public MqttAdapter(
Settings settings,
ISessionStatePersistenceProvider sessionStateManager,
IDeviceIdentityProvider authProvider,
IQos2StatePersistenceProvider qos2StateProvider,
MessagingBridgeFactoryFunc messagingBridgeFactory)
{
Contract.Requires(settings != null);
Contract.Requires(sessionStateManager != null);
Contract.Requires(authProvider != null);
Contract.Requires(messagingBridgeFactory != null);
this.lifetimeCancellation = new CancellationTokenSource();
if (qos2StateProvider != null)
{
this.maxSupportedQosToClient = QualityOfService.ExactlyOnce;
this.qos2StateProvider = qos2StateProvider;
}
else
{
this.maxSupportedQosToClient = QualityOfService.AtLeastOnce;
}
this.settings = settings;
this.sessionStateManager = sessionStateManager;
this.authProvider = authProvider;
this.messagingBridgeFactory = messagingBridgeFactory;
}
/// <summary>
/// Retrieves the state provider for QoS 2 sessions
/// </summary>
/// <param name="traceId">A unique identifier used to correlate debugging and diagnostics messages</param>
/// <param name="configuration">The gateway configuration</param>
/// <returns>A Qos2 persistence provider if available</returns>
async Task <IQos2StatePersistenceProvider> GetQos2StateProvider(Guid traceId, MqttServiceConfiguration configuration)
{
IQos2StatePersistenceProvider stateProvider = null;
this.logger.Informational(traceId, this.componentName, "QOS2 state provider requested.");
switch (configuration.MqttQoS2StateProvider)
{
case MqttServiceConfiguration.QosStateType.AzureStorage:
this.logger.Informational(traceId, this.componentName, "QOS2 state provider requested was Azure Storage.");
AzureSessionStateConfiguration provider = new ConfigurationProvider <AzureSessionStateConfiguration>(traceId, this.serviceContext.ServiceName,
this.serviceContext.CodePackageActivationContext, this.logger, "AzureState")?.Config;
if (provider == null)
{
this.logger.Critical(traceId, this.componentName, "QOS2 state provider or configuration could not be retrieved.");
throw new ApplicationException("Azure state QoS2 provider configuration could not be retrieved");
}
stateProvider = await TableQos2StatePersistenceProvider.CreateAsync(provider.TableConnectionString, provider.TableName).ConfigureAwait(false);
this.logger.Informational(traceId, this.componentName, "QOS2 state provider request complete.");
break;
case MqttServiceConfiguration.QosStateType.ServiceFabricStateful:
this.logger.Critical(traceId, this.componentName, "QOS2 state provider requested was Service Fabric Stateful Service but it is not currently implemented.");
throw new NotImplementedException("Only azure storage provider is supported");
default:
this.logger.Critical(traceId, this.componentName, "QOS2 state provider requested was unknown.");
throw new ApplicationException("MQTT state provider must be specified in configuration.");
}
return(stateProvider);
}
public MqttIotHubAdapter(Settings settings, DeviceClientFactoryFunc deviceClientFactory, ISessionStatePersistenceProvider sessionStateManager, IAuthenticationProvider authProvider,
ITopicNameRouter topicNameRouter, IQos2StatePersistenceProvider qos2StateProvider)
{
Contract.Requires(settings != null);
Contract.Requires(sessionStateManager != null);
Contract.Requires(authProvider != null);
Contract.Requires(topicNameRouter != null);
if (qos2StateProvider != null)
{
this.maxSupportedQosToClient = QualityOfService.ExactlyOnce;
this.qos2StateProvider = qos2StateProvider;
}
else
{
this.maxSupportedQosToClient = QualityOfService.AtLeastOnce;
}
this.settings = settings;
this.deviceClientFactory = deviceClientFactory;
