opensim-development – Blame information for rev 1
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1 | eva | 1 | /* |
2 | * Copyright (c) Contributors, http://opensimulator.org/ |
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3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
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4 | * |
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5 | * Redistribution and use in source and binary forms, with or without |
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6 | * modification, are permitted provided that the following conditions are met: |
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7 | * * Redistributions of source code must retain the above copyright |
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8 | * notice, this list of conditions and the following disclaimer. |
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9 | * * Redistributions in binary form must reproduce the above copyright |
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10 | * notice, this list of conditions and the following disclaimer in the |
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11 | * documentation and/or other materials provided with the distribution. |
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12 | * * Neither the name of the OpenSimulator Project nor the |
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13 | * names of its contributors may be used to endorse or promote products |
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14 | * derived from this software without specific prior written permission. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
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17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
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18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
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20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
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21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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22 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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23 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
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25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |||
28 | using System; |
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29 | using System.Collections.Generic; |
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30 | using System.IO; |
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31 | using System.Reflection; |
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32 | using System.Runtime.Serialization; |
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33 | using System.Text; |
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34 | using System.Timers; |
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35 | using System.Xml; |
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36 | using System.Xml.Serialization; |
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37 | using log4net; |
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38 | using Nini.Config; |
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39 | |||
40 | using OpenMetaverse; |
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41 | using OpenSim.Data; |
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42 | using OpenSim.Framework; |
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43 | using OpenSim.Services.Interfaces; |
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44 | |||
45 | namespace OpenSim.OfflineIM |
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46 | { |
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47 | public class OfflineIMService : OfflineIMServiceBase, IOfflineIMService |
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48 | { |
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49 | // private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
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50 | private const int MAX_IM = 25; |
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51 | |||
52 | private XmlSerializer m_serializer; |
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53 | private static bool m_Initialized = false; |
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54 | |||
55 | public OfflineIMService(IConfigSource config) |
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56 | : base(config) |
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57 | { |
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58 | m_serializer = new XmlSerializer(typeof(GridInstantMessage)); |
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59 | if (!m_Initialized) |
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60 | { |
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61 | m_Database.DeleteOld(); |
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62 | m_Initialized = true; |
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63 | } |
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64 | } |
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65 | |||
66 | public List<GridInstantMessage> GetMessages(UUID principalID) |
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67 | { |
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68 | List<GridInstantMessage> ims = new List<GridInstantMessage>(); |
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69 | |||
70 | OfflineIMData[] messages = m_Database.Get("PrincipalID", principalID.ToString()); |
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71 | |||
72 | if (messages == null || (messages != null && messages.Length == 0)) |
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73 | return ims; |
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74 | |||
75 | foreach (OfflineIMData m in messages) |
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76 | { |
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77 | using (MemoryStream mstream = new MemoryStream(Encoding.UTF8.GetBytes(m.Data["Message"]))) |
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78 | { |
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79 | GridInstantMessage im = (GridInstantMessage)m_serializer.Deserialize(mstream); |
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80 | ims.Add(im); |
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81 | } |
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82 | } |
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83 | |||
84 | // Then, delete them |
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85 | m_Database.Delete("PrincipalID", principalID.ToString()); |
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86 | |||
87 | return ims; |
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88 | } |
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89 | |||
90 | public bool StoreMessage(GridInstantMessage im, out string reason) |
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91 | { |
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92 | reason = string.Empty; |
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93 | |||
94 | // Check limits |
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95 | UUID principalID = new UUID(im.toAgentID); |
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96 | long count = m_Database.GetCount("PrincipalID", principalID.ToString()); |
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97 | if (count >= MAX_IM) |
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98 | { |
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99 | reason = "Number of offline IMs has maxed out"; |
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100 | return false; |
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101 | } |
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102 | |||
103 | string imXml; |
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104 | using (MemoryStream mstream = new MemoryStream()) |
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105 | { |
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106 | XmlWriterSettings settings = new XmlWriterSettings(); |
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107 | settings.Encoding = Encoding.UTF8; |
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108 | |||
109 | using (XmlWriter writer = XmlWriter.Create(mstream, settings)) |
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110 | { |
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111 | m_serializer.Serialize(writer, im); |
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112 | writer.Flush(); |
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113 | } |
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114 | |||
115 | imXml = Util.UTF8.GetString(mstream.ToArray()); |
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116 | } |
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117 | |||
118 | OfflineIMData data = new OfflineIMData(); |
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119 | data.PrincipalID = principalID; |
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120 | data.FromID = new UUID(im.fromAgentID); |
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121 | data.Data = new Dictionary<string, string>(); |
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122 | data.Data["Message"] = imXml; |
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123 | |||
124 | return m_Database.Store(data); |
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125 | |||
126 | } |
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127 | |||
128 | public void DeleteMessages(UUID userID) |
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129 | { |
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130 | m_Database.Delete("PrincipalID", userID.ToString()); |
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131 | m_Database.Delete("FromID", userID.ToString()); |
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132 | } |
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133 | |||
134 | } |
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135 | } |