*Added configuration plugin (OpenSim.Framework.Configuration.HTTP.dll) that fetches a file from a remote server

*Right now, values are not saved back to the remote server, but that will be changed
*Removed some warnings from invalid references that were not used anyways

5 files changed, 148 insertions, 11 deletions

diff --git a/OpenSim/Framework/Configuration/HTTP/HTTPConfiguration.cs b/OpenSim/Framework/Configuration/HTTP/HTTPConfiguration.cs
new file mode 100644
index 0000000..c7d2c9c
--- /dev/null
+++ b/OpenSim/Framework/Configuration/HTTP/HTTPConfiguration.cs
@@ -0,0 +1,89 @@
+using System;

+using System.Collections.Generic;

+using System.Net;

+using System.IO;

+using System.Text;

+

+using OpenSim.Framework.Configuration.Interfaces;

+

+namespace OpenSim.Framework.Configuration.HTTP

+{

+    public class HTTPConfiguration : IGenericConfig

+    {

+        RemoteConfigSettings remoteConfigSettings;

+

+        XmlConfiguration xmlConfig;

+

+        private string configFileName = "";

+

+        public HTTPConfiguration()

+        {

+            remoteConfigSettings = new RemoteConfigSettings("remoteconfig.xml");

+            xmlConfig = new XmlConfiguration();

+        }

+

+        public void SetFileName(string fileName)

+        {

+            configFileName = fileName;

+        }

+

+        public void LoadData()

+        {

+            try

+            {

+                StringBuilder sb = new StringBuilder();

+

+                byte[] buf = new byte[8192];

+                HttpWebRequest request = (HttpWebRequest)WebRequest.Create(this.remoteConfigSettings.baseConfigURL + this.configFileName);

+                HttpWebResponse response = (HttpWebResponse)request.GetResponse();

+

+                Stream resStream = response.GetResponseStream();

+

+                string tempString = null;

+                int count = 0;

+

+                do

+                {

+                    count = resStream.Read(buf, 0, buf.Length);

+                    if (count != 0)

+                    {

+                        tempString = Encoding.ASCII.GetString(buf, 0, count);

+                        sb.Append(tempString);

+                    }

+                }

+                while (count > 0);

+                LoadDataFromString(sb.ToString());

+            }

+            catch (Exception e)

+            {

+                Console.MainLog.Instance.Warn("Unable to connect to remote configuration file (" + remoteConfigSettings.baseConfigURL + configFileName + "). Creating local file instead.");

+                xmlConfig.SetFileName(configFileName);

+                xmlConfig.LoadData();

+            }

+        }

+

+        public void LoadDataFromString(string data)

+        {

+            xmlConfig.LoadDataFromString(data);

+            

+        }

+

+        public string GetAttribute(string attributeName)

+        {

+            return xmlConfig.GetAttribute(attributeName);

+        }

+

+        public bool SetAttribute(string attributeName, string attributeValue)

+        {

+            return true;

+        }

+

+        public void Commit()

+        {

+        }

+

+        public void Close()

+        {

+        }

+    }

+}

diff --git a/OpenSim/Framework/Configuration/HTTP/RemoteConfigSettings.cs b/OpenSim/Framework/Configuration/HTTP/RemoteConfigSettings.cs
new file mode 100644
index 0000000..e3cfac7
--- /dev/null
+++ b/OpenSim/Framework/Configuration/HTTP/RemoteConfigSettings.cs
@@ -0,0 +1,34 @@
+using System;

+using System.Collections.Generic;

+using System.Text;

+

+using OpenSim.Framework.Configuration;

+

+namespace OpenSim.Framework.Configuration.HTTP

+{

+    public class RemoteConfigSettings

+    {

+        private ConfigurationMember configMember;

+

+        public string baseConfigURL = "";

+        public RemoteConfigSettings(string filename)

+        {

+            configMember = new ConfigurationMember(filename, "REMOTE CONFIG SETTINGS", loadConfigurationOptions, handleIncomingConfiguration);

+            configMember.forceConfigurationPluginLibrary("OpenSim.Framework.Configuration.XML.dll");

+            configMember.performConfigurationRetrieve();

+        }

+

+        public void loadConfigurationOptions()

+        {

+            configMember.addConfigurationOption("base_config_url", ConfigurationOption.ConfigurationTypes.TYPE_STRING_NOT_EMPTY, "URL Containing Configuration Files", "http://localhost/", false);

+        }

+        public bool handleIncomingConfiguration(string configuration_key, object configuration_result)

+        {

+            if (configuration_key == "base_config_url")

+            {

+                baseConfigURL = (string)configuration_result;

+            }

+            return true;

