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#include <Interpreters/Context.h>
#include <DataTypes/DataTypeArray.h>
#include <DataTypes/DataTypeEnum.h>
#include <DataTypes/DataTypeString.h>
#include <DataTypes/DataTypesNumber.h>
#include <DataTypes/DataTypeDateTime.h>
#include <Common/ZooKeeper/ZooKeeper.h>
#include <Coordination/KeeperFeatureFlags.h>
#include <Storages/System/StorageSystemZooKeeperConnection.h>
namespace DB
{
NamesAndTypesList StorageSystemZooKeeperConnection::getNamesAndTypes()
{
DataTypeEnum16::Values feature_flags_enum_values;
feature_flags_enum_values.reserve(magic_enum::enum_count<KeeperFeatureFlag>());
for (const auto & [feature_flag, feature_flag_string] : magic_enum::enum_entries<KeeperFeatureFlag>())
feature_flags_enum_values.push_back(std::pair{std::string{feature_flag_string}, static_cast<Int16>(feature_flag)});
auto feature_flags_enum = std::make_shared<DataTypeEnum16>(std::move(feature_flags_enum_values));
return {
{"name", std::make_shared<DataTypeString>()},
{"host", std::make_shared<DataTypeString>()},
{"port", std::make_shared<DataTypeUInt16>()},
{"index", std::make_shared<DataTypeUInt8>()},
{"connected_time", std::make_shared<DataTypeDateTime>()},
{"session_uptime_elapsed_seconds", std::make_shared<DataTypeUInt64>()},
{"is_expired", std::make_shared<DataTypeUInt8>()},
{"keeper_api_version", std::make_shared<DataTypeUInt8>()},
{"client_id", std::make_shared<DataTypeInt64>()},
{"enabled_feature_flags", std::make_shared<DataTypeArray>(std::move(feature_flags_enum))}
};
}
void StorageSystemZooKeeperConnection::fillData(MutableColumns & res_columns, ContextPtr context,
const SelectQueryInfo &) const
{
res_columns[0]->insert("default");
res_columns[1]->insert(context->getZooKeeper()->getConnectedZooKeeperHost());
res_columns[2]->insert(context->getZooKeeper()->getConnectedZooKeeperPort());
res_columns[3]->insert(context->getZooKeeper()->getConnectedZooKeeperIndex());
res_columns[4]->insert(context->getZooKeeper()->getConnectedTime());
res_columns[5]->insert(context->getZooKeeperSessionUptime());
res_columns[6]->insert(context->getZooKeeper()->expired());
res_columns[7]->insert(0);
res_columns[8]->insert(context->getZooKeeper()->getClientID());
const auto add_enabled_feature_flags = [&](const auto & zookeeper)
{
Array enabled_feature_flags;
const auto * feature_flags = zookeeper->getKeeperFeatureFlags();
if (feature_flags)
{
for (const auto & feature_flag : magic_enum::enum_values<KeeperFeatureFlag>())
{
if (feature_flags->isEnabled(feature_flag))
{
enabled_feature_flags.push_back(feature_flag);
}
}
}
res_columns[9]->insert(std::move(enabled_feature_flags));
};
add_enabled_feature_flags(context->getZooKeeper());
for (const auto & elem : context->getAuxiliaryZooKeepers())
{
res_columns[0]->insert(elem.first);
res_columns[1]->insert(elem.second->getConnectedZooKeeperHost());
res_columns[2]->insert(elem.second->getConnectedZooKeeperPort());
res_columns[3]->insert(elem.second->getConnectedZooKeeperIndex());
res_columns[4]->insert(elem.second->getConnectedTime());
res_columns[5]->insert(elem.second->getSessionUptime());
res_columns[6]->insert(elem.second->expired());
res_columns[7]->insert(0);
res_columns[8]->insert(elem.second->getClientID());
add_enabled_feature_flags(elem.second);
}
}
}
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