Files
2025-05-18 13:04:45 +08:00

3088 lines
82 KiB
C#

// Copyright Epic Games, Inc. All Rights Reserved.
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Diagnostics;
using AutomationTool;
using System.Threading;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Reflection;
using ImageMagick;
using UnrealBuildTool;
using EpicGames.Core;
using System.Security.Cryptography;
using System.Text;
using Microsoft.Extensions.Logging;
using Logging = Microsoft.Extensions.Logging;
using static AutomationTool.CommandUtils;
using UnrealBuildBase;
namespace Gauntlet
{
public static class Globals
{
static Params InnerParams = new Params(Environment.GetCommandLineArgs());
public static Params Params
{
get { return InnerParams; }
set { InnerParams = value; }
}
public static readonly DateTime ProgramStartTime = DateTime.UtcNow;
static string InnerTempDir;
static string InnerLogDir;
static string InnerUnrealRootDir;
static object InnerLockObject = new object();
static List<Action> InnerAbortHandlers;
static List<Action> InnerPostAbortHandlers = new List<Action>();
public static bool CancelSignalled { get; private set; }
public static bool IsRunningDev => Params.ParseParam("dev");
/// <summary>
/// Returns the device pool id
/// </summary>
public static string DevicePoolId
{
get
{
return Params.ParseValue("devicepool", "");
}
}
/// <summary>
/// This acts as a broad feature flag to allow for a smoother integration of large flow changes without impacting licensees.
/// When true, Gauntlet will execute alternative "experimental" code paths in several areas of project, primarily effecting executions of RunUnreal
/// Most notable areas this is used:
/// - UnrealSession | Modifies the code path of LaunchSession to better reserve, setup, and handle errors for devices.
/// - DevicePool | Removes the strict expectation that Horde is used as a device service. Allows users to specify new services, such as a cloud provider.
/// </summary>
public static bool UseExperimentalFeatures => Params.ParseParam("Experimental") || Params.ParseParam("ExperimentalLaunchFlow");
public static string TempDir
{
get
{
if (String.IsNullOrEmpty(InnerTempDir))
{
InnerTempDir = Path.Combine(Environment.CurrentDirectory, "GauntletTemp");
}
return InnerTempDir;
}
set
{
InnerTempDir = value;
}
}
public static string LogDir
{
get
{
if (String.IsNullOrEmpty(InnerLogDir))
{
InnerLogDir = Path.Combine(TempDir, "Logs");
}
return InnerLogDir;
}
set
{
InnerLogDir = value;
}
}
public static string UnrealRootDir
{
get
{
if (String.IsNullOrEmpty(InnerUnrealRootDir))
{
InnerUnrealRootDir = Path.GetFullPath(Path.Combine(Path.GetDirectoryName(Assembly.GetEntryAssembly().GetOriginalLocation()), "..", "..", "..", ".."));
}
return InnerUnrealRootDir;
}
}
/// <summary>
/// Return @"\\?\"; adding the prefix to a path string tells the Windows APIs to disable all string parsing and to send the string that follows it straight to the file system.
/// Allowing for longer than 260 characters path.
/// </summary>
public static string LongPathPrefix
{
get { return Path.DirectorySeparatorChar == '\\'? @"\\?\" : ""; }
}
/// <summary>
/// Acquired and released during the main Tick of the Gauntlet systems. Use this before touchung anything global scope from a
/// test thread.
/// </summary>
public static object MainLock
{
get { return InnerLockObject; }
}
/// <summary>
/// Allows classes to register for notification of system-wide abort request. On an abort (e.g. ctrl+c) all handlers will
/// be called and then shutdown will continue
/// </summary>
public static List<Action> AbortHandlers
{
get
{
if (InnerAbortHandlers == null)
{
InnerAbortHandlers = new List<Action>();
Console.CancelKeyPress += new ConsoleCancelEventHandler((obj, args) =>
{
CancelSignalled = true;
// fire all abort handlers
foreach (var Handler in AbortHandlers)
{
Handler();
}
// file all post-abort handlers
foreach (var Handler in PostAbortHandlers)
{
Handler();
}
});
}
return InnerAbortHandlers;
}
}
/// <summary>
/// Allows classes to register for post-abort handlers. These are called after all abort handlers have returned
/// so is the place to perform final cleanup.
/// </summary>
public static List<Action> PostAbortHandlers { get { return InnerPostAbortHandlers; } }
/// <summary>
/// Used by network functions that need to deal with multiple adapters
/// </summary>
public static string PreferredNetworkDomain { get { return "epicgames.net"; } }
}
/// <summary>
/// Enable/disable verbose logging
/// </summary>
public enum LogLevel
{
Normal,
Verbose,
VeryVerbose
};
/// <summary>
/// Gauntlet Logging helper
/// </summary>
public class Log
{
public static LogLevel Level = LogLevel.Normal;
public static bool IsVerbose
{
get
{
return Level >= LogLevel.Verbose;
}
}
public static bool IsVeryVerbose
{
get
{
return Level >= LogLevel.VeryVerbose;
}
}
static TextWriter LogFile = null;
static List<Action<string>> Callbacks;
static int ECSuspendCount = 0;
static int SanitizationSuspendCount = 0;
static ILogger Logger = EpicGames.Core.Log.Logger;
public static void AddCallback(Action<string> CB)
{
if (Callbacks == null)
{
Callbacks = new List<Action<string>>();
}
Callbacks.Add(CB);
}
public static void SaveToFile(string InPath)
{
int Attempts = 0;
if (LogFile != null)
{
Console.WriteLine("Logfile already open for writing");
return;
}
do
{
string Outpath = InPath;
if (Attempts > 0)
{
string Ext = Path.GetExtension(InPath);
string BaseName = Path.GetFileNameWithoutExtension(InPath);
Outpath = Path.Combine(Path.GetDirectoryName(InPath), string.Format("{0}_{1}.{2}", BaseName, Attempts, Ext));
}
try
{
LogFile = TextWriter.Synchronized(new StreamWriter(Outpath));
}
catch (UnauthorizedAccessException Ex)
{
Console.WriteLine("Could not open {0} for writing. {1}", Outpath, Ex);
Attempts++;
}
} while (LogFile == null && Attempts < 10);
}
static void Flush()
{
if (LogFile != null)
{
LogFile.Flush();
}
}
public static void SuspendECErrorParsing()
{
if (ECSuspendCount++ == 0)
{
if (CommandUtils.IsBuildMachine)
{
Logger.LogInformation("<-- Suspend Log Parsing -->");
}
}
}
public static void ResumeECErrorParsing()
{
if (--ECSuspendCount == 0)
{
if (CommandUtils.IsBuildMachine)
{
Logger.LogInformation("<-- Resume Log Parsing -->");
}
}
}
public static void SuspendSanitization()
{
SanitizationSuspendCount++;
}
public static void ResumeSanitization()
{
--SanitizationSuspendCount;
}
/// <summary>
/// Santi
/// </summary>
/// <param name="Input"></param>
/// <param name="Sanitize"></param>
/// <returns></returns>
static private string SanitizeInput(string Input, string[] Sanitize)
{
foreach (string San in Sanitize)
{
string CleanSan = San;
if (San.Length > 1)
{
CleanSan.Insert(San.Length - 1, "-");
}
Input = Regex.Replace(Input, "Warning", CleanSan, RegexOptions.IgnoreCase);
}
return Input;
}
/// <summary>
/// Outputs the message to the console with an optional log level and sanitization.
/// Sanitizing allows errors and exceptions to be passed through to logs without triggering CIS warnings about out log
/// </summary>
/// <param name="Message"></param>
/// <param name="EventId"></param>
/// <param name="Level"></param>
/// <param name="Sanitize"></param>
/// <param name="Args"></param>
/// <returns></returns>
static private void OutputMessage(string Message, Logging.EventId EventId, Logging.LogLevel Level = Logging.LogLevel.Information, bool Sanitize=true, params object[] Args)
{
// EC detects error statements in the log as a failure. Need to investigate best way of
// reporting errors, but not errors we've handled from tools.
// Probably have Log.Error which does not sanitize?
