Refactor only: serve stats objects directly through StatsManager singleton

OpenSim/Framework/Communications/LoginService.cs

@@ -48,8 +48,6 @@ namespace OpenSim.Framework.UserManagement
         protected UserManagerBase m_userManager = null;
         protected Mutex m_loginMutex = new Mutex(false);     
         
-        protected UserStatsReporter m_statsCollector;        
-        
         /// <summary>
         /// Used during login to send the skeleton of the OpenSim Library to the client.
         /// </summary>
@@ -60,16 +58,12 @@ namespace OpenSim.Framework.UserManagement
         /// </summary>
         /// <param name="userManager"></param>
         /// <param name="libraryRootFolder"></param>
-        /// <param name="statsCollector">
-        /// An object for collecting statistical information.  
-        /// Can be null if statistics are not required</param>
         /// <param name="welcomeMess"></param>
         public LoginService(UserManagerBase userManager, LibraryRootFolder libraryRootFolder, 
-                            UserStatsReporter statsCollector, string welcomeMess)
+                            string welcomeMess)
         {
             m_userManager = userManager;
             m_libraryRootFolder = libraryRootFolder;
-            m_statsCollector = statsCollector;
             
             if (welcomeMess != String.Empty)
             {
@@ -226,8 +220,8 @@ namespace OpenSim.Framework.UserManagement
                         CommitAgent(ref userProfile);
                         
                         // If we reach this point, then the login has successfully logged onto the grid
-                        if (m_statsCollector != null)
+                        if (StatsManager.UserStats != null)
-                            m_statsCollector.AddSuccessfulLogin();
+                            StatsManager.UserStats.AddSuccessfulLogin();
                         
                         return logResponse.ToXmlRpcResponse();
                     }
@@ -358,8 +352,8 @@ namespace OpenSim.Framework.UserManagement
                         CommitAgent(ref userProfile);
                         
                         // If we reach this point, then the login has successfully logged onto the grid
-                        if (m_statsCollector != null)
+                        if (StatsManager.UserStats != null)
-                            m_statsCollector.AddSuccessfulLogin();                        
+                            StatsManager.UserStats.AddSuccessfulLogin();                        
 
                         return logResponse.ToLLSDResponse();
                     }

OpenSim/Framework/Communications/UserManagerBase.cs

@@ -45,17 +45,6 @@ namespace OpenSim.Framework.UserManagement
     {
         public UserConfig _config;
         private Dictionary<string, IUserData> _plugins = new Dictionary<string, IUserData>();
-        protected UserStatsReporter _stats;
-
-        /// <summary>
-        /// Constructor.
-        /// </summary>
-        /// <param name="statsCollector">Can be null if stats collection is not required.
-        /// </param>
-        public UserManagerBase(UserStatsReporter statsCollector)            
-        {
-            _stats = statsCollector;
-        }
         
         /// <summary>
         /// Adds a new user server plugin - user servers will be requested in the order they were loaded.
@@ -435,8 +424,8 @@ namespace OpenSim.Framework.UserManagement
         /// <param name="posz"></param>
         public void LogOffUser(LLUUID userid, LLUUID regionid, ulong regionhandle, float posx, float posy, float posz)
         {
-            if (_stats != null)
+            if (StatsManager.UserStats != null)
-                _stats.AddLogout();
+                StatsManager.UserStats.AddLogout();
             
             UserProfileData userProfile;
             UserAgentData userAgent;

OpenSim/Framework/Statistics/AssetStatsReporter.cs

@@ -30,7 +30,7 @@ using System;
 using System.Text;
 using System.Timers;
 
-namespace OpenSim.Grid.AssetServer
+namespace OpenSim.Framework.Statistics
 {
     /// <summary>
     /// Collects and reports information on the requests made to the asset server

OpenSim/Framework/Statistics/StatsManager.cs

@@ -33,19 +33,39 @@ namespace OpenSim.Framework.Statistics
     /// </summary>
     public class StatsManager
     {
+        private static AssetStatsReporter assetStats;
+        private static UserStatsReporter userStats;
         private static SimExtraStatsReporter simExtraStats;                
         
+        public static AssetStatsReporter AssetStats { get { return assetStats; } }
+        public static UserStatsReporter UserStats { get { return userStats; } }
         public static SimExtraStatsReporter SimExtraStats { get { return simExtraStats; } }
         
-        private StatsManager()
+        private StatsManager() {}
+        
+        /// <summary>
+        /// Start collecting statistics related to assets.
+        /// Should only be called once.
+        /// </summary>        
+        public static void StartCollectingAssetStats()
         {
+            assetStats = new AssetStatsReporter();
         }
         
         /// <summary>
-        /// Start recording statistics.  Should only be called once - calling again will reset statistic
+        /// Start collecting statistics related to users.
-        /// counts.
+        /// Should only be called once.
         /// </summary>        
-        public static void StartCollecting()
+        public static void StartCollectingUserStats()
+        {
+            userStats = new UserStatsReporter();
+        }        
+        
+        /// <summary>
+        /// Start collecting extra sim statistics apart from those collected for the client.  
+        /// Should only be called once.
+        /// </summary>
+        public static void StartCollectingSimExtraStats()
         {
             simExtraStats = new SimExtraStatsReporter();
         }

