public void Configure(XmlElement element)
{
if ((element != null) && (this.m_hierarchy != null))
{
if (element.LocalName != "log4net")
{
LogLog.Error(declaringType, "Xml element is - not a <log4net> element.");
}
else
{
if (!LogLog.EmitInternalMessages)
{
string argValue = element.GetAttribute("emitDebug");
LogLog.Debug(declaringType, "emitDebug attribute [" + argValue + "].");
if ((argValue.Length > 0) && (argValue != "null"))
{
LogLog.EmitInternalMessages = OptionConverter.ToBoolean(argValue, true);
}
else
{
LogLog.Debug(declaringType, "Ignoring emitDebug attribute.");
}
}
if (!LogLog.InternalDebugging)
{
string argValue = element.GetAttribute("debug");
LogLog.Debug(declaringType, "debug attribute [" + argValue + "].");
if ((argValue.Length > 0) && (argValue != "null"))
{
LogLog.InternalDebugging = OptionConverter.ToBoolean(argValue, true);
}
else
{
LogLog.Debug(declaringType, "Ignoring debug attribute.");
}
string str4 = element.GetAttribute("configDebug");
if ((str4.Length > 0) && (str4 != "null"))
{
LogLog.Warn(declaringType, "The \"configDebug\" attribute is deprecated.");
LogLog.Warn(declaringType, "Use the \"debug\" attribute instead.");
LogLog.InternalDebugging = OptionConverter.ToBoolean(str4, true);
}
}
ConfigUpdateMode merge = ConfigUpdateMode.Merge;
string attribute = element.GetAttribute("update");
if ((attribute != null) && (attribute.Length > 0))
{
try
{
merge = (ConfigUpdateMode)OptionConverter.ConvertStringTo(typeof(ConfigUpdateMode), attribute);
}
catch
{
LogLog.Error(declaringType, "Invalid update attribute value [" + attribute + "]");
}
}
LogLog.Debug(declaringType, "Configuration update mode [" + merge.ToString() + "].");
if (merge == ConfigUpdateMode.Overwrite)
{
this.m_hierarchy.ResetConfiguration();
LogLog.Debug(declaringType, "Configuration reset before reading config.");
}
IEnumerator enumerator = element.ChildNodes.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
XmlNode current = (XmlNode)enumerator.Current;
if (current.NodeType == XmlNodeType.Element)
{
XmlElement loggerElement = (XmlElement)current;
if (loggerElement.LocalName == "logger")
{
this.ParseLogger(loggerElement);
continue;
}
if (loggerElement.LocalName == "category")
{
this.ParseLogger(loggerElement);
continue;
}
if (loggerElement.LocalName == "root")
{
this.ParseRoot(loggerElement);
continue;
}
if (loggerElement.LocalName == "renderer")
{
this.ParseRenderer(loggerElement);
continue;
}
if (loggerElement.LocalName != "appender")
{
this.SetParameter(loggerElement, this.m_hierarchy);
}
}
}
}
finally
{
IDisposable disposable = enumerator as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
string str6 = element.GetAttribute("threshold");
LogLog.Debug(declaringType, "Hierarchy Threshold [" + str6 + "]");
if ((str6.Length > 0) && (str6 != "null"))
{
Level level = (Level)this.ConvertStringTo(typeof(Level), str6);
if (level != null)
{
this.m_hierarchy.Threshold = level;
}
else
{
LogLog.Warn(declaringType, "Unable to set hierarchy threshold using value [" + str6 + "] (with acceptable conversion types)");
}
}
}
}
}
/// <summary>
/// Parses an appender element.
/// </summary>
/// <param name="appenderElement">The appender element.</param>
/// <returns>The appender instance or <c>null</c> when parsing failed.</returns>
/// <remarks>
/// <para>
/// Parse an XML element that represents an appender and return
/// the appender instance.
/// </para>
/// </remarks>
protected IAppender ParseAppender(XmlElement appenderElement)
{
string appenderName = appenderElement.GetAttribute(NAME_ATTR);
string typeName = appenderElement.GetAttribute(TYPE_ATTR);
LogLog.Debug(declaringType, "Loading Appender [" + appenderName + "] type: [" + typeName + "]");
try
{
#if NETSTANDARD1_3
IAppender appender = (IAppender)Activator.CreateInstance(SystemInfo.GetTypeFromString(this.GetType().GetTypeInfo().Assembly, typeName, true, true));
#else
IAppender appender = (IAppender)Activator.CreateInstance(SystemInfo.GetTypeFromString(typeName, true, true));
#endif
appender.Name = appenderName;
foreach (XmlNode currentNode in appenderElement.ChildNodes)
{
/* We're only interested in Elements */
if (currentNode.NodeType == XmlNodeType.Element)
{
XmlElement currentElement = (XmlElement)currentNode;
// Look for the appender ref tag
if (currentElement.LocalName == APPENDER_REF_TAG)
{
string refName = currentElement.GetAttribute(REF_ATTR);
IAppenderAttachable appenderContainer = appender as IAppenderAttachable;
if (appenderContainer != null)
{
LogLog.Debug(declaringType, "Attaching appender named [" + refName + "] to appender named [" + appender.Name + "].");
IAppender referencedAppender = FindAppenderByReference(currentElement);
if (referencedAppender != null)
{
appenderContainer.AddAppender(referencedAppender);
}
}
else
{
LogLog.Error(declaringType, "Requesting attachment of appender named [" + refName + "] to appender named [" + appender.Name + "] which does not implement log4net.Core.IAppenderAttachable.");
}
}
else
{
// For all other tags we use standard set param method
SetParameter(currentElement, appender);
}
}
}
IOptionHandler optionHandler = appender as IOptionHandler;
if (optionHandler != null)
{
optionHandler.ActivateOptions();
}
LogLog.Debug(declaringType, "Created Appender [" + appenderName + "]");
return(appender);
}
catch (Exception ex)
{
// Yes, it's ugly. But all exceptions point to the same problem: we can't create an Appender
LogLog.Error(declaringType, "Could not create Appender [" + appenderName + "] of type [" + typeName + "]. Reported error follows.", ex);
return(null);
}
}
/// <summary>
/// Configure the hierarchy by parsing a DOM tree of XML elements.
/// </summary>
/// <param name="element">The root element to parse.</param>
/// <remarks>
/// <para>
/// Configure the hierarchy by parsing a DOM tree of XML elements.
/// </para>
/// </remarks>
public void Configure(XmlElement element)
{
if (element == null || m_hierarchy == null)
{
return;
}
string rootElementName = element.LocalName;
if (rootElementName != CONFIGURATION_TAG)
{
LogLog.Error(declaringType, "Xml element is - not a <" + CONFIGURATION_TAG + "> element.");
return;
}
if (!LogLog.EmitInternalMessages)
{
// Look for a emitDebug attribute to enable internal debug
string emitDebugAttribute = element.GetAttribute(EMIT_INTERNAL_DEBUG_ATTR);
LogLog.Debug(declaringType, EMIT_INTERNAL_DEBUG_ATTR + " attribute [" + emitDebugAttribute + "].");
if (emitDebugAttribute.Length > 0 && emitDebugAttribute != "null")
{
LogLog.EmitInternalMessages = OptionConverter.ToBoolean(emitDebugAttribute, true);
}
else
{
LogLog.Debug(declaringType, "Ignoring " + EMIT_INTERNAL_DEBUG_ATTR + " attribute.");
}
}
if (!LogLog.InternalDebugging)
{
// Look for a debug attribute to enable internal debug
string debugAttribute = element.GetAttribute(INTERNAL_DEBUG_ATTR);
LogLog.Debug(declaringType, INTERNAL_DEBUG_ATTR + " attribute [" + debugAttribute + "].");
if (debugAttribute.Length > 0 && debugAttribute != "null")
{
LogLog.InternalDebugging = OptionConverter.ToBoolean(debugAttribute, true);
}
else
{
LogLog.Debug(declaringType, "Ignoring " + INTERNAL_DEBUG_ATTR + " attribute.");
}
string confDebug = element.GetAttribute(CONFIG_DEBUG_ATTR);
if (confDebug.Length > 0 && confDebug != "null")
{
LogLog.Warn(declaringType, "The \"" + CONFIG_DEBUG_ATTR + "\" attribute is deprecated.");
LogLog.Warn(declaringType, "Use the \"" + INTERNAL_DEBUG_ATTR + "\" attribute instead.");
LogLog.InternalDebugging = OptionConverter.ToBoolean(confDebug, true);
}
}
// Default mode is merge
ConfigUpdateMode configUpdateMode = ConfigUpdateMode.Merge;
// Look for the config update attribute
string configUpdateModeAttribute = element.GetAttribute(CONFIG_UPDATE_MODE_ATTR);
if (configUpdateModeAttribute != null && configUpdateModeAttribute.Length > 0)
{
// Parse the attribute
try
{
configUpdateMode = (ConfigUpdateMode)OptionConverter.ConvertStringTo(typeof(ConfigUpdateMode), configUpdateModeAttribute);
}
catch
{
LogLog.Error(declaringType, "Invalid " + CONFIG_UPDATE_MODE_ATTR + " attribute value [" + configUpdateModeAttribute + "]");
}
}
// IMPL: The IFormatProvider argument to Enum.ToString() is deprecated in .NET 2.0
LogLog.Debug(declaringType, "Configuration update mode [" + configUpdateMode.ToString() + "].");
// Only reset configuration if overwrite flag specified
if (configUpdateMode == ConfigUpdateMode.Overwrite)
{
// Reset to original unset configuration
m_hierarchy.ResetConfiguration();
LogLog.Debug(declaringType, "Configuration reset before reading config.");
}
/* Building Appender objects, placing them in a local namespace
* for future reference */
/* Process all the top level elements */
foreach (XmlNode currentNode in element.ChildNodes)
{
if (currentNode.NodeType == XmlNodeType.Element)
{
XmlElement currentElement = (XmlElement)currentNode;
if (currentElement.LocalName == LOGGER_TAG)
{
ParseLogger(currentElement);
}
else if (currentElement.LocalName == CATEGORY_TAG)
{
// TODO: deprecated use of category
ParseLogger(currentElement);
}
else if (currentElement.LocalName == ROOT_TAG)
{
ParseRoot(currentElement);
}
else if (currentElement.LocalName == RENDERER_TAG)
{
ParseRenderer(currentElement);
}
else if (currentElement.LocalName == APPENDER_TAG)
{
// We ignore appenders in this pass. They will
// be found and loaded if they are referenced.
