a few changes on assets store and exists return

Update AvatarFactoryModule.cs

OpenSim/Addons/os-webrtc-janus/WebRtcVoiceRegionModule/WebRtcVoiceRegionModule.cs

@@ -417,7 +417,7 @@ namespace osWebRtcVoice
                         m_log.Warn($"{LogHeader}[ProvisionVoice]: Request detail: {map}");
 
                     response.RawBuffer = llsdUndefAnswerBytes;
-                    response.StatusCode = (int)HttpStatusCode.OK;
+                    response.StatusCode = 0;
                     return;
                 }
             }

OpenSim/Data/MySQL/MySQLAssetData.cs

@@ -253,7 +253,7 @@ namespace OpenSim.Data.MySQL
         public override bool[] AssetsExist(UUID[] uuids)
         {
             if (uuids.Length == 0)
-                return new bool[0];
+                return [];
 
             HashSet<UUID> exist = new HashSet<UUID>();
 

OpenSim/Data/MySQL/MySQLXAssetData.cs

@@ -401,7 +401,7 @@ namespace OpenSim.Data.MySQL
         public bool[] AssetsExist(UUID[] uuids)
         {
             if (uuids.Length == 0)
-                return new bool[0];
+                return [];
 
             HashSet<UUID> exists = new HashSet<UUID>();
 

OpenSim/Data/PGSQL/PGSQLAssetData.cs

@@ -239,7 +239,7 @@ namespace OpenSim.Data.PGSQL
         public override bool[] AssetsExist(UUID[] uuids)
         {
             if (uuids.Length == 0)
-                return new bool[0];
+                return [];
 
             HashSet<UUID> exist = new HashSet<UUID>();
 

OpenSim/Data/PGSQL/PGSQLEstateData.cs

@@ -352,12 +352,12 @@ namespace OpenSim.Data.PGSQL
 
                     //Insert after
                     cmd.CommandText = "insert into estateban (\"EstateID\", \"bannedUUID\",\"bannedIp\", \"bannedIpHostMask\", \"bannedNameMask\", \"banningUUID\",\"banTime\" ) values ( :EstateID, :bannedUUID, '','','', :banningUUID, :banTime )";
-                    cmd.Parameters.AddWithValue("bannedUUID", Guid.Empty);
                     foreach (EstateBan b in es.EstateBans)
                     {
+                        cmd.Parameters.Clear();
                         cmd.Parameters["EstateID"].Value = b.EstateID;
-                        cmd.Parameters["bannedUUID"].Value = b.BannedUserID.Guid;
-                        cmd.Parameters["banningUUID"].Value = b.BanningUserID.Guid;
+                        cmd.Parameters["bannedUUID"].Value = _Database.CreateParameter("bannedUUID", b.BannedUserID).Value;
+                        cmd.Parameters["banningUUID"].Value = _Database.CreateParameter("banningUUID", b.BanningUserID).Value;
                         cmd.Parameters["banTime"].Value = b.BanTime;
 
                         cmd.ExecuteNonQuery();
@@ -378,10 +378,10 @@ namespace OpenSim.Data.PGSQL
                     cmd.ExecuteNonQuery();
 
                     cmd.CommandText = string.Format("insert into {0} (\"EstateID\", uuid) values ( :EstateID, :uuid )", table);
-                    cmd.Parameters.AddWithValue("uuid", Guid.Empty);
                     foreach (UUID uuid in data)
                     {
-                        cmd.Parameters["uuid"].Value = uuid.Guid; //.ToString(); //TODO check if this works
+                        cmd.Parameters.Clear();
+                        cmd.Parameters.Add(_Database.CreateParameter("uuid", uuid));
                         cmd.ExecuteNonQuery();
                     }
                 }

OpenSim/Data/PGSQL/PGSQLGenericTableHandler.cs

@@ -134,10 +134,13 @@ namespace OpenSim.Data.PGSQL
 
             foreach (DataRow row in schemaTable.Rows)
             {
-                if (row["ColumnName"] != null &&
-                        (!m_Fields.ContainsKey(row["ColumnName"].ToString())))
-                    m_ColumnNames.Add(row["ColumnName"].ToString());
+                if (row["ColumnName"] == null)
+                    continue;
 
+                string col = row["ColumnName"].ToString();
+
+                if (!m_Fields.ContainsKey(col))
+                    m_ColumnNames.Add(col);
             }
         }
 

OpenSim/Data/PGSQL/PGSQLXInventoryData.cs

@@ -171,7 +171,7 @@ namespace OpenSim.Data.PGSQL
                 {
                     // cmd.CommandText = String.Format(@"select * from inventoryitems where ""avatarID"" = :uuid and ""assetType"" = :type and ""flags"" = 1", m_Realm);
 
-                    cmd.CommandText = "select * from inventoryitems where avatarID = :uuid and assetType = :type and flags = 1";
+                    cmd.CommandText = "select * from inventoryitems where \"avatarID\" = :uuid and \"assetType\" = :type and \"flags\" = 1";
 
                     cmd.Parameters.Add(m_database.CreateParameter("uuid", principalID));
                     cmd.Parameters.Add(m_database.CreateParameter("type", (int)AssetType.Gesture));

OpenSim/Data/SQLite/SQLiteAssetData.cs

@@ -147,7 +147,8 @@ namespace OpenSim.Data.SQLite
             }
 
             //m_log.Info("[ASSET DB]: Creating Asset " + asset.FullID.ToString());
-            if (AssetsExist(new[] { asset.FullID })[0])
+            bool[] assetsExist = AssetsExist([ asset.FullID ]);
+            if (assetsExist.Length > 0 && assetsExist[0])
             {
                 //LogAssetLoad(asset);
 
