/// <summary>
/// Converts internal Unbount statistics object to a public DnsServerStatistics object.
/// ServerName is here unknown, but it's up to the caller to set this
/// depending on what server it sent the request to.
/// </summary>
/// <param name="unboundControlStats"></param>
/// <returns></returns>
private DnsServerStatistics CreateDnsServerStatisticsResult(UnboundControlStats unboundControlStats)
{
return(new DnsServerStatistics
{
ServerName = "Unknown", // This server does not now its name
QueriesRequested = unboundControlStats.TotalNumQueries,
QueriesBlocked = unboundControlStats.NumAnswerREFUSED, // We currently block with REFUSED
DomainsOnBlockList = unboundControlStats.DomainsOnBlocklist,
CreatedDate = DateTime.UtcNow,
QueryTypeA = unboundControlStats.NumQueryTypeA,
QueryTypeSOA = unboundControlStats.NumQueryTypeSOA,
QueryTypeNull = unboundControlStats.NumQueryTypeNull,
QueryTypeTXT = unboundControlStats.NumQueryTypeTXT,
QueryTypeAAA = unboundControlStats.NumQueryTypeAAA,
QueryTypeSRV = unboundControlStats.NumQueryTypeSRV,
QueryTypeDNSKEY = unboundControlStats.NumQueryTypeDNSKEY,
QueryTypeAny = unboundControlStats.NumQueryTypeAny,
AnswerNOERROR = unboundControlStats.NumAnswerNOERROR,
AnswerFORMERR = unboundControlStats.NumAnswerFORMERR,
AnswerSERVFAIL = unboundControlStats.NumAnswerSERVFAIL,
AnswerNXDOMAIN = unboundControlStats.NumAnswerNXDOMAIN,
AnswerNOTIMPL = unboundControlStats.NumAnswerNOTIMPL,
AnswerREFUSED = unboundControlStats.NumAnswerREFUSED,
AnswerNODATA = unboundControlStats.NumAnswerNODATA
});
}
public async Task <IActionResult> GetAsync()
{
try
{
var unboundControlStatsOutput = await _bashUtil.ExecuteBash(_bashSettings.UnboundControlCmd);
var domainsOnBlocklistOutput = await _bashUtil.ExecuteBash(_bashSettings.DomainsOnBlocklistCmd);
var cmdResult = unboundControlStatsOutput.Concat(domainsOnBlocklistOutput);
var unboundControlStats = new UnboundControlStats(cmdResult);
return(new OkObjectResult(CreateDnsServerStatisticsResult(unboundControlStats)));
}
catch (Exception e)
{
_logger.Error(e, "Got an exception while executing {Controller}", nameof(UnboundControlStatsController));
return(new StatusCodeResult(500)); // Always respond with HTTP status code 500 for now
}
}
