Status EventSubscriberPlugin::add(Row& r, EventTime event_time) {
// Get and increment the EID for this module.
EventID eid = getEventID();
// Without encouraging a missing event time, do not support a 0-time.
r["time"] = std::to_string((event_time == 0) ? getUnixTime() : event_time);
// Serialize and store the row data, for query-time retrieval.
std::string data;
auto status = serializeRowJSON(r, data);
if (!status.ok()) {
return status;
}
// Then remove the newline.
if (data.size() > 0 && data.back() == '\n') {
data.pop_back();
}
// Use the last EventID and a checkpoint bucket size to periodically apply
// buffer eviction. Eviction occurs if the total count exceeds events_max.
if (last_eid_ % EVENTS_CHECKPOINT == 0) {
expireCheck();
}
// Store the event data.
std::string event_key = "data." + dbNamespace() + "." + eid;
status = setDatabaseValue(kEvents, event_key, data);
// Record the event in the indexing bins, using the index time.
recordEvent(eid, event_time);
return status;
}
Status EventSubscriberPlugin::add(Row& r, EventTime event_time) {
std::shared_ptr<DBHandle> db = nullptr;
try {
db = DBHandle::getInstance();
} catch (const std::runtime_error& e) {
return Status(1, e.what());
}
// Get and increment the EID for this module.
EventID eid = getEventID();
// Without encouraging a missing event time, do not support a 0-time.
r["time"] = std::to_string((event_time == 0) ? getUnixTime() : event_time);
// Serialize and store the row data, for query-time retrieval.
std::string data;
auto status = serializeRowJSON(r, data);
if (!status.ok()) {
return status;
}
// Use the last EventID and a checkpoint bucket size to periodically apply
// buffer eviction. Eviction occurs if the total count exceeds events_max.
if (last_eid_ % EVENTS_CHECKPOINT == 0) {
expireCheck();
}
// Store the event data.
std::string event_key = "data." + dbNamespace() + "." + eid;
status = db->Put(kEvents, event_key, data);
// Record the event in the indexing bins, using the index time.
recordEvent(eid, event_time);
return status;
}