OpenSimMirror/OpenSim/Framework/ConfigurationMember.cs

455 lines
21 KiB
C#

/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSim Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS AS IS AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
using System;
using System.Reflection;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Net;
using System.Xml;
using libsecondlife;
using OpenSim.Framework.Console;
using OpenSim.Framework;
using System.Globalization;
namespace OpenSim.Framework
{
public class ConfigurationMember
{
public delegate bool ConfigurationOptionResult(string configuration_key, object configuration_result);
public delegate void ConfigurationOptionsLoad();
private List<ConfigurationOption> configurationOptions = new List<ConfigurationOption>();
private string configurationFilename = "";
private string configurationDescription = "";
private XmlNode configurationFromXMLNode = null;
private ConfigurationOptionsLoad loadFunction;
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;
}
public ConfigurationMember(XmlNode configuration_xml, string configuration_description, ConfigurationOptionsLoad load_function, ConfigurationOptionResult result_function)
{
this.configurationFilename = "";
this.configurationFromXMLNode = configuration_xml;
this.configurationDescription = configuration_description;
this.loadFunction = load_function;
this.resultFunction = result_function;
}
public void setConfigurationFilename(string filename)
{
configurationFilename = filename;
}
public void setConfigurationDescription(string desc)
{
configurationDescription = desc;
}
public void setConfigurationResultFunction(ConfigurationOptionResult result)
{
resultFunction = result;
}
public void forceConfigurationPluginLibrary(string dll_filename)
{
configurationPluginFilename = dll_filename;
}
private void checkAndAddConfigOption(ConfigurationOption option)
{
if ((option.configurationKey != "" && option.configurationQuestion != "") || (option.configurationKey != "" && option.configurationUseDefaultNoPrompt))
{
if (!configurationOptions.Contains(option))
{
configurationOptions.Add(option);
}
}
else
{
MainLog.Instance.Notice("Required fields for adding a configuration option is invalid. Will not add this option (" + option.configurationKey + ")");
}
}
public void addConfigurationOption(string configuration_key, ConfigurationOption.ConfigurationTypes configuration_type, string configuration_question, string configuration_default, bool use_default_no_prompt)
{
ConfigurationOption configOption = new ConfigurationOption();
configOption.configurationKey = configuration_key;
configOption.configurationQuestion = configuration_question;
configOption.configurationDefault = configuration_default;
configOption.configurationType = configuration_type;
configOption.configurationUseDefaultNoPrompt = use_default_no_prompt;
configOption.shouldIBeAsked = null; //Assumes true, I can ask whenever
checkAndAddConfigOption(configOption);
}
public void addConfigurationOption(string configuration_key, ConfigurationOption.ConfigurationTypes configuration_type, string configuration_question, string configuration_default, bool use_default_no_prompt, ConfigurationOption.ConfigurationOptionShouldBeAsked shouldIBeAskedDelegate)
{
ConfigurationOption configOption = new ConfigurationOption();
configOption.configurationKey = configuration_key;
configOption.configurationQuestion = configuration_question;
configOption.configurationDefault = configuration_default;
configOption.configurationType = configuration_type;
configOption.configurationUseDefaultNoPrompt = use_default_no_prompt;
configOption.shouldIBeAsked = shouldIBeAskedDelegate;
checkAndAddConfigOption(configOption);
}
public void performConfigurationRetrieve()
{
configurationPlugin = this.LoadConfigDll(configurationPluginFilename);
configurationOptions.Clear();
if(loadFunction == null)
{
MainLog.Instance.Error("Load Function for '" + this.configurationDescription + "' is null. Refusing to run configuration.");
