/// <summary>
/// Initializes a new instance of the <see cref="BlobStorageTransmitter"/> class.
/// </summary>
/// <param name="storage">A transmission storage instance.</param>
/// <param name="sender">A transmission sender instance.</param>
/// <exception cref="ArgumentNullException">
/// <paramref name="storage"/> must not be <c>null</c>.
/// </exception>
/// <exception cref="ArgumentNullException">
/// <paramref name="sender"/> must not be <c>null</c>.
/// </exception>
public BlobStorageTransmitter(ITransmissionStorage <AttachmentDescriptor> storage,
ITransmissionSender <AttachmentDescriptor> sender)
{
_storage = storage ?? throw new ArgumentNullException(nameof(storage));
_sender = sender ?? throw new ArgumentNullException(nameof(sender));
StartAsyncSending();
}
/// <summary>
/// Initializes a new instance of the <see cref="EventHubTransmitter"/> class.
/// </summary>
/// <param name="buffer">A transmission buffer instance.</param>
/// <param name="sender">A transmission sender instance.</param>
/// <exception cref="ArgumentNullException">
/// <paramref name="buffer"/> must not be <c>null</c>.
/// </exception>
/// <exception cref="ArgumentNullException">
/// <paramref name="sender"/> must not be <c>null</c>.
/// </exception>
internal EventHubTransmitter(ITransmissionBuffer <EventData> buffer,
ITransmissionSender <EventData> sender)
{
_buffer = buffer ?? throw new ArgumentNullException(nameof(buffer));
_sender = sender ?? throw new ArgumentNullException(nameof(sender));
StartAsyncSending();
}
/// <summary>
/// Sends a telemetry data batch to a backend service/solution for further processing.
/// </summary>
/// <param name="sender">A transmission sender instance.</param>
/// <param name="batch">A telemetry event batch.</param>
public static Task SendAsync <TData>(this ITransmissionSender <TData> sender, IEnumerable <TData> batch)
where TData : class
{
if (sender == null)
{
throw new ArgumentNullException(nameof(sender));
}
return(sender.SendAsync(batch, CancellationToken.None));
}
/// <summary>
/// Initializes a new instance of the <see cref="EventHubTransmitter"/> class.
/// </summary>
/// <param name="client">A <c>Azure</c> <c>EventHub</c> client instance.</param>
/// <exception cref="ArgumentNullException">
/// <paramref name="client"/> must not be <c>null</c>.
/// </exception>
public EventHubTransmitter(EventHubClient client)
{
if (client == null)
{
throw new ArgumentNullException(nameof(client));
}
_buffer = new EventHubTransmissionBuffer(client);
_sender = new EventHubTransmissionSender(client);
StartAsyncSending();
}
public void Constructor_SenderNull()
{
// assert
ITransmissionStorage <AttachmentDescriptor> storage = new Mock <ITransmissionStorage <AttachmentDescriptor> >().Object;
ITransmissionSender <AttachmentDescriptor> sender = null;
// act
Action verify = () => new BlobStorageTransmitter(storage, sender);
// arrange
Assert.Throws <ArgumentNullException>("sender", verify);
}
/// <summary>
/// Initializes a new instance of the <see cref="BlobStorageTransmitter"/> class.
/// </summary>
public BlobStorageTransmitter(
IMemoryBuffer <AttachmentDescriptor> buffer,
ITransmissionStorage <AttachmentDescriptor> storage,
ITransmissionSender <AttachmentDescriptor> sender,
ILogger <BlobStorageTransmitter> logger)
{
_buffer = buffer ?? throw new ArgumentNullException(nameof(buffer));
_storage = storage ?? throw new ArgumentNullException(nameof(storage));
_sender = sender ?? throw new ArgumentNullException(nameof(sender));
_storeTask = TaskHelper
.StartLongRunning(StoreAsync, _disposeToken.Token);
_sendTask = TaskHelper
.StartLongRunning(SendAsync, _disposeToken.Token);
}
public void Constructor_NoException()
{
// assert
IMemoryBuffer <EventData> buffer = Mock.Of <IMemoryBuffer <EventData> >();
ITransmissionBuffer <EventData, EventDataBatch> aggregator = Mock.Of <ITransmissionBuffer <EventData, EventDataBatch> >();
ITransmissionSender <EventDataBatch> sender = Mock.Of <ITransmissionSender <EventDataBatch> >();
ITransmissionStorage <EventData> storage = Mock.Of <ITransmissionStorage <EventData> >();
// act
Action verify = () => new EventHubTransmitter(
buffer, aggregator, sender, storage);
// arrange
Assert.Null(Record.Exception(verify));
}
public void Constructor_StorageNull()
{
// assert
IMemoryBuffer <EventData> buffer = Mock.Of <IMemoryBuffer <EventData> >();
ITransmissionBuffer <EventData, EventDataBatch> aggregator = Mock.Of <ITransmissionBuffer <EventData, EventDataBatch> >();
ITransmissionSender <EventDataBatch> sender = Mock.Of <ITransmissionSender <EventDataBatch> >();
ITransmissionStorage <EventData> storage = null;
// act
Action verify = () => new EventHubTransmitter(
buffer, aggregator, sender, storage);
// arrange
Assert.Throws <ArgumentNullException>("storage", verify);
}
/// <summary>
/// Initializes a new instance of the <see cref="EventHubTransmitter"/> class.
/// </summary>
public EventHubTransmitter(
IMemoryBuffer <EventData> buffer,
ITransmissionBuffer <EventData, EventDataBatch> aggregator,
ITransmissionSender <EventDataBatch> sender,
ITransmissionStorage <EventData> storage)
{
_buffer = buffer ?? throw new ArgumentNullException(nameof(buffer));
_aggregator = aggregator ?? throw new ArgumentNullException(nameof(aggregator));
_sender = sender ?? throw new ArgumentNullException(nameof(sender));
_storage = storage ?? throw new ArgumentNullException(nameof(storage));
_storeTask = TaskHelper
.StartLongRunning(StoreAsync, _disposeToken.Token);
_aggregateTask = TaskHelper
.StartLongRunning(AggregateAsync, _disposeToken.Token);
_sendTask = TaskHelper
.StartLongRunning(SendAsync, _disposeToken.Token);
}
