public TraceSource(string name, SourceLevels defaultLevel)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
if (name.Length == 0)
{
throw new ArgumentException("name");
}
Hashtable sources = DiagnosticsConfiguration.Settings ["sources"] as Hashtable;
TraceSourceInfo info = sources != null ? sources [name] as TraceSourceInfo : null;
source_switch = new SourceSwitch(name);
if (info == null)
{
listeners = new TraceListenerCollection();
source_switch.Level = defaultLevel;
}
else
{
source_switch.Level = info.Levels;
listeners = info.Listeners;
}
}
/// <summary>Initializes a new instance of the <see cref="T:System.Diagnostics.TraceSource" /> class, using the specified name for the source and the default source level at which tracing is to occur. </summary>
/// <param name="name">The name of the source, typically the name of the application.</param>
/// <param name="defaultLevel">A bitwise combination of the <see cref="T:System.Diagnostics.SourceLevels" /> values that specifies the default source level at which to trace.</param>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="name" /> is null.</exception>
/// <exception cref="T:System.ArgumentException">
/// <paramref name="name" /> is an empty string ("").</exception>
public TraceSource(string name, SourceLevels sourceLevels)
{
if (name == null)
{
throw new ArgumentNullException("name");
}
Hashtable hashtable = null;
TraceSourceInfo traceSourceInfo = (hashtable == null) ? null : (hashtable[name] as TraceSourceInfo);
source_switch = new SourceSwitch(name);
if (traceSourceInfo == null)
{
listeners = new TraceListenerCollection();
return;
}
source_switch.Level = traceSourceInfo.Levels;
listeners = traceSourceInfo.Listeners;
}
private void AddTraceSource (IDictionary d, Hashtable sources, XmlNode node)
{
string name = null;
SourceLevels levels = SourceLevels.Error;
StringDictionary atts = new StringDictionary ();
foreach (XmlAttribute a in node.Attributes) {
switch (a.Name) {
case "name":
name = a.Value;
break;
case "switchValue":
levels = (SourceLevels) Enum.Parse (typeof (SourceLevels), a.Value);
break;
default:
atts [a.Name] = a.Value;
break;
}
}
if (name == null)
throw new ConfigurationException ("Mandatory attribute 'name' is missing in 'source' element.");
// ignore duplicate ones (no error occurs)
if (sources.ContainsKey (name))
return;
TraceSourceInfo sinfo = new TraceSourceInfo (name, levels, configValues);
sources.Add (sinfo.Name, sinfo);
foreach (XmlNode child in node.ChildNodes) {
XmlNodeType t = child.NodeType;
if (t == XmlNodeType.Whitespace || t == XmlNodeType.Comment)
continue;
if (t == XmlNodeType.Element) {
if (child.Name == "listeners")
AddTraceListeners (d, child, sinfo.Listeners);
else
ThrowUnrecognizedElement (child);
ValidateInvalidAttributes (child.Attributes, child);
}
else
ThrowUnrecognizedNode (child);
}
}
private void AddTraceSource(IDictionary d, Hashtable sources, XmlNode node)
{
string name = null;
SourceLevels levels = SourceLevels.Error;
StringDictionary atts = new StringDictionary();
foreach (XmlAttribute a in node.Attributes)
{
switch (a.Name)
{
case "name":
name = a.Value;
break;
case "switchValue":
levels = (SourceLevels)Enum.Parse(typeof(SourceLevels), a.Value);
break;
default:
atts [a.Name] = a.Value;
break;
}
}
if (name == null)
{
throw new ConfigurationException("Mandatory attribute 'name' is missing in 'source' element.");
}
// ignore duplicate ones (no error occurs)
if (sources.ContainsKey(name))
{
return;
}
TraceSourceInfo sinfo = new TraceSourceInfo(name, levels, configValues);
sources.Add(sinfo.Name, sinfo);
foreach (XmlNode child in node.ChildNodes)
{
XmlNodeType t = child.NodeType;
if (t == XmlNodeType.Whitespace || t == XmlNodeType.Comment)
{
continue;
}
if (t == XmlNodeType.Element)
{
if (child.Name == "listeners")
{
AddTraceListeners(d, child, sinfo.Listeners);
}
else
{
ThrowUnrecognizedElement(child);
}
ValidateInvalidAttributes(child.Attributes, child);
}
else
{
ThrowUnrecognizedNode(child);
}
}
}
