void ClientServiceEvent(Mono.Ssdp.ServiceArgs args,
Action <DeviceAnnouncement> deviceHandler,
Action <ServiceAnnouncement> serviceHandler)
{
if (!args.Usn.StartsWith("uuid:"))
{
return;
}
var colon = args.Usn.IndexOf(':', 5);
var usn = colon == -1 ? args.Usn : args.Usn.Substring(0, colon);
if (args.Usn.Contains(":device:"))
{
var type = DeviceType.Parse(args.Service.ServiceType);
var device = new DeviceAnnouncement(this, type, usn, args.Service.Locations);
deviceHandler(device);
}
else if (args.Usn.Contains(":service:"))
{
var type = ServiceType.Parse(args.Service.ServiceType);
var service = new ServiceAnnouncement(this, type, usn, args.Service.Locations);
serviceHandler(service);
}
}
void ClientServiceAdded(object sender, Mono.Ssdp.ServiceArgs args)
{
ClientServiceEvent(args,
(device) => {
if (!devices.ContainsKey(device))
{
OnDeviceAdded(new DeviceEventArgs(device, UpnpOperation.Added));
devices.Add(device, device);
}
},
(service) => {
if (!services.ContainsKey(service))
{
OnServiceAdded(new ServiceEventArgs(service, UpnpOperation.Added));
services.Add(service, service);
}
}
);
}
void ClientServiceRemoved(object sender, Mono.Ssdp.ServiceArgs args)
{
ClientServiceEvent(args,
(device) => {
if (devices.ContainsKey(device))
{
device.Dispose();
OnDeviceRemoved(new DeviceEventArgs(device, UpnpOperation.Removed));
devices.Remove(device);
}
},
(service) => {
if (services.ContainsKey(service))
{
service.Dispose();
OnServiceRemoved(new ServiceEventArgs(service, UpnpOperation.Removed));
services.Remove(service);
}
}
);
}
private static void OnServiceOperation(object o, ServiceArgs args)
{
string action = null;
switch (args.Operation) {
case ServiceOperation.Added: action = "ADDED "; break;
case ServiceOperation.Updated: action = "UPDATED"; break;
case ServiceOperation.Removed: action = "REMOVED"; break;
}
Console.WriteLine ("{0}: [{1}] {2}", action, DateTime.Now, args.Usn);
if (verbose && args.Operation != ServiceOperation.Removed) {
Console.WriteLine (" Search Type : {0}", args.Service.ServiceType);
Console.WriteLine (" Expiration : {0}", args.Service.Expiration);
Console.WriteLine (" Locations ({0}) :", args.Service.LocationCount);
foreach (string location in args.Service.Locations) {
Console.WriteLine (" {0}", location);
}
Console.WriteLine ();
}
}
