public LmdbPersisterTests()
{
_directory = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
_persister = new LmdbPersister(_directory);
_writer = new StreamWriter(new FileStream($"trace_{_correlationId}.log", FileMode.OpenOrCreate))
{
AutoFlush = true
};
if (OutputTraceLog)
{
TheTrace.Tracer = (level, s, os) =>
{
lock (_lock)
{
var message = $"{DateTime.Now.ToString("yyyy-MM-dd:HH-mm-ss.fff")}\t{_correlationId}\t{level}\t{(os.Length == 0 ? s : string.Format(s, os))}";
try
{
_writer.WriteLine(message);
}
catch
{
}
}
};
}
}
public void StateStoreAndRetrieveWorksLikeACharm()
{
var state = new PersistentState()
{
CurrentTerm = 42L
};
_persister.Save(state);
var persister = new LmdbPersister(_directory);
var st2 = persister.Load();
Assert.Equal(state.CurrentTerm, st2.CurrentTerm);
Assert.Equal(state.Id, st2.Id);
Assert.Equal(state.LastVotedForId, st2.LastVotedForId);
persister.Dispose();
}
public DefaultRaftServerTests(ITestOutputHelper output)
{
_output = output;
_settings = new RaftServerSettings();
_settings.ElectionTimeoutMin = _settings.ElectionTimeoutMax = _settings.CandidacyTimeout = TimeSpan.FromMilliseconds(200);
_directory = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString());
_sister = new LmdbPersister(_directory);
_manijer = new Mock <IPeerManager>();
_maqina = new Mock <IStateMachine>();
_mockPeer = new Mock <IRaftServer>();
_writer = new StreamWriter(new FileStream($"trace_{_correlationId}.log", FileMode.OpenOrCreate))
{
AutoFlush = true
};
TheTrace.Tracer = (level, s, os) =>
{
lock (_lock)
{
var message = $"{DateTime.Now.ToString("yyyy-MM-dd:HH-mm-ss.fff")}\t{_correlationId}\t{level}\t{(os.Length == 0 ? s : string.Format(s, os))}";
try
{
if (OutputTraceLog)
{
_writer.WriteLine(message);
}
if (ConsoleTraceLog)
{
_output.WriteLine(message);
}
}
catch
{
}
}
};
}
private void SetupNodes()
{
foreach (var address in _addresses)
{
TheTrace.TraceInformation($"Setting up {address} ({_peers[address].ShortName}) {_peers[address].Id}");
var lp = new LmdbPersister(_folders[address], seedId: _peers[address].Id)
{
Name = _peers[address].ShortName
};
var peers = _peers.Where(x => x.Key != address).Select(x => x.Value).ToArray();
foreach (var p in peers)
{
TheTrace.TraceInformation($"{p.Address} - ({p.ShortName}) {p.Id}");
}
TheTrace.TraceInformation("___________________________________________________________________________");
var peerManager = new PeerManager(peers, _nodes);
var node = new DefaultRaftServer(lp, lp, lp,
new SimpleDictionaryStateMachine(), peerManager, _settings, _peers[address], chaos:
new SimpleChaos(TimeSpan.FromMilliseconds(200), exceptionProbability: 0.0));
_nodes.Add(address, node);
}
}
