//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public Void handle(org.neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request preVoteRequest) throws Exception
public override Void Handle(Org.Neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request preVoteRequest)
{
MemberMarshal.marshal(preVoteRequest.Candidate(), Channel);
Channel.putLong(preVoteRequest.Term());
Channel.putLong(preVoteRequest.LastLogIndex());
Channel.putLong(preVoteRequest.LastLogTerm());
return(null);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public org.neo4j.causalclustering.core.consensus.outcome.Outcome handle(org.neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request req) throws java.io.IOException
public override Outcome Handle(Org.Neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request req)
{
if (Ctx.supportPreVoting())
{
if (req.Term() > Ctx.term())
{
StepDownToFollower(Outcome, Ctx);
Log.info("Moving to FOLLOWER state after receiving pre vote request from %s at term %d (I am at %d)", req.From(), req.Term(), Ctx.term());
}
Voting.DeclinePreVoteRequest(Ctx, Outcome, req);
}
return(Outcome);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public static boolean startPreElection(org.neo4j.causalclustering.core.consensus.state.ReadableRaftState ctx, org.neo4j.causalclustering.core.consensus.outcome.Outcome outcome, org.neo4j.logging.Log log) throws java.io.IOException
public static bool StartPreElection(ReadableRaftState ctx, Outcome outcome, Log log)
{
ISet <MemberId> currentMembers = ctx.VotingMembers();
if (currentMembers == null || !currentMembers.Contains(ctx.Myself()))
{
log.Info("Pre-election attempted but not started, current members are %s, I am %s", currentMembers, ctx.Myself());
return(false);
}
Org.Neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request preVoteForMe = new Org.Neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request(ctx.Myself(), outcome.Term, ctx.Myself(), ctx.EntryLog().appendIndex(), ctx.EntryLog().readEntryTerm(ctx.EntryLog().appendIndex()));
currentMembers.Where(member => !member.Equals(ctx.Myself())).ForEach(member => outcome.addOutgoingMessage(new Org.Neo4j.causalclustering.core.consensus.RaftMessages_Directed(member, preVoteForMe)));
log.Info("Pre-election started with: %s and members: %s", preVoteForMe, currentMembers);
return(true);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private static void respondToPreVoteRequest(org.neo4j.causalclustering.core.consensus.state.ReadableRaftState state, org.neo4j.causalclustering.core.consensus.outcome.Outcome outcome, org.neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request voteRequest, org.neo4j.function.ThrowingBooleanSupplier<java.io.IOException> willVoteFor) throws java.io.IOException
private static void RespondToPreVoteRequest(ReadableRaftState state, Outcome outcome, Org.Neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request voteRequest, ThrowingBooleanSupplier <IOException> willVoteFor)
{
if (voteRequest.Term() > state.Term())
{
outcome.NextTerm = voteRequest.Term();
}
outcome.AddOutgoingMessage(new Org.Neo4j.causalclustering.core.consensus.RaftMessages_Directed(voteRequest.From(), new Org.Neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Response(state.Myself(), outcome.Term, willVoteFor.AsBoolean)));
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: static void declinePreVoteRequest(org.neo4j.causalclustering.core.consensus.state.ReadableRaftState state, org.neo4j.causalclustering.core.consensus.outcome.Outcome outcome, org.neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request voteRequest) throws java.io.IOException
internal static void DeclinePreVoteRequest(ReadableRaftState state, Outcome outcome, Org.Neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request voteRequest)
{
RespondToPreVoteRequest(state, outcome, voteRequest, () => false);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: static void handlePreVoteRequest(org.neo4j.causalclustering.core.consensus.state.ReadableRaftState state, org.neo4j.causalclustering.core.consensus.outcome.Outcome outcome, org.neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request voteRequest, org.neo4j.logging.Log log) throws java.io.IOException
internal static void HandlePreVoteRequest(ReadableRaftState state, Outcome outcome, Org.Neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request voteRequest, Log log)
{
ThrowingBooleanSupplier <IOException> willVoteForCandidate = () => ShouldVoteFor(state, outcome, voteRequest, false, log);
RespondToPreVoteRequest(state, outcome, voteRequest, willVoteForCandidate);
}
//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 Outcome Handle(Org.Neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request request, Outcome outcome, ReadableRaftState ctx, Log log)
{
return(outcome);
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public org.neo4j.causalclustering.core.consensus.outcome.Outcome handle(org.neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request request) throws java.io.IOException
public override Outcome Handle(Org.Neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request request)
{
return(PreVoteRequestHandler.handle(request, Outcome, Ctx, Log));
}
//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: public Void handle(org.neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request request) throws Exception
public override Void Handle(Org.Neo4j.causalclustering.core.consensus.RaftMessages_PreVote_Request request)
{
return(null);
}