}
else
{
// Read the param tags and set properties on the hierarchy
SetParameter(currentElement, m_hierarchy);
}
}
}
// Lastly set the hierarchy threshold
string thresholdStr = element.GetAttribute(THRESHOLD_ATTR);
LogLog.Debug(declaringType, "Hierarchy Threshold [" + thresholdStr + "]");
if (thresholdStr.Length > 0 && thresholdStr != "null")
{
Level thresholdLevel = (Level)ConvertStringTo(typeof(Level), thresholdStr);
if (thresholdLevel != null)
{
m_hierarchy.Threshold = thresholdLevel;
}
else
{
LogLog.Warn(declaringType, "Unable to set hierarchy threshold using value [" + thresholdStr + "] (with acceptable conversion types)");
}
}
// Done reading config
}
/// <summary>
/// Creates a new repository for the specified repository.
/// </summary>
/// <param name="repositoryName">The repository to associate with the <see cref="ILoggerRepository"/>.</param>
/// <param name="repositoryType">The type of repository to create, must implement <see cref="ILoggerRepository"/>.
/// If this param is <see langword="null" /> then the default repository type is used.</param>
/// <returns>The new repository.</returns>
/// <remarks>
/// <para>
/// The <see cref="ILoggerRepository"/> created will be associated with the repository
/// specified such that a call to <see cref="M:GetRepository(string)"/> with the
/// same repository specified will return the same repository instance.
/// </para>
/// </remarks>
/// <exception cref="ArgumentNullException"><paramref name="repositoryName"/> is <see langword="null" />.</exception>
/// <exception cref="LogException"><paramref name="repositoryName"/> already exists.</exception>
public ILoggerRepository CreateRepository(string repositoryName, Type repositoryType)
{
if (repositoryName == null)
{
throw new ArgumentNullException("repositoryName");
}
// If the type is not set then use the default type
if (repositoryType == null)
{
repositoryType = m_defaultRepositoryType;
}
lock (this)
{
ILoggerRepository rep = null;
// First check that the repository does not exist
rep = m_name2repositoryMap[repositoryName] as ILoggerRepository;
if (rep != null)
{
throw new LogException("Repository [" + repositoryName + "] is already defined. Repositories cannot be redefined.");
}
else
{
// Lookup an alias before trying to create the new repository
ILoggerRepository aliasedRepository = m_alias2repositoryMap[repositoryName] as ILoggerRepository;
if (aliasedRepository != null)
{
// Found an alias
// Check repository type
if (aliasedRepository.GetType() == repositoryType)
{
// Repository type is compatible
LogLog.Debug(declaringType, "Aliasing repository [" + repositoryName + "] to existing repository [" + aliasedRepository.Name + "]");
rep = aliasedRepository;
// Store in map
m_name2repositoryMap[repositoryName] = rep;
}
else
{
// Invalid repository type for alias
LogLog.Error(declaringType, "Failed to alias repository [" + repositoryName + "] to existing repository [" + aliasedRepository.Name + "]. Requested repository type [" + repositoryType.FullName + "] is not compatible with existing type [" + aliasedRepository.GetType().FullName + "]");
// We now drop through to create the repository without aliasing
}
}
// If we could not find an alias
if (rep == null)
{
LogLog.Debug(declaringType, "Creating repository [" + repositoryName + "] using type [" + repositoryType + "]");
// Call the no arg constructor for the repositoryType
rep = (ILoggerRepository)Activator.CreateInstance(repositoryType);
// Set the name of the repository
rep.Name = repositoryName;
// Store in map
m_name2repositoryMap[repositoryName] = rep;
// Notify listeners that the repository has been created
OnLoggerRepositoryCreatedEvent(rep);
}
}
return(rep);
}
}
/// <summary>
/// Configures the repository using information from the assembly.
/// </summary>
/// <param name="assembly">The assembly containing <see cref="log4net.Config.ConfiguratorAttribute"/>
/// attributes which define the configuration for the repository.</param>
/// <param name="repository">The repository to configure.</param>
/// <exception cref="ArgumentNullException">
/// <para><paramref name="assembly" /> is <see langword="null" />.</para>
/// <para>-or-</para>
/// <para><paramref name="repository" /> is <see langword="null" />.</para>
/// </exception>
private void ConfigureRepository(Assembly assembly, ILoggerRepository repository)
{
if (assembly == null)
{
throw new ArgumentNullException("assembly");
}
if (repository == null)
{
throw new ArgumentNullException("repository");
}
// Look for the Configurator attributes (e.g. XmlConfiguratorAttribute) on the assembly
object[] configAttributes = Attribute.GetCustomAttributes(assembly, typeof(log4net.Config.ConfiguratorAttribute), false);
if (configAttributes != null && configAttributes.Length > 0)
{
// Sort the ConfiguratorAttributes in priority order
Array.Sort(configAttributes);
// Delegate to the attribute the job of configuring the repository
foreach (log4net.Config.ConfiguratorAttribute configAttr in configAttributes)
{
if (configAttr != null)
{
try
{
configAttr.Configure(assembly, repository);
}
catch (Exception ex)
{
LogLog.Error(declaringType, "Exception calling [" + configAttr.GetType().FullName + "] .Configure method.", ex);
}
}
}
}
if (repository.Name == DefaultRepositoryName)
{
// Try to configure the default repository using an AppSettings specified config file
// Do this even if the repository has been configured (or claims to be), this allows overriding
// of the default config files etc, if that is required.
string repositoryConfigFile = SystemInfo.GetAppSetting("log4net.Config");
if (repositoryConfigFile != null && repositoryConfigFile.Length > 0)
{
string applicationBaseDirectory = null;
try
{
applicationBaseDirectory = SystemInfo.ApplicationBaseDirectory;
}
catch (Exception ex)
{
LogLog.Warn(declaringType, "Exception getting ApplicationBaseDirectory. appSettings log4net.Config path [" + repositoryConfigFile + "] will be treated as an absolute URI", ex);
}
string repositoryConfigFilePath = repositoryConfigFile;
if (applicationBaseDirectory != null)
{
repositoryConfigFilePath = Path.Combine(applicationBaseDirectory, repositoryConfigFile);
}
// Determine whether to watch the file or not based on an app setting value:
bool watchRepositoryConfigFile = false;
#if NET_2_0 || MONO_2_0 || MONO_3_5 || MONO_4_0
Boolean.TryParse(SystemInfo.GetAppSetting("log4net.Config.Watch"), out watchRepositoryConfigFile);
#else
{
string watch = SystemInfo.GetAppSetting("log4net.Config.Watch");
if (watch != null && watch.Length > 0)
{
try
{
watchRepositoryConfigFile = Boolean.Parse(watch);
}
catch (FormatException)
{
// simply not a Boolean
}
}
}
#endif
if (watchRepositoryConfigFile)
{
// As we are going to watch the config file it is required to resolve it as a
// physical file system path pass that in a FileInfo object to the Configurator
FileInfo repositoryConfigFileInfo = null;
try
{
repositoryConfigFileInfo = new FileInfo(repositoryConfigFilePath);
}
catch (Exception ex)
{
LogLog.Error(declaringType, "DefaultRepositorySelector: Exception while parsing log4net.Config file physical path [" + repositoryConfigFilePath + "]", ex);
}
try
{
LogLog.Debug(declaringType, "Loading and watching configuration for default repository from AppSettings specified Config path [" + repositoryConfigFilePath + "]");
XmlConfigurator.ConfigureAndWatch(repository, repositoryConfigFileInfo);
}
catch (Exception ex)
{
LogLog.Error(declaringType, "DefaultRepositorySelector: Exception calling XmlConfigurator.ConfigureAndWatch method with ConfigFilePath [" + repositoryConfigFilePath + "]", ex);
}
}
else
{
// As we are not going to watch the config file it is easiest to just resolve it as a
// URI and pass that to the Configurator
Uri repositoryConfigUri = null;
try
{
repositoryConfigUri = new Uri(repositoryConfigFilePath);
}
catch (Exception ex)
{
LogLog.Error(declaringType, "Exception while parsing log4net.Config file path [" + repositoryConfigFile + "]", ex);
}
if (repositoryConfigUri != null)
{
LogLog.Debug(declaringType, "Loading configuration for default repository from AppSettings specified Config URI [" + repositoryConfigUri.ToString() + "]");
try
{
// TODO: Support other types of configurator
XmlConfigurator.Configure(repository, repositoryConfigUri);
}
catch (Exception ex)
{
LogLog.Error(declaringType, "Exception calling XmlConfigurator.Configure method with ConfigUri [" + repositoryConfigUri + "]", ex);
}
}
}
}
}
}
/// <summary>
/// Attempt to load configuration from a URI
/// </summary>
/// <param name="sourceAssembly">The assembly that this attribute was defined on.</param>
/// <param name="targetRepository">The repository to configure.</param>
void ConfigureFromUri(Assembly sourceAssembly, ILoggerRepository targetRepository)
{
// Work out the full path to the config file
Uri fullPath2ConfigFile = null;
// Select the config file
if (m_configFile == null || m_configFile.Length == 0)
{
if (m_configFileExtension == null || m_configFileExtension.Length == 0)
{
string systemConfigFilePath = null;
try
{
systemConfigFilePath = SystemInfo.ConfigurationFileLocation;
}
catch (Exception ex)
{
LogLog.Error(
"XmlConfiguratorAttribute: Exception getting ConfigurationFileLocation. Must be able to resolve ConfigurationFileLocation when ConfigFile and ConfigFileExtension properties are not set.",
ex);
}
if (systemConfigFilePath != null)
{
var systemConfigFileUri = new Uri(systemConfigFilePath);
// Use the default .config file for the AppDomain
fullPath2ConfigFile = systemConfigFileUri;
}
}
else
{
// Force the extension to start with a '.'
if (m_configFileExtension[0] != '.')