@@ -218,7 +219,7 @@ namespace OpenSim.Data.SQLite
         public override bool[] AssetsExist(UUID[] uuids)
         {
             if (uuids.Length == 0)
-                return new bool[0];
+                return [];
 
             HashSet<UUID> exist = new HashSet<UUID>();
 

OpenSim/Framework/AvatarAppearance.cs

@@ -916,18 +916,17 @@ namespace OpenSim.Framework
             {
                 // Wearables
                 OSD tmpOSD8;
-                OSDArray wears8 = null;
                 int wears8Count = 0;
 
-                if (data.TryGetValue("wrbls8", out tmpOSD8) && (tmpOSD8 is OSDArray))
+                if (data.TryGetValue("wrbls8", out tmpOSD8) && (tmpOSD8 is OSDArray wears8))
                 {
-                    wears8 = (OSDArray)tmpOSD8;
                     wears8Count = wears8.Count;
                 }
+                else
+                    wears8 = null;
 
-                if (data.TryGetValue("wearables", out tmpOSD) && (tmpOSD is OSDArray))
+                if (data.TryGetValue("wearables", out tmpOSD) && (tmpOSD is OSDArray wears))
                 {
-                    OSDArray wears = (OSDArray)tmpOSD;
                     if(wears.Count + wears8Count > 0)
                     {
                         m_wearables = new AvatarWearable[wears.Count + wears8Count];
@@ -948,9 +947,8 @@ namespace OpenSim.Framework
                     Primitive.TextureEntry te = new Primitive.TextureEntry(teb, 0, teb.Length);
                     m_texture = te;
                 }
-                else if (data.TryGetValue("textures", out tmpOSD) && (tmpOSD is OSDArray))
+                else if (data.TryGetValue("textures", out tmpOSD) && (tmpOSD is OSDArray textures))
                 {
-                    OSDArray textures = (OSDArray)tmpOSD;
                     for (int i = 0; i < textures.Count && i < TEXTURE_COUNT_PV7; ++i)
                     {
                         tmpOSD = textures[i];
@@ -959,26 +957,12 @@ namespace OpenSim.Framework
                     }
                 }
 
-                if (data.TryGetValue("bakedcache", out tmpOSD) && (tmpOSD is OSDArray))
+                if (data.TryGetValue("bakedcache", out tmpOSD) && (tmpOSD is OSDArray bakedOSDArray))
                 {
-                    OSDArray bakedOSDArray = (OSDArray)tmpOSD;
                     m_cacheitems = WearableCacheItem.GetDefaultCacheItem();
-
-                    bakedOSDArray = (OSDArray)tmpOSD;
-                    foreach (OSDMap item in bakedOSDArray)
+                    foreach (OSD oitem in bakedOSDArray)
                     {
-                        int idx = item["textureindex"].AsInteger();
-                        if (idx < 0 || idx >= m_cacheitems.Length)
-                            continue;
-                        m_cacheitems[idx].CacheId = item["cacheid"].AsUUID();
-                        m_cacheitems[idx].TextureID = item["textureid"].AsUUID();
-                        m_cacheitems[idx].TextureAsset = null;
-                    }
-
-                    if (data.TryGetValue("bc8", out tmpOSD) && (tmpOSD is OSDArray))
-                    {
-                        bakedOSDArray = (OSDArray)tmpOSD;
-                        foreach (OSDMap item in bakedOSDArray)
+                        if(oitem is OSDMap item)
                         {
                             int idx = item["textureindex"].AsInteger();
                             if (idx < 0 || idx >= m_cacheitems.Length)
@@ -988,6 +972,22 @@ namespace OpenSim.Framework
                             m_cacheitems[idx].TextureAsset = null;
                         }
                     }
+
+                    if (data.TryGetValue("bc8", out tmpOSD) && (tmpOSD is OSDArray))
+                    {
+                        foreach (OSD oitem in bakedOSDArray)
+                        {
+                            if(oitem is OSDMap item)
+                            {
+                                int idx = item["textureindex"].AsInteger();
+                                if (idx < 0 || idx >= m_cacheitems.Length)
+                                    continue;
+                                m_cacheitems[idx].CacheId = item["cacheid"].AsUUID();
+                                m_cacheitems[idx].TextureID = item["textureid"].AsUUID();
+                                m_cacheitems[idx].TextureAsset = null;
+                            }
+                        }
+                    }
                 }
 
                 // Visual Parameters
@@ -1002,9 +1002,8 @@ namespace OpenSim.Framework
                 }
 
                 // Attachments
-                if (data.TryGetValue("attachments", out tmpOSD) && tmpOSD is OSDArray)
+                if (data.TryGetValue("attachments", out tmpOSD) && tmpOSD is OSDArray attachs)
                 {
-                    OSDArray attachs = (OSDArray)tmpOSD;
                     for (int i = 0; i < attachs.Count; i++)
                     {
                         AvatarAttachment att = new AvatarAttachment((OSDMap)attachs[i]);

OpenSim/Framework/ExpiringKey.cs

@@ -28,6 +28,7 @@ using System;
 using System.Threading;
 using System.Collections.Generic;
 using Timer = System.Threading.Timer ;
+using System.Runtime.InteropServices;
 
 namespace OpenSim.Framework
 {
@@ -168,6 +169,28 @@ namespace OpenSim.Framework
             finally { m_rwLock.ExitWriteLock(); }
         }
 
