diff options
author | diva | 2009-02-07 16:10:23 +0000 |
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committer | diva | 2009-02-07 16:10:23 +0000 |
commit | ff0fa1290397d96dbf49477a2668fa62e9be22dc (patch) | |
tree | e7be5308f5379f5a6d2c0f663ebe0b8aa6bf87f4 /OpenSim/Region/Framework | |
parent | Fix a .NET issue where changing a locked reference would cause a crash (diff) | |
download | opensim-SC_OLD-ff0fa1290397d96dbf49477a2668fa62e9be22dc.zip opensim-SC_OLD-ff0fa1290397d96dbf49477a2668fa62e9be22dc.tar.gz opensim-SC_OLD-ff0fa1290397d96dbf49477a2668fa62e9be22dc.tar.bz2 opensim-SC_OLD-ff0fa1290397d96dbf49477a2668fa62e9be22dc.tar.xz |
Adds support for HG linking to specific regions within an instance. The format is Host:Port:Region. Refactored the linking code from MapSearchModule to HGHyperlink, so that it can be used both by the MapSearchModule and the Console command.
Diffstat (limited to '')
-rw-r--r-- | OpenSim/Region/Framework/Scenes/Hypergrid/HGHyperlink.cs | 192 |
1 files changed, 192 insertions, 0 deletions
diff --git a/OpenSim/Region/Framework/Scenes/Hypergrid/HGHyperlink.cs b/OpenSim/Region/Framework/Scenes/Hypergrid/HGHyperlink.cs new file mode 100644 index 0000000..6ee28cb --- /dev/null +++ b/OpenSim/Region/Framework/Scenes/Hypergrid/HGHyperlink.cs | |||
@@ -0,0 +1,192 @@ | |||
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.Reflection; | ||
30 | using System.Net; | ||
31 | using OpenSim.Framework; | ||
32 | using OpenSim.Framework.Communications; | ||
33 | using OpenMetaverse; | ||
34 | using log4net; | ||
35 | using Nini.Config; | ||
36 | |||
37 | namespace OpenSim.Region.Framework.Scenes.Hypergrid | ||
38 | { | ||
39 | public class HGHyperlink | ||
40 | { | ||
41 | private static readonly ILog m_log = | ||
42 | LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); | ||
43 | private static Random random = new Random(); | ||
44 | |||
45 | public static RegionInfo TryLinkRegionToCoords(Scene m_scene, IClientAPI client, string mapName, uint xloc, uint yloc) | ||
46 | { | ||
47 | string host = "127.0.0.1"; | ||
48 | string portstr; | ||
49 | string regionName = ""; | ||
50 | uint port = 9000; | ||
51 | string[] parts = mapName.Split(new char[] { ':' }); | ||
52 | if (parts.Length >= 1) | ||
53 | { | ||
54 | host = parts[0]; | ||
55 | } | ||
56 | if (parts.Length >= 2) | ||
57 | { | ||
58 | portstr = parts[1]; | ||
59 | if (!UInt32.TryParse(portstr, out port)) | ||
60 | regionName = parts[1]; | ||
61 | } | ||
62 | // always take the last one | ||
63 | if (parts.Length >= 3) | ||
64 | { | ||
65 | regionName = parts[2]; | ||
66 | } | ||
67 | |||
68 | // Sanity check. Don't ever link to this sim. | ||
69 | IPAddress ipaddr = null; | ||
70 | try | ||
71 | { | ||
72 | ipaddr = Util.GetHostFromDNS(host); | ||
73 | } | ||
74 | catch { } | ||
75 | |||
76 | if ((ipaddr != null) && | ||
77 | !((m_scene.RegionInfo.ExternalEndPoint.Address.Equals(ipaddr)) && (m_scene.RegionInfo.HttpPort == port))) | ||
78 | { | ||
79 | RegionInfo regInfo; | ||
80 | bool success = TryCreateLink(m_scene, client, xloc, yloc, regionName, port, host, out regInfo); | ||
81 | if (success) | ||
82 | { | ||
83 | regInfo.RegionName = mapName; | ||
84 | return regInfo; | ||
85 | } | ||
86 | } | ||
87 | |||
88 | return null; | ||
89 | } | ||
90 | |||
91 | public static RegionInfo TryLinkRegion(Scene m_scene, IClientAPI client, string mapName) | ||
92 | { | ||
93 | uint xloc = (uint)(random.Next(0, Int16.MaxValue)); | ||
94 | return TryLinkRegionToCoords(m_scene, client, mapName, xloc, 0); | ||
95 | } | ||
96 | |||
