public DIIgniteServers()
{
// Create a set of mocked configurations for caches the servers was want
var mockedConfigs = new List <CacheConfiguration>
{
new CacheConfiguration(TRexCaches.MutableNonSpatialCacheName()),
new CacheConfiguration(TRexCaches.SpatialSubGridDirectoryCacheName(StorageMutability.Mutable)),
new CacheConfiguration(TRexCaches.SpatialSubGridDirectoryCacheName(StorageMutability.Immutable)),
new CacheConfiguration(TRexCaches.SpatialSubGridSegmentCacheName(StorageMutability.Mutable)),
new CacheConfiguration(TRexCaches.SpatialSubGridSegmentCacheName(StorageMutability.Immutable)),
new CacheConfiguration(TRexCaches.ImmutableNonSpatialCacheName()),
new CacheConfiguration(TRexCaches.SiteModelMetadataCacheName()),
new CacheConfiguration(TRexCaches.DesignTopologyExistenceMapsCacheName()),
new CacheConfiguration(TRexCaches.TAGFileBufferQueueCacheName()),
new CacheConfiguration(TRexCaches.SegmentRetirementQueueCacheName()),
new CacheConfiguration(TRexCaches.SiteModelChangeBufferQueueCacheName()),
new CacheConfiguration(TRexCaches.ProductionDataExistenceMapCacheName(StorageMutability.Mutable)),
new CacheConfiguration(TRexCaches.ProductionDataExistenceMapCacheName(StorageMutability.Mutable))
};
var igniteConfiguration = new IgniteConfiguration
{
CacheConfiguration = mockedConfigs
};
// Get the mocked Ignite instance and add the configuration to it
IgniteMock.Immutable.mockIgnite.Setup(x => x.GetConfiguration()).Returns(igniteConfiguration);
IgniteMock.Mutable.mockIgnite.Setup(x => x.GetConfiguration()).Returns(igniteConfiguration);
}
public void NonSpatialCacheName()
{
TRexCaches.NonSpatialCacheName(StorageMutability.Mutable, FileSystemStreamType.Events).Should().Be(TRexCaches.kNonSpatialMutable);
TRexCaches.NonSpatialCacheName(StorageMutability.Immutable, FileSystemStreamType.Events).Should().Be(TRexCaches.kNonSpatialImmutable);
TRexCaches.NonSpatialCacheName(StorageMutability.Immutable, FileSystemStreamType.SiteModelMachineElevationChangeMap).Should().Be(TRexCaches.kSiteModelChangeMapsCacheName);
TRexCaches.NonSpatialCacheName(StorageMutability.Immutable, FileSystemStreamType.SiteModelMachineElevationChangeMap).Should().Be(TRexCaches.kSiteModelChangeMapsCacheName);
}
public void SpatialCacheName()
{
TRexCaches.SpatialCacheName(StorageMutability.Mutable, FileSystemStreamType.SubGridDirectory).Should().Be(TRexCaches.kSpatialSubGridDirectoryMutable);
TRexCaches.SpatialCacheName(StorageMutability.Mutable, FileSystemStreamType.SubGridSegment).Should().Be(TRexCaches.kSpatialSubGridSegmentMutable);
TRexCaches.SpatialCacheName(StorageMutability.Immutable, FileSystemStreamType.SubGridDirectory).Should().Be(TRexCaches.kSpatialSubGridDirectoryImmutable);
TRexCaches.SpatialCacheName(StorageMutability.Immutable, FileSystemStreamType.SubGridSegment).Should().Be(TRexCaches.kSpatialSubGridSegmentImmutable);
TRexCaches.SpatialCacheName(StorageMutability.Mutable, FileSystemStreamType.SubGridExistenceMap).Should().Be(TRexCaches.kProductionDataExistenceMapCacheMutable);
TRexCaches.SpatialCacheName(StorageMutability.Immutable, FileSystemStreamType.SubGridExistenceMap).Should().Be(TRexCaches.kProductionDataExistenceMapCacheImmutable);
}
/// <summary>
/// Creates or obtains a reference to an already created TAG file buffer queue
/// </summary>
private void InstantiateCache()
{
var ignite = DIContext.Obtain <ITRexGridFactory>()?.Grid(StorageMutability.Mutable) ?? Ignition.GetIgnite(TRexGrids.MutableGridName());
_queueCache = ignite.GetCache <ITAGFileBufferQueueKey, TAGFileBufferQueueItem>(TRexCaches.TAGFileBufferQueueCacheName());
if (_queueCache == null)
{
_log.LogInformation($"Failed to get Ignite cache {TRexCaches.TAGFileBufferQueueCacheName()}");
throw new ArgumentException("Ignite cache not available");
}
}
public override void ConfigureNonSpatialMutableCache(CacheConfiguration cfg)
{
base.ConfigureNonSpatialMutableCache(cfg);