+        public bool AddOrUpdate(Tkey1 key, int expireMS)
+        {
+            int now;
+            if (expireMS > 0)
+            {
+                expireMS = (expireMS > m_expire) ? expireMS : m_expire;
+                now = (int)(Util.GetTimeStampMS() - m_startTS) + expireMS;
+            }
+            else
+                now = int.MinValue;
+
+            m_rwLock.EnterWriteLock();
+            try
+            {
+                ref int entry = ref CollectionsMarshal.GetValueRefOrAddDefault(m_dictionary, key, out bool exists);
+                entry = now;
+                CheckTimer();
+                return exists;
+            }
+            finally { m_rwLock.ExitWriteLock(); }
+        }
+
         public bool Remove(Tkey1 key)
         {
             m_rwLock.EnterWriteLock();

OpenSim/Framework/Lazy.cs

@@ -81,8 +81,7 @@ namespace OpenSim.Framework
 
         public Lazy(Func<T> valueFactory, LazyThreadSafetyMode mode)
         {
-            if (valueFactory == null)
-                throw new ArgumentNullException("valueFactory");
+            ArgumentNullException.ThrowIfNull(valueFactory);
             this.factory = valueFactory;
             if (mode != LazyThreadSafetyMode.None)
                 monitor = new object();

OpenSim/Framework/Servers/HttpServer/BaseHttpServer.cs

@@ -212,6 +212,7 @@ namespace OpenSim.Framework.Servers.HttpServer
         {
             set { m_certificateValidationCallback = value; }
         }
+        private static readonly char[] LineSeparators = ['\n','\r'];
 
         private void load_cert(string CPath, string CPass)
         {
@@ -223,13 +224,13 @@ namespace OpenSim.Framework.Servers.HttpServer
                 {
                     AsnEncodedData asndata = new AsnEncodedData(ext.Oid, ext.RawData);
                     string datastr = asndata.Format(true);
-                    string[] lines = datastr.Split(new char[] {'\n','\r'});
+                    string[] lines = datastr.Split(LineSeparators);
                     foreach(string s in lines)
                     {
-                        if(String.IsNullOrEmpty(s))
+                        if(string.IsNullOrEmpty(s))
                             continue;
-                        string[] parts = s.Split(new char[] {'='});
-                        if(String.IsNullOrEmpty(parts[0]))
+                        string[] parts = s.Split('=');
+                        if(string.IsNullOrEmpty(parts[0]))
                             continue;
                         string entryName = parts[0].Replace(" ","");
                         if(entryName == "DNSName")
@@ -1015,8 +1016,7 @@ namespace OpenSim.Framework.Servers.HttpServer
             }
             finally
             {
-                if (innerStream != null)
-                    innerStream.Dispose();
+                innerStream?.Dispose();
                 inputStream.Dispose();
             }
         }

OpenSim/Framework/Servers/HttpServer/OSHttpServer/RequestCookie.cs

@@ -22,7 +22,7 @@ namespace OSHttpServer
         public RequestCookie(string id, string content)
         {
             if (string.IsNullOrEmpty(id)) throw new ArgumentNullException("id");
-            if (content == null) throw new ArgumentNullException("content");
+            ArgumentNullException.ThrowIfNull(content);
 
             _name = id;
             _value = content;

OpenSim/Framework/Servers/HttpServer/RestSessionService.cs

@@ -79,8 +79,10 @@ namespace OpenSim.Framework.Servers.HttpServer
 
             using (MemoryStream buffer = new MemoryStream())
             {
-                XmlWriterSettings settings = new XmlWriterSettings();
-                settings.Encoding = Encoding.UTF8;
+                XmlWriterSettings settings = new()
+                {
+                    Encoding = Encoding.UTF8
+                };
 
                 using (XmlWriter writer = XmlWriter.Create(buffer, settings))
                 {
@@ -134,8 +136,7 @@ namespace OpenSim.Framework.Servers.HttpServer
 
             using (MemoryStream buffer = new MemoryStream())
             {
-                XmlWriterSettings settings = new XmlWriterSettings();
-                settings.Encoding = Encoding.UTF8;
+                XmlWriterSettings settings = new() { Encoding = Encoding.UTF8 };
 
                 using (XmlWriter writer = XmlWriter.Create(buffer, settings))
                 {
@@ -169,8 +170,7 @@ namespace OpenSim.Framework.Servers.HttpServer
                 //                m_log.DebugFormat("[REST OBJECT POSTER RESPONSE]: Received {0}", reader.ReadToEnd());
 
                 deserial = (TResponse)deserializer.Deserialize(stream);
-                if (stream != null)
-                    stream.Close();
+                stream?.Close();
 
                 if (deserial != null && ResponseCallback != null)
                 {

OpenSim/Framework/WebUtil.cs

@@ -1009,8 +1009,7 @@ namespace OpenSim.Framework
 
             HttpWebRequest request = (HttpWebRequest)WebRequest.Create(requestUrl);
 
-            if (auth != null)
-                auth.AddAuthorization(request.Headers);
+            auth?.AddAuthorization(request.Headers);
 
             request.AllowWriteStreamBuffering = false;
 

OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs

@@ -1535,10 +1535,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 catch (Exception ex)
                 {
                     m_log.Error($"Packet statistics gathering failed: {ex.Message}");
-                    if (PacketLog.Log != null)
-                    {
-                        PacketLog.Log.Close();
-                    }
+                    PacketLog?.Log?.Close();
                     PacketLog = null;
                 }
             }

