/// <summary>
/// Deserialize the dependency cache from a binary reader
/// </summary>
/// <param name="Reader">Reader for the cache data</param>
/// <returns>New dependency cache object</returns>
static DependencyCache Deserialize(BinaryReader Reader)
{
DependencyCache Cache = new DependencyCache(Reader.ReadFileReference());
Cache.CreationTimeUtc = DateTime.FromBinary(Reader.ReadInt64());
int NumEntries = Reader.ReadInt32();
Cache.DependencyMap = new Dictionary <FileReference, List <DependencyInclude> >(NumEntries);
List <FileReference> UniqueFiles = new List <FileReference>();
for (int Idx = 0; Idx < NumEntries; Idx++)
{
FileReference File = Reader.ReadFileReference();
int NumIncludes = Reader.ReadInt32();
List <DependencyInclude> Includes = new List <DependencyInclude>(NumIncludes);
for (int IncludeIdx = 0; IncludeIdx < NumIncludes; IncludeIdx++)
{
DependencyInclude Include = new DependencyInclude(Reader.ReadString());
Include.HasAttemptedResolve = Reader.ReadBoolean();
Include.IncludeResolvedNameIfSuccessful = Reader.ReadFileReference(UniqueFiles);
Includes.Add(Include);
}
Cache.DependencyMap.Add(File, Includes);
}
Cache.CreateFileExistsInfo();
Cache.ResetUnresolvedDependencies();
return(Cache);
}
/**
* Loads the cache from the passed in file.
*
* @param Cache File to deserialize from
*/
public static DependencyCache Load(FileItem Cache)
{
DependencyCache Result = null;
try
{
using (FileStream Stream = new FileStream(Cache.AbsolutePath, FileMode.Open, FileAccess.Read))
{
BinaryFormatter Formatter = new BinaryFormatter();
Result = Formatter.Deserialize(Stream) as DependencyCache;
}
Result.CreateFileExistsInfo();
Result.ResetUnresolvedDependencies();
}
catch (Exception Ex)
{
// Don't bother logging this expected error.
// It's due to a change in the CacheCreateDate type.
if (Ex.Message != "Object of type 'System.DateTime' cannot be converted to type 'System.DateTimeOffset'" &&
Ex.Message != "Object of type 'System.Collections.Generic.Dictionary`2[System.String,System.Collections.Generic.List`1[System.String]]' cannot be converted to type 'System.Collections.Generic.Dictionary`2[System.String,UnrealBuildTool.DependencyInfo]'.") // To catch serialization differences added when we added the DependencyInfo struct
{
Console.Error.WriteLine("Failed to read dependency cache: {0}", Ex.Message);
}
}
return(Result);
}
/**
* Loads the cache from the passed in file.
*
* @param Cache File to deserialize from
*/
public static DependencyCache Load(FileItem Cache)
{
DependencyCache Result = null;
try
{
string CacheBuildMutexPath = Cache.AbsolutePath + ".buildmutex";
// If the .buildmutex file for the cache is present, it means that something went wrong between loading
// and saving the cache last time (most likely the UBT process being terminated), so we don't want to load
// it.
if (!File.Exists(CacheBuildMutexPath))
{
using (File.Create(CacheBuildMutexPath))
{
}
using (FileStream Stream = new FileStream(Cache.AbsolutePath, FileMode.Open, FileAccess.Read))
{
BinaryFormatter Formatter = new BinaryFormatter();
Result = Formatter.Deserialize(Stream) as DependencyCache;
}
Result.CreateFileExistsInfo();
Result.ResetUnresolvedDependencies();
}
}
catch (Exception Ex)
{
// Don't bother logging this expected error.
// It's due to a change in the CacheCreateDate type.
if (Ex.Message != "Object of type 'System.DateTime' cannot be converted to type 'System.DateTimeOffset'" &&
Ex.Message != "Object of type 'System.Collections.Generic.Dictionary`2[System.String,System.Collections.Generic.List`1[System.String]]' cannot be converted to type 'System.Collections.Generic.Dictionary`2[System.String,UnrealBuildTool.DependencyInfo]'.") // To catch serialization differences added when we added the DependencyInfo struct
{
Console.Error.WriteLine("Failed to read dependency cache: {0}", Ex.Message);
}
}
return(Result);
}
/// <summary>
/// Deserialize the dependency cache from a binary reader
/// </summary>
/// <param name="Reader">Reader for the cache data</param>
/// <returns>New dependency cache object</returns>
static DependencyCache Deserialize(BinaryReader Reader)
{
DependencyCache Cache = new DependencyCache(Reader.ReadFileReference());
Cache.CreationTimeUtc = DateTime.FromBinary(Reader.ReadInt64());
int NumEntries = Reader.ReadInt32();
Cache.DependencyMap = new Dictionary<FileReference, List<DependencyInclude>>(NumEntries);
List<FileReference> UniqueFiles = new List<FileReference>();
for (int Idx = 0; Idx < NumEntries; Idx++)
{
FileReference File = Reader.ReadFileReference();
int NumIncludes = Reader.ReadInt32();
List<DependencyInclude> Includes = new List<DependencyInclude>(NumIncludes);
for (int IncludeIdx = 0; IncludeIdx < NumIncludes; IncludeIdx++)
{
DependencyInclude Include = new DependencyInclude(Reader.ReadString());
Include.HasAttemptedResolve = Reader.ReadBoolean();
Include.IncludeResolvedNameIfSuccessful = Reader.ReadFileReference(UniqueFiles);
Includes.Add(Include);
}
Cache.DependencyMap.Add(File, Includes);
}
Cache.CreateFileExistsInfo();
Cache.ResetUnresolvedDependencies();
return Cache;
}