/// GetTextMargins - checks to see if we have cached information about the current font,
/// returns info about it.
/// An MRU of Font margins was considered, but seems like overhead.
internal static User32.DRAWTEXTPARAMS GetTextMargins(WindowsGraphics wg, WindowsFont font)
{
// PERF: operate on a local reference rather than party directly on the thread static one.
CachedInfo currentCachedInfo = cachedMeasurementDCInfo;
if (currentCachedInfo != null && currentCachedInfo.LeftTextMargin > 0 && currentCachedInfo.RightTextMargin > 0 && font == currentCachedInfo.LastUsedFont)
{
// we have to return clones as DrawTextEx will modify this struct
return(new User32.DRAWTEXTPARAMS
{
iLeftMargin = currentCachedInfo.LeftTextMargin,
iRightMargin = currentCachedInfo.RightTextMargin
});
}
else if (currentCachedInfo == null)
{
currentCachedInfo = new CachedInfo();
cachedMeasurementDCInfo = currentCachedInfo;
}
User32.DRAWTEXTPARAMS drawTextParams = wg.GetTextMargins(font);
currentCachedInfo.LeftTextMargin = drawTextParams.iLeftMargin;
currentCachedInfo.RightTextMargin = drawTextParams.iRightMargin;
// returning a copy here to be consistent with the return value from the cache.
return(new User32.DRAWTEXTPARAMS
{
iLeftMargin = currentCachedInfo.LeftTextMargin,
iRightMargin = currentCachedInfo.RightTextMargin
});
}
// Create a CachedInfo instance with every field populated from a given random number seed
// The data doesn't have to make sense, but everything has to have a value of some sort so we can check everything is being serialized/deserialized
static CachedInfo CreateSyntheticCachedInfo(int seed)
{
System.Random rnd = new System.Random(seed);
CachedInfo cachedData = new CachedInfo();
cachedData.Asset = CreateSyntheticCacheEntry(rnd);
cachedData.Dependencies = new CacheEntry[2];
cachedData.Dependencies[0] = CreateSyntheticCacheEntry(rnd);
cachedData.Dependencies[1] = CreateSyntheticCacheEntry(rnd);
cachedData.Data = new object[]
{
CreateSyntheticAssetLoadInfo(rnd),
CreateSyntheticBuildUsageTagSet(),
CreateSyntheticSpriteImporterData(rnd),
CreateSyntheticExtendedAssetData(rnd),
CreateSyntheticObjectTypes(rnd),
CreateSyntheticSceneDependencyInfo(rnd),
CreateHash128(rnd),
CreateSyntheticWriteResult(rnd),
CreateSyntheticSerializedFileMetaData(rnd),
CreateSyntheticBundleDetails(rnd)
};
return(cachedData);
}
CachedInfo GetCachedInfo(CacheEntry entry, IWriteOperation operation, WriteResult result)
{
var info = new CachedInfo();
info.Asset = entry;
var dependencies = new HashSet <CacheEntry>();
var sceneBundleOp = operation as SceneBundleWriteOperation;
if (sceneBundleOp != null)
{
dependencies.Add(m_Cache.GetCacheEntry(sceneBundleOp.ProcessedScene));
}
var sceneDataOp = operation as SceneDataWriteOperation;
if (sceneDataOp != null)
{
dependencies.Add(m_Cache.GetCacheEntry(sceneDataOp.ProcessedScene));
}
foreach (var serializeObject in operation.Command.serializeObjects)
{
dependencies.Add(m_Cache.GetCacheEntry(serializeObject.serializationObject));
}
info.Dependencies = dependencies.ToArray();
info.Data = new object[] { result };
return(info);
}
public void WhenLoadingStoredCachedData_CachedInfoIsValid()
{
StoreDataInCacheWithGUID(m_Cache, TestFile1GUID, "data");
RecreateBuildCache();
CachedInfo info = LoadCachedInfoForGUID(m_Cache, TestFile1GUID);
Assert.AreEqual("data", (string)info.Data[0]);
}
static CachedInfo GetCachedInfo(IBuildCache cache, CacheEntry entry, IEnumerable <ResourceFile> resources, BundleDetails details)
{
var info = new CachedInfo();
info.Asset = entry;
info.Dependencies = new CacheEntry[0];
info.Data = new object[] { details };
return(info);
}
CachedInfo GetCachedInfo(CacheEntry entry, WriteResult result, SerializedFileMetaData metaData)
{
var info = new CachedInfo();
info.Asset = entry;
info.Data = new object[] { result, metaData };
info.Dependencies = new CacheEntry[0];
return(info);
}
/// <summary>
/// List roles
/// </summary>
private void ListRoles()
{
tvAvailableRoles.Nodes.Clear();
// List roles
//
SecurityRole rootRole = new SecurityRole();
rootRole.Role = "ROOT";
rootRole.Description = "ROOT FOLDER";
var rootRoleNode =
new TreeNode(
rootRole.Role,
FCMConstant.Image.Folder,
FCMConstant.Image.Folder);
rootRoleNode.Tag = rootRole;
tvAvailableRoles.Nodes.Add(rootRoleNode);
var roleList = SecurityRole.List();
foreach (var role in roleList)
{
var roleNode =
new TreeNode(
role.Role,
FCMConstant.Image.Checked,
FCMConstant.Image.Checked);
roleNode.Tag = role;
rootRoleNode.Nodes.Add(roleNode);
// Add screens connected to role
//
var respList = BUSUserAccess.ListByRole(role.Role);
var listOfScreens = (List <SecurityRoleScreen>)respList.Contents;
// Get Screen Description from cache.