OpenSim/Region/ClientStack/Linden/UDP/TokenBucket.cs

@@ -226,8 +226,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             }
 
             // Pass the new values up to the parent
-            if (m_parent != null)
-                m_parent.RegisterRequest(this, Math.Min(RequestedDripRate, TotalDripRequest));
+            m_parent?.RegisterRequest(this, Math.Min(RequestedDripRate, TotalDripRequest));
         }
 
         /// <summary>
@@ -246,8 +245,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             }
 
             // Pass the new values up to the parent
-            if (Parent != null)
-                Parent.RegisterRequest(this,Math.Min(RequestedDripRate, TotalDripRequest));
+            Parent?.RegisterRequest(this,Math.Min(RequestedDripRate, TotalDripRequest));
         }
 
         /// <summary>
@@ -351,8 +349,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
             {
                 m_dripRate = Math.Clamp(value, m_minimumFlow, MaxDripRate);
 
-                if (m_parent != null)
-                    m_parent.RegisterRequest(this, m_dripRate);
+                m_parent?.RegisterRequest(this, m_dripRate);
             }
         }
 
@@ -371,8 +368,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
                 m_dripRate = m_maxDripRate * .5f;
             else
                 m_dripRate = m_maxDripRate;
-            if (m_parent != null)
-                m_parent.RegisterRequest(this, m_dripRate);
+            m_parent?.RegisterRequest(this, m_dripRate);
         }
 
         /// <summary>
@@ -392,7 +388,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP
         public void AcknowledgePackets(Int32 count)
         {
             if (m_enabled)
-                AdjustedDripRate = AdjustedDripRate + count;
+                AdjustedDripRate += count;
         }
     }
 }

OpenSim/Region/CoreModules/Avatar/AvatarFactory/AvatarFactoryModule.cs

@@ -67,6 +67,10 @@ namespace OpenSim.Region.CoreModules.Avatar.AvatarFactory
 
         private object m_setAppearanceLock = new object();
 
+        // add throttle
+        private const int REBAKE_THROTTLE_SECONDS = 30;
+        readonly ExpiringKey<string> m_rebakeThrottle = new(500 * REBAKE_THROTTLE_SECONDS);
+        
         #region Region Module interface
 
         public void Initialise(IConfigSource config)
@@ -451,10 +455,21 @@ namespace OpenSim.Region.CoreModules.Avatar.AvatarFactory
  
             sp.Appearance.WearableCacheItems = wearableCache;
 
+            // throttle rebake requests
             if (missing.Count > 0)
             {
+                string spuuidstr = sp.UUID.ToString();
                 foreach (UUID id in missing)
+                {
+                    string key = spuuidstr + id.ToString();
+
+                    if(m_rebakeThrottle.AddOrUpdate(key, 1000 * REBAKE_THROTTLE_SECONDS))
+                        continue;
+
+                    m_log.Debug($"[AVFACTORY]: Missing baked texture {id} for {sp.Name}, requesting rebake");
+
                     sp.ControllingClient.SendRebakeAvatarTextures(id);
+                }
             }
 
             bool changed = false;

OpenSim/Region/CoreModules/Framework/UserManagement/HGUserManagementModule.cs

@@ -115,28 +115,39 @@ namespace OpenSim.Region.CoreModules.Framework.UserManagement
                 }
 
                 // This is it! Let's ask the other world
-                if (words[0].Contains("."))
+                if (words[0].Contains('.'))
                 {
                     string[] names = words[0].Split(Util.SplitDotArray);
                     if (names.Length >= 2)
                     {
-                        string uriStr = "http://" + words[1];
+                        ReadOnlySpan<char> words1lower = words[1].ToLower();
+                        string uriStr = string.Concat("http://", words1lower);
+
                         // Let's check that the last name is a valid address
-                        try
+                        if(!Uri.TryCreate(uriStr, UriKind.Absolute, out _))
                         {
-                            new Uri(uriStr);
-                        }
-                        catch (UriFormatException)
-                        {
-                            m_log.DebugFormat("[USER MANAGEMENT MODULE]: Malformed address {0}", uriStr);
+                            m_log.Debug($"[USER MANAGEMENT MODULE]: Malformed address {words1lower}");
                             return;
                         }
 
                         UUID userID = UUID.Zero;
-                        uriStr = uriStr.ToLower();
                         if(!WebUtil.GlobalExpiringBadURLs.ContainsKey(uriStr))
                         {
-                            UserAgentServiceConnector uasConn = new UserAgentServiceConnector(uriStr);
+                            UserAgentServiceConnector uasConn = new(uriStr);
+
+                            // If fail to connect with http... try with https...
+                            if (uasConn is null)
+                            {
+                                string SSLuriStr = string.Concat("https://", words1lower); // words[1] already validated
+                                uasConn = new UserAgentServiceConnector(SSLuriStr);
+                                if (uasConn is null)
+                                {
+                                    m_log.Debug($"[USER MANAGEMENT MODULE]: UserAgentServiceConnector failed to connect to {words1lower}");
+                                    return;
+                                }
+                                uriStr = SSLuriStr;
+                            }
+                            
                             try
                             {
                                 userID = uasConn.GetUUID(names[0], names[1]);
@@ -147,18 +158,20 @@ namespace OpenSim.Region.CoreModules.Framework.UserManagement
                             }
                         }
 
