/// <summary>
///
/// </summary>
/// <param name="locationAreaIdentifier"></param>
/// <param name="accessMappingMoniker"></param>
/// <param name="cancellationToken"></param>
/// <returns></returns>
public async Task <String> GetLocationServiceUrlAsync(
Guid locationAreaIdentifier,
String accessMappingMoniker = null,
CancellationToken cancellationToken = default(CancellationToken))
{
ILocationDataProvider locationData = await GetLocationDataAsync(locationAreaIdentifier, cancellationToken).ConfigureAwait(false);
if (locationData == null)
{
return(null);
}
AccessMapping accessMapping = await locationData.GetAccessMappingAsync(accessMappingMoniker ?? AccessMappingConstants.PublicAccessMappingMoniker).ConfigureAwait(false);
if (accessMapping == null)
{
accessMapping = await locationData.GetClientAccessMappingAsync().ConfigureAwait(false);
}
return(await locationData.LocationForAccessMappingAsync(
ServiceInterfaces.LocationService2,
LocationServiceConstants.SelfReferenceIdentifier,
accessMapping,
cancellationToken).ConfigureAwait(false));
}
/// <summary>
///
/// </summary>
/// <param name="managedType"></param>
/// <returns></returns>
private async Task <Object> GetClientInstanceAsync(
Type managedType,
Guid serviceIdentifier,
CancellationToken cancellationToken,
VssHttpRequestSettings settings,
DelegatingHandler[] handlers)
{
CheckForDisposed();
ILocationService locationService = await GetServiceAsync <ILocationService>(cancellationToken).ConfigureAwait(false);
ILocationDataProvider locationData = await locationService.GetLocationDataAsync(serviceIdentifier, cancellationToken).ConfigureAwait(false);
if (locationData == null)
{
throw new VssServiceException(WebApiResources.ServerDataProviderNotFound(serviceIdentifier));
}
String serviceLocationString = await locationData.LocationForCurrentConnectionAsync(
ServiceInterfaces.LocationService2,
LocationServiceConstants.SelfReferenceIdentifier,
cancellationToken).ConfigureAwait(false);
// This won't ever be null because of compat code in ServerDataProvider
Uri clientBaseUri = new Uri(serviceLocationString);
VssHttpClientBase toReturn = null;
if (settings != null)
{
toReturn = (VssHttpClientBase)Activator.CreateInstance(managedType, clientBaseUri, Credentials, settings, handlers);
}
else
{
toReturn = (VssHttpClientBase)Activator.CreateInstance(managedType, clientBaseUri, m_pipeline, false /* disposeHandler */);
}
ApiResourceLocationCollection resourceLocations = await locationData.GetResourceLocationsAsync(cancellationToken).ConfigureAwait(false);
toReturn.SetResourceLocations(resourceLocations);
return(toReturn);
}
public GpsLocationManager(ILocationDataProvider dataProvider)
: base(dataProvider)
{
}
/// <summary>
///
/// </summary>
/// <param name="locationAreaIdentifier"></param>
/// <param name="currentProvider"></param>
/// <returns></returns>
private async Task <ILocationDataProvider> ResolveLocationDataAsync(
Guid locationAreaIdentifier,
CancellationToken cancellationToken = default(CancellationToken))
{
ILocationDataProvider locationData = null;
ProviderCache providerLookup = m_providerLookup;
if (providerLookup == null)
{
providerLookup = new ProviderCache();
// Create and seed the cache with the local url
String location = await LocalDataProvider.LocationForCurrentConnectionAsync(
ServiceInterfaces.LocationService2,
LocationServiceConstants.SelfReferenceIdentifier,
cancellationToken).ConfigureAwait(false);
if (location != null)
{
providerLookup.GetOrAdd(location, LocalDataProvider);
}
ProviderCache actualProvider = Interlocked.CompareExchange(ref m_providerLookup, providerLookup, null);
// Did we lose the race? Pick the winner
if (actualProvider != null)
{
providerLookup = actualProvider;
}
}
if (!providerLookup.TryGetValue(locationAreaIdentifier, out locationData))
{
// First, check our current provider (see if a direct pointer is registered)
String location = await LocalDataProvider.LocationForCurrentConnectionAsync(
ServiceInterfaces.LocationService2,
locationAreaIdentifier,
cancellationToken).ConfigureAwait(false);
// Next, check and see if we have a root pointer
if (location == null &&
locationAreaIdentifier != LocationServiceConstants.ApplicationIdentifier &&
locationAreaIdentifier != LocationServiceConstants.RootIdentifier) // Don't infinitely recurse
{
ILocationDataProvider rootProvider = await ResolveLocationDataAsync(
LocationServiceConstants.RootIdentifier,
cancellationToken).ConfigureAwait(false);
if (rootProvider != null &&
!Object.ReferenceEquals(rootProvider, LocalDataProvider))
{
location = await rootProvider.LocationForCurrentConnectionAsync(
ServiceInterfaces.LocationService2,
locationAreaIdentifier,
cancellationToken).ConfigureAwait(false);
}
}
if (location != null)
{
// The caller could be asking for a serviceIdentifier which resolves to a URL
// for which we already have a cached provider.
// This is typical when serviceIdentifier is a ResourceArea guid.
if (!providerLookup.TryGetValue(location, out locationData))
{
locationData = await CreateDataProviderAsync(location, cancellationToken).ConfigureAwait(false);
locationData = providerLookup.GetOrAdd(location, locationData);
}
providerLookup[locationAreaIdentifier] = locationData;
}
}
return(locationData);
}
public ILocationDataProvider GetOrAdd(String locationUrl, ILocationDataProvider provider)
{
return(m_urlCache.GetOrAdd(NormalizeUrl(locationUrl), provider));
}
public Boolean TryGetValue(String locationUrl, out ILocationDataProvider provider)
{
return(m_urlCache.TryGetValue(NormalizeUrl(locationUrl), out provider));
}
public Boolean TryGetValue(Guid locationAreaIdentfier, out ILocationDataProvider provider)
{
return(m_guidCache.TryGetValue(locationAreaIdentfier, out provider));
}
public LocationServiceBase(ILocationDataProvider dataProvider)
{
this.dataProvider = dataProvider;
}
