/// <summary>
/// +
/// Only Leader's proc.
/// Accepts entry return true if Committed
/// </summary>
/// <param name="majorityNumber"></param>
/// <param name="LogId"></param>
/// <param name="TermId"></param>
public eEntryAcceptanceResult EntryIsAccepted(NodeRaftAddress address, uint majorityQuantity, StateLogEntryApplied applied)
{
//If we receive acceptance signals of already Committed entries, we just ignore them
if (applied.StateLogEntryId <= this.log.LastCommittedIndex)
{
return(eEntryAcceptanceResult.AlreadyAccepted); //already accepted
}
if (applied.StateLogEntryId <= this.log.LastAppliedIndex)
{
return(eEntryAcceptanceResult.AlreadyAccepted); //already accepted
}
StateLogEntryAcceptance acc = null;
if (acceptStateTable.TryGetValue(applied.StateLogEntryId, out acc))
{
if (acc.Term != applied.StateLogEntryTerm)
{
return(eEntryAcceptanceResult.NotAccepted); //Came from wrong Leader probably
}
acc.acceptedEndPoints.Add(address.EndPointSID);
}
else
{
acc = new StateLogEntryAcceptance()
{
Index = applied.StateLogEntryId,
Term = applied.StateLogEntryTerm
};
acc.acceptedEndPoints.Add(address.EndPointSID);
acceptStateTable[applied.StateLogEntryId] = acc;
}
if ((acc.acceptedEndPoints.Count + 1) >= majorityQuantity)
{
this.log.LastAppliedIndex = applied.StateLogEntryId;
//Removing from Dictionary
acceptStateTable.Remove(applied.StateLogEntryId);
if (this.log.LastCommittedIndex < applied.StateLogEntryId && this.stateMachine.NodeTerm == applied.StateLogEntryTerm) //Setting LastCommittedId
{
bool commited = this.log.CommitLogEntry(address, majorityQuantity, applied);
//todo:: the above operation may commit many log at the same time
//should double check this logic
// if (this.log.lstCommited.Count > 0)
if (commited)
{
this.Commited();
}
return(eEntryAcceptanceResult.Committed);
}
}
return(eEntryAcceptanceResult.Accepted);
}
/// <summary>
/// +
/// Only Leader's proc.
/// Accepts entry return true if Committed
/// </summary>
/// <param name="majorityNumber"></param>
/// <param name="LogId"></param>
/// <param name="TermId"></param>
public eEntryAcceptanceResult EntryIsAccepted(NodeAddress address, uint majorityQuantity, StateLogEntryApplied applied)
{
//If we receive acceptance signals of already Committed entries, we just ignore them
if (applied.StateLogEntryId <= this.LastCommittedIndex)
{
return(eEntryAcceptanceResult.AlreadyAccepted); //already accepted
}
if (applied.StateLogEntryId <= this.LastAppliedIndex)
{
return(eEntryAcceptanceResult.AlreadyAccepted); //already accepted
}
StateLogEntryAcceptance acc = null;
if (dStateLogEntryAcceptance.TryGetValue(applied.StateLogEntryId, out acc))
{
if (acc.Term != applied.StateLogEntryTerm)
{
return(eEntryAcceptanceResult.NotAccepted); //Came from wrong Leader probably
}
//acc.Quantity += 1;
acc.acceptedEndPoints.Add(address.EndPointSID);
}
else
{
acc = new StateLogEntryAcceptance()
{
//Quantity = 2, //Leader + first incoming
Index = applied.StateLogEntryId,
Term = applied.StateLogEntryTerm
};
acc.acceptedEndPoints.Add(address.EndPointSID);
dStateLogEntryAcceptance[applied.StateLogEntryId] = acc;
}
if ((acc.acceptedEndPoints.Count + 1) >= majorityQuantity)
{
this.LastAppliedIndex = applied.StateLogEntryId;
//Removing from Dictionary
dStateLogEntryAcceptance.Remove(applied.StateLogEntryId);
if (this.LastCommittedIndex < applied.StateLogEntryId && rn.NodeTerm == applied.StateLogEntryTerm) //Setting LastCommittedId
