/// <summary>
/// Method executes when smart control point notices that
/// a upnp media server has left the network.
/// </summary>
/// <param name="sender"></param>
/// <param name="device"></param>
private void RemoveServer(UPnPSmartControlPoint sender, UPnPDevice device)
{
string udn = device.UniqueDeviceName;
CpMediaServer removeThis = null;
lock (LockHashes)
{
if (UdnToInitStatus.Contains(udn))
{
InitStatus status = (InitStatus)UdnToInitStatus[udn];
}
if (UdnToServer.Contains(udn))
{
removeThis = (CpMediaServer)UdnToServer[udn];
UdnToServer.Remove(udn);
}
}
if (this.OnServerGone != null)
{
this.OnServerGone(this, device);
}
if (removeThis != null)
{
if (this.OnCpServerRemoved != null)
{
this.OnCpServerRemoved(this, removeThis);
}
}
System.GC.Collect();
}
private void Sink_OnServerAdded(MediaServerDiscovery sender, CpMediaServer server)
{
if (this.OnMediaServersChanged != null)
{
this.OnMediaServersChanged(this);
}
}
/// <summary>
/// <see cref="CpMediaServer"/>
/// always instantiates a CpRootContainer with a pointer
/// to itself. This is primarily so that a CpRootContainer
/// can provide the server's friendly name, although
/// future features may require more information
/// from the CpMediaServer object.
/// </summary>
/// <param name="sourceMediaServer">the
/// <see cref="CpMediaServer"/>
/// object that owns this root container object.
/// </param>
internal CpRootContainer(CpMediaServer sourceMediaServer) : base()
{
// base class constructor chain will call Init()
this.m_ID = "0";
this.m_wrSourceMediaServer = new WeakReference(sourceMediaServer, true);
InitWeakEvents(sourceMediaServer);
}
/// <summary>
/// Method executes when a "good" server has done bye bye.
/// </summary>
/// <param name="sender"></param>
/// <param name="server"></param>
private void Sink_OnGoodServerRemoved(_MediaServerDiscovery sender, CpMediaServer server)
{
if (this.OnGoodServerRemoved != null)
{
this.OnGoodServerRemoved(this, server);
}
}
public void Browse(CpMediaServer server, System.String ObjectID, OpenSource.UPnP.AV.CpContentDirectory.Enum_A_ARG_TYPE_BrowseFlag BrowseFlag, System.String Filter, System.UInt32 StartingIndex, System.UInt32 RequestedCount, System.String SortCriteria, object _Tag, Delegate_OnBrowseDone _Callback)
{
_RequestState state = new _RequestState();
state.Callback = _Callback;
state.Tag = _Tag;
state.Server = server;
server.ContentDirectory.Browse(ObjectID, BrowseFlag, Filter, StartingIndex, RequestedCount, SortCriteria, state, new OpenSource.UPnP.AV.CpContentDirectory.Delegate_OnResult_Browse(_OnBrowseDone));
}
private void InitWeakEvents(CpMediaServer sourceMediaServer)
{
this.weakEvent_ContainerUpdateIDs = new CpContentDirectory.StateVariableModifiedHandler_ContainerUpdateIDs(this.Sink_OnContainerUpdateIDsChanged);
this.weakEvent_SystemUpdateId = new CpContentDirectory.StateVariableModifiedHandler_SystemUpdateID(this.Sink_OnSystemUpdateIDChanged);
sourceMediaServer.ContentDirectory.OnStateVariable_ContainerUpdateIDs += this.weakEvent_ContainerUpdateIDs;
sourceMediaServer.ContentDirectory.OnStateVariable_SystemUpdateID += this.weakEvent_SystemUpdateId;
}
/// <summary>
/// When a MediaServer device is found, we add it to a temp list.
/// Then we attempt to subscribe to its services.
