/// <summary>
/// Create a new instance of <see cref="CloudTraceMiddleware"/>.
/// </summary>
/// <param name="next">The next request delegate. Cannot be null.</param>
/// <param name="tracerFactory">A factory to create <see cref="IManagedTracer"/>s. Cannot be null.</param>
/// <param name="accessor">Access to <see cref="HttpContext"/>. Cannot be null.</param>
public CloudTraceMiddleware(
RequestDelegate next, IManagedTracerFactory tracerFactory, IHttpContextAccessor accessor)
{
_next = GaxPreconditions.CheckNotNull(next, nameof(next));
_tracerFactory = GaxPreconditions.CheckNotNull(tracerFactory, nameof(tracerFactory));
_accessor = GaxPreconditions.CheckNotNull(accessor, nameof(accessor));
}
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, TraceOptions options = null, TraceServiceClient client = null,
TraceDecisionPredicate traceFallbackPredicate = null)
{
GaxPreconditions.CheckNotNull(projectId, nameof(projectId));
// Create the default values if not set.
client = client ?? TraceServiceClient.Create();
options = options ?? TraceOptions.Create();
_traceFallbackPredicate = traceFallbackPredicate ?? TraceDecisionPredicate.Default;
_consumer = ConsumerFactory <TraceProto> .GetConsumer(
new GrpcTraceConsumer(client), MessageSizer <TraceProto> .GetSize, options.BufferOptions);
_tracerFactory = new ManagedTracerFactory(projectId, _consumer,
RateLimitingTraceOptionsFactory.Create(options), TraceIdFactory.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());
}