cfg.Name = TRexCaches.MutableNonSpatialCacheName();
cfg.KeepBinaryInStore = true;
cfg.CacheMode = CacheMode.Partitioned;
cfg.AffinityFunction = new MutableNonSpatialAffinityFunction();
cfg.Backups = 0;
// cfg.CopyOnRead = false; Leave as default as should have no effect with 2.1+ without on heap caching enabled
}
/// <summary>
/// Constructs a site model meta data manager instance oriented to the TRex grid that is the primary grid
/// referenced by the DI'd SiteModels instance
/// </summary>
public SiteModelMetadataManager(StorageMutability mutability)
{
// Obtain the ignite reference for the primary grid orientation of SiteModels
var ignite = DIContext.Obtain <ITRexGridFactory>()?.Grid(mutability);
metaDataCache = ignite?.GetOrCreateCache <Guid, ISiteModelMetadata>(ConfigureCache());
if (metaDataCache == null)
{
throw new TRexException($"Failed to get or create Ignite cache {TRexCaches.SiteModelMetadataCacheName()}, ignite reference is {ignite}");
}
}
private void InstantiateSiteModelsCacheReference()
{
immutableTRexGrid.GetOrCreateCache <INonSpatialAffinityKey, ISerialisedByteArrayWrapper>(new CacheConfiguration
{
Name = TRexCaches.SiteModelsCacheName(StorageMutability.Immutable),
KeepBinaryInStore = true,
CacheMode = CacheMode.Replicated,
Backups = 0, // No backups need as it is a replicated cache
DataRegionName = DataRegions.IMMUTABLE_NONSPATIAL_DATA_REGION
});
}
/// <summary>
/// Creates or obtains a reference to an already created change map file buffer queue
/// </summary>
private void InstantiateCache()
{
var ignite = DIContext.Obtain <ITRexGridFactory>()?.Grid(StorageMutability.Immutable) ??
Ignition.GetIgnite(TRexGrids.ImmutableGridName());
_queueCache = ignite?.GetCache <ISiteModelChangeBufferQueueKey, ISiteModelChangeBufferQueueItem>(
TRexCaches.SiteModelChangeBufferQueueCacheName());
if (_queueCache == null)
{
Log.LogInformation($"Failed to get Ignite cache {TRexCaches.SiteModelChangeBufferQueueCacheName()}");
throw new TRexException("Ignite cache not available");
}
}
public ICache <INonSpatialAffinityKey, ISerialisedByteArrayWrapper> InstantiateNonSpatialCacheReference()
{
var cfg = new CacheConfiguration();
base.ConfigureNonSpatialMutableCache(cfg);
cfg.Name = TRexCaches.MutableNonSpatialCacheName();
cfg.KeepBinaryInStore = true;
cfg.CacheMode = CacheMode.Partitioned;
cfg.AffinityFunction = new MutableNonSpatialAffinityFunction();
cfg.Backups = 0;
return(mutableTRexGrid.GetOrCreateCache <INonSpatialAffinityKey, ISerialisedByteArrayWrapper>(cfg));
}
private void InstantiateSiteModelsCacheReference()
{
mutableTRexGrid.GetOrCreateCache <INonSpatialAffinityKey, ISerialisedByteArrayWrapper>(new CacheConfiguration
{
Name = TRexCaches.SiteModelsCacheName(StorageMutability.Mutable),
KeepBinaryInStore = true,
CacheMode = CacheMode.Partitioned,
AffinityFunction = new MutableNonSpatialAffinityFunction(),
// TODO: No backups for now
Backups = 0,
DataRegionName = DataRegions.MUTABLE_NONSPATIAL_DATA_REGION
});
}
public void InstantiateTAGFileBufferQueueCacheReference()
{
var cfg = new CacheConfiguration
{
Name = TRexCaches.TAGFileBufferQueueCacheName(),
KeepBinaryInStore = true,
CacheMode = CacheMode.Partitioned,
AffinityFunction = new MutableNonSpatialAffinityFunction(),
DataRegionName = DataRegions.TAG_FILE_BUFFER_QUEUE_DATA_REGION,
// TODO: No backups for now
Backups = 0
};
mutableTRexGrid.GetOrCreateCache <ITAGFileBufferQueueKey, TAGFileBufferQueueItem>(cfg);
}
/// <summary>
/// Executes a request through it's generic types asynchronously
/// </summary>
/// <param name="arg"></param>
/// <param name="key">The spatial affinity key to be used to direct this request to the node owning the partition it maps to</param>
/// <returns></returns>
public virtual Task <TResponse> ExecuteAsync(TArgument arg, ISubGridSpatialAffinityKey key)
{
if (key == null)
{
throw new TRexException("Affinity based result execution requires an affinity key");
