diff options
Diffstat (limited to 'OpenSim')
-rw-r--r-- | OpenSim/Framework/Data.SQLite/SQLiteAssetData.cs | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/OpenSim/Framework/Data.SQLite/SQLiteAssetData.cs b/OpenSim/Framework/Data.SQLite/SQLiteAssetData.cs new file mode 100644 index 0000000..9138673 --- /dev/null +++ b/OpenSim/Framework/Data.SQLite/SQLiteAssetData.cs | |||
@@ -0,0 +1,237 @@ | |||
1 | /* | ||
2 | * Copyright (c) Contributors, http://www.openmetaverse.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.IO; | ||
30 | using libsecondlife; | ||
31 | using OpenSim.Framework.Utilities; | ||
32 | using System.Data; | ||
33 | using System.Data.SqlTypes; | ||
34 | using Mono.Data.SqliteClient; | ||
35 | using OpenSim.Framework.Console; | ||
36 | using OpenSim.Framework.Types; | ||
37 | |||
38 | namespace OpenSim.Framework.Data.SQLite | ||
39 | { | ||
40 | /// <summary> | ||
41 | /// A User storage interface for the DB4o database system | ||
42 | /// </summary> | ||
43 | public class SQLiteAssetData : SQLiteBase | ||
44 | { | ||
45 | /// <summary> | ||
46 | /// The database manager | ||
47 | /// </summary> | ||
48 | |||
49 | /// <summary> | ||
50 | /// Artificial constructor called upon plugin load | ||
51 | /// </summary> | ||
52 | private const string assetSelect = "select * from assets"; | ||
53 | private DataSet ds; | ||
54 | private SqliteDataAdapter da; | ||
55 | |||
56 | public void Initialise(string dbfile, string dbname) | ||
57 | { | ||
58 | SqliteConnection conn = new SqliteConnection("URI=file:" + dbfile + ",version=3"); | ||
59 | TestTables(conn); | ||
60 | |||
61 | ds = new DataSet(); | ||
62 | da = new SqliteDataAdapter(new SqliteCommand(assetSelect, conn)); | ||
63 | |||
64 | ds.Tables.Add(createAssetsTable()); | ||
65 | |||
66 | setupAssetCommands(da, conn); | ||
67 | da.Fill(ds.Tables["assets"]); | ||
68 | |||
69 | return; | ||
70 | } | ||
71 | |||
72 | public AssetBase FetchAsset(LLUUID uuid) | ||
73 | { | ||
74 | AssetBase asset = new AssetBase(); | ||
75 | DataRow row = ds.Tables["assets"].Rows.Find(uuid); | ||
76 | if (row != null) | ||
77 | { | ||
78 | return buildAsset(row); | ||
79 | } | ||
80 | else | ||
81 | { | ||
82 | return null; | ||
83 | } | ||
84 | } | ||
85 | |||
86 | public void CreateAsset(AssetBase asset) | ||
87 | { | ||
88 | // no difference for now | ||
89 | UpdateAsset(asset); | ||
90 | } | ||
91 | |||
92 | public void UpdateAsset(AssetBase asset) | ||
93 | { | ||
94 | DataTable assets = ds.Tables["assets"]; | ||
95 | DataRow row = assets.Rows.Find(asset.FullID); | ||
96 | if (row == null) | ||
97 | { | ||
98 | row = assets.NewRow(); | ||
99 | fillAssetRow(row, asset); | ||
100 | assets.Rows.Add(row); | ||
101 | } | ||
102 | else | ||
103 | { | ||
104 | fillAssetRow(row, asset); | ||
105 | } | ||
106 | } | ||
107 | |||
108 | public bool ExistsAsset(LLUUID uuid) | ||
109 | { | ||
110 | DataRow row = ds.Tables["assets"].Rows.Find(uuid); | ||
111 | return (row != null); | ||
112 | } | ||
113 | |||
114 | public void CommitAssets() // force a sync to the database | ||
115 | { | ||
116 | da.Update(ds, "assets"); | ||
117 | } | ||
118 | |||
119 | /*********************************************************************** | ||
120 | * | ||
121 | * Database Definition Functions | ||
122 | * | ||
123 | * This should be db agnostic as we define them in ADO.NET terms | ||
124 | * | ||
125 | **********************************************************************/ | ||
126 | |||
127 | private DataTable createAssetsTable() | ||
128 | { | ||
129 | DataTable assets = new DataTable("assets"); | ||
130 | |||
131 | createCol(assets, "UUID", typeof(System.String)); | ||
132 | createCol(assets, "Name", typeof(System.String)); | ||
133 | createCol(assets, "Description", typeof(System.String)); | ||
134 | createCol(assets, "Type", typeof(System.Int32)); | ||
135 | createCol(assets, "InvType", typeof(System.Int32)); | ||
136 | createCol(assets, "Local", typeof(System.Boolean)); | ||
