/// <summary>
/// Setup application inspector logging; 1 file per process
/// </summary>
/// <param name="opts"></param>
/// <returns></returns>
public static Logger SetupLogging(CommandOptions opts, bool onErrorConsole = false)
{
//prevent being called again if already set unless closed first
if (Logger != null)
{
return(Logger);
}
LoggingConfiguration config = LogManager.Configuration;
if (config == null)//fix #179 to prevent overwrite of caller config...i.e. just add ours
{
config = new LoggingConfiguration();
}
if (String.IsNullOrEmpty(opts.LogFilePath))
{
opts.LogFilePath = Utils.GetPath(Utils.AppPath.defaultLog);
}
//clean up previous for convenience in reading
if (File.Exists(opts.LogFilePath))
{
// Read the file and display it line by line.
System.IO.StreamReader file = new System.IO.StreamReader(opts.LogFilePath);
String line = file.ReadLine();
file.Close();
if (!String.IsNullOrEmpty(line))
{
if (line.Contains("AppInsLog"))//prevent file other than our logs from deletion
{
File.Delete(opts.LogFilePath);
}
else
{
if (Utils.CLIExecutionContext && onErrorConsole)
{
WriteOnce.Error(MsgHelp.FormatString(MsgHelp.ID.CMD_INVALID_LOG_PATH, opts.LogFilePath), true, WriteOnce.ConsoleVerbosity.Low, false);
}
throw new OpException(MsgHelp.FormatString(MsgHelp.ID.CMD_INVALID_LOG_PATH, opts.LogFilePath));
}
}
}
else
{
try
{
File.WriteAllText(opts.LogFilePath, "");//verify log file path is writable
}
catch (Exception e)
{
WriteOnce.SafeLog(e.Message + "\n" + e.StackTrace, NLog.LogLevel.Error);
if (Utils.CLIExecutionContext && onErrorConsole)
{
WriteOnce.Error(MsgHelp.FormatString(MsgHelp.ID.CMD_INVALID_FILE_OR_DIR, opts.LogFilePath), true, WriteOnce.ConsoleVerbosity.Low, false);
}
throw new OpException((MsgHelp.FormatString(MsgHelp.ID.CMD_INVALID_FILE_OR_DIR, opts.LogFilePath)));
}
}
LogLevel log_level = LogLevel.Error;//default
if (String.IsNullOrEmpty(opts.LogFileLevel))
{
opts.LogFileLevel = "Error";
}
try
{
log_level = LogLevel.FromString(opts.LogFileLevel);
}
catch (Exception)
{
if (Utils.CLIExecutionContext && onErrorConsole)
{
WriteOnce.Error(MsgHelp.FormatString(MsgHelp.ID.CMD_INVALID_ARG_VALUE, "-v"), true, WriteOnce.ConsoleVerbosity.Low, false);
}
throw new OpException((MsgHelp.FormatString(MsgHelp.ID.CMD_INVALID_ARG_VALUE, "-v")));
}
using (var fileTarget = new FileTarget()
{
Name = "LogFile",
FileName = opts.LogFilePath,
Layout = @"${date:format=yyyy-MM-dd HH\:mm\:ss} ${threadid} ${level:uppercase=true} - AppInsLog - ${message}",
ForceMutexConcurrentWrites = true
})
{
config.AddTarget(fileTarget);
config.LoggingRules.Add(new LoggingRule("Microsoft.CST.ApplicationInspector", log_level, fileTarget));
}
LogFilePath = opts.LogFilePath;//preserve for console path msg
LogManager.Configuration = config;
Logger = LogManager.GetLogger("Microsoft.CST.ApplicationInspector");
return(Logger);
}
/// <summary>
/// For use when logging is needed and was not called via CLI
/// </summary>
/// <returns></returns>
public static Logger SetupLogging()
{
CommandOptions opts = new CommandOptions();//defaults used
return(SetupLogging(opts));
}