}
// Construct the function to be used
var func = new TComputeFunc
{
Argument = arg
};
// Send the result to the affinity bound node compute pool
return(Compute != null?Compute.AffinityCallAsync(TRexCaches.SpatialSubGridDirectoryCacheName(StorageMutability.Immutable), key, func) : Task.FromResult <TResponse>(null));
}
/// <summary>
/// Configure the parameters of the existence map cache
/// </summary>
private CacheConfiguration ConfigureCache()
{
return(new CacheConfiguration
{
Name = TRexCaches.SiteModelMetadataCacheName(),
// cfg.CopyOnRead = false; Leave as default as should have no effect with 2.1+ without on heap caching enabled
KeepBinaryInStore = true,
// Replicate the site model metadata across nodes
CacheMode = CacheMode.Replicated,
Backups = 0, // No backups needed as it is a replicated cache
DataRegionName = DataRegions.MUTABLE_NONSPATIAL_DATA_REGION
});
}
/// <summary>
/// Configure the parameters of the existence map cache
/// </summary>
private CacheConfiguration ConfigureDesignTopologyExistenceMapsCache()
{
return(new CacheConfiguration
{
Name = TRexCaches.DesignTopologyExistenceMapsCacheName(),
// cfg.CopyOnRead = false; Leave as default as should have no effect with 2.1+ without on heap caching enabled
KeepBinaryInStore = true,
// Replicate the maps across nodes
CacheMode = CacheMode.Partitioned,
AffinityFunction = new MutableNonSpatialAffinityFunction(),
Backups = 0, // No backups need as it is a replicated cache
DataRegionName = DataRegions.MUTABLE_NONSPATIAL_DATA_REGION
});
}
public void NonNullNames()
{
TRexCaches.DesignTopologyExistenceMapsCacheName().Should().NotBeNullOrWhiteSpace();
TRexCaches.ImmutableNonSpatialCacheName().Should().NotBeNullOrWhiteSpace();
TRexCaches.SpatialSubGridDirectoryCacheName(StorageMutability.Immutable).Should().NotBeNullOrWhiteSpace();
TRexCaches.SpatialSubGridDirectoryCacheName(StorageMutability.Mutable).Should().NotBeNullOrWhiteSpace();
TRexCaches.SpatialSubGridSegmentCacheName(StorageMutability.Immutable).Should().NotBeNullOrWhiteSpace();
TRexCaches.SpatialSubGridSegmentCacheName(StorageMutability.Mutable).Should().NotBeNullOrWhiteSpace();
TRexCaches.MutableNonSpatialCacheName().Should().NotBeNullOrWhiteSpace();
TRexCaches.SegmentRetirementQueueCacheName().Should().NotBeNullOrWhiteSpace();
TRexCaches.SiteModelMetadataCacheName().Should().NotBeNullOrWhiteSpace();
TRexCaches.SiteModelsCacheName(StorageMutability.Immutable).Should().NotBeNullOrWhiteSpace();
TRexCaches.SiteModelsCacheName(StorageMutability.Mutable).Should().NotBeNullOrWhiteSpace();
TRexCaches.TAGFileBufferQueueCacheName().Should().NotBeNullOrWhiteSpace();
TRexCaches.SiteModelChangeMapsCacheName().Should().NotBeNullOrWhiteSpace();
TRexCaches.ProductionDataExistenceMapCacheName(StorageMutability.Immutable).Should().NotBeNullOrWhiteSpace();
TRexCaches.ProductionDataExistenceMapCacheName(StorageMutability.Mutable).Should().NotBeNullOrWhiteSpace();
}
public ICache <INonSpatialAffinityKey, ISerialisedByteArrayWrapper> InstantiateNonSpatialCacheReference()
{
var cfg = new CacheConfiguration();
base.ConfigureNonSpatialImmutableCache(cfg);
cfg.Name = TRexCaches.ImmutableNonSpatialCacheName();
cfg.KeepBinaryInStore = true;
// Non-spatial (event) data is replicated to all nodes for local access
cfg.CacheMode = CacheMode.Replicated;
cfg.Backups = 0; // No backups need as it is a replicated cache
Console.WriteLine($"CacheConfig is: {cfg}");
Console.WriteLine($"immutableTRexGrid is : {immutableTRexGrid}");
return(immutableTRexGrid.GetOrCreateCache <INonSpatialAffinityKey, ISerialisedByteArrayWrapper>(cfg));
}
/// <summary>
/// Create the cache that holds the per project, per machine, change maps driven by TAG file ingest
/// Note: This machine based information is distinguished from that in the non-spatial cache in that
/// it is partitioned, rather than replicated.
