示例#1
0
        public static int Run(string[] args)
        {
            if (args == null)
            {
                throw new ArgumentNullException(nameof(args));
            }

            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
            {
                EnsureProperDebugDllsAreLoadedForWindows();
            }

            _app = new CommandLineApplication
            {
                Name        = "Raven.Debug",
                Description = "Debugging tool from RavenDB"
            };

            _app.HelpOption(HelpOptionString);

            _app.Command("stack-traces", cmd =>
            {
                cmd.ExtendedHelpText = cmd.Description = "Prints stack traces for the given process.";
                cmd.HelpOption(HelpOptionString);

                var waitOption                = cmd.Option("--wait", "Wait for user input", CommandOptionType.NoValue);
                var pidOption                 = cmd.Option("--pid", "Process ID to which the tool will attach to", CommandOptionType.SingleValue);
                var attachTimeoutOption       = cmd.Option("--timeout", "Attaching to process timeout in milliseconds. Default 15000", CommandOptionType.SingleValue);
                var outputOption              = cmd.Option("--output", "Output file path", CommandOptionType.SingleValue);
                var threadIdsOption           = cmd.Option("--tid", "Thread ID to get the info about", CommandOptionType.MultipleValue);
                var includeStackObjectsOption = cmd.Option("--includeStackObjects", "Include the stack objects", CommandOptionType.NoValue);

                cmd.OnExecute(() =>
                {
                    if (waitOption.HasValue())
                    {
                        Console.ReadLine(); // wait for the caller to finish preparing for us
                    }
                    if (pidOption.HasValue() == false)
                    {
                        return(cmd.ExitWithError("Missing --pid option."));
                    }

                    if (int.TryParse(pidOption.Value(), out var pid) == false)
                    {
                        return(cmd.ExitWithError($"Could not parse --pid with value '{pidOption.Value()}' to number."));
                    }

                    HashSet <uint> threadIds = null;
                    if (threadIdsOption.HasValue())
                    {
                        foreach (var tid in threadIdsOption.Values)
                        {
                            if (uint.TryParse(tid, out var tidAsInt) == false)
                            {
                                return(cmd.ExitWithError($"Could not parse --tid with value '{tid}' to number."));
                            }

                            if (threadIds == null)
                            {
                                threadIds = new HashSet <uint>();
                            }

                            threadIds.Add(tidAsInt);
                        }
                    }

                    uint attachTimeout = 15000;
                    if (attachTimeoutOption.HasValue() && uint.TryParse(attachTimeoutOption.Value(), out attachTimeout) == false)
                    {
                        return(cmd.ExitWithError($"Could not parse --attachTimeout with value '{attachTimeoutOption.Value()}' to number."));
                    }

                    string output = null;
                    if (outputOption.HasValue())
                    {
                        output = outputOption.Value();
                    }

                    var includeStackObjects = includeStackObjectsOption.Values.FirstOrDefault() == "on";

                    try
                    {
                        StackTracer.ShowStackTrace(pid, attachTimeout, output, cmd, threadIds, includeStackObjects);
                        return(0);
                    }
                    catch (Exception e)
                    {
                        string desc;
                        if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux) == false)
                        {
                            desc = "";
                        }
                        else
                        {
                            desc = $"Make sure to run enable-debugging.sh script as root from the main RavenDB directory.";
                        }

                        return(cmd.ExitWithError($"Failed to show the stacktrace. {desc}Error: {e}"));
                    }
                });
            });

            _app.Command("dump", cmd =>
            {
                cmd.ExtendedHelpText = cmd.Description = "Creates dump for the given process.";
                cmd.HelpOption(HelpOptionString);

                var pidOption    = cmd.Option("--pid", "Process ID to which the tool will attach to", CommandOptionType.SingleValue);
                var outputOption = cmd.Option("--output", "Output file path", CommandOptionType.SingleValue);
                var typeOption   = cmd.Option("--type", "Type of dump (Heap or Mini). ", CommandOptionType.SingleValue);

                cmd.OnExecuteAsync(async(_) =>
                {
                    if (pidOption.HasValue() == false)
                    {
                        return(cmd.ExitWithError("Missing --pid option."));
                    }

                    if (int.TryParse(pidOption.Value(), out var pid) == false)
                    {
                        return(cmd.ExitWithError($"Could not parse --pid with value '{pidOption.Value()}' to number."));
                    }

                    if (typeOption.HasValue() == false)
                    {
                        return(cmd.ExitWithError("Missing --type option."));
                    }

                    if (Enum.TryParse(typeOption.Value(), ignoreCase: true, out Dumper.DumpTypeOption type) == false)
                    {
                        return(cmd.ExitWithError($"Could not parse --type with value '{typeOption.Value()}' to one of supported dump types."));
                    }

                    string output = null;
                    if (outputOption.HasValue())
                    {
                        output = outputOption.Value();
                    }

                    try
                    {
                        var dumper = new Dumper();
                        await dumper.Collect(cmd, pid, output, diag: false, type).ConfigureAwait(false);
                        return(0);
                    }
                    catch (Exception e)
                    {
                        return(cmd.ExitWithError($"Failed to collect dump. Error: {e}"));
                    }
                });
            });

            _app.Command("gcdump", cmd =>
            {
                cmd.ExtendedHelpText = cmd.Description = "Creates GC dump for the given process.";
                cmd.HelpOption(HelpOptionString);

                var pidOption     = cmd.Option("--pid", "Process ID to which the tool will attach to", CommandOptionType.SingleValue);
                var outputOption  = cmd.Option("--output", "Output file path", CommandOptionType.SingleValue);
                var timeoutOption = cmd.Option("--timeout", "Give up on collecting the gcdump if it takes longer than this many seconds. The default value is. Default 30", CommandOptionType.SingleValue);
                var verboseOption = cmd.Option("--verbose", "Output the log while collecting the gcdump.", CommandOptionType.NoValue);

                cmd.OnExecuteAsync(async token =>
                {
                    if (pidOption.HasValue() == false)
                    {
                        return(cmd.ExitWithError("Missing --pid option."));
                    }

                    if (int.TryParse(pidOption.Value(), out var pid) == false)
                    {
                        return(cmd.ExitWithError($"Could not parse --pid with value '{pidOption.Value()}' to number."));
                    }

                    string output = null;
                    if (outputOption.HasValue())
                    {
                        output = outputOption.Value();
                    }

                    int timeout = 30;
                    if (timeoutOption.HasValue() && int.TryParse(timeoutOption.Value(), out timeout) == false)
                    {
                        return(cmd.ExitWithError($"Could not parse --timeout with value '{timeoutOption.Value()}' to number."));
                    }

                    var verbose = verboseOption.HasValue();

                    try
                    {
                        await GCHeapDumper.Collect(token, cmd, pid, output, timeout, verbose).ConfigureAwait(false);
                        return(0);
                    }
                    catch (Exception e)
                    {
                        return(cmd.ExitWithError($"Failed to collect GC dump. Error: {e}"));
                    }
                });
            });

            _app.OnExecute(() =>
            {
                _app.ShowHelp();
                return(1);
            });

            try
            {
                return(_app.Execute(args));
            }
            catch (CommandParsingException e)
            {
                return(_app.ExitWithError(e.Message));
            }
        }