-                        if (!userID.Equals(UUID.Zero))
+                        if (userID.IsNotZero())
                         {
-                            UserData ud = new UserData();
-                            ud.Id = userID;
-                            ud.FirstName = words[0];
-                            ud.LastName = "@" + words[1];
+                            UserData ud = new()
+                            {
+                                Id = userID,
+                                FirstName = words[0],
+                                LastName = "@" + words[1]
+                            };
                             users.Add(ud);
                             AddUser(userID, names[0], names[1], uriStr);
-                            m_log.DebugFormat("[USER MANAGEMENT MODULE]: User {0}@{1} found", words[0], words[1]);
+                            m_log.Debug($"[USER MANAGEMENT MODULE]: User {words[0]}@{words[1]} found");
                         }
                         else
-                            m_log.DebugFormat("[USER MANAGEMENT MODULE]: User {0}@{1} not found", words[0], words[1]);
+                            m_log.Debug($"[USER MANAGEMENT MODULE]: User {words[0]}@{words[1]} not found");
                     }
                 }
             }

OpenSim/Region/CoreModules/ServiceConnectorsOut/Asset/LocalAssetServiceConnector.cs

@@ -314,8 +314,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Asset
 
         public string Store(AssetBase asset)
         {
-            if (m_Cache != null)
-                m_Cache.Cache(asset);
+            m_Cache?.Cache(asset);
 
             if (asset.Local)
             {

OpenSim/Region/CoreModules/ServiceConnectorsOut/Asset/RegionAssetConnectorModule.cs

@@ -512,7 +512,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Asset
                 return m_localConnector.AssetsExist(ids);
             else if (m_HGConnector != null)
                 return m_HGConnector.AssetsExist(ids);
-            return null;
+            return [];
         }
 
         public string Store(AssetBase asset)
@@ -524,12 +524,13 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Asset
                     return null;
 
                 id = StoreForeign(asset);
-                if (m_Cache != null)
-                {
-                    if (!string.IsNullOrEmpty(id) && !id.Equals(UUID.ZeroString))
-                        m_Cache.Cache(asset);
+                if (!string.IsNullOrEmpty(id) && !id.Equals(UUID.ZeroString))
+                { 
+                    m_Cache?.Cache(asset);
+                    return id;
                 }
-                return id;
+                else
+                    return string.Empty;
             }
 
             if (m_Cache != null)
@@ -541,10 +542,7 @@ namespace OpenSim.Region.CoreModules.ServiceConnectorsOut.Asset
 
             id = StoreLocal(asset);
 
-            if (string.IsNullOrEmpty(id))
-                return string.Empty;
-
-            return id;
+            return string.IsNullOrEmpty(id) || id.Equals(UUID.ZeroString) ? string.Empty : id;
         }
 
         [System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)]

OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs

@@ -2117,7 +2117,7 @@ namespace OpenSim.Region.CoreModules.World.Land
                     {
                         // if you do a "About Landmark" on a landmark a second time, the viewer sends the
                         // region_handle it got earlier via RegionHandleRequest
-                        ulong regionHandle = Util.BytesToUInt64Big((byte[])tmp);
+                        ulong regionHandle = tmp.AsULong();
                         if(regionHandle == myHandle)
                         {
                             ILandObject l = GetLandObjectClippedXY(x, y);

OpenSim/Region/CoreModules/World/Wind/WindModule.cs

@@ -105,11 +105,9 @@ namespace OpenSim.Region.CoreModules
             }
 
             // Check for desired plugin
-            if (m_availableWindPlugins.ContainsKey(m_dWindPluginName))
+            if (m_availableWindPlugins.TryGetValue(m_dWindPluginName, out m_activeWindPlugin))
             {
-                m_activeWindPlugin = m_availableWindPlugins[m_dWindPluginName];
-
-                m_log.InfoFormat("[WIND] {0} plugin found, initializing.", m_dWindPluginName);
+                 m_log.InfoFormat("[WIND] {0} plugin found, initializing.", m_dWindPluginName);
 
                 if (m_windConfig != null)
                 {

OpenSim/Region/OptionalModules/Avatar/Appearance/AppearanceInfoModule.cs

@@ -451,7 +451,7 @@ namespace OpenSim.Region.OptionalModules.Avatar.Appearance
                                             assetStrings[k], existChecks[k] ? "yes" : "no");
 
                                     sb.Append(cdt.ToString());
-                                    sb.Append("\n");
+                                    sb.Append('\n');
                                 }
                             }
                             else

OpenSim/Region/PhysicsModules/ubOde/ODEModule.cs

@@ -123,8 +123,7 @@ namespace OpenSim.Region.PhysicsModule.ubOde
             if (!m_Enabled)
                 return;
 
-            if(m_odeScene != null)
-                m_odeScene.RegionLoaded();
+            m_odeScene?.RegionLoaded();
 
         }
         #endregion

OpenSim/Region/PhysicsModules/ubOdeMeshing/Meshmerizer.cs

@@ -75,8 +75,8 @@ namespace OpenSim.Region.PhysicsModule.ubODEMeshing
         private bool doConvexPrims = true;
         private bool doConvexSculpts = true;
 
-        private readonly Dictionary<AMeshKey, Mesh> m_uniqueMeshes = new();
-        private readonly Dictionary<AMeshKey, Mesh> m_uniqueReleasedMeshes = new ();
+        private readonly Dictionary<AMeshKey, Mesh> m_uniqueMeshes = [];
+        private readonly Dictionary<AMeshKey, Mesh> m_uniqueReleasedMeshes = [];
 
