/// <summary>
/// Handles the logging of asynchronous unary calls.
/// </summary>
/// <typeparam name="TRequest">The type of the request.</typeparam>
/// <typeparam name="TResponse">The type of the response.</typeparam>
/// <param name="request">The request.</param>
/// <param name="context">The context.</param>
/// <param name="oldTask">The old task.</param>
/// <param name="call">The call.</param>
internal void HandleAsyncUnaryLogging <TRequest, TResponse>(TRequest request,
ClientInterceptorContext <TRequest, TResponse> context,
Task <TResponse> oldTask, AsyncUnaryCall <TResponse> call)
where TRequest : class
where TResponse : class
{
// Generating log entry is expensive, so let's do that only if the log source
// has been configured to do so.
RpcException exception = null;
if (TraceUtilities.ShouldGenerateSummaryRequestLogs())
{
exception = UnaryRpcInterceptor.ParseTaskException <TResponse>(oldTask.Exception);
LogEntry logEntry = new LogEntry(logCustomizer)
{
Host = config.ServerUrl,
Method = context.Method.FullName,
RequestHeaders = context.Options.Headers, // includes the RequestId
IsFailure = oldTask.IsFaulted,
Exception = exception,
CustomerId = GetCustomerId(request),
ResponseHeaders = Merge(GetResponseHeader(call.ResponseHeadersAsync),
call.GetTrailers()),
Response = (oldTask.IsFaulted) ? default : oldTask.Result,
};
WriteSummaryLogs(logEntry);
}
if (TraceUtilities.ShouldGenerateDetailedRequestLogs())
{
LogEntry logEntry = new LogEntry(logCustomizer)
{
Host = config.ServerUrl,
Method = context.Method.FullName,
RequestHeaders = context.Options.Headers,
Request = request,
ResponseHeaders = Merge(GetResponseHeader(call.ResponseHeadersAsync),
call.GetTrailers()),
Response = (oldTask.IsFaulted) ? default : oldTask.Result,
Exception = exception ?? UnaryRpcInterceptor.ParseTaskException <TResponse>(
oldTask.Exception),
IsFailure = oldTask.IsFaulted,
CustomerId = GetCustomerId(request),
PartialFailures = (oldTask.IsFaulted) ? "" :
GetPartialFailures(oldTask.Result)
};
WriteDetailedLogs(logEntry);
}
}