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ReplicatorMessageSerializer.cs
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ReplicatorMessageSerializer.cs
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//-----------------------------------------------------------------------
// <copyright file="ReplicatorMessageSerializer.cs" company="Akka.NET Project">
// Copyright (C) 2009-2024 Lightbend Inc. <http://www.lightbend.com>
// Copyright (C) 2013-2024 .NET Foundation <https://github.com/akkadotnet/akka.net>
// </copyright>
//-----------------------------------------------------------------------
using Akka.DistributedData.Internal;
using Akka.Serialization;
using Akka.Util.Internal;
using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using Google.Protobuf;
using Google.Protobuf.Collections;
using Akka.DistributedData.Serialization.Proto.Msg;
using DataEnvelope = Akka.DistributedData.Internal.DataEnvelope;
using DeltaPropagation = Akka.DistributedData.Internal.DeltaPropagation;
using Gossip = Akka.DistributedData.Internal.Gossip;
using Read = Akka.DistributedData.Internal.Read;
using ReadResult = Akka.DistributedData.Internal.ReadResult;
using Status = Akka.DistributedData.Internal.Status;
using UniqueAddress = Akka.Cluster.UniqueAddress;
using Write = Akka.DistributedData.Internal.Write;
namespace Akka.DistributedData.Serialization
{
public sealed class ReplicatorMessageSerializer : SerializerWithStringManifest
{
#region internal classes
private sealed class SmallCache<TKey, TVal>
where TKey : class
where TVal : class
{
private readonly TimeSpan _ttl;
private readonly Func<TKey, TVal> _getOrAddFactory;
private readonly AtomicCounter _n = new(0);
private readonly int _mask;
private readonly KeyValuePair<TKey, TVal>[] _elements;
private DateTime _lastUsed;
public SmallCache(int capacity, TimeSpan ttl, Func<TKey, TVal> getOrAddFactory)
{
_mask = capacity - 1;
if ((capacity & _mask) != 0) throw new ArgumentException("Capacity must be power of 2 and less than or equal 32", nameof(capacity));
if (capacity > 32) throw new ArgumentException("Capacity must be less than or equal 32", nameof(capacity));
_ttl = ttl;
_getOrAddFactory = getOrAddFactory;
_elements = new KeyValuePair<TKey, TVal>[capacity];
_lastUsed = DateTime.UtcNow;
}
public TVal this[TKey key]
{
get { return Get(key, _n.Current); }
set { Add(key, value); }
}
/// <summary>
/// Add value under specified key. Overrides existing entry.
/// </summary>
public void Add(TKey key, TVal value) => Add(new KeyValuePair<TKey, TVal>(key, value));
/// <summary>
/// Add an entry to the cache. Overrides existing entry.
/// </summary>
public void Add(KeyValuePair<TKey, TVal> entry)
{
var i = _n.IncrementAndGet();
_elements[i & _mask] = entry;
_lastUsed = DateTime.UtcNow;
}
public TVal GetOrAdd(TKey key)
{
var position = _n.Current;
var c = Get(key, position);
if (!ReferenceEquals(c, null)) return c;
var b2 = _getOrAddFactory(key);
if (position == _n.Current)
{
// no change, add the new value
Add(key, b2);
return b2;
}
else
{
// some other thread added, try one more time
// to reduce duplicates
var c2 = Get(key, _n.Current);
if (!ReferenceEquals(c2, null)) return c2;
else
{
Add(key, b2);
return b2;
}
}
}
/// <summary>
/// Remove all elements if the if cache has not been used within <see cref="_ttl"/>.
