diff options
Diffstat (limited to 'OpenSim/Region/Environment/Modules/Agent/TextureSender')
-rw-r--r-- | OpenSim/Region/Environment/Modules/Agent/TextureSender/TextureSender.cs | 444 |
1 files changed, 222 insertions, 222 deletions
diff --git a/OpenSim/Region/Environment/Modules/Agent/TextureSender/TextureSender.cs b/OpenSim/Region/Environment/Modules/Agent/TextureSender/TextureSender.cs index b6f7095..02c541b 100644 --- a/OpenSim/Region/Environment/Modules/Agent/TextureSender/TextureSender.cs +++ b/OpenSim/Region/Environment/Modules/Agent/TextureSender/TextureSender.cs | |||
@@ -1,223 +1,223 @@ | |||
1 | /* | 1 | /* |
2 | * Copyright (c) Contributors, http://opensimulator.org/ | 2 | * Copyright (c) Contributors, http://opensimulator.org/ |
3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. | 3 | * See CONTRIBUTORS.TXT for a full list of copyright holders. |
4 | * | 4 | * |
5 | * Redistribution and use in source and binary forms, with or without | 5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions are met: | 6 | * modification, are permitted provided that the following conditions are met: |
7 | * * Redistributions of source code must retain the above copyright | 7 | * * Redistributions of source code must retain the above copyright |
8 | * notice, this list of conditions and the following disclaimer. | 8 | * notice, this list of conditions and the following disclaimer. |
9 | * * Redistributions in binary form must reproduce the above copyright | 9 | * * Redistributions in binary form must reproduce the above copyright |
10 | * notice, this list of conditions and the following disclaimer in the | 10 | * notice, this list of conditions and the following disclaimer in the |
11 | * documentation and/or other materials provided with the distribution. | 11 | * documentation and/or other materials provided with the distribution. |
12 | * * Neither the name of the OpenSim Project nor the | 12 | * * Neither the name of the OpenSim Project nor the |
13 | * names of its contributors may be used to endorse or promote products | 13 | * names of its contributors may be used to endorse or promote products |
14 | * derived from this software without specific prior written permission. | 14 | * derived from this software without specific prior written permission. |
15 | * | 15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY | 16 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY |
17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | 17 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | 18 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY | 19 | * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY |
20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | 20 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
21 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | 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 | 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 | 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 | 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. | 25 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | */ | 26 | */ |
27 | 27 | ||
28 | using System; | 28 | using System; |
29 | using System.Reflection; | 29 | using System.Reflection; |
30 | using libsecondlife.Packets; | 30 | using libsecondlife.Packets; |
31 | using log4net; | 31 | using log4net; |
32 | using OpenSim.Framework; | 32 | using OpenSim.Framework; |
33 | using OpenSim.Region.Environment.Interfaces; | 33 | using OpenSim.Region.Environment.Interfaces; |
34 | 34 | ||
35 | namespace OpenSim.Region.Environment.Modules.Agent.TextureSender | 35 | namespace OpenSim.Region.Environment.Modules.Agent.TextureSender |
36 | { | 36 | { |
37 | /// <summary> | 37 | /// <summary> |
38 | /// A TextureSender handles the process of receiving a texture requested by the client from the | 38 | /// A TextureSender handles the process of receiving a texture requested by the client from the |
