ScriptCSSession( IScriptEngine engine, ScriptPackSession scriptPackSession, CurrentCmdletScriptPack currentCmdletScriptPack, CurrentLogger logger)
{
_engine = engine;
_scriptPackSession = scriptPackSession;
_currentCmdletScriptPack = currentCmdletScriptPack;
_logger = logger;
}
private static string GenerateMessageAccordingToType(object logObject, string callerInfo)
{
string resultLogString = string.Empty;
try
{
//Doing fake bug fix
if (logObject is ILoggable)
{
resultLogString = ((ILoggable)logObject).ToLogString();
}
else
{
resultLogString = logObject.ToString();
}
}
//these catches indicate an error in the our logger code or in the calling parameters
//so these should be rethrown to protect the caller from silent failure
catch (Exception ex)
{
CurrentLogger.Error(ex, string.Format("{0}:Error inside custom logger at GenerateMessageAccordingToType while called from {1}", LOCAL_MODULE_NAME, callerInfo));
throw;
}
return(resultLogString);
}
public void CreateOrUpdateDatabase()
{
using (var connection = new MySqlConnection($"Server={_serverAddress};{_authenticationString}"))
{
connection.Open();
var exists = connection.Query($"SHOW DATABASES LIKE '{_databaseNamePattern}'").Any();
if (exists)
{
CurrentLogger.Log($"Using MySQL database {_databaseNamePattern}");
}
else
{
CurrentLogger.Log($"Creating new MySQL database {_databaseNamePattern}");
CreateDatabase(connection);
CreateTables(connection);
}
using (var t = connection.BeginTransaction())
{
connection.Execute($"USE {_databaseNamePattern}");
Migrate(connection).Wait();
t.Commit();
}
}
}
/// <summary>
/// Выполянть функции из аргументов, пока не встретиться функция не кидающая исключения, возвращающая подходящщее
/// предикату IsSuitValue значение или функции не закончатся.
/// Если IsSuitValue == null, то предикат подтверждает любые значения не равные default(T) (например null).
/// Исключения всех функций записываются в лог с warning левел. Исключение из последней доступной функции летит ниже.
/// Если не нашли ни одну функцию удовлетворяющую предикату, то летит исключение по нехватки функций
/// </summary>
public static T TryWhileNotPredicate <T>(string operation, Predicate <T> IsSuitValue, params Func <T>[] funcs)
{
var _ = funcs ?? throw new ArgumentNullException(nameof(funcs));
IsSuitValue = IsSuitValue ?? new Predicate <T> (result => !Object.Equals(result, default(T)));
var remainFuncAmount = funcs.Count();
foreach (var func in funcs)
{
try
{
--remainFuncAmount;
var __ = func ?? throw new NullReferenceException(nameof(func));
var result = func();
if (IsSuitValue(result))
{
return(result);
}
}
catch (Exception ex)
{
var opName = $"{nameof(TryChain)} with function number {funcs.Count() - remainFuncAmount} for operation " + operation;
if (remainFuncAmount <= 0)
{
CurrentLogger.LogEx(opName, ex);
throw ex;
}
CurrentLogger.WriteLog(opName + ": " + CurrentLogger.ExtractExceptionMessage(ex), System.Diagnostics.TraceEventType.Warning);
}
}
throw new Exception($"{nameof(funcs)} for {nameof(TryChain)} list is exceeded");
}
ScriptCSSession(IScriptEngine engine, ScriptPackSession scriptPackSession, CurrentCmdletScriptPack currentCmdletScriptPack, CurrentLogger logger)
{
_engine = engine;
_scriptPackSession = scriptPackSession;
_currentCmdletScriptPack = currentCmdletScriptPack;
_logger = logger;
}
/// <summary>
/// Выполянть функции из аргументов, пока не встретиться функция не кидающая исключения или функции не закончатся.
/// Исключения всех функций записываются в лог с warning левел. Исключение из последней доступной функции летит ниже.
