zydronium/websitepanel
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

MX and NS - DNS timeout fix

Browse source
This commit is contained in:
vfedosevich 2014-12-19 02:46:23 -08:00
parent a5120e14b2
commit 8a45147d44
1 changed files with 19 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

23
WebsitePanel/Sources/WebsitePanel.EnterpriseServer.Code/SchedulerTasks/DomainLookupViewTask.cs
View file

@ -26,7 +26,9 @@ namespace WebsitePanel.EnterpriseServer
private const string MxRecordPattern = @"mail exchanger = (.+)";
private const string NsRecordPattern = @"nameserver = (.+)";
private const string DnsTimeOutMessage = @"dns request timed out";
private const int DnsTimeOutRetryCount = 3;
public override void DoWork()
{
BackgroundTask topTask = TaskManager.TopTask;
@ -100,8 +102,8 @@ namespace WebsitePanel.EnterpriseServer
//execute server
foreach (var dnsServer in dnsServers)
{
var dnsMxRecords = GetDomainDnsRecords(winServer, domain.DomainName, dnsServer, DnsRecordType.MX);
var dnsNsRecords = GetDomainDnsRecords(winServer, domain.DomainName, dnsServer, DnsRecordType.NS);
var dnsMxRecords = GetDomainDnsRecords(winServer, domain.DomainName, dnsServer, DnsRecordType.MX) ?? dbDnsRecords.Where(x => x.RecordType == DnsRecordType.MX).ToList();
var dnsNsRecords = GetDomainDnsRecords(winServer, domain.DomainName, dnsServer, DnsRecordType.NS) ?? dbDnsRecords.Where(x => x.RecordType == DnsRecordType.NS).ToList();
FillRecordData(dnsMxRecords, domain, dnsServer);
FillRecordData(dnsNsRecords, domain, dnsServer);
@ -311,7 +313,20 @@ namespace WebsitePanel.EnterpriseServer
var args = string.Format("-type={0} {1} {2}", recordType, domain, dnsServer);
// execute system command
var raw = winServer.ExecuteSystemCommand(command, args);
var raw = string.Empty;
int triesCount = 0;
do
{
raw = winServer.ExecuteSystemCommand(command, args);
}
while (raw.ToLowerInvariant().Contains(DnsTimeOutMessage) && ++triesCount < DnsTimeOutRetryCount);
//timeout check
if (raw.ToLowerInvariant().Contains(DnsTimeOutMessage))
{
return null;
}
var records = ParseNsLookupResult(raw, dnsServer, recordType);