//
foreach (var screen in listOfScreens)
{
var screenDescription =
CachedInfo.GetDescription(FCMConstant.CodeTypeString.SCREENCODE, screen.FKScreenCode);
var screenNode =
new TreeNode(
screenDescription,
FCMConstant.Image.Folder,
FCMConstant.Image.Folder);
screenNode.Tag = screen;
roleNode.Nodes.Add(screenNode);
}
}
}
/// Reset
/// clear the current cached information about the measurement dc.
internal static void Reset()
{
CachedInfo currentCachedInfo = cachedMeasurementDCInfo;
if (currentCachedInfo != null)
{
currentCachedInfo.UpdateFont(null);
}
}
public void WhenLoadingCachedDataForGUIDWithModifiedDependency_CachedInfoIsNull()
{
GUID depGuid = CreateTestTextAsset("mytext");
StoreDataInCacheWithGUID(m_Cache, TestFile1GUID, "data", depGuid);
ModifyTestTextAsset(depGuid, "mytext2");
RecreateBuildCache();
CachedInfo info = LoadCachedInfoForGUID(m_Cache, TestFile1GUID);
Assert.IsNull(info);
}
public void WhenLoadingCachedDataForModifiedGUID_CachedInfoIsNull()
{
GUID guid = CreateTestTextAsset("mytext");
StoreDataInCacheWithGUID(m_Cache, guid, "data");
ModifyTestTextAsset(guid, "mytext2");
RecreateBuildCache();
CachedInfo info = LoadCachedInfoForGUID(m_Cache, guid);
Assert.IsNull(info);
}
public void End()
{
GL.GetInteger(GetPName.Viewport, Viewport);
ScreenWidth = Viewport[2];
ScreenHeight = Viewport[3];
int stamp = Environment.TickCount;
GL.Enable(EnableCap.Texture2D);
GLHUDBegin();
{
foreach (TextItem item in textItems)
{
int hash = GetItemHash(item);
CachedInfo tex = new CachedInfo()
{
TextureID = -1
};
if (Cache.ContainsKey(hash))
{
tex = Cache[hash];
tex.LastUsed = stamp;
}
else
{
PrepareText(item);
if (item.TextureID != -1)
{
Cache[hash] = tex = new CachedInfo()
{
TextureID = item.TextureID,
Width = item.ImgWidth,
Height = item.ImgHeight,
LastUsed = stamp
};
}
}
if (tex.TextureID == -1)
{
continue;
}
GL.Color4(item.Color);
GL.BindTexture(TextureTarget.Texture2D, tex.TextureID);
RHelp.Draw2DBox(item.Box.X, ScreenHeight - item.Box.Y - tex.Height, tex.Width, tex.Height, 0f);
}
GL.BindTexture(TextureTarget.Texture2D, 0);
GL.Disable(EnableCap.Texture2D);
GL.Color4(1f, 1f, 1f, 1f);
}
GLHUDEnd();
textItems.Clear();
}
public void TestCachedInfoSerialises()
{
CachedInfo cachedInfo = CreateSyntheticCachedInfo(12478324);
TestSerializeData(new PrimitiveValue <CachedInfo>()
{
m_Value = cachedInfo
},
BuildCache.CustomSerializers,
BuildCache.ObjectFactories,
new DumpToText.ICustomDumper[] { new CustomDumper_BuildUsageTagSet() },
false); // full Equality not implemented for CachedInfo so we rely on the dumper text comparison
}
internal static void ResetIfIsMeasurementDC(IntPtr hdc)
{
WindowsGraphics sharedGraphics = WindowsGraphicsCacheManager.GetCurrentMeasurementGraphics();
if (sharedGraphics != null && sharedGraphics.DeviceContext != null && sharedGraphics.DeviceContext.Hdc == hdc)
{
CachedInfo currentCachedInfo = cachedMeasurementDCInfo;
if (currentCachedInfo != null)
{
currentCachedInfo.UpdateFont(null);
}
}
}
public void WhenGlobalVersionChanges_OriginalCachedInfoDoesNotNeedRebuild()
{
m_Cache.OverrideGlobalHash(new Hash128(0, 1, 0, 0));
StoreDataInCacheWithGUID(m_Cache, TestFile1GUID, "data");
CachedInfo info1 = LoadCachedInfoForGUID(m_Cache, TestFile1GUID);
RecreateBuildCache();
m_Cache.OverrideGlobalHash(new Hash128(0, 2, 0, 0));
CachedInfo info2 = LoadCachedInfoForGUID(m_Cache, TestFile1GUID);
