public static T LogExceptions <T>(
this ISpan span,
Func <T> action)
{
try
{
return(action());
}
catch (Exception e)
{
span.LogError(e);
throw;
}
}
public static void LogExceptions(
this ISpan span,
Action action)
{
try
{
action();
}
catch (Exception e)
{
span.LogError(e);
throw;
}
}
public static async Task <T> LogExceptionsAsync <T>(
this ISpan span,
Func <Task <T> > action)
{
try
{
return(await action().ConfigureAwait(false));
}
catch (Exception e)
{
span.LogError(e);
throw;
}
}
public async Task SayHello(string helloTo)
{
using (IScope scope = _tracer.BuildActiveSpan("Call-web-app")) // BuildActiveSpan: From common extensions.
{
ISpan span = scope.Span;
span.SetBaggageItem("baggage", "baggage-value");
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Get, $"Hello/{helloTo}");
request.Headers.InjectTracing( // InjectTracing: From common extensions.
request.Method.Method, $"{_httpClient.BaseAddress}{request.RequestUri}");
HttpResponseMessage response = null;
try
{
response = await _httpClient.SendAsync(request);
}
catch (Exception ex)
{
span.LogError(ex, "Failed to call say hello."); // LogError: From common extensions.
Console.WriteLine(ex.Message);
return;
}
span.SetTag(Tags.HttpStatus, (int)response.StatusCode);
string responseString = await response.Content.ReadAsStringAsync();
span.LogMessage("response", responseString); // LogMessage: From common extensions.
Console.WriteLine(responseString);
}
}
