ParentGraph.cs

using System.Text;
using System.Threading.Tasks;
 
namespace Waher.Service.IoTBroker.Admin.Topology
{
    public class ParentGraph : CommandNoParameters
    {
        public ParentGraph()
        {
        }
 
        public override string Name => "ParentGraph";
 
        public override async Task Execute(ChatState State, string[] Arguments, string OrgMessage, ResponseCallbackHandler ResponseCallback)
        {
            StringBuilder sb = new StringBuilder();
 
            sb.AppendLine("```dot");
            sb.AppendLine("digraph G {");
            sb.AppendLine("rankdir=LR");
            sb.Append('"');
            sb.Append(IoTGateway.Setup.XmppConfiguration.Instance.Host);
            sb.Append("\" -> \"");
            sb.Append(string.IsNullOrEmpty(IoTGateway.Gateway.Domain) ? IoTGateway.Gateway.XmppClient.BareJID : IoTGateway.Gateway.Domain.Value);
            sb.AppendLine("\" [dir=back];");
            sb.AppendLine("}");
            sb.AppendLine("```");
 
            await ResponseCallback(sb.ToString(), string.Empty);
        }
 
        public override string[] HelpParagraphs => new string[] { "Returns a GraphViz graph of the current broker connected to its parent broker. Consolidating responses from multiple brokers generates a topology graph of all brokers." };
    }
}