return;
}
if(resultFunction == null)
{
MainLog.Instance.Error("Result Function for '" + this.configurationDescription + "' is null. Refusing to run configuration.");
return;
}
MainLog.Instance.Verbose("Calling Configuration Load Function...");
this.loadFunction();
if(configurationOptions.Count <= 0)
{
MainLog.Instance.Error("No configuration options were specified for '" + this.configurationOptions + "'. Refusing to continue configuration.");
return;
}
bool useFile = true;
if (configurationPlugin == null)
{
MainLog.Instance.Error("Configuration Plugin NOT LOADED!");
return;
}
if (configurationFilename.Trim() != "")
{
configurationPlugin.SetFileName(configurationFilename);
configurationPlugin.LoadData();
useFile = true;
}
else
{
if (this.configurationFromXMLNode != null)
{
MainLog.Instance.Notice("Loading from XML Node, will not save to the file");
configurationPlugin.LoadDataFromString(configurationFromXMLNode.OuterXml);
}
MainLog.Instance.Notice("XML Configuration Filename is not valid; will not save to the file.");
useFile = false;
}
foreach (ConfigurationOption configOption in configurationOptions)
{
bool convertSuccess = false;
object return_result = null;
string errorMessage = "";
bool ignoreNextFromConfig = false;
while (convertSuccess == false)
{
string console_result = "";
string attribute = null;
if (useFile || (!useFile && configurationFromXMLNode != null))
{
if (!ignoreNextFromConfig)
{
attribute = configurationPlugin.GetAttribute(configOption.configurationKey);
}
else
{
ignoreNextFromConfig = false;
}
}
if (attribute == null)
{
if (configOption.configurationUseDefaultNoPrompt)
{
console_result = configOption.configurationDefault;
}
else
{
if ((configOption.shouldIBeAsked != null && configOption.shouldIBeAsked(configOption.configurationKey)) || configOption.shouldIBeAsked == null)
{
if (configurationDescription.Trim() != "")
{
console_result = MainLog.Instance.CmdPrompt(configurationDescription + ": " + configOption.configurationQuestion, configOption.configurationDefault);
}
else
{
console_result = MainLog.Instance.CmdPrompt(configOption.configurationQuestion, configOption.configurationDefault);
}
}
else
{
//Dont Ask! Just use default
console_result = configOption.configurationDefault;
}
}
}
else
{
console_result = attribute;
}
switch (configOption.configurationType)
{
case ConfigurationOption.ConfigurationTypes.TYPE_STRING:
return_result = console_result;
convertSuccess = true;
break;
case ConfigurationOption.ConfigurationTypes.TYPE_STRING_NOT_EMPTY:
if (console_result.Length > 0)
{
return_result = console_result;
convertSuccess = true;
}
errorMessage = "a string that is not empty";
break;
case ConfigurationOption.ConfigurationTypes.TYPE_BOOLEAN:
bool boolResult;
if (Boolean.TryParse(console_result, out boolResult))
{
convertSuccess = true;
return_result = boolResult;
}
errorMessage = "'true' or 'false' (Boolean)";
break;
case ConfigurationOption.ConfigurationTypes.TYPE_BYTE:
byte byteResult;
if (Byte.TryParse(console_result, out byteResult))
{
convertSuccess = true;
return_result = byteResult;
}
errorMessage = "a byte (Byte)";
break;
case ConfigurationOption.ConfigurationTypes.TYPE_CHARACTER:
char charResult;
if (Char.TryParse(console_result, out charResult))
{
convertSuccess = true;
return_result = charResult;
}
errorMessage = "a character (Char)";
break;
case ConfigurationOption.ConfigurationTypes.TYPE_INT16:
short shortResult;
if (Int16.TryParse(console_result, out shortResult))
{
convertSuccess = true;
return_result = shortResult;
}
errorMessage = "a signed 32 bit integer (short)";
break;
case ConfigurationOption.ConfigurationTypes.TYPE_INT32:
int intResult;
if (Int32.TryParse(console_result, out intResult))
{
convertSuccess = true;
return_result = intResult;
}
errorMessage = "a signed 32 bit integer (int)";
break;
case ConfigurationOption.ConfigurationTypes.TYPE_INT64:
long longResult;
if (Int64.TryParse(console_result, out longResult))
{
convertSuccess = true;
return_result = longResult;
}
