ntpa/Ntp.Analyzer.Process/Description/PeerGraphJob.cs

//
// PeerGraphJob.cs
//
// Author:
//       Carsten Sonne Larsen <cs@innolan.dk>
//
// Copyright (c) 2013-2016 Carsten Sonne Larsen
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

using System;
using System.Collections.Generic;
using System.Linq;
using Ntp.Analyzer.Config.Graph;
using Ntp.Analyzer.Data;
using Ntp.Analyzer.Graph;
using Ntp.Analyzer.Log;
using Ntp.Analyzer.Objects;

namespace Ntp.Analyzer.Process.Description
{
    public sealed class PeerGraphJob : StreamJob
    {
        private readonly PeerGraphConfiguration config;

        public PeerGraphJob(PeerGraphConfiguration config, LogBase log)
            : base(config, log)
        {
            this.config = config;
        }

        public override bool SingleThread {
            get { return true; }
        }

        public override string JobType
        {
            get { return "Peer graphs generation"; }
        }

        public override int Priority
        {
            get { return 21; }
        }

        protected override void InternalExecute()
        {
            Host host = DataFace.Instance.Hosts.SingleOrDefault (h => h.Id == config.HostId);

            if (host == null) {
                Log.WriteLine (String.Format (
                    "Host with ID {0} was not found in database. ", config.HostId),
                    Severity.Warn);
                return;
            }

            foreach (NtpConfEntry entry in DataFace.Instance.NtpConfigCache[config.ConfigFile])
            {
                IEnumerable<Peer> peers = DataFace.Instance.Peers.Where(p => p.Ip == entry.Address.ToString());
                if (peers.Count() == 0)
                {
                    Log.WriteLine("Peer not found in database: " + entry.Name, Severity.Warn);
                    continue;
                }
                else if (peers.Count() > 1)
                {
                    Log.WriteLine("Ambiguous peer IP. Multiple occurrences found in database: " + entry.Name, Severity.Warn);
                    continue;
                }

                Peer peer = peers.Single();

                PeerGraph graph = new PeerGraph(config, host, peer);

                string name = peer.Server != null ? peer.Server.Name : peer.Name;
                string file = name.Replace('.', '-') + ".png";

                SaveStream(graph, file);
            }
        }
    }
}