方法来确定路径字符串是本地或远程计算机 [英] Method to determine if path string is local or remote machine

问题描述

什么是最好的方式，使用C＃或其他.NET语言，以确定是否一个文件路径字符串是本地计算机或远程服务器上？

What's the best way, using C# or other .NET language, to determine if a file path string is on the local machine or a remote server?

这是可能的，以确定是否一个路径字符串是UNC使用以下：

It's possible to determine if a path string is UNC using the following:

new Uri(path).IsUnc

这是该开始用C道路的伟大工程：关于类似的路径\或其他驱动器盘符，但什么：

That works great for paths that start with C:\ or other drive letter, but what about paths like:

\\machinename\sharename\directory
\\10.12.34.56\sharename\directory

...在这里指的是本地机器 - 这些是UNC路径，但仍有局部

...where both refer to the local machine - these are UNC paths but are still local.

推荐答案

不知道是否有这样做的更有效的方式，但它似乎为我工作：

Don't know if there's a more efficient way of doing this, but it seems to work for me:

    IPAddress[] host;
    IPAddress[] local;
    bool isLocal = false;

    host = Dns.GetHostAddresses(uri.Host);
    local = Dns.GetHostAddresses(Dns.GetHostName());

    foreach (IPAddress hostAddress in host)
    {
        if (IPAddress.IsLoopback(hostAddress))
        {
            isLocal = true;
            break;
        }
        else
        {
            foreach (IPAddress localAddress in local)
            {
                if (hostAddress.Equals(localAddress))
                {
                    isLocal = true;
                    break;
                }
            }

            if (isLocal)
            {
                break;
            }
        }
    }

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