/// </summary>
public void Evict()
{
if (DateTime.UtcNow - _lastUsed > _ttl)
{
_elements.Initialize();
}
}
private TVal Get(TKey key, int startIndex)
{
var end = startIndex + _elements.Length;
_lastUsed = DateTime.UtcNow;
var i = startIndex;
while (end - i == 0)
{
var x = _elements[i & _mask];
if (x.Key != key) i++;
else return x.Value;
}
return null;
}
}
#endregion
private const string GetManifest = "A";
private const string GetSuccessManifest = "B";
private const string NotFoundManifest = "C";
private const string GetFailureManifest = "D";
private const string SubscribeManifest = "E";
private const string UnsubscribeManifest = "F";
private const string ChangedManifest = "G";
private const string DataEnvelopeManifest = "H";
private const string WriteManifest = "I";
private const string WriteAckManifest = "J";
private const string ReadManifest = "K";
private const string ReadResultManifest = "L";
private const string StatusManifest = "M";
private const string GossipManifest = "N";
private const string WriteNackManifest = "O";
private const string DurableDataEnvelopeManifest = "P";
private const string DeltaPropagationManifest = "Q";
private const string DeltaNackManifest = "R";
private readonly SerializationSupport _ser;
private readonly SmallCache<Read, byte[]> _readCache;
private readonly SmallCache<Write, byte[]> _writeCache;
private readonly byte[] _empty = Array.Empty<byte>();
public ReplicatorMessageSerializer(Akka.Actor.ExtendedActorSystem system) : base(system)
{
_ser = new SerializationSupport(system);
var cacheTtl = system.Settings.Config.GetTimeSpan("akka.cluster.distributed-data.serializer-cache-time-to-live");
_readCache = new SmallCache<Read, byte[]>(4, cacheTtl, m => ReadToProto(m).ToByteArray());
_writeCache = new SmallCache<Write, byte[]>(4, cacheTtl, m => WriteToProto(m).ToByteArray());
system.Scheduler.Advanced.ScheduleRepeatedly(cacheTtl, new TimeSpan(cacheTtl.Ticks / 2), () =>
{
_readCache.Evict();
_writeCache.Evict();
});
}
public override string Manifest(object o)
{
switch (o)
{
case DataEnvelope _: return DataEnvelopeManifest;
case Write _: return WriteManifest;
case WriteAck _: return WriteAckManifest;
case Read _: return ReadManifest;
case ReadResult _: return ReadResultManifest;
case DeltaPropagation _: return DeltaPropagationManifest;
case Status _: return StatusManifest;
case Get _: return GetManifest;
case GetSuccess _: return GetSuccessManifest;
case Durable.DurableDataEnvelope _: return DurableDataEnvelopeManifest;
case Changed _: return ChangedManifest;
case NotFound _: return NotFoundManifest;
case GetFailure _: return GetFailureManifest;
case Subscribe _: return SubscribeManifest;
case Unsubscribe _: return UnsubscribeManifest;
case Gossip _: return GossipManifest;
case WriteNack _: return WriteNackManifest;
case DeltaNack _: return DeltaNackManifest;
default: throw new ArgumentException($"Can't serialize object of type [{o.GetType().FullName}] using [{GetType().FullName}]");
}
}
public override byte[] ToBinary(object obj)
{
switch (obj)
{
case DataEnvelope envelope: return DataEnvelopeToProto(envelope).ToByteArray();
case Write write: return _writeCache.GetOrAdd(write);
case WriteAck _: return _empty;
case Read read: return _readCache.GetOrAdd(read);
case ReadResult result: return ReadResultToProto(result).ToByteArray();
case DeltaPropagation propagation: return DeltaPropagationToProto(propagation).ToByteArray();
case Status status: return StatusToProto(status).ToByteArray();
case Get get: return GetToProto(get).ToByteArray();
case GetSuccess success: return GetSuccessToProto(success).ToByteArray();
case Durable.DurableDataEnvelope envelope: return DurableDataEnvelopeToProto(envelope).ToByteArray();