if (Sanitize && SanitizationSuspendCount == 0)
{
string[] Triggers = { "Warning:", "Error:", "Exception:" };
foreach (string Trigger in Triggers)
{
if (Message.IndexOf(Trigger, StringComparison.OrdinalIgnoreCase) != -1)
{
string SafeTrigger = Regex.Replace(Trigger, "i", "1", RegexOptions.IgnoreCase);
SafeTrigger = Regex.Replace(SafeTrigger, "o", "0", RegexOptions.IgnoreCase);
Message = Regex.Replace(Message, Trigger, SafeTrigger, RegexOptions.IgnoreCase);
}
}
}
if (Globals.Params.ParseParam("timestamp"))
{
TimeSpan ElapsedTime = DateTime.UtcNow - Globals.ProgramStartTime;
Message = "[" + ElapsedTime.ToString() + "] " + Message;
}
Logger.Log(Level, EventId, Message, Args);
if (LogFile != null || Callbacks != null)
{
try
{
if (Args.Length > 0)
{
// Adjust Message and Arguments for string.Format
int Index = 0;
string SequenceMessage = Regex.Replace(Message, @"\{[^{}:]+(:[^{}]+)?\}", M => "{" + Index++.ToString() + M.Groups[1].Value + "}", RegexOptions.IgnoreCase);
if (Index > Args.Length)
{
Args = Args.Concat(Enumerable.Repeat("null", Index - Args.Length)).ToArray();
}
else if (Index < Args.Length)
{
Args = Args.Take(Index).ToArray();
}
Message = string.Format(SequenceMessage, Args);
}
if (LogFile != null)
{
LogFile.WriteLine(Message);
}
if (Callbacks != null)
{
Callbacks.ForEach(A => A(Message));
}
}
catch (Exception Ex)
{
Logger.LogWarning(KnownLogEvents.Gauntlet, "Exception logging '{Message}'. {Exception}", Message, Ex.ToString());
}
}
}
static public void Verbose(string Format, params object[] Args)
{
if (IsVerbose)
{
Verbose(KnownLogEvents.Gauntlet, Format, Args);
}
}
static public void Verbose(Logging.EventId EventId, string Format, params object[] Args)
{
if (IsVerbose)
{
OutputMessage(Format, EventId, Args: Args);
}
}
static public void VeryVerbose(string Format, params object[] Args)
{
if (IsVeryVerbose)
{
VeryVerbose(KnownLogEvents.Gauntlet, Format, Args);
}
}
static public void VeryVerbose(Logging.EventId EventId, string Format, params object[] Args)
{
if (IsVeryVerbose)
{
OutputMessage(Format, EventId, Args: Args);
}
}
static public void Info(string Format, params object[] Args)
{
Info(KnownLogEvents.Gauntlet, Format, Args);
}
static public void Info(Logging.EventId EventId, string Format, params object[] Args)
{
OutputMessage(Format, EventId, Args: Args);
}
static public void Warning(string Format, params object[] Args)
{
Warning(KnownLogEvents.Gauntlet, Format, Args);
}
static public void Warning(Logging.EventId EventId, string Format, params object[] Args)
{
OutputMessage(Format, EventId, Logging.LogLevel.Warning, Args: Args);
}
static public void Error(string Format, params object[] Args)
{
Error(KnownLogEvents.Gauntlet, Format, Args);
}
static public void Error(Logging.EventId EventId, string Format, params object[] Args)
{
OutputMessage(Format, EventId, Logging.LogLevel.Error, false, Args);
}
}
public class Hasher
{
public static string ComputeHash(string Input)
{
if (string.IsNullOrEmpty(Input))
{
return "0";
}
HashAlgorithm Hasher = MD5.Create(); //or use SHA256.Create();
byte[] Hash = Hasher.ComputeHash(Encoding.UTF8.GetBytes(Input));
string HashString = "";
foreach (byte b in Hash)
{
HashString += (b.ToString("X2"));
}
return HashString;
}
public static string ComputeHash(string Input, HashAlgorithm Algo, int MaxLength = 0)
{
if (string.IsNullOrEmpty(Input))
{
return "0";
}
byte[] Hash = Algo.ComputeHash(Encoding.UTF8.GetBytes(Input));
var SBuilder = new StringBuilder();
for (int i = 0; i < Hash.Length; i++)
{
SBuilder.Append(Hash[i].ToString("x2"));
if (MaxLength > 0 && SBuilder.Length >= MaxLength)
{
if (SBuilder.Length > MaxLength) { SBuilder.Remove(MaxLength, 1); }
break;
}
}
return SBuilder.ToString();
}
static public HashAlgorithm DefaultAlgo = SHA1.Create();
}
/*
* Helper class that can be used with a using() statement to emit log entries that prevent EC triggering on Error/Warning statements
*/
public class ScopedSuspendECErrorParsing : IDisposable
{
public ScopedSuspendECErrorParsing()
{
Log.SuspendECErrorParsing();
}
~ScopedSuspendECErrorParsing()
{
Dispose(false);
}
#region IDisposable Support
private bool disposedValue = false; // To detect redundant calls
protected virtual void Dispose(bool disposing)
{
if (!disposedValue)
{
Log.ResumeECErrorParsing();
disposedValue = true;
}
}
// This code added to correctly implement the disposable pattern.
public void Dispose()
{
Dispose(true);
}
#endregion
}
namespace Utils
{
public class TestConstructor
{
/// <summary>
/// Helper function that returns the type of an object based on namespaces and name
/// </summary>
/// <param name="Namespaces"></param>
/// <param name="TestName"></param>
/// <returns></returns>
private static Type GetTypeForTest(string TestName, IEnumerable<string> Namespaces)
{
var SearchAssemblies = AppDomain.CurrentDomain.GetAssemblies();
// turn foo into [foo, n1.foo, n2.foo]
IEnumerable<string> FullNames = new[] { TestName };
if (Namespaces != null)
{
FullNames = FullNames.Concat(Namespaces.Select(N => N + "." + TestName));
}
Log.VeryVerbose("Will search {0} for test {1}", string.Join(" ", FullNames), TestName);
// find all types from loaded assemblies that implement testnode
List<Type> CandidateTypes = new List<Type>();
foreach (Assembly Assembly in ScriptManager.AllScriptAssemblies)
{
foreach (var Type in Assembly.GetTypes())
{
if (typeof(ITestNode).IsAssignableFrom(Type))
{
// If there is an Exact match, just take it
if (Type.FullName == TestName)
{
return Type;
}
CandidateTypes.Add(Type);
}
}
}
Log.VeryVerbose("Possible candidates for {0}: {1}", TestName, string.Join(" ", CandidateTypes));
// check our expanded names.. need to search in namespace order
IList<Type> MatchingTypes = new List<Type>();
foreach (string UserTypeName in FullNames)
{
// Even tho the user might have specified N1.Foo it still might be Other.N1.Foo so only
// compare based on the number of namespaces that were specified.
foreach (Type Candidate in CandidateTypes)
{
string[] UserNameComponents = UserTypeName.Split('.');
string[] TypeNameComponents = Candidate.FullName.Split('.');
int MissingUserComponents = TypeNameComponents.Length - UserNameComponents.Length;
if (MissingUserComponents > 0)
{
TypeNameComponents = TypeNameComponents.Skip(MissingUserComponents).ToArray();
}
IEnumerable<string> Difference = TypeNameComponents.Except(UserNameComponents, StringComparer.OrdinalIgnoreCase);
if (Difference.Count() == 0)
{
Log.VeryVerbose("Found match {0} for user type {1}", Candidate.FullName, UserTypeName);
// If we have any namespaces, add the candidate
if(Namespaces.Count() > 0)
{
MatchingTypes.Add(Candidate);
}
// No namespaces, just return the first type found
else
{
return Candidate;
}
}
}
}
// If user has specified at least 1 namespace, we prioritize types that include a provided namespace over types that do not.
// For example, in the case of the supplied parameters: TestName = BootTest, Namespaces = {"Game"}
// We prioritize "Game.BootTest" over "UE.BootTest".
// In the case of multiple name spaces, we default to the first test found within a namespace.
// For example, in the case of the supplied parameters: TestName = BootTest, Namespaces = {"Game", "UE"}
// We select "Game.BootTest" over "UE.BootTest".
// If you maintain many tests with the same base name, you should be as explicit as possible with Namespaces!
foreach(string Namespace in Namespaces)
{
foreach(Type Match in MatchingTypes)
{
// Split off the namespace
string TypeNamespace = Match.FullName.Replace(Match.Name, string.Empty);
// If it matches one of namespaces, return it
if (TypeNamespace.Contains(Namespace))
{
return Match;
}
}
}
// If nothing found from the prefered namespaces, then return the first item with less amount of steps.
if(MatchingTypes.Count() > 0)
{
return MatchingTypes.OrderBy(M => M.FullName.Split('.').Length).First();
}
throw new AutomationException("Unable to find type {0} in assemblies. Namespaces={1}.", TestName, string.Join(", ", Namespaces));
}
/// <summary>
/// Helper function that returns all types within the specified namespace that are or derive from
/// the specified type
/// </summary>
/// <param name="Namespaces"></param>
/// <returns></returns>
public static IEnumerable<Type> GetTypesInNamespaces<BaseType>(IEnumerable<string> Namespaces)
where BaseType : class
{
var AllTypes = AppDomain.CurrentDomain.GetAssemblies().SelectMany(S => S.SafeGetLoadedTypes()).Where(T => typeof(BaseType).IsAssignableFrom(T));
if (Namespaces.Count() > 0)
{
AllTypes = AllTypes.Where(T => T.IsAbstract == false && Namespaces.Contains(T.Namespace.ToString()));
}
return AllTypes;
}
/// <summary>
/// Constructs by name a new test of type "TestType" that takes no construction parameters
/// </summary>
/// <typeparam name="TestType"></typeparam>
/// <typeparam name="ParamType"></typeparam>
/// <param name="TestName"></param>
/// <param name="Arg"></param>
/// <param name="Namespaces"></param>
/// <returns></returns>
public static TestType ConstructTest<TestType, ParamType>(string TestName, ParamType Arg, IEnumerable<string> Namespaces)
where TestType : class
{
Type NodeType = GetTypeForTest(TestName, Namespaces);
ConstructorInfo NodeConstructor = null;
TestType NewNode = null;
if (Arg != null)
{
NodeConstructor = NodeType.GetConstructor(new Type[] { Arg.GetType() });
if (NodeConstructor != null)
{
NewNode = NodeConstructor.Invoke(new object[] { Arg }) as TestType;
}
}
if (NodeConstructor == null)
{
NodeConstructor = NodeType.GetConstructor(Type.EmptyTypes);
if (NodeConstructor != null)
{
NewNode = NodeConstructor.Invoke(null) as TestType;
}
}
if (NodeConstructor == null)
{
throw new AutomationException("Unable to find constructor for type {0} with our without params", typeof(TestType));
}
if (NewNode == null)
{
throw new AutomationException("Unable to construct node of type {0}", typeof(TestType));
}
return NewNode;
}
/// <summary>
/// Constructs by name a list of tests of type "TestType" that take no construction params
/// </summary>
/// <typeparam name="TestType"></typeparam>
/// <typeparam name="ParamType"></typeparam>
/// <param name="TestNames"></param>
/// <param name="Arg"></param>
/// <param name="Namespaces"></param>
/// <returns></returns>
public static IEnumerable<TestType> ConstructTests<TestType, ParamType>(IEnumerable<string> TestNames, ParamType Arg, IEnumerable<string> Namespaces)
where TestType : class
{
List<TestType> Tests = new List<TestType>();
foreach (var Name in TestNames)
{
Tests.Add(ConstructTest<TestType, ParamType>(Name, Arg, Namespaces));
}
return Tests;
}
/// <summary>
/// Constructs by name a list of tests of type "TestType" that take no construction params
/// </summary>
/// <typeparam name="TestType"></typeparam>
/// <param name="TestNames"></param>
/// <param name="Namespaces"></param>
/// <returns></returns>
public static IEnumerable<TestType> ConstructTests<TestType>(IEnumerable<string> TestNames, IEnumerable<string> Namespaces)
where TestType : class
{
List<TestType> Tests = new List<TestType>();
foreach (var Name in TestNames)
{
Tests.Add(ConstructTest<TestType, object>(Name, null, Namespaces));
}
return Tests;
}
/// <summary>
/// Constructs by name a list of tests of type "TestType" that take no construction params
/// </summary>
/// <typeparam name="TestType"></typeparam>
/// <param name="Group"></param>
/// <param name="Namespaces"></param>
/// <returns></returns>
public static IEnumerable<string> GetTestNamesByGroup<TestType>(string Group, IEnumerable<string> Namespaces)
where TestType : class
{
// Get all types in these namespaces
IEnumerable<Type> TestTypes = GetTypesInNamespaces<TestType>(Namespaces);
IEnumerable<string> SortedTests = new string[0];
// If no group, just return a sorted list
if (string.IsNullOrEmpty(Group))
{
SortedTests = TestTypes.Select(T => T.FullName).OrderBy(S => S);
}
else
{
Dictionary<string, int> TypesToPriority = new Dictionary<string, int>();
// Find ones that have a group attribute
foreach (Type T in TestTypes)
{
foreach (object Attrib in T.GetCustomAttributes(true))
{
TestGroup TestAttrib = Attrib as TestGroup;
// Store the type name as a key with the priority as a value
if (TestAttrib != null && Group.Equals(TestAttrib.GroupName, StringComparison.OrdinalIgnoreCase))
{
TypesToPriority[T.FullName] = TestAttrib.Priority;
}
}
}
// sort by priority then name
SortedTests = TypesToPriority.Keys.OrderBy(K => TypesToPriority[K]).ThenBy(K => K);
}
return SortedTests;
}
}
public static class InterfaceHelpers
{
public static IEnumerable<Type> FindTypes<InterfaceType>(bool bIncludeCompiledScripts = false, bool bConcreteTypesOnly = false)
where InterfaceType : class
{
HashSet<Type> AllTypes = new HashSet<Type>(Assembly.GetExecutingAssembly().GetTypes().Where(Type => typeof(InterfaceType).IsAssignableFrom(Type)));
if (bConcreteTypesOnly)
{
AllTypes = AllTypes.Where(Type => !Type.IsAbstract && !Type.IsInterface).ToHashSet();
}
if (bIncludeCompiledScripts)
{
foreach (Assembly Assembly in ScriptManager.AllScriptAssemblies)
{
HashSet<Type> AssemblyTypes = new HashSet<Type>(Assembly.GetTypes().Where(T => typeof(InterfaceType).IsAssignableFrom(T)));
if (bConcreteTypesOnly)
{
AssemblyTypes = AssemblyTypes.Where(Type => !Type.IsAbstract && !Type.IsInterface).ToHashSet();
}
AllTypes.UnionWith(AssemblyTypes);
}
}
return AllTypes;
}
public static IEnumerable<InterfaceType> FindImplementations<InterfaceType>(bool bIncludeCompiledScripts = false)
where InterfaceType : class
{
HashSet<Type> AllTypes = FindTypes<InterfaceType>(bIncludeCompiledScripts).ToHashSet();
List<InterfaceType> ConstructedTypes = new List<InterfaceType>();
foreach (Type FoundType in AllTypes)
{
ConstructorInfo TypeConstructor = FoundType.GetConstructor(Type.EmptyTypes);
if (TypeConstructor != null && !FoundType.IsAbstract)
{
InterfaceType NewInstance = TypeConstructor.Invoke(null) as InterfaceType;
ConstructedTypes.Add(NewInstance);
}
}
return ConstructedTypes;
}
/// <summary>
/// Check if the method signature is overridden.
