private static void ServiceRemotingServiceEvents_ReceiveRequest(object?sender, EventArgs?e)
{
var tracer = Tracer.Instance;
if (!_initialized || !tracer.Settings.IsIntegrationEnabled(ServiceRemotingConstants.IntegrationId))
{
return;
}
ServiceRemotingHelpers.GetMessageHeaders(e, out var eventArgs, out var messageHeaders);
SpanContext?spanContext = null;
try
{
// extract propagation context from message headers for distributed tracing
if (messageHeaders != null)
{
spanContext = SpanContextPropagator.Instance.Extract(messageHeaders, GetHeaders);
}
}
catch (Exception ex)
{
Log.Error(ex, "Error extracting span context from Service Fabric Service Remoting message headers.");
}
try
{
var span = ServiceRemotingHelpers.CreateSpan(tracer, spanContext, SpanKinds.Server, eventArgs, messageHeaders);
tracer.ActivateSpan(span);
}
catch (Exception ex)
{
Log.Error(ex, "Error creating or activating new Service Fabric Service Remoting service span.");
}
}
private static void ServiceRemotingServiceEvents_SendResponse(object?sender, EventArgs?e)
{
if (!_initialized || !Tracer.Instance.Settings.IsIntegrationEnabled(ServiceRemotingConstants.IntegrationId))
{
return;
}
ServiceRemotingHelpers.FinishSpan(e, SpanKinds.Server);
}
public static void StartTracing()
{
// only run this code once
if (Interlocked.Exchange(ref _firstInitialization, 0) == 1)
{
// try to subscribe to service events
if (ServiceRemotingHelpers.AddEventHandler(ServiceRemotingConstants.ServiceEventsTypeName, ServiceRemotingConstants.ReceiveRequestEventName, ServiceRemotingServiceEvents_ReceiveRequest) &&
ServiceRemotingHelpers.AddEventHandler(ServiceRemotingConstants.ServiceEventsTypeName, ServiceRemotingConstants.SendResponseEventName, ServiceRemotingServiceEvents_SendResponse))
{
// don't handle any service events until we have subscribed to both of them
_initialized = true;
Log.Debug($"Subscribed to {ServiceRemotingConstants.ServiceEventsTypeName} events.");
}
}
}
private static void ServiceRemotingServiceEvents_ReceiveRequest(object?sender, EventArgs?e)
{
var tracer = Tracer.Instance;
if (!_initialized || !tracer.Settings.IsIntegrationEnabled(ServiceRemotingConstants.IntegrationId))
{
return;
}
ServiceRemotingHelpers.GetMessageHeaders(e, out var eventArgs, out var messageHeaders);
SpanContext?spanContext = null;
try
{
// extract propagation context from message headers for distributed tracing
if (messageHeaders != null)
{
spanContext = SpanContextPropagator.Instance.Extract(messageHeaders, static (headers, headerName) =>
private static void ServiceRemotingClientEvents_SendRequest(object?sender, EventArgs?e)
{
var tracer = Tracer.Instance;
if (!_initialized || !tracer.Settings.IsIntegrationEnabled(ServiceRemotingConstants.IntegrationId))
{
return;
}
ServiceRemotingHelpers.GetMessageHeaders(e, out var eventArgs, out var messageHeaders);
try
{
var span = ServiceRemotingHelpers.CreateSpan(tracer, context: null, SpanKinds.Client, eventArgs, messageHeaders);
try
{
// inject propagation context into message headers for distributed tracing
if (messageHeaders != null)
{
SpanContextPropagator.Instance.Inject(
span.Context,
messageHeaders,
static (headers, headerName, headerValue) => headers.TryAddHeader(headerName, headerValue));
}
}
catch (Exception ex)
{
Log.Error(ex, "Error injecting span context into Service Fabric Service Remoting message headers.");
}
tracer.ActivateSpan(span);
}
catch (Exception ex)
{
Log.Error(ex, "Error creating or activating Service Fabric Service Remoting client span.");
}
}