public ICallTreeDataProvider Get()
{
var queryString = this.httpRequest.Query;
string filename = queryString["filename"];
string stacktype = queryString["stacktype"];
if (string.IsNullOrEmpty(filename))
{
throw new ArgumentNullException("filename");
}
if (string.IsNullOrEmpty(stacktype))
{
throw new ArgumentNullException("stacktype");
}
/* symbols and sources related parameters */
string sympathStr = (string)queryString["sympath"] ?? SymbolPath.MicrosoftSymbolServerPath;
SymbolPath symPath = new SymbolPath(sympathStr);
string defaultSymbolCache = symPath.DefaultSymbolCache();
// Normalize the symbol path.
symPath = symPath.InsureHasCache(defaultSymbolCache);
sympathStr = symPath.ToString();
string srcpath = (string)queryString["srcpath"];
//TODO FIX NOW: Dont spew to the Console, send it back to the client.
SymbolReader symbolReader = new SymbolReader(Console.Out, sympathStr);
if (srcpath != null)
{
symbolReader.SourcePath = srcpath;
}
string modulePatStr = (string)queryString["symLookupPats"] ?? @"^(clr|ntoskrnl|ntdll|.*\.ni)";
/* filtering parameters */
string start = (string)queryString["start"] ?? string.Empty;
string end = (string)queryString["end"] ?? string.Empty;
string incpats = (string)queryString["incpats"] ?? string.Empty;
string excpats = (string)queryString["excpats"] ?? string.Empty;
string foldpats = (string)queryString["foldpats"] ?? string.Empty;
string grouppats = (string)queryString["grouppats"] ?? string.Empty;
string foldpct = (string)queryString["foldpct"] ?? string.Empty;
string find = (string)queryString["find"] ?? string.Empty;
EtlxFile etlxFile;
// Do it twice so that XXX.etl.zip becomes XXX.
string etlxFilePath = Path.ChangeExtension(Path.ChangeExtension(filename, null), ".etlx");
lock (this.etlxCache)
{
if (this.etlxCache.TryGetValue(filename, out etlxFile))
{
if (etlxFile == null)
{
throw new ArgumentNullException("etlxFile");
}
}
else
{
etlxFile = new EtlxFile(filename)
{
Pending = true
};
this.etlxCache.Set(filename, etlxFile, this.cacheExpirationTime);
}
}
lock (etlxFile)
{
if (etlxFile.Pending)
{
if (!File.Exists(etlxFilePath))
{
// if it's a zip file
if (string.Equals(Path.GetExtension(filename), ".zip", StringComparison.OrdinalIgnoreCase))
{
//TODO FIX NOW: Dont spew to the Console, send it back to the client.
ZippedETLReader reader = new ZippedETLReader(filename, Console.Out);
reader.SymbolDirectory = defaultSymbolCache;
reader.EtlFileName = Path.ChangeExtension(etlxFilePath, etlExtension);
reader.UnpackAchive();
TraceLog.CreateFromEventTraceLogFile(reader.EtlFileName, etlxFilePath);
}
else
{
TraceLog.CreateFromEventTraceLogFile(filename, etlxFilePath);
}
}
etlxFile.TraceLog = TraceLog.OpenOrConvert(etlxFilePath);
etlxFile.Pending = false;
}
Regex modulePat = new Regex(modulePatStr, RegexOptions.IgnoreCase);
foreach (var moduleFile in etlxFile.TraceLog.ModuleFiles)
{
if (modulePat.IsMatch(moduleFile.Name))
{
etlxFile.TraceLog.CodeAddresses.LookupSymbolsForModule(symbolReader, moduleFile);
}
}
}
StackViewerSession stackViewerSession;
lock (this.stackViewerSessionCache)
{
var filterParams = new FilterParams {
Name = filename + stacktype, StartTimeRelativeMSec = start, EndTimeRelativeMSec = end, MinInclusiveTimePercent = foldpct, FoldRegExs = foldpats, IncludeRegExs = incpats, ExcludeRegExs = excpats, GroupRegExs = grouppats
};
var keyBuilder = new StringBuilder();
keyBuilder.Append(filterParams.Name).Append("?" + filterParams.StartTimeRelativeMSec).Append("?" + filterParams.EndTimeRelativeMSec).Append("?" + filterParams.MinInclusiveTimePercent).Append("?" + filterParams.FoldRegExs).Append("?" + filterParams.IncludeRegExs).Append("?" + filterParams.ExcludeRegExs).Append("?" + filterParams.GroupRegExs).Append("?" + find);
var stackViewerKey = keyBuilder.ToString();
if (this.stackViewerSessionCache.TryGetValue(stackViewerKey, out stackViewerSession))
{
if (stackViewerSession == null)
{
throw new ArgumentNullException("stackViewerSession");
}
}
else
{
stackViewerSession = new StackViewerSession(filename, stacktype, etlxFile.TraceLog, filterParams, symbolReader);
this.stackViewerSessionCache.Set(stackViewerKey, stackViewerSession, cacheExpirationTime);
}
}
lock (stackViewerSession)
{
if (stackViewerSession.Pending)
{
stackViewerSession.InitializeDataProvider();
stackViewerSession.Pending = false;
}
}
return(stackViewerSession.GetDataProvider());
}
protected bool Equals(StackViewerSession other)
{
return(Equals(this.FilterParams, other.FilterParams) && string.Equals(this.Filename, other.Filename) && string.Equals(this.StackType, other.StackType));
}