private ServiceAndMethodDefinitions Resolve(ServiceId serviceId, MethodId methodId, bool assumeExternal = false)
{
var result = new ServiceAndMethodDefinitions();
if (_serviceResolver.TryResolve(serviceId, out var serviceRef))
{
result.Service = serviceRef.Definition;
// NOTE: system services are not unique within a multi-service ecosystem, thus must
// use the configuration of the calling (proxy) service without any specific method.
// Otherwise, a continuation can be sent to a wrong instance of a system service.
if (result.Service.Type == ServiceType.System && !string.IsNullOrEmpty(serviceId.Proxy))
{
return(Resolve(new ServiceId {
Name = serviceId.Proxy
}, null, assumeExternal));
}
result.Method = methodId == null ? null : _methodResolver.Resolve(result.Service, methodId).Definition;
}
else if (assumeExternal)
{
var externalServiceDefinition = _externalCommunicationModel.GetOrAddService(serviceId);
var externalMethodDefinition = methodId == null ? null : externalServiceDefinition.GetOrAddMethod(methodId);
result.Service = externalServiceDefinition;
result.Method = externalMethodDefinition;
}
else
{
throw new ServiceResolveException(serviceId);
}
return(result);
}
public static IServiceReference Resolve(this IServiceResolver resolver, ServiceId serviceId)
{
if (resolver.TryResolve(serviceId, out var serviceReference))
{
return(serviceReference);
}
throw new ServiceResolveException(serviceId);
}
public IEventPublisher GetPublisher(ServiceId serviceId, EventId eventId)
{
if (_eventingMethods.Count == 0)
{
throw new CommunicationMethodNotFoundException("There are no communication methods registered.");
}
IServiceDefinition serviceDefinition;
IEventDefinition eventDefinition;
if (_serviceResolver.TryResolve(serviceId, out var serviceRef))
{
serviceDefinition = serviceRef.Definition;
eventDefinition = _eventResolver.Resolve(serviceDefinition, eventId).Definition;
}
else
{
throw new ServiceResolveException(serviceId);
}
lock (_publisherMap)
{
if (_publisherMap.TryGetValue(eventDefinition, out var cachedCommunicator))
{
return(cachedCommunicator);
}
}
var localSettings = _communicationSettingsProvider.GetEventSettings(eventDefinition, external: false);
var externalSettings = _communicationSettingsProvider.GetEventSettings(eventDefinition, external: true);
var localEventingMethod = GetEventingMethod(localSettings.CommunicationType);
var externalEventingMethod = GetEventingMethod(externalSettings.CommunicationType);
var localPublisher = localEventingMethod.CreateEventPublisher(GetConfiguration(eventDefinition));
var publisher = localPublisher;
if (externalEventingMethod.Type != localEventingMethod.Type)
{
var externalPublisher = externalEventingMethod.CreateEventPublisher(GetConfiguration(eventDefinition, forceExternal: true));
publisher = new MulticastEventPublisher(localPublisher, externalPublisher);
}
lock (_publisherMap)
{
if (_publisherMap.TryGetValue(eventDefinition, out var cachedPublisher))
{
(publisher as IDisposable)?.Dispose();
return(cachedPublisher);
}
_publisherMap.Add(eventDefinition, publisher);
return(publisher);
}
}
private async void InvokeInBackground(MethodInvocationData data, PublishPreferences preferences)
{
if (!_serviceResolver.TryResolve(data.Service, out var service) ||
service.Definition.Type == Modeling.ServiceType.External)
{
var communicator = _communicatorProvider.GetCommunicator(data.Service, data.Method, assumeExternal: true);
await communicator.InvokeAsync(data, default);
}
else if (!preferences.SkipLocalSubscribers)
{
var message = new HttpCommunicatorMessage {
IsRetry = false
};
await _localMethodRunner.RunAsync(data, message);
}
}
private bool IsExternal(EventDescriptor eventDesc)
{
return(!_serviceResolver.TryResolve(eventDesc.Service, out var serviceReference) ||
serviceReference.Definition.Type == Modeling.ServiceType.External);
}
public Task <IEnumerable <IMessageListener> > StartListeningAsync(
IConfiguration configuration,
IServiceDefinition serviceDefinition,
IDictionary <IEventDefinition, IConfiguration> eventConfigMap,
CancellationToken ct)
{
// TODO: there are many scenarios that are not supported by the following code.
