internal static void ParseTracing(ZooKeeperConfiguration config, XElement root)
{
if (root.Attribute("DefaultTraceLevel") != null)
{
config.DefaultTraceLevel = ParseSeverity(root.Attribute("DefaultTraceLevel").Value,
"Invalid trace level DefaultTraceLevel attribute value on Tracing element for ZooKeeper Client");
}
foreach (XElement grandchild in root.Elements())
{
if (grandchild == null)
{
continue;
}
if (grandchild.Name.LocalName.Equals("TraceLevelOverride") && grandchild.Attribute("TraceLevel") != null &&
grandchild.Attribute("LogPrefix") != null)
{
config.TraceLevelOverrides.Add(new Tuple <string, TraceLevel>(grandchild.Attribute("LogPrefix").Value,
ParseSeverity(grandchild.Attribute("TraceLevel").Value,
"Invalid trace level TraceLevel attribute value on TraceLevelOverride element for ZooKeeper Client prefix " +
grandchild.Attribute("LogPrefix").Value)));
}
}
}
/// <summary>
/// </summary>
public static ZooKeeperConfiguration LoadFromFile(string fileName)
{
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
var config = new ZooKeeperConfiguration();
string xml = File.ReadAllText(fileName);
XElement root = XDocument.Load(xml).Root;
config.LoadFromXml(root);
config.SourceFile = fileName;
return(config);
}
public static void Initialize(ZooKeeperConfiguration config)
{
if (config == null)
{
config = new ZooKeeperConfiguration();
}
lock (lockable)
{
if (IsInitialized)
{
return; // Already initialized
}
traceLevel = config.DefaultTraceLevel;
SetTraceLevelOverrides(config.TraceLevelOverrides);
if (!string.IsNullOrEmpty(config.TraceFileName))
{
try
{
logOutputFile = new FileInfo(config.TraceFileName);
var l = new LogWriterToFile(logOutputFile);
LogConsumers.Add(l);
}
catch (Exception exc)
{
Trace.Listeners.Add(new DefaultTraceListener());
Trace.TraceError("Error opening trace file {0} -- Using DefaultTraceListener instead -- Exception={1}", logOutputFile, exc);
}
}
if (Trace.Listeners.Count > 0)
{
// Plumb in log consumer to write to Trace listeners
var traceLogConsumer = new LogWriterToTrace();
LogConsumers.Add(traceLogConsumer);
}
IsInitialized = true;
}
}
