class Aws::Plugins::ClientMetricsSendPlugin::AttemptHandler

def call(context)
  request_metrics = context.metadata[:client_metrics]
  attempt_opts = {
    timestamp: DateTime.now.strftime('%Q').to_i,
    fqdn: context.http_request.endpoint.host,
    region: context.config.region,
    user_agent: context.http_request.headers["user-agent"],
  }
  # It will generally cause an error, but it is semantically valid for
  # credentials to not exist.
  if context.config.credentials
    attempt_opts[:access_key] =
      context.config.credentials.credentials.access_key_id
    attempt_opts[:session_token] =
      context.config.credentials.credentials.session_token
  end
  call_attempt = request_metrics.build_call_attempt(attempt_opts)
  context.metadata[:current_call_attempt] = call_attempt
  resp = @handler.call(context)
  if context.metadata[:redirect_region]
    call_attempt.region = context.metadata[:redirect_region]
  end
  headers = context.http_response.headers
  if headers.include?("x-amz-id-2")
    call_attempt.x_amz_id_2 = headers["x-amz-id-2"]
  end
  if headers.include?("x-amz-request-id")
    call_attempt.x_amz_request_id = headers["x-amz-request-id"]
  end
  if headers.include?("x-amzn-request-id")
    call_attempt.x_amzn_request_id = headers["x-amzn-request-id"]
  end
  call_attempt.http_status_code = context.http_response.status_code
  if e = resp.error
    e_name = _extract_error_name(e)
    e_msg = e.message
    call_attempt.aws_exception = "#{e_name}"
    call_attempt.aws_exception_msg = "#{e_msg}"
  end
  request_metrics.add_call_attempt(call_attempt)
  resp
end