private static Cache BuildCache(ClusterManifest clusterManifest)
{
var available = new Dictionary <GrainInterfaceType, List <ushort> >();
var supportedInterfaces = new Dictionary <(GrainInterfaceType, ushort), List <SiloAddress> >();
var supportedGrains = new Dictionary <GrainType, List <SiloAddress> >();
foreach (var entry in clusterManifest.Silos)
{
var silo = entry.Key;
var manifest = entry.Value;
foreach (var grainInterface in manifest.Interfaces)
{
var id = grainInterface.Key;
if (!grainInterface.Value.Properties.TryGetValue(WellKnownGrainInterfaceProperties.Version, out var versionString) ||
!ushort.TryParse(versionString, out var version))
{
version = 0;
}
if (!available.TryGetValue(id, out var versions))
{
available[id] = new List <ushort> {
version
};
}
else if (!versions.Contains(version))
{
versions.Add(version);
}
if (!supportedInterfaces.TryGetValue((id, version), out var supportedSilos))
{
supportedInterfaces[(id, version)] = new List <SiloAddress> {
public ClusterManifestProvider(
ILocalSiloDetails localSiloDetails,
SiloManifestProvider siloManifestProvider,
ClusterMembershipService clusterMembershipService,
IFatalErrorHandler fatalErrorHandler,
ILogger <ClusterManifestProvider> logger,
IServiceProvider services)
{
_localSiloAddress = localSiloDetails.SiloAddress;
_logger = logger;
_services = services;
_clusterMembershipService = clusterMembershipService;
_fatalErrorHandler = fatalErrorHandler;
this.LocalGrainManifest = siloManifestProvider.SiloManifest;
_current = new ClusterManifest(
MajorMinorVersion.Zero,
ImmutableDictionary.CreateRange(new[] { new KeyValuePair <SiloAddress, GrainManifest>(localSiloDetails.SiloAddress, this.LocalGrainManifest) }),
ImmutableArray.Create(this.LocalGrainManifest));
_updates = new AsyncEnumerable <ClusterManifest>(
(previous, proposed) => previous.Version <= MajorMinorVersion.Zero || proposed.Version > previous.Version,
_current)
{
OnPublished = update => Interlocked.Exchange(ref _current, update)
};
}
public ClusterManifestProvider(
ILocalSiloDetails localSiloDetails,
SiloManifest localSiloManifest,
IInternalGrainFactory grainFactory,
ClusterMembershipService clusterMembershipService,
IFatalErrorHandler fatalErrorHandler,
ILogger <ClusterManifestProvider> logger,
IOptions <TypeManagementOptions> options,
IServiceProvider services)
{
_localSiloAddress = localSiloDetails.SiloAddress;
_grainFactory = grainFactory;
_logger = logger;
_services = services;
_clusterMembershipService = clusterMembershipService;
_fatalErrorHandler = fatalErrorHandler;
_options = options.Value;
_current = new ClusterManifest(
MajorMinorVersion.Zero,
ImmutableDictionary.CreateRange(new[] { new KeyValuePair <SiloAddress, SiloManifest>(localSiloDetails.SiloAddress, localSiloManifest) }));
_updates = new AsyncEnumerable <ClusterManifest>(
(previous, proposed) => previous.Version <= MajorMinorVersion.Zero || proposed.Version > previous.Version,
_current)
{
OnPublished = update => Interlocked.Exchange(ref _current, update)
};
}
/// <summary>
/// Serializes the object to JSON.
/// </summary>
/// <param name="writer">The <see cref="T: Newtonsoft.Json.JsonWriter" /> to write to.</param>
/// <param name="obj">The object to serialize to JSON.</param>
internal static void Serialize(JsonWriter writer, ClusterManifest obj)
{
// Required properties are always serialized, optional properties are serialized when not null.
writer.WriteStartObject();
if (obj.Manifest != null)
{
writer.WriteProperty(obj.Manifest, "Manifest", JsonWriterExtensions.WriteStringValue);
}
writer.WriteEndObject();
}
/// <summary>
/// Builds a cached resolution mapping.
/// </summary>
/// <param name="clusterManifest">The current cluster manifest.</param>
/// <returns>The cache.</returns>
private static Cache BuildCache(ClusterManifest clusterManifest)
{
var result = new Dictionary <GrainInterfaceType, CacheEntry>();
foreach (var manifest in clusterManifest.AllGrainManifests)
{
foreach (var grainType in manifest.Grains)
{
var id = grainType.Key;
grainType.Value.Properties.TryGetValue(WellKnownGrainTypeProperties.TypeName, out var typeName);
grainType.Value.Properties.TryGetValue(WellKnownGrainTypeProperties.FullTypeName, out var fullTypeName);
foreach (var property in grainType.Value.Properties)
{
if (!property.Key.StartsWith(WellKnownGrainTypeProperties.ImplementedInterfacePrefix, StringComparison.Ordinal))
{
continue;
}
var implemented = GrainInterfaceType.Create(property.Value);
string interfaceTypeName;
if (manifest.Interfaces.TryGetValue(implemented, out var interfaceProperties))
{
interfaceProperties.Properties.TryGetValue(WellKnownGrainInterfaceProperties.TypeName, out interfaceTypeName);
}
else
{
interfaceTypeName = null;
}
// Try to work out the best primary implementation
result.TryGetValue(implemented, out var entry);
var implementations = entry.Implementations ?? new List <(string Prefix, GrainType GrainType)>();
if (!implementations.Contains((fullTypeName, id)))
{
implementations.Add((fullTypeName, id));
}
GrainType primaryImplementation;
if (!entry.PrimaryImplementation.IsDefault)
{
primaryImplementation = entry.PrimaryImplementation;
}
else if (interfaceProperties?.Properties is { } props&& props.TryGetValue(WellKnownGrainInterfaceProperties.DefaultGrainType, out var defaultTypeString))
{
// A specified default grain type trumps others.
