lmxopcua/tools/opcuacli-dotnet/Commands/ConnectCommand.cs

using CliFx;
using CliFx.Attributes;
using CliFx.Infrastructure;

namespace OpcUaCli.Commands;

[Command("connect", Description = "Test connection to an OPC UA server")]
public class ConnectCommand : ICommand
{
    [CommandOption("url", 'u', Description = "OPC UA server endpoint URL", IsRequired = true)]
    public string Url { get; init; } = default!;

    public async ValueTask ExecuteAsync(IConsole console)
    {
        using var session = await OpcUaHelper.ConnectAsync(Url);
        await console.Output.WriteLineAsync($"Connected to: {session.Endpoint.EndpointUrl}");
        await console.Output.WriteLineAsync($"Server: {session.Endpoint.Server!.ApplicationName}");
        await console.Output.WriteLineAsync($"Security Mode: {session.Endpoint.SecurityMode}");
        await console.Output.WriteLineAsync($"Security Policy: {session.Endpoint.SecurityPolicyUri}");
        await console.Output.WriteLineAsync("Connection successful.");
    }
}