diff options
Diffstat (limited to 'OpenSim/Region/Framework/Scenes/Types/UpdateQueue.cs')
-rw-r--r-- | OpenSim/Region/Framework/Scenes/Types/UpdateQueue.cs | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/OpenSim/Region/Framework/Scenes/Types/UpdateQueue.cs b/OpenSim/Region/Framework/Scenes/Types/UpdateQueue.cs new file mode 100644 index 0000000..452ada9 --- /dev/null +++ b/OpenSim/Region/Framework/Scenes/Types/UpdateQueue.cs | |||
@@ -0,0 +1,134 @@ | |||
1 | /* | ||
2 | * Copyright (c) Contributors, http://opensimulator.org/ | ||
3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. | ||
4 | * | ||
5 | * Redistribution and use in source and binary forms, with or without | ||
6 | * modification, are permitted provided that the following conditions are met: | ||
7 | * * Redistributions of source code must retain the above copyright | ||
8 | * notice, this list of conditions and the following disclaimer. | ||
9 | * * Redistributions in binary form must reproduce the above copyright | ||
10 | * notice, this list of conditions and the following disclaimer in the | ||
11 | * documentation and/or other materials provided with the distribution. | ||
12 | * * Neither the name of the OpenSim Project nor the | ||
13 | * names of its contributors may be used to endorse or promote products | ||
14 | * derived from this software without specific prior written permission. | ||
15 | * | ||
16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY | ||
17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | ||
18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | ||
19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY | ||
20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | ||
21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | ||
22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | ||
23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | ||
25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
26 | */ | ||
27 | |||
28 | using System; | ||
29 | using System.Collections.Generic; | ||
30 | using System.Runtime.Serialization; | ||
31 | using System.Security.Permissions; | ||
32 | using OpenMetaverse; | ||
33 | using OpenSim.Region.Framework.Scenes; | ||
34 | |||
35 | namespace OpenSim.Region.Framework.Scenes.Types | ||
36 | { | ||
37 | [Serializable] | ||
38 | public class UpdateQueue : ISerializable | ||
39 | { | ||
40 | private Queue<SceneObjectPart> m_queue; | ||
41 | |||
42 | private List<UUID> m_ids; | ||
43 | |||
44 | private object m_syncObject = new object(); | ||
45 | |||
46 | public int Count | ||
47 | { | ||
48 | get { return m_queue.Count; } | ||
49 | } | ||
50 | |||
51 | public UpdateQueue() | ||
52 | { | ||
53 | m_queue = new Queue<SceneObjectPart>(); | ||
54 | m_ids = new List<UUID>(); | ||
55 | } | ||
56 | |||
57 | public void Clear() | ||
58 | { | ||
59 | lock (m_syncObject) | ||
60 | { | ||
61 | m_ids.Clear(); | ||
62 | m_queue.Clear(); | ||
63 | } | ||
64 | } | ||
65 | |||
66 | public void Enqueue(SceneObjectPart part) | ||
67 | { | ||
68 | lock (m_syncObject) | ||
69 | { | ||
70 | if (!m_ids.Contains(part.UUID)) | ||
71 | { | ||
72 | m_ids.Add(part.UUID); | ||
73 | m_queue.Enqueue(part); | ||
74 | } | ||
75 | } | ||
76 | } | ||
77 | |||
78 | public SceneObjectPart Dequeue() | ||
79 | { | ||
80 | SceneObjectPart part = null; | ||
81 | lock (m_syncObject) | ||
82 | { | ||
83 | if (m_queue.Count > 0) | ||
84 | { | ||
85 | part = m_queue.Dequeue(); | ||
86 | m_ids.Remove(part.UUID); | ||
87 | } | ||
88 | } | ||
89 | |||
90 | return part; | ||
91 | } | ||
92 | |||
93 | protected UpdateQueue(SerializationInfo info, StreamingContext context) | ||
94 | { | ||
95 | //System.Console.WriteLine("UpdateQueue Deserialize BGN"); | ||
96 | |||
97 | if (info == null) | ||
98 | { | ||
99 | throw new ArgumentNullException("info"); | ||
100 | } | ||
101 | |||
102 | m_queue = (Queue<SceneObjectPart>)info.GetValue("m_queue", typeof(Queue<SceneObjectPart>)); | ||
103 | List<Guid> ids_work = (List<Guid>)info.GetValue("m_ids", typeof(List<Guid>)); | ||
104 | |||
105 | foreach (Guid guid in ids_work) | ||
106 | { | ||
107 | m_ids.Add(new UUID(guid)); | ||
108 | } | ||
109 | |||
110 | //System.Console.WriteLine("UpdateQueue Deserialize END"); | ||
111 | } | ||
112 | |||
113 | [SecurityPermission(SecurityAction.LinkDemand, | ||
114 | Flags = SecurityPermissionFlag.SerializationFormatter)] | ||
115 | public virtual void GetObjectData( | ||
116 | SerializationInfo info, StreamingContext context) | ||
117 | { | ||
118 | if (info == null) | ||
119 | { | ||
120 | throw new ArgumentNullException("info"); | ||
121 | } | ||
122 | |||
123 | List<Guid> ids_work = new List<Guid>(); | ||
124 | |||
125 | foreach (UUID uuid in m_ids) | ||
126 | { | ||
127 | ids_work.Add(uuid.Guid); | ||
128 | } | ||
129 | |||
130 | info.AddValue("m_queue", m_queue); | ||
131 | info.AddValue("m_ids", ids_work); | ||
132 | } | ||
133 | } | ||
134 | } | ||