Assert.IsFalse(m_Cache.HasAssetOrDependencyChanged(info1)); // original info still doesn't need rebuild. Required for content update
Assert.IsNull(info2); // however the data cannot be recovered
}
#pragma warning restore 649
CachedInfo GetCachedInfo(GUID scene, IEnumerable<ObjectIdentifier> references, SceneDependencyInfo sceneInfo, BuildUsageTagSet usageTags, IEnumerable<CacheEntry> prefabEntries, Hash128 prefabDependency)
{
var info = new CachedInfo();
info.Asset = m_Cache.GetCacheEntry(scene, Version);
var dependencies = new HashSet<CacheEntry>();
foreach (var reference in references)
dependencies.Add(m_Cache.GetCacheEntry(reference));
dependencies.UnionWith(prefabEntries);
info.Dependencies = dependencies.ToArray();
info.Data = new object[] { sceneInfo, usageTags, prefabDependency };
return info;
}
static CachedInfo GetCachedInfo(IBuildCache cache, GUID asset, AssetLoadInfo assetInfo, BuildUsageTagSet usageTags, SpriteImporterData importerData, ExtendedAssetData assetData)
{
var info = new CachedInfo();
info.Asset = cache.GetCacheEntry(asset, kVersion);
var uniqueTypes = new HashSet <System.Type>();
var objectTypes = new List <KeyValuePair <ObjectIdentifier, System.Type[]> >();
var dependencies = new HashSet <CacheEntry>();
ExtensionMethods.ExtractCommonCacheData(cache, assetInfo.includedObjects, assetInfo.referencedObjects, uniqueTypes, objectTypes, dependencies);
info.Dependencies = dependencies.ToArray();
info.Data = new object[] { assetInfo, usageTags, importerData, assetData, objectTypes };
return(info);
}
CachedInfo GetCachedInfo(CacheEntry entry, AssetLoadInfo assetInfo, BuildUsageTagSet usageTags)
{
var info = new CachedInfo();
info.Asset = entry;
var uniqueTypes = new HashSet <Type>();
var objectTypes = new List <KeyValuePair <ObjectIdentifier, Type[]> >();
var dependencies = new HashSet <CacheEntry>();
ExtensionMethods.ExtractCommonCacheData(m_Cache, assetInfo.includedObjects, assetInfo.referencedObjects, uniqueTypes, objectTypes, dependencies);
info.Dependencies = dependencies.ToArray();
info.Data = new object[] { assetInfo, usageTags, objectTypes };
return(info);
}
internal static IntNativeMethods.DRAWTEXTPARAMS GetTextMargins(WindowsGraphics wg, WindowsFont font)
{
CachedInfo cachedMeasurementDCInfo = MeasurementDCInfo.cachedMeasurementDCInfo;
if (((cachedMeasurementDCInfo == null) || (cachedMeasurementDCInfo.LeftTextMargin <= 0)) || ((cachedMeasurementDCInfo.RightTextMargin <= 0) || (font != cachedMeasurementDCInfo.LastUsedFont)))
{
if (cachedMeasurementDCInfo == null)
{
cachedMeasurementDCInfo = new CachedInfo();
MeasurementDCInfo.cachedMeasurementDCInfo = cachedMeasurementDCInfo;
}
IntNativeMethods.DRAWTEXTPARAMS textMargins = wg.GetTextMargins(font);
cachedMeasurementDCInfo.LeftTextMargin = textMargins.iLeftMargin;
cachedMeasurementDCInfo.RightTextMargin = textMargins.iRightMargin;
}
return new IntNativeMethods.DRAWTEXTPARAMS(cachedMeasurementDCInfo.LeftTextMargin, cachedMeasurementDCInfo.RightTextMargin);
}
internal static IntNativeMethods.DRAWTEXTPARAMS GetTextMargins(WindowsGraphics wg, WindowsFont font)
{
CachedInfo cachedMeasurementDCInfo = MeasurementDCInfo.cachedMeasurementDCInfo;
if (((cachedMeasurementDCInfo == null) || (cachedMeasurementDCInfo.LeftTextMargin <= 0)) || ((cachedMeasurementDCInfo.RightTextMargin <= 0) || (font != cachedMeasurementDCInfo.LastUsedFont)))
