1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
// --------------------------------------------------------------------------------------------------------------------
// <copyright file="QueueRecoveryHelper.cs" company="HandBrake Project (http://handbrake.fr)">
// This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
// </copyright>
// <summary>
// Defines the QueueRecoveryHelper type.
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrakeWPF.Helpers
{
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text.RegularExpressions;
using System.Windows;
using System.Xml.Serialization;
using HandBrake.ApplicationServices.Model;
using HandBrake.ApplicationServices.Services.Interfaces;
using HandBrake.ApplicationServices.Utilities;
using HandBrakeWPF.Services.Interfaces;
/// <summary>
/// Queue Recovery Helper
/// </summary>
public class QueueRecoveryHelper
{
/// <summary>
/// Check if the queue recovery file contains records.
/// If it does, it means the last queue did not complete before HandBrake closed.
/// So, return a boolean if true.
/// </summary>
/// <returns>
/// True if there is a queue to recover.
/// </returns>
public static List<string> CheckQueueRecovery()
{
try
{
XmlSerializer Ser = new XmlSerializer(typeof(List<QueueTask>));
string tempPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), @"HandBrake\");
List<string> queueFiles = new List<string>();
List<string> removeFiles = new List<string>();
DirectoryInfo info = new DirectoryInfo(tempPath);
IEnumerable<FileInfo> logFiles = info.GetFiles("*.xml").Where(f => f.Name.StartsWith("hb_queue_recovery"));
foreach (FileInfo file in logFiles)
{
using (FileStream strm = new FileStream(file.FullName, FileMode.Open, FileAccess.Read))
{
List<QueueTask> list = Ser.Deserialize(strm) as List<QueueTask>;
if (list != null && list.Count == 0)
{
removeFiles.Add(file.FullName);
}
if (list != null && list.Count != 0)
{
List<QueueTask> tasks = list.Where(l => l.Status != QueueItemStatus.Completed).ToList();
if (tasks.Count != 0)
{
queueFiles.Add(file.Name);
}
}
}
}
// Cleanup old/unused queue files for now.
foreach (string file in removeFiles)
{
Match m = Regex.Match(file, @"([0-9]+).xml");
if (m.Success)
{
int processId = int.Parse(m.Groups[1].ToString());
if (GeneralUtilities.IsPidACurrentHandBrakeInstance(processId))
{
continue;
}
}
File.Delete(file);
}
return queueFiles;
}
catch (Exception exc)
{
return new List<string>(); // Keep quiet about the error.
}
}
/// <summary>
/// Recover a queue from file.
/// </summary>
/// <param name="encodeQueue">
/// The encode Queue.
/// </param>
/// <param name="errorService">
/// The error Service.
/// </param>
public static void RecoverQueue(IQueueProcessor encodeQueue, IErrorService errorService)
{
string appDataPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), @"HandBrake\");
List<string> queueFiles = CheckQueueRecovery();
MessageBoxResult result = MessageBoxResult.None;
if (queueFiles.Count == 1)
{
result = errorService.ShowMessageBox(
"HandBrake has detected unfinished items on the queue from the last time the application was launched. Would you like to recover these?",
"Queue Recovery Possible", MessageBoxButton.YesNo, MessageBoxImage.Question);
}
else if (queueFiles.Count > 1)
{
result = MessageBox.Show(
"HandBrake has detected multiple unfinished queue files. These will be from multiple instances of HandBrake running. Would you like to recover all unfinished jobs?",
"Queue Recovery Possible", MessageBoxButton.YesNo, MessageBoxImage.Question);
}
if (result == MessageBoxResult.Yes)
{
foreach (string file in queueFiles)
{
encodeQueue.RestoreQueue(appDataPath + file); // Start Recovery
if (!file.Contains(GeneralUtilities.ProcessId.ToString(CultureInfo.InvariantCulture)))
{
try
{
// Once we load it in, remove it as we no longer need it.
File.Delete(file);
}
catch (Exception)
{
// Keep quite, nothing much we can do if there are problems.
// We will continue processing files.
}
}
}
}
else
{
foreach (string file in queueFiles)
{
if (File.Exists(Path.Combine(appDataPath, file)))
{
// Check that the file doesn't belong to another running instance.
Match m = Regex.Match(file, @"[([0-9]+)].xml");
if (m.Success)
{
int processId = int.Parse(m.Groups[1].ToString());
if (GeneralUtilities.IsPidACurrentHandBrakeInstance(processId))
{
continue;
}
}
// Delete it if it doesn't
File.Delete(Path.Combine(appDataPath, file));
}
}
}
}
}
}
|
