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 sympath = queryString["sympath"];
string srcpath = queryString["srcpath"];
string imageFilter = queryString["imagefilter"];
string modulesFilter = queryString["modulesfilter"];
/* filtering parameters */
string start = queryString["start"];
string end = queryString["end"];
string incpats = queryString["incpats"];
string excpats = queryString["excpats"];
string foldpats = queryString["foldpats"];
string grouppats = queryString["grouppats"];
string foldpct = queryString["foldpct"];
EtlxFile etlxFile;
string etlxFilePath = Path.Combine(tempPath, Path.ChangeExtension(filename.Replace(@"\", "_"), etlxExtension));
SymbolReader symbolReader;
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), ".vspx", StringComparison.OrdinalIgnoreCase))
{
using (ZipArchive archive = ZipFile.OpenRead(filename))
{
foreach (ZipArchiveEntry entry in archive.Entries)
{
if (entry.FullName.EndsWith(etlExtension, StringComparison.OrdinalIgnoreCase))
{
entry.ExtractToFile(Path.ChangeExtension(etlxFilePath, etlExtension));
break;
}
}
}
TraceLog.CreateFromEventTraceLogFile(Path.ChangeExtension(etlxFilePath, etlExtension), etlxFilePath);
}
else
{
TraceLog.CreateFromEventTraceLogFile(filename, etlxFilePath);
}
}
etlxFile.TraceLog = TraceLog.OpenOrConvert(etlxFilePath);
etlxFile.Pending = false;
var processes = etlxFile.TraceLog.Processes;
symbolReader = new SymbolReader(this.textWriter, sympath)
{
SourcePath = srcpath
};
foreach (var process in processes)
{
if (string.IsNullOrEmpty(imageFilter) || string.Equals(process.ImageFileName, imageFilter, StringComparison.OrdinalIgnoreCase))
{
foreach (var module in process.LoadedModules)
{
if (string.IsNullOrEmpty(modulesFilter) || modulesFilter.Split(',').Contains(module.Name))
{
etlxFile.TraceLog.CodeAddresses.LookupSymbolsForModule(symbolReader, module.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 stackViewerKey = filterParams.ToString();
if (this.stackViewerSessionCache.TryGetValue(stackViewerKey, out stackViewerSession))
{
if (stackViewerSession == null)
{
throw new ArgumentNullException("stackViewerSession");
}
}
else
{
var processes = etlxFile.TraceLog.Processes;
symbolReader = new SymbolReader(this.textWriter, sympath)
{
SourcePath = srcpath
};
foreach (var process in processes)
{
if (string.IsNullOrEmpty(imageFilter) || string.Equals(process.ImageFileName, imageFilter, StringComparison.OrdinalIgnoreCase))
{
foreach (var module in process.LoadedModules)
{
if (string.IsNullOrEmpty(modulesFilter) || modulesFilter.Split(',').Contains(module.Name))
{
etlxFile.TraceLog.CodeAddresses.LookupSymbolsForModule(symbolReader, module.ModuleFile);
}
}
}
}
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));
}