        #region INonSharedRegionModule
         public string Name
@@ -173,7 +173,7 @@ namespace OpenSim.Region.PhysicsModule.ubODEMeshing
         /// <param name="size">Size of entire object</param>
         /// <param name="coords"></param>
         /// <param name="faces"></param>
-        private unsafe void  AddSubMesh(OSDMap subMeshData, List<Vector3> coords, List<Face> faces)
+        private unsafe void AddSubMesh(OSDMap subMeshData, List<Vector3> coords, List<Face> faces)
         {
             // Console.WriteLine("subMeshMap for {0} - {1}", primName, Util.GetFormattedXml((OSD)subMeshMap));
 
@@ -209,7 +209,7 @@ namespace OpenSim.Region.PhysicsModule.ubODEMeshing
             int faceIndexOffset = coords.Count;
 
             fixed (byte* ptrstart = posBytes)
-            { 
+            {
                 byte* end = ptrstart + posBytes.Length;
                 byte* ptr = ptrstart;
                 while (ptr < end)
@@ -1331,8 +1331,7 @@ namespace OpenSim.Region.PhysicsModule.ubODEMeshing
                 }
                 finally
                 {
-                    if(stream != null)
-                        stream.Dispose();
+                    stream?.Dispose();
                 }
 
                 if (!ok && File.Exists(filename))

OpenSim/Region/ScriptEngine/Shared/Api/Implementation/Plugins/SensorRepeat.cs

@@ -80,7 +80,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
         {
             m_CmdManager = CmdManager;
             maximumRange = CmdManager.m_ScriptEngine.Config.GetFloat("SensorMaxRange", 96.0f);
-            maximumToReturn = CmdManager.m_ScriptEngine.Config.GetInt("SensorMaxResults", 16);
+            maximumToReturn = CmdManager.m_ScriptEngine.Config.GetInt("SensorMaxResults", 32);
             m_npcModule = m_CmdManager.m_ScriptEngine.World.RequestModuleInterface<INPCModule>();
         }
 
@@ -96,7 +96,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Plugins
         private const int SCRIPTED = 8;
 
         private readonly float maximumRange = 96.0f;
-        private readonly int maximumToReturn = 16;
+        private readonly int maximumToReturn = 32;
 
         //
         // Sensed entity

OpenSim/Server/Handlers/Hypergrid/HGFriendsServerPostHandler.cs

@@ -43,6 +43,7 @@ using GridRegion = OpenSim.Services.Interfaces.GridRegion;
 using OpenSim.Framework;
 using OpenSim.Framework.Servers.HttpServer;
 using OpenMetaverse;
+using OpenMetaverse.StructuredData;
 
 namespace OpenSim.Server.Handlers.Hypergrid
 {
@@ -80,13 +81,13 @@ namespace OpenSim.Server.Handlers.Hypergrid
 
             try
             {
-                Dictionary<string, object> request =
-                        ServerUtils.ParseQueryString(body);
+                Dictionary<string, object> request = ServerUtils.ParseQueryString(body);
 
-                if (!request.ContainsKey("METHOD"))
+                object tmpObj;
+                if (!request.TryGetValue("METHOD", out tmpObj))
                     return FailureResult();
 
-                string method = request["METHOD"].ToString();
+                string method = tmpObj.ToString();
 
                 switch (method)
                 {
@@ -140,19 +141,14 @@ namespace OpenSim.Server.Handlers.Hypergrid
             if (!VerifyServiceKey(request))
                 return FailureResult();
 
-            UUID principalID = UUID.Zero;
-            if (request.ContainsKey("PRINCIPALID"))
-                UUID.TryParse(request["PRINCIPALID"].ToString(), out principalID);
-            else
+            object tmpObj;
+            if (!request.TryGetValue("PRINCIPALID", out tmpObj) || !UUID.TryParse(tmpObj.ToString(), out UUID principalID))
             {
                 m_log.WarnFormat("[HGFRIENDS HANDLER]: no principalID in request to get friend perms");
                 return FailureResult();
             }
 
-            UUID friendID = UUID.Zero;
-            if (request.ContainsKey("FRIENDID"))
-                UUID.TryParse(request["FRIENDID"].ToString(), out friendID);
-            else
+            if (!request.TryGetValue("FRIENDID", out tmpObj) || !UUID.TryParse(tmpObj.ToString(), out UUID friendID))
             {
                 m_log.WarnFormat("[HGFRIENDS HANDLER]: no friendID in request to get friend perms");
                 return FailureResult();
@@ -181,14 +177,14 @@ namespace OpenSim.Server.Handlers.Hypergrid
 
         byte[] DeleteFriendship(Dictionary<string, object> request)
         {
-            FriendInfo friend = new FriendInfo(request);
-            string secret = string.Empty;
-            if (request.ContainsKey("SECRET"))
-                secret = request["SECRET"].ToString();
+            if (request.TryGetValue("SECRET", out object tmpObj) || tmpObj is null)
+                return BoolResult(false);
 
+            string secret = tmpObj.ToString();
             if (secret.Length == 0)
                 return BoolResult(false);
 
+            FriendInfo friend = new FriendInfo(request);
             bool success = m_TheService.DeleteFriendship(friend, secret);
 
             return BoolResult(success);
@@ -196,27 +192,15 @@ namespace OpenSim.Server.Handlers.Hypergrid
 
         byte[] FriendshipOffered(Dictionary<string, object> request)
         {
-            UUID fromID = UUID.Zero;
-            UUID toID = UUID.Zero;
-            string message = string.Empty;
-            string name = string.Empty;
-
-            if (!request.ContainsKey("FromID") || !request.ContainsKey("ToID"))
+            if (!request.TryGetValue("FromID", out object FromIDobj) || !UUID.TryParse(FromIDobj.ToString(), out UUID fromID))
+                return BoolResult(false);
+            if (!request.TryGetValue("ToID", out object ToIDobj) || !UUID.TryParse(ToIDobj.ToString(), out UUID toID))
                 return BoolResult(false);
 
