private void updateBallotNumberIfNeeded(SolicitateBallotRequest message, AcceptorState state)
{
if (message.BallotNumber > state.BallotNumber)
{
state.BallotNumber = message.BallotNumber;
}
}
private void rejectVote(VoteRequest request, AcceptorState state)
{
VoteStatus voteStatus = VoteStatus.Rejected;
VoteResponse response = generateVoteResponse(state, request, voteStatus);
sendVoteResponse(request.MessageSender, response);
}
private void updateBallotNumberIfNeeded(SolicitateBallotRequest message, AcceptorState state)
{
if (message.BallotNumber > state.BallotNumber)
{
state.BallotNumber = message.BallotNumber;
logger.Info($"{state.MessageSender.UniqueId} elect leader {message.MessageSender.UniqueId}");
}
}
public void Execute(MessageStrategyExecuteArg <IMessage> obj)
{
checkInvalidParameter(obj);
SolicitateBallotRequest message = obj.Message as SolicitateBallotRequest;
AcceptorState state = obj.RoleState as AcceptorState;
updateBallotNumberIfNeeded(message, state);
sendSolicitateBallotResponse(message.MessageSender, state);
}
private void sendSolicitateBallotResponse(MessageSender sendTo, AcceptorState state)
{
SolicitateBallotResponse response = new SolicitateBallotResponse
{
BallotNumber = state.BallotNumber,
MessageSender = state.MessageSender,
Decision = state.LastAcceptedVote
};
this.broker.SendMessage(sendTo.UniqueId, response);
}
private VoteResponse generateVoteResponse(AcceptorState state, VoteRequest request, VoteStatus voteStatus)
{
VoteResponse response = new VoteResponse
{
BallotNumber = state.BallotNumber,
MessageSender = state.MessageSender,
SlotNumber = request.SlotNumber,
VoteStatus = voteStatus
};
return(response);
}
public void Execute(MessageStrategyExecuteArg <IMessage> obj)
{
checkInvalidParameter(obj);
VoteRequest request = (obj.Message as VoteRequest);
AcceptorState state = obj.RoleState as AcceptorState;
if (ballotIsValid(request.BallotNumber, state.BallotNumber))
{
acceptVote(request, state);
}
else
{
rejectVote(request, state);
}
}
private void acceptVote(VoteRequest request, AcceptorState state)
{
VoteResponse vote = new VoteResponse()
{
BallotNumber = request.BallotNumber,
SlotNumber = request.SlotNumber,
Command = request.Command
};
state.LastAcceptedVote = vote;
VoteStatus voteStatus = VoteStatus.Accepted;
VoteResponse response = generateVoteResponse(state, request, voteStatus);
sendVoteResponse(request.MessageSender, response);
}
