diff options
Diffstat (limited to '')
-rw-r--r-- | OpenSim/Region/Environment/Modules/Agent/TextureSender/TextureSender.cs (renamed from OpenSim/Region/Environment/Modules/TextureSender.cs) | 440 |
1 files changed, 220 insertions, 220 deletions
diff --git a/OpenSim/Region/Environment/Modules/TextureSender.cs b/OpenSim/Region/Environment/Modules/Agent/TextureSender/TextureSender.cs index e54a1a2..37b0652 100644 --- a/OpenSim/Region/Environment/Modules/TextureSender.cs +++ b/OpenSim/Region/Environment/Modules/Agent/TextureSender/TextureSender.cs | |||
@@ -1,220 +1,220 @@ | |||
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 | 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 | /// <summary> | 51 | /// <summary> |
52 | /// Holds the texture asset to send. | 52 | /// Holds the texture asset to send. |
53 | /// </summary> | 53 | /// </summary> |
54 | private AssetBase m_asset; | 54 | private AssetBase m_asset; |
55 | 55 | ||
56 | //public LLUUID assetID { get { return m_asset.FullID; } } | 56 | //public LLUUID assetID { get { return m_asset.FullID; } } |
57 | 57 | ||
58 | /// <summary> | 58 | /// <summary> |
59 | /// This is actually the number of extra packets required to send the texture data! We always assume | 59 | /// This is actually the number of extra packets required to send the texture data! We always assume |
60 | /// at least one is required. | 60 | /// at least one is required. |
61 | /// </summary> | 61 | /// </summary> |
62 | private int NumPackets = 0; | 62 | private int NumPackets = 0; |
63 | 63 | ||
64 | /// <summary> | 64 | /// <summary> |
65 | /// Holds the packet number to send next. In this case, each packet is 1000 bytes long and starts | 65 | /// Holds the packet number to send next. In this case, each packet is 1000 bytes long and starts |
66 | /// at the 600th byte (0th indexed). | 66 | /// at the 600th byte (0th indexed). |
67 | /// </summary> | 67 | /// </summary> |
68 | private int PacketCounter = 0; | 68 | private int PacketCounter = 0; |
69 | 69 | ||
70 | // See ITextureSender | 70 | // See ITextureSender |
71 | public bool Cancel | 71 | public bool Cancel |
72 | { | 72 | { |
73 | get { return false; } | 73 | get { return false; } |
74 | set { m_cancel = value; } | 74 | set { m_cancel = value; } |
75 | } | 75 | } |
76 | 76 | ||
77 | private bool m_cancel = false; | 77 | private bool m_cancel = false; |
78 | 78 | ||
79 | // See ITextureSender | 79 | // See ITextureSender |
80 | public bool Sending | 80 | public bool Sending |
81 | { | 81 | { |
82 | get { return false; } | 82 | get { return false; } |
83 | set { m_sending = value; } | 83 | set { m_sending = value; } |
84 | } | 84 | } |
85 | 85 | ||
86 | private bool m_sending = false; | 86 | private bool m_sending = false; |
87 | 87 | ||
88 | public bool ImageLoaded = false; | 88 | public bool ImageLoaded = false; |
89 | 89 | ||
90 | private IClientAPI RequestUser; | 90 | private IClientAPI RequestUser; |
91 | 91 | ||
92 | private int RequestedDiscardLevel = -1; | 92 | private int RequestedDiscardLevel = -1; |
93 | private uint StartPacketNumber = 0; | 93 | private uint StartPacketNumber = 0; |
94 | 94 | ||
95 | public TextureSender(IClientAPI client, int discardLevel, uint packetNumber) | 95 | public TextureSender(IClientAPI client, int discardLevel, uint packetNumber) |
96 | { | 96 | { |
97 | RequestUser = client; | 97 | RequestUser = client; |
98 | RequestedDiscardLevel = discardLevel; | 98 | RequestedDiscardLevel = discardLevel; |
99 | StartPacketNumber = packetNumber; | 99 | StartPacketNumber = packetNumber; |
100 | } | 100 | } |
101 | 101 | ||
102 | /// <summary> | 102 | /// <summary> |
103 | /// Load up the texture data to send. | 103 | /// Load up the texture data to send. |
104 | /// </summary> | 104 | /// </summary> |
105 | /// <param name="asset"> | 105 | /// <param name="asset"> |