/// </summary>
private void InstantiateSiteModelChangeBufferQueueCacheReference()
{
immutableTRexGrid.GetOrCreateCache <ISiteModelChangeBufferQueueKey, ISiteModelChangeBufferQueueItem>(new CacheConfiguration
{
Name = TRexCaches.SiteModelChangeBufferQueueCacheName(),
KeepBinaryInStore = true,
CacheMode = CacheMode.Partitioned,
// TODO: No backups for now
Backups = 0,
DataRegionName = DataRegions.IMMUTABLE_NONSPATIAL_DATA_REGION,
// Configure the function that maps the change maps to nodes in the grid
// Note: This cache uses an affinity function that assigns data for a site model onto a single node.
// For the purposes of the immutable grid, it is helpful for a node to contain all change maps for a single
// site model as this simplifies the process of updating those change maps in response to messages from production data ingest
AffinityFunction = new ProjectBasedSpatialAffinityFunction(),
});
}
public ICache <ISubGridSpatialAffinityKey, ISerialisedByteArrayWrapper> InstantiateSpatialSubGridSegmentCacheReference()
{
var cfg = new CacheConfiguration();
base.ConfigureImmutableSpatialCache(cfg);
cfg.Name = TRexCaches.SpatialSubGridSegmentCacheName(StorageMutability.Immutable);
cfg.KeepBinaryInStore = true;
// TODO: No backups for now
cfg.Backups = 0;
// Spatial data is partitioned among the server grid nodes according to spatial affinity mapping
cfg.CacheMode = CacheMode.Partitioned;
// Configure the function that maps sub grid data into the affinity map for the nodes in the grid
cfg.AffinityFunction = new SubGridBasedSpatialAffinityFunction();
return(immutableTRexGrid.GetOrCreateCache <ISubGridSpatialAffinityKey, ISerialisedByteArrayWrapper>(cfg));
}
/// <summary>
/// Constructs a segment retirement queue for the mutable ignite grid.
/// </summary>
public SegmentRetirementQueue()
{
var ignite = DIContext.Obtain <ITRexGridFactory>()?.Grid(StorageMutability.Mutable);
if (ignite == null)
{
throw new TRexException("Failed to obtain mutable grid Ignite reference");
}
_queueCache = ignite.GetOrCreateCache <ISegmentRetirementQueueKey, SegmentRetirementQueueItem>(
new CacheConfiguration
{
Name = TRexCaches.SegmentRetirementQueueCacheName(),
CacheMode = CacheMode.Partitioned,
// TODO: No backups for now
Backups = 0,
KeepBinaryInStore = true
});
}
/// <summary>
/// Create the caches that
/// </summary>
private void InstantiateRebuildSiteModelCacheReferences()
{
mutableTRexGrid.GetOrCreateCache <INonSpatialAffinityKey, IRebuildSiteModelMetaData>(new CacheConfiguration
{
Name = TRexCaches.SiteModelRebuilderMetaDataCacheName(),
KeepBinaryInStore = true,
CacheMode = CacheMode.Partitioned,
AffinityFunction = new MutableNonSpatialAffinityFunction(),
Backups = 0,
DataRegionName = DataRegions.MUTABLE_NONSPATIAL_DATA_REGION
});
mutableTRexGrid.GetOrCreateCache <INonSpatialAffinityKey, ISerialisedByteArrayWrapper>(new CacheConfiguration
{
Name = TRexCaches.SiteModelRebuilderFileKeyCollectionsCacheName(),
KeepBinaryInStore = true,
CacheMode = CacheMode.Partitioned,
AffinityFunction = new MutableNonSpatialAffinityFunction(),
Backups = 0,
DataRegionName = DataRegions.MUTABLE_NONSPATIAL_DATA_REGION
});
}
/// <summary>
/// Executes the life cycle of the service until it is aborted
/// </summary>
public void Execute(IServiceContext context)
{
try
{
if (_log == null)
{
Console.WriteLine($"Error: Null logger present in {nameof(TAGFileBufferQueueService)}.{nameof(Execute)}");
}
_log.LogInformation($"{nameof(TAGFileBufferQueueService)} {context.Name} starting executing");
_aborted = false;
_waitHandle = new EventWaitHandle(false, EventResetMode.AutoReset);
// Get the ignite grid and cache references
var ignite = DIContext.Obtain <ITRexGridFactory>()?.Grid(StorageMutability.Mutable) ??