{
m_configFileExtension = "." + m_configFileExtension;
}
string systemConfigFilePath = null;
try
{
systemConfigFilePath = SystemInfo.ConfigurationFileLocation;
}
catch (Exception ex)
{
LogLog.Error(
"XmlConfiguratorAttribute: Exception getting ConfigurationFileLocation. Must be able to resolve ConfigurationFileLocation when the ConfigFile property are not set.",
ex);
}
if (systemConfigFilePath != null)
{
var builder = new UriBuilder(new Uri(systemConfigFilePath));
// Remove the current extension from the systemConfigFileUri path
var path = builder.Path;
var startOfExtension = path.LastIndexOf(".");
if (startOfExtension >= 0)
{
path = path.Substring(0, startOfExtension);
}
path += m_configFileExtension;
builder.Path = path;
fullPath2ConfigFile = builder.Uri;
}
}
}
else
{
string applicationBaseDirectory = null;
try
{
applicationBaseDirectory = SystemInfo.ApplicationBaseDirectory;
}
catch (Exception ex)
{
LogLog.Warn(
"XmlConfiguratorAttribute: Exception getting ApplicationBaseDirectory. ConfigFile property path [" +
m_configFile + "] will be treated as an absolute URI.", ex);
}
if (applicationBaseDirectory != null)
{
// Just the base dir + the config file
fullPath2ConfigFile = new Uri(new Uri(applicationBaseDirectory), m_configFile);
}
else
{
fullPath2ConfigFile = new Uri(m_configFile);
}
}
if (fullPath2ConfigFile != null)
{
if (fullPath2ConfigFile.IsFile)
{
// The m_configFile could be an absolute local path, therefore we have to be
// prepared to switch back to using FileInfos here
ConfigureFromFile(targetRepository, new FileInfo(fullPath2ConfigFile.LocalPath));
}
else
{
if (m_configureAndWatch)
{
LogLog.Warn("XmlConfiguratorAttribute: Unable to watch config file loaded from a URI");
}
XmlConfigurator.Configure(targetRepository, fullPath2ConfigFile);
}
}
}
private void ThreadProc()
{
while (true)
{
lock (myLock)
{
if (State >= StateKind.Terminating)
{
return;
}
while (myAllDataProcessed || myPauseReasons.Count > 0)
{
if (State >= StateKind.Stopping)
{
return;
}
Monitor.Wait(myLock);
if (State >= StateKind.Terminating)
{
return;
}
}
//In case of only put requests, we could write Assertion.Assert(chunk.Ptr > 0, "chunk.Ptr > 0");
//But in case of clear, we could get "Wait + Put(full) + Clear + Put" before this line and 'chunkToProcess' will point to empty chunk.
//RIDER-15223
while (myChunkToProcess.CheckEmpty(this)) //should never be endless, because `myAllDataProcessed` is 'false', that means that we MUST have ptr > 0 somewhere
{
myChunkToProcess = myChunkToProcess.Next;
}
if (myChunkToFill == myChunkToProcess)
{
//it's possible that next chuck is occupied by entry with seqN > acknowledgedSeqN
GrowConditionally();
myChunkToFill = myChunkToProcess.Next;
}
ShrinkConditionally(myChunkToProcess);
Assertion.Assert(myChunkToProcess.Ptr > 0, "chunkToProcess.Ptr > 0");
Assertion.Assert(myChunkToFill != myChunkToProcess && myChunkToFill.IsNotProcessed, "myChunkToFill != chunkToProcess && myChunkToFill.IsNotProcessed");
myProcessing = true;
}
long seqN = myChunkToProcess.IsNotProcessed ? 0 : myChunkToProcess.SeqN;
try
{
myProcessor(myChunkToProcess.Data, 0, myChunkToProcess.Ptr, ref seqN);
}
catch (Exception e)
{
LogLog.Error(e);
}
finally
{
lock (myLock)
{
myProcessing = false;
if (myChunkToProcess == null)
{
LogLog.Error($"{nameof(myChunkToProcess)} is null. State: {State}");
}
else
{
myChunkToProcess.SeqN = seqN;
myChunkToProcess = myChunkToProcess.Next;
// Assertion.Assert(myChunkToProcess.IsNotProcessed, "chunkToProcess.IsNotProcessed"); not true in case of reprocessing
if (myChunkToProcess.Ptr == 0)
{
myAllDataProcessed = true;
}
}
}
}
}
}
static private void InternalConfigure(ILoggerRepository repository, Stream configStream)
{
LogLog.Debug(declaringType, "configuring repository [" + repository.Name + "] using stream");
if (configStream == null)
{
LogLog.Error(declaringType, "Configure called with null 'configStream' parameter");
}
else
{
// Load the config file into a document
XmlDocument doc = new XmlDocument();
try
{
#if (NETCF)
// Create a text reader for the file stream
XmlTextReader xmlReader = new XmlTextReader(configStream);
#elif NET_2_0
// Allow the DTD to specify entity includes
XmlReaderSettings settings = new XmlReaderSettings();
settings.ProhibitDtd = false;
// Create a reader over the input stream
XmlReader xmlReader = XmlReader.Create(configStream, settings);
#else
// Create a validating reader around a text reader for the file stream
XmlValidatingReader xmlReader = new XmlValidatingReader(new XmlTextReader(configStream));
// Specify that the reader should not perform validation, but that it should
// expand entity refs.
xmlReader.ValidationType = ValidationType.None;
xmlReader.EntityHandling = EntityHandling.ExpandEntities;
#endif
// load the data into the document
doc.Load(xmlReader);
}
catch (Exception ex)
{
LogLog.Error(declaringType, "Error while loading XML configuration", ex);
// The document is invalid
doc = null;
}
if (doc != null)
{
LogLog.Debug(declaringType, "loading XML configuration");
// Configure using the 'log4net' element
XmlNodeList configNodeList = doc.GetElementsByTagName("log4net");
if (configNodeList.Count == 0)
{
LogLog.Debug(declaringType, "XML configuration does not contain a <log4net> element. Configuration Aborted.");
}
else if (configNodeList.Count > 1)
{
LogLog.Error(declaringType, "XML configuration contains [" + configNodeList.Count + "] <log4net> elements. Only one is allowed. Configuration Aborted.");
}
else
{
InternalConfigureFromXml(repository, configNodeList[0] as XmlElement);
}
}
}
}
/// <summary>
/// Attempt to load configuration from a URI
/// </summary>
/// <param name="sourceAssembly">The assembly that this attribute was defined on.</param>
/// <param name="targetRepository">The repository to configure.</param>
private void ConfigureFromUri(Assembly sourceAssembly, ILoggerRepository targetRepository)
{
Uri uri = null;
if (m_configFile == null || m_configFile.Length == 0)
{
if (m_configFileExtension == null || m_configFileExtension.Length == 0)
{
string text = null;
try
{
text = SystemInfo.ConfigurationFileLocation;
}
catch (Exception exception)
{
LogLog.Error(declaringType, "XmlConfiguratorAttribute: Exception getting ConfigurationFileLocation. Must be able to resolve ConfigurationFileLocation when ConfigFile and ConfigFileExtension properties are not set.", exception);
}
if (text != null)
{
uri = new Uri(text);
}
}
else
{
if (m_configFileExtension[0] != '.')