this.sessionStateManager = sessionStateManager;
this.authProvider = authProvider;
this.topicNameRouter = topicNameRouter;
this.publishProcessor = new PacketAsyncProcessor<PublishPacket>(this.PublishToServerAsync);
this.publishProcessor.Completion.OnFault(ShutdownOnPublishToServerFaultAction);
TimeSpan? ackTimeout = this.settings.DeviceReceiveAckCanTimeout ? this.settings.DeviceReceiveAckTimeout : (TimeSpan?)null;
this.publishPubAckProcessor = new RequestAckPairProcessor<AckPendingMessageState, PublishPacket>(this.AcknowledgePublishAsync, this.RetransmitNextPublish, ackTimeout);
this.publishPubAckProcessor.Completion.OnFault(ShutdownOnPubAckFaultAction);
this.publishPubRecProcessor = new RequestAckPairProcessor<AckPendingMessageState, PublishPacket>(this.AcknowledgePublishReceiveAsync, this.RetransmitNextPublish, ackTimeout);
this.publishPubRecProcessor.Completion.OnFault(ShutdownOnPubRecFaultAction);
this.pubRelPubCompProcessor = new RequestAckPairProcessor<CompletionPendingMessageState, PubRelPacket>(this.AcknowledgePublishCompleteAsync, this.RetransmitNextPublishRelease, ackTimeout);
this.pubRelPubCompProcessor.Completion.OnFault(ShutdownOnPubCompFaultAction);
}
/// <summary>
/// Called by the service fabric when the listener is to be started
/// </summary>
/// <param name="cancellationToken">A token to monitor for abort requests</param>
/// <returns>A task that completes when the service is openned</returns>
public async Task <string> OpenAsync(CancellationToken cancellationToken)
{
string publishAddress = null;
Guid traceId = Guid.NewGuid();
int threadCount = Environment.ProcessorCount;
this.serverControl = new CancellationTokenSource();
GatewayConfiguration configuration = this.configurationProvider.Config;
this.logger.Informational(traceId, this.componentName, "OpenAsync() invoked.");
var iotHubConfigurationProvider = new ConfigurationProvider <IoTHubConfiguration>(traceId, this.serviceContext.ServiceName, this.serviceContext.CodePackageActivationContext, this.logger, "IoTHubClient");
iotHubConfigurationProvider.ConfigurationChangedEvent += (sender, args) => this.unsupportedConfigurationChangeCallback?.Invoke();
iotHubConfigurationProvider.ConfigurationPropertyChangedEvent += (sender, args) => this.unsupportedConfigurationChangeCallback?.Invoke();
IoTHubConfiguration iotHubConfiguration = iotHubConfigurationProvider.Config;
X509Certificate2 certificate = this.GetServerCertificate(configuration);
this.logger.Informational(traceId, this.componentName, "Certificate retrieved.");
var mqttConfigurationProvider = new ConfigurationProvider <MqttServiceConfiguration>(traceId, this.serviceContext.ServiceName, this.serviceContext.CodePackageActivationContext, this.logger, "Mqtt");
mqttConfigurationProvider.ConfigurationChangedEvent += (sender, args) => this.unsupportedConfigurationChangeCallback?.Invoke();
mqttConfigurationProvider.ConfigurationPropertyChangedEvent += (sender, args) => this.unsupportedConfigurationChangeCallback?.Invoke();
MqttServiceConfiguration mqttConfiguration = mqttConfigurationProvider.Config;
if (mqttConfiguration != null)
{
var mqttInboundTemplates = new List <string>(mqttConfiguration.MqttInboundTemplates);
var mqttOutboundTemplates = new List <string>(mqttConfiguration.MqttOutboundTemplates);
ISessionStatePersistenceProvider qosSessionProvider = await this.GetSessionStateProviderAsync(traceId, mqttConfiguration).ConfigureAwait(false);
IQos2StatePersistenceProvider qos2SessionProvider = await this.GetQos2StateProvider(traceId, mqttConfiguration).ConfigureAwait(false);
this.logger.Informational(traceId, this.componentName, "QOS Providers instantiated.");
