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// Copyright Epic Games, Inc. All Rights Reserved.
#pragma once
#include "hubinstancestate.h"
#include "zenserver.h"
#include <zenutil/consul.h>
namespace cxxopts {
class Options;
}
namespace zen::LuaConfig {
struct Options;
}
namespace zen {
class HttpApiService;
class HttpFrontendService;
class HttpHubService;
struct ZenHubServerConfig : public ZenServerConfig
{
std::string UpstreamNotificationEndpoint;
std::string InstanceId; // For use in notifications
std::string ConsulEndpoint; // If set, enables Consul service registration
std::string ConsulTokenEnv; // Environment variable name to read a Consul token from; defaults to CONSUL_HTTP_TOKEN if empty
uint16_t HubBasePortNumber = 21000;
int HubInstanceLimit = 1000;
bool HubUseJobObject = true;
std::string HubInstanceHttpClass = "asio";
uint32_t HubInstanceHttpThreadCount = 0; // Automatic
int HubInstanceCoreLimit = 0; // Automatic
std::filesystem::path HubInstanceConfigPath; // Path to Lua config file
std::string HydrationTargetSpecification; // hydration/dehydration target specification
};
class Hub;
struct HubProvisionedInstanceInfo;
struct ZenHubServerConfigurator : public ZenServerConfiguratorBase
{
ZenHubServerConfigurator(ZenHubServerConfig& ServerOptions) : ZenServerConfiguratorBase(ServerOptions), m_ServerOptions(ServerOptions)
{
}
~ZenHubServerConfigurator() = default;
private:
virtual void AddCliOptions(cxxopts::Options& Options) override;
virtual void AddConfigOptions(LuaConfig::Options& Options) override;
virtual void ApplyOptions(cxxopts::Options& Options) override;
virtual void OnConfigFileParsed(LuaConfig::Options& LuaOptions) override;
virtual void ValidateOptions() override;
ZenHubServerConfig& m_ServerOptions;
};
class ZenHubServerMain : public ZenServerMain
{
public:
ZenHubServerMain(ZenHubServerConfig& ServerOptions);
virtual void DoRun(ZenServerState::ZenServerEntry* Entry) override;
ZenHubServerMain(const ZenHubServerMain&) = delete;
ZenHubServerMain& operator=(const ZenHubServerMain&) = delete;
typedef ZenHubServerConfig Config;
typedef ZenHubServerConfigurator Configurator;
private:
ZenHubServerConfig& m_ServerOptions;
};
class ZenHubServer : public ZenServerBase
{
ZenHubServer& operator=(ZenHubServer&&) = delete;
ZenHubServer(ZenHubServer&&) = delete;
public:
ZenHubServer();
~ZenHubServer();
int Initialize(const ZenHubServerConfig& ServerConfig, ZenServerState::ZenServerEntry* ServerEntry);
void Run();
void Cleanup();
void SetDataRoot(std::filesystem::path Root) { m_DataRoot = Root; }
void SetContentRoot(std::filesystem::path Root) { m_ContentRoot = Root; }
private:
void OnModuleStateChanged(std::string_view HubInstanceId,
std::string_view ModuleId,
const HubProvisionedInstanceInfo& Info,
HubInstanceState PreviousState,
HubInstanceState NewState);
std::filesystem::path m_DataRoot;
std::filesystem::path m_ContentRoot;
bool m_DebugOptionForcedCrash = false;
std::unique_ptr<Hub> m_Hub;
std::unique_ptr<HttpHubService> m_HubService;
std::unique_ptr<HttpApiService> m_ApiService;
std::unique_ptr<HttpFrontendService> m_FrontendService;
std::unique_ptr<consul::ConsulClient> m_ConsulClient;
std::unique_ptr<consul::ServiceRegistration> m_ConsulRegistration;
void InitializeState(const ZenHubServerConfig& ServerConfig);
void InitializeServices(const ZenHubServerConfig& ServerConfig);
void RegisterServices(const ZenHubServerConfig& ServerConfig);
void InitializeConsulRegistration(const ZenHubServerConfig& ServerConfig, int EffectivePort);
};
} // namespace zen
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