VMWare SDK C# 虚拟机接口类型

Question

我有获取虚拟机网络连接和检索连接的交换机信息的代码。

我的代码似乎适用于 "VirtualEthernetCardNetworkBackingInfo" 类型的接口，但是当服务器连接到 VD 交换机时会失败，因为在这种情况下需要使用 "VirtualEthernetCardDistributedVirtualPortBackingInfo" 类型。

问题是，在尝试转换对象之前如何检测接口类型？还是应该尝试投射，看看哪个有效？

这是我的代码，但我正在寻找更简洁的代码...

bool vswitch = false, vds = false;

VirtualEthernetCard _workloadnic = (VirtualEthernetCard)_virtualdevice;
//first check if the VM is connected to a vswitch
try
{
    VirtualEthernetCardNetworkBackingInfo _nic_backing = (VirtualEthernetCardNetworkBackingInfo)_workloadnic.Backing;
    network_moid = _nic_backing.Network.Value;
    vswitch = true;
}
catch (Exception ex) { }

//if it was not a vswitch it should be a vds
if (!vswitch)
{
    try
    {
        VirtualEthernetCardDistributedVirtualPortBackingInfo _nic_backing = (VirtualEthernetCardDistributedVirtualPortBackingInfo)_workloadnic.Backing;
        network_moid = _nic_backing.Port.SwitchUuid
        vds = true;
    }
    catch (Exception ex) { }
}
if (!vswitch || !vds)
{
    Logger.log(String.Format("UpdateVMwareWorkload: Could not determine workload network backing type"), Logger.Severity.Error);
}

Answer 1

它认为这会工作得很好...

            if (_workloadnic.Backing is VirtualEthernetCardNetworkBackingInfo)
            {

            }
            else if (_workloadnic.Backing is VirtualEthernetCardDistributedVirtualPortBackingInfo)
            {

            }

VMWare SDK C# 虚拟机接口类型

VMWare SDK C# VirtualMachine Interface Type

c#

vmware