From bdc13455011c9de2877813138a49d83fc52d3142 Mon Sep 17 00:00:00 2001 From: John Hurliman Date: Fri, 2 Oct 2009 13:08:15 -0700 Subject: * Removed even more unnecessary state variables from J2KImage * Fixed the incorrect "out of memory?" exception messages and replaced them with useful information * Cleaned up J2KImage and LLImageManager to conform to coding conventions --- OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs | 278 +++++++++------------ .../Region/ClientStack/LindenUDP/LLImageManager.cs | 46 ++-- 2 files changed, 142 insertions(+), 182 deletions(-) (limited to 'OpenSim/Region') diff --git a/OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs b/OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs index 5f549b5..0e3630c 100644 --- a/OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs +++ b/OpenSim/Region/ClientStack/LindenUDP/J2KImage.cs @@ -47,69 +47,26 @@ namespace OpenSim.Region.ClientStack.LindenUDP private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType); - public uint m_lastSequence; - public float m_requestedPriority; - public uint m_requestedPacketNumber; - public sbyte m_requestedDiscardLevel; - public UUID m_requestedUUID; - public IJ2KDecoder m_j2kDecodeModule; - public IAssetService m_assetCache; - public OpenJPEG.J2KLayerInfo[] m_layers; - public bool m_decoded; - public bool m_hasasset; - public C5.IPriorityQueueHandle m_priorityQueueHandle; - - private uint m_packetNumber; - private bool m_decoderequested; - private bool m_asset_requested; - private bool m_sentinfo; + public uint LastSequence; + public float Priority; + public uint StartPacket; + public sbyte DiscardLevel; + public UUID TextureID; + public IJ2KDecoder J2KDecoder; + public IAssetService AssetService; + public OpenJPEG.J2KLayerInfo[] Layers; + public bool IsDecoded; + public bool HasAsset; + public C5.IPriorityQueueHandle PriorityQueueHandle; + + private uint m_currentPacket; + private bool m_decodeRequested; + private bool m_assetRequested; + private bool m_sentInfo; private uint m_stopPacket; - private AssetBase m_asset; - private int m_assetDataLength; + private byte[] m_asset; private LLImageManager m_imageManager; - #region Properties - - public uint m_pPacketNumber - { - get { return m_packetNumber; } - } - public uint m_pStopPacketNumber - { - get { return m_stopPacket; } - } - - public byte[] Data - { - get - { - if (m_asset != null) - return m_asset.Data; - else - return null; - } - } - - public ushort TexturePacketCount() - { - if (!m_decoded) - return 0; - - try - { - return (ushort)(((m_assetDataLength - FIRST_PACKET_SIZE + IMAGE_PACKET_SIZE - 1) / IMAGE_PACKET_SIZE) + 1); - } - catch (Exception) - { - // If the asset is missing/destroyed/truncated, we will land - // here - // - return 0; - } - } - - #endregion Properties - public J2KImage(LLImageManager imageManager) { m_imageManager = imageManager; @@ -117,33 +74,32 @@ namespace OpenSim.Region.ClientStack.LindenUDP public bool SendPackets(LLClientView client, int maxpack) { - if (m_packetNumber <= m_stopPacket) + if (m_currentPacket <= m_stopPacket) { bool SendMore = true; - if (!m_sentinfo || (m_packetNumber == 0)) + if (!m_sentInfo || (m_currentPacket == 0)) { if (SendFirstPacket(client)) { SendMore = false; } - m_sentinfo = true; - m_packetNumber++; + m_sentInfo = true; + m_currentPacket++; } - // bool ignoreStop = false; - if (m_packetNumber < 2) + if (m_currentPacket < 2) { - m_packetNumber = 2; + m_currentPacket = 2; } int count = 0; - while (SendMore && count < maxpack && m_packetNumber <= m_stopPacket) + while (SendMore && count < maxpack && m_currentPacket <= m_stopPacket) { count++; SendMore = SendPacket(client); - m_packetNumber++; + m_currentPacket++; } - if (m_packetNumber > m_stopPacket) + if (m_currentPacket > m_stopPacket) return true; } @@ -156,68 +112,68 @@ namespace OpenSim.Region.ClientStack.LindenUDP //and assign the real discardLevel and packetNumber //assuming of course that the connected client might be bonkers - if (!m_hasasset) + if (!HasAsset) { - if (!m_asset_requested) + if (!m_assetRequested) { - m_asset_requested = true; - m_assetCache.Get(m_requestedUUID.ToString(), this, AssetReceived); + m_assetRequested = true; + AssetService.Get(TextureID.ToString(), this, AssetReceived); } } else { - if (!m_decoded) + if (!IsDecoded) { //We need to decode the requested image first - if (!m_decoderequested) + if (!m_decodeRequested) { //Request decode - m_decoderequested = true; + m_decodeRequested = true; // Do we have a jpeg decoder? - if (m_j2kDecodeModule != null) + if (J2KDecoder != null) { - if (Data == null) + if (m_asset == null) { - J2KDecodedCallback(m_requestedUUID, new OpenJPEG.J2KLayerInfo[0]); + J2KDecodedCallback(TextureID, new OpenJPEG.J2KLayerInfo[0]); } else { // Send it off to the jpeg decoder - m_j2kDecodeModule.BeginDecode(m_requestedUUID, Data, J2KDecodedCallback); + J2KDecoder.BeginDecode(TextureID, m_asset, J2KDecodedCallback); } } else { - J2KDecodedCallback(m_requestedUUID, new OpenJPEG.J2KLayerInfo[0]); + J2KDecodedCallback(TextureID, new OpenJPEG.J2KLayerInfo[0]); } } } else { // Check for missing image asset data - if (m_asset == null || m_asset.Data == null) + if (m_asset == null) { - // FIXME: - m_packetNumber = m_stopPacket; + m_log.Warn("[J2KIMAGE]: RunUpdate() called with missing asset data (no missing image texture?). Canceling texture transfer"); + m_currentPacket = m_stopPacket; return; } - if (m_requestedDiscardLevel >= 0 || m_stopPacket == 0) + if (DiscardLevel >= 0 || m_stopPacket == 0) { - int maxDiscardLevel = Math.Max(0, m_layers.Length - 1); + int maxDiscardLevel = Math.Max(0, Layers.Length - 1); // Treat initial texture downloads with a DiscardLevel of -1 a request for the highest DiscardLevel - if (m_requestedDiscardLevel < 0 && m_stopPacket == 0) - m_requestedDiscardLevel = (sbyte)maxDiscardLevel; + if (DiscardLevel < 0 && m_stopPacket == 0) + DiscardLevel = (sbyte)maxDiscardLevel; // Clamp at the highest discard level - m_requestedDiscardLevel = (sbyte)Math.Min(m_requestedDiscardLevel, maxDiscardLevel); + DiscardLevel = (sbyte)Math.Min(DiscardLevel, maxDiscardLevel); //Calculate the m_stopPacket - if (m_layers.Length > 0) + if (Layers.Length > 0) { - m_stopPacket = (uint)GetPacketForBytePosition(m_layers[(m_layers.Length - 1) - m_requestedDiscardLevel].End); + m_stopPacket = (uint)GetPacketForBytePosition(Layers[(Layers.Length - 1) - DiscardLevel].End); //I don't know why, but the viewer seems to expect the final packet if the file //is just one packet bigger. if (TexturePacketCount() == m_stopPacket + 1) @@ -230,7 +186,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP m_stopPacket = TexturePacketCount(); } - m_packetNumber = m_requestedPacketNumber; + m_currentPacket = StartPacket; } if (m_imageManager.Client.PacketHandler.GetQueueCount(ThrottleOutPacketType.Texture) == 0) @@ -242,20 +198,52 @@ namespace OpenSim.Region.ClientStack.LindenUDP } } + private bool SendFirstPacket(LLClientView client) + { + if (m_asset == null) + { + m_log.Warn("[J2KIMAGE]: Sending ImageNotInDatabase for