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author | Robert Adams | 2015-09-08 04:54:16 -0700 |
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committer | Robert Adams | 2015-09-08 04:54:16 -0700 |
commit | e5367d822be9b05e74c859afe2d2956a3e95aa33 (patch) | |
tree | e904050a30715df587aa527d7f313755177726a7 /OpenSim/Framework/Communications/Limit/TimeLimitStrategy.cs | |
parent | add lost admin_reset_land method (diff) | |
parent | Deleted access control spec from [LoginService] section of standalone config.... (diff) | |
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Merge of ubitworkvarnew with opensim/master as of 20150905.
This integrates the OpenSim refactoring to make physics, etc into modules.
AVN physics hasn't been moved to new location.
Does not compile yet.
Merge branch 'osmaster' into mbworknew1
Diffstat (limited to 'OpenSim/Framework/Communications/Limit/TimeLimitStrategy.cs')
-rw-r--r-- | OpenSim/Framework/Communications/Limit/TimeLimitStrategy.cs | 140 |
1 files changed, 0 insertions, 140 deletions
diff --git a/OpenSim/Framework/Communications/Limit/TimeLimitStrategy.cs b/OpenSim/Framework/Communications/Limit/TimeLimitStrategy.cs deleted file mode 100644 index 7ac8293..0000000 --- a/OpenSim/Framework/Communications/Limit/TimeLimitStrategy.cs +++ /dev/null | |||
@@ -1,140 +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; | ||
29 | using System.Collections.Generic; | ||
30 | |||
31 | namespace OpenSim.Framework.Communications.Limit | ||
32 | { | ||
33 | /// <summary> | ||
34 | /// Limit requests by discarding repeat attempts that occur within a given time period | ||
35 | /// | ||
36 | /// XXX Don't use this for limiting texture downloading, at least not until we better handle multiple requests | ||
37 | /// for the same texture at different resolutions. | ||
38 | /// </summary> | ||
39 | public class TimeLimitStrategy<TId> : IRequestLimitStrategy<TId> | ||
40 | { | ||
41 | /// <summary> | ||
42 | /// Record the time at which an asset request occurs. | ||
43 | /// </summary> | ||
44 | private readonly Dictionary<TId, Request> requests = new Dictionary<TId, Request>(); | ||
45 | |||
46 | /// <summary> | ||
47 | /// The minimum time period between which requests for the same data will be serviced. | ||
48 | /// </summary> | ||
49 | private readonly TimeSpan m_repeatPeriod; | ||
50 | public TimeSpan RepeatPeriod | ||
51 | { | ||
52 | get { return m_repeatPeriod; } | ||
53 | } | ||
54 | |||
55 | /// <summary></summary> | ||
56 | /// <param name="repeatPeriod"></param> | ||
57 | public TimeLimitStrategy(TimeSpan repeatPeriod) | ||
58 | { | ||
59 | m_repeatPeriod = repeatPeriod; | ||
60 | } | ||
61 | |||
62 | /// <summary> | ||
63 | /// <see cref="IRequestLimitStrategy"/> | ||
64 | /// </summary> | ||
65 | public bool AllowRequest(TId id) | ||
66 | { | ||
67 | if (IsMonitoringRequests(id)) | ||
68 | { | ||
69 | DateTime now = DateTime.Now; | ||
70 | TimeSpan elapsed = now - requests[id].Time; | ||
71 | |||
72 | if (elapsed < RepeatPeriod) | ||
73 | { | ||
74 | requests[id].Refusals += 1; | ||
75 | return false; | ||
76 | } | ||
77 | |||
78 | requests[id].Time = now; | ||
79 | } | ||
80 | |||
81 | return true; | ||
82 | } | ||
83 | |||
84 | /// <summary> | ||
85 | /// <see cref="IRequestLimitStrategy"/> | ||
86 | /// </summary> | ||
87 | public bool IsFirstRefusal(TId id) | ||
88 | { | ||
89 | if (IsMonitoringRequests(id)) | ||
90 | { | ||
91 | if (1 == requests[id].Refusals) | ||
92 | { | ||
93 | return true; | ||
94 | } | ||
95 | } | ||
96 | |||
97 | return false; | ||
98 | } | ||
99 | |||
100 | /// <summary> | ||
101 | /// <see cref="IRequestLimitStrategy"/> | ||
102 | /// </summary> | ||
103 | public void MonitorRequests(TId id) | ||
104 | { | ||
105 | if (!IsMonitoringRequests(id)) | ||
106 | { | ||
107 | requests.Add(id, new Request(DateTime.Now)); | ||
108 | } | ||
109 | } | ||
110 | |||
111 | /// <summary> | ||
112 | /// <see cref="IRequestLimitStrategy"/> | ||
113 | /// </summary> | ||
114 | public bool IsMonitoringRequests(TId id) | ||
115 | { | ||
116 | return requests.ContainsKey(id); | ||
117 | } | ||
118 | } | ||
119 | |||
120 | /// <summary> | ||
121 | /// Private request details. | ||
122 | /// </summary> | ||
123 | class Request | ||
124 | { | ||
125 | /// <summary> | ||
126 | /// Time of last request | ||
127 | /// </summary> | ||
128 | public DateTime Time; | ||
129 | |||
130 | /// <summary> | ||
131 | /// Number of refusals associated with this request | ||
132 | /// </summary> | ||
133 | public int Refusals; | ||
134 | |||
135 | public Request(DateTime time) | ||
136 | { | ||
137 | Time = time; | ||
138 | } | ||
139 | } | ||
140 | } | ||