private static void DoRedeliveryIfRequiredLocked(ReplayConfiguration config, SafetyNetInfoCache snCache, SafetyNetInfoHashTable safetyNetInfos)
{
foreach (KeyValuePair <SafetyNetRequestKey, SafetyNetInfo> request in safetyNetInfos)
{
SafetyNetRedelivery.ProcessSingleRequest(config, snCache, request);
}
}
public static void MarkRedeliveryRequired(ReplayConfiguration configuration, DateTime failoverTimeUtc, DateTime startTimeUtc, DateTime endTimeUtc, long lastLogGenBeforeActivation, long numLogsLost)
{
SafetyNetRedelivery.Tracer.TraceDebug(0L, "MarkRedeliveryRequired() for {0}({1}) called: failoverTimeUtc={2}, startTimeUtc={3}, endTimeUtc={4}, lastLogGenBeforeActivation={5}, numLogsLost={6}", new object[]
{
configuration.Name,
configuration.Identity,
failoverTimeUtc,
startTimeUtc,
endTimeUtc,
lastLogGenBeforeActivation,
numLogsLost
});
if (endTimeUtc < startTimeUtc)
{
SafetyNetRedelivery.Tracer.TraceError <string, string>(0L, "MarkRedeliveryRequired() for {0}({1}) failed because endTimeUtc should not be less than startTimeUtc", configuration.Name, configuration.Identity);
DiagCore.AssertOrWatson(false, "endTimeUtc ({0}) should not be less than startTimeUtc ({1}) !", new object[]
{
endTimeUtc,
startTimeUtc
});
throw new DumpsterInvalidResubmitRequestException(configuration.DatabaseName);
}
TimeSpan timeSpan = endTimeUtc.Subtract(startTimeUtc);
TimeSpan timeSpan2 = TimeSpan.FromSeconds((double)RegistryParameters.DumpsterRedeliveryMaxTimeRangeInSecs);
if (timeSpan > timeSpan2)
{
SafetyNetRedelivery.Tracer.TraceError(0L, "MarkRedeliveryRequired() for {0}({1}) failed because the request window ({2}) is larger than the maximum allowed of {3}", new object[]
{
configuration.Name,
configuration.Identity,
timeSpan,
timeSpan2
});
throw new DumpsterInvalidResubmitRequestException(configuration.DatabaseName);
}
string text;
ActiveManagerCore.GetDatabaseMountStatus(configuration.IdentityGuid, out text);
SafetyNetInfo safetyNetInfo = new SafetyNetInfo(text, lastLogGenBeforeActivation, numLogsLost, failoverTimeUtc, startTimeUtc, endTimeUtc);
SafetyNetInfoCache safetyNetTable = configuration.ReplayState.GetSafetyNetTable();
safetyNetTable.Update(safetyNetInfo);
ReplayEventLogConstants.Tuple_DatabaseDumpsterRedeliveryRequired.LogEvent(null, new object[]
{
configuration.DatabaseName,
startTimeUtc,
endTimeUtc
});
ReplayCrimsonEvents.DumpsterRedeliveryRequired.Log <string, Guid, string, long, long, DateTime, DateTime, DateTime, bool, bool>(configuration.DatabaseName, configuration.IdentityGuid, text, lastLogGenBeforeActivation, numLogsLost, failoverTimeUtc, startTimeUtc, endTimeUtc, false, true);
}
public static bool IsRedeliveryRequired(ReplayConfiguration replayConfig)
{
SafetyNetInfoCache safetyNetTable = replayConfig.ReplayState.GetSafetyNetTable();
return(safetyNetTable.IsRedeliveryRequired(true, true));
}
private static void ProcessSingleRequest(ReplayConfiguration config, SafetyNetInfoCache snCache, KeyValuePair <SafetyNetRequestKey, SafetyNetInfo> request)
{
SafetyNetRequestKey key = request.Key;
SafetyNetInfo value = request.Value;
string serverName = key.ServerName;
DateTime requestCreationTimeUtc = key.RequestCreationTimeUtc;
TimeSpan timeSpan = TimeSpan.FromSeconds((double)RegistryParameters.DumpsterRedeliveryExpirationDurationInSecs);
if (requestCreationTimeUtc.Add(timeSpan) < DateTime.UtcNow)
{
SafetyNetRedelivery.Tracer.TraceDebug((long)config.GetHashCode(), "ProcessSingleRequest: Deleting Dumpster Redelivery request ({2}) for {0}({1}) because it is older than the maximum time for retries ({3}). CreationTimeUtc={4}", new object[]
{
config.Name,
config.Identity,
key,
timeSpan,
requestCreationTimeUtc
});
ReplayCrimsonEvents.DumpsterRedeliverySpecificRequestExpired.Log <string, Guid, bool, DateTime, SafetyNetRequestKey, string, TimeSpan, bool>(config.DatabaseName, config.IdentityGuid, false, requestCreationTimeUtc, key, value.GetSerializedForm(), timeSpan, value.RedeliveryRequired);