/// </summary>
public static T Try <T>(string operation, IEnumerable <Func <T> > funcs)
{
var _ = funcs ?? throw new ArgumentNullException(nameof(funcs));
Exception lastIterationException = null;
int iteration = 0;
foreach (var func in funcs)
{
try
{
lastIterationException = null;
++iteration;
var __ = func ?? throw new NullReferenceException(nameof(func));
return(func());
}
catch (Exception ex)
{
var opName = $"{nameof(TryChain)} for operation " + operation + " on iteration " + iteration;
lastIterationException = ex;
CurrentLogger.WriteLog(opName + ": " + CurrentLogger.ExtractExceptionMessage(ex), System.Diagnostics.TraceEventType.Warning);
}
}
if (!(lastIterationException is null))
{
var opName = $"{nameof(TryChain)} for operation " + operation + " on iteration " + iteration;
CurrentLogger.LogEx(opName, lastIterationException);
throw lastIterationException;
}
throw new ArgumentException($"{nameof(funcs)} for {nameof(TryChain)} with empty list");
}
public void Start()
{
using (CurrentLogger.ScopedTrace($"{GetType()}.{MethodBase.GetCurrentMethod()}"))
{
lock (SyncRoot)
{
if (_disposed)
{
throw new ObjectDisposedException(nameof(LongRunningTask));
}
var task = _workerTask;
if (task != null)
{
return;
}
_cancelSource?.Dispose();
_cancelSource = new CancellationTokenSource();
var cancelToken = _cancelSource.Token;
CancelToken = cancelToken;
Scheduling.TaskName = GetType().ToString();
Scheduling.ProcessBody = (token) => Process(token);
task = new Task(() => Scheduling.SchedulingRun(cancelToken), cancelToken, TaskCreationOptions.LongRunning);
task.Start();
_workerTask = task;
}
}
}
/// <summary>
/// Выполянть функции из аргументов, пока не встретиться функция не кидающая исключения или функции не закончатся.
/// Исключения всех функций записываются в лог с warning левел. Исключение из последней доступной функции летит ниже.
/// </summary>
public static T Try <T>(string operation, params Func <T>[] funcs)
{
var _ = funcs ?? throw new ArgumentNullException(nameof(funcs));
var remainFuncAmount = funcs.Count();
foreach (var func in funcs)
{
try
{
--remainFuncAmount;
var __ = func ?? throw new NullReferenceException(nameof(func));
return(func());
}
catch (Exception ex)
{
var opName = $"{nameof(TryChain)} with function number {funcs.Count() - remainFuncAmount} for operation " + operation;
if (remainFuncAmount <= 0)
{
CurrentLogger.LogEx(opName, ex);
throw ex;
}
CurrentLogger.WriteLog(opName + ": " + CurrentLogger.ExtractExceptionMessage(ex), System.Diagnostics.TraceEventType.Warning);
}
}
throw new ArgumentException($"{nameof(funcs)} for {nameof(TryChain)} with empty list");
}
private void RunNext(Guid guid, string jsonData)
{
_internalCollection.Add(new BlockItem {
SessionId = guid, Data = jsonData
});
CurrentLogger.LogInformation("Hub incoming message - {0}.", guid);
}
protected void Cancel()
{
using (CurrentLogger.ScopedTrace($"{GetType()}.{MethodBase.GetCurrentMethod()}"))
{
_cancelSource.Cancel();
}
}
/// <summary>
/// log using warn log level
/// </summary>
/// <param name="ex"> the exception to be logged</param>
/// <param name="logParaemtersArr">array of objects to log their values for custom message user must override toSting() method</param>
/// <param name="messageFormat">format of the message to be logged</param>
/// <param name="messageParameters">the parameters to fill the message placeholders</param>
public static void LogWarn(string messageFormat, object[] messageParameters = null
, Exception ex = null, object[] logObjectsArr = null