/// </summary>
/// <param name="ClassType"></param>
/// <param name="MethodName"></param>
/// <param name="Signature"></param>
/// <returns></returns>
public static bool HasOverriddenMethod(Type ClassType, string MethodName, Type[] Signature)
{
MethodInfo Method = ClassType.GetMethod(MethodName, Signature);
if (Method == null)
{
throw new Exception(string.Format("Unknown method {0} from {1} with signature {2}.", MethodName, ClassType.Name, Signature.ToString()));
}
bool IsOverridden = Method.GetBaseDefinition().DeclaringType != Method.DeclaringType;
return Method.GetBaseDefinition().DeclaringType != Method.DeclaringType;
}
}
public static class SystemHelpers
{
/// <summary>
/// Options for copying directories
/// </summary>
public enum CopyOptions
{
Copy = (1 << 0), // Normal copy & combine/overwrite
Mirror = (1 << 1), // copy + remove files from dest if not in src
Default = Copy
}
/// <summary>
/// Options that can be specified to the CopyDirectory function.
/// </summary>
public class CopyDirectoryOptions
{
public CopyOptions Mode { get; set; }
public int Retries { get; set; }
public Func<string, string> Transform { get; set; }
public string Pattern { get; set; }
public Regex Regex { get; set; }
public bool Recursive { get; set; }
public bool Verbose { get; set; }
public CopyDirectoryOptions()
{
Mode = CopyOptions.Copy;
Retries = 10;
Transform = delegate (string s)
{
return s;
};
Pattern = "*";
Recursive = true;
Regex = null;
Verbose = false;
}
/// <summary>
/// Returns true if the pattern indicates entire directory should be copied
/// </summary>
public bool IsDirectoryPattern
{
get
{
return
Regex == null &&
(
string.IsNullOrEmpty(Pattern)
|| Pattern.Equals("*")
|| Pattern.Equals("*.*")
|| Pattern.Equals("...")
);
}
}
}
/// <summary>
/// Convenience function that removes some of the more esoteric options
/// </summary>
/// <param name="SourceDirPath"></param>
/// <param name="DestDirPath"></param>
/// <param name="Mode"></param>
/// <param name="RetryCount"></param>
public static void CopyDirectory(string SourceDirPath, string DestDirPath, CopyOptions Mode = CopyOptions.Default, int RetryCount = 5)
{
CopyDirectory(SourceDirPath, DestDirPath, Mode, delegate (string s) { return s; }, RetryCount);
}
/// <summary>
/// Legacy convenience function that exposes transform & Retry count
/// </summary>
/// <param name="SourceDirPath"></param>
/// <param name="DestDirPath"></param>
/// <param name="Mode"></param>
/// <param name="Transform"></param>
/// <param name="RetryCount"></param>
public static void CopyDirectory(string SourceDirPath, string DestDirPath, CopyOptions Mode, Func<string, string> Transform, int RetryCount = 5)
{
CopyDirectoryOptions Options = new CopyDirectoryOptions();
Options.Retries = RetryCount;
Options.Mode = Mode;
Options.Transform = Transform;
CopyDirectory(SourceDirPath, DestDirPath, Options);
}
/// <summary>
/// Copies src to dest by comparing files sizes and time stamps and only copying files that are different in src. Basically a more flexible
/// robocopy
/// </summary>
/// <param name="SourceDirPath"></param>
/// <param name="DestDirPath"></param>
/// <param name="Options"></param>
public static void CopyDirectory(string SourceDirPath, string DestDirPath, CopyDirectoryOptions Options)
{
DateTime StartTime = DateTime.Now;
DirectoryInfo SourceDir = new DirectoryInfo(SourceDirPath);
DirectoryInfo DestDir = new DirectoryInfo(DestDirPath);
if (DestDir.Exists == false)
{
DestDir = Directory.CreateDirectory(DestDir.FullName);
}
bool IsMirroring = (Options.Mode & CopyOptions.Mirror) == CopyOptions.Mirror;
if (IsMirroring && !Options.IsDirectoryPattern)
{
Log.Warning("Can only use mirror with pattern that includes whole directories (e.g. '*')");
IsMirroring = false;
}
IEnumerable<FileInfo> SourceFiles = null;
FileInfo[] DestFiles = null;
// find all files. If a directory get them all, else use the pattern/regex
if (Options.IsDirectoryPattern)
{
SourceFiles = GetFiles(SourceDir, "*", Options.Recursive ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly);
}
else
{
if (Options.Regex == null)
{
SourceFiles = GetFiles(SourceDir, Options.Pattern, Options.Recursive ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly);
}
else
{
SourceFiles = GetFiles(SourceDir, "*", Options.Recursive ? SearchOption.AllDirectories : SearchOption.TopDirectoryOnly);
SourceFiles = SourceFiles.Where(F => Options.Regex.IsMatch(F.Name));
}
}
// Convert dest into a map of relative paths to absolute
Dictionary<string, System.IO.FileInfo> DestStructure = new Dictionary<string, System.IO.FileInfo>();
if (IsMirroring)
{
DestFiles = GetFiles(DestDir, "*", SearchOption.AllDirectories);
foreach (FileInfo Info in DestFiles)
{
string RelativePath = Info.FullName.Replace(DestDir.FullName, "");
// remove leading seperator
if (RelativePath.First() == Path.DirectorySeparatorChar)
{
RelativePath = RelativePath.Substring(1);
}
DestStructure[RelativePath] = Info;
}
}
// List of source files to copy. The first item is the full (and possibly transformed)
// dest path, the second is the source
List<Tuple<FileInfo, FileInfo>> CopyList = new List<Tuple<FileInfo, FileInfo>>();
// List of relative path files in dest to delete
List<string> DeletionList = new List<string>();
foreach (FileInfo SourceInfo in SourceFiles)
{
string RelativeSourceFilePath = SourceInfo.FullName.Replace(SourceDir.FullName, "");
// remove leading seperator
if (RelativeSourceFilePath.First() == Path.DirectorySeparatorChar)
{
RelativeSourceFilePath = RelativeSourceFilePath.Substring(1);
}
string RelativeDestFilePath = Options.Transform(RelativeSourceFilePath);
FileInfo DestInfo = null;
// We may have destination info if mirroring where we prebuild it all, if not
// grab it now
if (DestStructure.ContainsKey(RelativeDestFilePath))
{
DestInfo = DestStructure[RelativeDestFilePath];
}
else
{
string FullDestPath = Path.Combine(DestDir.FullName, RelativeDestFilePath);
DestInfo = new FileInfo(FullDestPath);
}
if (DestInfo.Exists == false)
{
// No copy in dest, add it to the list
CopyList.Add(new Tuple<FileInfo, FileInfo>(DestInfo, SourceInfo));
}
else
{
// Check the file is the same version
// Difference in ticks. Even though we set the dest to the src there still appears to be minute
// differences in ticks. 1ms is 10k ticks...