// For example, exchange's connection is different from services' queues.
var baseConnectionSettings = new ConnectionSettings();
configuration.Bind(baseConnectionSettings);
var baseConnection = _connectionManager.GetConnection(baseConnectionSettings);
var baseChannel = baseConnection.CreateModel();
foreach (var eventDefinition in serviceDefinition.Events)
{
if (!eventConfigMap.TryGetValue(eventDefinition, out var eventConfiguration))
{
eventConfiguration = configuration;
}
var listenerSettings = RabbitMQCommunicationMethod.CreateEventsDefaultSettings();
eventConfiguration.Bind(listenerSettings);
var exchangeName = listenerSettings.ExchangeName
.Replace("{serviceName}", serviceDefinition.Name)
.Replace("{eventName}", eventDefinition.Name);
// TODO: declare once? what's the penalty?
baseChannel.ExchangeDeclare(
exchangeName,
type: "fanout",
durable: true,
autoDelete: false,
arguments: null);
var eventDesc = new EventDescriptor
{
Service = new ServiceId {
Name = serviceDefinition.Name
},
Event = _eventIdProvider.GetId(eventDefinition.EventInfo)
};
foreach (var subscriber in _eventSubscriber.GetSubscribers(eventDesc))
{
if (!_serviceResolver.TryResolve(subscriber.Service, out var subscriberServiceReference))
{
continue;
}
if (!_methodResolver.TryResolve(subscriberServiceReference.Definition, subscriber.Method, out var subscriberMethodReference))
{
continue;
}
var subscriberMethodConfiguration = _communicationModelConfiguration.GetMethodConfiguration(subscriberMethodReference.Definition, "communication");
var subscriberSettings = RabbitMQCommunicationMethod.CreateMethodsDefaultSettings();
subscriberMethodConfiguration.Bind(subscriberSettings);
var subscriberQueueName = subscriberSettings.QueueName
.Replace("{serviceName}", subscriberServiceReference.Definition.Name)
.Replace("{methodName}", subscriberMethodReference.Definition.Name);
// TODO: declare once? what's the penalty?
baseChannel.QueueBind(
queue: subscriberQueueName,
exchange: exchangeName,
routingKey: "",
arguments: null);
}
}
// No direct listeners to RabbitMQ Exchanges, just configure exchange-queue bindings.
// TODO: if events (or subscribers) use a different connection,
// need to create a queue and a listener in that RabbitMQ instance.
return(Task.FromResult <IEnumerable <IMessageListener> >(Array.Empty <IMessageListener>()));
}
public async Task StartAsync(CancellationToken ct)
{
foreach (var serviceDefinition in _communicationModel.Services)
{
if (serviceDefinition.Type == ServiceType.External)
{
var serviceConfig = _communicationModelConfiguration.GetEventsConfiguration(serviceDefinition, CommunicationSectionName);
var serviceCommunicationType = GetCommunicationType(serviceConfig);
var serviceId = new ServiceId {
Name = serviceDefinition.Name
};
var anySubscriberToAnyEvent = false;
var eventOverridesMap = new Dictionary <string, Dictionary <IEventDefinition, IConfiguration> >(StringComparer.OrdinalIgnoreCase);
foreach (var eventDefinition in serviceDefinition.Events)
{
var eventId = _eventIdProvider.GetId(eventDefinition.EventInfo);
var eventDesc = new EventDescriptor {
Service = serviceId, Event = eventId
};
var subscribers = _eventSubscriber.GetSubscribers(eventDesc).ToList();
if (subscribers.Count == 0)
{
continue;
}
var anySubscriberToThisEvent = false;
foreach (var subscriber in subscribers)
{
if (_serviceResolver.TryResolve(subscriber.Service, out _))
{
anySubscriberToThisEvent = true;
anySubscriberToAnyEvent = true;
break;
}
}
if (!anySubscriberToThisEvent)
{
continue;
}
if (_communicationModelConfiguration
