Files
3FS/src/meta/service/MetaServer.h
2025-02-27 21:53:53 +08:00

97 lines
3.4 KiB
C++

#pragma once
#include <memory>
#include "client/mgmtd/MgmtdClientForServer.h"
#include "client/storage/StorageClient.h"
#include "common/logging/LogConfig.h"
#include "common/net/Client.h"
#include "common/net/Server.h"
#include "common/utils/BackgroundRunner.h"
#include "common/utils/ConfigBase.h"
#include "core/app/ServerAppConfig.h"
#include "core/app/ServerLauncher.h"
#include "core/app/ServerLauncherConfig.h"
#include "core/app/ServerMgmtdClientFetcher.h"
#include "fdb/HybridKvEngineConfig.h"
#include "meta/base/Config.h"
#include "meta/service/MetaOperator.h"
namespace hf3fs::meta::server {
class MetaServer : public net::Server {
public:
static constexpr auto kName = "Meta";
static constexpr auto kNodeType = flat::NodeType::META;
struct CommonConfig : public ApplicationBase::Config {
CommonConfig() {
using logging::LogConfig;
log().set_categories({LogConfig::makeRootCategoryConfig(), LogConfig::makeEventCategoryConfig()});
log().set_handlers({LogConfig::makeNormalHandlerConfig(),
LogConfig::makeErrHandlerConfig(),
LogConfig::makeFatalHandlerConfig(),
LogConfig::makeEventHandlerConfig()});
}
};
using AppConfig = core::ServerAppConfig;
struct LauncherConfig : public core::ServerLauncherConfig {
LauncherConfig() { mgmtd_client() = hf3fs::client::MgmtdClientForServer::Config{}; }
};
using RemoteConfigFetcher = core::launcher::ServerMgmtdClientFetcher;
using Launcher = core::ServerLauncher<MetaServer>;
struct Config : public ConfigBase<Config> {
CONFIG_ITEM(use_memkv, false); // deprecated
CONFIG_OBJ(base, net::Server::Config, [](net::Server::Config &c) {
c.set_groups_length(2);
c.groups(0).listener().set_listen_port(8000);
c.groups(0).set_services({"MetaSerde"});
c.groups(1).set_network_type(net::Address::TCP);
c.groups(1).listener().set_listen_port(9000);
c.groups(1).set_use_independent_thread_pool(true);
c.groups(1).set_services({"Core"});
});
CONFIG_OBJ(fdb, kv::fdb::FDBConfig); // deprecated
CONFIG_OBJ(meta, meta::server::Config);
CONFIG_OBJ(background_client, net::Client::Config);
CONFIG_OBJ(mgmtd_client, ::hf3fs::client::MgmtdClientForServer::Config);
CONFIG_OBJ(storage_client, storage::client::StorageClient::Config, [](storage::client::StorageClient::Config &cfg) {
cfg.retry().set_init_wait_time(2_s);
cfg.retry().set_max_wait_time(5_s);
cfg.retry().set_max_retry_time(5_s);
cfg.retry().set_max_failures_before_failover(1);
});
CONFIG_OBJ(kv_engine, kv::HybridKvEngineConfig);
};
MetaServer(const Config &config);
~MetaServer() override;
using net::Server::start;
Result<Void> start(const flat::AppInfo &info, std::shared_ptr<kv::IKVEngine> kvEngine);
Result<Void> start(const flat::AppInfo &info,
std::unique_ptr<net::Client> client,
std::shared_ptr<::hf3fs::client::MgmtdClient> mgmtdClient);
// set up meta server.
Result<Void> beforeStart() final;
// tear down meta server.
Result<Void> beforeStop() final;
Result<Void> afterStop() final;
private:
const Config &config_;
std::shared_ptr<kv::IKVEngine> kvEngine_;
std::unique_ptr<net::Client> backgroundClient_;
std::shared_ptr<::hf3fs::client::MgmtdClientForServer> mgmtdClient_;
std::unique_ptr<MetaOperator> metaOperator_;
};
} // namespace hf3fs::meta::server