public void Init(ITransportCallback transportCallback, LaunchOptions options, Logger logger, HostWaitLoop waitLoop = null)
{
_launchOptions = (UnixShellPortLaunchOptions)options;
_callback = transportCallback;
_logger = logger;
_startRemoteDebuggerCommand = _launchOptions.StartRemoteDebuggerCommand;
if (_launchOptions.DebuggerMIMode == MIMode.Clrdbg)
{
if (!UnixShellPortLaunchOptions.HasSuccessfulPreviousLaunch(_launchOptions))
{
waitLoop?.SetText(MICoreResources.Info_InstallingDebuggerOnRemote);
try
{
Task.Run(() => DownloadAndCopyFileToRemote(_launchOptions.DebuggerInstallationDirectory, _launchOptions.GetClrDbgUrl)).Wait();
}
catch (Exception e)
{
// Even if downloading & copying to remote fails, we will still try to invoke the script as it might already exist.
string message = String.Format(CultureInfo.CurrentUICulture, MICoreResources.Warning_DownloadingClrDbgToRemote, e.Message);
_callback.AppendToInitializationLog(message);
}
}
}
_callback.AppendToInitializationLog(string.Format(CultureInfo.CurrentUICulture, MICoreResources.Info_StartingUnixCommand, _startRemoteDebuggerCommand));
_launchOptions.UnixPort.BeginExecuteAsyncCommand(_startRemoteDebuggerCommand, this, out _asyncCommand);
}
void IPlatformAppLauncher.SetupForDebugging(out LaunchOptions debuggerLaunchOptions)
{
if (_launchOptions == null)
{
Debug.Fail("Why is SetupForDebugging being called before ParseLaunchOptions?");
throw new InvalidOperationException();
}
string targetMachineName = LaunchOptions.RequireAttribute(_launchOptions.TargetMachine, "TargetMachine");
var port = new AD7Port(new AD7PortSupplier(), targetMachineName, isInAddPort: false);
// NOTE: this may put up a dialog and/or throw an AD7ConnectCanceledException
port.EnsureConnected();
debuggerLaunchOptions = new UnixShellPortLaunchOptions(_launchOptions.StartRemoteDebuggerCommand,
port,
LaunchOptions.ConvertMIModeAttribute(_launchOptions.MIMode),
_launchOptions);
}
/// <summary>
/// Returns true if the previous launch was ever successful on the same session false otherwise.
/// </summary>
/// <param name="launchOptions">launch options</param>
public static bool HasSuccessfulPreviousLaunch(UnixShellPortLaunchOptions launchOptions)
{
IDebugPort2 debugPort = launchOptions.UnixPort as IDebugPort2;
if (debugPort != null)
{
string portName = null;
debugPort.GetPortName(out portName);
if (!string.IsNullOrWhiteSpace(portName))
{
lock (s_LaunchSuccessSet)
{
// If it is successful once, we expect the clrdbg launch to be successful atleast till the end of the current VS session.
// The portname will not be removed from the list.
return s_LaunchSuccessSet.Contains(portName);
}
}
}
return false;
}
public static UnixShellPortLaunchOptions CreateForAttachRequest(Microsoft.VisualStudio.Debugger.Interop.UnixPortSupplier.IDebugUnixShellPort unixPort,
int processId,
MIMode miMode,
string getClrDbgUrl,
string remoteDebuggingDirectory,
string remoteDebuggingSubDirectory,
string debuggerVersion)
{
var @this = new UnixShellPortLaunchOptions(startRemoteDebuggerCommand: null,
unixPort: unixPort,
miMode: miMode,
baseLaunchOptions: null,
getClrDbgUrl: getClrDbgUrl,
remoteDebuggerInstallationDirectory: remoteDebuggingDirectory,
remoteDebuggerInstallationSubDirectory: remoteDebuggingSubDirectory,
clrdbgVersion: debuggerVersion);
@this.ProcessId = processId;
@this.SetupCommands = new ReadOnlyCollection<LaunchCommand>(new LaunchCommand[] { });
@this.SetInitializationComplete();
return @this;
}
private void DetermineAndAddExecutablePathCommand(IList<LaunchCommand> commands, UnixShellPortLaunchOptions launchOptions)
{
// TODO: rajkumar42, connecting to OSX via SSH doesn't work yet. Show error after connection manager dialog gets dismissed.
// Runs a shell command to get the full path of the exe.
// /proc file system does not exist on OSX. And querying lsof on privilaged process fails with no output on Mac, while on Linux the command succeedes with
// embedded error text in lsof output like "(readlink error)".
string absoluteExePath;
if (launchOptions.UnixPort.IsOSX())
{
// Usually the first FD=txt in the output of lsof points to the executable.
absoluteExePath = string.Format(CultureInfo.InvariantCulture, "shell lsof -p {0} | awk '$4 == \"txt\" {{ print $9 }}'|awk 'NR==1 {{print $1}}'", _launchOptions.ProcessId);
}
else if (launchOptions.UnixPort.IsLinux())
{
absoluteExePath = string.Format(CultureInfo.InvariantCulture, @"shell readlink -f /proc/{0}/exe", _launchOptions.ProcessId);
}
else
{
throw new LaunchErrorException(ResourceStrings.Error_UnsupportedPlatform);
}
Action<string> failureHandler = (string miError) =>
{
string message = string.Format(CultureInfo.CurrentUICulture, ResourceStrings.Error_FailedToGetExePath, miError);
throw new LaunchErrorException(message);
};
Action<string> successHandler = async (string exePath) =>
{
string trimmedExePath = exePath.Trim();
try
{
await CmdAsync("-file-exec-and-symbols " + trimmedExePath, ResultClass.done);
}
catch (UnexpectedMIResultException miException)
{
string message = string.Format(CultureInfo.CurrentUICulture, ResourceStrings.Error_ExePathInvalid, trimmedExePath, MICommandFactory.Name, miException.MIError);
throw new LaunchErrorException(message);
}
};
commands.Add(new LaunchCommand(absoluteExePath, ignoreFailures: false, failureHandler: failureHandler, successHandler: successHandler));
}