snCache.Delete(value);
return;
}
if (!value.IsVersionCompatible())
{
SafetyNetRedelivery.Tracer.TraceDebug((long)config.GetHashCode(), "ProcessSingleRequest: Skipping Dumpster Redelivery request ({2}) for {0}({1}) because it is of an incompatible version. ServerVersion={3}; RequestVersion={4}", new object[]
{
config.Name,
config.Identity,
key,
SafetyNetInfo.VersionNumber,
value.Version
});
ReplayCrimsonEvents.DumpsterRedeliveryRequestVersionIncompatible.LogPeriodic <string, Guid, bool, DateTime, SafetyNetRequestKey, string, bool, Version, Version>(config.Identity + key.ToString(), DateTimeHelper.OneDay, config.DatabaseName, config.IdentityGuid, false, requestCreationTimeUtc, key, value.GetSerializedForm(), value.RedeliveryRequired, SafetyNetInfo.VersionNumber, value.Version);
return;
}
if (!value.RedeliveryRequired)
{
SafetyNetRedelivery.Tracer.TraceDebug <string, string, SafetyNetRequestKey>((long)config.GetHashCode(), "ProcessSingleRequest: Skipping and deleting request ({2}) for {0}({1}) because RedeliveryRequired is 'false'.", config.Name, config.Identity, key);
snCache.Delete(value);
return;
}
if (value.RequestNextDueTimeUtc > DateTime.UtcNow)
{
SafetyNetRedelivery.Tracer.TraceDebug((long)config.GetHashCode(), "ProcessSingleRequest: Skipped processing redelivery request ({2}) for {0}({1}) due to backoff logic. The request will next run at '{3}'", new object[]
{
config.Name,
config.Identity,
key,
value.RequestNextDueTimeUtc
});
return;
}
SafetyNetRedelivery.Tracer.TraceDebug <string, string, SafetyNetRequestKey>((long)config.GetHashCode(), "ProcessSingleRequest: Processing redelivery request ({2}) for {0}({1})", config.Name, config.Identity, key);
bool flag = true;
DateTime startTimeUtc = value.StartTimeUtc;
DateTime endTimeUtc = value.EndTimeUtc;
List <string> list = null;
List <string> list2 = null;
TimeSpan value2 = TimeSpan.FromSeconds((double)RegistryParameters.DumpsterRedeliveryPrimaryRetryDurationInSecs);
IMonitoringADConfig config2 = Dependencies.MonitoringADConfigProvider.GetConfig(true);
if (value.HubServers == null || value.HubServers.Count == 0)
{
if (config2.ServerRole != MonitoringServerRole.DagMember)
{
SafetyNetRedelivery.LogSpecificRequestFailedEvent(config, key, value, "Local server is not a member of a DAG.", new object[0]);
return;
}
List <IADServer> servers = config2.Servers;
if (servers == null || servers.Count == 0)
{
SafetyNetRedelivery.LogSpecificRequestFailedEvent(config, key, value, "Could not find any BackEnd servers in local DAG '{0}'.", new object[]
{
config2.Dag.Name
});
return;
}
list = new List <string>(servers.Count <IADServer>());
foreach (IADServer iadserver in servers)
{
list.Add(iadserver.Fqdn);
}
value.HubServers = list;
}
else if (requestCreationTimeUtc.Add(value2) >= DateTime.UtcNow)
{
list = value.PrimaryHubServers;
}
else
{
list = value.ShadowHubServers;
flag = false;
if (value.ShadowRequestCreateTimeUtc == DateTime.MinValue)
{
value.ShadowRequestCreateTimeUtc = DateTime.UtcNow;
}
}
if (list == null || list.Count == 0)
{
list = value.HubServers;
}
if (SafetyNetRedelivery.Tracer.IsTraceEnabled(TraceType.DebugTrace))
{
string text = string.Join(",", list);
if (flag)
{
SafetyNetRedelivery.Tracer.TraceDebug((long)config.GetHashCode(), "ProcessSingleRequest: Processing redelivery request ({2}) for {0}({1}) : Primary phase. Servers={3}", new object[]
{
config.Name,
config.Identity,
key,
text
});
}
else
{
SafetyNetRedelivery.Tracer.TraceDebug((long)config.GetHashCode(), "ProcessSingleRequest: Processing redelivery request ({2}) for {0}({1}) : Shadow copy phase. Servers={3}", new object[]
{
config.Name,
config.Identity,
key,
text
});
}
}
list2 = new List <string>(list.Count);
value.RequestLastAttemptedTimeUtc = DateTime.UtcNow;
foreach (string text2 in list)
{
Exception ex = SafetyNetRedelivery.DumpsterResubmitRpc(text2, config, key, value, config2, flag);
