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Stabilize taxi/state sync and creature spawn handling

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Kelsi 2026-02-11 21:14:35 -08:00
parent 38cef8d9c6
commit 40b50454ce
18 changed files with 818 additions and 127 deletions
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32
src/core/memory_monitor.cpp
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@ -2,11 +2,31 @@
#include "core/logger.hpp"
#include <fstream>
#include <string>
#include <sstream>
#include <sys/sysinfo.h>
namespace wowee {
namespace core {
namespace {
size_t readMemAvailableBytesFromProc() {
std::ifstream meminfo("/proc/meminfo");
if (!meminfo.is_open()) return 0;
std::string line;
while (std::getline(meminfo, line)) {
// Format: "MemAvailable: 123456789 kB"
if (line.rfind("MemAvailable:", 0) != 0) continue;
std::istringstream iss(line.substr(13));
size_t kb = 0;
iss >> kb;
if (kb > 0) return kb * 1024ull;
break;
}
return 0;
}
} // namespace
MemoryMonitor& MemoryMonitor::getInstance() {
static MemoryMonitor instance;
return instance;
@ -25,10 +45,18 @@ void MemoryMonitor::initialize() {
}
size_t MemoryMonitor::getAvailableRAM() const {
// Best source on Linux for reclaimable memory headroom.
if (size_t memAvailable = readMemAvailableBytesFromProc(); memAvailable > 0) {
return memAvailable;
}
struct sysinfo info;
if (sysinfo(&info) == 0) {
// Available = free + buffers + cached
return static_cast<size_t>(info.freeram) * info.mem_unit;
// Fallback approximation if /proc/meminfo is unavailable.
size_t freeBytes = static_cast<size_t>(info.freeram) * info.mem_unit;
size_t bufferBytes = static_cast<size_t>(info.bufferram) * info.mem_unit;
size_t available = freeBytes + bufferBytes;
return (totalRAM_ > 0 && available > totalRAM_) ? totalRAM_ : available;
}
return totalRAM_ / 2; // Fallback: assume 50% available
}