aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Region/CoreModules/Agent/TextureSender/TextureSender.cs
diff options
context:
space:
mode:
authorDiva Canto2010-12-23 10:05:08 -0800
committerDiva Canto2010-12-23 10:05:08 -0800
commit54418c5e69c5085750762e2bd3220ae7a6808471 (patch)
tree18a82baa2bb4d525870160a7e0e411f0ddb0f2e2 /OpenSim/Region/CoreModules/Agent/TextureSender/TextureSender.cs
parentAdded a counter to NewFiles in Xfers to account for simultaneous object inven... (diff)
downloadopensim-SC_OLD-54418c5e69c5085750762e2bd3220ae7a6808471.zip
opensim-SC_OLD-54418c5e69c5085750762e2bd3220ae7a6808471.tar.gz
opensim-SC_OLD-54418c5e69c5085750762e2bd3220ae7a6808471.tar.bz2
opensim-SC_OLD-54418c5e69c5085750762e2bd3220ae7a6808471.tar.xz
Removed unused code -- this was the previous version of UDP texture sending, which now lives entirely in LindenUDP space.
Diffstat (limited to 'OpenSim/Region/CoreModules/Agent/TextureSender/TextureSender.cs')
-rw-r--r--OpenSim/Region/CoreModules/Agent/TextureSender/TextureSender.cs212
1 files changed, 0 insertions, 212 deletions
diff --git a/OpenSim/Region/CoreModules/Agent/TextureSender/TextureSender.cs b/OpenSim/Region/CoreModules/Agent/TextureSender/TextureSender.cs
deleted file mode 100644
index 62c5a32..0000000
--- a/OpenSim/Region/CoreModules/Agent/TextureSender/TextureSender.cs
+++ /dev/null
@@ -1,212 +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
28using System;
29using System.Reflection;
30using log4net;
31using OpenSim.Framework;
32using OpenSim.Region.Framework.Interfaces;
33
34namespace OpenSim.Region.CoreModules.Agent.TextureSender
35{
36 /// <summary>
37 /// A TextureSender handles the process of receiving a texture requested by the client from the
38 /// AssetCache, and then sending that texture back to the client.
39 /// </summary>
40 public class TextureSender : ITextureSender
41 {
42 private static readonly ILog m_log
43 = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
44
45 /// <summary>
46 /// Records the number of times texture send has been called.
47 /// </summary>
48 public int counter = 0;
49
50 public bool ImageLoaded = false;
51
52 /// <summary>
53 /// Holds the texture asset to send.
54 /// </summary>
55 private AssetBase m_asset;
56
57 //public UUID assetID { get { return m_asset.FullID; } }
58
59 // private bool m_cancel = false;
60
61 // See ITextureSender
62
63 // private bool m_sending = false;
64
65 /// <summary>
66 /// This is actually the number of extra packets required to send the texture data! We always assume
67 /// at least one is required.
68 /// </summary>
69 private int NumPackets = 0;
70
71 /// <summary>
72 /// Holds the packet number to send next. In this case, each packet is 1000 bytes long and starts
73 /// at the 600th byte (0th indexed).
74 /// </summary>
75 private int PacketCounter = 0;
76
77 private int RequestedDiscardLevel = -1;
78 private IClientAPI RequestUser;
79 private uint StartPacketNumber = 0;
80
81 public TextureSender(IClientAPI client, int discardLevel, uint packetNumber)
82 {
83 RequestUser = client;
84 RequestedDiscardLevel = discardLevel;
85 StartPacketNumber = packetNumber;
86 }
87
88 #region ITextureSender Members
89
90 public bool Cancel
91 {
92 get { return false; }
93 set
94 {
95 // m_cancel = value;
96 }
97 }
98
99 public bool Sending
100 {
101 get { return false; }
102 set
103 {
104 // m_sending = value;
105 }
106 }
107
108 // See ITextureSender
109 public void UpdateRequest(int discardLevel, uint packetNumber)
110 {
111 RequestedDiscardLevel = discardLevel;
112 StartPacketNumber = packetNumber;
113 PacketCounter = (int)StartPacketNumber;
114 }
115
116 // See ITextureSender
117 public bool SendTexturePacket()
118 {
119 //m_log.DebugFormat("[TEXTURE SENDER]: Sending packet for {0}", m_asset.FullID);
120
121 SendPacket();
122 counter++;
123 if ((NumPackets == 0) || (RequestedDiscardLevel == -1) || (PacketCounter > NumPackets) ||
124 ((RequestedDiscardLevel > 0) && (counter > 50 + (NumPackets / (RequestedDiscardLevel + 1)))))
125 {
126 return true;
127 }
128 return false;
129 }
130
131 #endregion
132
133 /// <summary>
134 /// Load up the texture data to send.
135 /// </summary>
136 /// <param name="asset"></param>
137 public void TextureReceived(AssetBase asset)
138 {
139 m_asset = asset;
140 NumPackets = CalculateNumPackets(asset.Data.Length);
141 PacketCounter = (int)StartPacketNumber;
142 ImageLoaded = true;
143 }
144
145 /// <summary>
146 /// Sends a texture packet to the client.
147 /// </summary>
148 private void SendPacket()
149 {
150 if (PacketCounter <= NumPackets)
151 {
152 if (PacketCounter == 0)
153 {
154 if (NumPackets == 0)
155 {
156 RequestUser.SendImageFirstPart(1, m_asset.FullID, (uint)m_asset.Data.Length, m_asset.Data, 2);
157 PacketCounter++;
158 }
159 else
160 {
161 byte[] ImageData1 = new byte[600];
162 Array.Copy(m_asset.Data, 0, ImageData1, 0, 600);
163
164 RequestUser.SendImageFirstPart(
165 (ushort)(NumPackets), m_asset.FullID, (uint)m_asset.Data.Length, ImageData1, 2);
166 PacketCounter++;
167 }
168 }
169 else
170 {
171 int size = m_asset.Data.Length - 600 - (1000 * (PacketCounter - 1));
172 if (size > 1000) size = 1000;
173 byte[] imageData = new byte[size];
174 try
175 {
176 Array.Copy(m_asset.Data, 600 + (1000 * (PacketCounter - 1)), imageData, 0, size);
177 }
178 catch (ArgumentOutOfRangeException)
179 {
180 m_log.Error("[TEXTURE SENDER]: Unable to separate texture into multiple packets: Array bounds failure on asset:" +
181 m_asset.ID);
182 return;
183 }
184
185 RequestUser.SendImageNextPart((ushort)PacketCounter, m_asset.FullID, imageData);
186 PacketCounter++;
187 }
188 }
189 }
190
191 /// <summary>
192 /// Calculate the number of packets that will be required to send the texture loaded into this sender
193 /// This is actually the number of 1000 byte packets not including an initial 600 byte packet...
194 /// </summary>
195 /// <param name="length"></param>
196 /// <returns></returns>
197 private int CalculateNumPackets(int length)
198 {
199 int numPackets = 0;
200
201 if (length > 600)
202 {
203 //over 600 bytes so split up file
204 int restData = (length - 600);
205 int restPackets = ((restData + 999) / 1000);
206 numPackets = restPackets;
207 }
208
209 return numPackets;
210 }
211 }
212}
generated by cgit v1.1 at 2024-07-01 07:10:35 +0000