/// <summary>
/// Determines if a warning should be sent based on if a warning of the same type has been sent.
/// </summary>
/// <param name="warning">Warning to be sent</param>
/// <returns>Boolean indicating if a warning should be sent</returns>
private bool WarningShouldSendType(LoadBalancingWarning warning)
{
return !(_sentWarningMessages.ContainsKey(warning.NodeName)
&& _sentWarningMessages[warning.NodeName].Contains(warning.WarningType));
}
/// <summary>
/// Queues a load balancing warning for future sending.
/// Verifies that a message of the specified type has not been sent within NODE_WARNING_DELAY_HOURS.
/// </summary>
/// <param name="warning">Warning to be sent</param>
protected void QueueWarningEmail(LoadBalancingWarning warning)
{
if (WarningShouldSendTime(warning) || WarningShouldSendType(warning))
{
_warningMessages.Add(warning);
_nodeWarningSendTime[warning.NodeName] = DateTime.Now;
if (!_sentWarningMessages.ContainsKey(warning.NodeName))
_sentWarningMessages.Add(warning.NodeName, new List<LoadBalancingWarning.WarningTypeEnum>());
_sentWarningMessages[warning.NodeName].Add(warning.WarningType);
}
}
/// <summary>
/// Determines if a warning should be sent based on the last time a warning was sent.
/// </summary>
/// <param name="warning">Warning to be sent</param>
/// <returns>Boolean indicating if a warning should be sent</returns>
private bool WarningShouldSendTime(LoadBalancingWarning warning)
{
bool shouldSendTime = true;
if (_nodeWarningSendTime.ContainsKey(warning.NodeName))
{
TimeSpan lastEmailInterval = DateTime.Now.Subtract(_nodeWarningSendTime[warning.NodeName]);
if (lastEmailInterval.TotalHours < NODE_WARNING_DELAY_HOURS)
shouldSendTime = false;
else
_sentWarningMessages.Remove(warning.NodeName); //greater than NODE_WARNING_DELAY_HOURS, reset the sent warning messages
}
return shouldSendTime;
}
private void RaiseSendWarning(LoadBalancingWarning warning)
{
if (OnSendWarning != null)
OnSendWarning(warning);
}