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Diffstat (limited to 'OpenSim/Framework/Communications/Limit/RepeatLimitStrategy.cs')
-rw-r--r-- | OpenSim/Framework/Communications/Limit/RepeatLimitStrategy.cs | 109 |
1 files changed, 0 insertions, 109 deletions
diff --git a/OpenSim/Framework/Communications/Limit/RepeatLimitStrategy.cs b/OpenSim/Framework/Communications/Limit/RepeatLimitStrategy.cs deleted file mode 100644 index 44dd592..0000000 --- a/OpenSim/Framework/Communications/Limit/RepeatLimitStrategy.cs +++ /dev/null | |||
@@ -1,109 +0,0 @@ | |||
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 OpenSimulator 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.Collections.Generic; | ||
29 | |||
30 | namespace OpenSim.Framework.Communications.Limit | ||
31 | { | ||
32 | /// <summary> | ||
33 | /// Limit requests by discarding them after they've been repeated a certain number of times. | ||
34 | /// </summary> | ||
35 | public class RepeatLimitStrategy<TId> : IRequestLimitStrategy<TId> | ||
36 | { | ||
37 | /// <summary> | ||
38 | /// Record each asset request that we're notified about. | ||
39 | /// </summary> | ||
40 | private readonly Dictionary<TId, int> requestCounts = new Dictionary<TId, int>(); | ||
41 | |||
42 | /// <summary> | ||
43 | /// The maximum number of requests that can be made before we drop subsequent requests. | ||
44 | /// </summary> | ||
45 | private readonly int m_maxRequests; | ||
46 | public int MaxRequests | ||
47 | { | ||
48 | get { return m_maxRequests; } | ||
49 | } | ||
50 | |||
51 | /// <summary></summary> | ||
52 | /// <param name="maxRequests">The maximum number of requests that may be served before all further | ||
53 | /// requests are dropped.</param> | ||
54 | public RepeatLimitStrategy(int maxRequests) | ||
55 | { | ||
56 | m_maxRequests = maxRequests; | ||
57 | } | ||
58 | |||
59 | /// <summary> | ||
60 | /// <see cref="IRequestLimitStrategy"/> | ||
61 | /// </summary> | ||
62 | public bool AllowRequest(TId id) | ||
63 | { | ||
64 | if (requestCounts.ContainsKey(id)) | ||
65 | { | ||
66 | requestCounts[id] += 1; | ||
67 | |||
68 | if (requestCounts[id] > m_maxRequests) | ||
69 | { | ||
70 | return false; | ||
71 | } | ||
72 | } | ||
73 | |||
74 | return true; | ||
75 | } | ||
76 | |||
77 | /// <summary> | ||
78 | /// <see cref="IRequestLimitStrategy"/> | ||
79 | /// </summary> | ||
80 | public bool IsFirstRefusal(TId id) | ||
81 | { | ||
82 | if (requestCounts.ContainsKey(id) && m_maxRequests + 1 == requestCounts[id]) | ||
83 | { | ||
84 | return true; | ||
85 | } | ||
86 | |||
87 | return false; | ||
88 | } | ||
89 | |||
90 | /// <summary> | ||
91 | /// <see cref="IRequestLimitStrategy"/> | ||
92 | /// </summary> | ||
93 | public void MonitorRequests(TId id) | ||
94 | { | ||
95 | if (!IsMonitoringRequests(id)) | ||
96 | { | ||
97 | requestCounts.Add(id, 1); | ||
98 | } | ||
99 | } | ||
100 | |||
101 | /// <summary> | ||
102 | /// <see cref="IRequestLimitStrategy"/> | ||
103 | /// </summary> | ||
104 | public bool IsMonitoringRequests(TId id) | ||
105 | { | ||
106 | return requestCounts.ContainsKey(id); | ||
107 | } | ||
108 | } | ||
109 | } | ||