public static ReplicationProgress CreateActive(HostStatus master, params HostStatus[] slaves)
{
if (master == null)
{
throw new ArgumentNullException(nameof(master));
}
if (slaves == null)
{
throw new ArgumentNullException(nameof(slaves));
}
if (slaves.Length == 0)
{
throw new ArgumentException("Value cannot be an empty collection.", nameof(slaves));
}
ReplicationProgress instance = new ReplicationProgress();
instance.IsActive = true;
instance.Master = master;
instance.Slaves = slaves;
instance.InSync = slaves.All(item => item.Offset == master.Offset);
return(instance);
}
public static IEnumerable <string> GenerateProgress(this ReplicationProgress progress)
{
if (progress.Slaves == null)
{
yield break;
}
foreach (var progressSlave in progress.Slaves)
{
yield return($"Replication progress from [{progress.Master.EndPoint}] to [{progressSlave.EndPoint}] Progress - {progressSlave.Offset / (double)progress.Master.Offset * 100:F2}%");
}
}
private void Track(ReplicationProgress progress)
{
if (progress == null)
{
return;
}
foreach (var record in progress.GenerateProgress())
{
logging(record);
}
}
private ReplicationProgress TimerEvent(long timer)
{
if (master == null ||
!master.IsActive)
{
return(ReplicationProgress.CreateInActive());
}
var info = master.GetInfo(ReplicationInfo.Name).ToArray();
if (info.Length != 1)
{
string message = "Do not support zero or multiple masters replication: " + info.Length;
log.LogError(message);
throw new InvalidOperationException(message);
}
var information = info[0];
var masterOffset = information.Replication.MasterReplOffset;
if (information.Replication.Role != ReplicationRole.Master ||
masterOffset == null ||
information.Replication.Slaves == null ||
information.Replication.Slaves.Length < slave.GetServers().Count())
{
log.LogDebug("Replication - Inactive");
return(ReplicationProgress.CreateInActive());
}
var slaves = GetSlaveInformation(information);
log.LogDebug("Replication - Active");
return(ReplicationProgress.CreateActive(
new HostStatus(masterEndPoint, masterOffset.Value),
slaves.ToArray()));
}
public static ReplicationProgress CreateInActive()
{
ReplicationProgress instance = new ReplicationProgress();
return(instance);
}
