blob: da04b18e8c12cd3a8f93e6d040fff5d93ea710d0 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "i_disk_mem_usage_notifier.h"
#include "i_disk_mem_usage_listener.h"
#include <vespa/searchcorespi/index/i_thread_service.h>
#include <vector>
#include <mutex>
namespace proton {
/**
* Forwarder for disk/memory usage state changes. Notification is forwarded
* as a task run by the supplied executor.
*/
class DiskMemUsageForwarder : public IDiskMemUsageNotifier,
public IDiskMemUsageListener
{
searchcorespi::index::IThreadService &_executor;
std::vector<IDiskMemUsageListener *> _listeners;
std::mutex _lock;
DiskMemUsageState _state;
void forward(DiskMemUsageState state);
public:
DiskMemUsageForwarder(searchcorespi::index::IThreadService &executor);
~DiskMemUsageForwarder() override;
void addDiskMemUsageListener(IDiskMemUsageListener *listener) override;
void removeDiskMemUsageListener(IDiskMemUsageListener *listener) override;
void notifyDiskMemUsage(DiskMemUsageState state) override;
};
} // namespace proton
|