Ignition.GetIgnite(TRexGrids.MutableGridName());
if (ignite == null)
{
_log.LogError("Ignite reference in service is null - aborting service execution");
return;
}
// Don't start operations until the local (mutable) grid is confirmed as active
DIContext.ObtainRequired <IActivatePersistentGridServer>().WaitUntilGridActive(TRexGrids.MutableGridName());
// Once active, delay start of operations for a time to ensure everything is up and running
var delay = DIContext.ObtainRequired <IConfigurationStore>().GetValueInt("TREX_TAG_FILE_BUFFER_QUEUE_SERVICE_OPERATION_START_DELAY_SECONDS", 120);
_log.LogInformation($"Delaying start of operations for {delay} seconds");
Thread.Sleep(delay * 1000);
_log.LogInformation("Obtaining queue cache reference");
var queueCache = ignite.GetCache <ITAGFileBufferQueueKey, TAGFileBufferQueueItem>(TRexCaches.TAGFileBufferQueueCacheName());
_handler = new TAGFileBufferQueueItemHandler();
while (_queryHandle == null && !_aborted)
{
try
{
// Construct the continuous query machinery
// Set the initial query to return all elements in the cache
// Instantiate the queryHandle and start the continuous query on the remote nodes
// Note: Only cache items held on this local node will be handled here
_log.LogInformation("Obtaining continuous query handle");
_queryHandle = queueCache.QueryContinuous
(qry: new ContinuousQuery <ITAGFileBufferQueueKey, TAGFileBufferQueueItem>(new LocalTAGFileListener(_handler))
{
Local = true
},
initialQry: new ScanQuery <ITAGFileBufferQueueKey, TAGFileBufferQueueItem> {
Local = true
});
}
catch (Exception e)
{
_log.LogError(e, "Exception while constructing continuous query, will sleep and retry");
Thread.Sleep(5000);
}
}
if (_queryHandle == null || _aborted)
{
_log.LogInformation("No query handle available, or aborting");
return;
}
using (_queryHandle)
{
// Perform the initial query to grab all existing elements and add them to the grouper
_log.LogInformation("Performing initial continuous query cursor scan of items");
_queryHandle.GetInitialQueryCursor().ForEach(item => _handler.Add(item.Key));
// Transition into steady state looking for new elements in the cache via the continuous query
while (!_aborted)
{
try
{
// Cycle looking for new work to do as TAG files arrive until aborted...
_log.LogInformation("Entering steady state continuous query scan of items to process in TAGFileBufferQueue");
do
{
_waitHandle.WaitOne(_serviceCheckIntervalMs);
//Log.LogInformation("Continuous query scan of items to process in TAGFileBufferQueue still active");
} while (!_aborted);
}
catch (Exception e)
{
_log.LogError(e, "Tag file buffer service unhandled exception, waiting and trying again");
// Sleep for 5 seconds to see if things come right and then try again
Thread.Sleep(5000);
}
}
}
_handler.Cancel();
}
catch (Exception e)
{
_log.LogError(e, "Exception occurred performing initial set up of continuous query and scan of existing items");
}
finally
{
_log.LogInformation($"{nameof(TAGFileBufferQueueService)} {context.Name} completed executing");
}
}
public async void ExecuteAsync_SingleTAGFile(bool treatMachineAsJohnDoe)
{
var testGuid = Guid.NewGuid();
var mutableIgniteMock = IgniteMock.Mutable;
AddApplicationGridRouting();
// Construct a site model from a single TAG file
var tagFiles = new[] { Path.Combine(TestHelper.CommonTestDataPath, "TestTAGFile.tag") };
var siteModel = DITAGFileAndSubGridRequestsFixture.BuildModel(tagFiles, out _, true, false, treatMachineAsJohnDoe);
// Push the tag file into the S3 bucket
var uidForArchiveRepresentation = treatMachineAsJohnDoe ? Guid.Empty : siteModel.Machines[0].ID;
var s3Proxy = DIContext.Obtain <Func <TransferProxyType, IS3FileTransfer> >()(TransferProxyType.TAGFiles);
s3Proxy.WriteFile(tagFiles[0], $"{siteModel.ID}/{uidForArchiveRepresentation}/{Path.GetFileName(tagFiles[0])}");
var rebuilder = CreateBuilder(siteModel.ID, false, TransferProxyType.TAGFiles);
// Add the rebuilder to the manager in a 'hands-off' mode to allow notification routing to it.
var manager = DIContext.Obtain <ISiteModelRebuilderManager>();
manager.AddRebuilder(rebuilder).Should().BeTrue();
// Start the rebuild executing
var rebuilderTask = rebuilder.ExecuteAsync();
// Wait until the rebuilder is in the monitoring state and then inject the contents of the tag file buffer queue cache into the handler
while (rebuilder.Metadata.Phase != RebuildSiteModelPhase.Monitoring)
{
await Task.Delay(1000);
}
var mockQueueCacheDictionary = mutableIgniteMock.MockedCacheDictionaries[TRexCaches.TAGFileBufferQueueCacheName()] as Dictionary <ITAGFileBufferQueueKey, TAGFileBufferQueueItem>;
var handler = new TAGFileBufferQueueItemHandler();
handler.Should().NotBeNull();
// Inject the keys for the handler to use to extract the TAG file content to be processed.