, [CallerMemberName] string callerInfo = "")
{
string finalMessage = CreateLogMessage(logObjectsArr, messageFormat, callerInfo, messageParameters);
CurrentLogger.Warn(ex, finalMessage);
}
private async Task Closed(Exception arg)
{
if (Connection == null)
{
CurrentLogger.LogInformation("Hub connection state is empty! Not initialised. Please check if the URL is correct.");
}
else
{
CurrentLogger.LogInformation("Hub connection state - Closed - {0}", Connection.State);
}
await Task.Delay(5000);
}
private Task Reconnected(string arg)
{
if (Connection == null)
{
CurrentLogger.LogInformation("Hub connection state is empty! Not initialised. Please check if the URL is correct.");
}
else
{
CurrentLogger.LogInformation("Hub connection state - Reconnected - {0}", Connection.State);
}
return(Task.CompletedTask);
}
public static bool IsThrowAnyException(Action checkedAction, string operation = null)
{
try
{
checkedAction();
return(false);
}
catch (Exception ex)
{
CurrentLogger.Trace($"Operation {operation} with error {ex.Message}");
}
return(true);
}
public void StopNoThrow()
{
using (CurrentLogger.ScopedTrace($"{GetType()}.{MethodBase.GetCurrentMethod()}"))
{
lock (SyncRoot)
{
if (_disposed)
{
return;
}
ExceptionHelper.ExceptionCatcher(InternalStop, where : nameof(LongRunningTask) + ":" + GetType() + "." + nameof(StopNoThrow));
}
}
}
public void Stop()
{
using (CurrentLogger.ScopedTrace($"{GetType()}.{MethodBase.GetCurrentMethod()}"))
{
lock (SyncRoot)
{
if (_disposed)
{
throw new ObjectDisposedException(nameof(LongRunningTask));
}
InternalStop();
}
}
}
public void Dispose()
{
FileFetcher.CancelDownload();
lock (machLock)
{
PauseAll();
Array.ForEach(machs.Rights, x => x.Dispose());
machs.Clear();
MasterTimeSource.Dispose();
ExternalsManager.Clear();
HostMachine.Dispose();
CurrentLogger.Dispose();
BackendManager.Dispose();
}
}
public virtual void Dispose()
{
using (CurrentLogger.ScopedTrace($"{GetType()}.{MethodBase.GetCurrentMethod()}"))
{
lock (SyncRoot)
{
if (_disposed)
{
return;
}
_disposed = true;
ExceptionHelper.ExceptionCatcher(InternalStop, where : nameof(LongRunningTask) + ":" + GetType() + "." + nameof(Dispose));
_cancelSource?.Dispose();
}
}
}
public void Dispose()
{
FileFetcher.CancelDownload();
lock (machLock)
{
var toDispose = machs.Rights.ToArray();
//Although a single machine does not have to be paused before its disposal,
//disposing multiple entities has to ensure that all are stopped.
ExternalsManager.Pause();
Array.ForEach(toDispose, x => x.Pause());
Array.ForEach(toDispose, x => x.Dispose());
machs.Clear();
ExternalsManager.Clear();
HostMachine.Dispose();
CurrentLogger.Dispose();
BackendManager.Dispose();
}
}
private void InternalStop()
{
using (CurrentLogger.ScopedTrace($"{GetType()}.{MethodBase.GetCurrentMethod()}"))
{
var task = _workerTask;
if (task == null)
{
return;
}
_workerTask = null;
_cancelSource.Cancel();
using (new RAII(task.Dispose))
{
CurrentLogger.Trace($"Начинаем ожидание окончания задачи {GetType().Name}");
task.Wait(_stopTimeout);
}
}
}
static public ScriptCSSession Create(Cmdlet cmdlet)
{
ScriptCSSession session = null;
var logger = new CurrentLogger();
using (logger.CreateActiveLoggerSession(new CmdletLogger(cmdlet)))
{
IScriptHostFactory factory = new ScriptHostFactory();
var engine = new RoslynScriptEngine(factory, logger);
engine.BaseDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var currentCmdletScriptPack = new CurrentCmdletScriptPack();
