/// <summary>
/// Initializes a new instance of the <see cref="PersistenceChannel"/> class.
/// </summary>
/// <param name="storageFolderName">
/// A folder name. Under this folder all the transmissions will be saved.
/// Setting this value groups channels, even from different processes.
/// If 2 (or more) channels has the same <c>storageFolderName</c> only one channel will perform the sending even if the channel is in a different process/AppDomain/Thread.
/// </param>
/// <param name="sendersCount">
/// Defines the number of senders. A sender is a long-running thread that sends telemetry batches in intervals defined by <see cref="SendingInterval"/>.
/// So the amount of senders also defined the maximum amount of http channels opened at the same time.
/// </param>
public PersistenceChannel(string storageFolderName, int sendersCount = 3)
{
this.TelemetryBuffer = new TelemetryBuffer();
this.storage = new Storage(storageFolderName);
this.Transmitter = new PersistenceTransmitter(this.storage, sendersCount);
this.flushManager = new FlushManager(this.storage, this.TelemetryBuffer);
this.EndpointAddress = Constants.TelemetryServiceEndpoint;
}
/// <summary>
/// Initializes a new instance of the <see cref="PersistenceChannel"/> class.
/// </summary>
/// <param name="storageFolderName">
/// A folder name. Under this folder all the transmissions will be saved.
/// Setting this value groups channels, even from different processes.
/// If 2 (or more) channels has the same <c>storageFolderName</c> only one channel will perform the sending even if the channel is in a different process/AppDomain/Thread.
/// </param>
/// <param name="sendersCount">
/// Defines the number of senders. A sender is a long-running thread that sends telemetry batches in intervals defined by <see cref="SendingInterval"/>.
/// So the amount of senders also defined the maximum amount of http channels opened at the same time.
/// </param>
public PersistenceChannel(string storageFolderName, int sendersCount = 3)
{
this.TelemetryBuffer = new TelemetryBuffer();
this.storage = new Storage(storageFolderName);
this.Transmitter = new PersistenceTransmitter(this.storage, sendersCount);
this.flushManager = new FlushManager(this.storage, this.TelemetryBuffer);
this.EndpointAddress = Constants.TelemetryServiceEndpoint;
this.developerMode = false;
}
public void WhenEnqueueingToAFullTelemetryBufferThenFlushManagerFlushesToDisk()
{
// Setup
var autoResetEvent = new AutoResetEvent(false);
this.OnEnqueue = () => autoResetEvent.Set();
FlushManager flushManager = new FlushManager(this.StorageBaseMock.Object, this.TelemetryBufferMock, supportAutoFlush: true);
flushManager.EndpointAddress = new Uri("http://some.test.com");
// Act
this.TelemetryBufferMock.Enqueue(new TraceTelemetry("mock_item"));
// wait until Enqueue is called.
autoResetEvent.WaitOne();
// Asserts
Assert.AreEqual(1, this.numberOfCallsToStorageEnqueue);
}
public void WhenEnqueueingToTelemetryBufferAndTelemetryBufferIsNotFullThenFlushManagerDoesNotFlushToDisk()
{
// Setup
var autoResetEvent = new AutoResetEvent(false);
this.OnEnqueue = () => autoResetEvent.Set();
FlushManager flushManager = new FlushManager(this.StorageBaseMock.Object, this.TelemetryBufferMock, supportAutoFlush: false);
flushManager.EndpointAddress = new Uri("http://some.test.com");
this.TelemetryBufferMock.Capacity = 10;
// Act
this.TelemetryBufferMock.Enqueue(new TraceTelemetry("mock_item"));
// wait for 500 milliseconds for Storage.Enqueue to be called.
var didStorageEnqueueWasCalled = autoResetEvent.WaitOne(500);
// Asserts
Assert.AreEqual(false, didStorageEnqueueWasCalled);
Assert.AreEqual(0, this.numberOfCallsToStorageEnqueue);
}