/// </summary>
/// <param name="sender">the smart cp that found the device</param>
/// <param name="device">the mediaserver device</param>
private void Temporary_AddServer(UPnPSmartControlPoint sender, UPnPDevice device)
{
if (this.OnServerSeen != null)
{
this.OnServerSeen(this, device);
}
UPnPService sCD = device.GetServices(CpContentDirectory.SERVICE_NAME)[0];
UPnPService sCM = device.GetServices(CpConnectionManager.SERVICE_NAME)[0];
CpMediaServer newServer;
try
{
newServer = new CpMediaServer(device);
}
catch (UPnPCustomException)
{
newServer = null;
}
if (newServer != null)
{
InitStatus status = new InitStatus();
status.SubcribeCD = false;
status.SubcribeCM = false;
status.EventedCD = false;
status.EventedCM = false;
status.Server = newServer;
lock (LockHashes)
{
UdnToInitStatus[device.UniqueDeviceName] = status;
}
newServer.ConnectionManager.OnSubscribe += new CpConnectionManager.SubscribeHandler(this.Sink_OnCmServiceSubscribe);
newServer.ContentDirectory.OnSubscribe += new CpContentDirectory.SubscribeHandler(this.Sink_OnCdServiceSubscribe);
newServer.ConnectionManager.OnStateVariable_SourceProtocolInfo += new CpConnectionManager.StateVariableModifiedHandler_SourceProtocolInfo(this.Sink_OnCmEvented);
newServer.ContentDirectory.OnStateVariable_SystemUpdateID += new CpContentDirectory.StateVariableModifiedHandler_SystemUpdateID(this.Sink_OnCdEvented);
newServer.ConnectionManager._subscribe(600);
newServer.ContentDirectory._subscribe(600);
}
}
/// <summary>
/// Allows the programmer to request that a transfer stop.
/// </summary>
/// <param name="Tag">
/// Miscellaneous, user-provided object for tracking this
/// asynchronous call. Can be used as a means to pass a
/// user-defined "state object" at invoke-time so that
/// the executed callback during results-processing can be
/// aware of the component's state at the time of the call.
/// </param>
/// <param name="callback">the callback to execute when results become available</param>
/// <exception cref="ApplicationException">
/// Thrown if the resource object associated with thsi transfer is null.
/// Such an exception would indicate that the system has improperly instantiated the transfer object.
/// </exception>
/// <exception cref="NullReferenceException">
/// Thrown if the transfer object cannot find its media server.
/// </exception>
public void RequestStopTransferResource(object Tag, CpMediaDelegates.Delegate_ResultStopTransferResource callback)
{
if (this.m_Resource == null)
{
throw new ApplicationException("Bad Evil. The resource associated with this transfer object is null.");
}
CpMediaServer server = (CpMediaServer)this.mwr_Server.Target;
if (this.mwr_Server.IsAlive == false)
{
throw new NullReferenceException("The media server object is null. Media server may have disappeared from UPnP network.");
}
StopTransferResourceRequestTag rtag = new StopTransferResourceRequestTag();
rtag.Tag = Tag;
rtag.Callback = callback;
server.RequestStopTransferResource(this.m_TransferID, rtag, new CpContentDirectory.Delegate_OnResult_StopTransferResource(this.SinkResult_StopTransferResource));
}
/// <summary>
/// Whenever Sink_Onxxx method executes, it calls this method to
/// determine whether a server has been upgraded from non-good
/// to good status.
/// </summary>
/// <param name="udn"></param>
private void ProcessInitStatusChange(string udn)
{
CpMediaServer addedThis = null;
InitStatus status = null;
lock (LockHashes)
{
status = (InitStatus)UdnToInitStatus[udn];
if (status != null)
{
if (status.ZeroMeansDone == 0)
{
if (
(status.EventedCD) &&
(status.EventedCM) &&
(status.SubcribeCD) &&
(status.SubcribeCM)
)
{
// We were evented for both services
// and we subscribed successfully,
// so we're good to go.
UdnToInitStatus.Remove(udn);
UdnToServer[udn] = status.Server;
addedThis = status.Server;
}
else
{
// we didn't subscribe successfully
// or we never got evented after
// we subscribed... but this
// code should never execute because
// we will have never decremented
// ZeroMeansDone==0
}
}
if (addedThis == null)
{
if (BadServersAreGoodServersToo)
{
// but since we're configured to be
// nice to crappy servers that
// don't event properly... we'll
// promote the server to full status
UdnToInitStatus.Remove(udn);
UdnToServer[udn] = status.Server;
addedThis = status.Server;
}
}
}
}
if (addedThis != null)
{
if (this.OnCpServerAdded != null)
{
this.OnCpServerAdded(this, addedThis);
}
}
}
/// <summary>
/// Method executes when a "good" server has done bye bye.
