServiceRemoved { add { @@ -98,21 +118,21 @@ namespace Avahi 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) + type, domain, LookupFlags.None) { } - - public ServiceBrowser (Client client, int iface, Protocol proto, string type, string domain) + + 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 () @@ -127,27 +147,35 @@ 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, - OnServiceBrowserCallback, IntPtr.Zero); - Utility.Free (domainPtr); - Utility.Free (typePtr); + 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 (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; + } } } private void OnServiceBrowserCallback (IntPtr browser, int iface, Protocol proto, BrowserEvent bevent, - IntPtr name, IntPtr type, IntPtr domain, IntPtr userdata) + IntPtr name, IntPtr type, IntPtr domain, LookupResultFlags flags, + IntPtr userdata) { ServiceInfo info; @@ -156,23 +184,30 @@ namespace Avahi info.Domain = Utility.PtrToString (domain); info.ServiceType = Utility.PtrToString (type); info.Name = Utility.PtrToString (name); - info.Host = null; + info.HostName = null; info.Address = null; info.Port = 0; info.Text = null; + info.Flags = flags; - infos.Add (info); - - if (bevent == BrowserEvent.Added) { + switch (bevent) { + case BrowserEvent.Added: infos.Add (info); foreach (ServiceInfoHandler handler in addListeners) - handler (this, info); - } else { + handler (this, new ServiceInfoArgs (info)); + + break; + case BrowserEvent.Removed: infos.Remove (info); foreach (ServiceInfoHandler handler in removeListeners) - handler (this, info); + handler (this, new ServiceInfoArgs (info)); + + break; + default: + EmitBrowserEvent (bevent); + break; } } }