{
m_configFileExtension = "." + m_configFileExtension;
}
string text2 = null;
try
{
text2 = SystemInfo.ConfigurationFileLocation;
}
catch (Exception exception2)
{
LogLog.Error(declaringType, "XmlConfiguratorAttribute: Exception getting ConfigurationFileLocation. Must be able to resolve ConfigurationFileLocation when the ConfigFile property are not set.", exception2);
}
if (text2 != null)
{
UriBuilder uriBuilder = new UriBuilder(new Uri(text2));
string text3 = uriBuilder.Path;
int num = text3.LastIndexOf(".");
if (num >= 0)
{
text3 = text3.Substring(0, num);
}
text3 = (uriBuilder.Path = text3 + m_configFileExtension);
uri = uriBuilder.Uri;
}
}
}
else
{
string text5 = null;
try
{
text5 = SystemInfo.ApplicationBaseDirectory;
}
catch (Exception exception3)
{
LogLog.Warn(declaringType, "Exception getting ApplicationBaseDirectory. ConfigFile property path [" + m_configFile + "] will be treated as an absolute URI.", exception3);
}
uri = ((text5 == null) ? new Uri(m_configFile) : new Uri(new Uri(text5), m_configFile));
}
if (!(uri != null))
{
return;
}
if (uri.IsFile)
{
ConfigureFromFile(targetRepository, new FileInfo(uri.LocalPath));
return;
}
if (m_configureAndWatch)
{
LogLog.Warn(declaringType, "XmlConfiguratorAttribute: Unable to watch config file loaded from a URI");
}
XmlConfigurator.Configure(targetRepository, uri);
}
public void Error(Type type, string message)
{
LogLog.Error(type, message);
}
public void Error(Type type, string message, Exception ex)
{
LogLog.Error(type, message, ex);
}
/// <summary>
///
/// </summary>
/// <param name="logLog"></param>
/// <param name="ex"></param>
public static void Error(Exception ex)
{
LogLog.Error(ex.GetType(), ex.Message);
}
protected override void Append(LoggingEvent loggingEvent)
{
if (RavenClient == null)
{
RavenClient = new RavenClient(DSN)
{
Logger = Logger,
Compression = CompressionEnabled,
Environment = Environment,
// If something goes wrong when sending the event to Sentry, make sure this is written to log4net's internal
// log. See <add key="log4net.Internal.Debug" value="true"/>
ErrorOnCapture = ex => LogLog.Error(typeof(SentryAppender), "[" + Name + "] " + ex.Message, ex)
};
}
var httpExtra = HttpExtra.GetHttpExtra();
object extra;
if (httpExtra != null)
{
extra = new
{
Environment = new EnvironmentExtra(),
Http = httpExtra
};
}
else
{
extra = new
{
Environment = new EnvironmentExtra()
};
}
var tags = _tagLayouts.ToDictionary(t => t.Name, t => (t.Layout.Format(loggingEvent) ?? "").ToString());
var exception = loggingEvent.ExceptionObject ?? loggingEvent.MessageObject as Exception;
var level = Translate(loggingEvent.Level);
if (loggingEvent.ExceptionObject != null)
{
// We should capture buth the exception and the message passed
var @event = new SentryEvent(loggingEvent.RenderedMessage)
{
Extra = extra,
Level = level,
Tags = tags
};
RavenClient.Capture(@event);
}
else if (loggingEvent.MessageObject is Exception)
{
// We should capture the exception with no custom message
var @event = new SentryEvent(exception)
{
Extra = extra,
Level = level,
Tags = tags
};
RavenClient.Capture(@event);
}
else
{
// Just capture message
var message = loggingEvent.RenderedMessage;
if (message != null)
{
var @event = new SentryEvent(loggingEvent.RenderedMessage)
{
Extra = extra,
Level = level,
Tags = tags
};
RavenClient.Capture(@event);
}
}
}
protected void SetParameter(XmlElement element, object target)
{
string attribute = element.GetAttribute("name");
if ((element.LocalName != "param") || ((attribute == null) || (attribute.Length == 0)))
{
attribute = element.LocalName;
}
Type targetType = target.GetType();
Type objA = null;
PropertyInfo property = null;
MethodInfo info2 = null;
property = targetType.GetProperty(attribute, BindingFlags.NonPublic | BindingFlags.Public | BindingFlags.Instance | BindingFlags.IgnoreCase);
if ((property != null) && property.CanWrite)
{
objA = property.PropertyType;
}
else
{
property = null;
info2 = this.FindMethodInfo(targetType, attribute);
if (info2 != null)
{
objA = info2.GetParameters()[0].ParameterType;
}
}
if (objA == null)
{
string[] textArray1 = new string[] { "XmlHierarchyConfigurator: Cannot find Property [", attribute, "] to set object on [", target.ToString(), "]" };
LogLog.Error(declaringType, string.Concat(textArray1));
}
else
{
string str2 = null;
if (element.GetAttributeNode("value") != null)
{
str2 = element.GetAttribute("value");
}
else if (element.HasChildNodes)
{
IEnumerator enumerator = element.ChildNodes.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
XmlNode current = (XmlNode)enumerator.Current;
if ((current.NodeType == XmlNodeType.CDATA) || (current.NodeType == XmlNodeType.Text))
{
str2 = (str2 != null) ? (str2 + current.InnerText) : current.InnerText;
}
}
}
finally
{
IDisposable disposable = enumerator as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
}
if (str2 == null)
{
object obj3 = null;
if (ReferenceEquals(objA, typeof(string)) && !this.HasAttributesOrElements(element))
{
obj3 = string.Empty;
}
else
{
Type defaultTargetType = null;
if (IsTypeConstructible(objA))
{
defaultTargetType = objA;
}
obj3 = this.CreateObjectFromXml(element, defaultTargetType, objA);
}
if (obj3 == null)
{
LogLog.Error(declaringType, "Failed to create object to set param: " + attribute);
}
else if (property != null)
{
object[] objArray5 = new object[] { "Setting Property [", property.Name, "] to object [", obj3, "]" };
LogLog.Debug(declaringType, string.Concat(objArray5));
try
{
property.SetValue(target, obj3, BindingFlags.SetProperty, null, null, CultureInfo.InvariantCulture);
}
catch (TargetInvocationException exception4)
{
object[] objArray6 = new object[] { "Failed to set parameter [", property.Name, "] on object [", target, "] using value [", obj3, "]" };
LogLog.Error(declaringType, string.Concat(objArray6), exception4.InnerException);
}
}
else if (info2 != null)
{
object[] objArray7 = new object[] { "Setting Collection Property [", info2.Name, "] to object [", obj3, "]" };
LogLog.Debug(declaringType, string.Concat(objArray7));
try
{
object[] parameters = new object[] { obj3 };
info2.Invoke(target, BindingFlags.InvokeMethod, null, parameters, CultureInfo.InvariantCulture);
}
catch (TargetInvocationException exception5)
{
object[] objArray9 = new object[] { "Failed to set parameter [", info2.Name, "] on object [", target, "] using value [", obj3, "]" };
LogLog.Error(declaringType, string.Concat(objArray9), exception5.InnerException);
}
}
}
else
{
try
{
IDictionary environmentVariables = Environment.GetEnvironmentVariables();
if (this.HasCaseInsensitiveEnvironment)
{
environmentVariables = this.CreateCaseInsensitiveWrapper(environmentVariables);
}
str2 = OptionConverter.SubstituteVariables(str2, environmentVariables);
}
catch (SecurityException)
{
LogLog.Debug(declaringType, "Security exception while trying to expand environment variables. Error Ignored. No Expansion.");
}
Type type3 = null;
string typeName = element.GetAttribute("type");
if ((typeName != null) && (typeName.Length > 0))
{
try
{
Type c = SystemInfo.GetTypeFromString(typeName, true, true);
string[] textArray2 = new string[] { "Parameter [", attribute, "] specified subtype [", c.FullName, "]" };
LogLog.Debug(declaringType, string.Concat(textArray2));
if (objA.IsAssignableFrom(c))
{
objA = c;
}
else if (OptionConverter.CanConvertTypeTo(c, objA))
{
type3 = objA;
objA = c;
}
else
{
string[] textArray3 = new string[] { "subtype [", c.FullName, "] set on [", attribute, "] is not a subclass of property type [", objA.FullName, "] and there are no acceptable type conversions." };
LogLog.Error(declaringType, string.Concat(textArray3));
}
}
catch (Exception exception)
{
string[] textArray4 = new string[] { "Failed to find type [", typeName, "] set on [", attribute, "]" };
LogLog.Error(declaringType, string.Concat(textArray4), exception);
}
}
object sourceInstance = this.ConvertStringTo(objA, str2);
if ((sourceInstance != null) && (type3 != null))
{
string[] textArray5 = new string[] { "Performing additional conversion of value from [", sourceInstance.GetType().Name, "] to [", type3.Name, "]" };
LogLog.Debug(declaringType, string.Concat(textArray5));
sourceInstance = OptionConverter.ConvertTypeTo(sourceInstance, type3);
}
if (sourceInstance == null)
{
object[] objArray4 = new object[] { "Unable to set property [", attribute, "] on object [", target, "] using value [", str2, "] (with acceptable conversion types)" };
LogLog.Warn(declaringType, string.Concat(objArray4));
}
else if (property != null)
{
string[] textArray6 = new string[] { "Setting Property [", property.Name, "] to ", sourceInstance.GetType().Name, " value [", sourceInstance.ToString(), "]" };
LogLog.Debug(declaringType, string.Concat(textArray6));
try
{
property.SetValue(target, sourceInstance, BindingFlags.SetProperty, null, null, CultureInfo.InvariantCulture);
}
catch (TargetInvocationException exception2)
{
object[] objArray1 = new object[] { "Failed to set parameter [", property.Name, "] on object [", target, "] using value [", sourceInstance, "]" };
LogLog.Error(declaringType, string.Concat(objArray1), exception2.InnerException);
}
}
else if (info2 != null)
{
string[] textArray7 = new string[] { "Setting Collection Property [", info2.Name, "] to ", sourceInstance.GetType().Name, " value [", sourceInstance.ToString(), "]" };
LogLog.Debug(declaringType, string.Concat(textArray7));
try
{
object[] parameters = new object[] { sourceInstance };
info2.Invoke(target, BindingFlags.InvokeMethod, null, parameters, CultureInfo.InvariantCulture);
}
catch (TargetInvocationException exception3)
{
object[] objArray3 = new object[] { "Failed to set parameter [", attribute, "] on object [", target, "] using value [", sourceInstance, "]" };
LogLog.Error(declaringType, string.Concat(objArray3), exception3.InnerException);
}
}
}
}
}
protected virtual void Dispose(bool disposing)
{
if (!_disposed)
{
if (disposing)
{
if (_loggingTask != null)
{
if (!(_loggingTask.IsCanceled || _loggingTask.IsCompleted || _loggingTask.IsFaulted))
{
try
{
CompleteSubscriberTask();
}
catch (Exception ex)
{
LogLog.Error(ThisType, "Exception Completing Subscriber Task in Dispose Method", ex);
}
}
try
{
_loggingTask.Dispose();
}
catch (Exception ex)
{
LogLog.Error(ThisType, "Exception Disposing Logging Task", ex);
}
finally
{
_loggingTask = null;
}
}
if (_loggingEvents != null)
{
try
{
_loggingEvents.Dispose();
}
catch (Exception ex)
{
LogLog.Error(ThisType, "Exception Disposing BlockingCollection", ex);
}
finally
{
_loggingEvents = null;
}
}
if (_loggingCancelationTokenSource != null)
{
try
{
_loggingCancelationTokenSource.Dispose();
}
catch (Exception ex)
{
LogLog.Error(ThisType, "Exception Disposing CancellationTokenSource", ex);
}
finally
{
_loggingCancelationTokenSource = null;
}
}
}
_disposed = true;
}
}
/// <summary>
/// Configures the <see cref="ILoggerRepository"/> using the specified configuration
/// URI.
/// </summary>
/// <param name="repository">The repository to configure.</param>
/// <param name="configUri">A URI to load the XML configuration from.</param>
/// <remarks>
/// <para>
/// The configuration data must be valid XML. It must contain
/// at least one element called <c> Logging</c> that holds
/// the configuration data.
/// </para>
/// <para>
/// The <see cref="System.Net.WebRequest"/> must support the URI scheme specified.
