static TaskMatch MatchTasks(CronTask task)
{
//enum TaskMatch { Unset=0x00,Minute = 0x01, Hour = 0x02, DayOfMonth = 0x04, Month = 0x08, DayOfWeek = 0x16 ,Complete = 0x31};
TaskMatch ret = TaskMatch.Unset;
DateTime dt = DateTime.Now; // new DateTime(2011, 4, 26, 10, 17, 0);// DateTime.Today;
//Console.WriteLine("Diff: " + ((TimeSpan)(dt - task.LastRun)).TotalSeconds.ToString());
if ((dt - task.LastRun).TotalSeconds < 60)
{
return(ret);
}
ParseMatch(task.Minute, dt.Minute, ref ret, TaskMatch.Minute);
ParseMatch(task.Hour, dt.Hour, ref ret, TaskMatch.Hour);
ParseMatch(task.DayOfMonth, dt.Day, ref ret, TaskMatch.DayOfMonth);
ParseMatch(task.Month, dt.Month, ref ret, TaskMatch.Month);
ParseMatch(task.DayOfWeek, (int)dt.DayOfWeek, ref ret, TaskMatch.DayOfWeek);
return(ret);
}
public bool Load()
{
Tasks.Clear();
if (!File.Exists)
{
return(false);
}
using (StreamReader sr = File.OpenText())
{
int uid = 1;
int lineCount = 1;
while (!sr.EndOfStream)
{
//Strip line of inline white space
String line = RemoveDuplicateWhiteSpace(sr.ReadLine().Trim());
//Match crontab format
Regex rgx = new Regex(@"\A(?:(?:[0-9*]+|,[0-9]+)+\s+){5}[a-zA-Z0-9\.]+\s+.+", RegexOptions.Singleline);
Match m = rgx.Match(line);
if (m.Success)
{
try
{
String[] tokens = line.Split(' ');
CronTask task = new CronTask {
Minute = tokens[0].Trim(), Hour = tokens[1].Trim(), DayOfMonth = tokens[2].Trim(), Month = tokens[3].Trim(), DayOfWeek = tokens[4].Trim(), User = tokens[5].Trim()
};
StringBuilder command = new StringBuilder();
for (int i = 6; i < tokens.Length; i++)
{
command.Append(tokens[i].Trim() + ' ');
}
task.Command = command.ToString();
task.UniqueID = uid++;
task.LastRun = new DateTime(2010, 1, 1); //arbitrary date set to some time at least 1 day in time. Allows first execution of a task that might be in the middle of a CronCore cycle
Tasks.Add(task);
}
catch (Exception ex)
{
Console.WriteLine("Warning, poorly formed crontab line[" + lineCount.ToString() + "]: " + line);
}
}
else
{
if (line.Length > 0)
{
if (line[0] != '#')
{
Console.WriteLine("Warning, poorly formed crontab line[" + lineCount.ToString() + "]: " + line);
}
}
}
lineCount++;
}
}
//Last modified time is the last time this file was written to
LastModified = File.LastWriteTime;
return(true);
}