/// <summary>
/// Creates a new object from the underlying failing query.
/// </summary>
/// <param name="underlyingFailingQuery">The underlying failing query dataset.</param>
/// <param name="penaltyInfo">The penalty info.</param>
/// <remarks>
/// Yes, this is code duplication with BgpRestApiController and a common base-class would make sense design-wise (is-a FailingQuery).
/// But this has been added later and the underlying classes are Entity Framework Database Models.
/// I'm simply scared of modifying them to have a common base class. Not sure if EF migration framework is able to handle this.
/// </remarks>
public RssiFailingQueryWithPenaltyInfo(RssiFailingQuery underlyingFailingQuery, ISingleFailureInfo penaltyInfo)
{
if (underlyingFailingQuery == null)
{
throw new ArgumentNullException(nameof(underlyingFailingQuery), "The underlying failing query data is null");
}
this.AffectedHosts = underlyingFailingQuery.AffectedHosts;
this.ErrorInfo = underlyingFailingQuery.ErrorInfo;
this.Subnet = underlyingFailingQuery.Subnet;
this.TimeStamp = underlyingFailingQuery.TimeStamp;
this.PenaltyInfo = underlyingFailingQuery.PenaltyInfo;
if (penaltyInfo != null)
{
// only replacing the object that has potentially been retrieved from database
// if we have a more recent one directly from handler.
if (this.PenaltyInfo == null)
{
// we have not penalty info -> unconditionally set the new one
this.PenaltyInfo = penaltyInfo;
}
else if (this.PenaltyInfo.LastOccurance <= penaltyInfo.LastOccurance)
{
// we have a penalty info -> only set if new one is newer or same
this.PenaltyInfo = penaltyInfo;
}
}
}
/// <summary>
/// Records a failing query.
/// </summary>
/// <param name="databaseContext">The database context to work with.</param>
/// <param name="ex">The exception that caused the failure.</param>
/// <param name="pair">The pair of hosts inside the subnet to query.</param>
private void DoRecordFailingRssiQueryEntry(QueryResultDatabaseContext databaseContext, Exception ex, KeyValuePair <IHamnetDbSubnet, IHamnetDbHosts> pair)
{
var failingSubnetString = pair.Key.Subnet.ToString();
var failEntry = databaseContext.RssiFailingQueries.Find(failingSubnetString);
var hamnetSnmpEx = ex as HamnetSnmpException;
if (failEntry == null)
{
failEntry = new RssiFailingQuery
{
Subnet = failingSubnetString,
AffectedHosts = (hamnetSnmpEx != null) ? hamnetSnmpEx.AffectedHosts : pair.Value.Select(h => h.Address?.ToString()).ToArray()
};
databaseContext.RssiFailingQueries.Add(failEntry);
}
failEntry.TimeStamp = DateTime.UtcNow;
failEntry.PenaltyInfo = this.failureRetryFilteringDataHandler?.QueryPenaltyDetails(QueryType.RssiQuery, pair.Key.Subnet);
#if DEBUG
failEntry.ErrorInfo = ex?.ToString() ?? string.Empty;
#else
failEntry.ErrorInfo = ex?.Message ?? string.Empty;
#endif
}
