/// <summary>
/// Removes the announcer.
/// </summary>
/// <param name="announcer">The announcer.</param>
public void RemoveAnnouncer(ISsdpAnnouncer announcer)
{
lock (this.Announcers)
{
this.Announcers.Remove(announcer);
}
}
/// <summary>
/// Sends the search response message.
/// </summary>
protected void SendSearchResponse(SsdpMessage msg, ISsdpAnnouncer announcer)
{
// If we were stopped then don't bother sending this message
if (!this.Server.IsListening)
{
return;
}
// Determine matching locations to respond with
// If none are found then just respond with all of our locations
var locations = announcer.GetLocations(addr => addr.Equals(msg.Destination.Address)).ToArray();
if (!locations.Any())
{
locations = announcer.GetLocations(addr => addr.AddressFamily == msg.Source.AddressFamily).ToArray();
}
foreach (var location in locations)
{
var response = Protocol.CreateSearchResponse(location, msg.SearchType, announcer.USN, announcer.MaxAge, Protocol.DefaultUserAgent);
byte[] bytes = Encoding.ASCII.GetBytes(response);
Trace.WriteLine(string.Format("Sending SearchResponse [{0}, {1}] from {2} to {3}", msg.SearchType, msg.USN, this.Server.LocalEndpoint, msg.Source), AppInfo.Application);
this.Server.Send(bytes, bytes.Length, msg.Source);
}
}
/// <summary>
/// Sets the search responses.
/// </summary>
/// <param name="announcer">The announcer.</param>
/// <param name="respondToSearches">if set to <c>true</c> [respond to searches].</param>
public void SetRespondsToSearches(ISsdpAnnouncer announcer, bool respondToSearches)
{
lock (this.Announcers)
{
if (!this.Announcers.ContainsKey(announcer))
{
throw new KeyNotFoundException();
}
this.Announcers[announcer] = respondToSearches;
}
}
/// <summary>
/// Sends the search response message.
/// </summary>
protected void SendSearchResponse(SsdpMessage msg, ISsdpAnnouncer announcer)
{
this.Sockets.ForEachSocket(socket =>
{
// If we were stopped then don't bother sending this message
if (!socket.IsListening)
{
return;
}
var aliveResponse = Protocol.CreateAliveResponse(socket.Location.ToString(), msg.SearchType, announcer.USN, announcer.MaxAge, Protocol.DefaultUserAgent);
var bytes = Encoding.ASCII.GetBytes(aliveResponse);
Trace.WriteLine(string.Format("Sending SearchResponse [{0}, {1}] from {2} to {3}", msg.SearchType, msg.USN, socket.LocalEndpoint, msg.Source), AppInfo.Application);
socket.Send(bytes, bytes.Length, msg.Source);
});
}
private void SetupOnRemovedHandler(UpnpDevice device, ISsdpAnnouncer ad1, ISsdpAnnouncer ad2)
{
EventHandler <EventArgs <UpnpDevice> > onRemoved = null;
onRemoved = (sender, args) =>
{
ad1.Shutdown();
ad2.Shutdown();
this.SsdpServer.RemoveAnnouncer(ad1);
this.SsdpServer.RemoveAnnouncer(ad2);
device.Removed -= onRemoved;
};
device.Removed += onRemoved;
}
/// <summary>
/// Sends the search response message.
/// </summary>
protected void SendSearchResponse(SsdpMessage msg, ISsdpAnnouncer announcer)
{
this.Sockets.ForEachSocket(socket =>
{
// If we were stopped then don't bother sending this message
if (!socket.IsListening)
return;
var aliveResponse = Protocol.CreateAliveResponse(socket.Location.ToString(), msg.SearchType, announcer.USN, announcer.MaxAge, Protocol.DefaultUserAgent);
var bytes = Encoding.ASCII.GetBytes(aliveResponse);
Trace.WriteLine(string.Format("Sending SearchResponse [{0}, {1}] from {2} to {3}", msg.SearchType, msg.USN, socket.LocalEndpoint, msg.Source), AppInfo.Application);
socket.Send(bytes, bytes.Length, msg.Source);
});
}
/// <summary>
/// Sets the search responses.
/// </summary>
/// <param name="announcer">The announcer.</param>
/// <param name="respondToSearches">if set to <c>true</c> [respond to searches].</param>
public void SetRespondsToSearches(ISsdpAnnouncer announcer, bool respondToSearches)
{
lock (this.Announcers)
{
if (!this.Announcers.ContainsKey(announcer))
throw new KeyNotFoundException();
this.Announcers[announcer] = respondToSearches;
}
}
/// <summary>
/// Removes the announcer.
/// </summary>
/// <param name="announcer">The announcer.</param>
public void RemoveAnnouncer(ISsdpAnnouncer announcer)
{
lock (this.Announcers)
{
this.Announcers.Remove(announcer);
}
}
private void SetupOnRemovedHandler(UpnpDevice device, ISsdpAnnouncer ad1, ISsdpAnnouncer ad2)
{
EventHandler<EventArgs<UpnpDevice>> onRemoved = null;
onRemoved = (sender, args) =>
{
ad1.Shutdown();
ad2.Shutdown();
this.SsdpServer.RemoveAnnouncer(ad1);
this.SsdpServer.RemoveAnnouncer(ad2);
device.Removed -= onRemoved;
};
device.Removed += onRemoved;
}