.GetEventOverrideLevels(eventDefinition, CommunicationSectionName)
.HasFlag(ConfigOverrideLevels.Primitive))
{
var eventConfig = _communicationModelConfiguration.GetEventConfiguration(eventDefinition);
var eventCommunicationType = GetCommunicationType(eventConfig);
if (!eventOverridesMap.TryGetValue(eventCommunicationType, out var configMap))
{
configMap = new Dictionary <IEventDefinition, IConfiguration>();
eventOverridesMap.Add(eventCommunicationType, configMap);
}
configMap.Add(eventDefinition, eventConfig);
}
}
if (anySubscriberToAnyEvent)
{
if (!eventOverridesMap.TryGetValue(serviceCommunicationType, out var configMap))
{
configMap = new Dictionary <IEventDefinition, IConfiguration>();
}
await StartListeningEventsAsync(serviceCommunicationType, serviceDefinition, serviceConfig, configMap, ct);
var extraCommTypes = eventOverridesMap.Keys.Where(c => !string.Equals(c, serviceCommunicationType, StringComparison.OrdinalIgnoreCase));
foreach (var extraCommType in extraCommTypes)
{
configMap = eventOverridesMap[extraCommType];
await StartListeningEventsAsync(extraCommType, serviceDefinition, serviceConfig, configMap, ct);
}
}
}
else
{
var methodOverridesMap = new Dictionary <string, Dictionary <IMethodDefinition, IConfiguration> >(StringComparer.OrdinalIgnoreCase);
var eventOverridesMap = new Dictionary <string, Dictionary <IEventDefinition, IConfiguration> >(StringComparer.OrdinalIgnoreCase);
foreach (var methodDefinition in serviceDefinition.Methods)
{
if (_communicationModelConfiguration
.GetMethodOverrideLevels(methodDefinition, CommunicationSectionName)
.HasFlag(ConfigOverrideLevels.Primitive))
{
var methodConfig = _communicationModelConfiguration.GetMethodConfiguration(methodDefinition);
var methodCommunicationType = GetCommunicationType(methodConfig);
if (!methodOverridesMap.TryGetValue(methodCommunicationType, out var configMap))
{
configMap = new Dictionary <IMethodDefinition, IConfiguration>();
methodOverridesMap.Add(methodCommunicationType, configMap);
}
configMap.Add(methodDefinition, methodConfig);
}
}
foreach (var eventDefinition in serviceDefinition.Events)
{
if (_communicationModelConfiguration
.GetEventsOverrideLevels(serviceDefinition, CommunicationSectionName)
.HasFlag(ConfigOverrideLevels.Primitive))
{
var eventConfig = _communicationModelConfiguration.GetEventConfiguration(eventDefinition);
var eventCommunicationType = GetCommunicationType(eventConfig);
if (!eventOverridesMap.TryGetValue(eventCommunicationType, out var configMap))
{
configMap = new Dictionary <IEventDefinition, IConfiguration>();
eventOverridesMap.Add(eventCommunicationType, configMap);
}
configMap.Add(eventDefinition, eventConfig);
}
}
var hasQueriesOverride = (_communicationModelConfiguration
.GetQueriesOverrideLevels(serviceDefinition, CommunicationSectionName)
& (ConfigOverrideLevels.BasePrimitives | ConfigOverrideLevels.ServiceTypePrimitives | ConfigOverrideLevels.ServicePrimitives)) != default;
var hasCommandsOverride = (_communicationModelConfiguration
.GetCommandsOverrideLevels(serviceDefinition, CommunicationSectionName)
& (ConfigOverrideLevels.BasePrimitives | ConfigOverrideLevels.ServiceTypePrimitives | ConfigOverrideLevels.ServicePrimitives)) != default;
if (hasQueriesOverride || hasCommandsOverride)
{
var allQueriesConfig = _communicationModelConfiguration.GetQueriesConfiguration(serviceDefinition, CommunicationSectionName);
var allQueriesCommunicationType = GetCommunicationType(allQueriesConfig);
if (!methodOverridesMap.TryGetValue(allQueriesCommunicationType, out var methodConfigMap))