{
//Saving committed entry (all previous are automatically committed)
List <byte[]> lstCommited = new List <byte[]>();
using (var t = this.rn.db.GetTransaction())
{
//Gathering all not commited entries that are bigger than latest committed index
t.ValuesLazyLoadingIsOn = false;
foreach (var el in t.SelectForwardFromTo <byte[], byte[]>(tblStateLogEntry,
new byte[] { 1 }.ToBytes(this.LastCommittedIndex + 1, applied.StateLogEntryTerm), true,
new byte[] { 1 }.ToBytes(ulong.MaxValue, applied.StateLogEntryTerm), true, true))
{
lstCommited.Add(StateLogEntry.BiserDecode(el.Value).Data);
}
//Setting latest commited index
if (rn.entitySettings.DelayedPersistenceIsActive)
{
foreach (var iel in sleCache.Where(r => r.Key >= this.LastCommittedIndex + 1 && r.Value.Item1 == applied.StateLogEntryTerm))
{
lstCommited.Add(iel.Value.Item2.Data);
}
sleCacheIndex = applied.StateLogEntryId;
sleCacheTerm = applied.StateLogEntryTerm;
}
else
{
t.Insert <byte[], byte[]>(tblStateLogEntry, new byte[] { 2 }, applied.StateLogEntryId.ToBytes(applied.StateLogEntryTerm));
t.Commit();
}
//Removing entry from command queue
//t.RemoveKey<byte[]>(tblAppendLogEntry, new byte[] { 1 }.ToBytes(applied.StateLogEntryTerm, applied.StateLogEntryId));
qDistribution.Remove(applied.StateLogEntryId);
}
this.LastCommittedIndex = applied.StateLogEntryId;
this.LastCommittedIndexTerm = applied.StateLogEntryTerm;
if (lstCommited.Count > 0)
{
this.rn.Commited();
}
//this.rn.Commited(applied.StateLogEntryId);
return(eEntryAcceptanceResult.Committed);
}
}
return(eEntryAcceptanceResult.Accepted);
}
/// <summary>
/// +
/// Only Leader's proc.
/// Accepts entry return true if Committed
/// </summary>
/// <param name="majorityNumber"></param>
/// <param name="LogId"></param>
/// <param name="TermId"></param>
public eEntryAcceptanceResult EntryIsAccepted(NodeRaftAddress address, uint majorityQuantity, StateLogEntryApplied applied)
{
//If we receive acceptance signals of already Committed entries, we just ignore them
if (applied.StateLogEntryId <= this.LastCommittedIndex)
{
return(eEntryAcceptanceResult.AlreadyAccepted); //already accepted
}
if (applied.StateLogEntryId <= this.LastAppliedIndex)
{
return(eEntryAcceptanceResult.AlreadyAccepted); //already accepted
}
StateLogEntryAcceptance acc = null;
if (dStateLogEntryAcceptance.TryGetValue(applied.StateLogEntryId, out acc))
{
if (acc.Term != applied.StateLogEntryTerm)
{
return(eEntryAcceptanceResult.NotAccepted); //Came from wrong Leader probably
}
acc.acceptedEndPoints.Add(address.EndPointSID);
}
else
{
acc = new StateLogEntryAcceptance()
{
Index = applied.StateLogEntryId,
Term = applied.StateLogEntryTerm
};
acc.acceptedEndPoints.Add(address.EndPointSID);
dStateLogEntryAcceptance[applied.StateLogEntryId] = acc;
}
if ((acc.acceptedEndPoints.Count + 1) >= majorityQuantity)
{
this.LastAppliedIndex = applied.StateLogEntryId;
//Removing from Dictionary
dStateLogEntryAcceptance.Remove(applied.StateLogEntryId);
if (this.LastCommittedIndex < applied.StateLogEntryId && statemachine.NodeTerm == applied.StateLogEntryTerm) //Setting LastCommittedId
{
//Saving committed entry (all previous are automatically committed)
List <byte[]> lstCommited = new List <byte[]>();
var col = this.db.GetCollection <StateLogEntry>(stateTableName);
var list = col.Query().Where(s => s.Index >= this.LastCommittedIndex + 1 && s.Term == applied.StateLogEntryTerm).ToList();
foreach (var item in list)
