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update udp sockets

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pull/702/head
Luke Pulverenti 8 years ago
parent 75ae9f2dc1
commit 44336488f3
5 changed files with 42 additions and 37 deletions
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1
Emby.Common.Implementations/Net/SocketFactory.cs
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@ -131,6 +131,7 @@ namespace Emby.Common.Implementations.Net
#else
retVal.ExclusiveAddressUse = false;
#endif
//retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Broadcast, true);
retVal.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, true);
retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastTimeToLive, multicastTimeToLive);
retVal.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.AddMembership, new MulticastOption(IPAddress.Parse(ipAddress), _LocalIP));

11
Emby.Common.Implementations/Net/UdpSocket.cs
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@ -63,7 +63,7 @@ namespace Emby.Common.Implementations.Net
}
}, state);
#else
_Socket.BeginReceiveFrom(state.Buffer, 0, state.Buffer.Length, SocketFlags.None, ref state.EndPoint, new AsyncCallback(this.ProcessResponse), state);
_Socket.BeginReceiveFrom(state.Buffer, 0, state.Buffer.Length, SocketFlags.None, ref state.EndPoint, ProcessResponse, state);
#endif
return tcs.Task;
@ -99,7 +99,7 @@ namespace Emby.Common.Implementations.Net
_Socket.EndSend(result);
taskSource.TrySetResult(true);
}
catch (SocketException ex)
catch (Exception ex)
{
taskSource.TrySetException(ex);
}
@ -200,13 +200,6 @@ namespace Emby.Common.Implementations.Net
{
state.TaskCompletionSource.SetCanceled();
}
catch (SocketException se)
{
if (se.SocketErrorCode != SocketError.Interrupted && se.SocketErrorCode != SocketError.OperationAborted && se.SocketErrorCode != SocketError.Shutdown)
state.TaskCompletionSource.SetException(se);
else
state.TaskCompletionSource.SetCanceled();
}
catch (Exception ex)
{
state.TaskCompletionSource.SetException(ex);

30
Emby.Dlna/Main/DlnaEntryPoint.cs
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@ -55,6 +55,8 @@ namespace Emby.Dlna.Main
private readonly ISocketFactory _socketFactory;
private readonly IEnvironmentInfo _environmentInfo;
private ISsdpCommunicationsServer _communicationsServer;
public DlnaEntryPoint(IServerConfigurationManager config,
ILogManager logManager,
IServerApplicationHost appHost,
@ -152,10 +154,18 @@ namespace Emby.Dlna.Main
{
try
{
StartPublishing();
if (_communicationsServer == null)
{
_communicationsServer = new SsdpCommunicationsServer(_socketFactory)
{
IsShared = true
};
}
StartPublishing(_communicationsServer);
_ssdpHandlerStarted = true;
StartDeviceDiscovery();
StartDeviceDiscovery(_communicationsServer);
}
catch (Exception ex)
{
@ -165,20 +175,20 @@ namespace Emby.Dlna.Main
private void LogMessage(string msg)
{
//_logger.Debug(msg);
_logger.Debug(msg);
}
private void StartPublishing()
private void StartPublishing(ISsdpCommunicationsServer communicationsServer)
{
SsdpDevicePublisherBase.LogFunction = LogMessage;
_Publisher = new SsdpDevicePublisher(_socketFactory, _timerFactory, _environmentInfo.OperatingSystemName, _environmentInfo.OperatingSystemVersion);
_Publisher = new SsdpDevicePublisher(communicationsServer, _timerFactory, _environmentInfo.OperatingSystemName, _environmentInfo.OperatingSystemVersion);
}
private void StartDeviceDiscovery()
private void StartDeviceDiscovery(ISsdpCommunicationsServer communicationsServer)
{
try
{
((DeviceDiscovery)_deviceDiscovery).Start();
((DeviceDiscovery)_deviceDiscovery).Start(communicationsServer);
}
catch (Exception ex)
{
@ -374,6 +384,12 @@ namespace Emby.Dlna.Main
DisposeDlnaServer();
DisposePlayToManager();
DisposeSsdpHandler();
if (_communicationsServer != null)
{
_communicationsServer.Dispose();
_communicationsServer = null;
}
}
public void DisposeDlnaServer()

