milvus/cpp/src/scheduler/ResourceMgr.h
wxyu d64389c7e3 MS-585 Update namespace in scheduler
Former-commit-id: 073ab3c91a97415efcb7d3be516a6bc00ee07a7a
2019-09-21 11:29:04 +08:00

133 lines
2.8 KiB
C++

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License. You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied. See the License for the
// specific language governing permissions and limitations
// under the License.
#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 scheduler {
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>;
}
}
}