var settingsProvider = new ServiceFabricConfigurationProvider(traceId, this.componentName, this.logger, configuration, iotHubConfiguration, mqttConfiguration);
this.bootStrapper = new Bootstrapper(settingsProvider, qosSessionProvider, qos2SessionProvider, mqttInboundTemplates, mqttOutboundTemplates);
this.runTask = this.bootStrapper.RunAsync(certificate, threadCount, this.serverControl.Token);
publishAddress = this.BuildPublishAddress(configuration);
this.logger.Informational(traceId, this.componentName, "Bootstrapper instantiated.");
}
else
{
this.logger.Critical(traceId, this.componentName, "Failed to start endpoint because Mqtt service configuration is missing.");
}
return(publishAddress);
}
public Bootstrapper(ISettingsProvider settingsProvider, ISessionStatePersistenceProvider sessionStateManager, IQos2StatePersistenceProvider qos2StateProvider)
{
Contract.Requires(settingsProvider != null);
Contract.Requires(sessionStateManager != null);
this.closeCompletionSource = new TaskCompletionSource();
this.settingsProvider = settingsProvider;
this.settings = new Settings(this.settingsProvider);
this.sessionStateManager = sessionStateManager;
this.qos2StateProvider = qos2StateProvider;
this.authProvider = new SasTokenDeviceIdentityProvider();
this.iotHubMessageRouter = new ConfigurableMessageRouter();
}
public Bootstrapper(ISettingsProvider settingsProvider, ISessionStatePersistenceProvider sessionStateManager, IQos2StatePersistenceProvider qos2StateProvider)
{
Contract.Requires(settingsProvider != null);
Contract.Requires(sessionStateManager != null);
this.closeCompletionSource = new TaskCompletionSource();
this.settingsProvider = settingsProvider;
this.settings = new Settings(this.settingsProvider);
this.sessionStateManager = sessionStateManager;
this.qos2StateProvider = qos2StateProvider;
this.authProvider = new SasTokenAuthenticationProvider();
this.topicNameRouter = new TopicNameRouter();
}
public Bootstrapper(ISettingsProvider settingsProvider, ISessionStatePersistenceProvider sessionStateManager, IQos2StatePersistenceProvider qos2StateProvider)
{
Contract.Requires(settingsProvider != null);
Contract.Requires(sessionStateManager != null);
this.closeCompletionSource = new TaskCompletionSource();
this.settingsProvider = settingsProvider;
this.settings = new Settings(this.settingsProvider);
this.sessionStateManager = sessionStateManager;
this.qos2StateProvider = qos2StateProvider;
this.authProvider = new SasTokenAuthenticationProvider();
this.topicNameRouter = new TopicNameRouter();
}
Bootstrapper(ISettingsProvider settingsProvider, ISessionStatePersistenceProvider sessionStateManager, IQos2StatePersistenceProvider qos2StateProvider, IMessageAddressConverter addressConverter)
{
Contract.Requires(settingsProvider != null);
Contract.Requires(sessionStateManager != null);
this.closeCompletionSource = new TaskCompletionSource();
this.settingsProvider = settingsProvider;
this.settings = new Settings(this.settingsProvider);
this.iotHubClientSettings = new IotHubClientSettings(this.settingsProvider);
this.sessionStateManager = sessionStateManager;
this.qos2StateProvider = qos2StateProvider;
this.authProvider = new SasTokenDeviceIdentityProvider();
this.topicNameConverter = addressConverter;
}
Bootstrapper(ISettingsProvider settingsProvider, ISessionStatePersistenceProvider sessionStateManager, IQos2StatePersistenceProvider qos2StateProvider, IMessageAddressConverter addressConverter)
{
Contract.Requires(settingsProvider != null);
Contract.Requires(sessionStateManager != null);
this.closeCompletionSource = new TaskCompletionSource();