{
methodConfigMap = new Dictionary <IMethodDefinition, IConfiguration>();
}
await StartHadlingMethodsAsync(allQueriesCommunicationType, serviceDefinition, allQueriesConfig, methodConfigMap, ct);
var allCommandsConfig = _communicationModelConfiguration.GetCommandsConfiguration(serviceDefinition, CommunicationSectionName);
var allCommandsCommunicationType = GetCommunicationType(allCommandsConfig);
if (!methodOverridesMap.TryGetValue(allCommandsCommunicationType, out methodConfigMap))
{
methodConfigMap = new Dictionary <IMethodDefinition, IConfiguration>();
}
await StartHadlingMethodsAsync(allCommandsCommunicationType, serviceDefinition, allCommandsConfig, methodConfigMap, ct);
var methodsExtraCommTypes = methodOverridesMap.Keys.Where(c =>
!string.Equals(c, allQueriesCommunicationType, StringComparison.OrdinalIgnoreCase) &&
!string.Equals(c, allCommandsCommunicationType, StringComparison.OrdinalIgnoreCase));
foreach (var methodExtraCommType in methodsExtraCommTypes)
{
methodConfigMap = methodOverridesMap[methodExtraCommType];
var queryConfigMap = new Dictionary <IMethodDefinition, IConfiguration>();
var commandConfigMap = new Dictionary <IMethodDefinition, IConfiguration>();
foreach (var pair in methodConfigMap)
{
if (pair.Key.IsQuery)
{
queryConfigMap.Add(pair.Key, pair.Value);
}
else
{
commandConfigMap.Add(pair.Key, pair.Value);
}
}
if (queryConfigMap.Count > 0)
{
await StartHadlingMethodsAsync(methodExtraCommType, serviceDefinition, allQueriesConfig, queryConfigMap, ct);
}
if (commandConfigMap.Count > 0)
{
await StartHadlingMethodsAsync(methodExtraCommType, serviceDefinition, allCommandsConfig, commandConfigMap, ct);
}
}
}
else
{
var serviceConfig = _communicationModelConfiguration.GetServiceConfiguration(serviceDefinition, CommunicationSectionName);
var serviceCommunicationType = GetCommunicationType(serviceConfig);
if (!methodOverridesMap.TryGetValue(serviceCommunicationType, out var methodConfigMap))
{
methodConfigMap = new Dictionary <IMethodDefinition, IConfiguration>();
}
await StartHadlingMethodsAsync(serviceCommunicationType, serviceDefinition, serviceConfig, methodConfigMap, ct);
var methodsExtraCommTypes = methodOverridesMap.Keys.Where(c => !string.Equals(c, serviceCommunicationType, StringComparison.OrdinalIgnoreCase));
foreach (var methodExtraCommType in methodsExtraCommTypes)
{
methodConfigMap = methodOverridesMap[methodExtraCommType];
await StartHadlingMethodsAsync(methodExtraCommType, serviceDefinition, serviceConfig, methodConfigMap, ct);
}
}
var allEventsConfig = _communicationModelConfiguration.GetEventsConfiguration(serviceDefinition, CommunicationSectionName);
var allEventsCommunicationType = GetCommunicationType(allEventsConfig);
if (!eventOverridesMap.TryGetValue(allEventsCommunicationType, out var eventConfigMap))
{
eventConfigMap = new Dictionary <IEventDefinition, IConfiguration>();
}
await StartListeningEventsAsync(allEventsCommunicationType, serviceDefinition, allEventsConfig, eventConfigMap, ct);
var eventsExtraCommTypes = eventOverridesMap.Keys.Where(c => !string.Equals(c, allEventsCommunicationType, StringComparison.OrdinalIgnoreCase));
foreach (var eventExtraCommType in eventsExtraCommTypes)
{
eventConfigMap = eventOverridesMap[eventExtraCommType];
await StartListeningEventsAsync(eventExtraCommType, serviceDefinition, allEventsConfig, eventConfigMap, ct);
}
}
}
}
public async Task HandleAsync(PathString basePath, HttpContext context, CancellationToken ct)
{
var isQueryRequest = context.Request.Method == "GET";