/// </summary>
/// <param name="sender"></param>
/// <param name="server"></param>
private void Sink_OnGoodServerRemoved(_MediaServerDiscovery sender, CpMediaServer server)
{
if(this.OnGoodServerRemoved != null)
{
this.OnGoodServerRemoved(this, server);
}
}
private void InitWeakEvents(CpMediaServer sourceMediaServer)
{
this.weakEvent_ContainerUpdateIDs = new CpContentDirectory.StateVariableModifiedHandler_ContainerUpdateIDs (this.Sink_OnContainerUpdateIDsChanged);
this.weakEvent_SystemUpdateId = new CpContentDirectory.StateVariableModifiedHandler_SystemUpdateID (this.Sink_OnSystemUpdateIDChanged);
sourceMediaServer.ContentDirectory.OnStateVariable_ContainerUpdateIDs += this.weakEvent_ContainerUpdateIDs;
sourceMediaServer.ContentDirectory.OnStateVariable_SystemUpdateID += this.weakEvent_SystemUpdateId;
}
public Error_MediaNotOnServer(ICpMedia mediaObj, CpMediaServer server)
: base("Media object not on server")
{
this.Media = mediaObj;
this.Server = server;
}
/// <summary>
/// internal constructor - public programmers should not instantiate
/// their own transfer objects.
/// </summary>
/// <param name="transferID">
/// The ID provided by the server.
/// </param>
/// <param name="isImport"></param>
/// <param name="res"></param>
/// <param name="uri"></param>
/// <param name="server"></param>
internal ResourceTransfer(System.UInt32 transferID, bool isImport, IMediaResource res, System.Uri uri, CpMediaServer server)
{
this.m_TransferID = transferID;
this.m_IsImport = isImport;
this.m_Resource = res;
this.m_Uri = uri;
this.mwr_Server = new WeakReference(server);
}
/// <summary>
/// Executed when a server disappears.
/// </summary>
/// <param name="sender"></param>
/// <param name="server"></param>
private void Sink_OnServerRemoved(MediaServerDiscovery sender, CpMediaServer server)
{
this.AllRoots.RemoveRootContainer(server.Root);
this.AllRoots.NotifyRootsOfChange();
}
/// <summary>
/// Executed when a server shows up.
/// </summary>
/// <param name="sender"></param>
/// <param name="server"></param>
private void Sink_OnServerAdded(MediaServerDiscovery sender, CpMediaServer server)
{
server.Root.Update();
this.AllRoots.AddRootContainer(server.Root);
this.AllRoots.NotifyRootsOfChange();
}
private void Sink_OnBrowse(CpMediaServer server, System.String ObjectID, OpenSource.UPnP.AV.CpContentDirectory.Enum_A_ARG_TYPE_BrowseFlag BrowseFlag, System.String Filter, System.UInt32 StartingIndex, System.UInt32 RequestedCount, System.String SortCriteria, UPnPInvokeException e, Exception parseError, object _Tag, IUPnPMedia[] Result, System.UInt32 NumberReturned, System.UInt32 TotalMatches, System.UInt32 UpdateID)
{
if (server == this.m_Server)
{
if (ObjectID == this.m_Context)
{
if (_Tag == this.m_Container)
{
if ((e != null) || (parseError != null))
{
//error encountered
}
else
{
// add children
this.m_Children.AddRange(Result);
this.m_Container.AddObjects(Result, true);
if (this.OnIncrementalUpdate != null)
{
this.OnIncrementalUpdate(this, Result);
}
if (
((this.m_Children.Count == TotalMatches) && (NumberReturned > 0)) ||
((TotalMatches == 0) && (NumberReturned > 0))
)
{
// more items to come
this.m_CurrentIndex = NumberReturned;
DoNextBrowse();
}
else
{
lock (this)
{
// no more items, prune children from m_Container
ArrayList remove = new ArrayList();
foreach (IUPnPMedia m1 in this.m_Container.CompleteList)
{
bool found = false;
foreach (IUPnPMedia m2 in this.m_Children)
{
if (m1 == m2)
