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Refactored consensus into 3 rounds. (#144)

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* Refactored consensus into 3 stages and removed stage 0.
* Consensus threshold calculation improvements.
* Refactored candidate user input processing.
* Renamed proposal sent timestamp field.
* Introduced comm_session display name.
This commit is contained in:
Ravin Perera
2020-11-07 15:01:01 +05:30
committed by GitHub
parent 51173e37f2
commit ba0cae019d
17 changed files with 568 additions and 516 deletions
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35
src/comm/comm_session.cpp
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@@ -228,7 +228,34 @@ namespace comm
reader_thread.join();
LOG_DEBUG << (session_type == SESSION_TYPE::PEER ? "Peer" : "User") << " session closed: "
<< uniqueid.substr(0, 10) << (is_inbound ? "[in]" : "[out]") << (is_self ? "[self]" : "");
<< display_name() << (is_inbound ? "[in]" : "[out]") << (is_self ? "[self]" : "");
}
/**
* Returns printable name for the session based on uniqueid (used for logging).
*/
const std::string comm_session::display_name()
{
if (challenge_status == CHALLENGE_STATUS::CHALLENGE_VERIFIED)
{
if (session_type == SESSION_TYPE::PEER)
{
// Peer sessions use pubkey hex as unique id (skipping first 2 bytes key type prefix).
return uniqueid.substr(2, 10);
}
else
{
// User sessions use binary pubkey as unique id. So we need to convert to hex.
std::string hex;
util::bin2hex(hex,
reinterpret_cast<const unsigned char *>(uniqueid.data()),
uniqueid.length());
return hex.substr(2, 10); // Skipping first 2 bytes key type prefix.
}
}
// Unverified sessions just use the ip/host address as the unique id.
return uniqueid;
}
/**
@@ -268,13 +295,13 @@ namespace comm
const uint64_t elapsed_time = time_now - t.timestamp;
if (elapsed_time <= t.intervalms && t.counter_value > t.threshold_limit)
{
this->close();
close();
t.timestamp = 0;
t.counter_value = 0;
LOG_INFO << "Session " << this->uniqueid << " threshold exceeded. (type:" << threshold_type << " limit:" << t.threshold_limit << ")";
corebill::report_violation(this->address);
LOG_INFO << "Session " << uniqueid << " threshold exceeded. (type:" << threshold_type << " limit:" << t.threshold_limit << ")";
corebill::report_violation(address);
}
else if (elapsed_time > t.intervalms)
{