Mercurial > servermonitor
annotate ServerMonitor/Objects/Checks/FileCheck.cs @ 16:7626b099aefd
More comments.
| author | Brad Greco <brad@bgreco.net> |
|---|---|
| date | Tue, 30 Apr 2019 20:40:58 -0400 |
| parents | a36cc5c123f4 |
| children | 68d7834dc28e |
| rev | line source |
|---|---|
| 3 | 1 using System; |
| 2 using System.Collections.Generic; | |
| 3 using System.ComponentModel; | |
| 4 using System.Linq; | |
| 5 using System.Text; | |
| 6 using System.Text.RegularExpressions; | |
| 7 using System.Threading.Tasks; | |
|
13
a36cc5c123f4
Fix SSH command sublclasses holding on to old command strings after a program update.
Brad Greco <brad@bgreco.net>
parents:
9
diff
changeset
|
8 using System.Xml.Serialization; |
| 3 | 9 |
| 10 namespace ServerMonitorApp | |
| 11 { | |
| 12 [DisplayName("File check"), Description("Check file size or modified time"), DisplayWeight(12)] | |
| 13 public class FileCheck : SshCheck | |
| 14 { | |
|
13
a36cc5c123f4
Fix SSH command sublclasses holding on to old command strings after a program update.
Brad Greco <brad@bgreco.net>
parents:
9
diff
changeset
|
15 public override string Command => string.Format(FileCommand, Regex.Replace(File, "^~", "$HOME")); |
|
a36cc5c123f4
Fix SSH command sublclasses holding on to old command strings after a program update.
Brad Greco <brad@bgreco.net>
parents:
9
diff
changeset
|
16 |
|
a36cc5c123f4
Fix SSH command sublclasses holding on to old command strings after a program update.
Brad Greco <brad@bgreco.net>
parents:
9
diff
changeset
|
17 protected string FileCommand |
|
a36cc5c123f4
Fix SSH command sublclasses holding on to old command strings after a program update.
Brad Greco <brad@bgreco.net>
parents:
9
diff
changeset
|
18 { |
|
a36cc5c123f4
Fix SSH command sublclasses holding on to old command strings after a program update.
Brad Greco <brad@bgreco.net>
parents:
9
diff
changeset
|
19 get |
|
a36cc5c123f4
Fix SSH command sublclasses holding on to old command strings after a program update.
Brad Greco <brad@bgreco.net>
parents:
9
diff
changeset
|
20 { |
|
a36cc5c123f4
Fix SSH command sublclasses holding on to old command strings after a program update.
Brad Greco <brad@bgreco.net>
parents:
9
diff
changeset
|
21 int timeZoneOffset = TimeZoneInfo.Local.GetUtcOffset(DateTime.Now).Hours * -1; // Invert because POSIX says so. |
|
a36cc5c123f4
Fix SSH command sublclasses holding on to old command strings after a program update.
Brad Greco <brad@bgreco.net>
parents:
9
diff
changeset
|
22 return "export TIME_STYLE=long-iso; export TZ=UTC" + timeZoneOffset + "; ls -l \"{0}\""; |
|
a36cc5c123f4
Fix SSH command sublclasses holding on to old command strings after a program update.
Brad Greco <brad@bgreco.net>
parents:
9
diff
changeset
|
23 } |
|
a36cc5c123f4
Fix SSH command sublclasses holding on to old command strings after a program update.