{
found = true;
break;
}
}
if (found == false)
{
remove.Add(m1);
}
}
this.m_Container.RemoveObjects(remove);
}
if (this.OnRefreshComplete != null)
{
IUPnPMedia[] list = (IUPnPMedia[]) this.m_Children.ToArray(typeof(IUPnPMedia));
this.OnRefreshComplete(this, list);
}
}
}
}
}
}
}
private void Sink_OnBrowse(CpMediaServer server, System.String ObjectID, OpenSource.UPnP.AV.CpContentDirectory.Enum_A_ARG_TYPE_BrowseFlag BrowseFlag, System.String Filter, System.UInt32 StartingIndex, System.UInt32 RequestedCount, System.String SortCriteria, UPnPInvokeException e, Exception parseError, object _Tag, IUPnPMedia[] Result, System.UInt32 NumberReturned, System.UInt32 TotalMatches, System.UInt32 UpdateID)
{
IMediaContainer[] tagC, ec;
bool ok = true;
bool nomore = false;
// ensure we're processing results for the current context
lock (this)
{
tagC = (IMediaContainer[])_Tag;
ec = this.CurrentContext.EntireContext;
for (int i = 0; i < ec.Length; i++)
{
if (ec[i] != tagC[i])
{
ok = false;
break;
}
}
}
if (ok)
{
// results are for current context, merge metadata results
// with existing child list
if ((e == null) && (parseError == null))
{
lock (this)
{
// add to our media object
this.m_Children.AddRange(Result);
this.CurrentContext.ContainerContext.AddObjects(Result, true);
if (
((this.m_Children.Count < TotalMatches) && (NumberReturned > 0)) ||
((TotalMatches == 0) && (NumberReturned > 0))
)
{
// more items to come
this.m_CurrentIndex = NumberReturned;
}
else
{
// no more items, prune children from m_Container
ArrayList remove = new ArrayList();
foreach (IUPnPMedia m1 in this.CurrentContext.ContainerContext.CompleteList)
{
bool found = false;
foreach (IUPnPMedia m2 in this.m_Children)
{
if (m1 == m2)
{
found = true;
break;
}
}
if (found == false)
{
remove.Add(m1);
}
}
this.CurrentContext.ContainerContext.RemoveObjects(remove);
nomore = true;
}
}
if (this.OnIncrementalUpdate != null)
{
this.OnIncrementalUpdate(this, Result);
}
if (nomore)
{
if (this.OnRefreshComplete != null)
{
IUPnPMedia[] list = (IUPnPMedia[])this.m_Children.ToArray(typeof(IUPnPMedia));
this.OnRefreshComplete(this, list);
}
}
}
else
{
// error occurred with the results...
// how should we report this?
}
}
}
/// <summary>
/// Executed when a server shows up.
/// </summary>
/// <param name="sender"></param>
/// <param name="server"></param>
private void Sink_OnServerAdded(MediaServerDiscovery sender, CpMediaServer server)
{
server.Root.Update();
this.AllRoots.AddRootContainer(server.Root);
this.AllRoots.NotifyRootsOfChange();
}
public Error_ResourceNotOnServer(ICpResource resource, CpMediaServer server)
: base("Resource object not on server")
{
this.Resource = resource;
this.Server = server;
}
/// <summary>
/// Executed when a server disappears.
/// </summary>
/// <param name="sender"></param>
/// <param name="server"></param>
private void Sink_OnServerRemoved(MediaServerDiscovery sender, CpMediaServer server)
{
this.AllRoots.RemoveRootContainer(server.Root);
this.AllRoots.NotifyRootsOfChange();
}
/// <summary>
/// <see cref="CpMediaServer"/>
/// always instantiates a CpRootContainer with a pointer
/// to itself. This is primarily so that a CpRootContainer
/// can provide the server's friendly name, although
/// future features may require more information
/// from the CpMediaServer object.
/// </summary>
/// <param name="sourceMediaServer">the
/// <see cref="CpMediaServer"/>
/// object that owns this root container object.
