internal static ImmutableList <ReachableMember> DiffReachable(Gossip oldGossip, Gossip newGossip)
{
if (newGossip.Equals(oldGossip))
{
return(ImmutableList.Create <ReachableMember>());
}
return
(oldGossip.Overview.Reachability.AllUnreachable
.Where(a => newGossip.HasMember(a) && newGossip.Overview.Reachability.IsReachable(a))
.Select(a => new ReachableMember(newGossip.GetMember(a)))
.ToImmutableList());
}
/// <summary>
/// TBD
/// </summary>
/// <param name="oldGossip">TBD</param>
/// <param name="newGossip">TBD</param>
/// <param name="selfUniqueAddress">TBD</param>
/// <returns>TBD</returns>
internal static ImmutableList <ReachableMember> DiffReachable(Gossip oldGossip, Gossip newGossip, UniqueAddress selfUniqueAddress)
{
if (newGossip.Equals(oldGossip))
{
return(ImmutableList <ReachableMember> .Empty);
}
return(oldGossip.Overview.Reachability.AllUnreachable
.Where(node => newGossip.HasMember(node) && newGossip.Overview.Reachability.IsReachable(node) && !node.Equals(selfUniqueAddress))
.Select(node => new ReachableMember(newGossip.GetMember(node)))
.ToImmutableList());
}
/// <summary>
/// TBD
/// </summary>
/// <param name="oldGossip">TBD</param>
/// <param name="newGossip">TBD</param>
/// <param name="selfUniqueAddress">TBD</param>
/// <returns>TBD</returns>
internal static ImmutableList<UnreachableMember> DiffUnreachable(Gossip oldGossip, Gossip newGossip, UniqueAddress selfUniqueAddress)
{
if (newGossip.Equals(oldGossip))
{
return ImmutableList<UnreachableMember>.Empty;
}
var oldUnreachableNodes = oldGossip.Overview.Reachability.AllUnreachableOrTerminated;
return newGossip.Overview.Reachability.AllUnreachableOrTerminated
.Where(node => !oldUnreachableNodes.Contains(node) && !node.Equals(selfUniqueAddress))
.Select(node => new UnreachableMember(newGossip.GetMember(node)))
.ToImmutableList();
}
internal static ImmutableList <UnreachableMember> DiffUnreachable(Gossip oldGossip, Gossip newGossip)
{
if (newGossip.Equals(oldGossip))
{
return(ImmutableList.Create <UnreachableMember>());
}
var oldUnreachableNodes = oldGossip.Overview.Reachability.AllUnreachableOrTerminated;
return
(newGossip.Overview.Reachability.AllUnreachableOrTerminated
.Where(a => !oldUnreachableNodes.Contains(a))
.Select(a => new UnreachableMember(newGossip.GetMember(a)))
.ToImmutableList());
}
/// <summary>
/// TBD
/// </summary>
/// <param name="oldGossip">TBD</param>
/// <param name="newGossip">TBD</param>
/// <param name="selfUniqueAddress">TBD</param>
/// <returns>TBD</returns>
internal static ImmutableList<SeenChanged> DiffSeen(Gossip oldGossip, Gossip newGossip, UniqueAddress selfUniqueAddress)
{
if (newGossip.Equals(oldGossip))
{
return ImmutableList<SeenChanged>.Empty;
}
var newConvergence = newGossip.Convergence(selfUniqueAddress, EmptySet);
var newSeenBy = newGossip.SeenBy;
if (!newConvergence.Equals(oldGossip.Convergence(selfUniqueAddress, EmptySet)) || !newSeenBy.SequenceEqual(oldGossip.SeenBy))
{
return ImmutableList.Create(new SeenChanged(newConvergence, newSeenBy.Select(s => s.Address).ToImmutableHashSet()));
}
return ImmutableList<SeenChanged>.Empty;
}
internal static ImmutableList <SeenChanged> DiffSeen(Gossip oldGossip, Gossip newGossip, UniqueAddress selfUniqueAddres)
{
if (newGossip.Equals(oldGossip))
{
return(ImmutableList.Create <SeenChanged>());
}
var newConvergence = newGossip.Convergence(selfUniqueAddres);
var newSeenBy = newGossip.SeenBy;
