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
|
//
// CdromDevice.cs
//
// Author:
// Alex Launi <alex.launi@gmail.com>
//
// Copyright (c) 2010 Alex Launi
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#if ENABLE_GIO_HARDWARE
using System;
using System.Runtime.InteropServices;
using Mono.Unix;
using Banshee.Hardware;
namespace Banshee.Hardware.Gio
{
class CdromDevice : BlockDevice, ICdromDevice
{
// This tells us the actual type of the block device
// i.e. 'disk' == HD. 'cd' == dvd/cd drive
const string DeviceType = "ID_TYPE";
public static new ICdromDevice Resolve (IDevice device)
{
var raw = device as IRawDevice;
if (raw != null) {
if (raw.Device.UdevMetadata.GetPropertyString (DeviceType) == "cd") {
return new CdromDevice (raw.Device);
}
}
return null;
}
// FIXME: This is incredibly lame, there must be a way to query the
// device itself rather than hackisly attempting to keep track of it
public bool IsDoorLocked {
get; private set;
}
// This was literally copied and pasted from Hal's CdromDevice class.
[DllImport ("libc")]
private static extern int ioctl (int device, IoctlOperation request, bool lockdoor);
private enum IoctlOperation {
LockDoor = 0x5329
}
CdromDevice (RawDevice device)
: base (device)
{
}
bool LockDeviceNode (string device, bool lockdoor)
{
try {
using (UnixStream stream = (new UnixFileInfo (device)).Open (
Mono.Unix.Native.OpenFlags.O_RDONLY |
Mono.Unix.Native.OpenFlags.O_NONBLOCK)) {
bool success = ioctl (stream.Handle, IoctlOperation.LockDoor, lockdoor) == 0;
IsDoorLocked = success && lockdoor;
return success;
}
} catch {
return false;
}
}
public bool LockDoor ()
{
lock (this) {
return LockDeviceNode (DeviceNode, true);
}
}
public bool UnlockDoor ()
{
lock (this) {
return LockDeviceNode (DeviceNode, false);
}
}
}
}
#endif
|