case Changed changed: return ChangedToProto(changed).ToByteArray();
case NotFound found: return NotFoundToProto(found).ToByteArray();
case GetFailure failure: return GetFailureToProto(failure).ToByteArray();
case Subscribe subscribe: return SubscribeToProto(subscribe).ToByteArray();
case Unsubscribe unsubscribe: return UnsubscribeToProto(unsubscribe).ToByteArray();
case Gossip gossip: return SerializationSupport.Compress(GossipToProto(gossip));
case WriteNack _: return _empty;
case DeltaNack _: return _empty;
default: throw new ArgumentException($"Can't serialize object of type [{obj.GetType().FullName}] using [{GetType().FullName}]");
}
}
private Proto.Msg.Gossip GossipToProto(Gossip gossip)
{
var proto = new Proto.Msg.Gossip
{
SendBack = gossip.SendBack
};
foreach (var entry in gossip.UpdatedData)
{
proto.Entries.Add(new Proto.Msg.Gossip.Types.Entry
{
Key = entry.Key,
Envelope = DataEnvelopeToProto(entry.Value)
});
}
if (gossip.ToSystemUid.HasValue)
{
proto.HasToSystemUid = true;
proto.ToSystemUid = gossip.ToSystemUid.Value;
}
if (gossip.FromSystemUid.HasValue)
{
proto.HasFromSystemUid = true;
proto.FromSystemUid = gossip.FromSystemUid.Value;
}
return proto;
}
private Proto.Msg.Unsubscribe UnsubscribeToProto(Unsubscribe unsubscribe)
{
return new Proto.Msg.Unsubscribe
{
Key = this.OtherMessageToProto(unsubscribe.Key),
Ref = Akka.Serialization.Serialization.SerializedActorPath(unsubscribe.Subscriber)
};
}
private OtherMessage OtherMessageToProto(object msg)
{
return _ser.OtherMessageToProto(msg);
}
private Proto.Msg.Subscribe SubscribeToProto(Subscribe msg)
{
return new Proto.Msg.Subscribe
{
Key = this.OtherMessageToProto(msg.Key),
Ref = Akka.Serialization.Serialization.SerializedActorPath(msg.Subscriber)
};
}
private Proto.Msg.GetFailure GetFailureToProto(GetFailure msg)
{
var proto = new Proto.Msg.GetFailure
{
Key = this.OtherMessageToProto(msg.Key)
};
if (!ReferenceEquals(null, msg.Request))
proto.Request = this.OtherMessageToProto(msg.Request);
return proto;
}
private Proto.Msg.NotFound NotFoundToProto(NotFound msg)
{
var proto = new Proto.Msg.NotFound
{
Key = this.OtherMessageToProto(msg.Key)
};
if (!ReferenceEquals(null, msg.Request))
proto.Request = this.OtherMessageToProto(msg.Request);
return proto;
}
private Proto.Msg.DurableDataEnvelope DurableDataEnvelopeToProto(Durable.DurableDataEnvelope msg)
{
var proto = new Proto.Msg.DurableDataEnvelope
{
Data = this.OtherMessageToProto(msg.Data)
};
// only keep the PruningPerformed entries
foreach (var p in msg.DataEnvelope.Pruning)
{
if (p.Value is PruningPerformed)
proto.Pruning.Add(PruningToProto(p.Key, p.Value));
}
return proto;
}
private Proto.Msg.DataEnvelope.Types.PruningEntry PruningToProto(UniqueAddress addr, IPruningState pruning)
{
var proto = new Proto.Msg.DataEnvelope.Types.PruningEntry
{
RemovedAddress = SerializationSupport.UniqueAddressToProto(addr)
};
switch (pruning)
{
case PruningPerformed performed:
proto.Performed = true;
proto.ObsoleteTime = performed.ObsoleteTime.Ticks;
break;
case PruningInitialized init:
proto.Performed = false;
proto.OwnerAddress = SerializationSupport.UniqueAddressToProto(init.Owner);
foreach (var address in init.Seen)
{
proto.Seen.Add(SerializationSupport.AddressToProto(address));
}
break;
}
return proto;
}
private Proto.Msg.Changed ChangedToProto(Changed msg)
{
return new Proto.Msg.Changed
{
Key = this.OtherMessageToProto(msg.Key),
Data = this.OtherMessageToProto(msg.Data)
};
}
private Proto.Msg.GetSuccess GetSuccessToProto(GetSuccess msg)
{
var proto = new Proto.Msg.GetSuccess
{
Key = this.OtherMessageToProto(msg.Key),
Data = this.OtherMessageToProto(msg.Data)
};
if (!ReferenceEquals(null, msg.Request))
proto.Request = OtherMessageToProto(msg.Request);