if (newConvergence != oldGossip.Convergence(selfUniqueAddres) || newSeenBy != oldGossip.SeenBy)
{
return(ImmutableList.Create(new SeenChanged(newConvergence,
newSeenBy.Select(s => s.Address).ToImmutableHashSet())));
}
return(ImmutableList.Create <SeenChanged>());
}
internal static ImmutableList <IMemberEvent> DiffMemberEvents(Gossip oldGossip, Gossip newGossip)
{
if (newGossip.Equals(oldGossip))
{
return(ImmutableList.Create <IMemberEvent>());
}
var newMembers = newGossip.Members.Except(oldGossip.Members);
var membersGroupedByAddress = newGossip.Members
.Concat(oldGossip.Members)
.GroupBy(m => m.UniqueAddress);
var changedMembers = membersGroupedByAddress
.Where(g => g.Count() == 2 && g.First().Status != g.Skip(1).First().Status)
.Select(g => g.First());
var memberEvents = CollectMemberEvents(newMembers.Union(changedMembers));
var removedMembers = oldGossip.Members.Except(newGossip.Members);
var removedEvents = removedMembers.Select(m => new MemberRemoved(m.Copy(status: MemberStatus.Removed), m.Status));
return(memberEvents.Concat(removedEvents).ToImmutableList());
}
private bool Equals(MetricsGossipEnvelope other)
{
return(From.Equals(other.From) && Gossip.Equals(other.Gossip) && Reply.Equals(other.Reply));
}
internal static ImmutableList<SeenChanged> DiffSeen(Gossip oldGossip, Gossip newGossip, UniqueAddress selfUniqueAddres)
{
if (newGossip.Equals(oldGossip))
return ImmutableList.Create<SeenChanged>();
var newConvergence = newGossip.Convergence(selfUniqueAddres);
var newSeenBy = newGossip.SeenBy;
if (newConvergence != oldGossip.Convergence(selfUniqueAddres) || newSeenBy != oldGossip.SeenBy)
return ImmutableList.Create(new SeenChanged(newConvergence,
newSeenBy.Select(s => s.Address).ToImmutableHashSet()));
return ImmutableList.Create<SeenChanged>();
}
internal static ImmutableList<IMemberEvent> DiffMemberEvents(Gossip oldGossip, Gossip newGossip)
{
if (newGossip.Equals(oldGossip)) return ImmutableList.Create<IMemberEvent>();
var newMembers = newGossip.Members.Except(oldGossip.Members);
var membersGroupedByAddress = newGossip.Members
.Concat(oldGossip.Members)
.GroupBy(m => m.UniqueAddress);
var changedMembers = membersGroupedByAddress
.Where(g => g.Count() == 2 && g.First().Status != g.Skip(1).First().Status)
.Select(g => g.First());
var memberEvents = CollectMemberEvents(newMembers.Union(changedMembers));
var removedMembers = oldGossip.Members.Except(newGossip.Members);
var removedEvents = removedMembers.Select(m => new MemberRemoved(m.Copy(status: MemberStatus.Removed), m.Status));
return memberEvents.Concat(removedEvents).ToImmutableList();
}
internal static ImmutableList<ReachableMember> DiffReachable(Gossip oldGossip, Gossip newGossip)
{
if (newGossip.Equals(oldGossip)) return ImmutableList.Create<ReachableMember>();
return
oldGossip.Overview.Reachability.AllUnreachable
.Where(a => newGossip.HasMember(a) && newGossip.Overview.Reachability.IsReachable(a))
.Select(a => new ReachableMember(newGossip.GetMember(a)))
.ToImmutableList();
}
internal static ImmutableList<UnreachableMember> DiffUnreachable(Gossip oldGossip, Gossip newGossip)
{
if (newGossip.Equals(oldGossip)) return ImmutableList.Create<UnreachableMember>();
var oldUnreachableNodes = oldGossip.Overview.Reachability.AllUnreachableOrTerminated;
return
newGossip.Overview.Reachability.AllUnreachableOrTerminated
.Where(a => !oldUnreachableNodes.Contains(a))
.Select(a => new UnreachableMember(newGossip.GetMember(a)))
.ToImmutableList();
}