OpenSim/Grid/AssetServer/Main.cs

@@ -54,8 +54,6 @@ namespace OpenSim.Grid.AssetServer
         
         private IAssetProvider m_assetProvider;    
 
-        protected AssetStatsReporter m_stats;      
-
         [STAThread]
         public static void Main(string[] args)
         {
@@ -101,9 +99,9 @@ namespace OpenSim.Grid.AssetServer
             m_console.Verbose("ASSET", "Starting HTTP process");
             BaseHttpServer httpServer = new BaseHttpServer(m_config.HttpPort);
             
-            m_stats = new AssetStatsReporter();
+            StatsManager.StartCollectingAssetStats();
 
-            httpServer.AddStreamHandler(new GetAssetStreamHandler(this, m_assetProvider, m_stats));
+            httpServer.AddStreamHandler(new GetAssetStreamHandler(this, m_assetProvider));
             httpServer.AddStreamHandler(new PostAssetStreamHandler(this, m_assetProvider));
 
             httpServer.Start();
@@ -184,7 +182,7 @@ namespace OpenSim.Grid.AssetServer
                     break;
                     
                 case "stats":
-                    m_console.Notice("STATS", Environment.NewLine + m_stats.Report());
+                    m_console.Notice("STATS", Environment.NewLine + StatsManager.AssetStats.Report());
                     break;
 
                 case "shutdown":

OpenSim/Grid/AssetServer/RestService.cs

@@ -43,22 +43,18 @@ namespace OpenSim.Grid.AssetServer
     {
         private OpenAsset_Main m_assetManager;
         private IAssetProvider m_assetProvider;
-        private AssetStatsReporter m_stats;
 
         /// <summary>
         /// Constructor.
         /// </summary>
         /// <param name="assetManager"></param>
         /// <param name="assetProvider"></param>
-        /// <param name="stats">Can be null if stats collection isn't required</param>
+        public GetAssetStreamHandler(OpenAsset_Main assetManager, IAssetProvider assetProvider)
-        public GetAssetStreamHandler(OpenAsset_Main assetManager, IAssetProvider assetProvider,
-                                     AssetStatsReporter stats)
             : base("GET", "/assets")
         {
             MainLog.Instance.Verbose("REST", "In Get Request");
             m_assetManager = assetManager;
             m_assetProvider = assetProvider;
-            m_stats = stats;
         }
         
         public override byte[] Handle(string path, Stream request)
@@ -80,8 +76,8 @@ namespace OpenSim.Grid.AssetServer
                         return result;
                     }   
     
-                    if (m_stats != null)
+                    if (StatsManager.AssetStats != null)
-                        m_stats.AddRequest();
+                        StatsManager.AssetStats.AddRequest();
                     
                     AssetBase asset = m_assetProvider.FetchAsset(assetID);
                     if (asset != null)
@@ -107,8 +103,8 @@ namespace OpenSim.Grid.AssetServer
                     }
                     else
                     {
-                        if (m_stats != null)
+                        if (StatsManager.AssetStats != null)
-                            m_stats.AddNotFoundRequest();
+                            StatsManager.AssetStats.AddNotFoundRequest();
                         
                         MainLog.Instance.Verbose("REST", "GET:/asset failed to find {0}", assetID);
                     }

OpenSim/Grid/UserServer/Main.cs

@@ -48,8 +48,6 @@ namespace OpenSim.Grid.UserServer
         public UserLoginService m_loginService;
         public MessageServersConnector m_messagesService;        
 
-        protected UserStatsReporter m_stats;        
-
         private LogBase m_console;
         private LLUUID m_lastCreatedUser = LLUUID.Random();
 
@@ -89,15 +87,15 @@ namespace OpenSim.Grid.UserServer
         {
             Cfg = new UserConfig("USER SERVER", (Path.Combine(Util.configDir(), "UserServer_Config.xml")));
             
-            m_stats = new UserStatsReporter();            
+            StatsManager.StartCollectingUserStats();
 
             MainLog.Instance.Verbose("REGION", "Establishing data connection");
-            m_userManager = new UserManager(m_stats);
+            m_userManager = new UserManager();            
             m_userManager._config = Cfg;
             m_userManager.AddPlugin(Cfg.DatabaseProvider);            
 
             m_loginService = new UserLoginService(
-                 m_userManager, new LibraryRootFolder(), m_stats, Cfg, Cfg.DefaultStartupMsg);
+                 m_userManager, new LibraryRootFolder(), Cfg, Cfg.DefaultStartupMsg);
 
             m_messagesService = new MessageServersConnector(MainLog.Instance);
 
@@ -199,7 +197,7 @@ namespace OpenSim.Grid.UserServer
                     break;
                     
                 case "stats":
-                    MainLog.Instance.Notice("STATS", Environment.NewLine + m_stats.Report());
+                    MainLog.Instance.Notice("STATS", Environment.NewLine + StatsManager.UserStats.Report());
                     break;                    
 
                 case "test-inventory":