39 | /// AssetCache, and then sending that texture back to the client. | 39 | /// AssetCache, and then sending that texture back to the client. |
40 | /// </summary> | 40 | /// </summary> |
41 | public class TextureSender : ITextureSender | 41 | public class TextureSender : ITextureSender |
42 | { | 42 | { |
43 | private static readonly ILog m_log | 43 | private static readonly ILog m_log |
44 | = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); | 44 | = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); |
45 | 45 | ||
46 | /// <summary> | 46 | /// <summary> |
47 | /// Records the number of times texture send has been called. | 47 | /// Records the number of times texture send has been called. |
48 | /// </summary> | 48 | /// </summary> |
49 | public int counter = 0; | 49 | public int counter = 0; |
50 | 50 | ||
51 | public bool ImageLoaded = false; | 51 | public bool ImageLoaded = false; |
52 | 52 | ||
53 | /// <summary> | 53 | /// <summary> |
54 | /// Holds the texture asset to send. | 54 | /// Holds the texture asset to send. |
55 | /// </summary> | 55 | /// </summary> |
56 | private AssetBase m_asset; | 56 | private AssetBase m_asset; |
57 | 57 | ||
58 | //public LLUUID assetID { get { return m_asset.FullID; } } | 58 | //public LLUUID assetID { get { return m_asset.FullID; } } |
59 | 59 | ||
60 | private bool m_cancel = false; | 60 | private bool m_cancel = false; |
61 | 61 | ||
62 | // See ITextureSender | 62 | // See ITextureSender |
63 | 63 | ||
64 | private bool m_sending = false; | 64 | private bool m_sending = false; |
65 | 65 | ||
66 | /// <summary> | 66 | /// <summary> |
67 | /// This is actually the number of extra packets required to send the texture data! We always assume | 67 | /// This is actually the number of extra packets required to send the texture data! We always assume |
68 | /// at least one is required. | 68 | /// at least one is required. |
69 | /// </summary> | 69 | /// </summary> |
70 | private int NumPackets = 0; | 70 | private int NumPackets = 0; |
71 | 71 | ||
72 | /// <summary> | 72 | /// <summary> |
73 | /// Holds the packet number to send next. In this case, each packet is 1000 bytes long and starts | 73 | /// Holds the packet number to send next. In this case, each packet is 1000 bytes long and starts |
74 | /// at the 600th byte (0th indexed). | 74 | /// at the 600th byte (0th indexed). |
75 | /// </summary> | 75 | /// </summary> |
76 | private int PacketCounter = 0; | 76 | private int PacketCounter = 0; |
77 | 77 | ||
78 | private int RequestedDiscardLevel = -1; | 78 | private int RequestedDiscardLevel = -1; |
79 | private IClientAPI RequestUser; | 79 | private IClientAPI RequestUser; |
80 | private uint StartPacketNumber = 0; | 80 | private uint StartPacketNumber = 0; |
81 | 81 | ||
82 | public TextureSender(IClientAPI client, int discardLevel, uint packetNumber) | 82 | public TextureSender(IClientAPI client, int discardLevel, uint packetNumber) |
83 | { | 83 | { |
84 | RequestUser = client; | 84 | RequestUser = client; |
85 | RequestedDiscardLevel = discardLevel; | 85 | RequestedDiscardLevel = discardLevel; |
86 | StartPacketNumber = packetNumber; | 86 | StartPacketNumber = packetNumber; |
87 | } | 87 | } |
88 | 88 | ||
89 | #region ITextureSender Members | 89 | #region ITextureSender Members |
90 | 90 | ||
91 | public bool Cancel | 91 | public bool Cancel |
92 | { | 92 | { |
93 | get { return false; } | 93 | get { return false; } |
94 | set { m_cancel = value; } | 94 | set { m_cancel = value; } |
95 | } | 95 | } |
96 | 96 | ||
97 | public bool Sending | 97 | public bool Sending |
98 | { | 98 | { |
99 | get { return false; } | 99 | get { return false; } |
100 | set { m_sending = value; } | 100 | set { m_sending = value; } |
101 | } | 101 | } |
102 | 102 | ||
103 | // See ITextureSender | 103 | // See ITextureSender |
