public void CanGetClientForEndpoint()
{
var sut = new EventStoreClusterClientCache(new FakePublisher(), EventStoreClusterClientFactory);
var client = sut.Get(new IPEndPoint(IPAddress.Loopback, 1113));
Assert.AreEqual(client, sut.Get(new IPEndPoint(IPAddress.Loopback, 1113)));
}
public void Handle(GrpcMessage.SendOverGrpc message)
{
switch (message.Message)
{
case GossipMessage.SendGossip sendGossip:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendGossip(sendGossip, message.DestinationEndpoint, message.LiveUntil);
break;
case GossipMessage.GetGossip _:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.GetGossip(message.DestinationEndpoint, message.LiveUntil);
break;
case ElectionMessage.ViewChange viewChange:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendViewChange(viewChange, message.DestinationEndpoint, message.LiveUntil);
break;
case ElectionMessage.ViewChangeProof proof:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendViewChangeProof(proof, message.DestinationEndpoint, message.LiveUntil);
break;
case ElectionMessage.Prepare prepare:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendPrepare(prepare, message.DestinationEndpoint, message.LiveUntil);
break;
case ElectionMessage.PrepareOk prepareOk:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendPrepareOk(prepareOk, message.DestinationEndpoint, message.LiveUntil);
break;
case ElectionMessage.Proposal proposal:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendProposal(proposal, message.DestinationEndpoint, message.LiveUntil);
break;
case ElectionMessage.Accept accept:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendAccept(accept, message.DestinationEndpoint, message.LiveUntil);
break;
case ElectionMessage.LeaderIsResigning resigning:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendLeaderIsResigning(resigning, message.DestinationEndpoint, message.LiveUntil);
break;
case ElectionMessage.LeaderIsResigningOk resigningOk:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendLeaderIsResigningOk(resigningOk, message.DestinationEndpoint, message.LiveUntil);
break;
default:
throw new NotImplementedException($"Message of type {message.Message.GetType().Name} cannot be handled.");
}
}
public async Task CleansCacheOnThreshold()
{
var interval = TimeSpan.FromMinutes(30);
var oldItemThreshold = TimeSpan.FromMilliseconds(500);
var sut = new EventStoreClusterClientCache(new FakePublisher(), EventStoreClusterClientFactory, interval,
oldItemThreshold);
var oldClient = sut.Get(new IPEndPoint(IPAddress.Loopback, 1113));
sut.Handle(new ClusterClientMessage.CleanCache());
await Task.Delay(oldItemThreshold.Add(TimeSpan.FromMilliseconds(500)));
var newClient = sut.Get(new IPEndPoint(IPAddress.Loopback, 1113));
newClient = sut.Get(new IPEndPoint(IPAddress.Loopback, 1113));
Assert.AreNotEqual(oldClient, newClient);
}
public async Task ShouldDisposeClientOnceEvictedFromCache()
{
var interval = TimeSpan.FromMinutes(30);
var oldItemThreshold = TimeSpan.FromMilliseconds(500);
var sut = new EventStoreClusterClientCache(new FakePublisher(), EventStoreClusterClientFactory, interval,
oldItemThreshold);
var client = sut.Get(new IPEndPoint(IPAddress.Loopback, 1113));
Assert.NotNull(client);
await Task.Delay(oldItemThreshold.Add(TimeSpan.FromMilliseconds(500)));
sut.Handle(new ClusterClientMessage.CleanCache());
// Give the cache enough time to dispose the client
await Task.Delay(oldItemThreshold);
Assert.True(client.Disposed);
}
public void Handle(GrpcMessage.SendOverGrpc message)
{
if (message.LiveUntil < DateTime.Now)
{
Log.Verbose("Dropping gRPC send message due to TTL being over. {messageType} To : {endPoint}",
message.Message.GetType().Name, message.DestinationEndpoint);
return;
}
switch (message.Message)
{
case GossipMessage.SendGossip sendGossip:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendGossip(sendGossip, message.DestinationEndpoint, message.LiveUntil);
break;
case GossipMessage.GetGossip _:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.GetGossip(message.DestinationEndpoint, message.LiveUntil);
break;
case ElectionMessage.ViewChange viewChange:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendViewChange(viewChange, message.DestinationEndpoint, message.LiveUntil);
break;
case ElectionMessage.ViewChangeProof proof:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendViewChangeProof(proof, message.DestinationEndpoint, message.LiveUntil);
break;
case ElectionMessage.Prepare prepare:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendPrepare(prepare, message.DestinationEndpoint, message.LiveUntil);
break;
case ElectionMessage.PrepareOk prepareOk:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendPrepareOk(prepareOk, message.DestinationEndpoint, message.LiveUntil);
break;
case ElectionMessage.Proposal proposal:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendProposal(proposal, message.DestinationEndpoint, message.LiveUntil);
break;
case ElectionMessage.Accept accept:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendAccept(accept, message.DestinationEndpoint, message.LiveUntil);
break;
case ElectionMessage.LeaderIsResigning resigning:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendLeaderIsResigning(resigning, message.DestinationEndpoint, message.LiveUntil);
break;
case ElectionMessage.LeaderIsResigningOk resigningOk:
_eventStoreClientCache.Get(message.DestinationEndpoint)
.SendLeaderIsResigningOk(resigningOk, message.DestinationEndpoint, message.LiveUntil);
break;
default:
throw new NotImplementedException($"Message of type {message.Message.GetType().Name} cannot be handled.");
}
}