private string ExecIfValid(string exec)
{
if (exec != null && filesystem.GetFile(exec).Exists)
{
return(exec);
}
return(null);
}
private string GetLocalPathFromPath(string filepath)
{
if (filesystem.GetFile("." + filepath).Exists)
{
return("." + filepath);
}
else if (filesystem.GetFile(filepath).Exists)
{
return(filepath);
}
return(null);
}
/// <summary>
/// Overrides the original *.so with the unstripped binary
/// </summary>
private async Task UnstripLibrary(SDCDModule module, string hash) {
if (IsDebugFileAvailable(module, hash)) {
string tempBinary = module.LocalPath + ".old";
if (filesystem.GetFile(tempBinary).Exists) {
filesystem.Delete(tempBinary);
}
filesystem.Move(module.LocalPath, tempBinary);
await processHandler.ExecuteProcessAndGetOutputAsync("eu-unstrip",
$"-o {module.LocalPath} {tempBinary} {DebugFilePath(module.LocalPath, hash)}");
filesystem.Delete(tempBinary);
}
}
public void ProvideSourceFiles(string directory)
{
IList <Task> tasks = new List <Task>();
IList <string> files = new List <string>();
if (result.ThreadInformation == null)
{
return;
}
string repoUrl = Environment.GetEnvironmentVariable(EnvironmentName.REPOSITORY_URL.Name);
string repoAuth = Environment.GetEnvironmentVariable(EnvironmentName.REPOSITORY_AUTHENTICATION.Name);
if (string.IsNullOrEmpty(repoUrl))
{
return;
}
foreach (var thread in result.ThreadInformation)
{
if (thread.Value.StackTrace == null)
{
continue;
}
foreach (var stackframe in thread.Value.StackTrace)
{
string file = stackframe.SourceInfo?.File;
if (file == null)
{
// no source info
continue;
}
string repoPath = DynatraceSourceLink.GetRepoPathIfAvailable(file);
if (repoPath == null)
{
// source not available
continue;
}
string url = repoUrl + repoPath;
// GDB requires paths beginning with /src. Therefore, all source files must be merged into a common /src directory.
string shortPath = file.Substring(1);
if (shortPath.Contains("/src/"))
{
shortPath = shortPath.Substring(shortPath.IndexOf("/src/") + 1);
}
IFileInfo targetFile = filesystem.GetFile(Path.Combine(directory, shortPath));
if (files.Contains(targetFile.FullName))
{
continue;
}
files.Add(targetFile.FullName);
tasks.Add(requestHandler.DownloadFromUrlAsync(url, targetFile.FullName, repoAuth));
}
}
foreach (Task t in tasks)
{
t.Wait();
}
}
private void LinkDebugFile(string localPath, string debugPath)
{
IFileInfo targetDebugFile = filesystem.GetFile(Path.Combine(Path.GetDirectoryName(localPath), DebugSymbolResolver.DebugFileName(localPath)));
if (targetDebugFile.Exists)
{
return;
}
Console.WriteLine($"Creating symbolic link: {debugPath}, {targetDebugFile}");
filesystem.CreateSymbolicLink(debugPath, targetDebugFile.FullName);
}
public void Analyze()
{
string logPath = $"{Path.Combine(coredump.Directory.FullName, Path.GetFileNameWithoutExtension(coredump.FullName))}.log";
var logFile = filesystem.GetFile(logPath);
if (!logFile.Exists)
{
Console.WriteLine($"No coredump log available ({logPath}). Skipping.");
return;
}
SetVersionsIfAvailable(logFile);
}
private void ExtractModules(string gdbOut, IList <SDModule> modules)
{
foreach (string line in gdbOut.Split(new string[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries))
{
Match match = GdbLibraryRegex.Match(line);
if (match.Success)
{
string startAddr = match.Groups[1].Value;
string endAddr = match.Groups[2].Value;
string library = match.Groups[3].Value;
Console.WriteLine("Shared Library: 0x" + startAddr + " - 0x" + endAddr + ": " + library);
modules.Add(new SDCDModule()
{
StartAddress = Convert.ToUInt64(startAddr, 16),
EndAddress = Convert.ToUInt64(endAddr, 16),
FilePath = library,
FileName = Path.GetFileName(library),
LocalPath = filesystem.GetFile(library).FullName,
FileSize = (uint)GetFileSizeForLibrary(library)
});
}
}
}
private IFileInfo GetCoreDumpFile(string inputFile)
{
IFileInfo file = filesystem.GetFile(inputFile);
if (file.Exists)
{
if (file.Extension == ".core")
{
return(file);
}
else if (file.Extension == ".tar" || file.Extension == ".gz" || file.Extension == ".tgz" || file.Extension == ".tar" || file.Extension == ".zip")
{
IDirectoryInfo directory = file.Directory;
Console.WriteLine($"Extracting archives in directory {directory.FullName}");
ExtractArchivesInDir(directory);
return(FindCoredumpOrNull(directory));
}
else
{
Console.WriteLine($"Could not identify input file {inputFile}. Assuming it is a core dump.");
return(file);
}
}
else
{
IDirectoryInfo directory = filesystem.GetDirectory(inputFile);
if (directory.Exists)
{
Console.WriteLine($"Extracting archives in directory {directory.FullName}");
ExtractArchivesInDir(directory);
return(FindCoredumpOrNull(directory));
}
else
{
Console.WriteLine("Input file does not exist!");
return(null);
}
}
}
private bool IsDebugFileAvailable(SDCDModule module, string hash)
{
return(filesystem.GetFile(DebugFilePath(module.LocalPath, hash)).Exists);
}