Int64 TimeDelta = Math.Abs(DestInfo.LastWriteTime.Ticks - SourceInfo.LastWriteTime.Ticks);
Int64 Threshhold = 100000;
if (DestInfo.Length != SourceInfo.Length ||
TimeDelta > Threshhold)
{
CopyList.Add(new Tuple<FileInfo, FileInfo>(DestInfo, SourceInfo));
}
else
{
if (Options.Verbose)
{
Log.Info("Will skip copy to {0}. File up to date.", DestInfo.FullName);
}
else
{
Log.Verbose("Will skip copy to {0}. File up to date.", DestInfo.FullName);
}
}
// Remove it from the map
DestStructure.Remove(RelativeDestFilePath);
}
}
// If set to mirror, delete all the files that were not in source
if (IsMirroring)
{
// Now go through the remaining map items and delete them
foreach (var Pair in DestStructure)
{
DeletionList.Add(Pair.Key);
}
foreach (string RelativePath in DeletionList)
{
FileInfo DestInfo = new FileInfo(Path.Combine(DestDir.FullName, RelativePath));
if (!DestInfo.Exists)
{
continue;
}
if (Options.Verbose)
{
Log.Info("Deleting extra file {0}", DestInfo.FullName);
}
else
{
Log.Verbose("Deleting extra file {0}", DestInfo.FullName);
}
try
{
// avoid an UnauthorizedAccessException by making sure file isn't read only
DestInfo.IsReadOnly = false;
Delete(DestInfo);
}
catch (Exception Ex)
{
Log.Warning("Failed to delete file {0}. {1}", DestInfo.FullName, Ex);
}
}
// delete empty directories
DirectoryInfo DestDirInfo = new DirectoryInfo(DestDirPath);
DirectoryInfo[] AllSubDirs = GetDirectories(DestDirInfo, "*", SearchOption.AllDirectories);
foreach (DirectoryInfo SubDir in AllSubDirs)
{
try
{
if (GetFiles(SubDir).Length == 0 && GetDirectories(SubDir).Length == 0)
{
if (Options.Verbose)
{
Log.Info("Deleting empty dir {0}", SubDir.FullName);
}
else
{
Log.Verbose("Deleting empty dir {0}", SubDir.FullName);
}
Delete(SubDir, true);
}
}
catch (Exception Ex)
{
// handle the case where a file is locked
Log.Info("Failed to delete directory {0}. {1}", SubDir.FullName, Ex);
}
}
}
CancellationTokenSource CTS = new CancellationTokenSource();
// todo - make param..
var POptions = new ParallelOptions { MaxDegreeOfParallelism = 1, CancellationToken = CTS.Token };
// install a cancel handler so we can stop parallel-for gracefully
Action CancelHandler = delegate()
{
CTS.Cancel();
};
Globals.AbortHandlers.Add(CancelHandler);
// now do the work
Parallel.ForEach(CopyList, POptions, FilePair =>
{
// ensure path exists
FileInfo DestInfo = FilePair.Item1;
FileInfo SrcInfo = FilePair.Item2;
// ensure directory exists
DestInfo.Directory.Create();
int Tries = 0;
bool Copied = false;
do
{
try
{
if (Options.Verbose)
{
Log.Info("Copying to {0}", DestInfo.FullName);
}
else
{
Log.Verbose("Copying to {0}", DestInfo.FullName);
}
DestInfo = SrcInfo.CopyTo(DestInfo.FullName, true);
// Clear attributes and set last write time
DestInfo.Attributes = FileAttributes.Normal;
DestInfo.LastWriteTime = SrcInfo.LastWriteTime;
Copied = true;
}
catch (Exception ex)
{
if (Tries++ < Options.Retries)
{
Log.Info("Copy to {0} failed, retrying {1} of {2} in 30 secs..", DestInfo.FullName, Tries, Options.Retries);
Log.Verbose("\t{0}", ex);
Thread.Sleep(30000);
}
else
{
Log.Info("File Copy failed with {0}.", ex.Message);
// Warn with message if we're exceeding long path, otherwise throw an exception
const int MAX_PATH = 260;
bool LongPath = BuildHostPlatform.Current.Platform == UnrealTargetPlatform.Win64 && (SrcInfo.FullName.Length >= MAX_PATH || DestInfo.FullName.Length >= MAX_PATH);
if (!LongPath)
{
throw new Exception(string.Format("File Copy failed with {0}.", ex.Message));
}
else
{
string LongPathMessage = (Environment.OSVersion.Version.Major > 6) ?
"Long path detected, check that long paths are enabled." :
"Long path detected, OS version doesn't support long paths.";
// Break out of loop with warning
Copied = true;
// Filter out some known unneeded files which can cause this warning, and log the message instead
string[] Denylist = new string[]{ "UECC-", "PersistentDownloadDir" };
string Message = string.Format("Long path file copy failed with {0}. Please verify that this file is not required.", ex.Message);
if (Denylist.FirstOrDefault(B => { return SrcInfo.FullName.IndexOf(B, StringComparison.OrdinalIgnoreCase) >= 0; }) == null)
{
Log.Warning(Message);
}
else
{
Log.Info(Message);
}
}
}
}
} while (Copied == false);
});
TimeSpan Duration = DateTime.Now - StartTime;
if (Duration.TotalSeconds > 10)
{
if (Options.Verbose)
{
Log.Info("Copied Directory in {0}", Duration.ToString(@"mm\m\:ss\s"));
}
else
{
Log.Verbose("Copied Directory in {0}", Duration.ToString(@"mm\m\:ss\s"));
}
}
// remove cancel handler
Globals.AbortHandlers.Remove(CancelHandler);
}
public static string MakePathRelative(string FullPath, string BasePath)
{
// base path must be correctly formed!
if (BasePath.Last() != Path.DirectorySeparatorChar)
{
BasePath += Path.DirectorySeparatorChar;
}
var ReferenceUri = new Uri(BasePath);
var FullUri = new Uri(FullPath);
return ReferenceUri.MakeRelativeUri(FullUri).ToString();
}
public static string CorrectDirectorySeparators(string InPath)
{
if (Path.DirectorySeparatorChar == '/')
{
return InPath.Replace('\\', Path.DirectorySeparatorChar);
}
else
{
return InPath.Replace('/', Path.DirectorySeparatorChar);
}
}
public static bool ApplicationExists(string InPath)
{
if (File.Exists(InPath))
{
return true;
}
if (BuildHostPlatform.Current.Platform == UnrealTargetPlatform.Mac)
{
if (InPath.EndsWith(".app", StringComparison.OrdinalIgnoreCase))
{
return Directory.Exists(InPath);
}
}
return false;
}
public static bool IsNetworkPath(string InPath)
{
if (InPath.StartsWith("//") || InPath.StartsWith(@"\\"))
{
return true;
}
string RootPath = Path.GetPathRoot(InPath); // get drive's letter
if (string.IsNullOrEmpty(RootPath))
{
return false;
}
DriveInfo driveInfo = new System.IO.DriveInfo(RootPath); // get info about the drive
return driveInfo.DriveType == DriveType.Network; // return true if a network drive
}
/// <summary>
/// Marks a directory for future cleanup
/// </summary>
/// <param name="InPath"></param>
public static void MarkDirectoryForCleanup(string InPath)
{
if (Directory.Exists(InPath) == false)
{
Directory.CreateDirectory(InPath);
}
// write a token, used to detect and old gauntlet-installed builds periodically
string TokenPath = Path.Combine(InPath, "gauntlet.tempdir");
File.WriteAllText(TokenPath, "Created by Gauntlet");
}
/// <summary>
/// Removes any directory at the specified path which has a file matching the provided name
/// older than the specified number of days. Used by code that writes a .token file to temp
/// folders
/// </summary>
/// <param name="InPath"></param>
/// <param name="Days"></param>
public static void CleanupMarkedDirectories(string InPath, int Days)
{
DirectoryInfo Di = new DirectoryInfo(InPath);
if (Di.Exists == false)
{
return;
}
foreach (DirectoryInfo SubDir in GetDirectories(Di))
{
bool HasFile =
GetFiles(SubDir).Where(F => {
int DaysOld = (DateTime.Now - F.LastWriteTime).Days;
if (DaysOld >= Days)
{
// use the old and new tokennames
return string.Equals(F.Name, "gauntlet.tempdir", StringComparison.OrdinalIgnoreCase) ||
string.Equals(F.Name, "gauntlet.token", StringComparison.OrdinalIgnoreCase);
}
return false;
}).Count() > 0;
if (HasFile)
{
Log.Info("Removing old directory {0}", SubDir.Name);
try
{
Delete(SubDir, true);
}
catch (Exception Ex)
{
Log.Warning("Failed to remove old directory {0}. {1}", SubDir.FullName, Ex.Message);
}
}
else
{
CleanupMarkedDirectories(SubDir.FullName, Days);
}
}
}
/// <summary>
/// Wrap DirectoryInfo.GetFiles() and retry once if exception is "A retry should be performed."
/// </summary>
public static FileInfo[] GetFiles(DirectoryInfo Directory)
{
FileInfo[] Files = null;
try
{
Files = Directory.GetFiles();
}
catch (Exception ex)
{
if (ex.ToString().Contains("A retry should be performed"))
{
Log.Info("Retrying Directory.GetFiles() once.");
Files = Directory.GetFiles();
}
else
{
throw;
}
}
return Files;
}
/// <summary>
/// Wrap DirectoryInfo.GetFiles(Pattern, SearchOption) and retry once if exception is "A retry should be performed."
/// </summary>
public static FileInfo[] GetFiles(DirectoryInfo Directory, string Pattern, SearchOption SearchOption)
{
FileInfo[] Files = null;
try
{
Files = Directory.GetFiles(Pattern, SearchOption);
}
catch (Exception ex)
{
if (ex.ToString().Contains("A retry should be performed"))
{
Log.Info("Retrying Directory.GetFiles(Pattern, SearchOption) once.");
Files = Directory.GetFiles(Pattern, SearchOption);
}
else
{
throw;
}
}
return Files;
}
/// <summary>
/// Wrap DirectoryInfo.GetDirectories() and retry once if exception is "A retry should be performed."
/// </summary>
public static DirectoryInfo[] GetDirectories(DirectoryInfo Directory)
{
DirectoryInfo[] Directories = null;
try
{
Directories = Directory.GetDirectories();
}
catch (Exception ex)
{
if (ex.ToString().Contains("A retry should be performed"))
{
Log.Info("Retrying Directory.GetDirectories() once.");
Directories = Directory.GetDirectories();
}
else
{
throw;
}
}
return Directories;
}
/// <summary>
/// Wrap DirectoryInfo.GetDirectories(Pattern, SearchOption) and retry once if exception is "A retry should be performed."