mockQueueCacheDictionary.ForEach(kv => handler.Add(kv.Key));
// Now wait for the rebuilder task to complete
var result = await rebuilderTask;
result.Should().NotBeNull();
result.DeletionResult.Should().Be(DeleteSiteModelResult.OK);
result.RebuildResult.Should().Be(RebuildSiteModelResult.OK);
result.NumberOfTAGFileKeyCollections.Should().Be(1);
result.NumberOfTAGFilesProcessed.Should().Be(1);
result.NumberOfTAGFilesFromS3.Should().Be(1);
result.LastProcessedTagFile.Should().Be(Path.GetFileName(tagFiles[0]));
// Get the site model again and validate that there is still a single machine with the expected John Doe status
siteModel = DIContext.Obtain <ISiteModels>().GetSiteModel(siteModel.ID);
siteModel.Machines.Count.Should().Be(1);
siteModel.Machines[0].IsJohnDoeMachine.Should().Be(treatMachineAsJohnDoe);
// Belt and braces - clean the mocked TAG file buffer queue
mockQueueCacheDictionary.Clear();
}
/// <summary>
/// Add the factories for the storage proxy caches, both standard and transacted, for spatial and non spatial caches in TRex
/// </summary>
private static void AddDIEntries()
{
DIBuilder.Continue()
//***********************************************
// Injected factories for non-transacted proxies
// **********************************************
// Add the singleton reference to the non-transacted site model change map cache
.Add(x => x.AddSingleton <Func <IStorageProxyCache <ISiteModelChangeBufferQueueKey, ISiteModelChangeBufferQueueItem> > >(
() => new StorageProxyCache <ISiteModelChangeBufferQueueKey, ISiteModelChangeBufferQueueItem>(DIContext.Obtain <ITRexGridFactory>()
.Grid(StorageMutability.Immutable)?
.GetCache <ISiteModelChangeBufferQueueKey, ISiteModelChangeBufferQueueItem>(TRexCaches.SiteModelChangeBufferQueueCacheName())))
)
//******************************************
// Injected factories for transacted proxies
// *****************************************
// Add the singleton reference to the transacted site model change map cache
.Add(x => x.AddSingleton <Func <IStorageProxyCacheTransacted <ISiteModelChangeBufferQueueKey, ISiteModelChangeBufferQueueItem> > >(
() => new StorageProxyCacheTransacted <ISiteModelChangeBufferQueueKey, ISiteModelChangeBufferQueueItem>(DIContext.Obtain <ITRexGridFactory>()
.Grid(StorageMutability.Immutable)?
.GetCache <ISiteModelChangeBufferQueueKey, ISiteModelChangeBufferQueueItem>(TRexCaches.SiteModelChangeBufferQueueCacheName()), new SiteModelChangeBufferQueueKeyEqualityComparer())
));
}
/// <summary>
/// No-arg constructor. Instantiates the continuous query and performs initial scan of elements that the remote filter
/// will populate into the node-local groupers within the mutable grid.
/// </summary>
public SegmentRetirementQueueManager(bool runLocally)
{
_log.LogInformation("Establishing segment retirement queue cache context");
// Get the ignite grid and cache references
_ignite = DIContext.Obtain <ITRexGridFactory>()?.Grid(StorageMutability.Mutable) ?? Ignition.GetIgnite(TRexGrids.MutableGridName());
var queueCache = _ignite.GetCache <ISegmentRetirementQueueKey, SegmentRetirementQueueItem>(TRexCaches.SegmentRetirementQueueCacheName());
// Todo: Create a thread to periodically (needed if we don't go down the service route
// ....
_log.LogInformation("Completed segment retirement queue manager initialization");
}
/// <summary>
/// Default no-args constructor that prepares a spatial affinity partition map for the immutable spatial caches
/// </summary>
public ImmutableSpatialAffinityPartitionMap() :
base(DIContext.Obtain <ITRexGridFactory>()?.Grid(StorageMutability.Immutable)
.GetCache <ISubGridSpatialAffinityKey, ISerialisedByteArrayWrapper>(TRexCaches.SpatialSubGridDirectoryCacheName(StorageMutability.Immutable)))
{
}
public void Test_TAGFileBufferQueue_AddingTAGFile()
{
EnsureServer();
var queue = new TAGFileBufferQueue();
Assert.NotNull(queue);
// Load a TAG file and add it to the queue. Verify the TAG file appears in the cache
var tagFileName = "TestTAGFile-TAGFile-Read-Stream.tag";
var projectUid = Guid.NewGuid();
var assetUid = Guid.NewGuid();
byte[] tagContent;
using (var tagFileStream =
new FileStream(Path.Combine("TestData", "TAGFiles", tagFileName),
FileMode.Open, FileAccess.Read))
{
tagContent = new byte[tagFileStream.Length];
tagFileStream.Read(tagContent, 0, (int)tagFileStream.Length);
}
var tagKey = new TAGFileBufferQueueKey(tagFileName, projectUid, assetUid);
var tagItem = new TAGFileBufferQueueItem
{
InsertUTC = DateTime.UtcNow,
ProjectID = projectUid,
AssetID = assetUid,
FileName = tagFileName,
Content = tagContent
};
// Perform the actual add
queue.Add(tagKey, tagItem);
// Read it back from the cache to ensure it was added as expected.