texture " + TextureID); + client.SendImageNotFound(TextureID); + return true; + } + else if (m_asset.Length <= FIRST_PACKET_SIZE) + { + // We have less then one packet's worth of data + client.SendImageFirstPart(1, TextureID, (uint)m_asset.Length, m_asset, 2); + m_stopPacket = 0; + return true; + } + else + { + // This is going to be a multi-packet texture download + byte[] firstImageData = new byte[FIRST_PACKET_SIZE]; + + try { Buffer.BlockCopy(m_asset, 0, firstImageData, 0, FIRST_PACKET_SIZE); } + catch (Exception) + { + m_log.ErrorFormat("[J2KIMAGE]: Texture block copy for the first packet failed. textureid={0}, assetlength={1}", TextureID, m_asset.Length); + return true; + } + + client.SendImageFirstPart(TexturePacketCount(), TextureID, (uint)m_asset.Length, firstImageData, (byte)ImageCodec.J2C); + } + return false; + } + private bool SendPacket(LLClientView client) { bool complete = false; - int imagePacketSize = ((int)m_packetNumber == (TexturePacketCount())) ? LastPacketSize() : IMAGE_PACKET_SIZE; + int imagePacketSize = ((int)m_currentPacket == (TexturePacketCount())) ? LastPacketSize() : IMAGE_PACKET_SIZE; try { - if ((CurrentBytePosition() + IMAGE_PACKET_SIZE) > m_assetDataLength) + if ((CurrentBytePosition() + IMAGE_PACKET_SIZE) > m_asset.Length) { imagePacketSize = LastPacketSize(); complete = true; - if ((CurrentBytePosition() + imagePacketSize) > m_assetDataLength) + if ((CurrentBytePosition() + imagePacketSize) > m_asset.Length) { - imagePacketSize = m_assetDataLength - CurrentBytePosition(); + imagePacketSize = m_asset.Length - CurrentBytePosition(); complete = true; } } @@ -266,27 +254,21 @@ namespace OpenSim.Region.ClientStack.LindenUDP if (imagePacketSize > 0) { byte[] imageData = new byte[imagePacketSize]; - try - { - Buffer.BlockCopy(m_asset.Data, CurrentBytePosition(), imageData, 0, imagePacketSize); - } + int currentPosition = CurrentBytePosition(); + + try { Buffer.BlockCopy(m_asset, currentPosition, imageData, 0, imagePacketSize); } catch (Exception e) { - m_log.Error("Error copying texture block. Out of memory? imagePacketSize was " + imagePacketSize.ToString() + " on packet " + m_packetNumber.ToString() + " out of " + m_stopPacket.ToString() + ". Exception: " + e.ToString()); + m_log.ErrorFormat("[J2KIMAGE]: Texture block copy for the first packet failed. textureid={0}, assetlength={1}, currentposition={2}, imagepacketsize={3}, exception={4}", + TextureID, m_asset.Length, currentPosition, imagePacketSize, e.Message); return false; } //Send the packet - client.SendImageNextPart((ushort)(m_packetNumber - 1), m_requestedUUID, imageData); - } - if (complete) - { - return false; - } - else - { - return true; + client.SendImageNextPart((ushort)(m_currentPacket - 1), TextureID, imageData); } + + return !complete; } catch (Exception) { @@ -294,6 +276,20 @@ namespace OpenSim.Region.ClientStack.LindenUDP } } + private ushort TexturePacketCount() + { + if (!IsDecoded) + return 0; + + if (m_asset == null) + return 0; + + if (m_asset.Length <= FIRST_PACKET_SIZE) + return 1; + + return (ushort)(((m_asset.Length - FIRST_PACKET_SIZE + IMAGE_PACKET_SIZE - 1) / IMAGE_PACKET_SIZE) + 1); + } + private int GetPacketForBytePosition(int bytePosition) { return ((bytePosition - FIRST_PACKET_SIZE + IMAGE_PACKET_SIZE - 1) / IMAGE_PACKET_SIZE) + 1; @@ -301,9 +297,9 @@ namespace OpenSim.Region.ClientStack.LindenUDP private int LastPacketSize() { - if (m_packetNumber == 1) - return m_assetDataLength; - int lastsize = (m_assetDataLength - FIRST_PACKET_SIZE) % IMAGE_PACKET_SIZE; + if (m_currentPacket == 1) + return m_asset.Length; + int lastsize = (m_asset.Length - FIRST_PACKET_SIZE) % IMAGE_PACKET_SIZE; //If the last packet size is zero, it's really cImagePacketSize, it sits on the boundary if (lastsize == 0) { @@ -314,12 +310,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP private int CurrentBytePosition() { - if (m_packetNumber == 0) + if (m_currentPacket == 0) return 0; - if (m_packetNumber == 1) + if (m_currentPacket == 1) return FIRST_PACKET_SIZE; - int result = FIRST_PACKET_SIZE + ((int)m_packetNumber - 2) * IMAGE_PACKET_SIZE; + int result = FIRST_PACKET_SIZE + ((int)m_currentPacket - 2) * IMAGE_PACKET_SIZE; if (result < 0) { result = FIRST_PACKET_SIZE; @@ -327,68 +323,32 @@ namespace OpenSim.Region.ClientStack.LindenUDP return result; } - private bool SendFirstPacket(LLClientView client) - { - // this means we don't have - if (Data == null) - { - client.SendImageNotFound(m_requestedUUID); - m_log.WarnFormat("[TEXTURE]: Got null Data element on a asset {0}.. and the missing image Data property is also null", m_requestedUUID); - return true; - } - // Do we have less then 1 packet's worth of data? - else if (m_assetDataLength <= FIRST_PACKET_SIZE) - { - // Send only 1 packet - client.SendImageFirstPart(1, m_requestedUUID, (uint)m_assetDataLength, m_asset.Data, 2); - m_stopPacket = 0; - return true; - } - else - { - byte[] firstImageData = new byte[FIRST_PACKET_SIZE]; - try - { - Buffer.BlockCopy(m_asset.Data, 0, firstImageData, 0, (int)FIRST_PACKET_SIZE); - client.SendImageFirstPart(TexturePacketCount(), m_requestedUUID, (uint)m_assetDataLength, firstImageData, 2); - } - catch (Exception) - { - m_log.Error("Texture block copy failed. Possibly out of memory?"); - return true; - } - } - return false; - } - private void J2KDecodedCallback(UUID AssetId, OpenJPEG.J2KLayerInfo[] layers) { - m_layers = layers; - m_decoded = true; + Layers = layers; + IsDecoded = true; RunUpdate(); } private void AssetDataCallback(UUID AssetID, AssetBase asset) { - m_hasasset = true; + HasAsset = true; if (asset == null || asset.Data == null) { if (m_imageManager.MissingImage != null) { - m_asset = m_imageManager.MissingImage; - m_assetDataLength = m_asset.Data.Length; + m_asset = m_imageManager.MissingImage.Data; } else { m_asset = null; - m_decoded = true; + IsDecoded = true; } } else { - m_asset = asset; - m_assetDataLength = m_asset.Data.Length; + m_asset = asset.Data; } RunUpdate(); diff --git a/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs b/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs index a484fdf..d641b6c 100644 --- a/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs +++ b/OpenSim/Region/ClientStack/LindenUDP/LLImageManager.cs @@ -45,7 +45,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP { public int Compare(J2KImage x, J2KImage y) { - return x.m_requestedPriority.CompareTo(y.m_requestedPriority); + return x.Priority.CompareTo(y.Priority); } } @@ -94,7 +94,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP // Do a linear search for this texture download lock (m_priorityQueue) - m_priorityQueue.Find(delegate(J2KImage img) { return img.m_requestedUUID == newRequest.RequestedAssetID; }, out imgrequest); + m_priorityQueue.Find(delegate(J2KImage img) { return img.TextureID == newRequest.RequestedAssetID; }, out imgrequest); if (imgrequest != null) { @@ -105,7 +105,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP try { lock (m_priorityQueue) - m_priorityQueue.Delete(imgrequest.m_priorityQueueHandle); + m_priorityQueue.Delete(imgrequest.PriorityQueueHandle); } catch (Exception) { } } @@ -116,29 +116,29 @@ namespace OpenSim.Region.ClientStack.LindenUDP //Check the packet sequence to make sure this isn't older than //one we've already received - if (newRequest.requestSequence > imgrequest.m_lastSequence) + if (newRequest.requestSequence > imgrequest.LastSequence) { //Update the sequence number of the last RequestImage packet - imgrequest.m_lastSequence = newRequest.requestSequence; + imgrequest.LastSequence = newRequest.requestSequence; //Update the requested discard level - imgrequest.m_requestedDiscardLevel = newRequest.DiscardLevel; + imgrequest.DiscardLevel = newRequest.DiscardLevel; //Update the requested packet number - imgrequest.m_requestedPacketNumber = newRequest.PacketNumber; + imgrequest.StartPacket = newRequest.PacketNumber; //Update the requested priority - imgrequest.m_requestedPriority = newRequest.Priority; + imgrequest.Priority = newRequest.Priority; try { lock (m_priorityQueue) - m_priorityQueue.Replace(imgrequest.m_priorityQueueHandle, imgrequest); + m_priorityQueue.Replace(imgrequest.PriorityQueueHandle, imgrequest); } catch (Exception) { - imgrequest.m_priorityQueueHandle = null; + imgrequest.PriorityQueueHandle = null; lock (m_priorityQueue) - m_priorityQueue.Add(ref imgrequest.m_priorityQueueHandle, imgrequest); + m_priorityQueue.Add(ref imgrequest.PriorityQueueHandle, imgrequest); } //Run an update @@ -161,29 +161,29 @@ namespace OpenSim.Region.ClientStack.LindenUDP imgrequest = new J2KImage(this); //Assign our decoder module - imgrequest.m_j2kDecodeModule = m_j2kDecodeModule; + imgrequest.J2KDecoder = m_j2kDecodeModule; //Assign our asset cache module - imgrequest.m_assetCache = m_assetCache; + imgrequest.AssetService = m_assetCache; //Assign the requested discard level - imgrequest.m_requestedDiscardLevel = newRequest.DiscardLevel; + imgrequest.DiscardLevel = newRequest.DiscardLevel; //Assign the requested packet number - imgrequest.m_requestedPacketNumber = newRequest.PacketNumber; + imgrequest.StartPacket = newRequest.PacketNumber; //Assign the requested priority - imgrequest.m_requestedPriority = newRequest.Priority; + imgrequest.Priority = newRequest.Priority; //Assign the asset uuid - imgrequest.m_requestedUUID = newRequest.RequestedAssetID; + imgrequest.TextureID = newRequest.RequestedAssetID; //Assign the requested priority - imgrequest.m_requestedPriority = newRequest.Priority; + imgrequest.Priority = newRequest.Priority; //Add this download to the priority queue lock (m_priorityQueue) - m_priorityQueue.Add(ref imgrequest.m_priorityQueueHandle, imgrequest); + m_priorityQueue.Add(ref imgrequest.PriorityQueueHandle, imgrequest); //Run an update imgrequest.RunUpdate(); @@ -249,12 +249,12 @@ namespace OpenSim.Region.ClientStack.LindenUDP lock (m_priorityQueue) imagereq = m_priorityQueue.FindMax(); - if (imagereq.m_decoded == true) + if (imagereq.IsDecoded == true) { // we need to test this here now that we are dropping assets - if (!imagereq.m_hasasset) + if (!imagereq.HasAsset) { - m_log.WarnFormat("[LLIMAGE MANAGER]: Re-requesting the image asset {0}", imagereq.m_requestedUUID); + m_log.WarnFormat("[LLIMAGE MANAGER]: Re-requesting the image asset {0}", imagereq.TextureID); imagereq.RunUpdate(); continue; } @@ -268,7 +268,7 @@ namespace OpenSim.Region.ClientStack.LindenUDP try { lock (m_priorityQueue) - m_priorityQueue.Delete(imagereq.m_priorityQueueHandle); + m_priorityQueue.Delete(imagereq.PriorityQueueHandle); } catch (Exception) { } } -- cgit v1.1