104 | public void UpdateRequest(int discardLevel, uint packetNumber) | 104 | public void UpdateRequest(int discardLevel, uint packetNumber) |
105 | { | 105 | { |
106 | RequestedDiscardLevel = discardLevel; | 106 | RequestedDiscardLevel = discardLevel; |
107 | StartPacketNumber = packetNumber; | 107 | StartPacketNumber = packetNumber; |
108 | PacketCounter = (int) StartPacketNumber; | 108 | PacketCounter = (int) StartPacketNumber; |
109 | } | 109 | } |
110 | 110 | ||
111 | // See ITextureSender | 111 | // See ITextureSender |
112 | public bool SendTexturePacket() | 112 | public bool SendTexturePacket() |
113 | { | 113 | { |
114 | //m_log.DebugFormat("[TEXTURE SENDER]: Sending packet for {0}", m_asset.FullID); | 114 | //m_log.DebugFormat("[TEXTURE SENDER]: Sending packet for {0}", m_asset.FullID); |
115 | 115 | ||
116 | SendPacket(); | 116 | SendPacket(); |
117 | counter++; | 117 | counter++; |
118 | if ((NumPackets == 0) || (RequestedDiscardLevel == -1) || (PacketCounter > NumPackets) || | 118 | if ((NumPackets == 0) || (RequestedDiscardLevel == -1) || (PacketCounter > NumPackets) || |
119 | ((RequestedDiscardLevel > 0) && (counter > 50 + (NumPackets / (RequestedDiscardLevel + 1))))) | 119 | ((RequestedDiscardLevel > 0) && (counter > 50 + (NumPackets / (RequestedDiscardLevel + 1))))) |
120 | { | 120 | { |
121 | return true; | 121 | return true; |
122 | } | 122 | } |
123 | return false; | 123 | return false; |
124 | } | 124 | } |
125 | 125 | ||
126 | #endregion | 126 | #endregion |
127 | 127 | ||
128 | /// <summary> | 128 | /// <summary> |
129 | /// Load up the texture data to send. | 129 | /// Load up the texture data to send. |
130 | /// </summary> | 130 | /// </summary> |
131 | /// <param name="asset"> | 131 | /// <param name="asset"> |
132 | /// A <see cref="AssetBase"/> | 132 | /// A <see cref="AssetBase"/> |
133 | /// </param> | 133 | /// </param> |
134 | public void TextureReceived(AssetBase asset) | 134 | public void TextureReceived(AssetBase asset) |
135 | { | 135 | { |
136 | m_asset = asset; | 136 | m_asset = asset; |
137 | NumPackets = CalculateNumPackets(asset.Data.Length); | 137 | NumPackets = CalculateNumPackets(asset.Data.Length); |
138 | PacketCounter = (int) StartPacketNumber; | 138 | PacketCounter = (int) StartPacketNumber; |
139 | ImageLoaded = true; | 139 | ImageLoaded = true; |
140 | } | 140 | } |
141 | 141 | ||
142 | /// <summary> | 142 | /// <summary> |
143 | /// Sends a texture packet to the client. | 143 | /// Sends a texture packet to the client. |
144 | /// </summary> | 144 | /// </summary> |
145 | private void SendPacket() | 145 | private void SendPacket() |
146 | { | 146 | { |
147 | if (PacketCounter <= NumPackets) | 147 | if (PacketCounter <= NumPackets) |
148 | { | 148 | { |
149 | if (PacketCounter == 0) | 149 | if (PacketCounter == 0) |
150 | { | 150 | { |
151 | if (NumPackets == 0) | 151 | if (NumPackets == 0) |
152 | { | 152 | { |
153 | ImageDataPacket im = new ImageDataPacket(); | 153 | ImageDataPacket im = new ImageDataPacket(); |
154 | im.Header.Reliable = false; | 154 | im.Header.Reliable = false; |
155 | im.ImageID.Packets = 1; | 155 | im.ImageID.Packets = 1; |
156 | im.ImageID.ID = m_asset.FullID; | 156 | im.ImageID.ID = m_asset.FullID; |
157 | im.ImageID.Size = (uint) m_asset.Data.Length; | 157 | im.ImageID.Size = (uint) m_asset.Data.Length; |
158 | im.ImageData.Data = m_asset.Data; | 158 | im.ImageData.Data = m_asset.Data; |
159 | im.ImageID.Codec = 2; | 159 | im.ImageID.Codec = 2; |
160 | RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); | 160 | RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); |
161 | PacketCounter++; | 161 | PacketCounter++; |
162 | } | 162 | } |
163 | else | 163 | else |
164 | { | 164 | { |
165 | ImageDataPacket im = new ImageDataPacket(); | 165 | ImageDataPacket im = new ImageDataPacket(); |
166 | im.Header.Reliable = false; | 166 | im.Header.Reliable = false; |
167 | im.ImageID.Packets = (ushort) (NumPackets); | 167 | im.ImageID.Packets = (ushort) (NumPackets); |
