.net 中的 IP 路由表查找 [英] IP routing table lookup in .net

问题描述

我有一台多宿主机，需要回答这个问题:

I have a multi-homed machine and need to answer this question:

给定远程机器的 IP 地址，哪个本地接口适合用于通信.

Given an IP address of the remote machine, which local interface is appropriate to use for communication.

这需要在 C# 中完成.我可以使用 Win32 Socket 和 SIO_ROUTING_INTERFACE_QUERY 执行此查询，但在 .net 框架文档中环顾四周，我没有找到等效的方法.

This needs to be done in C#. I can do this query using Win32 Socket and SIO_ROUTING_INTERFACE_QUERY but looking around in the .net framework documentation I haven't found an equivalent for it.

推荐答案

我不知道这个，所以在 Visual Studio 对象浏览器中查看了一下，看起来您可以从 执行此操作System.Net.Sockets 命名空间.

I didn't know about this, so just had a look in the Visual Studio Object browser, and it looks like you can do this from the System.Net.Sockets namespace.

在该命名空间中是一个 Socket 类，其中包含一个方法 IOControl.此方法的重载之一采用 IOControlCode(同一命名空间中的枚举)，其中包含一个RoutingInterfaceQuery"条目.

In that namespace is a Socket class which contains a method IOControl. One of the overloads for this method takes an IOControlCode (enum in the same namespace) which contains an entry for `RoutingInterfaceQuery'.

我现在会尝试将一些代码放在一起作为示例.

I'll try and put some code together as an example now.

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