var queueCache = _ignite.GetCache <ITAGFileBufferQueueKey, TAGFileBufferQueueItem>(TRexCaches.TAGFileBufferQueueCacheName());
var tagItem2 = queueCache.Get(tagKey);
Assert.True(tagItem2 != null, "Tag item read back from buffer queue cache was null");
Assert.True(tagItem.Content.Length == tagItem2.Content.Length, "Tag content lengths different");
Assert.True(tagItem.InsertUTC == tagItem2.InsertUTC, "Tag insert UTCs different");
Assert.True(tagItem.AssetID == tagItem2.AssetID, "Tag AssetUIDs different");
Assert.True(tagItem.FileName == tagItem2.FileName, "Tag FileNames different");
Assert.True(tagItem.ProjectID == tagItem2.ProjectID, "Tag ProjectUIDs different");
}
public void SiteModelsCacheName()
{
TRexCaches.NonSpatialCacheName(StorageMutability.Mutable, FileSystemStreamType.ProductionDataXML).Should().Be(TRexCaches.kSiteModelsCacheMutable);
TRexCaches.NonSpatialCacheName(StorageMutability.Immutable, FileSystemStreamType.ProductionDataXML).Should().Be(TRexCaches.kSiteModelsCacheImmutable);
}
/// <summary>
/// Default no-arg constructor supplied default TRex grid and MutableNonSpatial cache name for surveyed surface information
/// </summary>
public SurveyedSurfaceService(StorageMutability mutability) : base(TRexGrids.GridName(mutability), "SurveyedSurfaceService")
{
CacheName = TRexCaches.ImmutableNonSpatialCacheName();
}
/// <summary>
/// Executes the life cycle of the service until it is aborted
/// </summary>
public void Execute(IServiceContext context)
{
try
{
_log.LogInformation($"{nameof(SegmentRetirementQueueService)} {context.Name} starting executing");
_aborted = false;
_waitHandle = new EventWaitHandle(false, EventResetMode.AutoReset);
// Get the ignite grid and cache references
var mutableIgnite = DIContext.Obtain <ITRexGridFactory>()?.Grid(StorageMutability.Mutable) ?? Ignition.GetIgnite(TRexGrids.MutableGridName());
if (mutableIgnite == null)
{
_log.LogError("Mutable Ignite reference in service is null - aborting service execution");
return;
}
// Don't start operations until the local (mutable) grid is confirmed as active
DIContext.ObtainRequired <IActivatePersistentGridServer>().WaitUntilGridActive(TRexGrids.MutableGridName());
// Once active, delay start of operations for a time to ensure everything is up and running
var delay = DIContext.ObtainRequired <IConfigurationStore>().GetValueInt("TREX_SEGMENT_RETIREMENT_QUEUE_SERVICE_OPERATION_START_DELAY_SECONDS", 120);
_log.LogInformation($"Delaying start of operations for {delay} seconds");
Thread.Sleep(delay * 1000);
_log.LogInformation("Obtaining queue cache reference");
var queueCache = mutableIgnite.GetCache <ISegmentRetirementQueueKey, SegmentRetirementQueueItem>(TRexCaches.TAGFileBufferQueueCacheName());
var queue = new SegmentRetirementQueue();
var handler = new SegmentRetirementQueueItemHandler();
// Cycle looking for new work to do until aborted...
