milvus/cpp/src/scheduler/ResourceMgr.h
wxyu 7ed52edd6e MS-517 Update resource_mgr_test in scheduler
Former-commit-id: 1ec8d4869bb1d863a2bd98d64180d19a77f3313b
2019-09-07 18:14:48 +08:00

121 lines
2.4 KiB
C++

/*******************************************************************************
* Copyright 上海赜睿信息科技有限公司(Zilliz) - All Rights Reserved
* Unauthorized copying of this file, via any medium is strictly prohibited.
* Proprietary and confidential.
******************************************************************************/
#pragma once
#include <string>
#include <vector>
#include <memory>
#include <mutex>
#include <queue>
#include <condition_variable>
#include "resource/Resource.h"
#include "utils/Log.h"
namespace zilliz {
namespace milvus {
namespace engine {
class ResourceMgr {
public:
ResourceMgr() = default;
public:
/******** Management Interface ********/
void
Start();
void
Stop();
ResourceWPtr
Add(ResourcePtr &&resource);
bool
Connect(const std::string &res1, const std::string &res2, Connection &connection);
void
Clear();
inline void
RegisterSubscriber(std::function<void(EventPtr)> subscriber) {
subscriber_ = std::move(subscriber);
}
public:
/******** Management Interface ********/
inline std::vector<ResourceWPtr> &
GetDiskResources() {
return disk_resources_;
}
// TODO: why return shared pointer
inline std::vector<ResourcePtr>
GetAllResources() {
return resources_;
}
std::vector<ResourcePtr>
GetComputeResources();
ResourcePtr
GetResource(ResourceType type, uint64_t device_id);
ResourcePtr
GetResource(const std::string &name);
uint64_t
GetNumOfResource() const;
uint64_t
GetNumOfComputeResource() const;
uint64_t
GetNumGpuResource() const;
public:
// TODO: add stats interface(low)
public:
/******** Utility Functions ********/
std::string
Dump();
std::string
DumpTaskTables();
private:
void
post_event(const EventPtr &event);
void
event_process();
private:
bool running_ = false;
std::vector<ResourceWPtr> disk_resources_;
std::vector<ResourcePtr> resources_;
mutable std::mutex resources_mutex_;
std::queue<EventPtr> queue_;
std::function<void(EventPtr)> subscriber_ = nullptr;
std::mutex event_mutex_;
std::condition_variable event_cv_;
std::thread worker_thread_;
};
using ResourceMgrPtr = std::shared_ptr<ResourceMgr>;
using ResourceMgrWPtr = std::weak_ptr<ResourceMgr>;
}
}
}