return proto;
}
private Proto.Msg.Get GetToProto(Get msg)
{
var timeoutInMilis = msg.Consistency.Timeout.TotalMilliseconds;
if (timeoutInMilis > 0XFFFFFFFFL)
throw new ArgumentOutOfRangeException("Timeouts must fit in a 32-bit unsigned int");
var proto = new Proto.Msg.Get
{
Key = this.OtherMessageToProto(msg.Key),
Timeout = (uint)timeoutInMilis
};
switch (msg.Consistency)
{
case ReadLocal _: proto.Consistency = 1; break;
case ReadFrom r: proto.Consistency = r.N; break;
case ReadMajority rm:
proto.Consistency = 0;
if (rm.MinCapacity != 0)
{
proto.ConsistencyMinCap = rm.MinCapacity;
proto.HasConsistencyMinCap = true;
}
break;
case ReadMajorityPlus rmp:
proto.Consistency = 0;
if (rmp.MinCapacity != 0)
{
proto.ConsistencyMinCap = rmp.MinCapacity;
proto.HasConsistencyMinCap = true;
}
if(rmp.Additional != 0)
{
proto.ConsistencyAdditional = rmp.Additional;
proto.HasConsistencyAdditional = true;
}
break;
case ReadAll _: proto.Consistency = -1; break;
}
if (!ReferenceEquals(null, msg.Request))
proto.Request = this.OtherMessageToProto(msg.Request);
return proto;
}
private Proto.Msg.Status StatusToProto(Status status)
{
var proto = new Proto.Msg.Status
{
Chunk = (uint)status.Chunk,
TotChunks = (uint)status.TotalChunks
};
foreach (var entry in status.Digests)
{
proto.Entries.Add(new Proto.Msg.Status.Types.Entry
{
Key = entry.Key,
Digest = ByteString.CopyFrom(entry.Value.ToByteArray())
});
}
if(status.ToSystemUid.HasValue)
{
proto.HasToSystemUid = true;
proto.ToSystemUid = status.ToSystemUid.Value;
}
if(status.FromSystemUid.HasValue)
{
proto.HasFromSystemUid = true;
proto.FromSystemUid = status.FromSystemUid.Value;
}
return proto;
}
private Proto.Msg.DeltaPropagation DeltaPropagationToProto(DeltaPropagation msg)
{
var proto = new Proto.Msg.DeltaPropagation
{
FromNode = SerializationSupport.UniqueAddressToProto(msg.FromNode)
};
if (msg.ShouldReply)
proto.Reply = msg.ShouldReply;
foreach (var entry in msg.Deltas)
{
var d = entry.Value;
var delta = new Proto.Msg.DeltaPropagation.Types.Entry
{
Key = entry.Key,
FromSeqNr = d.FromSeqNr,
Envelope = DataEnvelopeToProto(d.DataEnvelope)
};
if (d.ToSeqNr != d.FromSeqNr)
delta.ToSeqNr = d.ToSeqNr;
proto.Entries.Add(delta);
}
return proto;
}
private Proto.Msg.ReadResult ReadResultToProto(ReadResult msg)
{
var proto = new Proto.Msg.ReadResult();
if (msg.Envelope != null)
proto.Envelope = DataEnvelopeToProto(msg.Envelope);
return proto;
}
private Proto.Msg.DataEnvelope DataEnvelopeToProto(DataEnvelope msg)
{
var proto = new Proto.Msg.DataEnvelope
{
Data = this.OtherMessageToProto(msg.Data)
};
foreach (var entry in msg.Pruning)
proto.Pruning.Add(PruningToProto(entry.Key, entry.Value));
if (!msg.DeltaVersions.IsEmpty)
proto.DeltaVersions = SerializationSupport.VersionVectorToProto(msg.DeltaVersions);
return proto;
}
private Proto.Msg.Write WriteToProto(Write write)
{
var proto = new Proto.Msg.Write
{
Key = write.Key,
Envelope = DataEnvelopeToProto(write.Envelope),
};
if(!(write.FromNode is null))
proto.FromNode = SerializationSupport.UniqueAddressToProto(write.FromNode);
return proto;
}
private Proto.Msg.Read ReadToProto(Read read)
{
var proto = new Proto.Msg.Read
{
Key = read.Key
};
if(!(read.FromNode is null))
proto.FromNode = SerializationSupport.UniqueAddressToProto(read.FromNode);
return proto;
}
public override object FromBinary(byte[] bytes, string manifest)
{
switch (manifest)
{
case DataEnvelopeManifest: return DataEnvelopeFromBinary(bytes);
case WriteManifest: return WriteFromBinary(bytes);
case WriteAckManifest: return WriteAck.Instance;
case ReadManifest: return ReadFromBinary(bytes);
case ReadResultManifest: return ReadResultFromBinary(bytes);