errorMessage = "a signed 32 bit integer (long)";
break;
case ConfigurationOption.ConfigurationTypes.TYPE_IP_ADDRESS:
IPAddress ipAddressResult;
if (IPAddress.TryParse(console_result, out ipAddressResult))
{
convertSuccess = true;
return_result = ipAddressResult;
}
errorMessage = "an IP Address (IPAddress)";
break;
case ConfigurationOption.ConfigurationTypes.TYPE_LLUUID:
LLUUID uuidResult;
if (LLUUID.TryParse(console_result, out uuidResult))
{
convertSuccess = true;
return_result = uuidResult;
}
errorMessage = "a UUID (LLUUID)";
break;
case ConfigurationOption.ConfigurationTypes.TYPE_LLVECTOR3:
LLVector3 vectorResult;
if (LLVector3.TryParse(console_result, out vectorResult))
{
convertSuccess = true;
return_result = vectorResult;
}
errorMessage = "a vector (LLVector3)";
break;
case ConfigurationOption.ConfigurationTypes.TYPE_UINT16:
ushort ushortResult;
if (UInt16.TryParse(console_result, out ushortResult))
{
convertSuccess = true;
return_result = ushortResult;
}
errorMessage = "an unsigned 16 bit integer (ushort)";
break;
case ConfigurationOption.ConfigurationTypes.TYPE_UINT32:
uint uintResult;
if (UInt32.TryParse(console_result, out uintResult))
{
convertSuccess = true;
return_result = uintResult;
}
errorMessage = "an unsigned 32 bit integer (uint)";
break;
case ConfigurationOption.ConfigurationTypes.TYPE_UINT64:
ulong ulongResult;
if (UInt64.TryParse(console_result, out ulongResult))
{
convertSuccess = true;
return_result = ulongResult;
}
errorMessage = "an unsigned 64 bit integer (ulong)";
break;
case ConfigurationOption.ConfigurationTypes.TYPE_FLOAT:
float floatResult;
if (float.TryParse(console_result, NumberStyles.AllowDecimalPoint, Culture.NumberFormatInfo, out floatResult))
{
convertSuccess = true;
return_result = floatResult;
}
errorMessage = "a single-precision floating point number (float)";
break;
case ConfigurationOption.ConfigurationTypes.TYPE_DOUBLE:
double doubleResult;
if (Double.TryParse(console_result, NumberStyles.AllowDecimalPoint, Culture.NumberFormatInfo, out doubleResult))
{
convertSuccess = true;
return_result = doubleResult;
}
errorMessage = "an double-precision floating point number (double)";
break;
}
if (convertSuccess)
{
if (useFile)
{
configurationPlugin.SetAttribute(configOption.configurationKey, console_result);
}
if (!this.resultFunction(configOption.configurationKey, return_result))
{
Console.MainLog.Instance.Notice("The handler for the last configuration option denied that input, please try again.");
convertSuccess = false;
ignoreNextFromConfig = true;
}
}
else
{
if (configOption.configurationUseDefaultNoPrompt)
{
MainLog.Instance.Error("CONFIG", string.Format("[{3}]:[{1}] is not valid default for parameter [{0}].\nThe configuration result must be parsable to {2}.\n", configOption.configurationKey, console_result, errorMessage, configurationFilename));
convertSuccess = true;
}
else
{
MainLog.Instance.Warn("CONFIG", string.Format("[{3}]:[{1}] is not a valid value [{0}].\nThe configuration result must be parsable to {2}.\n", configOption.configurationKey, console_result, errorMessage, configurationFilename));
ignoreNextFromConfig = true;
}
}
}
}
if(useFile)
{
configurationPlugin.Commit();
configurationPlugin.Close();
}
}
private IGenericConfig LoadConfigDll(string dllName)
{
Assembly pluginAssembly = Assembly.LoadFrom(dllName);
IGenericConfig plug = null;
foreach (Type pluginType in pluginAssembly.GetTypes())
{
if (pluginType.IsPublic)
{
if (!pluginType.IsAbstract)
{
Type typeInterface = pluginType.GetInterface("IGenericConfig", true);
if (typeInterface != null)
{
plug = (IGenericConfig)Activator.CreateInstance(pluginAssembly.GetType(pluginType.ToString()));
}
}
}
}
pluginAssembly = null;
return plug;
}
public void forceSetConfigurationOption(string configuration_key, string configuration_value)
{
this.configurationPlugin.LoadData();
this.configurationPlugin.SetAttribute(configuration_key, configuration_value);
this.configurationPlugin.Commit();
this.configurationPlugin.Close();
}
}
}