{
if (cachedMeasurementDCInfo == null)
{
cachedMeasurementDCInfo = new CachedInfo();
MeasurementDCInfo.cachedMeasurementDCInfo = cachedMeasurementDCInfo;
}
IntNativeMethods.DRAWTEXTPARAMS textMargins = wg.GetTextMargins(font);
cachedMeasurementDCInfo.LeftTextMargin = textMargins.iLeftMargin;
cachedMeasurementDCInfo.RightTextMargin = textMargins.iRightMargin;
}
return(new IntNativeMethods.DRAWTEXTPARAMS(cachedMeasurementDCInfo.LeftTextMargin, cachedMeasurementDCInfo.RightTextMargin));
}
private bool TryGetCachedInfo(MetadataTypeReference typeReference, out CachedInfo cachedInfo)
{
var(assemblyReference, typeName) = NameSpec.FromMetadataTypeReference(typeReference);
if (assemblyReference == null)
{
if (currentAssemblyLoader == null)
{
currentAssemblyLoader = new AssemblyLazyLoader(currentAssemblyStreamFactory.Invoke());
}
if (currentAssemblyLoader.TryGetInfo(typeName, this, out cachedInfo))
{
return(true);
}
// Attribute values containing enum type references serialize the string.
// So far all mscorlib enum references I've seen include the assembly name,
// but this is just in case.
if (currentAssemblyMscorlibReference == null)
{
currentAssemblyMscorlibReference = GetMscorlibReference(currentAssemblyStreamFactory.Invoke());
}
assemblyReference = currentAssemblyMscorlibReference;
}
var fullName = assemblyReference.FullName;
if (!assemblyLoadersByFullName.TryGetValue(fullName, out var loader))
{
loader = assemblyResolver.TryGetAssemblyPath(assemblyReference, out var path) ? new AssemblyLazyLoader(File.OpenRead(path)) : null;
assemblyLoadersByFullName.Add(fullName, loader);
}
if (loader == null)
{
// We couldn't locate the assembly.
cachedInfo = default;
return(false);
}
return(loader.TryGetInfo(typeName, this, out cachedInfo));
}
#pragma warning restore 649
CachedInfo GetCachedInfo(GUID scene, IEnumerable <ObjectIdentifier> references, SceneDependencyInfo sceneInfo, BuildUsageTagSet usageTags)
{
var info = new CachedInfo();
info.Asset = m_Cache.GetCacheEntry(scene, Version);
var dependencies = new HashSet <CacheEntry>();
foreach (ObjectIdentifier reference in references)
{
dependencies.Add(m_Cache.GetCacheEntry(reference));
}
info.Dependencies = dependencies.ToArray();
info.Data = new object[] { sceneInfo, usageTags };
return(info);
}
#pragma warning restore 649
CachedInfo GetCachedInfo(GUID asset, AssetLoadInfo assetInfo, BuildUsageTagSet usageTags, SpriteImporterData importerData)
{
var info = new CachedInfo();
info.Asset = m_Cache.GetCacheEntry(asset);
var dependencies = new HashSet <CacheEntry>();
foreach (var reference in assetInfo.referencedObjects)
{
dependencies.Add(m_Cache.GetCacheEntry(reference));
}
info.Dependencies = dependencies.ToArray();
info.Data = new object[] { assetInfo, usageTags, importerData };
return(info);
}
static CachedInfo GetCachedInfo(IBuildCache cache, CacheEntry entry, IEnumerable <ResourceFile> resources, BundleDetails details)
{
var info = new CachedInfo();
info.Asset = entry;
var dependencies = new HashSet <CacheEntry>();
foreach (var resource in resources)
{
dependencies.Add(cache.GetCacheEntry(resource.fileName));
}
info.Dependencies = dependencies.ToArray();
info.Data = new object[] { details };
return(info);
}
/// <summary>
/// Performs operations upon the current request.
