/// <summary>
/// Constructs a MediaServerDiscovery object.
/// </summary>
/// <param name="onServerAddedCallback">null, if not interested in the OnServerSeen event; otherwise adds the callback to the multicasted event</param>
/// <param name="onServerRemovedCallback">null, if not interested in the OnServerGone event; otherwise adds the callback to the multicasted event</param>
/// <param name="onGoodServerAddedCallback">null, if not interested in the OnGoodServerAdded event; strongly recommended that this is not null; otherwise adds the callback to the multicasted event</param>
/// <param name="onGoodServerRemovedCallback">null, if not interested in the OnGoodServerRemoved event; otherwise adds the callback to the multicasted event</param>
public MediaServerDiscovery(
Delegate_OnServerDeviceChange onServerAddedCallback,
Delegate_OnServerDeviceChange onServerRemovedCallback,
Delegate_OnGoodServersChange onGoodServerAddedCallback,
Delegate_OnGoodServersChange onGoodServerRemovedCallback
)
{
if (onServerAddedCallback != null)
{
this.OnServerSeen += onServerAddedCallback;
}
if (onServerRemovedCallback != null)
{
this.OnServerGone += onServerRemovedCallback;
}
if (onGoodServerAddedCallback != null)
{
this.OnGoodServerAdded += onGoodServerAddedCallback;
}
if (onGoodServerRemovedCallback != null)
{
this.OnGoodServerRemoved += onGoodServerRemovedCallback;
}
CpMediaServer[] servers = null;
CpMediaServer[] goodServers = null;
TheLock.WaitOne();
if (TheInstance != null)
{
servers = TheInstance.GoodServers;
goodServers = TheInstance.GoodServers;
}
else
{
TheInstance = new _MediaServerDiscovery(true);
}
TheLock.ReleaseMutex();
TheInstance.OnCpServerAdded += new _MediaServerDiscovery.Delegate_OnGoodServersChange(this.Sink_OnGoodServerAdded);
TheInstance.OnCpServerRemoved += new _MediaServerDiscovery.Delegate_OnGoodServersChange(this.Sink_OnGoodServerRemoved);
TheInstance.OnServerSeen += new _MediaServerDiscovery.Delegate_OnServerDeviceChange(this.Sink_OnServerAdded);
TheInstance.OnServerGone += new _MediaServerDiscovery.Delegate_OnServerDeviceChange(this.Sink_OnServerRemoved);
if (servers != null)
{
if (this.OnServerSeen != null)
{
foreach (CpMediaServer server in servers)
{
if (servers.Length > 0)
{
this.OnServerSeen(this, server.ConnectionManager.GetUPnPService().ParentDevice);
}
}
}
}
if (goodServers != null)
{
if (this.OnGoodServerAdded != null)
{
foreach (CpMediaServer server in goodServers)
{
if (servers.Length > 0)
{
this.OnGoodServerAdded(this, server);
}
}
}
}
}
/// <summary>
/// Constructs a MediaServerDiscovery object.
/// </summary>
/// <param name="onServerAddedCallback">null, if not interested in the OnServerSeen event; otherwise adds the callback to the multicasted event</param>
/// <param name="onServerRemovedCallback">null, if not interested in the OnServerGone event; otherwise adds the callback to the multicasted event</param>
/// <param name="onGoodServerAddedCallback">null, if not interested in the OnGoodServerAdded event; strongly recommended that this is not null; otherwise adds the callback to the multicasted event</param>
/// <param name="onGoodServerRemovedCallback">null, if not interested in the OnGoodServerRemoved event; otherwise adds the callback to the multicasted event</param>
public MediaServerDiscovery
(
Delegate_OnServerDeviceChange onServerAddedCallback,
Delegate_OnServerDeviceChange onServerRemovedCallback,
Delegate_OnGoodServersChange onGoodServerAddedCallback,
Delegate_OnGoodServersChange onGoodServerRemovedCallback
)
{
if (onServerAddedCallback != null)
{
this.OnServerSeen += onServerAddedCallback;
}
if (onServerRemovedCallback != null)
{
this.OnServerGone += onServerRemovedCallback;
}
if (onGoodServerAddedCallback != null)
{
this.OnGoodServerAdded += onGoodServerAddedCallback;
}
if (onGoodServerRemovedCallback != null)
{
this.OnGoodServerRemoved += onGoodServerRemovedCallback;
}
CpMediaServer[] servers = null;
CpMediaServer[] goodServers = null;
TheLock.WaitOne();
if (TheInstance != null)
{
servers = TheInstance.GoodServers;
goodServers = TheInstance.GoodServers;
}
else
{
TheInstance = new _MediaServerDiscovery(true);
}
TheLock.ReleaseMutex();
TheInstance.OnCpServerAdded += new _MediaServerDiscovery.Delegate_OnGoodServersChange(this.Sink_OnGoodServerAdded);
TheInstance.OnCpServerRemoved += new _MediaServerDiscovery.Delegate_OnGoodServersChange(this.Sink_OnGoodServerRemoved);
TheInstance.OnServerSeen += new _MediaServerDiscovery.Delegate_OnServerDeviceChange(this.Sink_OnServerAdded);
TheInstance.OnServerGone += new _MediaServerDiscovery.Delegate_OnServerDeviceChange(this.Sink_OnServerRemoved);
if (servers != null)
{
if (this.OnServerSeen != null)
{
foreach (CpMediaServer server in servers)
{
if (servers.Length > 0)
{
this.OnServerSeen(this, server.ConnectionManager.GetUPnPService().ParentDevice);
}
}
}
}
if (goodServers != null)
{
if (this.OnGoodServerAdded != null)
{
foreach (CpMediaServer server in goodServers)
{
if (servers.Length > 0)
{
this.OnGoodServerAdded(this, server);
}
}
}
}
}