106 | /// A <see cref="AssetBase"/> | 106 | /// A <see cref="AssetBase"/> |
107 | /// </param> | 107 | /// </param> |
108 | public void TextureReceived(AssetBase asset) | 108 | public void TextureReceived(AssetBase asset) |
109 | { | 109 | { |
110 | m_asset = asset; | 110 | m_asset = asset; |
111 | NumPackets = CalculateNumPackets(asset.Data.Length); | 111 | NumPackets = CalculateNumPackets(asset.Data.Length); |
112 | PacketCounter = (int) StartPacketNumber; | 112 | PacketCounter = (int) StartPacketNumber; |
113 | ImageLoaded = true; | 113 | ImageLoaded = true; |
114 | } | 114 | } |
115 | 115 | ||
116 | // See ITextureSender | 116 | // See ITextureSender |
117 | public void UpdateRequest(int discardLevel, uint packetNumber) | 117 | public void UpdateRequest(int discardLevel, uint packetNumber) |
118 | { | 118 | { |
119 | RequestedDiscardLevel = discardLevel; | 119 | RequestedDiscardLevel = discardLevel; |
120 | StartPacketNumber = packetNumber; | 120 | StartPacketNumber = packetNumber; |
121 | PacketCounter = (int) StartPacketNumber; | 121 | PacketCounter = (int) StartPacketNumber; |
122 | } | 122 | } |
123 | 123 | ||
124 | // See ITextureSender | 124 | // See ITextureSender |
125 | public bool SendTexturePacket() | 125 | public bool SendTexturePacket() |
126 | { | 126 | { |
127 | //m_log.DebugFormat("[TEXTURE SENDER]: Sending packet for {0}", m_asset.FullID); | 127 | //m_log.DebugFormat("[TEXTURE SENDER]: Sending packet for {0}", m_asset.FullID); |
128 | 128 | ||
129 | SendPacket(); | 129 | SendPacket(); |
130 | counter++; | 130 | counter++; |
131 | if ((NumPackets == 0) || (RequestedDiscardLevel == -1) || (PacketCounter > NumPackets) || | 131 | if ((NumPackets == 0) || (RequestedDiscardLevel == -1) || (PacketCounter > NumPackets) || |
132 | ((RequestedDiscardLevel > 0) && (counter > 50 + (NumPackets/(RequestedDiscardLevel + 1))))) | 132 | ((RequestedDiscardLevel > 0) && (counter > 50 + (NumPackets/(RequestedDiscardLevel + 1))))) |
133 | { | 133 | { |
134 | return true; | 134 | return true; |
135 | } | 135 | } |
136 | return false; | 136 | return false; |
137 | } | 137 | } |
138 | 138 | ||
139 | /// <summary> | 139 | /// <summary> |
140 | /// Sends a texture packet to the client. | 140 | /// Sends a texture packet to the client. |
141 | /// </summary> | 141 | /// </summary> |
142 | private void SendPacket() | 142 | private void SendPacket() |
143 | { | 143 | { |
144 | if (PacketCounter <= NumPackets) | 144 | if (PacketCounter <= NumPackets) |
145 | { | 145 | { |
146 | if (PacketCounter == 0) | 146 | if (PacketCounter == 0) |
147 | { | 147 | { |
148 | if (NumPackets == 0) | 148 | if (NumPackets == 0) |
149 | { | 149 | { |
150 | ImageDataPacket im = new ImageDataPacket(); | 150 | ImageDataPacket im = new ImageDataPacket(); |
151 | im.Header.Reliable = false; | 151 | im.Header.Reliable = false; |
152 | im.ImageID.Packets = 1; | 152 | im.ImageID.Packets = 1; |
153 | im.ImageID.ID = m_asset.FullID; | 153 | im.ImageID.ID = m_asset.FullID; |
154 | im.ImageID.Size = (uint) m_asset.Data.Length; | 154 | im.ImageID.Size = (uint) m_asset.Data.Length; |
155 | im.ImageData.Data = m_asset.Data; | 155 | im.ImageData.Data = m_asset.Data; |
156 | im.ImageID.Codec = 2; | 156 | im.ImageID.Codec = 2; |
157 | RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); | 157 | RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); |
158 | PacketCounter++; | 158 | PacketCounter++; |
159 | } | 159 | } |
160 | else | 160 | else |
161 | { | 161 | { |
162 | ImageDataPacket im = new ImageDataPacket(); | 162 | ImageDataPacket im = new ImageDataPacket(); |
163 | im.Header.Reliable = false; | 163 | im.Header.Reliable = false; |
164 | im.ImageID.Packets = (ushort) (NumPackets); | 164 | im.ImageID.Packets = (ushort) (NumPackets); |
