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fixes #1218 - Dlna server doesn't work after resuming to sleep.

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This commit is contained in:
Luke Pulverenti 2016-01-28 21:59:00 -05:00
parent 83d96f9bda
commit 51899f1880
1 changed files with 17 additions and 117 deletions
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134
MediaBrowser.Dlna/Ssdp/SsdpHandler.cs
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@ -33,12 +33,8 @@ namespace MediaBrowser.Dlna.Ssdp
private readonly IPAddress _ssdpIp = IPAddress.Parse(SSDPAddr);
private readonly IPEndPoint _ssdpEndp = new IPEndPoint(IPAddress.Parse(SSDPAddr), SSDPPort);
private Timer _queueTimer;
private Timer _notificationTimer;
private readonly AutoResetEvent _datagramPosted = new AutoResetEvent(false);
private readonly ConcurrentQueue<Datagram> _messageQueue = new ConcurrentQueue<Datagram>();
private bool _isDisposed;
private readonly ConcurrentDictionary<Guid, List<UpnpDevice>> _devices = new ConcurrentDictionary<Guid, List<UpnpDevice>>();
@ -121,9 +117,13 @@ namespace MediaBrowser.Dlna.Ssdp
public void Start()
{
RestartSocketListener();
DisposeSocket();
StopAliveNotifier();
RestartSocketListener();
ReloadAliveNotifier();
SystemEvents.PowerModeChanged -= SystemEvents_PowerModeChanged;
SystemEvents.PowerModeChanged += SystemEvents_PowerModeChanged;
}
@ -131,7 +131,7 @@ namespace MediaBrowser.Dlna.Ssdp
{
if (e.Mode == PowerModes.Resume)
{
NotifyAll();
Start();
}
}
@ -154,7 +154,7 @@ namespace MediaBrowser.Dlna.Ssdp
SendDatagram("M-SEARCH * HTTP/1.1", values, _ssdpEndp, localIp, true, 2);
}
public void SendDatagram(string header,
public async void SendDatagram(string header,
Dictionary<string, string> values,
EndPoint endpoint,
EndPoint localAddress,
@ -162,28 +162,18 @@ namespace MediaBrowser.Dlna.Ssdp
int sendCount)
{
var msg = new SsdpMessageBuilder().BuildMessage(header, values);
var queued = false;
var enableDebugLogging = _config.GetDlnaConfiguration().EnableDebugLogging;
for (var i = 0; i < sendCount; i++)
{
if (i > 0)
{
await Task.Delay(500).ConfigureAwait(false);
}
var dgram = new Datagram(endpoint, localAddress, _logger, msg, isBroadcast, enableDebugLogging);
if (_messageQueue.Count == 0)
{
dgram.Send();
}
else
{
_messageQueue.Enqueue(dgram);
queued = true;
}
}
if (queued)
{
StartQueueTimer();
dgram.Send();
}
}
@ -254,47 +244,10 @@ namespace MediaBrowser.Dlna.Ssdp
}
}
private readonly object _queueTimerSyncLock = new object();
private void StartQueueTimer()
{
lock (_queueTimerSyncLock)
{
if (_queueTimer == null)
{
_queueTimer = new Timer(QueueTimerCallback, null, 500, Timeout.Infinite);
}
else
{
_queueTimer.Change(500, Timeout.Infinite);
}
}
}
private void QueueTimerCallback(object state)
{
Datagram msg;
while (_messageQueue.TryDequeue(out msg))
{
msg.Send();
}
_datagramPosted.Set();
if (_messageQueue.Count > 0)
{
StartQueueTimer();
}
else
{
DisposeQueueTimer();
}
}
private void RestartSocketListener()
{
if (_isDisposed)
{
StopSocketRetryTimer();
return;
}
@ -304,8 +257,6 @@ namespace MediaBrowser.Dlna.Ssdp
_logger.Info("MultiCast socket created");
StopSocketRetryTimer();
Receive();
}
catch (Exception ex)
@ -315,31 +266,6 @@ namespace MediaBrowser.Dlna.Ssdp
}
}
private Timer _socketRetryTimer;
private readonly object _socketRetryLock = new object();
private void StartSocketRetryTimer()
{
lock (_socketRetryLock)
{
if (_socketRetryTimer == null)
{
_socketRetryTimer = new Timer(s => RestartSocketListener(), null, TimeSpan.FromSeconds(30), TimeSpan.FromSeconds(30));
}
}
}
private void StopSocketRetryTimer()
{
lock (_socketRetryLock)
{
if (_socketRetryTimer != null)
{
_socketRetryTimer.Dispose();
_socketRetryTimer = null;
}
}
}
private void Receive()
{
try
@ -448,16 +374,9 @@ namespace MediaBrowser.Dlna.Ssdp
SystemEvents.PowerModeChanged -= SystemEvents_PowerModeChanged;
_isDisposed = true;
while (_messageQueue.Count != 0)
{
_datagramPosted.WaitOne();
}
DisposeSocket();
DisposeQueueTimer();
DisposeNotificationTimer();
_datagramPosted.Dispose();
StopAliveNotifier();
}
private void DisposeSocket()
@ -470,18 +389,6 @@ namespace MediaBrowser.Dlna.Ssdp
}
}
private void DisposeQueueTimer()
{
lock (_queueTimerSyncLock)
{
if (_queueTimer != null)
{
_queueTimer.Dispose();
_queueTimer = null;
}
}
}
private Socket CreateMulticastSocket()
{
var socket = new Socket(AddressFamily.InterNetwork, SocketType.Dgram, ProtocolType.Udp);
@ -534,14 +441,7 @@ namespace MediaBrowser.Dlna.Ssdp
public void RegisterNotification(Guid uuid, Uri descriptionUri, IPAddress address, IEnumerable<string> services)
{
List<UpnpDevice> list;
lock (_devices)
{
if (!_devices.TryGetValue(uuid, out list))
{
_devices.TryAdd(uuid, list = new List<UpnpDevice>());
}
}
var list = _devices.GetOrAdd(uuid, new List<UpnpDevice>());
list.AddRange(services.Select(i => new UpnpDevice(uuid, i, descriptionUri, address)));
@ -572,7 +472,7 @@ namespace MediaBrowser.Dlna.Ssdp
if (!config.BlastAliveMessages)
{
DisposeNotificationTimer();
StopAliveNotifier();
return;
}
@ -599,7 +499,7 @@ namespace MediaBrowser.Dlna.Ssdp
}
}
private void DisposeNotificationTimer()
private void StopAliveNotifier()
{
lock (_notificationTimerSyncLock)
{