do
{
try
{
// Obtain a specific local mutable storage proxy so as to have a local transactional proxy
// for this activity
var storageProxy = DIContext.Obtain <IStorageProxyFactory>().MutableGridStorage();
if (storageProxy.Mutability != StorageMutability.Mutable)
{
throw new TRexException("Non mutable storage proxy available to segment retirement queue");
}
_log.LogInformation("About to query retiree spatial streams from cache");
var earlierThan = DateTime.UtcNow - retirementAge;
// Retrieve the list of segments to be retired
var retirees = queue.Query(earlierThan);
// Pass the list to the handler for action
var retireesCount = retirees?.Count ?? 0;
if (retireesCount > 0)
{
_log.LogInformation($"About to retire {retireesCount} groups of spatial streams from mutable and immutable contexts");
if (handler.Process(storageProxy, queueCache, retirees))
{
if (_reportDetailedSegmentRetirementActivityToLog)
{
_log.LogInformation($"Successfully retired {retireesCount} spatial streams from mutable and immutable contexts");
}
// Remove the elements from the segment retirement queue
queue.Remove(earlierThan);
}
else
{
_log.LogError($"Failed to retire {retireesCount} spatial streams from mutable and immutable contexts");
}
}
}
catch (Exception e)
{
_log.LogError(e, "Exception reported while obtaining new group of retirees to process:");
}
_waitHandle.WaitOne(SEGMENT_RETIREMENT_QUEUE_SERVICE_CHECK_INTERVAL_MS);
} while (!_aborted);
}
catch (Exception e)
{
_log.LogError(e, $"Unhandled exception occurred in {nameof(SegmentRetirementQueueService)}");
}
finally
{
_log.LogInformation($"{nameof(SegmentRetirementQueueService)} {context.Name} completed executing");
}
}
/// <summary>
/// Add the factories for the storage proxy caches, both standard and transacted, for spatial and non spatial caches in TRex
/// </summary>
private static void AddDIEntries()
{
DIBuilder.Continue()
.Add(x => x.AddSingleton <IStorageProxyFactory>(new StorageProxyFactory()))
//***********************************************
// Injected factories for non-transacted proxies
// **********************************************
.Add(x => x.AddSingleton <Func <IIgnite, StorageMutability, FileSystemStreamType, IStorageProxyCache <ISubGridSpatialAffinityKey, ISerialisedByteArrayWrapper> > >
(factory => (ignite, mutability, streamType) => new StorageProxyCache <ISubGridSpatialAffinityKey, ISerialisedByteArrayWrapper>(ignite?.GetCache <ISubGridSpatialAffinityKey, ISerialisedByteArrayWrapper>(TRexCaches.SpatialCacheName(mutability, streamType)))))
.Add(x => x.AddSingleton <Func <IIgnite, StorageMutability, FileSystemStreamType, IStorageProxyCache <INonSpatialAffinityKey, ISerialisedByteArrayWrapper> > >
(factory => (ignite, mutability, streamType) => new StorageProxyCache <INonSpatialAffinityKey, ISerialisedByteArrayWrapper>(ignite?.GetCache <INonSpatialAffinityKey, ISerialisedByteArrayWrapper>(TRexCaches.NonSpatialCacheName(mutability, streamType)))))
.Add(x => x.AddSingleton <Func <IIgnite, StorageMutability, FileSystemStreamType, IStorageProxyCache <ISiteModelMachineAffinityKey, ISerialisedByteArrayWrapper> > >
(factory => (ignite, mutability, streamType) =>
{
// SiteModel change maps are only maintained on the immutable grid
if (mutability != StorageMutability.Immutable)
{
return(null);
}
return(new StorageProxyCache <ISiteModelMachineAffinityKey, ISerialisedByteArrayWrapper>(ignite?.GetCache <ISiteModelMachineAffinityKey, ISerialisedByteArrayWrapper>(TRexCaches.NonSpatialCacheName(mutability, streamType))));
}))
//***********************************************
// Injected factories for transacted proxies
// **********************************************
.Add(x => x.AddSingleton <Func <IIgnite, StorageMutability, FileSystemStreamType, IStorageProxyCacheTransacted <ISubGridSpatialAffinityKey, ISerialisedByteArrayWrapper> > >
(factory => (ignite, mutability, streamType) => new StorageProxyCacheTransacted <ISubGridSpatialAffinityKey, ISerialisedByteArrayWrapper>(ignite?.GetCache <ISubGridSpatialAffinityKey, ISerialisedByteArrayWrapper>(TRexCaches.SpatialCacheName(mutability, streamType)), new SubGridSpatialAffinityKeyEqualityComparer())))
.Add(x => x.AddSingleton <Func <IIgnite, StorageMutability, FileSystemStreamType, IStorageProxyCacheTransacted <INonSpatialAffinityKey, ISerialisedByteArrayWrapper> > >
(factory => (ignite, mutability, streamType) => new StorageProxyCacheTransacted <INonSpatialAffinityKey, ISerialisedByteArrayWrapper>(ignite?.GetCache <INonSpatialAffinityKey, ISerialisedByteArrayWrapper>(TRexCaches.NonSpatialCacheName(mutability, streamType)), new NonSpatialAffinityKeyEqualityComparer())))
.Add(x => x.AddSingleton <Func <IIgnite, StorageMutability, FileSystemStreamType, IStorageProxyCacheTransacted <ISiteModelMachineAffinityKey, ISerialisedByteArrayWrapper> > >
(factory => (ignite, mutability, streamType) =>
{
// SiteModel change maps are only maintained on the immutable grid
if (mutability != StorageMutability.Immutable)
{
return(null);
}
return(new StorageProxyCacheTransacted <ISiteModelMachineAffinityKey, ISerialisedByteArrayWrapper>(ignite?.GetCache <ISiteModelMachineAffinityKey, ISerialisedByteArrayWrapper>(TRexCaches.NonSpatialCacheName(mutability, streamType)), new SiteModelMachineAffinityKeyEqualityComparer()));
}));
}