-            if (!UUID.TryParse(request["ToID"].ToString(), out toID))
-                return BoolResult(false);
-
-            message = request["Message"].ToString();
-
-            if (!UUID.TryParse(request["FromID"].ToString(), out fromID))
-                return BoolResult(false);
-
-            if (request.ContainsKey("FromName"))
-                name = request["FromName"].ToString();
+            string name = request.TryGetValue("FromName", out object FromNameobj) ? FromNameobj.ToString() : string.Empty;
+            string message = request.TryGetValue("Message", out object Messageobj) ? Messageobj.ToString() : string.Empty;
 
             bool success = m_TheService.FriendshipOffered(fromID, name, toID, message);
-
             return BoolResult(success);
         }
 
@@ -234,9 +218,10 @@ namespace OpenSim.Server.Handlers.Hypergrid
 
         byte[] StatusNotification(Dictionary<string, object> request)
         {
+            object tmpObj;
             UUID principalID = UUID.Zero;
-            if (request.ContainsKey("userID"))
-                UUID.TryParse(request["userID"].ToString(), out principalID);
+            if (request.TryGetValue("userID", out tmpObj))
+                UUID.TryParse(tmpObj.ToString(), out principalID);
             else
             {
                 m_log.WarnFormat("[HGFRIENDS HANDLER]: no userID in request to notify");
@@ -244,8 +229,8 @@ namespace OpenSim.Server.Handlers.Hypergrid
             }
 
             bool online = true;
-            if (request.ContainsKey("online"))
-                Boolean.TryParse(request["online"].ToString(), out online);
+            if (request.TryGetValue("online", out tmpObj))
+                bool.TryParse(tmpObj.ToString(), out online);
             else
             {
                 m_log.WarnFormat("[HGFRIENDS HANDLER]: no online in request to notify");
@@ -266,7 +251,7 @@ namespace OpenSim.Server.Handlers.Hypergrid
             List<UUID> onlineFriends = m_TheService.StatusNotification(friends, principalID, online);
 
             Dictionary<string, object> result = new Dictionary<string, object>();
-            if ((onlineFriends == null) || ((onlineFriends != null) && (onlineFriends.Count == 0)))
+            if (onlineFriends == null || onlineFriends.Count == 0)
                 result["RESULT"] = "NULL";
             else
             {
@@ -290,20 +275,14 @@ namespace OpenSim.Server.Handlers.Hypergrid
 
         private bool VerifyServiceKey(Dictionary<string, object> request)
         {
-            if (!request.ContainsKey("KEY") || !request.ContainsKey("SESSIONID"))
+            if (!request.TryGetValue("KEY", out object KEYobj) || KEYobj is not string serviceKey || serviceKey.Length == 0 ||
+                !request.TryGetValue("SESSIONID", out object SESSIONIDobj) || SESSIONIDobj is not string sessionStr)
             {
                 m_log.WarnFormat("[HGFRIENDS HANDLER]: ignoring request without Key or SessionID");
                 return false;
             }
 
-            if (request["KEY"] == null || request["SESSIONID"] == null)
-                return false;
-
-            string serviceKey = request["KEY"].ToString();
-            string sessionStr = request["SESSIONID"].ToString();
-
-            UUID sessionID;
-            if (!UUID.TryParse(sessionStr, out sessionID) || serviceKey.Length == 0)
+            if (!UUID.TryParse(sessionStr, out UUID sessionID))
                 return false;
 
             if (!m_UserAgentService.VerifyAgent(sessionID, serviceKey))
@@ -325,8 +304,7 @@ namespace OpenSim.Server.Handlers.Hypergrid
 
             doc.AppendChild(xmlnode);
 
-            XmlElement rootElement = doc.CreateElement("", "ServerResponse",
-                    "");
+            XmlElement rootElement = doc.CreateElement("", "ServerResponse", "");
 
             doc.AppendChild(rootElement);
 
@@ -342,8 +320,7 @@ namespace OpenSim.Server.Handlers.Hypergrid
         {
             XmlDocument doc = new XmlDocument();
 
-            XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration,
-                    "", "");
+            XmlNode xmlnode = doc.CreateNode(XmlNodeType.XmlDeclaration, "", "");
 
             doc.AppendChild(xmlnode);
 
@@ -380,8 +357,7 @@ namespace OpenSim.Server.Handlers.Hypergrid
 
             doc.AppendChild(xmlnode);
 
-            XmlElement rootElement = doc.CreateElement("", "ServerResponse",
-                    "");
+            XmlElement rootElement = doc.CreateElement("", "ServerResponse", "");
 
             doc.AppendChild(rootElement);
 
@@ -407,8 +383,7 @@ namespace OpenSim.Server.Handlers.Hypergrid
 
             doc.AppendChild(xmlnode);
 
-            XmlElement rootElement = doc.CreateElement("", "ServerResponse",
-                    "");
+            XmlElement rootElement = doc.CreateElement("", "ServerResponse", "");
 
             doc.AppendChild(rootElement);
 

OpenSim/Services/AssetService/AssetService.cs

@@ -61,8 +61,7 @@ namespace OpenSim.Services.AssetService
                     if (assetConfig == null)
                         throw new Exception("No " + m_ConfigName + " configuration");
 