var isCommandRequest = context.Request.Method == "POST";
if (!isQueryRequest && !isCommandRequest)
{
await ReplyWithTextError(context.Response, 405, "Only GET and POST verbs are allowed");
return;
}
var headers = context.Response.Headers;
headers.Add(DasyncHttpHeaders.PoweredBy, "D-ASYNC");
var basePathSegmentCount = basePath.Value.Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries).Length;
var pathSegments = context.Request.Path.Value.Split(new[] { '/' }, StringSplitOptions.RemoveEmptyEntries).Skip(basePathSegmentCount).ToArray();
if (pathSegments.Length == 0)
{
await ReplyWithTextError(context.Response, 404, "Empty request URL");
return;
}
var serviceId = new ServiceId {
Name = pathSegments[0]
};
if (!_serviceResolver.TryResolve(serviceId, out var serviceReference))
{
await ReplyWithTextError(context.Response, 404, $"Service '{serviceId.Name}' is not registered");
return;
}
if (serviceReference.Definition.Type == ServiceType.External)
{
await ReplyWithTextError(context.Response, 404, $"Cannot invoke external service '{serviceReference.Definition.Name}' on your behalf");
return;
}
if (pathSegments.Length == 1)
{
await ReplyWithTextError(context.Response, 404, "The request URL does not contain a service method");
return;
}
var methodId = new MethodId {
Name = pathSegments[1]
};
string methodIntentId = null;
if (pathSegments.Length == 3)
{
methodIntentId = pathSegments[2];
if (isQueryRequest)
{
await HandleResultPoll(context, serviceReference.Id, methodId, methodIntentId);
return;
}
}
if (pathSegments.Length > 3)
{
await ReplyWithTextError(context.Response, 404, "The request URL contains extra segments");
return;
}
var contentType = context.Request.GetContentType();
ISerializer serializer;
try
{
serializer = GetSerializer(contentType, isQueryRequest);
}
catch (ArgumentException)
{
await ReplyWithTextError(context.Response, 406, $"The Content-Type '{contentType.MediaType}' is not supported");
return;
}
if (!_methodResolver.TryResolve(serviceReference.Definition, methodId, out var methodReference))
{
await ReplyWithTextError(context.Response, 404, $"The service '{serviceReference.Definition.Name}' does not have method '{methodId.Name}'");
return;
}
if (isQueryRequest && !methodReference.Definition.IsQuery)
{
await ReplyWithTextError(context.Response, 404, $"The method '{methodId.Name}' of service '{serviceReference.Definition.Name}' is a command, but not a query, thus must be invoked with the POST verb");
return;
}
MethodInvocationData invokeData = null;
MethodContinuationData continueData = null;
IValueContainer parametersContainer;
bool compressResponse = false;
bool respondWithEnvelope = false;
if (isQueryRequest)
{
var inputObject = new JObject();
foreach (var kvPair in context.Request.Query)
{
if (kvPair.Value.Count == 0)
{
continue;
}
var parameterName = kvPair.Key;
if (kvPair.Value.Count == 1)
{
var parameterValue = kvPair.Value[0];
inputObject.Add(parameterName, parameterValue);
}
else
{
var values = new JArray();
foreach (var value in kvPair.Value)
{
values.Add(value);
}
inputObject.Add(parameterName, values);
}
}
var parametersJson = inputObject.ToString();
parametersContainer = new SerializedValueContainer(parametersJson, _jsonSerializer);
invokeData = new MethodInvocationData
{
Service = serviceId,
Method = methodId,
Parameters = parametersContainer,
Caller = GetCaller(context.Request.Headers)
};
}
else
{
var payloadStream = context.Request.Body;
var encoding = context.Request.GetContentEncoding();
if (!string.IsNullOrEmpty(encoding))