/// </summary>
public static DirectoryInfo[] GetDirectories(DirectoryInfo Directory, string Pattern, SearchOption SearchOption)
{
DirectoryInfo[] Directories = null;
try
{
Directories = Directory.GetDirectories(Pattern, SearchOption);
}
catch (Exception ex)
{
if (ex.ToString().Contains("A retry should be performed"))
{
Log.Info("Retrying Directory.GetDirectories(Pattern, SearchOption) once.");
Directories = Directory.GetDirectories(Pattern, SearchOption);
}
else
{
throw;
}
}
return Directories;
}
/// <summary>
/// Wrap DirectoryInfo.GetFileSystemInfos(Pattern, SearchOption) and retry once if exception is "A retry should be performed."
/// </summary>
/// <param name="Directory"></param>
/// <param name="Pattern"></param>
/// <param name="SearchOption"></param>
/// <returns></returns>
public static FileSystemInfo[] GetFileSystemInfos(DirectoryInfo Directory, string Pattern, SearchOption SearchOption)
{
FileSystemInfo[] FileInfos = null;
try
{
FileInfos = Directory.GetFileSystemInfos(Pattern, SearchOption);
}
catch (Exception ex)
{
if (ex.ToString().Contains("A retry should be performed"))
{
Log.Info("Retrying Directory.GetFileSystemInfos(Pattern, SearchOption) once.");
FileInfos = Directory.GetFileSystemInfos(Pattern, SearchOption);
}
else
{
throw;
}
}
return FileInfos;
}
/// <summary>
/// Deletes the specified directory
/// </summary>
/// <param name="Directory">The directory to delete</param>
/// <param name="bRecursive">Whether or not subdirectories and it's contents should also be deleted</param>
/// <param name="bForce">If true, a second attempt will me made at file deletion after setting file attributes to normal</param>
public static void Delete(DirectoryInfo Directory, bool bRecursive, bool bForce = false)
{
try
{
Directory.Delete(bRecursive);
}
catch (Exception Ex)
{
if (Ex.ToString().Contains("A retry should be performed"))
{
Log.Info("Retrying deletion once.");
Directory.Delete(bRecursive);
}
else if(bForce)
{
Log.Info("Setting files in {Directory} to have normal attributes (no longer read-only) and retrying deletion.", Directory);
Directory.Attributes = FileAttributes.Normal;
foreach(FileSystemInfo Info in Directory.EnumerateFiles("*", SearchOption.AllDirectories))
{
Info.Attributes = FileAttributes.Normal;
Info.Delete(); // throw exceptions here because we have requested a force clean
}
}
else
{
Log.Warning("Failed to delete directory {Directory}!", Directory);
}
}
}
/// <summary>
/// Deletes the specified file
/// </summary>
/// <param name="File">The file to delete</param>
/// <param name="bForce">If true, a second attempt will me made at file deletion after setting file attributes to normal</param>
public static void Delete(FileInfo File, bool bForce = false)
{
try
{
File.Delete();
}
catch (Exception Ex)
{
if (Ex.ToString().Contains("A retry should be performed"))
{
Log.Info("Retrying deletion once.");
File.Delete();
}
else if (bForce)
{
Log.Info("Setting files {File} to have normal attributes (no longer read-only) and retrying deletion.", File);
File.Attributes = FileAttributes.Normal;
File.Delete(); // throw exceptions here because we have requested a force clean
}
else
{
Log.Warning("Failed to delete directory {Directory}!", File);
}
}
}
/// <summary>
/// Return the fully qualified location of file path, including the Long path prefix if necessary
/// </summary>
/// <param name="FilePath"></param>
/// <returns></returns>
public static string GetFullyQualifiedPath(string FilePath)
{
FilePath = Path.GetFullPath(FilePath);
if (!FilePath.StartsWith(@"\\") && FilePath.Length > 260)
{
return Globals.LongPathPrefix + FilePath;
}
return FilePath;
}
}
public class Image
{
protected static IEnumerable<FileInfo> GetSupportedFilesAtPath(string InPath)
{
string[] Extensions = new[] { ".jpg", ".jpeg", ".png", ".bmp" };
DirectoryInfo Di = new DirectoryInfo(InPath);
var Files = SystemHelpers.GetFiles(Di).Where(f => Extensions.Contains(f.Extension.ToLower()));
return Files;
}
public static bool SaveImagesAsGif(IEnumerable<string> FilePaths, string OutPath, uint Delay=100)
{
Log.Verbose("Turning {0} files into {1}", FilePaths.Count(), OutPath);
try
{
using (MagickImageCollection Collection = new MagickImageCollection())
{
foreach (string File in FilePaths)
{
int Index = Collection.Count();
Collection.Add(File);
Collection[Index].AnimationDelay = Delay;
}
// Optionally reduce colors
/*QuantizeSettings settings = new QuantizeSettings();
settings.Colors = 256;
Collection.Quantize(settings);*/
foreach (MagickImage image in Collection)
{
image.Resize(640, 0);
}
// Optionally optimize the images (images should have the same size).
Collection.Optimize();
// Save gif
Collection.Write(OutPath);
Log.Verbose("Saved {0}", OutPath);
}
}
catch (System.Exception Ex)
{
Log.Warning("SaveAsGif failed: {0}", Ex);
return false;
}
return true;
}
public static bool SaveImagesAsGif(string InDirectory, string OutPath)
{
string[] Extensions = new[] { ".jpg", ".jpeg", ".png", ".bmp" };
DirectoryInfo Di = new DirectoryInfo(InDirectory);
var Files = GetSupportedFilesAtPath(InDirectory);
// sort by creation time
Files = Files.OrderBy(F => F.CreationTimeUtc);
if (Files.Count() == 0)
{
Log.Info("Could not find files at {0} to Gif-ify", InDirectory);
return false;
}
return SaveImagesAsGif(Files.Select(F => F.FullName), OutPath);
}
public static bool ResizeImages(string InDirectory, uint MaxWidth)
{
var Files = GetSupportedFilesAtPath(InDirectory);
if (Files.Count() == 0)
{
Log.Warning("Could not find files at {0} to resize", InDirectory);
return false;
}
Log.Verbose("Reizing {0} files at {1} to have a max width of {2}", Files.Count(), InDirectory, MaxWidth);
try
{
foreach (FileInfo File in Files)
{
using (MagickImage Image = new MagickImage(File.FullName))
{
if (Image.Width > MaxWidth)
{
Image.Resize(MaxWidth, 0);
Image.Write(File);
}
}
}
}
catch (System.Exception Ex)
{
Log.Warning("ResizeImages failed: {0}", Ex);
return false;
}
return true;
}
public static bool ConvertImages(string InDirectory, string OutDirectory, string OutExtension, bool DeleteOriginals)
{
var Files = GetSupportedFilesAtPath(InDirectory);
if (Files.Count() == 0)
{
Log.Warning("Could not find files at {0} to resize", InDirectory);
return false;
}
Log.Verbose("Converting {0} files to {1}", Files.Count(), OutExtension);
try
{
List<FileInfo> FilesToCleanUp = new List<FileInfo>();
foreach (FileInfo File in Files)
{
using (MagickImage Image = new MagickImage(File.FullName))
{
string OutFile = Path.Combine(OutDirectory, File.Name);
OutFile = Path.ChangeExtension(OutFile, OutExtension);
// If we're trying to convert something to itself in place, skip the step.
if (OutFile != File.FullName)
{
Image.Write(OutFile);
if (DeleteOriginals)
{
FilesToCleanUp.Add(File);
}
}
}
}
foreach (FileInfo File in FilesToCleanUp)
{
SystemHelpers.Delete(File);
}
}
catch (Exception Ex)
{
Log.Warning("ConvertImages failed: {0}", Ex);
try
{
if (DeleteOriginals)
{
Files.ToList().ForEach(F => SystemHelpers.Delete(F));
}
}
catch (Exception e)
{
Log.Warning("Cleaning up original files failed: {0}", e);
}
return false;
}
return true;
}
}
}
public static class RegexUtil
{
public static bool MatchAndApplyGroups(string InContent, string RegEx, Action<string[]> InFunc)
{
return MatchAndApplyGroups(InContent, RegEx, RegexOptions.IgnoreCase, InFunc);
}
public static bool MatchAndApplyGroups(string InContent, string RegEx, RegexOptions Options, Action<string[]> InFunc)
{
Match M = Regex.Match(InContent, RegEx, Options);
IEnumerable<string> StringMatches = null;
if (M.Success)
{
StringMatches = M.Groups.Cast<Capture>().Select(G => G.ToString());
InFunc(StringMatches.ToArray());
}
return M.Success;
}
}
public static class DirectoryUtils
{
/// <summary>
/// Enumerate files from a given directory that pass the specified regex
/// </summary>
/// <param name="BaseDir">Base directory to search in</param>
/// <param name="Pattern">Pattern for matching files</param>
/// <returns>Sequence of file references</returns>
public static IEnumerable<string> FindFiles(string BaseDir, Regex Pattern)
{
IEnumerable<string> Files = System.IO.Directory.EnumerateFiles(BaseDir, "*");
Files = Files.Where(F => Pattern.IsMatch(F));
return Files.ToArray();
}
/// <summary>
/// Returns true if any part of the specified path contains 'Component'. E.g. c:\Temp\Foo\Bar would return true for 'Foo'
/// </summary>
/// <param name="InPath">Path to search</param>
/// <param name="InComponent">Component to look for</param>
/// <param name="InPartialMatch">Whether a partial match is ok. E.g 'Fo' instead of 'Foo'</param>
/// <returns></returns>
public static bool PathContainsComponent(string InPath, string InComponent, bool InPartialMatch=false)
{
// normalize and split the path
var Components = new DirectoryInfo(InPath).FullName.Split(Path.DirectorySeparatorChar);
return InPartialMatch
? Components.Any(S => S.Contains(InComponent, StringComparison.OrdinalIgnoreCase))
: Components.Any(S => S.Equals(InComponent, StringComparison.OrdinalIgnoreCase));
}
/// <summary>
/// Returns subdirectories that match the specified regular expression, searching up to the specified maximum depth
