/// <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;
}
/// <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, 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;
application.Disposed += (object sender, EventArgs e) => { trace.Dispose(); };
}
/// <summary>
/// Initialize tracing for this application.
/// </summary>
/// <param name="application">The Http application.</param>
/// <param name="projectId">Optional if running on Google App Engine or Google Compute Engine.
/// The Google Cloud Platform project ID. If unspecified and running on GAE or GCE the project ID will be
/// detected from the platform.</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>
/// <param name="traceFallbackPredicate">Optional function to trace requests. If the trace header is not set
/// then this function will be called to determine if a given request should be traced. This will
/// not override trace headers.</param>
public static void Initialize(HttpApplication application, string projectId = null,
TraceConfiguration config = null, TraceServiceClient client = null,
TraceDecisionPredicate traceFallbackPredicate = null)
{
GaxPreconditions.CheckNotNull(application, nameof(application));
projectId = CommonUtils.GetAndCheckProjectId(projectId);
CloudTrace trace = new CloudTrace(projectId, config, client, traceFallbackPredicate);
// Add event handlers to the application.
application.BeginRequest += trace.BeginRequest;
application.EndRequest += trace.EndRequest;
application.Disposed += (object sender, EventArgs e) => { trace.Dispose(); };
}
private CloudTrace(string projectId, TraceConfiguration config = null, Task <TraceServiceClient> client = null)
{
GaxPreconditions.CheckNotNull(projectId, nameof(projectId));
// Create the default values if not set.
client = client ?? TraceServiceClient.CreateAsync();
config = config ?? TraceConfiguration.Create();
var consumer = ConsumerFactory <TraceProto> .GetConsumer(
new GrpcTraceConsumer(client), MessageSizer <TraceProto> .GetSize, config.BufferOptions);
_tracerFactory = new ManagedTracerFactory(projectId, consumer,
RateLimitingTraceOptionsFactory.Create(config), TraceIdFactory.Create());
}
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();
_consumer = ConsumerFactory <TraceProto> .GetConsumer(
new GrpcTraceConsumer(client), TraceSizer.Instance, config.BufferOptions);
_rateFactory = RateLimitingTraceOptionsFactory.Create(config);
_headerFactory = TraceHeaderTraceOptionsFactory.Create();
}
private CloudTrace(string projectId, TraceConfiguration config = null, TraceServiceClient client = null,
Func <HttpRequest, bool?> traceFallbackPredicate = null)
{
GaxPreconditions.CheckNotNull(projectId, nameof(projectId));
// Create the default values if not set.
client = client ?? TraceServiceClient.Create();
config = config ?? TraceConfiguration.Create();
_traceFallbackPredicate = traceFallbackPredicate;
_consumer = ConsumerFactory <TraceProto> .GetConsumer(
new GrpcTraceConsumer(client), MessageSizer <TraceProto> .GetSize, config.BufferOptions);
_tracerFactory = new ManagedTracerFactory(projectId, _consumer,
RateLimitingTraceOptionsFactory.Create(config), TraceIdFactory.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);
}