case DeltaPropagationManifest: return DeltaPropagationFromBinary(bytes);
case StatusManifest: return StatusFromBinary(bytes);
case GetManifest: return GetFromBinary(bytes);
case GetSuccessManifest: return GetSuccessFromBinary(bytes);
case DurableDataEnvelopeManifest: return DurableDataEnvelopeFromBinary(bytes);
case ChangedManifest: return ChangedFromBinary(bytes);
case NotFoundManifest: return NotFoundFromBinary(bytes);
case GetFailureManifest: return GetFailureFromBinary(bytes);
case SubscribeManifest: return SubscribeFromBinary(bytes);
case UnsubscribeManifest: return UnsubscribeFromBinary(bytes);
case GossipManifest: return GossipFromBinary(SerializationSupport.Decompress(bytes));
case WriteNackManifest: return WriteNack.Instance;
case DeltaNackManifest: return DeltaNack.Instance;
default: throw new ArgumentException($"Unimplemented deserialization of message with manifest '{manifest}' using [{GetType().FullName}]");
}
}
private Gossip GossipFromBinary(byte[] bytes)
{
var proto = Proto.Msg.Gossip.Parser.ParseFrom(bytes);
var builder = ImmutableDictionary<string, DataEnvelope>.Empty.ToBuilder();
foreach (var entry in proto.Entries)
{
builder.Add(entry.Key, DataEnvelopeFromProto(entry.Envelope));
}
return new Gossip(
builder.ToImmutable(),
proto.SendBack,
proto.HasToSystemUid ? (long?)proto.ToSystemUid : null,
proto.HasFromSystemUid ? (long?)proto.FromSystemUid : null);
}
private DataEnvelope DataEnvelopeFromProto(Proto.Msg.DataEnvelope proto)
{
var data = (IReplicatedData)_ser.OtherMessageFromProto(proto.Data);
var pruning = PruningFromProto(proto.Pruning);
var vvector =
proto.DeltaVersions != null
? _ser.VersionVectorFromProto(proto.DeltaVersions)
: VersionVector.Empty;
return new DataEnvelope(data, pruning, vvector);
}
private ImmutableDictionary<UniqueAddress, IPruningState> PruningFromProto(RepeatedField<Proto.Msg.DataEnvelope.Types.PruningEntry> pruning)
{
if (pruning.Count == 0)
{
return ImmutableDictionary<UniqueAddress, IPruningState>.Empty;
}
else
{
var builder = ImmutableDictionary<UniqueAddress, IPruningState>.Empty.ToBuilder();
foreach (var entry in pruning)
{
var removed = _ser.UniqueAddressFromProto(entry.RemovedAddress);
if (entry.Performed)
{
builder.Add(removed, new PruningPerformed(new DateTime(entry.ObsoleteTime)));
}
else
{
var seen = new Actor.Address[entry.Seen.Count];
var i = 0;
foreach (var s in entry.Seen)
{
seen[i] = _ser.AddressFromProto(s);
i++;
}
builder.Add(removed, new PruningInitialized(_ser.UniqueAddressFromProto(entry.OwnerAddress), seen));
}
}
return builder.ToImmutable();
}
}
private Unsubscribe UnsubscribeFromBinary(byte[] bytes)
{
var proto = Proto.Msg.Unsubscribe.Parser.ParseFrom(bytes);
var actorRef = system.Provider.ResolveActorRef(proto.Ref);
var key = (IKey)_ser.OtherMessageFromProto(proto.Key);
return new Unsubscribe(key, actorRef);
}
private Subscribe SubscribeFromBinary(byte[] bytes)
{
var proto = Proto.Msg.Subscribe.Parser.ParseFrom(bytes);
var actorRef = system.Provider.ResolveActorRef(proto.Ref);
var key = (IKey)_ser.OtherMessageFromProto(proto.Key);
return new Subscribe(key, actorRef);
}
private GetFailure GetFailureFromBinary(byte[] bytes)
{
var proto = Proto.Msg.GetFailure.Parser.ParseFrom(bytes);
var request = proto.Request != null ? _ser.OtherMessageFromProto(proto.Request) : null;
var key = (IKey)_ser.OtherMessageFromProto(proto.Key);
return new GetFailure(key, request);
}
private NotFound NotFoundFromBinary(byte[] bytes)
{
var proto = Proto.Msg.NotFound.Parser.ParseFrom(bytes);
var request = proto.Request != null ? _ser.OtherMessageFromProto(proto.Request) : null;
var key = (IKey)_ser.OtherMessageFromProto(proto.Key);
return new NotFound(key, request);
}
private Changed ChangedFromBinary(byte[] bytes)
{
