private void ProcessTableUpdate(MembershipTableData table, string caller)
{
if (table is null)
{
throw new ArgumentNullException(nameof(table));
}
if (this.log.IsEnabled(LogLevel.Debug))
{
this.log.LogDebug(nameof(ProcessTableUpdate) + " (called from {Caller}) membership table {Table}", caller, table.ToString());
}
// Update the current membership snapshot.
var(localSiloEntry, _) = this.GetOrCreateLocalSiloEntry(table, this.CurrentStatus);
var updated = MembershipTableSnapshot.Create(localSiloEntry, table);
if (this.updates.TryPublish(updated))
{
this.LogMissedIAmAlives(table);
this.log.LogInformation(
(int)ErrorCode.MembershipReadAll_2,
nameof(ProcessTableUpdate) + " (called from {Caller}) membership table: {Table}",
caller,
table.WithoutDuplicateDeads().ToString());
}
}
public async Task RefreshFromSnapshot(MembershipTableSnapshot snapshot)
{
// Check if a refresh is underway
var pending = this.pendingRefresh;
if (pending != null && !pending.IsCompleted)
{
await pending;
}
this.log.LogInformation("Received cluster membership snapshot via gossip: {Snapshot}", snapshot);
if (snapshot.Entries.TryGetValue(this.myAddress, out var localSiloEntry))
{
if (localSiloEntry.Status == SiloStatus.Dead && this.CurrentStatus != SiloStatus.Dead)
{
var msg = $"I should be Dead according to membership table (in RefreshFromSnapshot). Local entry: {(localSiloEntry.ToFullString(full: true))}.";
this.log.Warn(ErrorCode.MembershipFoundMyselfDead1, msg);
this.KillMyselfLocally(msg);
}
snapshot = MembershipTableSnapshot.Create(localSiloEntry.WithStatus(this.CurrentStatus), snapshot);
}
else
{
snapshot = MembershipTableSnapshot.Create(this.CreateLocalSiloEntry(this.CurrentStatus), snapshot);
}
// If we are behind, let's take directly the snapshot in param
this.updates.TryPublish(snapshot);
}