From 8e1e8a0920a9e94305619e9afb8e053b4daefb89 Mon Sep 17 00:00:00 2001
From: Justin Clark-Casey (justincc)
Date: Mon, 12 Jan 2015 20:56:37 +0000
Subject: Make the performance controlling job processing threads introduced in
 conference code use a generic JobEngine class rather than 4 slightly
 different copy/pasted versions.

---
 OpenSim/Framework/Monitoring/WorkManager.cs | 76 ++++++++++++++++++++++++++++-
 1 file changed, 74 insertions(+), 2 deletions(-)

(limited to 'OpenSim/Framework/Monitoring/WorkManager.cs')

diff --git a/OpenSim/Framework/Monitoring/WorkManager.cs b/OpenSim/Framework/Monitoring/WorkManager.cs
index 9d0eefc..134661b 100644
--- a/OpenSim/Framework/Monitoring/WorkManager.cs
+++ b/OpenSim/Framework/Monitoring/WorkManager.cs
@@ -57,7 +57,29 @@ namespace OpenSim.Framework.Monitoring
 
         static WorkManager()
         {
-            JobEngine = new JobEngine();
+            JobEngine = new JobEngine("Non-blocking non-critical job engine", "JOB ENGINE");
+
+            StatsManager.RegisterStat(
+                new Stat(
+                    "JobsWaiting",
+                    "Number of jobs waiting for processing.",
+                    "",
+                    "",
+                    "server",
+                    "jobengine",
+                    StatType.Pull,
+                    MeasuresOfInterest.None,
+                    stat => stat.Value = JobEngine.JobsWaiting,
+                    StatVerbosity.Debug));
+
+            MainConsole.Instance.Commands.AddCommand(
+                "Debug",
+                false,
+                "debug jobengine",
+                "debug jobengine <start|stop|status|log>",
+                "Start, stop, get status or set logging level of the job engine.",
+                "If stopped then all outstanding jobs are processed immediately.",
+                HandleControlCommand);
         }
 
         /// <summary>
@@ -200,7 +222,7 @@ namespace OpenSim.Framework.Monitoring
             }
 
             if (JobEngine.IsRunning)
-                JobEngine.QueueRequest(name, callback, obj);
+                JobEngine.QueueJob(name, () => callback(obj));
             else if (canRunInThisThread)
                 callback(obj);
             else if (mustNotTimeout)
@@ -208,5 +230,55 @@ namespace OpenSim.Framework.Monitoring
             else
                 Util.FireAndForget(callback, obj, name);
         }
+
+        private static void HandleControlCommand(string module, string[] args)
+        {
+            //            if (SceneManager.Instance.CurrentScene != null && SceneManager.Instance.CurrentScene != m_udpServer.Scene)
+            //                return;
+
+            if (args.Length < 3)
+            {
+                MainConsole.Instance.Output("Usage: debug jobengine <stop|start|status|log>");
+                return;
+            }
+
+            string subCommand = args[2];
+
+            if (subCommand == "stop")
+            {
+                JobEngine.Stop();
+                MainConsole.Instance.OutputFormat("Stopped job engine.");
+            }
+            else if (subCommand == "start")
+            {
+                JobEngine.Start();
+                MainConsole.Instance.OutputFormat("Started job engine.");
+            }
+            else if (subCommand == "status")
+            {
+                MainConsole.Instance.OutputFormat("Job engine running: {0}", JobEngine.IsRunning);
+
+                JobEngine.Job job = JobEngine.CurrentJob;
+                MainConsole.Instance.OutputFormat("Current job {0}", job != null ? job.Name : "none");
+
+                MainConsole.Instance.OutputFormat(
+                    "Jobs waiting: {0}", JobEngine.IsRunning ? JobEngine.JobsWaiting.ToString() : "n/a");
+                MainConsole.Instance.OutputFormat("Log Level: {0}", JobEngine.LogLevel);
+            }
+            else if (subCommand == "log")
+            {
+                //                int logLevel;
+                int logLevel = int.Parse(args[3]);
+                //                if (ConsoleUtil.TryParseConsoleInt(MainConsole.Instance, args[4], out logLevel))
+                //                {                 
+                JobEngine.LogLevel = logLevel;
+                MainConsole.Instance.OutputFormat("Set debug log level to {0}", JobEngine.LogLevel);
+                //                }
+            }
+            else 
+            {
+                MainConsole.Instance.OutputFormat("Unrecognized job engine subcommand {0}", subCommand);
+            }
+        }
     }
 }
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