/// </summary>
/// <param name="context">The current HTTP request context</param>
/// <returns>The <see cref="Task"/></returns>
public async Task Invoke(HttpContext context)
{
IDictionary <string, string> commands = this.requestParser.ParseRequestCommands(context)
.Where(kvp => this.knownCommands.Contains(kvp.Key))
.ToDictionary(p => p.Key, p => p.Value);
this.options.OnValidate?.Invoke(new ImageValidationContext(context, commands, CommandParser.Instance));
if (!commands.Any())
{
// Nothing to do. call the next delegate/middleware in the pipeline
await this.next(context);
return;
}
// Create a cache key based on all the components of the requested url
string uri = $"{context.Request.Host.ToString().ToLowerInvariant()}/{context.Request.PathBase.ToString().ToLowerInvariant()}/{context.Request.Path}{QueryString.Create(commands)}";
string key = this.cacheHash.Create(uri, this.options.CachedNameLength);
// Prevent identical requests from running at the same time
// This reduces the overheads of unnecessary processing plus avoids file locks
bool processRequest = true;
using (await this.asyncKeyLock.LockAsync(key))
{
// Get the correct service for the request.
IImageResolver resolver = this.resolvers.FirstOrDefault(r => r.Match(context));
if (resolver == null || !await resolver.IsValidRequestAsync(context, this.logger))
{
// Nothing to do. Call the next delegate/middleware in the pipeline
processRequest = false;
}
if (processRequest)
{
CachedInfo info = await this.cache.IsExpiredAsync(context, key, DateTime.UtcNow.AddDays(-this.options.MaxCacheDays));
var imageContext = new ImageContext(context, this.options);
if (info.Equals(default))
#pragma warning restore 649
CachedInfo GetCachedInfo(GUID scene, IEnumerable <ObjectIdentifier> references, SceneDependencyInfo sceneInfo, BuildUsageTagSet usageTags, IEnumerable <CacheEntry> prefabEntries, Hash128 prefabDependency)
{
var info = new CachedInfo();
info.Asset = m_Cache.GetCacheEntry(scene, Version);
#if ENABLE_TYPE_HASHING || UNITY_2020_1_OR_NEWER
var uniqueTypes = new HashSet <System.Type>(sceneInfo.includedTypes);
#else
var uniqueTypes = new HashSet <System.Type>();
#endif
var objectTypes = new List <KeyValuePair <ObjectIdentifier, System.Type[]> >();
var dependencies = new HashSet <CacheEntry>(prefabEntries);
ExtensionMethods.ExtractCommonCacheData(m_Cache, null, references, uniqueTypes, objectTypes, dependencies);
info.Dependencies = dependencies.ToArray();
info.Data = new object[] { sceneInfo, usageTags, prefabDependency, objectTypes };
return(info);
}
static CachedInfo CalculateTargetCachedInfo(CacheEntry entry, BuildTarget target, TypeDB typeDB = null)
{
var cache = new BuildCache();
List <ObjectIdentifier> objects = new List <ObjectIdentifier>();
objects.AddRange(ContentBuildInterface.GetPlayerObjectIdentifiersInAsset(entry.Guid, target));
objects.AddRange(ContentBuildInterface.GetPlayerDependenciesForObjects(objects.ToArray(), target, typeDB));
var cachedInfo = new CachedInfo();
cachedInfo.Asset = entry;
cachedInfo.Data = new[] { objects };
// TODO: Handle built-in objects, might require some low level build changes like an option to ignore the hideFlags
var dependencies = objects.Select(x => x.guid).Where(x => !x.Empty() && x != entry.Guid && x != k_UnityBuiltinResources).Distinct();
cachedInfo.Dependencies = dependencies.Select(cache.GetCacheEntry).ToArray();
