juju/paxos
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Can only BeginBallot once

This commit is contained in:
Julien CLEMENT 2020-05-06 19:24:43 +02:00
parent 60772b4db1
commit bd6ce7db3b
2 changed files with 6 additions and 4 deletions
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3
src/events/send.cc
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@ -25,6 +25,7 @@ namespace paxos
auto buffer = connection_->get_buffer_out();
std::string response = buffer.to_string();
log("Sending a message: ", blue);
log(response, white);
ssize_t write = 0;
@ -81,6 +82,7 @@ namespace paxos
std::string ip = legislator->config_.ip;
std::string port = legislator->config_.port;
std::string name = legislator->config_.name;
message.add_header("receiver", name);
shared_socket socket;
try
{
@ -96,6 +98,5 @@ namespace paxos
message.fill_buffer(connection->get_buffer_out());
event_register.register_event<SendEW>(connection);
log("Sending a message to " + name + ": ", blue);
}
}

7
src/legislator/legislator.cc
View File

@ -91,7 +91,9 @@ namespace paxos
int vote_ballot_id = std::stoi(vote_ballot_id_str);
int vote_decree = std::stoi(*message.get_header("decree"));
if (ballot != ledger.last_tried())
unsigned int nb_legislators = legislators.size();
if (ballot != ledger.last_tried()
|| quorum_previous_votes.size() > nb_legislators / 2)
return;
Decree decree;
@ -103,8 +105,7 @@ namespace paxos
quorum_previous_votes.insert(std::pair<std::string, Vote>
(sender, vote));
int nb_legislators = legislators.size();
int quorum_size = quorum_previous_votes.size();
unsigned int quorum_size = quorum_previous_votes.size();
if (quorum_size > nb_legislators / 2)
receive_enough_last_vote();
}