+        }

+    }

+}

diff --git a/OpenSim/Framework/Configuration/XML/XmlConfiguration.cs b/OpenSim/Framework/Configuration/XML/XmlConfiguration.cs
index e56c657..5b66035 100644
--- a/OpenSim/Framework/Configuration/XML/XmlConfiguration.cs
+++ b/OpenSim/Framework/Configuration/XML/XmlConfiguration.cs
@@ -47,10 +47,19 @@ namespace OpenSim.Framework.Configuration
             fileName = file;

         }

 

+        private void LoadDataToClass()

+        {

+            rootNode = doc.FirstChild;

+            if (rootNode.Name != "Root")

+                throw new Exception("Error: Invalid .xml File. Missing <Root>");

+

+            configNode = rootNode.FirstChild;

+            if (configNode.Name != "Config")

+                throw new Exception("Error: Invalid .xml File. <Root> first child should be <Config>");

+        }

         public void LoadData()

         {

             doc = new XmlDocument();

-

             if (File.Exists(fileName))

             {

                 XmlTextReader reader = new XmlTextReader(fileName);

@@ -67,14 +76,7 @@ namespace OpenSim.Framework.Configuration
                 rootNode.AppendChild(configNode);

             }

 

-

-            rootNode = doc.FirstChild;

-            if (rootNode.Name != "Root")

-                throw new Exception("Error: Invalid .xml File. Missing <Root>");

-

-            configNode = rootNode.FirstChild;

-            if (configNode.Name != "Config")

-                throw new Exception("Error: Invalid .xml File. <Root> first child should be <Config>");

+            LoadDataToClass();            

 

             if (createdFile)

             {

@@ -82,6 +84,13 @@ namespace OpenSim.Framework.Configuration
             }

         }

 

+        public void LoadDataFromString(string data)

+        {

+            doc = new XmlDocument();

+            doc.LoadXml(data);

+

+            LoadDataToClass();

+        }

         public string GetAttribute(string attributeName)

         {

             string result = null;

diff --git a/OpenSim/Framework/General/Configuration/ConfigurationMember.cs b/OpenSim/Framework/General/Configuration/ConfigurationMember.cs
index 4a6e0cc..b8dfc0c 100644
--- a/OpenSim/Framework/General/Configuration/ConfigurationMember.cs
+++ b/OpenSim/Framework/General/Configuration/ConfigurationMember.cs
@@ -25,13 +25,16 @@ namespace OpenSim.Framework.Configuration
         private ConfigurationOptionResult resultFunction;

 

         private IGenericConfig configurationPlugin = null;

+        /// <summary>

+        /// This is the default configuration DLL loaded

+        /// </summary>

+        private string configurationPluginFilename = "OpenSim.Framework.Configuration.XML.dll";

         public ConfigurationMember(string configuration_filename, string configuration_description, ConfigurationOptionsLoad load_function, ConfigurationOptionResult result_function)

         {

             this.configurationFilename = configuration_filename;

             this.configurationDescription = configuration_description;

             this.loadFunction = load_function;

             this.resultFunction = result_function;

-            this.configurationPlugin = this.LoadConfigDll("OpenSim.Framework.Configuration.XML.dll");

         }

 

         public void setConfigurationFilename(string filename)

@@ -50,7 +53,7 @@ namespace OpenSim.Framework.Configuration
 

         public void forceConfigurationPluginLibrary(string dll_filename)

         {

-            configurationPlugin = this.LoadConfigDll(dll_filename);

+            configurationPluginFilename = dll_filename;

         }

         public void addConfigurationOption(string configuration_key, ConfigurationOption.ConfigurationTypes configuration_type, string configuration_question, string configuration_default, bool use_default_no_prompt)

         {

@@ -76,6 +79,7 @@ namespace OpenSim.Framework.Configuration
 

         public void performConfigurationRetrieve()

         {

+            configurationPlugin = this.LoadConfigDll(configurationPluginFilename);

             configurationOptions.Clear();

             if(loadFunction == null)

             {

diff --git a/OpenSim/Framework/General/Configuration/Interfaces/IGenericConfig.cs b/OpenSim/Framework/General/Configuration/Interfaces/IGenericConfig.cs
index 5a5a20e..ceccd04 100644
--- a/OpenSim/Framework/General/Configuration/Interfaces/IGenericConfig.cs
+++ b/OpenSim/Framework/General/Configuration/Interfaces/IGenericConfig.cs
@@ -31,6 +31,7 @@ namespace OpenSim.Framework.Configuration.Interfaces
     {

         void SetFileName(string fileName);

         void LoadData();

+        void LoadDataFromString(string data);

         string GetAttribute(string attributeName);

         bool SetAttribute(string attributeName, string attributeValue);

         void Commit();