/// <summary>
/// The cmdlet will call this for every event during the pipeline.
/// </summary>
/// <param name="id">a <c>string</c> containing the name of the event being raised (well-known events are in <see cref="Microsoft.Azure.Commands.Common.Events"/></param>
/// <param name="cancellationToken">a <c>CancellationToken</c> indicating if this request is being cancelled.</param>
/// <param name="getEventData">a delegate to call to get the event data for this event</param>
/// <param name="signal">a delegate to signal an event from the handler to the cmdlet.</param>
/// <param name="invocationInfo">The <see cref="System.Management.Automation.InvocationInfo" /> from the cmdlet</param>
/// <param name="parameterSetName">The <see cref="string" /> containing the name of the parameter set for this invocation (if available></param>
/// <param name="correlationId">The <see cref="string" /> containing the correlation id for the cmdlet (if available)</param>
/// <param name="processRecordId">The <see cref="string" /> containing the correlation id for the individual process record. (if available)</param>
/// <param name="exception">The <see cref="System.Exception" /> that is being thrown (if available)</param>
public async Task EventListener(string id, CancellationToken cancellationToken, GetEventData getEventData, SignalDelegate signal, InvocationInfo invocationInfo, string parameterSetName, string correlationId, string processRecordId, System.Exception exception)
{
/// Drain the queue of ADAL events whenever an event is fired
DrainMessages(signal, cancellationToken);
switch (id)
{
case Events.BeforeCall:
{
var data = EventDataConverter.ConvertFrom(getEventData()); // also, we manually use our TypeConverter to return an appropriate type
var request = data?.RequestMessage as HttpRequestMessage;
if (request != null)
{
AzurePSQoSEvent qos;
if (_telemetryEvents.TryGetValue(processRecordId, out qos))
{
IEnumerable <string> headers;
if (request.Headers != null && request.Headers.TryGetValues("x-ms-client-request-id", out headers))
{
qos.ClientRequestId = headers.FirstOrDefault();
await signal(Events.Debug, cancellationToken,
() => EventHelper.CreateLogEvent($"[{id}]: Amending QosEvent for command '{qos.CommandName}': {qos.ToString()}"));
}
}
/// Print formatted request message
await signal(Events.Debug, cancellationToken,
() => EventHelper.CreateLogEvent(GeneralUtilities.GetLog(request)));
}
}
break;
case Events.CmdletProcessRecordAsyncStart:
{
var qos = CreateQosEvent(invocationInfo, parameterSetName, correlationId);
await signal(Events.Debug, cancellationToken,
() => EventHelper.CreateLogEvent($"[{id}]: Created new QosEvent for command '{qos.CommandName}': {qos.ToString()}"));
_telemetryEvents.Add(processRecordId, qos);
}
break;
case Events.CmdletProcessRecordAsyncEnd:
{
AzurePSQoSEvent qos;
if (_telemetryEvents.TryGetValue(processRecordId, out qos))
{
qos.IsSuccess = qos.Exception == null;
await signal(Events.Debug, cancellationToken,
() => EventHelper.CreateLogEvent($"[{id}]: Sending new QosEvent for command '{qos.CommandName}': {qos.ToString()}"));
_metricHelper.LogEvent(qos);
_telemetryEvents.Remove(processRecordId);
}
}
break;
case Events.CmdletException:
{
var data = EventDataConverter.ConvertFrom(getEventData());
await signal(Events.Debug, cancellationToken,
() => EventHelper.CreateLogEvent($"[{id}]: Received Exception with message '{data?.Message}'"));
AzurePSQoSEvent qos;
if (_telemetryEvents.TryGetValue(processRecordId, out qos))
{
await signal(Events.Debug, cancellationToken,
() => EventHelper.CreateLogEvent($"[{id}]: Sending new QosEvent for command '{qos.CommandName}': {qos.ToString()}"));
qos.IsSuccess = false;
qos.Exception = exception;
_metricHelper.LogEvent(qos);
_telemetryEvents.Remove(processRecordId);
}
}
break;
case Events.ResponseCreated:
{
var data = EventDataConverter.ConvertFrom(getEventData());
var response = data?.ResponseMessage as HttpResponseMessage;
if (response != null)
{
AzurePSQoSEvent qos;
if (_telemetryEvents.TryGetValue(processRecordId, out qos))
{
qos.ClientRequestId = response?.Headers?.GetValues("x-ms-request-id").FirstOrDefault();
}
/// Print formatted response message
await signal(Events.Debug, cancellationToken,
() => EventHelper.CreateLogEvent(GeneralUtilities.GetLog(response)));
}
}
break;
default:
getEventData.Print(signal, cancellationToken, Events.Information, id);
break;
}
}