{
lstCommited.Add(new byte[1]);
item.IsCommitted = true;
col.Update(item);
qDistribution.Remove(applied.StateLogEntryId);
}
//using (var t = this.db.GetTransaction())
//{
// //Gathering all not commited entries that are bigger than latest committed index
// t.ValuesLazyLoadingIsOn = false;
// foreach (var el in t.SelectForwardFromTo<byte[], byte[]>(stateTableName,
// new byte[] { 1 }.ToBytes(this.LastCommittedIndex + 1, applied.StateLogEntryTerm), true,
// new byte[] { 1 }.ToBytes(ulong.MaxValue, applied.StateLogEntryTerm), true, true))
// {
// lstCommited.Add(StateLogEntry.BiserDecode(el.Value).Data);
// }
// t.Insert<byte[], byte[]>(stateTableName, new byte[] { 2 }, applied.StateLogEntryId.ToBytes(applied.StateLogEntryTerm));
// t.Commit();
// qDistribution.Remove(applied.StateLogEntryId);
//}
this.LastCommittedIndex = applied.StateLogEntryId;
this.LastCommittedIndexTerm = applied.StateLogEntryTerm;
if (lstCommited.Count > 0)
{
this.statemachine.logHandler.Commited();
}
return(eEntryAcceptanceResult.Committed);
}
}
return(eEntryAcceptanceResult.Accepted);
}
/// <summary>
/// +
/// Only Leader's proc.
/// Accepts entry return true if Committed
/// </summary>
/// <param name="majorityNumber"></param>
/// <param name="LogId"></param>
/// <param name="TermId"></param>
public eEntryAcceptanceResult EntryIsAccepted(NodeRaftAddress address, uint majorityQuantity, StateLogEntryApplied applied)
{
//If we receive acceptance signals of already Committed entries, we just ignore them
if (applied.StateLogEntryId <= this.LastCommittedIndex)
{
return(eEntryAcceptanceResult.AlreadyAccepted); //already accepted
}
if (applied.StateLogEntryId <= this.LastAppliedIndex)
{
return(eEntryAcceptanceResult.AlreadyAccepted); //already accepted
}
StateLogEntryAcceptance acc = null;
if (dStateLogEntryAcceptance.TryGetValue(applied.StateLogEntryId, out acc))
{
if (acc.Term != applied.StateLogEntryTerm)
{
return(eEntryAcceptanceResult.NotAccepted); //Came from wrong Leader probably
}
acc.acceptedEndPoints.Add(address.EndPointSID);
}
else
{
acc = new StateLogEntryAcceptance()
{
//Quantity = 2, //Leader + first incoming
Index = applied.StateLogEntryId,
Term = applied.StateLogEntryTerm
};
acc.acceptedEndPoints.Add(address.EndPointSID);
dStateLogEntryAcceptance[applied.StateLogEntryId] = acc;
}
if ((acc.acceptedEndPoints.Count + 1) >= majorityQuantity)
{
this.LastAppliedIndex = applied.StateLogEntryId;
//Removing from Dictionary
dStateLogEntryAcceptance.Remove(applied.StateLogEntryId);
if (this.LastCommittedIndex < applied.StateLogEntryId && rn.NodeTerm == applied.StateLogEntryTerm) //Setting LastCommittedId
{
//Saving committed entry (all previous are automatically committed)
List <byte[]> lstCommited = new List <byte[]>();
lock (inMem.Sync)
{
foreach (var el in inMem.SelectForwardFromTo(this.LastCommittedIndex + 1, applied.StateLogEntryTerm, true, ulong.MaxValue, applied.StateLogEntryTerm))
{
lstCommited.Add(el.Item3.Data);
}
}
//Removing entry from command queue
//t.RemoveKey<byte[]>(tblAppendLogEntry, new byte[] { 1 }.ToBytes(applied.StateLogEntryTerm, applied.StateLogEntryId));
this.leaderState.qDistribution.Remove(applied.StateLogEntryId);
}
this.LastCommittedIndex = applied.StateLogEntryId;
this.LastCommittedIndexTerm = applied.StateLogEntryTerm;
this.rn.logHandler.Commited();
return(eEntryAcceptanceResult.Committed);
}
return(eEntryAcceptanceResult.Accepted);
}