/// </para>
/// </remarks>
static public void Configure(ILoggerRepository repository, Uri configUri)
{
LogLog.Trace("XmlConfigurator: configuring repository [" + repository.Name + "] using URI [" + configUri + "]");
if (configUri == null)
{
LogLog.Error("XmlConfigurator: Configure called with null 'configUri' parameter");
}
else
{
if (configUri.IsFile)
{
// If URI is local file then call Configure with FileInfo
Configure(repository, new FileInfo(configUri.LocalPath));
}
else
{
// NETCF dose not support WebClient
WebRequest configRequest = null;
try
{
configRequest = WebRequest.Create(configUri);
}
catch (Exception ex)
{
LogLog.Error("XmlConfigurator: Failed to create WebRequest for URI [" + configUri + "]", ex);
}
if (configRequest != null)
{
#if !NETCF
// authentication may be required, set client to use default credentials
try
{
configRequest.Credentials = CredentialCache.DefaultCredentials;
}
catch
{
// ignore security exception
LogLog.Warn("Exception while trying to get the systems credentials");
}
#endif
try
{
WebResponse response = configRequest.GetResponse();
if (response != null)
{
try
{
// Open stream on config URI
using (Stream configStream = response.GetResponseStream())
{
Configure(repository, configStream);
}
}
finally
{
response.Close();
}
}
}
catch (Exception ex)
{
LogLog.Error("XmlConfigurator: Failed to request config from URI [" + configUri + "]", ex);
}
}
}
}
}
/// <summary>
/// Attempt to load configuration from the local file system
/// </summary>
/// <param name="sourceAssembly">The assembly that this attribute was defined on.</param>
/// <param name="targetRepository">The repository to configure.</param>
void ConfigureFromFile(Assembly sourceAssembly, ILoggerRepository targetRepository)
{
// Work out the full path to the config file
string fullPath2ConfigFile = null;
// Select the config file
if (m_configFile == null || m_configFile.Length == 0)
{
if (m_configFileExtension == null || m_configFileExtension.Length == 0)
{
// Use the default .config file for the AppDomain
try
{
fullPath2ConfigFile = SystemInfo.ConfigurationFileLocation;
}
catch (Exception ex)
{
LogLog.Error(
"XmlConfiguratorAttribute: Exception getting ConfigurationFileLocation. Must be able to resolve ConfigurationFileLocation when ConfigFile and ConfigFileExtension properties are not set.",
ex);
}
}
else
{
// Force the extension to start with a '.'
if (m_configFileExtension[0] != '.')
{
m_configFileExtension = "." + m_configFileExtension;
}
string applicationBaseDirectory = null;
try
{
applicationBaseDirectory = SystemInfo.ApplicationBaseDirectory;
}
catch (Exception ex)
{
LogLog.Error(
"XmlConfiguratorAttribute: Exception getting ApplicationBaseDirectory. Must be able to resolve ApplicationBaseDirectory and AssemblyFileName when ConfigFileExtension property is set.",
ex);
}
if (applicationBaseDirectory != null)
{
fullPath2ConfigFile = Path.Combine(applicationBaseDirectory,
SystemInfo.AssemblyFileName(sourceAssembly) + m_configFileExtension);
}
}
}
else
{
string applicationBaseDirectory = null;
try
{
applicationBaseDirectory = SystemInfo.ApplicationBaseDirectory;
}
catch (Exception ex)
{
LogLog.Warn(
"XmlConfiguratorAttribute: Exception getting ApplicationBaseDirectory. ConfigFile property path [" +
m_configFile + "] will be treated as an absolute path.", ex);
}
if (applicationBaseDirectory != null)
{
// Just the base dir + the config file
fullPath2ConfigFile = Path.Combine(applicationBaseDirectory, m_configFile);
}
else
{
fullPath2ConfigFile = m_configFile;
}
}
if (fullPath2ConfigFile != null)
{
ConfigureFromFile(targetRepository, new FileInfo(fullPath2ConfigFile));
}
}
/// <summary>
/// Get the count of events
/// </summary>
public static string EventCount(
string parameters,
IEnumerable <LoggingEvent> events,
long loggingEventsLost)
{
if (string.IsNullOrEmpty(parameters) ||
"total".Equals(parameters, StringComparison.InvariantCultureIgnoreCase))
{
return(events.LongCount().ToString());
}
else if ("triggering".Equals(parameters, StringComparison.InvariantCultureIgnoreCase))
{
return(events
.Where(e => e.Properties[HtmlSmtpAppender.IsTriggerLoggingEvent] != null)
.LongCount()
.ToString());
}
else if ("lost".Equals(parameters, StringComparison.InvariantCultureIgnoreCase))
{
return(loggingEventsLost.ToString());
}
else if ("nontriggering".Equals(parameters, StringComparison.InvariantCultureIgnoreCase))
{
return(events
.Where(e => e.Properties[HtmlSmtpAppender.IsTriggerLoggingEvent] == null)
.LongCount()
.ToString());
}
else if (Regex.IsMatch(parameters, @"\d+"))
{
int level = int.Parse(parameters);
return(events.Where(e => e.Level.Value == level).LongCount().ToString());
}
else if (Enumerable.Any <Level>(LevelUtils.All,
e => e.Name.Equals(parameters, StringComparison.InvariantCultureIgnoreCase)))
{
return(events
.Where(e => e.Level.Name.Equals(parameters, StringComparison.InvariantCultureIgnoreCase))
.LongCount()
.ToString());
}
else if ("class.unrecoverable".Equals(parameters, StringComparison.InvariantCultureIgnoreCase))
{
// Critical < level <= Off
return(events.Where(e => e.Level.Value > Level.Critical.Value).LongCount().ToString());
}
else if ("class.recoverable".Equals(parameters, StringComparison.InvariantCultureIgnoreCase))
{
// Notice < level <= Critical
return(events
.Where(e => e.Level.Value > Level.Notice.Value && e.Level.Value <= Level.Critical.Value)
.LongCount()
.ToString());
}
else if ("class.information".Equals(parameters, StringComparison.InvariantCultureIgnoreCase))
{
// Debug < level <= Notice
return(events
.Where(e => e.Level.Value > Level.Debug.Value && e.Level.Value <= Level.Notice.Value)
.LongCount()
.ToString());
}
else if ("class.debug".Equals(parameters, StringComparison.InvariantCultureIgnoreCase))
{
// level <= Debug
return(events.Where(e => e.Level.Value <= Level.Debug.Value).LongCount().ToString());
}
else
{
LogLog.Error(
typeof(StringFormatterUtil),
string.Format("Invalid event count parameter '{0}'", parameters));
return("");
}
}
/// <summary>
/// Configures the repository using information from the assembly.
/// </summary>
/// <param name="assembly">The assembly containing <see cref="log4net.Config.ConfiguratorAttribute"/>
/// attributes which define the configuration for the repository.</param>
/// <param name="repository">The repository to configure.</param>
/// <exception cref="ArgumentNullException">
/// <para><paramref name="assembly" /> is <see langword="null" />.</para>
/// <para>-or-</para>
/// <para><paramref name="repository" /> is <see langword="null" />.</para>
/// </exception>
private void ConfigureRepository(Assembly assembly, ILoggerRepository repository)
{
if (assembly == null)
{
throw new ArgumentNullException("assembly");
}
if (repository == null)
{
throw new ArgumentNullException("repository");
}
// Look for the Configurator attributes (e.g. XmlConfiguratorAttribute) on the assembly
object[] configAttributes = Attribute.GetCustomAttributes(assembly, typeof(log4net.Config.ConfiguratorAttribute), false);
if (configAttributes != null && configAttributes.Length > 0)
{
// Sort the ConfiguratorAttributes in priority order
Array.Sort(configAttributes);
// Delegate to the attribute the job of configuring the repository
foreach (log4net.Config.ConfiguratorAttribute configAttr in configAttributes)
{
if (configAttr != null)
{
try
{
configAttr.Configure(assembly, repository);
}
catch (Exception ex)
{
LogLog.Error("DefaultRepositorySelector: Exception calling [" + configAttr.GetType().FullName + "] .Configure method.", ex);
}
}
}
}
if (repository.Name == DefaultRepositoryName)
{
// Try to configure the default repository using an AppSettings specified config file
// Do this even if the repository has been configured (or claims to be), this allows overriding
// of the default config files etc, if that is required.
string repositoryConfigFile = SystemInfo.GetAppSetting("log4net.Config");
if (repositoryConfigFile != null && repositoryConfigFile.Length > 0)
{
string applicationBaseDirectory = null;
try
{
applicationBaseDirectory = SystemInfo.ApplicationBaseDirectory;
}
catch (Exception ex)
{
LogLog.Warn("DefaultRepositorySelector: Exception getting ApplicationBaseDirectory. appSettings log4net.Config path [" + repositoryConfigFile + "] will be treated as an absolute URI", ex);
}
// As we are not going to watch the config file it is easiest to just resolve it as a
// URI and pass that to the Configurator
Uri repositoryConfigUri = null;
try
{
if (applicationBaseDirectory != null)
{
// Resolve the config path relative to the application base directory URI
repositoryConfigUri = new Uri(new Uri(applicationBaseDirectory), repositoryConfigFile);
}
else
{
repositoryConfigUri = new Uri(repositoryConfigFile);
}
}
catch (Exception ex)
{
LogLog.Error("DefaultRepositorySelector: Exception while parsing log4net.Config file path [" + repositoryConfigFile + "]", ex);
}
if (repositoryConfigUri != null)
{
LogLog.Debug("DefaultRepositorySelector: Loading configuration for default repository from AppSettings specified Config URI [" + repositoryConfigUri.ToString() + "]");
try
{
// TODO: Support other types of configurator
XmlConfigurator.Configure(repository, repositoryConfigUri);
}
catch (Exception ex)
{
LogLog.Error("DefaultRepositorySelector: Exception calling XmlConfigurator.Configure method with ConfigUri [" + repositoryConfigUri + "]", ex);
}
}
}
}
}
public void Error(string message, Exception exception)
{
LogLog.Error(typeof(VerboseLogger), message, exception);
}
/// <summary>
/// Creates a new repository for the assembly specified.
