public void CanProperlySnapshot()
{
using (var state = new PersistentState("self", StorageEnvironmentOptions.CreateMemoryOnly(), CancellationToken.None)
{
CommandSerializer = new JsonCommandSerializer()
})
{
state.UpdateTermTo(null, 1);
state.AppendToLeaderLog(new NopCommand());
for (int i = 0; i < 5; i++)
{
state.AppendToLeaderLog(new DictionaryCommand.Set
{
Key = i.ToString(),
Value = i
});
}
state.MarkSnapshotFor(6, 1, 5);
state.AppendToLeaderLog(new DictionaryCommand.Set
{
Key = "1",
Value = 4
});
var lastLogEntry = state.LastLogEntry();
Assert.Equal(7, lastLogEntry.Index);
}
}
internal bool LogIsUpToDate(long lastLogTerm, long lastLogIndex)
{
// Raft paper 5.4.1
var lastLogEntry = PersistentState.LastLogEntry();
if (lastLogEntry.Term < lastLogTerm)
{
return(true);
}
return(lastLogEntry.Index <= lastLogIndex);
}
