protected override void InternalProcessRecord()
{
this.m_output.WriteProgressIncrementalSimple(Strings.ProgressForceQuorum, 10);
if (!this.m_isQuorumPresent && !this.ForceQuorumIfNecessary())
{
this.m_output.WriteErrorSimple(new DagTaskQuorumNotAchievedException(this.m_dag.Name));
}
this.m_output.WriteProgressIncrementalSimple(Strings.ProgressChangeFsw, 20);
DatabaseAvailabilityGroupAction.EvictStoppedNodes(this.m_dag, this.m_stoppedServers.Values, this.m_output);
this.ProcessFileShareWitness();
IEnumerable <AmServerName> amServerNamesFromServers = RestoreDatabaseAvailabilityGroup.GetAmServerNamesFromServers(this.m_startedServers.Values);
using (AmCluster amCluster = AmCluster.OpenByNames(amServerNamesFromServers))
{
bool shouldBeFsw = DagTaskHelper.ShouldBeFileShareWitness(this.m_output, this.m_dag, amCluster, false);
DagTaskHelper.ChangeQuorumToMnsOrFswAsAppropriate(this.m_output, this, this.m_dag, amCluster, this.m_afsw, this.m_afsw, shouldBeFsw, !this.UsePrimaryWitnessServer);
this.DeleteLastLogGenerationTimeStamps(amCluster, this.m_stoppedServers.Values, this.m_output);
}
this.m_output.WriteProgressIncrementalSimple(Strings.ProgressTaskComplete, 100);
base.InternalProcessRecord();
}
private void UpdateFileShareWitness()
{
if (this.m_allServers.Count == 0)
{
this.m_output.WriteErrorSimple(new DagTaskNoServersAreStartedException(this.m_dag.Name));
}
IEnumerable <AmServerName> amServerNamesFromServers = RestoreDatabaseAvailabilityGroup.GetAmServerNamesFromServers(this.m_allServers.Values);
using (AmCluster amCluster = AmCluster.OpenByNames(amServerNamesFromServers))
{
bool flag = DagTaskHelper.IsQuorumTypeFileShareWitness(this.m_output, amCluster);
bool flag2 = DagTaskHelper.ShouldBeFileShareWitness(this.m_output, this.m_dag, amCluster, false);
string fswShareCurrent = string.Empty;
if (flag)
{
using (AmClusterResource amClusterResource = amCluster.OpenQuorumResource())
{
if (amClusterResource != null)
{
fswShareCurrent = amClusterResource.GetPrivateProperty <string>("SharePath");
}
}
}
if (flag2)
{
if (this.m_fsw != null)
{
try
{
this.m_output.AppendLogMessage("Creating/modififying the primary FSW, if needed.", new object[0]);
this.m_fsw.Create();
if (this.m_dag.Servers.Count == 0 && this.m_fsw.IsJustCreated)
{
this.m_fsw.Delete();
}
}
catch (LocalizedException ex)
{
if (this.m_fsw.GetExceptionType(ex) != FileShareWitnessExceptionType.FswDeleteError)
{
this.m_output.WriteWarning(ex.LocalizedString);
}
}
}
if (this.m_afsw != null && !this.m_afsw.Equals(this.m_fsw))
{
try
{
this.m_output.AppendLogMessage("Creating/modififying the alternate FSW, if needed.", new object[0]);
this.m_afsw.Create();
if (this.m_dag.Servers.Count == 0 && this.m_afsw.IsJustCreated)
{
this.m_afsw.Delete();
}
}
catch (LocalizedException ex2)
{
if (this.m_afsw.GetExceptionType(ex2) != FileShareWitnessExceptionType.FswDeleteError)
{
this.m_output.WriteWarning(ex2.LocalizedString);
}
}
}
bool useAlternateWitnessServer = this.m_useAlternateWitnessServer;
if (!this.m_skipDagValidation || (flag2 && !flag))
{
DagTaskHelper.ChangeQuorumToMnsOrFswAsAppropriate(this.m_output, this, this.m_dag, amCluster, this.m_fsw, this.m_afsw, flag2, this.m_useAlternateWitnessServer);
}
}
else if (!this.m_skipDagValidation && flag)
{
DagTaskHelper.RevertToMnsQuorum(this.m_output, amCluster, fswShareCurrent);
}
}
}