137 | createCol(assets, "Temporary", typeof(System.Boolean)); | ||
138 | createCol(assets, "Data", typeof(System.Byte[])); | ||
139 | // Add in contraints | ||
140 | assets.PrimaryKey = new DataColumn[] { assets.Columns["UUID"] }; | ||
141 | return assets; | ||
142 | } | ||
143 | |||
144 | /*********************************************************************** | ||
145 | * | ||
146 | * Convert between ADO.NET <=> OpenSim Objects | ||
147 | * | ||
148 | * These should be database independant | ||
149 | * | ||
150 | **********************************************************************/ | ||
151 | |||
152 | private AssetBase buildAsset(DataRow row) | ||
153 | { | ||
154 | // TODO: this doesn't work yet because something more | ||
155 | // interesting has to be done to actually get these values | ||
156 | // back out. Not enough time to figure it out yet. | ||
157 | AssetBase asset = new AssetBase(); | ||
158 | |||
159 | asset.FullID = new LLUUID((String)row["UUID"]); | ||
160 | asset.Name = (String)row["Name"]; | ||
161 | asset.Description = (String)row["Description"]; | ||
162 | asset.Type = Convert.ToSByte(row["Type"]); | ||
163 | asset.InvType = Convert.ToSByte(row["InvType"]); | ||
164 | asset.Local = Convert.ToBoolean(row["Local"]); | ||
165 | asset.Temporary = Convert.ToBoolean(row["Temporary"]); | ||
166 | asset.Data = (byte[])row["Data"]; | ||
167 | return asset; | ||
168 | } | ||
169 | |||
170 | |||
171 | private void fillAssetRow(DataRow row, AssetBase asset) | ||
172 | { | ||
173 | row["UUID"] = asset.FullID; | ||
174 | row["Name"] = asset.Name; | ||
175 | row["Description"] = asset.Description; | ||
176 | row["Type"] = asset.Type; | ||
177 | row["InvType"] = asset.InvType; | ||
178 | row["Local"] = asset.Local; | ||
179 | row["Temporary"] = asset.Temporary; | ||
180 | row["Data"] = asset.Data; | ||
181 | |||
182 | // ADO.NET doesn't handle NULL very well | ||
183 | foreach (DataColumn col in ds.Tables["assets"].Columns) { | ||
184 | if (row[col] == null) { | ||
185 | row[col] = ""; | ||
186 | } | ||
187 | } | ||
188 | } | ||
189 | |||
190 | /*********************************************************************** | ||
191 | * | ||
192 | * Database Binding functions | ||
193 | * | ||
194 | * These will be db specific due to typing, and minor differences | ||
195 | * in databases. | ||
196 | * | ||
197 | **********************************************************************/ | ||
198 | |||
199 | private void setupAssetCommands(SqliteDataAdapter da, SqliteConnection conn) | ||
200 | { | ||
201 | da.InsertCommand = createInsertCommand("assets", ds.Tables["assets"]); | ||
202 | da.InsertCommand.Connection = conn; | ||
203 | |||
204 | da.UpdateCommand = createUpdateCommand("assets", "UUID=:UUID", ds.Tables["assets"]); | ||
205 | da.UpdateCommand.Connection = conn; | ||
206 | |||
207 | SqliteCommand delete = new SqliteCommand("delete from assets where UUID = :UUID"); | ||
208 | delete.Parameters.Add(createSqliteParameter("UUID", typeof(System.String))); | ||
209 | delete.Connection = conn; | ||
210 | da.DeleteCommand = delete; | ||
211 | } | ||
212 | |||
213 | private void InitDB(SqliteConnection conn) | ||
214 | { | ||
215 | string createAssets = defineTable(createAssetsTable()); | ||
216 | SqliteCommand pcmd = new SqliteCommand(createAssets, conn); | ||
217 | conn.Open(); | ||
218 | pcmd.ExecuteNonQuery(); | ||
219 | conn.Close(); | ||
220 | } | ||
221 | |||
222 | private bool TestTables(SqliteConnection conn) | ||
223 | { | ||
224 | SqliteCommand cmd = new SqliteCommand(assetSelect, conn); | ||
225 | SqliteDataAdapter pDa = new SqliteDataAdapter(cmd); | ||
226 | DataSet tmpDS = new DataSet(); | ||
227 | try { | ||
228 | pDa.Fill(tmpDS, "assets"); | ||
229 | } catch (Mono.Data.SqliteClient.SqliteSyntaxException) { | ||
230 | MainLog.Instance.Verbose("DATASTORE", "SQLite Database doesn't exist... creating"); | ||
231 | InitDB(conn); | ||
232 | } | ||
233 | return true; | ||
234 | } | ||
235 | |||
236 | } | ||
237 | } | ||