168 | im.ImageID.ID = m_asset.FullID; | 168 | im.ImageID.ID = m_asset.FullID; |
169 | im.ImageID.Size = (uint) m_asset.Data.Length; | 169 | im.ImageID.Size = (uint) m_asset.Data.Length; |
170 | im.ImageData.Data = new byte[600]; | 170 | im.ImageData.Data = new byte[600]; |
171 | Array.Copy(m_asset.Data, 0, im.ImageData.Data, 0, 600); | 171 | Array.Copy(m_asset.Data, 0, im.ImageData.Data, 0, 600); |
172 | im.ImageID.Codec = 2; | 172 | im.ImageID.Codec = 2; |
173 | RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); | 173 | RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); |
174 | PacketCounter++; | 174 | PacketCounter++; |
175 | } | 175 | } |
176 | } | 176 | } |
177 | else | 177 | else |
178 | { | 178 | { |
179 | ImagePacketPacket im = new ImagePacketPacket(); | 179 | ImagePacketPacket im = new ImagePacketPacket(); |
180 | im.Header.Reliable = false; | 180 | im.Header.Reliable = false; |
181 | im.ImageID.Packet = (ushort) (PacketCounter); | 181 | im.ImageID.Packet = (ushort) (PacketCounter); |
182 | im.ImageID.ID = m_asset.FullID; | 182 | im.ImageID.ID = m_asset.FullID; |
183 | int size = m_asset.Data.Length - 600 - (1000 * (PacketCounter - 1)); | 183 | int size = m_asset.Data.Length - 600 - (1000 * (PacketCounter - 1)); |
184 | if (size > 1000) size = 1000; | 184 | if (size > 1000) size = 1000; |
185 | im.ImageData.Data = new byte[size]; | 185 | im.ImageData.Data = new byte[size]; |
186 | try | 186 | try |
187 | { | 187 | { |
188 | Array.Copy(m_asset.Data, 600 + (1000 * (PacketCounter - 1)), im.ImageData.Data, 0, size); | 188 | Array.Copy(m_asset.Data, 600 + (1000 * (PacketCounter - 1)), im.ImageData.Data, 0, size); |
189 | } | 189 | } |
190 | catch (ArgumentOutOfRangeException) | 190 | catch (ArgumentOutOfRangeException) |
191 | { | 191 | { |
192 | m_log.Error("[TEXTURE SENDER]: Unable to separate texture into multiple packets: Array bounds failure on asset:" + | 192 | m_log.Error("[TEXTURE SENDER]: Unable to separate texture into multiple packets: Array bounds failure on asset:" + |
193 | m_asset.FullID.ToString()); | 193 | m_asset.FullID.ToString()); |
194 | return; | 194 | return; |
195 | } | 195 | } |
196 | RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); | 196 | RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); |
197 | PacketCounter++; | 197 | PacketCounter++; |
198 | } | 198 | } |
199 | } | 199 | } |
200 | } | 200 | } |
201 | 201 | ||
202 | /// <summary> | 202 | /// <summary> |
203 | /// Calculate the number of packets that will be required to send the texture loaded into this sender | 203 | /// Calculate the number of packets that will be required to send the texture loaded into this sender |
204 | /// This is actually the number of 1000 byte packets not including an initial 600 byte packet... | 204 | /// This is actually the number of 1000 byte packets not including an initial 600 byte packet... |
205 | /// </summary> | 205 | /// </summary> |
206 | /// <param name="length"></param> | 206 | /// <param name="length"></param> |
207 | /// <returns></returns> | 207 | /// <returns></returns> |
208 | private int CalculateNumPackets(int length) | 208 | private int CalculateNumPackets(int length) |
209 | { | 209 | { |
210 | int numPackets = 0; | 210 | int numPackets = 0; |
211 | 211 | ||
212 | if (length > 600) | 212 | if (length > 600) |
213 | { | 213 | { |
214 | //over 600 bytes so split up file | 214 | //over 600 bytes so split up file |
215 | int restData = (length - 600); | 215 | int restData = (length - 600); |
216 | int restPackets = ((restData + 999) / 1000); | 216 | int restPackets = ((restData + 999) / 1000); |
217 | numPackets = restPackets; | 217 | numPackets = restPackets; |
218 | } | 218 | } |
219 | 219 | ||
220 | return numPackets; | 220 | return numPackets; |
221 | } | 221 | } |
222 | } | 222 | } |
223 | } \ No newline at end of file | 223 | } \ No newline at end of file |