获取服务器资源占用的线程
| 30 | |
| 31 | |
| 32 | class MinecraftServerResMonitorUtil(QObject): |
| 33 | """ |
| 34 | 获取服务器资源占用的线程 |
| 35 | """ |
| 36 | |
| 37 | memPercent = pyqtSignal(float) |
| 38 | cpuPercent = pyqtSignal(float) |
| 39 | |
| 40 | def __init__(self, serverConfig, bridge: _ServerProcessBridge, parent=None): |
| 41 | super().__init__(parent) |
| 42 | self.bridge = bridge |
| 43 | self.setObjectName("MinecraftServerResMonitorThread") |
| 44 | self.timer = QTimer(self) |
| 45 | self.timer.timeout.connect(self.getServerMem) |
| 46 | self.timer.timeout.connect(self.getServerCPU) |
| 47 | self.timer.start(1000) |
| 48 | self.serverConfig: ServerVariables = serverConfig |
| 49 | |
| 50 | def getServerMem(self): |
| 51 | if not self.bridge.isServerRunning(): |
| 52 | self.memPercent.emit(0.0000) |
| 53 | return |
| 54 | |
| 55 | try: |
| 56 | process = Process(self.bridge.handledServer.process.processId()) |
| 57 | try: |
| 58 | mem_bytes = process.memory_full_info().uss |
| 59 | except (AccessDenied, PermissionError): |
| 60 | try: |
| 61 | mem_bytes = process.memory_info().rss |
| 62 | except (AccessDenied, PermissionError): |
| 63 | MCSL2Logger.warning( |
| 64 | f"无法获取进程内存信息: pid={process.pid} 权限不足" |
| 65 | ) |
| 66 | self.memPercent.emit(0.0000) |
| 67 | return |
| 68 | |
| 69 | serverMem = mem_bytes / 1048576 |
| 70 | self.memPercent.emit(float("{:.4f}".format(serverMem))) |
| 71 | except NoSuchProcess: |
| 72 | self.memPercent.emit(0.0000) |
| 73 | except AccessDenied: |
| 74 | MCSL2Logger.warning("进程内存查询被拒绝访问") |
| 75 | self.memPercent.emit(0.0000) |
| 76 | except PermissionError: |
| 77 | MCSL2Logger.warning("无权限访问进程内存信息") |
| 78 | self.memPercent.emit(0.0000) |
| 79 | |
| 80 | def getServerCPU(self): |
| 81 | try: |
| 82 | if self.bridge.isServerRunning(): |
| 83 | serverCPU = Process(self.bridge.handledServer.process.processId()).cpu_percent( |
| 84 | interval=0.01 |
| 85 | ) |
| 86 | self.cpuPercent.emit(float("{:.4f}".format(serverCPU / 10))) |
| 87 | else: |
| 88 | self.cpuPercent.emit(0.0000) |
| 89 | except NoSuchProcess: |