-                    string loaderArgs = assetConfig.GetString("AssetLoaderArgs",
-                            String.Empty);
+                    string loaderArgs = assetConfig.GetString("AssetLoaderArgs", string.Empty);
 
                     bool assetLoaderEnabled = assetConfig.GetBoolean("AssetLoaderEnabled", true);
 
@@ -92,11 +91,8 @@ namespace OpenSim.Services.AssetService
 
         public virtual AssetBase Get(string id)
         {
-//            m_log.DebugFormat("[ASSET SERVICE]: Get asset for {0}", id);
-
-            UUID assetID;
-
-            if (!UUID.TryParse(id, out assetID))
+            //            m_log.DebugFormat("[ASSET SERVICE]: Get asset for {0}", id);
+            if (!UUID.TryParse(id, out UUID assetID))
             {
                 m_log.WarnFormat("[ASSET SERVICE]: Could not parse requested asset id {0}", id);
                 return null;
@@ -172,15 +168,13 @@ namespace OpenSim.Services.AssetService
 
         public virtual string Store(AssetBase asset)
         {
-            bool exists = m_Database.AssetsExist(new[] { asset.FullID })[0];
-            if (!exists)
+            bool[] assetsexist = m_Database.AssetsExist([ asset.FullID ] );
+            if (assetsexist.Length == 0 || !assetsexist[0])
             {
 //                m_log.DebugFormat(
 //                    "[ASSET SERVICE]: Storing asset {0} {1}, bytes {2}", asset.Name, asset.FullID, asset.Data.Length);
                if (!m_Database.StoreAsset(asset))
-                {
-                return UUID.Zero.ToString();
-                }
+                    return UUID.Zero.ToString();
             }
 //            else
 //            {

OpenSim/Services/AssetService/XAssetService.cs

@@ -187,9 +187,8 @@ namespace OpenSim.Services.AssetService
 
         public virtual string Store(AssetBase asset)
         {
-            bool exists = m_Database.AssetsExist(new[] { asset.FullID })[0];
-            if (!exists)
-            {
+            bool[] assetsexist = m_Database.AssetsExist([ asset.FullID ] );
+            if (assetsexist.Length == 0 || !assetsexist[0])            {
 //                m_log.DebugFormat(
 //                    "[XASSET SERVICE]: Storing asset {0} {1}, bytes {2}", asset.Name, asset.FullID, asset.Data.Length);
                 m_Database.StoreAsset(asset);

OpenSim/Services/Connectors/Asset/AssetServicesConnector.cs

@@ -359,7 +359,7 @@ namespace OpenSim.Services.Connectors
             string newID;
             try
             {
-                newID = SynchronousRestObjectRequester.MakeRequest<AssetBase, string>("POST", uri, asset, 10000, m_Auth);
+                newID = SynchronousRestObjectRequester.MakeRequest<AssetBase, string>("POST", uri, asset, 30000, m_Auth);
             }
             catch
             {

OpenSim/Services/HypergridService/HGFriendsService.cs

@@ -78,7 +78,7 @@ namespace OpenSim.Services.HypergridService
                 if (configName != String.Empty)
                     m_ConfigName = configName;
 
-                Object[] args = new Object[] { config };
+                Object[] args = [ config ];
 
                 IConfig serverConfig = config.Configs[m_ConfigName];
                 if (serverConfig == null)
@@ -309,29 +309,39 @@ namespace OpenSim.Services.HypergridService
             // But now we need to confirm that the requester is who he says he is
             // before we act on the friendship request.
 
-            if (!fromName.Contains("@"))
+            if (!fromName.Contains('@'))
                 return;
 
             string[] parts = fromName.Split(new char[] {'@'});
             if (parts.Length != 2)
                 return;
 
-            string uriStr = "http://" + parts[1];
-            try
-            {
-                new Uri(uriStr);
-            }
-            catch (UriFormatException)
+            string uriStr = "http://" + parts[1].ToLower();
+            string SSLuriStr = "https://" + parts[1].ToLower();
+            if(!Uri.TryCreate(uriStr, UriKind.Absolute, out _))
             {
+                m_log.DebugFormat("[HGFRIENDS SERVICE]: Malformed address {0}", parts[1].ToLower());
                 return;
             }
 
-            UserAgentServiceConnector uasConn = new UserAgentServiceConnector(uriStr);
+            UserAgentServiceConnector uasConn = new(uriStr);
+            // If fail to connect with http... try with https...
+            if (uasConn is null)
+            {
+                uasConn = new UserAgentServiceConnector(SSLuriStr);
+                if (uasConn is null)
+                {
+                    m_log.DebugFormat("[HGFRIENDS SERVICE]: UserAgentServiceConnector failed to connect to {0}", parts[1].ToLower());
+                    return;
+                }
+                uriStr = SSLuriStr;
+            }
+            
             Dictionary<string, object> servers = uasConn.GetServerURLs(fromID);
-            if (!servers.ContainsKey("FriendsServerURI"))
+            if (!servers.TryGetValue("FriendsServerURI", out object friendsServerURI))
                 return;
 
-            HGFriendsServicesConnector friendsConn = new HGFriendsServicesConnector(servers["FriendsServerURI"].ToString());
+            HGFriendsServicesConnector friendsConn = new(friendsServerURI.ToString());
             if (!friendsConn.ValidateFriendshipOffered(fromID, toID))
             {
                 m_log.WarnFormat("[HGFRIENDS SERVICE]: Friendship request from {0} to {1} is invalid. Impersonations?", fromID, toID);