165 | im.ImageID.ID = m_asset.FullID; | 165 | im.ImageID.ID = m_asset.FullID; |
166 | im.ImageID.Size = (uint) m_asset.Data.Length; | 166 | im.ImageID.Size = (uint) m_asset.Data.Length; |
167 | im.ImageData.Data = new byte[600]; | 167 | im.ImageData.Data = new byte[600]; |
168 | Array.Copy(m_asset.Data, 0, im.ImageData.Data, 0, 600); | 168 | Array.Copy(m_asset.Data, 0, im.ImageData.Data, 0, 600); |
169 | im.ImageID.Codec = 2; | 169 | im.ImageID.Codec = 2; |
170 | RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); | 170 | RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); |
171 | PacketCounter++; | 171 | PacketCounter++; |
172 | } | 172 | } |
173 | } | 173 | } |
174 | else | 174 | else |
175 | { | 175 | { |
176 | ImagePacketPacket im = new ImagePacketPacket(); | 176 | ImagePacketPacket im = new ImagePacketPacket(); |
177 | im.Header.Reliable = false; | 177 | im.Header.Reliable = false; |
178 | im.ImageID.Packet = (ushort) (PacketCounter); | 178 | im.ImageID.Packet = (ushort) (PacketCounter); |
179 | im.ImageID.ID = m_asset.FullID; | 179 | im.ImageID.ID = m_asset.FullID; |
180 | int size = m_asset.Data.Length - 600 - (1000*(PacketCounter - 1)); | 180 | int size = m_asset.Data.Length - 600 - (1000*(PacketCounter - 1)); |
181 | if (size > 1000) size = 1000; | 181 | if (size > 1000) size = 1000; |
182 | im.ImageData.Data = new byte[size]; | 182 | im.ImageData.Data = new byte[size]; |
183 | try | 183 | try |
184 | { | 184 | { |
185 | Array.Copy(m_asset.Data, 600 + (1000*(PacketCounter - 1)), im.ImageData.Data, 0, size); | 185 | Array.Copy(m_asset.Data, 600 + (1000*(PacketCounter - 1)), im.ImageData.Data, 0, size); |
186 | } | 186 | } |
187 | catch (ArgumentOutOfRangeException) | 187 | catch (ArgumentOutOfRangeException) |
188 | { | 188 | { |
189 | m_log.Error("[TEXTURE SENDER]: Unable to separate texture into multiple packets: Array bounds failure on asset:" + | 189 | m_log.Error("[TEXTURE SENDER]: Unable to separate texture into multiple packets: Array bounds failure on asset:" + |
190 | m_asset.FullID.ToString() ); | 190 | m_asset.FullID.ToString() ); |
191 | return; | 191 | return; |
192 | } | 192 | } |
193 | RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); | 193 | RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); |
194 | PacketCounter++; | 194 | PacketCounter++; |
195 | } | 195 | } |
196 | } | 196 | } |
197 | } | 197 | } |
198 | 198 | ||
199 | /// <summary> | 199 | /// <summary> |
200 | /// Calculate the number of packets that will be required to send the texture loaded into this sender | 200 | /// Calculate the number of packets that will be required to send the texture loaded into this sender |
201 | /// This is actually the number of 1000 byte packets not including an initial 600 byte packet... | 201 | /// This is actually the number of 1000 byte packets not including an initial 600 byte packet... |
202 | /// </summary> | 202 | /// </summary> |
203 | /// <param name="length"></param> | 203 | /// <param name="length"></param> |
204 | /// <returns></returns> | 204 | /// <returns></returns> |
205 | private int CalculateNumPackets(int length) | 205 | private int CalculateNumPackets(int length) |
206 | { | 206 | { |
207 | int numPackets = 0; | 207 | int numPackets = 0; |
208 | 208 | ||
209 | if (length > 600) | 209 | if (length > 600) |
210 | { | 210 | { |
211 | //over 600 bytes so split up file | 211 | //over 600 bytes so split up file |
212 | int restData = (length - 600); | 212 | int restData = (length - 600); |
213 | int restPackets = ((restData + 999)/1000); | 213 | int restPackets = ((restData + 999)/1000); |
214 | numPackets = restPackets; | 214 | numPackets = restPackets; |
215 | } | 215 | } |
216 | 216 | ||
217 | return numPackets; | 217 | return numPackets; |
218 | } | 218 | } |
219 | } | 219 | } |
220 | } | 220 | } \ No newline at end of file |