var scriptPackSession = new ScriptPackSession(new IScriptPack[] { currentCmdletScriptPack });
scriptPackSession.InitializePacks();
session = new ScriptCSSession(engine, scriptPackSession, currentCmdletScriptPack, logger);
}
return(session);
}
public static ScriptCSSession Create(Cmdlet cmdlet)
{
ScriptCSSession session = null;
var logger = new CurrentLogger();
using (logger.CreateActiveLoggerSession(new CmdletLogger(cmdlet)))
{
IScriptHostFactory factory = new ScriptHostFactory();
var engine = new RoslynScriptEngine(factory, logger);
engine.BaseDirectory = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
var currentCmdletScriptPack = new CurrentCmdletScriptPack();
var scriptPackSession = new ScriptPackSession(new IScriptPack[] { currentCmdletScriptPack });
scriptPackSession.InitializePacks();
session = new ScriptCSSession( engine, scriptPackSession, currentCmdletScriptPack, logger );
}
return session;
}
public void StartService()
{
while (true)
{
try
{
Execute();
}
catch (Exception ex)
{
if (CurrentLogger != null)
{
CurrentLogger.LogError(ex, ex.Message);
}
else
{
Logger.Log(ex, false);
}
}
Thread.Sleep(SleepTime);
}
}
public void WaitForStopNoThrow(TimeSpan?stopTimeout = null)
{
using (CurrentLogger.ScopedTrace($"{GetType()}.{MethodBase.GetCurrentMethod()}"))
{
lock (SyncRoot)
{
if (_disposed)
{
return;
}
ExceptionHelper.ExceptionCatcher(() =>
{
var task = _workerTask;
if (task == null)
{
return;
}
CurrentLogger.Trace($"Начинаем ожидание окончания задачи {GetType().Name} без её завершения ");
task.Wait(stopTimeout ?? TimeSpanConstants.Infinite);
}, where : nameof(LongRunningTask) + ":" + GetType() + "." + nameof(StopNoThrow));
}
}
}
private void SendMailList(List <Mail> mailList)
{
foreach (Mail mail in mailList)
{
try
{
mail.Send();
Thread.Sleep(1000);
}
catch (Exception ex)
{
mail.SetError();
if (CurrentLogger != null)
{
CurrentLogger.LogError(ex, ex.Message);
}
else
{
Logger.Log(ex, false);
}
}
}
}
/// <summary>
/// 记录错误信息
/// </summary>
/// <param name="msg"></param>
public static void Error(string msg)
{
CurrentLogger.Error(msg);
}
public static void Warn(string msg)
{
CurrentLogger.Warn(msg);
}
public static void Info(string msg)
{
CurrentLogger.Info(msg);
}
/// <summary>
/// 记录调试信息
/// </summary>
/// <param name="msg"></param>
public static void Debug(string msg)
{
CurrentLogger.Debug(msg);
}
static void Init()
{
lock (initializationLocker)
{
if (_currentLogger == null)
{
if (string.IsNullOrEmpty(AbsoluteConfigurationFilePath))
{
throw new LoggerExcetion(string.Format("{0}:Configuration file name is not set in application configuration", LOCAL_MODULE_NAME),
LoggerFailureType.ConfigFailure);
}
if (!File.Exists(AbsoluteConfigurationFilePath))
{
throw new LoggerExcetion(string.Format("{0}:Configuration file named {1} does not exist", LOCAL_MODULE_NAME, AbsoluteConfigurationFilePath),
LoggerFailureType.ConfigFailure);
}
try
{
LogManager.ThrowConfigExceptions = true;
LogManager.Configuration = new NLog.Config.XmlLoggingConfiguration(AbsoluteConfigurationFilePath, false);
_currentLogger = LogManager.GetCurrentClassLogger();
string rootpath = LogManager.Configuration.Variables[ROOTPATH_VAR_NAME] == null ? null : LogManager.Configuration.Variables[ROOTPATH_VAR_NAME].Text;
if (string.IsNullOrEmpty(rootpath))
{
throw new LoggerExcetion(string.Format("{0}:Root Directory path variable is null or empty", LOCAL_MODULE_NAME),
LoggerFailureType.ConfigFailure);
}
if (!Directory.Exists(rootpath))
{
try
{
Directory.CreateDirectory(rootpath);
}
catch (Exception ex)
{