/// </summary>
/// <param name="BaseDir">Directory to start searching in</param>
/// <param name="RegexPattern">Regular expression to match on</param>
/// <param name="RecursionDepth">Depth to search (-1 = unlimited)</param>
/// <returns></returns>
public static IEnumerable<DirectoryInfo> FindMatchingDirectories(string BaseDir, string RegexPattern, int RecursionDepth=0)
{
List<DirectoryInfo> Found = new List<DirectoryInfo>();
List<DirectoryInfo> Candidates = new List<DirectoryInfo>(Utils.SystemHelpers.GetDirectories(new DirectoryInfo(BaseDir)));
Regex Pattern = new Regex(RegexPattern, RegexOptions.IgnoreCase);
int CurrentDepth = 0;
do
{
IEnumerable<DirectoryInfo> MatchingDirs = Candidates.Where(D => Pattern.IsMatch(D.Name));
Found.AddRange(MatchingDirs);
// recurse
Candidates = Candidates.SelectMany(D => Utils.SystemHelpers.GetDirectories(D)).ToList();
} while (Candidates.Any() && (CurrentDepth++ < RecursionDepth || RecursionDepth == -1)); ;
return Found;
}
/// <summary>
/// Returns files, that match the specified regular expression, ignoring case, in the provided folder,
/// searching up to a maximum depth
/// </summary>
/// <param name="BaseDir">Directory to start searching in</param>
/// <param name="RegexPattern">Regular expression pattern to match on</param>
/// <param name="RecursionDepth">Optional depth to search (-1 = unlimited)</param>
/// <returns></returns>
public static IEnumerable<FileInfo> FindMatchingFiles(string BaseDir, string RegexPattern, int RecursionDepth = 0)
{
Regex RegExObj = new Regex(RegexPattern, RegexOptions.IgnoreCase);
return MatchFiles(BaseDir, RegExObj, RecursionDepth);
}
/// <summary>
/// Returns files that match a specified regular expression in the provided folder, searching up to a maximum depth
/// </summary>
/// <param name="BaseDir">Directory to start searching in</param>
/// <param name="RegExObj">RegEx to match on</param>
/// <param name="RecursionDepth">Optional depth to search (-1 = unlimited)</param>
/// <returns></returns>
public static IEnumerable<FileInfo> FindMatchingFiles(string BaseDir, Regex RegExObj, int RecursionDepth = 0)
{
return MatchFiles(BaseDir, RegExObj, RecursionDepth);
}
/// <summary>
/// Returns files that match the given RegEx from the provided folder, searching up to a maximum depth
/// </summary>
/// <param name="BaseDir">Directory to start searching in</param>
/// <param name="RegExObj">RegEx to match on</param>
/// <param name="RecursionDepth">Depth to search (-1 = unlimited)</param>
/// <returns></returns>
private static IEnumerable<FileInfo> MatchFiles(string BaseDir, Regex RegExObj, int RecursionDepth)
{
List<FileInfo> Found = new List<FileInfo>();
IEnumerable<DirectoryInfo> CandidateDirs = new DirectoryInfo[] { new DirectoryInfo(BaseDir) };
int CurrentDepth = 0;
do
{
// check for matching files in this set of directories
IEnumerable<FileInfo> MatchingFiles = CandidateDirs.SelectMany(D => Utils.SystemHelpers.GetFiles(D)).Where(F => RegExObj.IsMatch(F.Name));
Found.AddRange(MatchingFiles);
// recurse into this set of directories
CandidateDirs = CandidateDirs.SelectMany(D => Utils.SystemHelpers.GetDirectories(D)).ToList();
} while (CandidateDirs.Any() && (CurrentDepth++ < RecursionDepth || RecursionDepth == -1)); ;
return Found;
}
}
public static class FileUtils
{
/// <summary>
/// Sanitize filename
/// </summary>
/// <param name="Name"></param>
/// <returns></returns>
static public string SanitizeFilename(string Name)
{
return Regex.Replace(Name, @"[^a-z0-9_\-.]+", "_", RegexOptions.IgnoreCase);
}
/// <summary>
/// Convert file path to a Uri valid and Url encoded string
/// </summary>
/// <param name="Path"></param>
/// <returns></returns>
static public string ConvertPathToUri(string Path)
{
// Uri.AbsolutPath remove only 'file://', the extra / still need to be removed, enhance using string.Substring(1)
return new Uri($"file:///{Path}").AbsolutePath.Substring(1);
}
}
public static class ProcessUtils
{
/// <summary>
/// Create a text file with a header listing Gauntlet Test and command line used.
/// Return the StreamWriter instance used to create the file.
/// Intended to be used for log file.
/// </summary>
/// <param name="FilePath"></param>
/// <param name="Commandline"></param>
/// <returns></returns>
static public StreamWriter CreateWriterForProcessLog(string FilePath, string Commandline)
{
StreamWriter Writer = File.CreateText(FilePath);
Writer.WriteLine("------ Gauntlet Test ------");
Writer.WriteLine($"Command Line: {Commandline}");
Writer.WriteLine("---------------------------");
return Writer;
}
/// <summary>
/// Write output log from IAppInstance if related instance log size is under size limit.
/// </summary>
/// <param name="AppInstance"></param>
/// <param name="FilePath"></param>
/// <param name="Commandline"></param>
/// <returns></returns>
static public bool WriteOutputLog(IAppInstance AppInstance, string FilePath, string Commandline)
{
CheckProcessLogReachedSizeLimit(AppInstance);
StreamWriter Writer = CreateWriterForProcessLog(FilePath, Commandline);
Writer.Write(AppInstance.StdOut);
Writer.Close();
return true;
}
/// <summary>
/// Get log size limit for log file in bytes. Return 0 if -NoMaxLogSize is used.
/// </summary>
/// <returns></returns>
static public long GetProcessLogSizeLimit()
{
return Globals.Params.ParseParam("NoMaxLogSize") ? 0 : 1024 * 1024 * 1024;
}
static public void CheckProcessLogReachedSizeLimit(IAppInstance AppInstance)
{
long MaxLogSize = GetProcessLogSizeLimit();
if (MaxLogSize > 0)
{
long LogSize = AppInstance.StdOut.Length * sizeof(char);
if (LogSize > MaxLogSize)
{
throw new AutomationException("Log reached 1Gb size limit.");
}
}
}
/// <summary>
/// Check if LogFile size reached limit. Throw AutomationException if reached.
/// </summary>
/// <param name="LogFile"></param>
/// <exception cref="AutomationException"></exception>
static public void CheckProcessLogReachedSizeLimit(FileReference LogFile)
{
long MaxLogSize = GetProcessLogSizeLimit();
if (MaxLogSize > 0)
{
long LogSize = LogFile.ToFileInfo().Length;
if (LogSize > MaxLogSize)
{
throw new AutomationException("Log reached 1Gb size limit.");
}
}
}
/// <summary>
/// Get CircularLogBuffer line capacity limit.
/// </summary>
/// <returns></returns>
static public int GetCircularLogBufferCapacityLimit()
{
return Globals.Params.ParseValue("Gauntlet.LogBufferLineCapacity", 1024);
}
/// <summary>
/// Create CircularLogBuffer using Gauntlet default buffer line limit
/// </summary>
/// <returns></returns>
static public CircularLogBuffer CreateLogBuffer()
{
return new CircularLogBuffer(GetCircularLogBufferCapacityLimit());
}
/// <summary>
/// Try to get a log file. Return the available file path.
/// </summary>
/// <param name="AppName"></param>
/// <returns></returns>
static public string GetLogFilePath(string AppName, string LocalCache)
{
string LogFilenameBase = String.Format("{0}_{1}", AppName, DateTime.Now.ToString("yyyy.MM.dd-HH.mm.ss"));
for (int Attempt = 1; Attempt < 100; ++Attempt)
{
if (!Directory.Exists(LocalCache) && !Directory.CreateDirectory(LocalCache).Exists)
{
break;
}
string LogFilenameBaseToCreate = LogFilenameBase;
if (Attempt > 1)
{
LogFilenameBaseToCreate += "_" + Attempt;
}
LogFilenameBaseToCreate += ".log";
string LogFilenameToCreate = Path.Combine(LocalCache, LogFilenameBaseToCreate);
if (File.Exists(LogFilenameToCreate))
{
continue;
}
return LogFilenameToCreate;
}
return string.Empty;
}
/// <summary>
/// Local logs cache
/// </summary>
static public string LocalLogsPath => Path.Combine(Globals.TempDir, "DeviceCache", "Logs");
}
/// <summary>
/// Interface for stream reader used in context of log
/// </summary>
public interface ILogStreamReader
{
/// <summary>
/// Set desired line index to start reading line
/// </summary>
/// <param name="LineIndex"></param>
void SetLineIndex(int LineIndex);
/// <summary>
/// Get line index used to read next line
/// </summary>
/// <returns></returns>
int GetLineIndex();
/// <summary>
/// Get next line at line index and increment line index by one.
/// Return null if no line is available.
/// </summary>
/// <returns></returns>
string GetNextLine();
/// <summary>
/// Return full content of available underlying stream.
/// This is for backward compatibility. It is not efficient and defy the purpose of using a stream reader.
/// </summary>
/// <returns></returns>
string GetContent();
/// <summary>
/// Generate an enumerator that iterates all available lines from last line index (and update it).
/// </summary>
/// <returns></returns>
IEnumerable<string> EnumerateNextLines();
/// <summary>
/// Get available line count from the underlying stream
/// </summary>
/// <returns></returns>
int GetAvailableLineCount();
/// <summary>
/// Clone the stream reader including current line index
/// </summary>
/// <returns></returns>
ILogStreamReader Clone();
}
/// <summary>
/// Provide a ILogStreamReader from a string using a callback to pull that string dynamically.
/// Used in conjunction with IProcessResult to read process output.