var proto = Proto.Msg.Changed.Parser.ParseFrom(bytes);
var data = _ser.OtherMessageFromProto(proto.Data);
var key = (IKey)_ser.OtherMessageFromProto(proto.Key);
return new Changed(key, data);
}
private Durable.DurableDataEnvelope DurableDataEnvelopeFromBinary(byte[] bytes)
{
var proto = Proto.Msg.DurableDataEnvelope.Parser.ParseFrom(bytes);
var data = (IReplicatedData)_ser.OtherMessageFromProto(proto.Data);
var pruning = PruningFromProto(proto.Pruning);
return new Durable.DurableDataEnvelope(new DataEnvelope(data, pruning));
}
private GetSuccess GetSuccessFromBinary(byte[] bytes)
{
var proto = Proto.Msg.GetSuccess.Parser.ParseFrom(bytes);
var key = (IKey)_ser.OtherMessageFromProto(proto.Key);
var data = (IReplicatedData)_ser.OtherMessageFromProto(proto.Data);
var request = proto.Request != null
? _ser.OtherMessageFromProto(proto.Request)
: null;
return new GetSuccess(key, request, data);
}
private ReadResult ReadResultFromBinary(byte[] bytes)
{
var proto = Proto.Msg.ReadResult.Parser.ParseFrom(bytes);
var envelope = proto.Envelope != null
? DataEnvelopeFromProto(proto.Envelope)
: null;
return new ReadResult(envelope);
}
private Get GetFromBinary(byte[] bytes)
{
var proto = Proto.Msg.Get.Parser.ParseFrom(bytes);
var key = (IKey)_ser.OtherMessageFromProto(proto.Key);
var request = proto.Request != null ? _ser.OtherMessageFromProto(proto.Request) : null;
var timeout = new TimeSpan(proto.Timeout * TimeSpan.TicksPerMillisecond);
var minCap = proto.HasConsistencyMinCap ? proto.ConsistencyMinCap : 0;
IReadConsistency consistency;
switch (proto.Consistency)
{
case 0:
if (proto.HasConsistencyAdditional)
consistency = new ReadMajorityPlus(timeout, proto.ConsistencyAdditional, minCap);
else
consistency = new ReadMajority(timeout, minCap);
break;
case -1: consistency = new ReadAll(timeout); break;
case 1: consistency = ReadLocal.Instance; break;
default: consistency = new ReadFrom(proto.Consistency, timeout); break;
}
return new Get(key, consistency, request);
}
private Status StatusFromBinary(byte[] bytes)
{
var proto = Proto.Msg.Status.Parser.ParseFrom(bytes);
var builder = ImmutableDictionary<string, ByteString>.Empty.ToBuilder();
foreach (var entry in proto.Entries)
{
builder.Add(entry.Key, entry.Digest);
}
return new Status(
builder.ToImmutable(),
(int)proto.Chunk,
(int)proto.TotChunks,
proto.HasToSystemUid ? (long?)proto.ToSystemUid : null,
proto.HasFromSystemUid ? (long?)proto.FromSystemUid : null);
}
private DeltaPropagation DeltaPropagationFromBinary(byte[] bytes)
{
var proto = Proto.Msg.DeltaPropagation.Parser.ParseFrom(bytes);
var reply = proto.Reply;
var fromNode = _ser.UniqueAddressFromProto(proto.FromNode);
var builder = ImmutableDictionary<string, Delta>.Empty.ToBuilder();
foreach (var entry in proto.Entries)
{
var fromSeqNr = entry.FromSeqNr;
var toSeqNr = entry.ToSeqNr == default(long) ? fromSeqNr : entry.ToSeqNr;
builder.Add(entry.Key, new Delta(DataEnvelopeFromProto(entry.Envelope), fromSeqNr, toSeqNr));
}
return new DeltaPropagation(fromNode, reply, builder.ToImmutable());
}
private Read ReadFromBinary(byte[] bytes)
{
var proto = Proto.Msg.Read.Parser.ParseFrom(bytes);
var fromNode = proto.FromNode != null ? _ser.UniqueAddressFromProto(proto.FromNode) : null;
return new Read(proto.Key, fromNode);
}
private Write WriteFromBinary(byte[] bytes)
{
var proto = Proto.Msg.Write.Parser.ParseFrom(bytes);
var fromNode = proto.FromNode != null ? _ser.UniqueAddressFromProto(proto.FromNode) : null;
return new Write(proto.Key, DataEnvelopeFromProto(proto.Envelope), fromNode);
}
private DataEnvelope DataEnvelopeFromBinary(byte[] bytes)
{
var proto = Proto.Msg.DataEnvelope.Parser.ParseFrom(bytes);
return DataEnvelopeFromProto(proto);
}
}
}