From d51ce47b2d7635b17f3dd429158e8f59b78b83aa Mon Sep 17 00:00:00 2001 From: Jeff Ames Date: Thu, 1 May 2008 14:31:30 +0000 Subject: Update svn properties. Minor formatting cleanup. --- .../Modules/Agent/TextureSender/TextureSender.cs | 444 ++++++++++----------- 1 file changed, 222 insertions(+), 222 deletions(-) (limited to 'OpenSim/Region/Environment/Modules/Agent/TextureSender') 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 @@ -/* - * Copyright (c) Contributors, http://opensimulator.org/ - * See CONTRIBUTORS.TXT for a full list of copyright holders. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * * Neither the name of the OpenSim Project nor the - * names of its contributors may be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED - * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY - * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES - * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -using System; -using System.Reflection; -using libsecondlife.Packets; -using log4net; -using OpenSim.Framework; -using OpenSim.Region.Environment.Interfaces; - -namespace OpenSim.Region.Environment.Modules.Agent.TextureSender -{ - /// - /// A TextureSender handles the process of receiving a texture requested by the client from the - /// AssetCache, and then sending that texture back to the client. - /// - public class TextureSender : ITextureSender - { - private static readonly ILog m_log - = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); - - /// - /// Records the number of times texture send has been called. - /// - public int counter = 0; - - public bool ImageLoaded = false; - - /// - /// Holds the texture asset to send. - /// - private AssetBase m_asset; - - //public LLUUID assetID { get { return m_asset.FullID; } } - - private bool m_cancel = false; - - // See ITextureSender - - private bool m_sending = false; - - /// - /// This is actually the number of extra packets required to send the texture data! We always assume - /// at least one is required. - /// - private int NumPackets = 0; - - /// - /// Holds the packet number to send next. In this case, each packet is 1000 bytes long and starts - /// at the 600th byte (0th indexed). - /// - private int PacketCounter = 0; - - private int RequestedDiscardLevel = -1; - private IClientAPI RequestUser; - private uint StartPacketNumber = 0; - - public TextureSender(IClientAPI client, int discardLevel, uint packetNumber) - { - RequestUser = client; - RequestedDiscardLevel = discardLevel; - StartPacketNumber = packetNumber; - } - - #region ITextureSender Members - - public bool Cancel - { - get { return false; } - set { m_cancel = value; } - } - - public bool Sending - { - get { return false; } - set { m_sending = value; } - } - - // See ITextureSender - public void UpdateRequest(int discardLevel, uint packetNumber) - { - RequestedDiscardLevel = discardLevel; - StartPacketNumber = packetNumber; - PacketCounter = (int) StartPacketNumber; - } - - // See ITextureSender - public bool SendTexturePacket() - { - //m_log.DebugFormat("[TEXTURE SENDER]: Sending packet for {0}", m_asset.FullID); - - SendPacket(); - counter++; - if ((NumPackets == 0) || (RequestedDiscardLevel == -1) || (PacketCounter > NumPackets) || - ((RequestedDiscardLevel > 0) && (counter > 50 + (NumPackets / (RequestedDiscardLevel + 1))))) - { - return true; - } - return false; - } - - #endregion - - /// - /// Load up the texture data to send. - /// - /// - /// A - /// - public void TextureReceived(AssetBase asset) - { - m_asset = asset; - NumPackets = CalculateNumPackets(asset.Data.Length); - PacketCounter = (int) StartPacketNumber; - ImageLoaded = true; - } - - /// - /// Sends a texture packet to the client. - /// - private void SendPacket() - { - if (PacketCounter <= NumPackets) - { - if (PacketCounter == 0) - { - if (NumPackets == 0) - { - ImageDataPacket im = new ImageDataPacket(); - im.Header.Reliable = false; - im.ImageID.Packets = 1; - im.ImageID.ID = m_asset.FullID; - im.ImageID.Size = (uint) m_asset.Data.Length; - im.ImageData.Data = m_asset.Data; - im.ImageID.Codec = 2; - RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); - PacketCounter++; - } - else - { - ImageDataPacket im = new ImageDataPacket(); - im.Header.Reliable = false; - im.ImageID.Packets = (ushort) (NumPackets); - im.ImageID.ID = m_asset.FullID; - im.ImageID.Size = (uint) m_asset.Data.Length; - im.ImageData.Data = new byte[600]; - Array.Copy(m_asset.Data, 0, im.ImageData.Data, 0, 600); - im.ImageID.Codec = 2; - RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); - PacketCounter++; - } - } - else - { - ImagePacketPacket im = new ImagePacketPacket(); - im.Header.Reliable = false; - im.ImageID.Packet = (ushort) (PacketCounter); - im.ImageID.ID = m_asset.FullID; - int size = m_asset.Data.Length - 600 - (1000 * (PacketCounter - 1)); - if (size > 1000) size = 1000; - im.ImageData.Data = new byte[size]; - try - { - Array.Copy(m_asset.Data, 600 + (1000 * (PacketCounter - 1)), im.ImageData.Data, 0, size); - } - catch (ArgumentOutOfRangeException) - { - m_log.Error("[TEXTURE SENDER]: Unable to separate texture into multiple packets: Array bounds failure on asset:" + - m_asset.FullID.ToString()); - return; - } - RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); - PacketCounter++; - } - } - } - - /// - /// Calculate the number of packets that will be required to send the texture loaded into this sender - /// This is actually the number of 1000 byte packets not including an initial 600 byte packet... - /// - /// - /// - private int CalculateNumPackets(int length) - { - int numPackets = 0; - - if (length > 600) - { - //over 600 bytes so split up file - int restData = (length - 600); - int restPackets = ((restData + 999) / 1000); - numPackets = restPackets; - } - - return numPackets; - } - } +/* + * Copyright (c) Contributors, http://opensimulator.org/ + * See CONTRIBUTORS.TXT for a full list of copyright holders. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * * Neither the name of the OpenSim Project nor the + * names of its contributors may be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +using System; +using System.Reflection; +using libsecondlife.Packets; +using log4net; +using OpenSim.Framework; +using OpenSim.Region.Environment.Interfaces; + +namespace OpenSim.Region.Environment.Modules.Agent.TextureSender +{ + /// + /// A TextureSender handles the process of receiving a texture requested by the client from the + /// AssetCache, and then sending that texture back to the client. + /// + public class TextureSender : ITextureSender + { + private static readonly ILog m_log + = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); + + /// + /// Records the number of times texture send has been called. + /// + public int counter = 0; + + public bool ImageLoaded = false; + + /// + /// Holds the texture asset to send. + /// + private AssetBase m_asset; + + //public LLUUID assetID { get { return m_asset.FullID; } } + + private bool m_cancel = false; + + // See ITextureSender + + private bool m_sending = false; + + /// + /// This is actually the number of extra packets required to send the texture data! We always assume + /// at least one is required. + /// + private int NumPackets = 0; + + /// + /// Holds the packet number to send next. In this case, each packet is 1000 bytes long and starts + /// at the 600th byte (0th indexed). + /// + private int PacketCounter = 0; + + private int RequestedDiscardLevel = -1; + private IClientAPI RequestUser; + private uint StartPacketNumber = 0; + + public TextureSender(IClientAPI client, int discardLevel, uint packetNumber) + { + RequestUser = client; + RequestedDiscardLevel = discardLevel; + StartPacketNumber = packetNumber; + } + + #region ITextureSender Members + + public bool Cancel + { + get { return false; } + set { m_cancel = value; } + } + + public bool Sending + { + get { return false; } + set { m_sending = value; } + } + + // See ITextureSender + public void UpdateRequest(int discardLevel, uint packetNumber) + { + RequestedDiscardLevel = discardLevel; + StartPacketNumber = packetNumber; + PacketCounter = (int) StartPacketNumber; + } + + // See ITextureSender + public bool SendTexturePacket() + { + //m_log.DebugFormat("[TEXTURE SENDER]: Sending packet for {0}", m_asset.FullID); + + SendPacket(); + counter++; + if ((NumPackets == 0) || (RequestedDiscardLevel == -1) || (PacketCounter > NumPackets) || + ((RequestedDiscardLevel > 0) && (counter > 50 + (NumPackets / (RequestedDiscardLevel + 1))))) + { + return true; + } + return false; + } + + #endregion + + /// + /// Load up the texture data to send. + /// + /// + /// A + /// + public void TextureReceived(AssetBase asset) + { + m_asset = asset; + NumPackets = CalculateNumPackets(asset.Data.Length); + PacketCounter = (int) StartPacketNumber; + ImageLoaded = true; + } + + /// + /// Sends a texture packet to the client. + /// + private void SendPacket() + { + if (PacketCounter <= NumPackets) + { + if (PacketCounter == 0) + { + if (NumPackets == 0) + { + ImageDataPacket im = new ImageDataPacket(); + im.Header.Reliable = false; + im.ImageID.Packets = 1; + im.ImageID.ID = m_asset.FullID; + im.ImageID.Size = (uint) m_asset.Data.Length; + im.ImageData.Data = m_asset.Data; + im.ImageID.Codec = 2; + RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); + PacketCounter++; + } + else + { + ImageDataPacket im = new ImageDataPacket(); + im.Header.Reliable = false; + im.ImageID.Packets = (ushort) (NumPackets); + im.ImageID.ID = m_asset.FullID; + im.ImageID.Size = (uint) m_asset.Data.Length; + im.ImageData.Data = new byte[600]; + Array.Copy(m_asset.Data, 0, im.ImageData.Data, 0, 600); + im.ImageID.Codec = 2; + RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); + PacketCounter++; + } + } + else + { + ImagePacketPacket im = new ImagePacketPacket(); + im.Header.Reliable = false; + im.ImageID.Packet = (ushort) (PacketCounter); + im.ImageID.ID = m_asset.FullID; + int size = m_asset.Data.Length - 600 - (1000 * (PacketCounter - 1)); + if (size > 1000) size = 1000; + im.ImageData.Data = new byte[size]; + try + { + Array.Copy(m_asset.Data, 600 + (1000 * (PacketCounter - 1)), im.ImageData.Data, 0, size); + } + catch (ArgumentOutOfRangeException) + { + m_log.Error("[TEXTURE SENDER]: Unable to separate texture into multiple packets: Array bounds failure on asset:" + + m_asset.FullID.ToString()); + return; + } + RequestUser.OutPacket(im, ThrottleOutPacketType.Texture); + PacketCounter++; + } + } + } + + /// + /// Calculate the number of packets that will be required to send the texture loaded into this sender + /// This is actually the number of 1000 byte packets not including an initial 600 byte packet... + /// + /// + /// + private int CalculateNumPackets(int length) + { + int numPackets = 0; + + if (length > 600) + { + //over 600 bytes so split up file + int restData = (length - 600); + int restPackets = ((restData + 999) / 1000); + numPackets = restPackets; + } + + return numPackets; + } + } } \ No newline at end of file -- cgit v1.1