primaryImplementation = GrainType.Create(defaultTypeString);
}
public ManagementGrain(
IInternalGrainFactory internalGrainFactory,
ISiloStatusOracle siloStatusOracle,
IVersionStore versionStore,
ILogger <ManagementGrain> logger,
MembershipTableManager membershipTableManager,
IClusterManifestProvider clusterManifestProvider,
Catalog catalog)
{
this.membershipTableManager = membershipTableManager;
this.siloManifest = clusterManifestProvider.LocalGrainManifest;
this.clusterManifest = clusterManifestProvider.Current;
this.internalGrainFactory = internalGrainFactory;
this.siloStatusOracle = siloStatusOracle;
this.versionStore = versionStore;
this.logger = logger;
this.catalog = catalog;
}
public ClientClusterManifestProvider(
IServiceProvider services,
GatewayManager gatewayManager,
ILogger <ClientClusterManifestProvider> logger,
ClientManifestProvider clientManifestProvider,
IOptions <TypeManagementOptions> typeManagementOptions)
{
_logger = logger;
_typeManagementOptions = typeManagementOptions.Value;
_services = services;
_gatewayManager = gatewayManager;
this.LocalGrainManifest = clientManifestProvider.ClientManifest;
_current = new ClusterManifest(MajorMinorVersion.Zero, ImmutableDictionary <SiloAddress, GrainManifest> .Empty, ImmutableArray.Create(this.LocalGrainManifest));
_updates = new AsyncEnumerable <ClusterManifest>(
(previous, proposed) => previous is null || proposed.Version == MajorMinorVersion.Zero || proposed.Version > previous.Version,
_current)
{
OnPublished = update => Interlocked.Exchange(ref _current, update)
};
}
/// <summary>
/// Builds a cached resolution mapping.
/// </summary>
/// <param name="clusterManifest">The current cluster manifest.</param>
/// <returns>The cache.</returns>
private static Cache BuildCache(ClusterManifest clusterManifest)
{
var result = new Dictionary <GrainInterfaceType, CacheEntry>();
foreach (var manifest in clusterManifest.AllGrainManifests)
{
GrainType knownPrimary = default;
foreach (var grainInterface in manifest.Interfaces)
{
var id = grainInterface.Key;
if (grainInterface.Value.Properties.TryGetValue(WellKnownGrainInterfaceProperties.DefaultGrainType, out var defaultTypeString))
{
knownPrimary = GrainType.Create(defaultTypeString);
continue;
}
}
foreach (var grainType in manifest.Grains)
{
var id = grainType.Key;
grainType.Value.Properties.TryGetValue(WellKnownGrainTypeProperties.TypeName, out var typeName);
grainType.Value.Properties.TryGetValue(WellKnownGrainTypeProperties.FullTypeName, out var fullTypeName);
foreach (var property in grainType.Value.Properties)
{
if (!property.Key.StartsWith(WellKnownGrainTypeProperties.ImplementedInterfacePrefix, StringComparison.Ordinal))
{
continue;
}
var implemented = GrainInterfaceType.Create(property.Value);
string interfaceTypeName;
if (manifest.Interfaces.TryGetValue(implemented, out var interfaceProperties))
{
interfaceProperties.Properties.TryGetValue(WellKnownGrainInterfaceProperties.TypeName, out interfaceTypeName);
}
else
{
interfaceTypeName = null;
}
// Try to work out the best primary implementation
result.TryGetValue(implemented, out var entry);
GrainType primaryImplementation;
if (!knownPrimary.IsDefault)
{
primaryImplementation = knownPrimary;
}
else if (!entry.PrimaryImplementation.IsDefault)
{
primaryImplementation = entry.PrimaryImplementation;
}
else if (string.Equals(interfaceTypeName?.Substring(1), typeName, StringComparison.Ordinal))
{
primaryImplementation = id;
}
else
{
primaryImplementation = default;
}
var implementations = entry.Implementations ?? new List <(string Prefix, GrainType GrainType)>();
if (!implementations.Contains((fullTypeName, id)))
{
implementations.Add((fullTypeName, id));
}
result[implemented] = new CacheEntry(primaryImplementation, implementations);
}
}
}
return(new Cache(clusterManifest.Version, result));
}