OpenSim/Grid/UserServer/UserLoginService.cs

@@ -55,8 +55,8 @@ namespace OpenSim.Grid.UserServer
 
         public UserLoginService(
             UserManagerBase userManager, LibraryRootFolder libraryRootFolder, 
-            UserStatsReporter statsCollector, UserConfig config, string welcomeMess)
+            UserConfig config, string welcomeMess)
-            : base(userManager, libraryRootFolder, statsCollector, welcomeMess)
+            : base(userManager, libraryRootFolder, welcomeMess)
         {
             m_config = config;
         }

OpenSim/Grid/UserServer/UserManager.cs

@@ -39,15 +39,6 @@ namespace OpenSim.Grid.UserServer
 {
     public class UserManager : UserManagerBase
     {            
-        /// <summary>
-        /// Constructor.
-        /// </summary>
-        /// <param name="statsCollector">Can be null if stats collection is not required.
-        /// </param>
-        public UserManager(UserStatsReporter statsCollector) : base(statsCollector)       
-        {
-        }        
-
         /// <summary>
         /// Deletes an active agent session
         /// </summary>

OpenSim/Region/Application/OpenSimMain.cs

@@ -304,7 +304,7 @@ namespace OpenSim
             m_log = CreateLog();
             MainLog.Instance = m_log;          
 
-            StatsManager.StartCollecting();
+            StatsManager.StartCollectingSimExtraStats();
             
             // Do baseclass startup sequence: OpenSim.Region.ClientStack.RegionApplicationBase.StartUp
             // TerrainManager, StorageManager, HTTP Server
@@ -320,7 +320,7 @@ namespace OpenSim
 
                 LocalUserServices userService =
                     new LocalUserServices(m_networkServersInfo, m_networkServersInfo.DefaultHomeLocX,
-                                          m_networkServersInfo.DefaultHomeLocY, inventoryService, null);
+                                          m_networkServersInfo.DefaultHomeLocY, inventoryService);
                 userService.AddPlugin(m_standaloneUserPlugin);
 
                 LocalBackEndServices backendService = new LocalBackEndServices();
@@ -333,7 +333,7 @@ namespace OpenSim
                 // TODO No user stats collection yet for standalone
                 m_loginService =
                     new LocalLoginService(userService, m_standaloneWelcomeMessage, localComms, m_networkServersInfo,
-                                          null, m_standaloneAuthenticate);
+                                          m_standaloneAuthenticate);
                 m_loginService.OnLoginToRegion += backendService.AddNewSession;
 
                 // XMLRPC action

OpenSim/Region/Communications/Local/LocalLoginService.cs

@@ -55,8 +55,8 @@ namespace OpenSim.Region.Communications.Local
 
         public LocalLoginService(UserManagerBase userManager, string welcomeMess, 
                                  CommunicationsLocal parent, NetworkServersInfo serversInfo, 
-                                 UserStatsReporter statsCollector, bool authenticate)
+                                 bool authenticate)
-            : base(userManager, parent.UserProfileCacheService.libraryRoot, statsCollector, welcomeMess)
+            : base(userManager, parent.UserProfileCacheService.libraryRoot, welcomeMess)
         {
             m_Parent = parent;
             this.serversInfo = serversInfo;

OpenSim/Region/Communications/Local/LocalUserServices.cs

@@ -52,8 +52,7 @@ namespace OpenSim.Region.Communications.Local
         /// <param name="inventoryService"></param>
         /// <param name="statsCollector">Can be null if stats collection is not required.</param>
         public LocalUserServices(NetworkServersInfo serversInfo, uint defaultHomeLocX, uint defaultHomeLocY,
-                                 IInventoryServices inventoryService, UserStatsReporter statsCollector)
+                                 IInventoryServices inventoryService)
-            : base(statsCollector)
         {
             m_serversInfo = serversInfo;
 

OpenSim/Region/Examples/SimpleApp/Program.cs

@@ -77,7 +77,7 @@ namespace SimpleApp
 
             LocalUserServices userService =
                 new LocalUserServices(m_networkServersInfo, m_networkServersInfo.DefaultHomeLocX,
-                                      m_networkServersInfo.DefaultHomeLocY, inventoryService, null);
+                                      m_networkServersInfo.DefaultHomeLocY, inventoryService);
             userService.AddPlugin(m_userPlugin);
 
             LocalBackEndServices backendService = new LocalBackEndServices();
@@ -89,7 +89,7 @@ namespace SimpleApp
 
             LocalLoginService loginService =
                 new LocalLoginService(
-                    userService, String.Empty, localComms, m_networkServersInfo, null, false);
+                    userService, String.Empty, localComms, m_networkServersInfo, false);
             loginService.OnLoginToRegion += backendService.AddNewSession;
 
             m_httpServer.AddXmlRPCHandler("login_to_simulator", loginService.XmlRpcLoginMethod);