{
if ("gzip".Equals(encoding, StringComparison.OrdinalIgnoreCase))
{
compressResponse = true;
payloadStream = new GZipStream(payloadStream, CompressionMode.Decompress, leaveOpen: true);
}
else if ("deflate".Equals(encoding, StringComparison.OrdinalIgnoreCase))
{
payloadStream = new DeflateStream(payloadStream, CompressionMode.Decompress, leaveOpen: true);
}
else
{
await ReplyWithTextError(context.Response, 406, $"The Content-Encoding '{encoding}' is not supported");
return;
}
}
var envelopeType = context.Request.Headers.GetValue(DasyncHttpHeaders.Envelope);
if (string.IsNullOrEmpty(envelopeType))
{
var payload = await payloadStream.ToBytesAsync();
parametersContainer = new SerializedValueContainer(payload, serializer);
if (string.IsNullOrEmpty(methodIntentId))
{
invokeData = new MethodInvocationData
{
Service = serviceId,
Method = methodId,
Parameters = parametersContainer,
Caller = GetCaller(context.Request.Headers)
};
}
else
{
continueData = new MethodContinuationData
{
Service = serviceId,
Method = methodId.CopyTo(new PersistedMethodId()),
Result = parametersContainer,
Caller = GetCaller(context.Request.Headers)
};
continueData.Method.IntentId = methodIntentId;
// TODO: get ETag from the query string
}
}
else if (envelopeType.Equals("invoke", StringComparison.OrdinalIgnoreCase))
{
respondWithEnvelope = true;
invokeData = await DeserializeAsync <MethodInvocationData>(serializer, payloadStream);
}
else if (envelopeType.Equals("continue", StringComparison.OrdinalIgnoreCase))
{
respondWithEnvelope = true;
continueData = await DeserializeAsync <MethodContinuationData>(serializer, payloadStream);
}
else
{
await ReplyWithTextError(context.Response, 406, $"Unknown envelope type '{envelopeType}'");
return;
}
}
var intentId = context.Request.Headers.GetValue(DasyncHttpHeaders.IntentId) ?? _idGenerator.NewId();
var externalRequestId = context.Request.Headers.GetValue(DasyncHttpHeaders.RequestId);
var externalCorrelationId = context.Request.Headers.GetValue(DasyncHttpHeaders.CorrelationId);
var isRetry = context.Request.Headers.IsRetry();
var rfc7240Preferences = context.Request.Headers.GetRFC7240Preferences();
var isHttpRequestBlockingExecution = !(rfc7240Preferences.RespondAsync == true);
var waitTime = rfc7240Preferences.Wait;
if (waitTime > MaxLongPollTime)
{
waitTime = MaxLongPollTime;
}
var waitForResult = isHttpRequestBlockingExecution || waitTime > TimeSpan.Zero;
var communicatorMessage = new HttpCommunicatorMessage
{
IsRetry = isRetry,
RequestId = externalRequestId,
WaitForResult = waitForResult
};
if (invokeData != null)
{
if (invokeData.IntentId == null)
{
invokeData.IntentId = intentId;
}
var invokeTask = _localTransitionRunner.RunAsync(invokeData, communicatorMessage);
if (isHttpRequestBlockingExecution)
{
var invocationResult = await invokeTask;
if (invocationResult.Outcome == InvocationOutcome.Complete)
{
await RespondWithMethodResult(context.Response, invocationResult.Result, serializer, respondWithEnvelope, compressResponse);
return;
}
if (waitForResult)
{
var taskResult = await TryWaitForResultAsync(
serviceReference.Id,
methodId, intentId, waitTime);
if (taskResult != null)
{
await RespondWithMethodResult(context.Response, taskResult, serializer, respondWithEnvelope, compressResponse);
return;
}
}
}
else
{
// TODO: continue 'invokeTask' and handle exceptions in background
}
communicatorMessage.WaitForResult = false;
var location = string.Concat(context.Request.Path, "/", intentId);
context.Response.Headers.Add("Location", location);
