91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
#include "memstat.h"
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#include <iostream>
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#include <unistd.h>
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#include <sys/sysinfo.h>
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// struct sysinfo {
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// long uptime; /* Seconds since boot */
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// unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
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// unsigned long totalram; /* Total usable main memory size */
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// unsigned long freeram; /* Available memory size */
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// unsigned long sharedram; /* Amount of shared memory */
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// unsigned long bufferram; /* Memory used by buffers */
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// unsigned long totalswap; /* Total swap space size */
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// unsigned long freeswap; /* swap space still available */
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// unsigned short procs; /* Number of current processes */
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// unsigned long totalhigh; /* Total high memory size */
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// unsigned long freehigh; /* Available high memory size */
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// unsigned int mem_unit; /* Memory unit size in bytes */
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// char _f[20-2*sizeof(long)-sizeof(int)]; /* Padding for 64 bytes */
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// };
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Memory::Memory() {
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this->UPDATE_INTERVAL = 1000;
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this->m_isPolling = false;
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memStat = new MemStat();
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struct sysinfo info;
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sysinfo(&info);
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std::cout << "Total RAM Memory supported: " << info.totalram / 1.049e+6 << "MB" << std::endl;
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}
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MemStat Memory::getMemStat() {
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MemStat stat;
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this->Memory_Mutex.lock();
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memcpy(&stat, this->memStat, sizeof(MemStat));
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this->Memory_Mutex.unlock();
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return stat;
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}
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void Memory::START_MEMORY_POLLING() {
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if (this->m_isPolling) {
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return;
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}
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this->m_isPolling = true;
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std::cout << "Starting memory worker thread" << std::endl;
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m_pollThread = new std::thread(&Memory::MEMORY_POLL, this);
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}
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void Memory::MEMORY_POLL(Memory* mem) {
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std::cout << "New memory worker thread" << std::endl;
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while (true) {
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mem->Memory_Mutex.lock();
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if (!mem->m_isPolling) {
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mem->Memory_Mutex.unlock();
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return;
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}
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mem->Memory_Mutex.unlock();
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struct sysinfo info;
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sysinfo(&info);
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mem->Memory_Mutex.lock();
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mem->memStat->TOTAL_MB = info.totalram / 1.049e+6;
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mem->memStat->FREE_MB = info.freeram / 1.049e+6;
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mem->memStat->SHARED_MB = info.sharedram / 1.049e+6;
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mem->memStat->BUFFER_MB = info.bufferram / 1.049e+6;
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mem->memStat->TOTAL_RUNNING_PROCS = info.procs;
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mem->Memory_Mutex.unlock();
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sleep(1);
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}
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}
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void Memory::END_MEMORY_POLLING() {
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if (!this->m_isPolling) {
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return;
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}
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this->m_isPolling = false;
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m_pollThread->join();
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delete m_pollThread;
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}
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Memory::~Memory() {
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this->m_isPolling = false;
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m_pollThread->join();
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delete m_pollThread;
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}
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