private static Gossip GossipFrom(Proto.Msg.Gossip gossip)
{
var addressMapping = gossip.AllAddresses.Select(UniqueAddressFrom).ToList();
var roleMapping = gossip.AllRoles.ToList();
var hashMapping = gossip.AllHashes.ToList();
Member MemberFromProto(Proto.Msg.Member member) =>
Member.Create(
addressMapping[member.AddressIndex],
member.UpNumber,
(MemberStatus)member.Status,
member.RolesIndexes.Select(x => roleMapping[x]).ToImmutableHashSet());
var members = gossip.Members.Select((Func <Proto.Msg.Member, Member>)MemberFromProto).ToImmutableSortedSet(Member.Ordering);
var reachability = ReachabilityFromProto(gossip.Overview.ObserverReachability, addressMapping);
var seen = gossip.Overview.Seen.Select(x => addressMapping[x]).ToImmutableHashSet();
var overview = new GossipOverview(seen, reachability);
return(new Gossip(members, overview, VectorClockFrom(gossip.Version, hashMapping)));
}
private Gossip GossipFromProto(Msg.Gossip gossip)
{
var addressMapping = gossip.AllAddressesList.Select(UniqueAddressFromProto).ToList();
var roleMapping = gossip.AllRolesList.ToList();
var hashMapping = gossip.AllHashesList.ToList();
Func <IEnumerable <Msg.ObserverReachability>, Reachability> reachabilityFromProto = reachabilityProto =>
{
var recordBuilder = ImmutableList.CreateBuilder <Reachability.Record>();
var versionsBuilder = ImmutableDictionary.CreateBuilder <UniqueAddress, long>();
foreach (var o in reachabilityProto)
{
var observer = addressMapping[o.AddressIndex];
versionsBuilder.Add(observer, o.Version);
foreach (var s in o.SubjectReachabilityList)
{
var subject = addressMapping[s.AddressIndex];
var record = new Reachability.Record(observer, subject, ReachabilityStatusFromProto[s.Status],
s.Version);
recordBuilder.Add(record);
}
}
return(new Reachability(recordBuilder.ToImmutable(), versionsBuilder.ToImmutable()));
};
Func <Msg.Member, Member> memberFromProto = member => Member.Create(addressMapping[member.AddressIndex], member.HasUpNumber ? member.UpNumber : 0, MemberStatusFromProto[member.Status],
member.RolesIndexesList.Select(x => roleMapping[x]).ToImmutableHashSet());
var members = gossip.MembersList.Select(memberFromProto).ToImmutableSortedSet(Member.Ordering);
var reachability = reachabilityFromProto(gossip.Overview.ObserverReachabilityList);
var seen = gossip.Overview.SeenList.Select(x => addressMapping[x]).ToImmutableHashSet();
var overview = new GossipOverview(seen, reachability);
return(new Gossip(members, overview, VectorClockFromProto(gossip.Version, hashMapping)));
}