context.Response.Headers.Add(DasyncHttpHeaders.IntentId, intentId);
context.Response.StatusCode = DasyncHttpCodes.Scheduled;
}
else if (continueData != null)
{
if (continueData.IntentId == null)
{
continueData.IntentId = intentId;
}
var continueTask = _localTransitionRunner.ContinueAsync(continueData, communicatorMessage);
// TODO: continue 'continueTask' in backgraound to handle exceptions
context.Response.Headers.Add("Location", context.Request.Path.ToString());
context.Response.Headers.Add(DasyncHttpHeaders.IntentId, continueData.Method.IntentId);
context.Response.StatusCode = DasyncHttpCodes.Scheduled;
}
}
private Dictionary <ConfigurationSectionKey, IConfigurationSection> ReadConfiguration(IConfigurationSection rootSection)
{
// [base]
// ------------------------------------------
// dasync
// [base+primitives]
// ------------------------------------------
// dasync:commands
// dasync:queries
// dasync:events
// [category]
// ------------------------------------------
// dasync:services:_local
// dasync:services:_external
// [category+primitives]
// ------------------------------------------
// dasync:services:_local:commands
// dasync:services:_local:queries
// dasync:services:_local:events
// dasync:services:_external:commands
// dasync:services:_external:queries
// dasync:services:_external:events
// [service]
// dasync:services:{name}
// [service+primitives]
// dasync:services:{name}:commands:_all
// dasync:services:{name}:queries:_all
// dasync:services:{name}:events:_all
// [primitives]
// dasync:services:{name}:commands:{name}
// dasync:services:{name}:queries:{name}
// dasync:services:{name}:events:{name}
var map = new Dictionary <ConfigurationSectionKey, IConfigurationSection>();
var baseKey = new ConfigurationSectionKey();
map[baseKey] = rootSection;
if (rootSection == null)
{
return(map);
}
AddPrimitiveSections(rootSection, baseKey, map);
var servicesSection = rootSection.GetSection("services");
foreach (var serviceSection in servicesSection.GetChildren())
{
if (serviceSection.Key.Equals("_local", StringComparison.OrdinalIgnoreCase))
{
var localServicesKey = new ConfigurationSectionKey {
ServiceCategory = ServiceCategory.Local
};
map[localServicesKey] = serviceSection;
AddPrimitiveSections(serviceSection, localServicesKey, map);
}
else if (serviceSection.Key.Equals("_external", StringComparison.OrdinalIgnoreCase))
{
var externalServicesKey = new ConfigurationSectionKey {
ServiceCategory = ServiceCategory.External
};
map[externalServicesKey] = serviceSection;
AddPrimitiveSections(serviceSection, externalServicesKey, map);
}
else
{
var serviceName = serviceSection.Key;
if (_serviceResolver.TryResolve(new ServiceId {
Name = serviceName
}, out var serviceReference))
{
serviceName = serviceReference.Definition.Name;
}
var serviceKey = new ConfigurationSectionKey {
ServiceName = serviceName
};
map[serviceKey] = serviceSection;
foreach (var subSection in serviceSection.GetChildren())
{
if (subSection.Key.Equals("commands", StringComparison.OrdinalIgnoreCase))
{
EnumerateThroughPrimitiveType(subSection, serviceKey, PrimitiveType.Command, serviceReference?.Definition, map);
}
else if (subSection.Key.Equals("queries", StringComparison.OrdinalIgnoreCase))
{
EnumerateThroughPrimitiveType(subSection, serviceKey, PrimitiveType.Query, serviceReference?.Definition, map);
}
else if (subSection.Key.Equals("events", StringComparison.OrdinalIgnoreCase))
{
EnumerateThroughPrimitiveType(subSection, serviceKey, PrimitiveType.Event, serviceReference?.Definition, map);
}
}
}
}
return(map);
}