protected PerfCounterBase LoadFromXml(XmlElement el)
{
string n = el.LocalName;
string tn = typeof(XmlPerfCounterSetBuilder).Namespace + "." + n;
Type tp = Type.GetType(tn);
if (tp == null)
{
throw new Exception("Could not find performance counter type: " + tn);
}
PerfCounterBase pcb = (PerfCounterBase)Activator.CreateInstance(tp);
foreach (XmlAttribute attr in el.Attributes)
{
PropertyInfo pi = pcb.GetType().GetProperty(attr.LocalName, BindingFlags.Public | BindingFlags.Instance | BindingFlags.FlattenHierarchy);
if (pi == null)
{
throw new Exception("Perf counter " + pcb.GetType().Name + ": missing property " + attr.LocalName);
}
object val;
if (pi.PropertyType == typeof(Regex))
{
val = new Regex(el.GetAttribute(pi.Name));
}
else
{
val = Convert.ChangeType(el.GetAttribute(pi.Name), pi.PropertyType);
}
pi.SetValue(pcb, val, null);
}
return(pcb);
}
protected IPerfCounterSet BuildFromXml(XmlElement root)
{
PerfCounterSet pcs = new PerfCounterSet();
pcs.AutoLogStatistics = true;
if (root.HasAttribute("Name"))
{
pcs.Name = root.GetAttribute("Name");
}
if (root.HasAttribute("Debug"))
{
pcs.Debug = "true".Equals(root.GetAttribute("Debug"));
}
foreach (XmlNode n in root.ChildNodes)
{
XmlElement el = n as XmlElement;
if (el != null)
{
PerfCounterBase pcb = LoadFromXml(el);
if (pcb.Name == null)
{
throw new Exception("Missing perf counter name: " + el.OuterXml);
}
pcs.AddCounter(pcb);
}
}
return(pcs);
}
