Mercurial > servermonitor
annotate ServerMonitor/Objects/Schedule.cs @ 0:3e1a2131f897
Initial commit. Ping check, scheduling, UI working. SSH check mostly working.
author | Brad Greco <brad@bgreco.net> |
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date | Mon, 31 Dec 2018 18:32:14 -0500 |
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children | 3142e52cbe69 |
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1 using System; |
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2 |
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3 namespace ServerMonitorApp |
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4 { |
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5 public class Schedule |
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6 { |
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7 public Schedule() { } |
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8 |
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9 public Schedule(FrequencyUnits units, int frequency, TimeSpan startTime, TimeSpan endTime) |
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10 { |
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11 Units = units; |
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12 Frequency = frequency; |
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13 StartTime = startTime; |
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14 EndTime = endTime; |
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15 } |
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16 |
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17 public int Frequency { get; set; } |
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18 |
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19 public FrequencyUnits Units { get; set; } |
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20 |
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21 public TimeSpan StartTime { get; set; } |
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22 |
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23 public TimeSpan EndTime { get; set; } |
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24 |
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25 public DateTime GetNextTime(DateTime lastScheduledTime) |
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26 { |
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27 return GetNextTime(lastScheduledTime, DateTime.Now); |
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28 } |
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29 |
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30 public DateTime GetNextTime(DateTime lastScheduledTime, DateTime minStartTime) |
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31 { |
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32 DateTime nextTime = lastScheduledTime; |
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33 if (Units == FrequencyUnits.Day) |
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34 { |
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35 //TODO what if nextTime is null or really long ago? |
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36 while (nextTime < minStartTime) |
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37 nextTime = nextTime.AddDays(Frequency).Date.Add(StartTime); |
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38 } |
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39 else |
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40 { |
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41 // If the last run time was more than a day ago, fast-forward to reduce the number of loops |
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42 if (nextTime < minStartTime.AddHours(-24)) |
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43 nextTime = minStartTime.Date.Add(StartTime).AddHours(-24); |
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44 //TODO handle start time and end time |
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45 while (nextTime < minStartTime) |
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46 { |
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47 switch (Units) |
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48 { |
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49 case FrequencyUnits.Second: nextTime = nextTime.AddSeconds(Frequency); break; |
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50 case FrequencyUnits.Minute: nextTime = nextTime.AddMinutes(Frequency); break; |
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51 case FrequencyUnits.Hour: nextTime = nextTime.AddHours(Frequency); break; |
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52 default: throw new InvalidOperationException("Unexpected frequency units: " + Units); |
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53 } |
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54 } |
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55 if (StartTime < EndTime) |
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56 { |
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57 if (nextTime.TimeOfDay < StartTime) |
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58 nextTime = nextTime.Date + StartTime; |
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59 else if (nextTime.TimeOfDay > EndTime) |
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60 nextTime = nextTime.Date.AddDays(1) + StartTime; |
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61 } |
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62 else if (nextTime.TimeOfDay > EndTime && nextTime.TimeOfDay < StartTime) |
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63 { |
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64 nextTime = nextTime.Date + StartTime; |
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65 } |
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66 } |
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67 return nextTime; |
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68 } |
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69 } |
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70 |
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71 public enum FrequencyUnits { Second, Minute, Hour, Day } |
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72 } |