/// <summary>
/// Initialize tracing for this application.
/// </summary>
/// <param name="projectId">The Google Cloud Platform project ID.</param>
/// <param name="application">The Http application.</param>
/// <param name="config">Optional trace configuration, if unset the default will be used.</param>
/// <param name="client">Optional trace client, if unset the default will be used.</param>
public static void Initialize(string projectId, HttpApplication application, TraceConfiguration config = null, Task <TraceServiceClient> client = null)
{
GaxPreconditions.CheckNotNull(application, nameof(application));
CloudTrace trace = new CloudTrace(projectId, config, client);
// Add event handlers to the application.
application.BeginRequest += trace.BeginRequest;
application.EndRequest += trace.EndRequest;
}
private CloudTrace(string projectId, TraceConfiguration config = null, Task <TraceServiceClient> client = null)
{
_projectId = GaxPreconditions.CheckNotNull(projectId, nameof(projectId));
// Create the default values if not set.
client = client ?? TraceServiceClient.CreateAsync();
config = config ?? TraceConfiguration.Create();
_traceIdfactory = TraceIdFactory.Create();
_bufferingConsumer = BufferingTraceConsumer.Create(new GrpcTraceConsumer(client));
_rateFactory = RateLimitingTraceOptionsFactory.Create(config);
_headerFactory = TraceHeaderTraceOptionsFactory.Create();
}
/// <summary>
/// Create a new <see cref="RateLimitingTraceOptionsFactory"/>.
/// </summary>
/// <param name="config">Optional trace configuration, if unset the default will be used.</param>
public static RateLimitingTraceOptionsFactory Create(TraceConfiguration config = null)
{
return(new RateLimitingTraceOptionsFactory(config ?? TraceConfiguration.Create()));
}
private RateLimitingTraceOptionsFactory(TraceConfiguration config)
{
GaxPreconditions.CheckNotNull(config, nameof(config));
_rateLimiter = RateLimiter.GetInstance(config.QpsSampleRate);
}
