71 lines
1.8 KiB
C++
71 lines
1.8 KiB
C++
//
|
|
// Copyright Aliaksei Levin (levlam@telegram.org), Arseny Smirnov (arseny30@gmail.com) 2014-2023
|
|
//
|
|
// Distributed under the Boost Software License, Version 1.0. (See accompanying
|
|
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
//
|
|
#pragma once
|
|
|
|
#include "td/telegram/files/FileLoaderActor.h"
|
|
#include "td/telegram/files/ResourceState.h"
|
|
|
|
#include "td/actor/actor.h"
|
|
|
|
#include "td/utils/common.h"
|
|
#include "td/utils/Container.h"
|
|
#include "td/utils/Heap.h"
|
|
|
|
#include <utility>
|
|
|
|
namespace td {
|
|
|
|
class ResourceManager final : public Actor {
|
|
public:
|
|
enum class Mode : int32 { Baseline, Greedy };
|
|
ResourceManager(int64 max_resource_limit, Mode mode) : max_resource_limit_(max_resource_limit), mode_(mode) {
|
|
}
|
|
// use through ActorShared
|
|
void update_priority(int8 priority);
|
|
void update_resources(const ResourceState &resource_state);
|
|
|
|
void register_worker(ActorShared<FileLoaderActor> callback, int8 priority);
|
|
|
|
private:
|
|
int64 max_resource_limit_ = 0;
|
|
Mode mode_;
|
|
|
|
using NodeId = uint64;
|
|
struct Node final : public HeapNode {
|
|
NodeId node_id = 0;
|
|
|
|
ResourceState resource_state_;
|
|
ActorShared<FileLoaderActor> callback_;
|
|
|
|
HeapNode *as_heap_node() {
|
|
return static_cast<HeapNode *>(this);
|
|
}
|
|
static Node *from_heap_node(HeapNode *heap_node) {
|
|
return static_cast<Node *>(heap_node);
|
|
}
|
|
};
|
|
|
|
Container<unique_ptr<Node>> nodes_container_;
|
|
vector<std::pair<int8, NodeId>> to_xload_;
|
|
KHeap<int64> by_estimated_extra_;
|
|
ResourceState resource_state_;
|
|
|
|
ActorShared<> parent_;
|
|
bool stop_flag_ = false;
|
|
|
|
void hangup_shared() final;
|
|
|
|
void loop() final;
|
|
|
|
void add_to_heap(Node *node);
|
|
bool satisfy_node(NodeId file_node_id);
|
|
void add_node(NodeId node_id, int8 priority);
|
|
bool remove_node(NodeId node_id);
|
|
};
|
|
|
|
} // namespace td
|