97 | public static bool TryCreateLink(Scene m_scene, IClientAPI client, uint xloc, uint yloc, | ||
98 | string externalRegionName, uint externalPort, string externalHostName, out RegionInfo regInfo) | ||
99 | { | ||
100 | m_log.DebugFormat("[HGrid]: Link to {0}:{1}, in {2}-{3}", externalHostName, externalPort, xloc, yloc); | ||
101 | |||
102 | regInfo = new RegionInfo(); | ||
103 | regInfo.RegionName = externalRegionName; | ||
104 | regInfo.HttpPort = externalPort; | ||
105 | regInfo.ExternalHostName = externalHostName; | ||
106 | regInfo.RegionLocX = xloc; | ||
107 | regInfo.RegionLocY = yloc; | ||
108 | |||
109 | try | ||
110 | { | ||
111 | regInfo.InternalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), (int)0); | ||
112 | } | ||
113 | catch (Exception e) | ||
114 | { | ||
115 | m_log.Warn("[HGrid]: Wrong format for link-region: " + e.Message); | ||
116 | return false; | ||
117 | } | ||
118 | //regInfo.RemotingAddress = regInfo.ExternalEndPoint.Address.ToString(); | ||
119 | |||
120 | // Finally, link it | ||
121 | try | ||
122 | { | ||
123 | m_scene.CommsManager.GridService.RegisterRegion(regInfo); | ||
124 | } | ||
125 | catch (Exception e) | ||
126 | { | ||
127 | m_log.Warn("[HGrid]: Unable to link region: " + e.Message); | ||
128 | return false; | ||
129 | } | ||
130 | |||
131 | uint x, y; | ||
132 | if (!Check4096(m_scene, regInfo, out x, out y)) | ||
133 | { | ||
134 | m_scene.CommsManager.GridService.DeregisterRegion(regInfo); | ||
135 | if (client != null) | ||
136 | client.SendAlertMessage("Region is too far (" + x + ", " + y + ")"); | ||
137 | m_log.Info("[HGrid]: Unable to link, region is too far (" + x + ", " + y + ")"); | ||
138 | return false; | ||
139 | } | ||
140 | |||
141 | if (!CheckCoords(m_scene.RegionInfo.RegionLocX, m_scene.RegionInfo.RegionLocY, x, y)) | ||
142 | { | ||
143 | m_scene.CommsManager.GridService.DeregisterRegion(regInfo); | ||
144 | if (client != null) | ||
145 | client.SendAlertMessage("Region has incompatible coordinates (" + x + ", " + y + ")"); | ||
146 | m_log.Info("[HGrid]: Unable to link, region has incompatible coordinates (" + x + ", " + y + ")"); | ||
147 | return false; | ||
148 | } | ||
149 | |||
150 | m_log.Debug("[HGrid]: link region succeeded"); | ||
151 | return true; | ||
152 | } | ||
153 | |||
154 | /// <summary> | ||
155 | /// Cope with this viewer limitation. | ||
156 | /// </summary> | ||
157 | /// <param name="regInfo"></param> | ||
158 | /// <returns></returns> | ||
159 | public static bool Check4096(Scene m_scene, RegionInfo regInfo, out uint x, out uint y) | ||
160 | { | ||
161 | ulong realHandle; | ||
162 | if (UInt64.TryParse(regInfo.regionSecret, out realHandle)) | ||
163 | { | ||
164 | Utils.LongToUInts(realHandle, out x, out y); | ||
165 | x = x / Constants.RegionSize; | ||
166 | y = y / Constants.RegionSize; | ||
167 | |||
168 | if ((Math.Abs((int)m_scene.RegionInfo.RegionLocX - (int)x) >= 4096) || | ||
169 | (Math.Abs((int)m_scene.RegionInfo.RegionLocY - (int)y) >= 4096)) | ||
170 | { | ||
171 | return false; | ||
172 | } | ||
173 | return true; | ||
174 | } | ||
175 | else | ||
176 | { | ||
177 | m_scene.CommsManager.GridService.RegisterRegion(regInfo); | ||
178 | m_log.Debug("[HGrid]: Gnomes. Region deregistered."); | ||
179 | x = y = 0; | ||
180 | return false; | ||
181 | } | ||
182 | } | ||
183 | |||
184 | public static bool CheckCoords(uint thisx, uint thisy, uint x, uint y) | ||
185 | { | ||
186 | if ((thisx == x) && (thisy == y)) | ||
187 | return false; | ||
188 | return true; | ||
189 | } | ||
190 | |||
191 | } | ||
192 | } | ||