public bool Attach(Process process, string dacFile = null, uint attachTimeout = DefaultAttachTimeout)
{
if (process == null)
{
throw new ArgumentNullException("process");
}
_process = process;
if (_dataTarget != null)
{
_output.Error(String.Format("Already attached to process PID={0} Name={1}",
_process.Id, _process.ProcessName));
return false;
}
_output.Info(String.Format("Attaching to process PID={0}",
process.Id));
try
{
_dataTarget = DataTarget.AttachToProcess(process.Id, attachTimeout);
//make sure we dont kill the process on exit
}
catch (Exception exception)
{
//TODO: Be more specific, dont catch all exceptions
_output.Error("Could not attach to the process.");
throw;
}
if (_dataTarget == null)
{
//TODO: Be more specific, what exactly does it mean?
_output.Error("Could not attach to the process.");
_process = null;
return false;
}
_dataTarget.DebuggerInterface.SetProcessOptions(DEBUG_PROCESS.DETACH_ON_EXIT);
if (_dataTarget.ClrVersions.Count == 0)
{
var msg = String.Format(
"Process PID={0} Name={1} does not seem to have CLR loaded. Is it an unmanaged process?",
_process.Id, _process.ProcessName);
_output.Error(msg);
Detach();
return false;
}
if (_dataTarget.ClrVersions.Count > 1)
{
//TODO: multiple CLRs found present user with choice?
var msg = String.Format("Multiple CLR versions loaded. Proceeding with first version.");
_output.Warning(msg);
}
_clrInfo = _dataTarget.ClrVersions[0];
_output.Info(String.Format("Using CLR Version={0} DACFileName={1}",
_clrInfo.Version, _clrInfo.DacInfo.FileName));
string dacLocation;
if(String.IsNullOrWhiteSpace(dacFile))
{
dacLocation = _clrInfo.TryGetDacLocation();
}
else
{
dacLocation = dacFile;
_output.Info(String.Format("Using DacFile={0}", dacFile));
}
if (String.IsNullOrWhiteSpace(dacLocation))
{
//TODO: Check filepath, display meaningful message
_output.Error("Could not automatically locate Data Access Component (mscordacwks.dll). This may mean that bitness or CLR versions do not match. " +
"You may specify file location manually eg. ClrDiag.Attach(PID, @\"C:\\Windows\\Microsoft.NET\\Framework64\\v4.0.30319\\mscordacwks.dll\"");
Detach();
return false;
}
ClrRuntime runtime = _dataTarget.CreateRuntime(dacLocation);
if (runtime == null)
{
//TODO: add more meaningful information
_output.Error("Unable to get CLR information.");
Detach();
}
_output.Success(String.Format("Succesfully attached to process PID={0} Name={1}",
_process.Id, _process.ProcessName));
Clr = runtime;
return true;
}
public string FindDac(ClrInfo clrInfo)
{
string dac = clrInfo.TryGetDacLocation();
if (string.IsNullOrEmpty(dac))
dac = FindDac(clrInfo.DacInfo.FileName, clrInfo.DacInfo.TimeStamp, clrInfo.DacInfo.FileSize);
return dac;
}