burrow-pi-img/deps/tools/rpiConfigServer_src/SystemStatus.h
2018-12-14 16:36:56 -08:00

62 lines
1.6 KiB
C++

/*----------------------------------------------------------------------------*/
/* Copyright (c) 2018 FIRST. All Rights Reserved. */
/* Open Source Software - may be modified and shared by FRC teams. The code */
/* must be accompanied by the FIRST BSD license file in the root directory of */
/* the project. */
/*----------------------------------------------------------------------------*/
#ifndef RPICONFIGSERVER_SYSTEMSTATUS_H_
#define RPICONFIGSERVER_SYSTEMSTATUS_H_
#include <memory>
#include <wpi/Signal.h>
#include "DataHistory.h"
namespace wpi {
class json;
} // namespace wpi
class SystemStatus {
struct private_init {};
public:
explicit SystemStatus(const private_init&) {}
SystemStatus(const SystemStatus&) = delete;
SystemStatus& operator=(const SystemStatus&) = delete;
void UpdateAll();
wpi::json GetStatusJson();
bool GetWritable();
wpi::sig::Signal<const wpi::json&> status;
wpi::sig::Signal<bool> writable;
static std::shared_ptr<SystemStatus> GetInstance();
private:
void UpdateMemory();
void UpdateCpu();
void UpdateNetwork();
DataHistory<uint64_t, 5> m_memoryFree;
DataHistory<uint64_t, 5> m_memoryAvail;
struct CpuData {
uint64_t user;
uint64_t nice;
uint64_t system;
uint64_t idle;
uint64_t total;
};
DataHistory<CpuData, 6> m_cpu;
struct NetworkData {
uint64_t recvBytes = 0;
uint64_t xmitBytes = 0;
};
DataHistory<NetworkData, 6> m_network;
};
#endif // RPICONFIGSERVER_SYSTEMSTATUS_H_