/// </summary>
/// <param name="repositoryAssembly">the assembly to use to create the repository to associate with the <see cref="ILoggerRepository"/>.</param>
/// <param name="repositoryType">The type of repository to create, must implement <see cref="ILoggerRepository"/>.</param>
/// <param name="repositoryName">The name to assign to the created repository</param>
/// <param name="readAssemblyAttributes">Set to <c>true</c> to read and apply the assembly attributes</param>
/// <returns>The repository created.</returns>
/// <remarks>
/// <para>
/// The <see cref="ILoggerRepository"/> created will be associated with the repository
/// specified such that a call to <see cref="M:GetRepository(Assembly)"/> with the
/// same assembly specified will return the same repository instance.
/// </para>
/// <para>
/// The type of the <see cref="ILoggerRepository"/> created and
/// the repository to create can be overridden by specifying the
/// <see cref="log4net.Config.RepositoryAttribute"/> attribute on the
/// <paramref name="repositoryAssembly"/>. The default values are to use the
/// <paramref name="repositoryType"/> implementation of the
/// <see cref="ILoggerRepository"/> interface and to use the
/// <see cref="AssemblyName.Name"/> as the name of the repository.
/// </para>
/// <para>
/// The <see cref="ILoggerRepository"/> created will be automatically
/// configured using any <see cref="log4net.Config.ConfiguratorAttribute"/>
/// attributes defined on the <paramref name="repositoryAssembly"/>.
/// </para>
/// <para>
/// If a repository for the <paramref name="repositoryAssembly"/> already exists
/// that repository will be returned. An error will not be raised and that
/// repository may be of a different type to that specified in <paramref name="repositoryType"/>.
/// Also the <see cref="log4net.Config.RepositoryAttribute"/> attribute on the
/// assembly may be used to override the repository type specified in
/// <paramref name="repositoryType"/>.
/// </para>
/// </remarks>
/// <exception cref="ArgumentNullException"><paramref name="repositoryAssembly"/> is <see langword="null" />.</exception>
public ILoggerRepository CreateRepository(Assembly repositoryAssembly, Type repositoryType, string repositoryName, bool readAssemblyAttributes)
{
if (repositoryAssembly == null)
{
throw new ArgumentNullException("repositoryAssembly");
}
// If the type is not set then use the default type
if (repositoryType == null)
{
repositoryType = m_defaultRepositoryType;
}
lock (this)
{
// Lookup in map
ILoggerRepository rep = m_assembly2repositoryMap[repositoryAssembly] as ILoggerRepository;
if (rep == null)
{
// Not found, therefore create
LogLog.Debug(declaringType, "Creating repository for assembly [" + repositoryAssembly + "]");
// Must specify defaults
string actualRepositoryName = repositoryName;
Type actualRepositoryType = repositoryType;
if (readAssemblyAttributes)
{
// Get the repository and type from the assembly attributes
GetInfoForAssembly(repositoryAssembly, ref actualRepositoryName, ref actualRepositoryType);
}
LogLog.Debug(declaringType, "Assembly [" + repositoryAssembly + "] using repository [" + actualRepositoryName + "] and repository type [" + actualRepositoryType + "]");
// Lookup the repository in the map (as this may already be defined)
rep = m_name2repositoryMap[actualRepositoryName] as ILoggerRepository;
if (rep == null)
{
// Create the repository
rep = CreateRepository(actualRepositoryName, actualRepositoryType);
if (readAssemblyAttributes)
{
try
{
// Look for aliasing attributes
LoadAliases(repositoryAssembly, rep);
// Look for plugins defined on the assembly
LoadPlugins(repositoryAssembly, rep);
// Configure the repository using the assembly attributes
ConfigureRepository(repositoryAssembly, rep);
}
catch (Exception ex)
{
LogLog.Error(declaringType, "Failed to configure repository [" + actualRepositoryName + "] from assembly attributes.", ex);
}
}
}
else
{
LogLog.Debug(declaringType, "repository [" + actualRepositoryName + "] already exists, using repository type [" + rep.GetType().FullName + "]");
if (readAssemblyAttributes)
{
try
{
// Look for plugins defined on the assembly
LoadPlugins(repositoryAssembly, rep);
}
catch (Exception ex)
{
LogLog.Error(declaringType, "Failed to configure repository [" + actualRepositoryName + "] from assembly attributes.", ex);
}
}
}
m_assembly2repositoryMap[repositoryAssembly] = rep;
}
return(rep);
}
}
protected override void Append(LoggingEvent loggingEvent)
{
LogLog.Debug(declaringType, "Debug - Appending...");
LogLog.Warn(declaringType, "Warn - Appending...");
LogLog.Error(declaringType, "Error - Appending...");
}
/// <summary>
/// Gets the repository name and repository type for the specified assembly.
/// </summary>
/// <param name="assembly">The assembly that has a <see cref="log4net.Config.RepositoryAttribute"/>.</param>
/// <param name="repositoryName">in/out param to hold the repository name to use for the assembly, caller should set this to the default value before calling.</param>
/// <param name="repositoryType">in/out param to hold the type of the repository to create for the assembly, caller should set this to the default value before calling.</param>
/// <exception cref="ArgumentNullException"><paramref name="assembly" /> is <see langword="null" />.</exception>
private void GetInfoForAssembly(Assembly assembly, ref string repositoryName, ref Type repositoryType)
{
if (assembly == null)
{
throw new ArgumentNullException("assembly");
}
try
{
LogLog.Debug(declaringType, "Assembly [" + assembly.FullName + "] Loaded From [" + SystemInfo.AssemblyLocationInfo(assembly) + "]");
}
catch
{
// Ignore exception from debug call
}
try
{
// Look for the RepositoryAttribute on the assembly
object[] repositoryAttributes = Attribute.GetCustomAttributes(assembly, typeof(log4net.Config.RepositoryAttribute), false);
if (repositoryAttributes == null || repositoryAttributes.Length == 0)
{
// This is not a problem, but its nice to know what is going on.
LogLog.Debug(declaringType, "Assembly [" + assembly + "] does not have a RepositoryAttribute specified.");
}
else
{
if (repositoryAttributes.Length > 1)
{
LogLog.Error(declaringType, "Assembly [" + assembly + "] has multiple log4net.Config.RepositoryAttribute assembly attributes. Only using first occurrence.");
}
log4net.Config.RepositoryAttribute domAttr = repositoryAttributes[0] as log4net.Config.RepositoryAttribute;
if (domAttr == null)
{
LogLog.Error(declaringType, "Assembly [" + assembly + "] has a RepositoryAttribute but it does not!.");
}
else
{
// If the Name property is set then override the default
if (domAttr.Name != null)
{
repositoryName = domAttr.Name;
}
// If the RepositoryType property is set then override the default
if (domAttr.RepositoryType != null)
{
// Check that the type is a repository
if (typeof(ILoggerRepository).IsAssignableFrom(domAttr.RepositoryType))
{
repositoryType = domAttr.RepositoryType;
}
else
{
LogLog.Error(declaringType, "DefaultRepositorySelector: Repository Type [" + domAttr.RepositoryType + "] must implement the ILoggerRepository interface.");
}
}
}
}
}
catch (Exception ex)
{
LogLog.Error(declaringType, "Unhandled exception in GetInfoForAssembly", ex);
}
}
protected override void Convert(TextWriter writer, object state)
{
if (string.IsNullOrEmpty(Option))
{
return;
}
try
{
var result = string.Empty;
const string CMD_LINE = "CommandLine:";
if (Option.StartsWith(CMD_LINE))
{
var args = Environment.CommandLine.Split(' ');
for (var i = 0; i < args.Length - 1; i++)
{
if (args[i].Equals(Option.Substring(CMD_LINE.Length), StringComparison.InvariantCultureIgnoreCase))
{
result = args[i + 1];
}
}
}
else
{
var repo = log4net.LogManager.GetRepository();
if (repo != null)
{
var realKey = Option;
foreach (var key in repo.Properties.GetKeys())
{
if (Path.DirectorySeparatorChar == '/' && key == "UNIX:" + Option)
{
realKey = "UNIX:" + Option;
}
if (Path.DirectorySeparatorChar == '\\' && key == "WINDOWS:" + Option)
{
realKey = "WINDOWS:" + Option;
}
}
var val = repo.Properties[realKey];
if (val is PatternString)
{
((PatternString)val).ActivateOptions();
((PatternString)val).Format(writer);
}
else if (val != null)
{
result = val.ToString();
}
}
}
if (!string.IsNullOrEmpty(result))
{
result = result.Replace('/', Path.DirectorySeparatorChar).Replace('\\', Path.DirectorySeparatorChar);
writer.Write(result);
}
}
catch (Exception err)
{
LogLog.Error(GetType(), "Can not convert " + Option, err);
}
}
/// <summary>
/// Hook the shutdown event
/// </summary>
/// <remarks>
/// <para>
/// On the full .NET runtime, the static constructor hooks up the
/// <c>AppDomain.ProcessExit</c> and <c>AppDomain.DomainUnload</c>> events.
/// These are used to shutdown the log4net system as the application exits.
/// </para>
/// </remarks>
static LoggerManager()
{
try
{
// Register the AppDomain events, note we have to do this with a
// method call rather than directly here because the AppDomain
// makes a LinkDemand which throws the exception during the JIT phase.