// cache.SaveCachedData(new List<CachedInfo> { cachedInfo }); // TODO: Disabled because we have file contention as "Save" is async only with no wait functionality
return(cachedInfo);
}
#pragma warning restore 649
CachedInfo GetCachedInfo(GUID scene, IEnumerable <ObjectIdentifier> references, SceneDependencyInfo sceneInfo, BuildUsageTagSet usageTags)
{
var info = new CachedInfo();
info.Asset = m_Cache.GetCacheEntry(scene, Version);
var dependencies = new HashSet <CacheEntry>();
foreach (var reference in references)
{
dependencies.Add(m_Cache.GetCacheEntry(reference));
}
var prefabEntries = AssetDatabase.GetDependencies(AssetDatabase.GUIDToAssetPath(scene.ToString())).Where(path => path.EndsWith(".prefab")).Select(m_Cache.GetCacheEntry);
dependencies.UnionWith(prefabEntries);
info.Dependencies = dependencies.ToArray();
info.Data = new object[] { sceneInfo, usageTags };
return(info);
}
static protected void StoreDataInCacheWithGUID(BuildCache cache, GUID guid, object data, GUID depGUID = new GUID())
{
List <CacheEntry> deps = new List <CacheEntry>();
if (!depGUID.Empty())
{
deps.Add(cache.GetCacheEntry(depGUID));
}
CacheEntry entry1 = cache.GetCacheEntry(guid);
CachedInfo info = new CachedInfo();
info.Asset = entry1;
info.Dependencies = deps.ToArray();
info.Data = new object[] { data };
cache.SaveCachedData(new List <CachedInfo>()
{
info
});
cache.SyncPendingSaves();
}
/// GetTextMargins - checks to see if we have cached information about the current font,
/// returns info about it.
/// An MRU of Font margins was considered, but seems like overhead.
internal static IntNativeMethods.DRAWTEXTPARAMS GetTextMargins(WindowsGraphics wg, WindowsFont font) {
// PERF: operate on a local reference rather than party directly on the thread static one.
CachedInfo currentCachedInfo = cachedMeasurementDCInfo;
if (currentCachedInfo != null && currentCachedInfo.LeftTextMargin >0 && currentCachedInfo.RightTextMargin >0 && font == currentCachedInfo.LastUsedFont)
{
// we have to return clones as DrawTextEx will modify this struct
return new IntNativeMethods.DRAWTEXTPARAMS(currentCachedInfo.LeftTextMargin,currentCachedInfo.RightTextMargin);
}
else if (currentCachedInfo == null)
{
currentCachedInfo = new CachedInfo();
cachedMeasurementDCInfo = currentCachedInfo;
}
IntNativeMethods.DRAWTEXTPARAMS drawTextParams = wg.GetTextMargins(font);
currentCachedInfo.LeftTextMargin = drawTextParams.iLeftMargin;
currentCachedInfo.RightTextMargin = drawTextParams.iRightMargin;
// returning a copy here to be consistent with the return value from the cache.
return new IntNativeMethods.DRAWTEXTPARAMS(currentCachedInfo.LeftTextMargin,currentCachedInfo.RightTextMargin);
}
private bool TryGetCacheValue(SqlConnectionStringBuilder builder, out CachedInfo value)
{
CacheKey key = new CacheKey(builder);
return(_cache.TryGetValue(key, out value));
}
/// <summary>
/// Performs operations upon the current request.
/// </summary>
/// <param name="context">The current HTTP request context.</param>
/// <returns>The <see cref="Task"/>.</returns>
public async Task Invoke(HttpContext context)
{
IDictionary <string, string> commands = this.requestParser.ParseRequestCommands(context)
.Where(kvp => this.knownCommands.Contains(kvp.Key))
.ToDictionary(p => p.Key, p => p.Value);
this.options.OnParseCommands?.Invoke(new ImageCommandContext(context, commands, CommandParser.Instance));
// Get the correct service for the request.