/// </summary>
public class DynamicStringReader : ILogStreamReader
{
private Func<string> _getLog;
private int _lineIndex = 0;
private int _targetLineIndex = 0;
private int _contentCharIndex = 0;
public DynamicStringReader(Func<string> Callback)
{
_lineIndex = 0;
_targetLineIndex = 0;
_contentCharIndex = 0;
_getLog = Callback;
}
public void SetLineIndex(int LineIndex)
{
if (LineIndex < 0)
{
throw new AutomationException("DynamicStringReader does not support negative indexing.");
}
_targetLineIndex = LineIndex;
}
public int GetLineIndex() => _targetLineIndex;
public string GetNextLine()
{
string StdOut = _getLog();
if (_targetLineIndex != _lineIndex)
{
SkipToTargetIndex(StdOut);
}
if (_contentCharIndex >= StdOut.Length)
{
return null;
}
int EndIdx = StdOut.IndexOf('\n', _contentCharIndex);
if (EndIdx == -1)
{
EndIdx = StdOut.Length;
}
string Line = StdOut.Substring(_contentCharIndex, EndIdx - _contentCharIndex).TrimEnd('\r');
_contentCharIndex = EndIdx + 1;
_targetLineIndex = ++_lineIndex;
return Line;
}
private void SkipToTargetIndex(string StdOut)
{
// Check if _lineIndex needs to skip to _targetIndex
if (_targetLineIndex < _lineIndex)
{
_lineIndex = 0;
_contentCharIndex = 0;
}
while (_contentCharIndex < StdOut.Length && _lineIndex < _targetLineIndex)
{
int NextIdx = StdOut.IndexOf('\n', _contentCharIndex);
if (NextIdx == -1)
{
NextIdx = StdOut.Length;
}
_contentCharIndex = NextIdx + 1;
_lineIndex++;
}
_targetLineIndex = _lineIndex;
}
public IEnumerable<string> EnumerateNextLines()
{
string Line = GetNextLine();
while (Line != null)
{
yield return Line;
Line = GetNextLine();
}
}
public string GetContent() => _getLog();
public int GetAvailableLineCount() => _getLog().Count(C => C == '\n');
public ILogStreamReader Clone()
{
DynamicStringReader Clone = new DynamicStringReader(_getLog);
Clone.SetLineIndex(GetLineIndex());
return Clone;
}
}
/// <summary>
/// Provide a ILogStreamReader instance from a text file
/// </summary>
public class LogFileReader : ILogStreamReader, IDisposable
{
private string _filePath;
private StreamReader _stream;
private FileStream _file;
private int _lineIndex;
private int _targetLineIndex;
public LogFileReader(string FilePath)
{
_filePath = FilePath;
_file = File.Open(FilePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite);
_stream = new StreamReader(_file);
_lineIndex = 0;
_targetLineIndex = 0;
}
~LogFileReader()
{
Dispose();
}
public void Dispose()
{
_stream.Dispose();
_file.Dispose();
}
public void SetLineIndex(int Index)
{
_targetLineIndex = Index;
}
public int GetLineIndex() => _targetLineIndex;
public string GetNextLine()
{
if (_targetLineIndex < _lineIndex)
{
_stream.DiscardBufferedData();
_stream.BaseStream.Seek(0, SeekOrigin.Begin);
_lineIndex = 0;
}
while(_lineIndex < _targetLineIndex)
{
if (_stream.ReadLine() != null)
{
_lineIndex++;
}
else
{
_targetLineIndex = _lineIndex;
}
}
string Line = _stream.ReadLine();
if (Line != null)
{
_targetLineIndex = ++_lineIndex;
}
return Line;
}
public string GetContent()
{
long CurrentCharIndex = _stream.BaseStream.Position;
if (CurrentCharIndex != 0)
{
_stream.DiscardBufferedData();
_stream.BaseStream.Seek(0, SeekOrigin.Begin);
}
string Content = _stream.ReadToEnd();
_stream.DiscardBufferedData();
_stream.BaseStream.Seek(CurrentCharIndex, SeekOrigin.Begin);
return Content;
}
public IEnumerable<string> EnumerateNextLines()
{
string Line = GetNextLine();
while (Line != null)
{
yield return Line;
Line = GetNextLine();
}
}
public int GetAvailableLineCount()
{
long CurrentCharIndex = _stream.BaseStream.Position;
_stream.DiscardBufferedData();
_stream.BaseStream.Seek(0, SeekOrigin.Begin);
int LineCount = 0;
int Char = '\0';
do
{
Char = _stream.Read();
if (Char == '\n')
{
LineCount++;
}
} while (Char != -1);
_stream.DiscardBufferedData();
_stream.BaseStream.Seek(CurrentCharIndex, SeekOrigin.Begin);
return LineCount;
}
public ILogStreamReader Clone()
{
LogFileReader Clone = new LogFileReader(_filePath);
Clone.SetLineIndex(GetLineIndex());
return Clone;
}
}
/// <summary>
/// Provide a ILogStreamReader instance from a CircularLogBuffer
/// </summary>
public class LogBufferReader : ILogStreamReader
{
private int _lineIndex = 0;
private CircularLogBuffer _buffer;
public LogBufferReader(CircularLogBuffer Buffer)
{
_lineIndex = Buffer.GetFirstAvailableLineIndex();
_buffer = Buffer;
}
public void SetLineIndex(int LineIndex)
{
if (LineIndex < 0)
{
_lineIndex = _buffer.GetLastLineIndex() + 1 + LineIndex;
}
else
{
_lineIndex = Math.Min(LineIndex, _buffer.GetLastLineIndex() + 1);
}
}
public int GetLineIndex() => _lineIndex;
public string GetNextLine()
{
_lineIndex = Math.Max(_buffer.GetFirstAvailableLineIndex(), _lineIndex);
string Line = _buffer.GetLine(_lineIndex);
if (Line != null)
{
_lineIndex++;
}
return Line;
}
public IEnumerable<string> EnumerateNextLines()
{
string Line = GetNextLine();
while (Line != null)
{
yield return Line;
Line = GetNextLine();
}
}
public string GetContent() => _buffer.GetContent();
public int GetAvailableLineCount() => _buffer.GetAvailableLineCount();
public ILogStreamReader Clone()
{
LogBufferReader Clone = new LogBufferReader(_buffer);
Clone.SetLineIndex(GetLineIndex());
return Clone;
}
}
/// <summary>
/// Circular log buffer separating input as line. Capacity being based on lines.
/// </summary>
public class CircularLogBuffer : IEnumerable<string>
{
private string[] _list;
private int _capacity = 0;
private int _lineIndex = -1;
private ReaderWriterLockSlim _lock = new ReaderWriterLockSlim();
public CircularLogBuffer(int Capacity)
{
if (Capacity <= 0)
{
throw new AutomationException("CircularLogBuffer capacity must be larger than 0.");
}
_list = new string[Capacity];
_capacity = Capacity;
_lineIndex = -1;
}
/// <summary>
/// Allow to feed the log buffer with text content. The input is parsed and separated into lines.
/// </summary>
/// <param name="Content"></param>
/// <returns></returns>
public CircularLogBuffer Feed(string Content)
{
for (int BaseIdx = 0; BaseIdx < Content.Length;)
{
int EndIdx = Content.IndexOf('\n', BaseIdx);
if (EndIdx == -1)
{
EndIdx = Content.Length;
}
AppendLine(Content.Substring(BaseIdx, EndIdx - BaseIdx).TrimEnd('\r'));
BaseIdx = EndIdx + 1;
}
return this;
}
/// <summary>
/// Append input line to the log buffer
/// </summary>
/// <param name="Item"></param>
/// <returns></returns>
public CircularLogBuffer AppendLine(string Item)
{
_lock.EnterWriteLock();
try
{
_lineIndex++;
_list[_lineIndex % _capacity] = Item;
}
finally
{
_lock.ExitWriteLock();
}
return this;
}
/// <summary>
/// Get last line index input
/// </summary>
/// <returns></returns>
public int GetLastLineIndex()
{
return _lineIndex;
}
/// <summary>
/// Get the first/oldest available line index.
/// If the capacity was reached, the first lines are lost,
/// the returned line index will be that first available line
/// </summary>
/// <returns></returns>
public int GetFirstAvailableLineIndex()
{
return _lineIndex < _capacity ? 0 : _lineIndex - _capacity + 1;
}
/// <summary>
/// Available line count.
/// If the capacity was reached, the capacity will be returned.
/// </summary>
/// <returns></returns>
public int GetAvailableLineCount()
{
return _lineIndex < _capacity ? _lineIndex + 1 : _capacity;
}
/// <summary>
/// Get line at index
/// </summary>
/// <param name="LineIndex"></param>
/// <returns></returns>
public string GetLine(int LineIndex)
{
if (LineIndex < 0)
{
LineIndex = _lineIndex + 1 + LineIndex;
}
if (_lineIndex < 0 || LineIndex > _lineIndex || LineIndex < GetFirstAvailableLineIndex())
{
return null;
}
_lock.EnterReadLock();
try
{
return _list[LineIndex % _capacity];
}
finally
{
_lock.ExitReadLock();
}
}
/// <summary>
/// Return an instance of LogBufferReader
/// </summary>
/// <returns></returns>
public LogBufferReader GetReader()
{
return new LogBufferReader(this);
}
/// <summary>
/// Return an enumerator that iterate all available lines
/// </summary>
/// <returns></returns>
public IEnumerator<string> GetEnumerator()
{
if (_lineIndex == -1)
{
yield break;
}
int Cursor = _lineIndex < _capacity ? -1 : _lineIndex;
// If the circular buffer is at-capacity, we start at cursor index otherwise -1
// Then increment by 1, until circled back to the actual cursor index.