RegisterAppDomainEvents();
}
catch (System.Security.SecurityException)
{
LogLog.Debug(declaringType, "Security Exception (ControlAppDomain LinkDemand) while trying " +
"to register Shutdown handler with the AppDomain. LoggerManager.Shutdown() " +
"will not be called automatically when the AppDomain exits. It must be called " +
"programmatically.");
}
// Dump out our assembly version into the log if debug is enabled
LogLog.Debug(declaringType, GetVersionInfo());
// Set the default repository selector
#if NETCF
s_repositorySelector = new CompactRepositorySelector(typeof(log4net.Repository.Hierarchy.Hierarchy));
return;
#elif !NETSTANDARD1_3
// Look for the RepositorySelector type specified in the AppSettings 'log4net.RepositorySelector'
string appRepositorySelectorTypeName = SystemInfo.GetAppSetting("log4net.RepositorySelector");
if (appRepositorySelectorTypeName != null && appRepositorySelectorTypeName.Length > 0)
{
// Resolve the config string into a Type
Type appRepositorySelectorType = null;
try
{
appRepositorySelectorType = SystemInfo.GetTypeFromString(appRepositorySelectorTypeName, false, true);
}
catch (Exception ex)
{
LogLog.Error(declaringType, "Exception while resolving RepositorySelector Type [" + appRepositorySelectorTypeName + "]", ex);
}
if (appRepositorySelectorType != null)
{
// Create an instance of the RepositorySelectorType
object appRepositorySelectorObj = null;
try
{
appRepositorySelectorObj = Activator.CreateInstance(appRepositorySelectorType);
}
catch (Exception ex)
{
LogLog.Error(declaringType, "Exception while creating RepositorySelector [" + appRepositorySelectorType.FullName + "]", ex);
}
if (appRepositorySelectorObj != null && appRepositorySelectorObj is IRepositorySelector)
{
s_repositorySelector = (IRepositorySelector)appRepositorySelectorObj;
}
else
{
LogLog.Error(declaringType, "RepositorySelector Type [" + appRepositorySelectorType.FullName + "] is not an IRepositorySelector");
}
}
}
#endif
// Create the DefaultRepositorySelector if not configured above
if (s_repositorySelector == null)
{
s_repositorySelector = new DefaultRepositorySelector(typeof(log4net.Repository.Hierarchy.Hierarchy));
}
}
static private void InternalConfigure(ILoggerRepository repository, Uri configUri)
{
LogLog.Debug(declaringType, "configuring repository [" + repository.Name + "] using URI [" + configUri + "]");
if (configUri == null)
{
LogLog.Error(declaringType, "Configure called with null 'configUri' parameter");
}
else
{
if (configUri.IsFile)
{
// If URI is local file then call Configure with FileInfo
InternalConfigure(repository, new FileInfo(configUri.LocalPath));
}
else
{
// NETCF dose not support WebClient
WebRequest configRequest = null;
try
{
configRequest = WebRequest.Create(configUri);
}
catch (Exception ex)
{
LogLog.Error(declaringType, "Failed to create WebRequest for URI [" + configUri + "]", ex);
}
if (configRequest != null)
{
#if !NETCF_1_0
// authentication may be required, set client to use default credentials
try
{
configRequest.Credentials = CredentialCache.DefaultCredentials;
}
catch
{
// ignore security exception
}
#endif
try
{
#if NETSTANDARD1_3
WebResponse response = configRequest.GetResponseAsync().GetAwaiter().GetResult();
#else
WebResponse response = configRequest.GetResponse();
#endif
if (response != null)
{
try
{
// Open stream on config URI
using (Stream configStream = response.GetResponseStream())
{
InternalConfigure(repository, configStream);
}
}
finally
{
response.Close();
}
}
}
catch (Exception ex)
{
LogLog.Error(declaringType, "Failed to request config from URI [" + configUri + "]", ex);
}
}
}
}
}
/// <summary>
/// Sets a parameter on an object.
/// </summary>
/// <param name="element">The parameter element.</param>
/// <param name="target">The object to set the parameter on.</param>
/// <remarks>
/// The parameter name must correspond to a writable property
/// on the object. The value of the parameter is a string,
/// therefore this function will attempt to set a string
/// property first. If unable to set a string property it
/// will inspect the property and its argument type. It will
/// attempt to call a static method called <c>Parse</c> on the
/// type of the property. This method will take a single
/// string argument and return a value that can be used to
/// set the property.
/// </remarks>
protected void SetParameter(XmlElement element, object target)
{
// Get the property name
string name = element.GetAttribute(NAME_ATTR);
// If the name attribute does not exist then use the name of the element
if (element.LocalName != PARAM_TAG || name == null || name.Length == 0)
{
name = element.LocalName;
}
// Look for the property on the target object
Type targetType = target.GetType();
Type propertyType = null;
PropertyInfo propInfo = null;
MethodInfo methInfo = null;
// Try to find a writable property
propInfo = targetType.GetProperty(name, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.IgnoreCase);
if (propInfo != null && propInfo.CanWrite)
{
// found a property
propertyType = propInfo.PropertyType;
}
else
{
propInfo = null;
// look for a method with the signature Add<property>(type)
methInfo = FindMethodInfo(targetType, name);
if (methInfo != null)
{
propertyType = methInfo.GetParameters()[0].ParameterType;
}
}
if (propertyType == null)
{
LogLog.Error(declaringType, "XmlHierarchyConfigurator: Cannot find Property [" + name + "] to set object on [" + target.ToString() + "]");
}
else
{
string propertyValue = null;
if (element.GetAttributeNode(VALUE_ATTR) != null)
{
propertyValue = element.GetAttribute(VALUE_ATTR);
}
else if (element.HasChildNodes)
{
// Concatenate the CDATA and Text nodes together
foreach (XmlNode childNode in element.ChildNodes)
{
if (childNode.NodeType == XmlNodeType.CDATA || childNode.NodeType == XmlNodeType.Text)
{
if (propertyValue == null)
{
propertyValue = childNode.InnerText;
}
else
{
propertyValue += childNode.InnerText;
}
}
}
}
if (propertyValue != null)
{
#if !(NETCF || NETSTANDARD1_3) // NETSTANDARD1_3: System.Runtime.InteropServices.RuntimeInformation not available on desktop 4.6
try
{
// Expand environment variables in the string.
IDictionary environmentVariables = Environment.GetEnvironmentVariables();
if (HasCaseInsensitiveEnvironment)
{
environmentVariables = CreateCaseInsensitiveWrapper(environmentVariables);
}
propertyValue = OptionConverter.SubstituteVariables(propertyValue, environmentVariables);
}
catch (System.Security.SecurityException)
{
// This security exception will occur if the caller does not have
// unrestricted environment permission. If this occurs the expansion
// will be skipped with the following warning message.
LogLog.Debug(declaringType, "Security exception while trying to expand environment variables. Error Ignored. No Expansion.");
}
#endif
Type parsedObjectConversionTargetType = null;
// Check if a specific subtype is specified on the element using the 'type' attribute
string subTypeString = element.GetAttribute(TYPE_ATTR);
if (subTypeString != null && subTypeString.Length > 0)
{
// Read the explicit subtype
try
{
#if NETSTANDARD1_3
Type subType = SystemInfo.GetTypeFromString(this.GetType().GetTypeInfo().Assembly, subTypeString, true, true);
#else
Type subType = SystemInfo.GetTypeFromString(subTypeString, true, true);
#endif
LogLog.Debug(declaringType, "Parameter [" + name + "] specified subtype [" + subType.FullName + "]");
if (!propertyType.IsAssignableFrom(subType))
{
// Check if there is an appropriate type converter
if (OptionConverter.CanConvertTypeTo(subType, propertyType))
{
// Must re-convert to the real property type
parsedObjectConversionTargetType = propertyType;
// Use sub type as intermediary type
propertyType = subType;
}
else
{
LogLog.Error(declaringType, "subtype [" + subType.FullName + "] set on [" + name + "] is not a subclass of property type [" + propertyType.FullName + "] and there are no acceptable type conversions.");
}
}
else
{
// The subtype specified is found and is actually a subtype of the property
// type, therefore we can switch to using this type.
propertyType = subType;
}
}
catch (Exception ex)
{
LogLog.Error(declaringType, "Failed to find type [" + subTypeString + "] set on [" + name + "]", ex);
}
}
// Now try to convert the string value to an acceptable type
// to pass to this property.
object convertedValue = ConvertStringTo(propertyType, propertyValue);
// Check if we need to do an additional conversion
if (convertedValue != null && parsedObjectConversionTargetType != null)
{
LogLog.Debug(declaringType, "Performing additional conversion of value from [" + convertedValue.GetType().Name + "] to [" + parsedObjectConversionTargetType.Name + "]");
convertedValue = OptionConverter.ConvertTypeTo(convertedValue, parsedObjectConversionTargetType);
}
if (convertedValue != null)
{
if (propInfo != null)
{
// Got a converted result
LogLog.Debug(declaringType, "Setting Property [" + propInfo.Name + "] to " + convertedValue.GetType().Name + " value [" + convertedValue.ToString() + "]");
try
{
// Pass to the property
#if NETSTANDARD1_3 // TODO BindingFlags is available for netstandard1.5
propInfo.SetValue(target, convertedValue, null);
#else
propInfo.SetValue(target, convertedValue, BindingFlags.SetProperty, null, null, CultureInfo.InvariantCulture);
#endif
}
catch (TargetInvocationException targetInvocationEx)
{
LogLog.Error(declaringType, "Failed to set parameter [" + propInfo.Name + "] on object [" + target + "] using value [" + convertedValue + "]", targetInvocationEx.InnerException);
}
}
else if (methInfo != null)
{
// Got a converted result
LogLog.Debug(declaringType, "Setting Collection Property [" + methInfo.Name + "] to " + convertedValue.GetType().Name + " value [" + convertedValue.ToString() + "]");
try
{
// Pass to the property
#if NETSTANDARD1_3 // TODO BindingFlags is available for netstandard1.5
methInfo.Invoke(target, new[] { convertedValue });
#else
methInfo.Invoke(target, BindingFlags.InvokeMethod, null, new object[] { convertedValue }, CultureInfo.InvariantCulture);
#endif
}
catch (TargetInvocationException targetInvocationEx)
{
LogLog.Error(declaringType, "Failed to set parameter [" + name + "] on object [" + target + "] using value [" + convertedValue + "]", targetInvocationEx.InnerException);
}
}
}
else
{
LogLog.Warn(declaringType, "Unable to set property [" + name + "] on object [" + target + "] using value [" + propertyValue + "] (with acceptable conversion types)");
}
}
else
{
object createdObject = null;
if (propertyType == typeof(string) && !HasAttributesOrElements(element))
{
// If the property is a string and the element is empty (no attributes
// or child elements) then we special case the object value to an empty string.