/// </param>
internal CpRootContainer(CpMediaServer sourceMediaServer)
: base()
{
// base class constructor chain will call Init()
this.m_ID = "0";
this.m_wrSourceMediaServer = new WeakReference(sourceMediaServer, true);
InitWeakEvents(sourceMediaServer);
}
private void Sink_OnBrowse(CpMediaServer server, System.String ObjectID, OpenSource.UPnP.AV.CpContentDirectory.Enum_A_ARG_TYPE_BrowseFlag BrowseFlag, System.String Filter, System.UInt32 StartingIndex, System.UInt32 RequestedCount, System.String SortCriteria, UPnPInvokeException e, Exception parseError, object _Tag, IUPnPMedia[] Result, System.UInt32 NumberReturned, System.UInt32 TotalMatches, System.UInt32 UpdateID)
{
IMediaContainer[] tagC, ec;
bool ok = true;
bool nomore = false;
// ensure we're processing results for the current context
lock (this)
{
tagC = (IMediaContainer[]) _Tag;
ec = this.CurrentContext.EntireContext;
for (int i=0; i < ec.Length; i++)
{
if (ec[i] != tagC[i])
{
ok = false;
break;
}
}
}
if (ok)
{
// results are for current context, merge metadata results
// with existing child list
if ((e == null) && (parseError == null))
{
lock (this)
{
// add to our media object
this.m_Children.AddRange(Result);
this.CurrentContext.ContainerContext.AddObjects(Result, true);
if (
((this.m_Children.Count < TotalMatches) && (NumberReturned > 0)) ||
((TotalMatches == 0) && (NumberReturned > 0))
)
{
// more items to come
this.m_CurrentIndex = NumberReturned;
}
else
{
// no more items, prune children from m_Container
ArrayList remove = new ArrayList();
foreach (IUPnPMedia m1 in this.CurrentContext.ContainerContext.CompleteList)
{
bool found = false;
foreach (IUPnPMedia m2 in this.m_Children)
{
if (m1 == m2)
{
found = true;
break;
}
}
if (found == false)
{
remove.Add(m1);
}
}
this.CurrentContext.ContainerContext.RemoveObjects(remove);
nomore = true;
}
}
if (this.OnIncrementalUpdate != null)
{
this.OnIncrementalUpdate(this, Result);
}
if (nomore)
{
if (this.OnRefreshComplete != null)
{
IUPnPMedia[] list = (IUPnPMedia[]) this.m_Children.ToArray(typeof(IUPnPMedia));
this.OnRefreshComplete(this, list);
}
}
}
else
{
// error occurred with the results...
// how should we report this?
}
}
}
/// <summary>
/// When a MediaServer device is found, we add it to a temp list.
/// Then we attempt to subscribe to its services.
/// </summary>
/// <param name="sender">the smart cp that found the device</param>
/// <param name="device">the mediaserver device</param>
private void Temporary_AddServer(UPnPSmartControlPoint sender, UPnPDevice device)
{
if (this.OnServerSeen != null)
{
this.OnServerSeen(this, device);
}
UPnPService sCD = device.GetServices(CpContentDirectory.SERVICE_NAME)[0];
UPnPService sCM = device.GetServices(CpConnectionManager.SERVICE_NAME)[0];
CpMediaServer newServer;
try
{
newServer = new CpMediaServer(device);
}
catch (UPnPCustomException)
{
newServer = null;
}
if (newServer != null)
{
InitStatus status = new InitStatus();
status.SubcribeCD = false;
status.SubcribeCM = false;
status.EventedCD = false;
status.EventedCM = false;
status.Server = newServer;
lock (LockHashes)
{
UdnToInitStatus[device.UniqueDeviceName] = status;
}
newServer.ConnectionManager.OnSubscribe += new CpConnectionManager.SubscribeHandler(this.Sink_OnCmServiceSubscribe);
newServer.ContentDirectory.OnSubscribe += new CpContentDirectory.SubscribeHandler(this.Sink_OnCdServiceSubscribe);
newServer.ConnectionManager.OnStateVariable_SourceProtocolInfo += new CpConnectionManager.StateVariableModifiedHandler_SourceProtocolInfo(this.Sink_OnCmEvented);
newServer.ContentDirectory.OnStateVariable_SystemUpdateID += new CpContentDirectory.StateVariableModifiedHandler_SystemUpdateID(this.Sink_OnCdEvented);
newServer.ConnectionManager._subscribe(600);
newServer.ContentDirectory._subscribe(600);
}
}
/// <summary>
/// internal constructor - public programmers should not instantiate
/// their own transfer objects.
/// </summary>
/// <param name="transferID">
/// The ID provided by the server.
/// </param>
/// <param name="isImport"></param>
/// <param name="res"></param>
/// <param name="uri"></param>
/// <param name="server"></param>
internal ResourceTransfer(System.UInt32 transferID, bool isImport, IMediaResource res, System.Uri uri, CpMediaServer server)
{
this.m_TransferID = transferID;
this.m_IsImport = isImport;
this.m_Resource = res;
this.m_Uri = uri;
this.mwr_Server = new WeakReference(server);
}