do
{
_lock.EnterReadLock();
try
{
Cursor = (Cursor + 1) % _capacity;
yield return _list[Cursor];
}
finally
{
_lock.ExitReadLock();
}
} while (Cursor != _lineIndex % _capacity);
}
/// <summary>
/// Return an enumerator that iterate all available lines
/// </summary>
/// <returns></returns>
System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator()
{
return this.GetEnumerator();
}
/// <summary>
/// Return the full available content as a string
/// </summary>
/// <returns></returns>
public string GetContent()
{
return string.Join('\n', this);
}
}
/// <summary>
/// Logger to file with interface to get a log reader
/// </summary>
public class FileLogger
{
private CircularLogBuffer _buffer;
private string _filepath;
private string _commandline;
private StreamWriter _writer;
/// <summary>
/// Instantiate Logger to file with interface to get a log reader
/// </summary>
/// <param name="FilePath">Target log file path</param>
/// <param name="CommandLine">Command line that producing the log output</param>
/// <param name="bKeepStreamOpen">If true, the stream writer is kept open until closed through a call to StreamClose(). The logger can still append lines when the stream is closed.</param>
public FileLogger(string FilePath, string CommandLine, bool bKeepStreamOpen = true)
{
_buffer = ProcessUtils.CreateLogBuffer();
_filepath = FilePath;
_commandline = CommandLine;
_writer = null;
try
{
_writer = ProcessUtils.CreateWriterForProcessLog(FilePath, CommandLine);
if (!bKeepStreamOpen)
{
_writer.Close();
_writer = null;
}
}
catch (IOException Ex)
{
Log.Warning("Could not write log file '{Filename}'.\n {Exception}", _filepath, Ex);
_filepath = null;
}
}
~FileLogger()
{
CloseStream();
}
public void CloseStream()
{
if (_writer != null)
{
_writer.Close();
_writer = null;
}
}
public void AppendLine(string Data)
{
if (!string.IsNullOrEmpty(_filepath))
{
try
{
if (_writer == null)
{
File.AppendAllText(_filepath, Data + '\n');
}
else
{
_writer.Write(Data + '\n');
_writer.Flush();
}
}
catch (Exception Ex)
{
Log.Warning("Could not write in log file '{Filename}'.\n {Exception}", _filepath, Ex);
_filepath = null;
}
}
foreach (string Line in Data.Split('\n'))
{
_buffer.AppendLine(Line.TrimEnd('\r'));
}
}
public ILogStreamReader GetReader()
{
if (string.IsNullOrEmpty(_filepath) || !File.Exists(_filepath))
{
return GetBufferReader();
}
return new LogFileReader(_filepath);
}
public ILogStreamReader GetBufferReader()
{
return _buffer.GetReader();
}
public void CopyFile(string FilePath)
{
FileReference NewFilePathRef = new FileReference(FilePath);
if (FilePath != _filepath)
{
if (!Directory.Exists(NewFilePathRef.Directory.FullName))
{
Directory.CreateDirectory(NewFilePathRef.Directory.FullName);
}
if (string.IsNullOrEmpty(_filepath))
{
StreamWriter Writer = ProcessUtils.CreateWriterForProcessLog(NewFilePathRef.FullName, _commandline);
foreach (string Line in _buffer)
{
Writer.WriteLine(Line);
}
Writer.Close();
_filepath = NewFilePathRef.FullName;
}
else
{
ProcessUtils.CheckProcessLogReachedSizeLimit(new FileReference(_filepath));
File.Copy(_filepath, NewFilePathRef.FullName, true);
}
}
}
}
/// <summary>
/// Extend IProcessResult to add log and buffer readers
/// </summary>
public interface ILongProcessResult : IProcessResult
{
/// <summary>
/// Return an ILogStreamReader using the log file as a source
/// </summary>
/// <returns></returns>
ILogStreamReader GetLogReader();
/// <summary>
/// Return an ILogStreamReader using the log buffer as a source
/// </summary>
/// <returns></returns>
ILogStreamReader GetLogBufferReader();
/// <summary>
/// Append string to the log output
/// </summary>
/// <param name="InData"></param>
/// <param name="IsStdErr"></param>
void AppendToOutput(string InData, bool IsStdErr);
}
/// <summary>
/// Represent a process running for a long time.
/// Output is redirected to a circular log buffer unless ERunOptions.NoStdOutRedirect is set in the options.
/// An output filter callback can be set to modify process output.
/// </summary>
public class LongProcessResult : ILongProcessResult
{
/// <summary>
/// Delegate to filter output. If the output is coming from StdErr, bIsStdErr is true.
/// If the return value is null, the line is skipped in the final output.
/// </summary>
/// <param name="Message"></param>
/// <param name="bIsStdErr"></param>
/// <returns></returns>
public delegate string OutputFilterCallbackType(string Message, bool bIsStdErr);
public int ExitCode { get; set; }
public bool bExitCodeSuccess => ExitCode == 0;
private Process LocalProcess { get; set; }
private string AppName { get; set; }
private string CommandLine { get; set; }
private FileLogger Logger { get; set; }
private string LocalCachePath { get; set; }
private bool bOutputToConsole { get; set; }
private object ProcSyncObject;
private object OutputSyncObject;
private AutoResetEvent StdOutCloseHandle = new AutoResetEvent(false);
private AutoResetEvent StdErrCloseHandle = new AutoResetEvent(false);
private OutputFilterCallbackType OutputFilterCallback;
public LongProcessResult(string Command, string Args, ERunOptions Options, OutputFilterCallbackType OutputCallback = null, string WorkingDir = null, string LocalCache = null)
{
ExitCode = -1;
Logger = null;
LocalCachePath = string.IsNullOrEmpty(LocalCache)? ProcessUtils.LocalLogsPath : Path.Combine(LocalCache, "Logs");
ProcSyncObject = new object();
OutputSyncObject = new object();
OutputFilterCallback = OutputCallback;
ProcessStartInfo StartInfo = new ProcessStartInfo(Command, Args);
if (WorkingDir != null)
{
StartInfo.WorkingDirectory = WorkingDir;
}
AppName = Path.GetFileNameWithoutExtension(StartInfo.FileName);
CommandLine = $"{Path.GetFileName(StartInfo.FileName)} {Args}";
if (!Options.HasFlag(ERunOptions.NoLoggingOfRunCommand))
{
Log.Info("Running: {CommandLine}", CommandLine);
}
LocalProcess = new Process();
LocalProcess.StartInfo = StartInfo;
bOutputToConsole = Options.HasFlag(ERunOptions.AllowSpew);
if (!Options.HasFlag(ERunOptions.NoStdOutRedirect))
{
TryCreateLogFile();
LocalProcess.StartInfo.RedirectStandardOutput = true;
LocalProcess.StartInfo.RedirectStandardError = true;
LocalProcess.StartInfo.StandardOutputEncoding = new UTF8Encoding(false, false);
LocalProcess.OutputDataReceived += StdOut;
LocalProcess.ErrorDataReceived += StdErr;
}
try
{
LocalProcess.Start();
if (!Options.HasFlag(ERunOptions.NoStdOutRedirect))
{
LocalProcess.BeginOutputReadLine();
LocalProcess.BeginErrorReadLine();
}
}
catch (Exception ex)
{
throw new AutomationException(ex, "Failed to start local process for action (\"{0}\"): {1} {2}", ex.Message, LocalProcess.StartInfo.FileName, LocalProcess.StartInfo.Arguments);
}
RegisterProcessExit();
}
private void TryCreateLogFile()
{
string LogFilename = ProcessUtils.GetLogFilePath(AppName, LocalCachePath);
if (!string.IsNullOrEmpty(LogFilename))
{
Logger = new FileLogger(LogFilename, CommandLine);
}
}
public void StdOut(object sender, DataReceivedEventArgs Args)
{
if (Args.Data != null)
{
AppendToOutput(Args.Data, false);
}
else
{
StdOutCloseHandle.Set();
}
}
public void StdErr(object sender, DataReceivedEventArgs Args)
{
if (Args.Data != null)
{
AppendToOutput(Args.Data, true);
}
else
{
StdErrCloseHandle.Set();
}
}
public void AppendToOutput(string InData, bool IsStdErr)
{
lock (OutputSyncObject)
{
string Data = OutputFilterCallback != null ? OutputFilterCallback(InData, IsStdErr) : InData;
if (Data != null)
{
Logger?.AppendLine(Data);
if(bOutputToConsole)
{
EpicGames.Core.Log.WriteLine(LogEventType.Console, Data);
}
}
}
}
public string Output => Logger?.GetReader().GetContent();
public ILogStreamReader GetLogReader() => Logger?.GetReader();
public ILogStreamReader GetLogBufferReader() => Logger?.GetBufferReader();
public FileReference WriteOutputToFile(string FilePath)
{
if (Logger == null)
{
return null;
}
Logger.CopyFile(FilePath);
return new FileReference(FilePath);
}
public bool HasExited
{
get
{
bool bHasExited = true;
lock (ProcSyncObject)
{
if (LocalProcess != null)
{
bHasExited = LocalProcess.HasExited;
if (bHasExited)
{
lock (OutputSyncObject)
{
Logger?.CloseStream();
}
ExitCode = LocalProcess.ExitCode;
}
}
}
return bHasExited;
}
}
public Process ProcessObject
{
get { return LocalProcess; }
}
public void DisposeProcess()
{
if (LocalProcess != null)
{
LocalProcess.Dispose();
LocalProcess = null;
}
}
~LongProcessResult()
{
DisposeProcess();
Logger?.CloseStream();
}
public string GetProcessName()
{
if (LocalProcess != null)
{
return LocalProcess.ProcessName;
}
return AppName;
}
public void StopProcess(bool KillDescendants = true)
{
if (LocalProcess != null && !HasExited)
{
Process ProcToKill = null;
lock (ProcSyncObject)
{
ProcToKill = LocalProcess;
LocalProcess = null;
}
string ProcessName = ProcToKill.ProcessName;
try
{
ProcToKill.Kill(KillDescendants);
ProcToKill.WaitForExit(60000);
if (!ProcToKill.HasExited)
{
Log.Verbose("Process {ProcessName} failed to exit.", ProcessName);
}
else
{
ExitCode = ProcToKill.ExitCode;
Log.Verbose("Process {ProcessName} successfully exited.", ProcessName);
OnProcessExited();
}
ProcToKill.Close();
}
catch (Exception Ex)
{
Log.Warning("Exception while trying to kill process {ProcessName}:\n{Exception}", ProcessName, LogUtils.FormatException(Ex));
}
}
}
private void Kill(bool KillDescendants = true)
{
if (LocalProcess != null && !HasExited)
{
Process ProcToKill = null;
lock (ProcSyncObject)
{
ProcToKill = LocalProcess;
LocalProcess = null;
}
ProcToKill.Kill(KillDescendants);
}
}
private void ProcessExit(object sender, EventArgs e)
{
Kill();
}
public void OnProcessExited()
{
AppDomain Domain = AppDomain.CurrentDomain;
Domain.ProcessExit -= ProcessExit;
Domain.DomainUnload -= ProcessExit;
}
private void RegisterProcessExit()
{
AppDomain Domain = AppDomain.CurrentDomain;
Domain.ProcessExit += ProcessExit;
Domain.DomainUnload += ProcessExit;
}
public void WaitForExit()
{
if ((LocalProcess != null) && !LocalProcess.HasExited)
{
Process Proc = null;
lock (ProcSyncObject)
{
Proc = LocalProcess;
}
Proc.WaitForExit();
ExitCode = Proc.ExitCode;
lock (ProcSyncObject)
{
LocalProcess = null;
}
}
// Wait for outputs closure
int WaitTimeout = 10000;
if (!(StdOutCloseHandle.WaitOne(WaitTimeout) && StdErrCloseHandle.WaitOne(WaitTimeout)))
{
Log.Info("Outputs did not close in time after process {ProcessName} exited.", LocalProcess.ProcessName);
}
lock (OutputSyncObject)
{
Logger?.CloseStream();
}
}
}
}