vMConUtils.py 文件源码

def getNetUsage(self,instance):
        devices = []
        dev_usage = []
        tree = ElementTree.fromstring(self.getInsXMLDesc(instance, flag=1))
        if instance.state()[0] == 1:
            tree = ElementTree.fromstring(self.getInsXMLDesc(instance, flag=1))
            for target in tree.findall("devices/interface/target"):
                devices.append(target.get("dev"))
            for i, dev in enumerate(devices):
                rx_use_ago = instance.interfaceStats(dev)[0]
                tx_use_ago = instance.interfaceStats(dev)[4]
                time.sleep(1)
                rx_use_now = instance.interfaceStats(dev)[0]
                tx_use_now = instance.interfaceStats(dev)[4]
                rx_diff_usage = (rx_use_now - rx_use_ago) * 8
                tx_diff_usage = (tx_use_now - tx_use_ago) * 8
                dev_usage.append({'dev': i, 'rx': rx_diff_usage, 'tx': tx_diff_usage})
        else:
            for i, dev in enumerate(self.get_net_device(instance)):
                dev_usage.append({'dev': i, 'rx': 0, 'tx': 0})
        return dev_usage