Brad Greco <brad@bgreco.net>
parents:
9
diff
changeset
|
24 } |
| 3 | 25 |
| 26 public string File { get; set; } | |
| 27 | |
| 28 public bool CheckFileSize { get; set; } | |
| 29 | |
| 30 public bool FileSizeLessThan { get; set; } | |
| 31 | |
| 4 | 32 public int FileSize { get; set; } |
| 3 | 33 |
| 34 public double FileSizeInSelectedUnits | |
| 35 { | |
| 4 | 36 get => Math.Round(ConvertBytesToSelectedUnits(FileSize), 1); |
| 37 set => FileSize = ConvertSelectedUnitsToBytes(value); | |
| 3 | 38 } |
| 39 | |
| 40 public SizeUnits FileSizeUnits { get; set; } | |
| 41 | |
| 42 public bool CheckDateModified { get; set; } | |
| 43 | |
| 44 public bool DateModifiedOlderThan { get; set; } | |
| 45 | |
| 46 public double DateModified { get; set; } | |
| 47 | |
| 48 public TimeUnits DateModifiedUnits { get; set; } | |
| 49 | |
| 50 public FileCheck() | |
| 51 { | |
| 52 CheckExitCode = true; | |
| 53 ExitCode = 0; | |
| 54 } | |
| 55 | |
| 56 protected override List<CheckResult> ProcessCommandResult(string output, int exitCode) | |
| 57 { | |
| 58 List<CheckResult> results = base.ProcessCommandResult(output, exitCode); | |
| 4 | 59 if (results.Any(r => r.Failed)) |
| 3 | 60 return results; |
| 61 | |
| 62 if (output.Split('\n').Length > 1) | |
| 63 { | |
| 64 results.Add(Fail("ls output was more than one line: " + output)); | |
| 65 } | |
| 66 else | |
| 67 { | |
| 68 string[] tokens = output.Split(new char[0], StringSplitOptions.RemoveEmptyEntries); | |
| 69 if (CheckFileSize) | |
| 70 { | |
| 71 if (int.TryParse(tokens[4], out int bytes)) | |
| 72 { | |
| 4 | 73 string message = string.Format("File size is {0} {1}", Math.Round(ConvertBytesToSelectedUnits(bytes), 1), FileSizeUnits); |
| 3 | 74 if ((bytes < FileSize && FileSizeLessThan) || (bytes > FileSize && !FileSizeLessThan)) |
| 75 results.Add(Pass(message)); | |
| 76 else | |
| 77 results.Add(Fail(message)); | |
| 78 } | |
| 79 else | |
| 80 { | |
| 81 results.Add(Fail("Unable to parse ls output as integer: " + tokens[4])); | |
| 82 } | |
| 83 } | |
| 84 if (CheckDateModified) | |
| 85 { | |
| 86 string dateString = tokens[5] + " " + tokens[6]; | |
| 87 if (DateTime.TryParse(dateString, out DateTime modified)) | |
| 88 { | |
| 89 string message = string.Format("Last modified date is {0}", modified); | |
| 90 TimeSpan age = DateTime.Now.Subtract(modified); | |
| 91 double ageCompare = DateModifiedUnits == TimeUnits.Minute ? age.TotalMinutes : | |
| 92 DateModifiedUnits == TimeUnits.Hour ? age.TotalHours : | |
| 93 age.TotalDays; | |
| 94 if ((ageCompare > DateModified && DateModifiedOlderThan) || (ageCompare < DateModified && !DateModifiedOlderThan)) | |
| 95 results.Add(Pass(message)); | |
| 96 else | |
| 97 results.Add(Fail(message)); | |
| 98 } | |
| 99 else | |
| 100 { | |
| 101 results.Add(Fail("Unable to parse ls output as date: " + dateString)); | |
| 102 } | |
| 103 } | |
| 104 } | |
| 105 return results; | |
| 106 } | |
| 107 | |
| 108 public override string Validate(bool saving = true) | |
| 109 { | |
| 110 string message = base.Validate(); | |
| 111 if (File.IsNullOrEmpty()) | |
| 112 message += "File is required." + Environment.NewLine; | |
| 113 if (!CheckFileSize && !CheckDateModified) | |
| 114 message += "At least one check must be enabled." + Environment.NewLine; | |
| 9 | 115 if (CheckFileSize && FileSize < 0) |
| 116 message += "File size must be at least 0." + Environment.NewLine; | |
| 3 | 117 if (CheckDateModified && DateModified <= 0) |
| 118 message += "Date modified must be greater than 0." + Environment.NewLine; | |
| 119 return message; | |
| 120 } | |
| 4 | 121 |
| 122 private double ConvertBytesToSelectedUnits(int sizeInBytes) | |
| 123 { | |
| 124 return sizeInBytes / Math.Pow(1024, (double)FileSizeUnits); | |
| 125 } | |
| 126 | |
| 127 private int ConvertSelectedUnitsToBytes(double sizeInSelectedUnits) | |
| 128 { | |
| 129 return (int)(sizeInSelectedUnits * Math.Pow(1024, (int)FileSizeUnits)); | |
| 130 } | |
| 3 | 131 } |
| 132 } |