if (ex != null)
{
list2.Add(text2);
}
}
if (list2.Count == 0)
{
SafetyNetRedelivery.Tracer.TraceDebug <string, string, SafetyNetRequestKey>((long)config.GetHashCode(), "ProcessSingleRequest: Deleting dumpster request ({2}) for {0}({1}), since RPC has completed to all HUB servers", config.Name, config.Identity, key);
value.RedeliveryRequired = false;
value.RequestCompletedTimeUtc = DateTime.UtcNow;
value.RequestNextDueTimeUtc = DateTime.MinValue;
}
else
{
value.RequestNextDueTimeUtc = SafetyNetRequestBackoff.GetNextDueTime(key, value, flag);
SafetyNetRedelivery.Tracer.TraceDebug((long)config.GetHashCode(), "ProcessSingleRequest: Dumpster request ({2}) for {0}({1}): Setting next due time to {3}.", new object[]
{
config.Name,
config.Identity,
key,
value.RequestNextDueTimeUtc
});
ReplayCrimsonEvents.DumpsterRedeliveryRequestNextDueAt.Log <string, Guid, DateTime, DateTime, DateTime, DateTime>(config.DatabaseName, config.IdentityGuid, key.RequestCreationTimeUtc, value.StartTimeUtc, value.EndTimeUtc, value.RequestNextDueTimeUtc);
}
if (flag)
{
value.PrimaryHubServers = list2;
}
else
{
value.ShadowHubServers = list2;
}
if (value.RedeliveryRequired)
{
snCache.Update(value);
return;
}
snCache.Delete(value);
}
public static void DoRedeliveryIfRequired(object replayConfig)
{
ReplayConfiguration replayConfiguration = replayConfig as ReplayConfiguration;
SafetyNetRedelivery.Tracer.TraceDebug <string, string>(0L, "DumpsterRedeliveryManager: DoRedeliveryIfRequired for {0}({1}).", replayConfiguration.Name, replayConfiguration.Identity);
if (replayConfiguration == null)
{
SafetyNetRedelivery.Tracer.TraceError(0L, "DoRedeliveryIfRequired: Invalid ReplayConfiguration object passed in.");
return;
}
Exception ex = null;
bool flag = false;
try
{
SafetyNetInfoCache safetyNetTable = replayConfiguration.ReplayState.GetSafetyNetTable();
SafetyNetInfoHashTable safetyNetInfosReadThrough = safetyNetTable.GetSafetyNetInfosReadThrough();
if (!safetyNetInfosReadThrough.RedeliveryRequired)
{
SafetyNetRedelivery.Tracer.TraceDebug <string, string>((long)replayConfiguration.GetHashCode(), "DoRedeliveryIfRequired: Skipping Redelivery for {0}({1}) because RedeliveryRequired is 'false'.", replayConfiguration.Name, replayConfiguration.Identity);
}
else
{
flag = SafetyNetRedelivery.TryEnterLock(replayConfiguration);
if (!flag)
{
SafetyNetRedelivery.Tracer.TraceDebug <string, string>((long)replayConfiguration.GetHashCode(), "DoRedeliveryIfRequired: Another thread is doing Redelivery on {0}({1})", replayConfiguration.Name, replayConfiguration.Identity);
}
else
{
SafetyNetRedelivery.Tracer.TraceDebug <string, string>((long)replayConfiguration.GetHashCode(), "DoRedeliveryIfRequired: Processing dumpster re-delivery for instance {0}({1})", replayConfiguration.Name, replayConfiguration.Identity);
SafetyNetRedelivery.DoRedeliveryIfRequiredLocked(replayConfiguration, safetyNetTable, safetyNetInfosReadThrough);
}
}
}
catch (DumpsterRedeliveryException ex2)
{
ex = ex2;
}
catch (MonitoringADConfigException ex3)
{
ex = ex3;
}
catch (ClusterException ex4)
{
ex = ex4;
}
catch (TransientException ex5)
{
ex = ex5;
}
catch (IOException ex6)
{
ex = ex6;
}
finally
{
if (ex != null)
{
SafetyNetRedelivery.Tracer.TraceError <string, string, Exception>((long)replayConfiguration.GetHashCode(), "DoRedeliveryIfRequired() for {0}({1}) failed with Exception: {2}", replayConfiguration.Name, replayConfiguration.Identity, ex);
ReplayCrimsonEvents.DumpsterRedeliveryForDatabaseFailed.LogPeriodic <string, Guid, bool, string, Exception>(replayConfiguration.Identity, DiagCore.DefaultEventSuppressionInterval, replayConfiguration.DatabaseName, replayConfiguration.IdentityGuid, false, ex.Message, ex);
ReplayEventLogConstants.Tuple_DumpsterRedeliveryFailed.LogEvent(replayConfiguration.Identity, new object[]
{
ex.Message,
replayConfiguration.Name
});
}
if (flag)
{
SafetyNetRedelivery.ExitLock(replayConfiguration);
}
}
}