// This is necessary because while the String is a class it does not have
// a default constructor that creates an empty string, which is the behavior
// we are trying to simulate and would be expected from CreateObjectFromXml
createdObject = "";
}
else
{
// No value specified
Type defaultObjectType = null;
if (IsTypeConstructible(propertyType))
{
defaultObjectType = propertyType;
}
createdObject = CreateObjectFromXml(element, defaultObjectType, propertyType);
}
if (createdObject == null)
{
LogLog.Error(declaringType, "Failed to create object to set param: " + name);
}
else
{
if (propInfo != null)
{
// Got a converted result
LogLog.Debug(declaringType, "Setting Property [" + propInfo.Name + "] to object [" + createdObject + "]");
try
{
// Pass to the property
#if NETSTANDARD1_3 // TODO BindingFlags is available for netstandard1.5
propInfo.SetValue(target, createdObject, null);
#else
propInfo.SetValue(target, createdObject, BindingFlags.SetProperty, null, null, CultureInfo.InvariantCulture);
#endif
}
catch (TargetInvocationException targetInvocationEx)
{
LogLog.Error(declaringType, "Failed to set parameter [" + propInfo.Name + "] on object [" + target + "] using value [" + createdObject + "]", targetInvocationEx.InnerException);
}
}
else if (methInfo != null)
{
// Got a converted result
LogLog.Debug(declaringType, "Setting Collection Property [" + methInfo.Name + "] to object [" + createdObject + "]");
try
{
// Pass to the property
#if NETSTANDARD1_3 // TODO BindingFlags is available for netstandard1.5
methInfo.Invoke(target, new[] { createdObject });
#else
methInfo.Invoke(target, BindingFlags.InvokeMethod, null, new object[] { createdObject }, CultureInfo.InvariantCulture);
#endif
}
catch (TargetInvocationException targetInvocationEx)
{
LogLog.Error(declaringType, "Failed to set parameter [" + methInfo.Name + "] on object [" + target + "] using value [" + createdObject + "]", targetInvocationEx.InnerException);
}
}
}
}
}
}
static private void InternalConfigure(ILoggerRepository repository, Stream configStream)
{
LogLog.Debug(declaringType, "configuring repository [" + repository.Name + "] using stream");
if (configStream == null)
{
LogLog.Error(declaringType, "Configure called with null 'configStream' parameter");
}
else
{
// Load the config file into a document
XmlDocument doc = new XmlDocument();
try
{
#if (NETCF)
// Create a text reader for the file stream
XmlTextReader xmlReader = new XmlTextReader(configStream);
#elif NET_2_0 || NETSTANDARD1_3
// Allow the DTD to specify entity includes
XmlReaderSettings settings = new XmlReaderSettings();
// .NET 4.0 warning CS0618: 'System.Xml.XmlReaderSettings.ProhibitDtd'
// is obsolete: 'Use XmlReaderSettings.DtdProcessing property instead.'
#if NETSTANDARD1_3 // TODO DtdProcessing.Parse not yet available (https://github.com/dotnet/corefx/issues/4376)
settings.DtdProcessing = DtdProcessing.Ignore;
#elif !NET_4_0 && !MONO_4_0
settings.ProhibitDtd = false;
#else
settings.DtdProcessing = DtdProcessing.Parse;
#endif
// Create a reader over the input stream
XmlReader xmlReader = XmlReader.Create(configStream, settings);
#else
// Create a validating reader around a text reader for the file stream
XmlValidatingReader xmlReader = new XmlValidatingReader(new XmlTextReader(configStream));
// Specify that the reader should not perform validation, but that it should
// expand entity refs.
xmlReader.ValidationType = ValidationType.None;
xmlReader.EntityHandling = EntityHandling.ExpandEntities;
#endif
// load the data into the document
doc.Load(xmlReader);
}
catch (Exception ex)
{
LogLog.Error(declaringType, "Error while loading XML configuration", ex);
// The document is invalid
doc = null;
}
if (doc != null)
{
LogLog.Debug(declaringType, "loading XML configuration");
// Configure using the 'log4net' element
XmlNodeList configNodeList = doc.GetElementsByTagName("log4net");
if (configNodeList.Count == 0)
{
LogLog.Debug(declaringType, "XML configuration does not contain a <log4net> element. Configuration Aborted.");
}
else if (configNodeList.Count > 1)
{
LogLog.Error(declaringType, "XML configuration contains [" + configNodeList.Count + "] <log4net> elements. Only one is allowed. Configuration Aborted.");
}
else
{
InternalConfigureFromXml(repository, configNodeList[0] as XmlElement);
}
}
}
}
/// <summary>
/// Creates an object as specified in XML.
/// </summary>
/// <param name="element">The XML element that contains the definition of the object.</param>
/// <param name="defaultTargetType">The object type to use if not explicitly specified.</param>
/// <param name="typeConstraint">The type that the returned object must be or must inherit from.</param>
/// <returns>The object or <c>null</c></returns>
/// <remarks>
/// <para>
/// Parse an XML element and create an object instance based on the configuration
/// data.
/// </para>
/// <para>
/// The type of the instance may be specified in the XML. If not
/// specified then the <paramref name="defaultTargetType"/> is used
/// as the type. However the type is specified it must support the
/// <paramref name="typeConstraint"/> type.
/// </para>
/// </remarks>
protected object CreateObjectFromXml(XmlElement element, Type defaultTargetType, Type typeConstraint)
{
Type objectType = null;
// Get the object type
string objectTypeString = element.GetAttribute(TYPE_ATTR);
if (objectTypeString == null || objectTypeString.Length == 0)
{
if (defaultTargetType == null)
{
LogLog.Error(declaringType, "Object type not specified. Cannot create object of type [" + typeConstraint.FullName + "]. Missing Value or Type.");
return(null);
}
else
{
// Use the default object type
objectType = defaultTargetType;
}
}
else
{
// Read the explicit object type
try
{
#if NETSTANDARD1_3
objectType = SystemInfo.GetTypeFromString(this.GetType().GetTypeInfo().Assembly, objectTypeString, true, true);
#else
objectType = SystemInfo.GetTypeFromString(objectTypeString, true, true);
#endif
}
catch (Exception ex)
{
LogLog.Error(declaringType, "Failed to find type [" + objectTypeString + "]", ex);
return(null);
}
}
bool requiresConversion = false;
// Got the object type. Check that it meets the typeConstraint
if (typeConstraint != null)
{
if (!typeConstraint.IsAssignableFrom(objectType))
{
// Check if there is an appropriate type converter
if (OptionConverter.CanConvertTypeTo(objectType, typeConstraint))
{
requiresConversion = true;
}
else
{
LogLog.Error(declaringType, "Object type [" + objectType.FullName + "] is not assignable to type [" + typeConstraint.FullName + "]. There are no acceptable type conversions.");
return(null);
}
}
}
// Create using the default constructor
object createdObject = null;
try
{
createdObject = Activator.CreateInstance(objectType);
}
catch (Exception createInstanceEx)
{
LogLog.Error(declaringType, "XmlHierarchyConfigurator: Failed to construct object of type [" + objectType.FullName + "] Exception: " + createInstanceEx.ToString());
}
// Set any params on object
foreach (XmlNode currentNode in element.ChildNodes)
{
if (currentNode.NodeType == XmlNodeType.Element)
{
SetParameter((XmlElement)currentNode, createdObject);
}
}
// Check if we need to call ActivateOptions
IOptionHandler optionHandler = createdObject as IOptionHandler;
if (optionHandler != null)
{
optionHandler.ActivateOptions();
}
// Ok object should be initialized
if (requiresConversion)
{
// Convert the object type
return(OptionConverter.ConvertTypeTo(createdObject, typeConstraint));
}
else
{
// The object is of the correct type
return(createdObject);
}
}
protected IAppender ParseAppender(XmlElement appenderElement)
{
string attribute = appenderElement.GetAttribute("name");
string typeName = appenderElement.GetAttribute("type");
string[] textArray1 = new string[] { "Loading Appender [", attribute, "] type: [", typeName, "]" };
LogLog.Debug(declaringType, string.Concat(textArray1));
try
{
IAppender target = (IAppender)Activator.CreateInstance(SystemInfo.GetTypeFromString(typeName, true, true));
target.Name = attribute;
IEnumerator enumerator = appenderElement.ChildNodes.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
XmlNode current = (XmlNode)enumerator.Current;
if (current.NodeType == XmlNodeType.Element)
{
XmlElement element = (XmlElement)current;
if (element.LocalName != "appender-ref")
{
this.SetParameter(element, target);
continue;
}
string str3 = element.GetAttribute("ref");
IAppenderAttachable attachable = target as IAppenderAttachable;
if (attachable == null)
{
string[] textArray3 = new string[] { "Requesting attachment of appender named [", str3, "] to appender named [", target.Name, "] which does not implement log4net.Core.IAppenderAttachable." };
LogLog.Error(declaringType, string.Concat(textArray3));
continue;
}
string[] textArray2 = new string[] { "Attaching appender named [", str3, "] to appender named [", target.Name, "]." };
LogLog.Debug(declaringType, string.Concat(textArray2));
IAppender appender2 = this.FindAppenderByReference(element);
if (appender2 != null)
{
attachable.AddAppender(appender2);
}
}
}
}
finally
{
IDisposable disposable = enumerator as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
IOptionHandler handler = target as IOptionHandler;
if (handler != null)
{
handler.ActivateOptions();
}
LogLog.Debug(declaringType, "Created Appender [" + attribute + "]");
return(target);
}
catch (Exception exception)
{
string[] textArray4 = new string[] { "Could not create Appender [", attribute, "] of type [", typeName, "]. Reported error follows." };
LogLog.Error(declaringType, string.Concat(textArray4), exception);
return(null);
}
}