this.settingsProvider = settingsProvider;
this.settings = new Settings(this.settingsProvider);
this.iotHubClientSettings = new IotHubClientSettings(this.settingsProvider);
this.sessionStateManager = sessionStateManager;
this.qos2StateProvider = qos2StateProvider;
this.authProvider = new SasTokenDeviceIdentityProvider();
this.topicNameConverter = addressConverter;
}
public MqttIotHubAdapter(
Settings settings,
ISessionStatePersistenceProvider sessionStateManager,
IDeviceIdentityProvider authProvider,
IQos2StatePersistenceProvider qos2StateProvider,
IMessagingFactory messagingFactory,
IMessageRouter messageRouter)
{
Contract.Requires(settings != null);
Contract.Requires(sessionStateManager != null);
Contract.Requires(authProvider != null);
Contract.Requires(messageRouter != null);
if (qos2StateProvider != null)
{
this.maxSupportedQosToClient = QualityOfService.ExactlyOnce;
this.qos2StateProvider = qos2StateProvider;
}
else
{
this.maxSupportedQosToClient = QualityOfService.AtLeastOnce;
}
this.settings = settings;
this.sessionStateManager = sessionStateManager;
this.authProvider = authProvider;
this.messagingFactory = messagingFactory;
this.messageRouter = messageRouter;
this.publishProcessor = new MessageAsyncProcessor <PublishPacket>(this.PublishToServerAsync);
this.publishProcessor.Completion.OnFault(ShutdownOnPublishToServerFaultAction);
TimeSpan?ackTimeout = this.settings.DeviceReceiveAckCanTimeout ? this.settings.DeviceReceiveAckTimeout : (TimeSpan?)null;
this.publishPubAckProcessor = new RequestAckPairProcessor <AckPendingMessageState, PublishPacket>(this.AcknowledgePublishAsync, this.RetransmitNextPublish, ackTimeout);
this.publishPubAckProcessor.Completion.OnFault(ShutdownOnPubAckFaultAction);
this.publishPubRecProcessor = new RequestAckPairProcessor <AckPendingMessageState, PublishPacket>(this.AcknowledgePublishReceiveAsync, this.RetransmitNextPublish, ackTimeout);
this.publishPubRecProcessor.Completion.OnFault(ShutdownOnPubRecFaultAction);
this.pubRelPubCompProcessor = new RequestAckPairProcessor <CompletionPendingMessageState, PubRelPacket>(this.AcknowledgePublishCompleteAsync, this.RetransmitNextPublishRelease, ackTimeout);
this.pubRelPubCompProcessor.Completion.OnFault(ShutdownOnPubCompFaultAction);
}
public Bootstrapper(ISettingsProvider settingsProvider, ISessionStatePersistenceProvider sessionStateManager, IQos2StatePersistenceProvider qos2StateProvider, List <string> inboundTemplates, List <string> outboundTemplates) :
this(settingsProvider, sessionStateManager, qos2StateProvider, new ConfigurableMessageAddressConverter(inboundTemplates ?? new List <string>(), outboundTemplates ?? new List <string>()))
{
}
public Bootstrapper(ISettingsProvider settingsProvider, ISessionStatePersistenceProvider sessionStateManager, IQos2StatePersistenceProvider qos2StateProvider) :
this(settingsProvider, sessionStateManager, qos2StateProvider, new ConfigurableMessageAddressConverter())
{
}
public Bootstrapper(ISettingsProvider settingsProvider, ISessionStatePersistenceProvider sessionStateManager, IQos2StatePersistenceProvider qos2StateProvider, List<string> inboundTemplates, List<string> outboundTemplates) :
this(settingsProvider, sessionStateManager, qos2StateProvider, new ConfigurableMessageAddressConverter(inboundTemplates ?? new List<string>(), outboundTemplates ?? new List<string>()))
{
}
public Bootstrapper(ISettingsProvider settingsProvider, ISessionStatePersistenceProvider sessionStateManager, IQos2StatePersistenceProvider qos2StateProvider) :
this(settingsProvider, sessionStateManager, qos2StateProvider, new ConfigurableMessageAddressConverter())
{
}
