From 76ca0963847d75d2d7233ad965c74e50a09d6dce Mon Sep 17 00:00:00 2001
From: Melanie Thielker
Date: Wed, 1 Apr 2009 12:13:42 +0000
Subject: Add a PIDFile in [Startup], which the PID will be written to

---
 OpenSim/Framework/Servers/BaseOpenSimServer.cs | 36 ++++++++++++++++++++++++++
 OpenSim/Region/Application/OpenSimBase.cs      | 10 ++++++-
 bin/OpenSim.ini.example                        |  3 +++
 3 files changed, 48 insertions(+), 1 deletion(-)

diff --git a/OpenSim/Framework/Servers/BaseOpenSimServer.cs b/OpenSim/Framework/Servers/BaseOpenSimServer.cs
index 8ede8f5..9794a10 100644
--- a/OpenSim/Framework/Servers/BaseOpenSimServer.cs
+++ b/OpenSim/Framework/Servers/BaseOpenSimServer.cs
@@ -73,6 +73,8 @@ namespace OpenSim.Framework.Servers
         /// </summary>
         protected string m_version;
 
+        protected string m_pidFile = String.Empty;
+
         protected BaseHttpServer m_httpServer;
         public BaseHttpServer HttpServer
         {
@@ -278,6 +280,7 @@ namespace OpenSim.Framework.Servers
             ShutdownSpecific();
             
             m_log.Info("[SHUTDOWN]: Shutdown processing on main thread complete.  Exiting...");
+            RemovePIDFile();
             
             Environment.Exit(0);
         }
@@ -433,5 +436,38 @@ namespace OpenSim.Framework.Servers
 
             m_version += string.IsNullOrEmpty(buildVersion) ? "      " : ("." + buildVersion + "     ").Substring(0, 6);
         }
+        
+        protected void CreatePIDFile(string path)
+        {
+            try
+            {
+                string pidstring = System.Diagnostics.Process.GetCurrentProcess().Id.ToString();
+                FileStream fs = File.Create(path);
+                System.Text.ASCIIEncoding enc = new System.Text.ASCIIEncoding();
+                Byte[] buf = enc.GetBytes(pidstring);
+                fs.Write(buf, 0, buf.Length);
+                fs.Close();
+                m_pidFile = path;
+            }
+            catch (Exception)
+            {
+            }
+        }
+
+            
+        protected void RemovePIDFile()
+        {
+            if (m_pidFile != String.Empty)
+            {
+                try
+                {
+                    File.Delete(m_pidFile);
+                    m_pidFile = String.Empty;
+                }
+                catch (Exception)
+                {
+                }
+            }
+        }
     }
 }
diff --git a/OpenSim/Region/Application/OpenSimBase.cs b/OpenSim/Region/Application/OpenSimBase.cs
index ffabdd8..4cdb074 100644
--- a/OpenSim/Region/Application/OpenSimBase.cs
+++ b/OpenSim/Region/Application/OpenSimBase.cs
@@ -188,6 +188,14 @@ namespace OpenSim
         /// </summary>
         protected override void StartupSpecific()
         {
+            IConfig startupConfig = m_config.Source.Configs["Startup"];
+            if (startupConfig != null)
+            {
+                string pidFile = startupConfig.GetString("PIDFile", String.Empty);
+                if (pidFile != String.Empty)
+                    CreatePIDFile(pidFile);
+            }
+
             base.StartupSpecific();
 
             m_stats = StatsManager.StartCollectingSimExtraStats();
@@ -857,4 +865,4 @@ namespace OpenSim
             }
         }
     }
-}
\ No newline at end of file
+}
diff --git a/bin/OpenSim.ini.example b/bin/OpenSim.ini.example
index 9937cb9..7b2d370 100644
--- a/bin/OpenSim.ini.example
+++ b/bin/OpenSim.ini.example
@@ -7,6 +7,9 @@
     ; (eg default is /opensimdir/crashes/*.txt or C:\opensim\crashes\*.txt)
     crash_dir = "crashes"
 
+    ; Place to create a PID file
+    ; PIDFile = "/tmp/my.pid"
+
     ; Http proxy support for llHTTPRequest and dynamic texture loading
     ; Set HttpProxy to the URL for your proxy server if you would like
     ; to proxy llHTTPRequests through a firewall
-- 
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