IImageProvider provider = this.resolvers.FirstOrDefault(r => r.Match(context));
if (provider?.IsValidRequest(context) != true)
{
// Nothing to do. call the next delegate/middleware in the pipeline
await this.next(context).ConfigureAwait(false);
return;
}
// Create a cache key based on all the components of the requested url
string uri = GetUri(context, commands);
string key = this.cacheHash.Create(uri, this.options.CachedNameLength);
bool processRequest = true;
var imageContext = new ImageContext(context, this.options);
IImageResolver resolvedImage = provider.Get(context);
if (resolvedImage == null)
{
// Log the error but let the pipeline handle the 404
this.logger.LogImageResolveFailed(imageContext.GetDisplayUrl());
processRequest = false;
}
if (processRequest)
{
// Lock any reads when a write is being done for the same key to prevent potential file locks.
using (await AsyncLock.ReaderLockAsync(key).ConfigureAwait(false))
{
DateTime lastWriteTimeUtc = await resolvedImage.GetLastWriteTimeUtcAsync().ConfigureAwait(false);
CachedInfo info = await this.cache.IsExpiredAsync(context, key, lastWriteTimeUtc, DateTime.UtcNow.AddDays(-this.options.MaxCacheDays)).ConfigureAwait(false);
if (!info.Expired)
{
// We're pulling the image from the cache.
IImageResolver cachedImage = this.cache.Get(key);
using (Stream cachedBuffer = await cachedImage.OpenReadAsync().ConfigureAwait(false))
{
// Image is a cached image. Return the correct response now.
await this.SendResponse(imageContext, key, info.LastModifiedUtc, cachedBuffer).ConfigureAwait(false);
}
return;
}
}
// Not cached? Let's get it from the image resolver.
ChunkedMemoryStream outStream = null;
try
{
if (processRequest)
{
// Enter a write lock which locks writing and any reads for the same request.
// This reduces the overheads of unnecessary processing plus avoids file locks.
using (await AsyncLock.WriterLockAsync(key).ConfigureAwait(false))
{
// No allocations here for inStream since we are passing the raw input stream.
// outStream allocation depends on the memory allocator used.
outStream = new ChunkedMemoryStream(this.memoryAllocator);
using (Stream inStream = await resolvedImage.OpenReadAsync().ConfigureAwait(false))
using (var image = FormattedImage.Load(this.options.Configuration, inStream))
{
image.Process(this.logger, this.processors, commands);
this.options.OnBeforeSave?.Invoke(image);
image.Save(outStream);
}
// Allow for any further optimization of the image. Always reset the position just in case.
outStream.Position = 0;
this.options.OnProcessed?.Invoke(new ImageProcessingContext(context, outStream, commands, Path.GetExtension(key)));
outStream.Position = 0;
DateTimeOffset cachedDate = await this.cache.SetAsync(key, outStream).ConfigureAwait(false);
await this.SendResponse(imageContext, key, cachedDate, outStream).ConfigureAwait(false);
}
}
}
catch (Exception ex)
{
// Log the error internally then rethrow.
// We don't call next here, the pipeline will automatically handle it
this.logger.LogImageProcessingFailed(imageContext.GetDisplayUrl(), ex);
throw;
}
finally
{
outStream?.Dispose();
}
}
if (!processRequest)
{
// Call the next delegate/middleware in the pipeline
await this.next(context).ConfigureAwait(false);
}
}
public void End()
{
GL.GetInteger(GetPName.Viewport, Viewport);
ScreenWidth = Viewport[2];
ScreenHeight = Viewport[3];
int stamp = Environment.TickCount;
GL.Enable(EnableCap.Texture2D);
GLHUDBegin();
{
foreach (TextItem item in textItems)
{
int hash = GetItemHash(item);
CachedInfo tex = new CachedInfo() { TextureID = -1 };
if (Cache.ContainsKey(hash))
{
tex = Cache[hash];
tex.LastUsed = stamp;
}
else
{
PrepareText(item);
if (item.TextureID != -1)
{
Cache[hash] = tex = new CachedInfo()
{
TextureID = item.TextureID,
Width = item.ImgWidth,
Height = item.ImgHeight,
LastUsed = stamp
};
}
}
if (tex.TextureID == -1) continue;
GL.Color4(item.Color);
GL.BindTexture(TextureTarget.Texture2D, tex.TextureID);
RHelp.Draw2DBox(item.Box.X, ScreenHeight - item.Box.Y - tex.Height, tex.Width, tex.Height, 0f);
}
GL.BindTexture(TextureTarget.Texture2D, 0);
GL.Disable(EnableCap.Texture2D);
GL.Color4(1f, 1f, 1f, 1f);
}
GLHUDEnd();
textItems.Clear();
}
public void WhenLoadingUncachedData_CachedInfoIsNull()
{
CachedInfo info = LoadCachedInfoForGUID(m_Cache, UncachedGUID);
Assert.IsNull(info);
}