20
Emby.Dlna/Ssdp/DeviceDiscovery.cs
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@ -15,6 +15,7 @@ using MediaBrowser.Model.Events;
using MediaBrowser.Model.Net;
using MediaBrowser.Model.Threading;
using Rssdp;
using Rssdp.Infrastructure;
namespace Emby.Dlna.Ssdp
{
@ -29,7 +30,7 @@ namespace Emby.Dlna.Ssdp
public event EventHandler<GenericEventArgs<UpnpDeviceInfo>> DeviceDiscovered;
public event EventHandler<GenericEventArgs<UpnpDeviceInfo>> DeviceLeft;
private SsdpDeviceLocator _DeviceLocator;
private SsdpDeviceLocator _deviceLocator;
private readonly ITimerFactory _timerFactory;
private readonly ISocketFactory _socketFactory;
@ -45,9 +46,9 @@ namespace Emby.Dlna.Ssdp
}
// Call this method from somewhere in your code to start the search.
public void BeginSearch()
public void Start(ISsdpCommunicationsServer communicationsServer)
{
_DeviceLocator = new SsdpDeviceLocator(_socketFactory, _timerFactory);
_deviceLocator = new SsdpDeviceLocator(communicationsServer, _timerFactory);
// (Optional) Set the filter so we only see notifications for devices we care about
// (can be any search target value i.e device type, uuid value etc - any value that appears in the
@ -55,8 +56,8 @@ namespace Emby.Dlna.Ssdp
//_DeviceLocator.NotificationFilter = "upnp:rootdevice";
// Connect our event handler so we process devices as they are found
_DeviceLocator.DeviceAvailable += deviceLocator_DeviceAvailable;
_DeviceLocator.DeviceUnavailable += _DeviceLocator_DeviceUnavailable;
_deviceLocator.DeviceAvailable += deviceLocator_DeviceAvailable;
_deviceLocator.DeviceUnavailable += _DeviceLocator_DeviceUnavailable;
// Perform a search so we don't have to wait for devices to broadcast notifications
// again to get any results right away (notifications are broadcast periodically).
@ -72,9 +73,9 @@ namespace Emby.Dlna.Ssdp
try
{
// Enable listening for notifications (optional)
_DeviceLocator.StartListeningForNotifications();
_deviceLocator.StartListeningForNotifications();
await _DeviceLocator.SearchAsync().ConfigureAwait(false);
await _deviceLocator.SearchAsync().ConfigureAwait(false);
}
catch (Exception ex)
{
@ -130,11 +131,6 @@ namespace Emby.Dlna.Ssdp
EventHelper.FireEventIfNotNull(DeviceLeft, this, args, _logger);
}
public void Start()
{
BeginSearch();
}
public void Dispose()
{
if (!_disposed)

17
RSSDP/SsdpCommunicationsServer.cs
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@ -170,12 +170,11 @@ namespace Rssdp.Infrastructure
/// <summary>
/// Sends a message to the SSDP multicast address and port.
/// </summary>
/// <param name="messageData">A byte array containing the data to send.</param>
/// <exception cref="System.ArgumentNullException">Thrown if the <paramref name="messageData"/> argument is null.</exception>
/// <exception cref="System.ObjectDisposedException">Thrown if the <see cref="DisposableManagedObjectBase.IsDisposed"/> property is true (because <seealso cref="DisposableManagedObjectBase.Dispose()" /> has been called previously).</exception>
public async Task SendMulticastMessage(byte[] messageData)
public async Task SendMulticastMessage(string message)
{
if (messageData == null) throw new ArgumentNullException("messageData");
if (message == null) throw new ArgumentNullException("messageData");
byte[] messageData = Encoding.UTF8.GetBytes(message);
ThrowIfDisposed();
@ -294,21 +293,19 @@ namespace Rssdp.Infrastructure
// Tasks are captured to local variables even if we don't use them just to avoid compiler warnings.
var t = Task.Run(async () =>
{
var cancelled = false;
while (!cancelled)
{
try
{
var result = await socket.ReceiveAsync();
var result = await socket.ReceiveAsync().ConfigureAwait(false);
if (result.ReceivedBytes > 0)
{
// Strange cannot convert compiler error here if I don't explicitly
// assign or cast to Action first. Assignment is easier to read,
// so went with that.
Action processWork = () => ProcessMessage(System.Text.UTF8Encoding.UTF8.GetString(result.Buffer, 0, result.ReceivedBytes), result.RemoteEndPoint);
var processTask = Task.Run(processWork);
ProcessMessage(System.Text.UTF8Encoding.UTF8.GetString(result.Buffer, 0, result.ReceivedBytes), result.RemoteEndPoint);
}
}
catch (ObjectDisposedException)
@ -330,7 +327,9 @@ namespace Rssdp.Infrastructure
lock (_SendSocketSynchroniser)
{
if (_SendSocket == null)
{
_SendSocket = CreateSocketAndListenForResponsesAsync();
}
}
}
}

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