//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void shouldSendCompactionInfoIfFailureWithNoEarlierEntries() throws Exception
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
public virtual void ShouldSendCompactionInfoIfFailureWithNoEarlierEntries()
{
// given
Leader leader = new Leader();
long term = 1;
long leaderPrevIndex = 3;
long followerIndex = leaderPrevIndex - 1;
InMemoryRaftLog raftLog = new InMemoryRaftLog();
raftLog.Skip(leaderPrevIndex, term);
RaftState state = raftState().term(term).entryLog(raftLog).build();
Org.Neo4j.causalclustering.core.consensus.RaftMessages_AppendEntries_Response incomingResponse = appendEntriesResponse().failure().term(term).appendIndex(followerIndex).from(_member1).build();
// when
Outcome outcome = leader.Handle(incomingResponse, state, Log());
// then
Org.Neo4j.causalclustering.core.consensus.RaftMessages_RaftMessage outgoingMessage = messageFor(outcome, _member1);
assertThat(outgoingMessage, instanceOf(typeof(Org.Neo4j.causalclustering.core.consensus.RaftMessages_LogCompactionInfo)));
Org.Neo4j.causalclustering.core.consensus.RaftMessages_LogCompactionInfo typedOutgoingMessage = (Org.Neo4j.causalclustering.core.consensus.RaftMessages_LogCompactionInfo)outgoingMessage;
assertThat(typedOutgoingMessage.PrevIndex(), equalTo(leaderPrevIndex));
}
public override Outcome Handle(Org.Neo4j.causalclustering.core.consensus.RaftMessages_LogCompactionInfo logCompactionInfo)
{
return(Outcome);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public void decode(io.netty.channel.ChannelHandlerContext ctx, io.netty.buffer.ByteBuf buffer, java.util.List<Object> list) throws Exception
public override void Decode(ChannelHandlerContext ctx, ByteBuf buffer, IList <object> list)
{
ReadableChannel channel = new NetworkReadableClosableChannelNetty4(buffer);
ClusterId clusterId = ClusterId.Marshal.INSTANCE.unmarshal(channel);
int messageTypeWire = channel.Int;
Org.Neo4j.causalclustering.core.consensus.RaftMessages_Type[] values = Enum.GetValues(typeof(Org.Neo4j.causalclustering.core.consensus.RaftMessages_Type));
Org.Neo4j.causalclustering.core.consensus.RaftMessages_Type messageType = values[messageTypeWire];
MemberId from = RetrieveMember(channel);
Org.Neo4j.causalclustering.core.consensus.RaftMessages_RaftMessage result;
if (messageType.Equals(VOTE_REQUEST))
{
MemberId candidate = RetrieveMember(channel);
long term = channel.Long;
long lastLogIndex = channel.Long;
long lastLogTerm = channel.Long;
result = new Org.Neo4j.causalclustering.core.consensus.RaftMessages_Vote_Request(from, term, candidate, lastLogIndex, lastLogTerm);
}
else if (messageType.Equals(VOTE_RESPONSE))
{
long term = channel.Long;
bool voteGranted = channel.Get() == 1;
result = new Org.Neo4j.causalclustering.core.consensus.RaftMessages_Vote_Response(from, term, voteGranted);
}
else if (messageType.Equals(PRE_VOTE_REQUEST))
{
MemberId candidate = RetrieveMember(channel);
long term = channel.Long;
long lastLogIndex = channel.Long;
long lastLogTerm = channel.Long;
result = new Org.Neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request(from, term, candidate, lastLogIndex, lastLogTerm);
}
else if (messageType.Equals(PRE_VOTE_RESPONSE))
{
long term = channel.Long;
bool voteGranted = channel.Get() == 1;
result = new Org.Neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Response(from, term, voteGranted);
}
else if (messageType.Equals(APPEND_ENTRIES_REQUEST))
{
// how many
long term = channel.Long;
long prevLogIndex = channel.Long;
long prevLogTerm = channel.Long;
long leaderCommit = channel.Long;
long count = channel.Long;
RaftLogEntry[] entries = new RaftLogEntry[( int )count];
for (int i = 0; i < count; i++)
{
long entryTerm = channel.Long;
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final org.neo4j.causalclustering.core.replication.ReplicatedContent content = marshal.unmarshal(channel);
ReplicatedContent content = _marshal.unmarshal(channel);
entries[i] = new RaftLogEntry(entryTerm, content);
}
result = new Org.Neo4j.causalclustering.core.consensus.RaftMessages_AppendEntries_Request(from, term, prevLogIndex, prevLogTerm, entries, leaderCommit);
}
else if (messageType.Equals(APPEND_ENTRIES_RESPONSE))
{
long term = channel.Long;
bool success = channel.Get() == 1;
long matchIndex = channel.Long;
long appendIndex = channel.Long;
result = new Org.Neo4j.causalclustering.core.consensus.RaftMessages_AppendEntries_Response(from, term, success, matchIndex, appendIndex);
}
else if (messageType.Equals(NEW_ENTRY_REQUEST))
{
ReplicatedContent content = _marshal.unmarshal(channel);
result = new Org.Neo4j.causalclustering.core.consensus.RaftMessages_NewEntry_Request(from, content);
}
else if (messageType.Equals(HEARTBEAT))
{
long leaderTerm = channel.Long;
long commitIndexTerm = channel.Long;
long commitIndex = channel.Long;
result = new Org.Neo4j.causalclustering.core.consensus.RaftMessages_Heartbeat(from, leaderTerm, commitIndex, commitIndexTerm);
}
else if (messageType.Equals(HEARTBEAT_RESPONSE))
{
result = new Org.Neo4j.causalclustering.core.consensus.RaftMessages_HeartbeatResponse(from);
}
else if (messageType.Equals(LOG_COMPACTION_INFO))
{
long leaderTerm = channel.Long;
long prevIndex = channel.Long;
result = new Org.Neo4j.causalclustering.core.consensus.RaftMessages_LogCompactionInfo(from, leaderTerm, prevIndex);
}
else
{
throw new System.ArgumentException("Unknown message type");
}
list.Add(Org.Neo4j.causalclustering.core.consensus.RaftMessages_ReceivedInstantClusterIdAwareMessage.of(_clock.instant(), clusterId, result));
}
public override Void Handle(Org.Neo4j.causalclustering.core.consensus.RaftMessages_LogCompactionInfo logCompactionInfo)
{
Channel.putLong(logCompactionInfo.LeaderTerm());
Channel.putLong(logCompactionInfo.PrevIndex());
return(null);
}
private static void HandleLeaderLogCompaction(ReadableRaftState ctx, Outcome outcome, Org.Neo4j.causalclustering.core.consensus.RaftMessages_LogCompactionInfo compactionInfo)
{
if (compactionInfo.LeaderTerm() < ctx.Term())
{
return;
}
if (ctx.EntryLog().appendIndex() <= -1 || compactionInfo.PrevIndex() > ctx.EntryLog().appendIndex())
{
outcome.MarkNeedForFreshSnapshot();
}
}