throw new LoggerExcetion(string.Format("{0}:Failed to create root logging folder with path {1}", LOCAL_MODULE_NAME, rootpath), ex,
LoggerFailureType.ConfigFailure);
}
}
}
catch (Exception ex)
{
throw new LoggerExcetion(string.Format("{0}:failed to initialize log configuration from file {1}", LOCAL_MODULE_NAME, AbsoluteConfigurationFilePath), ex,
LoggerFailureType.ConfigFailure);
}
try
{
CurrentLogger.Info("Logging Started");
}
catch (Exception ex)
{
throw new LoggerExcetion(string.Format("{0}:failed to write initializarion log message", LOCAL_MODULE_NAME), ex,
LoggerFailureType.WriteFailure);
}
}
}
}
public static void Fatal(string msg)
{
CurrentLogger.Fatal(msg);
}
/// <summary>
/// builds the message string according to message format and parameters and the logParamwers objects
/// </summary>
/// <param name="logObjectsArr">array of objects to log their values for custom message user must override toSting() method</param>
/// <param name="messageFormat">format of the message to be logged</param>
/// <param name="messageParameters"> the parameters to fill the message placeholders</param>
/// <returns>returns the complete message to be logged</returns>
private static string CreateLogMessage(object[] logObjectsArr, string messageFormat, string callerInfo, object[] messageParameters)
{
string finalMessage = string.Empty;
//Test Shelv
#region create formatted message
try
{
if (messageFormat != null)
{
#region generate parameters string list
string[] textParametersList = new string[messageParameters.Length];
if (messageParameters != null && messageParameters.Length > 0)
{
textParametersList = new string[messageParameters.Length];
for (int i = 0; i < messageParameters.Length; i++)
{
if (messageParameters[i] != null)
{
textParametersList[i] = GenerateMessageAccordingToType(messageParameters[i], callerInfo);
}
else
{
textParametersList[i] = "";
CurrentLogger.Warn(string.Format("{0}:Null is invalid parameter for the formatted string at parameter index {1} while called from {2}", LOCAL_MODULE_NAME, i, callerInfo));
}
}
}
#endregion
finalMessage = string.Format(callerInfo + ":" + messageFormat, textParametersList.ToArray <object>());
}
else
{
#region log warnings
if (messageFormat == null)
{
CurrentLogger.Warn(string.Format("{0}:Message format is null while called from {1}", LOCAL_MODULE_NAME, callerInfo));
}
if (messageParameters == null)
{
CurrentLogger.Warn(string.Format("{0}:Message parameters is null while called from {1}", LOCAL_MODULE_NAME, callerInfo));
}
if (messageParameters.Count() == 0)
{
CurrentLogger.Warn(string.Format("{0}:Message parameters count is 0 while called from {1}", LOCAL_MODULE_NAME, callerInfo));
}
#endregion
}
#region create logs for passed separate array of objects
if (logObjectsArr != null)
{
foreach (object currentParameterObject in logObjectsArr)
{
if (currentParameterObject != null)
{
finalMessage += "\n logged parameter " + GenerateMessageAccordingToType(currentParameterObject, callerInfo);
}
}
}
#endregion
}
//these catches indicate an error in the our logger code or in the calling parameters
//so these should be rethrown to protect the caller from silent failure
catch (FormatException ex)
{
CurrentLogger.Error(ex, string.Format("{0}:Error because of string.Format while called from {1}", LOCAL_MODULE_NAME, callerInfo));
throw;
}
catch (Exception ex)
{
CurrentLogger.Error(ex, string.Format("{0}:Error inside custom logger while called from {1}", LOCAL_MODULE_NAME, callerInfo));
throw;
}
#endregion
return(finalMessage);
}