Innovenergy_trunk/csharp/App/EmuMeterDriver/Nic.cs

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2023-02-16 12:57:06 +00:00
using System.Text.Json.Nodes;
using CliWrap;
using CliWrap.Buffered;
namespace InnovEnergy.App.EmuMeterDriver;
2023-02-16 12:57:06 +00:00
public readonly struct Nic
{
private static Command IpCommand { get; } = Cli
.Wrap("/sbin/ip")
.WithValidation(CommandResultValidation.None);
private readonly JsonNode _Node;
public Nic(JsonNode node)
{
_Node = node;
}
public Boolean IsEthernet
{
get
{
try
{
return _Node["link_type"]!.GetValue<String>() == "ether";
}
catch
{
return false;
}
}
}
public Boolean IsUp
{
get
{
// ReSharper disable once StringLiteralTypo
try
{
return _Node["operstate"]!.GetValue<String>() == "UP";
}
catch
{
return false;
}
}
}
public IReadOnlyList<String> Ip4Addresses
{
get
{
// ReSharper disable once StringLiteralTypo
try
{
return _Node["addr_info"]!
.AsArray()
.TryWhere(n => n!["family"]!.GetValue<String>() == "inet")
.TrySelect(n => n!["local"]!.GetValue<String>())
.ToList();
}
catch
{
return Array.Empty<String>();
}
}
}
public String Name
{
get
{
// ReSharper disable once StringLiteralTypo
try
{
return _Node["ifname"]!.GetValue<String>();
}
catch
{
return "<NO_NAME>";
}
}
}
public async Task<Boolean> AddPointToPoint(String sourceAddress, String destinationAddress)
{
var result = await IpCommand
.WithArguments($"address add local {sourceAddress} peer {destinationAddress} dev {Name}")
.ExecuteAsync();
return result.ExitCode == 0;
}
public async Task<Boolean> RemoveAddress(String address)
{
var result = await IpCommand
.WithArguments($"address del {address} dev {Name}")
.ExecuteBufferedAsync();
return result.ExitCode == 0;
}
public async Task<Boolean> AddRoute(String route)
{
var result = await IpCommand
.WithArguments($"route add {route} dev {Name}")
.ExecuteAsync();
return result.ExitCode == 0;
}
public async Task<Boolean> RemoveRoute(String route)
{
var result = await IpCommand
.WithArguments($"route del {route} dev {Name}")
.ExecuteAsync();
return result.ExitCode == 0;
}
public static async Task<IReadOnlyList<Nic>> GetNetworkInterfaces()
{
try
{
var result = await IpCommand
.WithArguments("-details -pretty -json address")
.ExecuteBufferedAsync();
return JsonNode
.Parse(result.StandardOutput)!
.AsArray()
.Where(n=>n != null)
.Select(n=> new Nic(n!))
.ToList();
}
catch
{
return Array.Empty<Nic>();
}
}
}