/// <summary>
/// Bond-serializes a given <typeparamref name="T"/> and stores the result to the content cache.
/// The returned content hash can be used to later deserialize the structure with <see cref="TryLoadAndDeserializeContent{T}"/>.
/// </summary>
public static Task <Possible <ContentHash> > TrySerializeAndStoreContent <T>(
this IArtifactContentCache contentCache,
T valueToSerialize,
BoxRef <long> contentSize = null,
StoreArtifactOptions options = default)
{
return(BondExtensions.TrySerializeAndStoreContent(
valueToSerialize,
async(valueHash, valueBuffer) =>
{
using (var entryStream = new MemoryStream(
valueBuffer.Array,
valueBuffer.Offset,
valueBuffer.Count,
writable: false))
{
Possible <Unit, Failure> maybeStored = await contentCache.TryStoreAsync(
entryStream,
contentHash: valueHash,
options: options);
return maybeStored.WithGenericFailure();
}
},
contentSize));
}
/// <inheritdoc />
public Task <Possible <ContentHash, Failure> > TryStoreAsync(
FileRealizationMode fileRealizationModes,
ExpandedAbsolutePath path,
StoreArtifactOptions options = default)
{
return(TryStoreInternalAsync(
path,
fileRealizationModes,
knownContentHash: null));
}
/// <inheritdoc />
public async Task <Possible <Unit, Failure> > TryStoreAsync(
FileRealizationMode fileRealizationModes,
ExpandedAbsolutePath path,
ContentHash contentHash,
StoreArtifactOptions options = default)
{
Possible <ContentHash, Failure> maybeStored = await TryStoreInternalAsync(
path,
fileRealizationModes,
knownContentHash : contentHash);
return(maybeStored.Then(hash => Unit.Void));
}
/// <inheritdoc />
public Task <Possible <Unit, Failure> > TryStoreAsync(Stream content, ContentHash contentHash, StoreArtifactOptions options)
{
return(m_innerCache.TryStoreAsync(content, contentHash, options));
}
/// <inheritdoc />
public Task <Possible <ContentHash, Failure> > TryStoreAsync(FileRealizationMode fileRealizationModes, ExpandedAbsolutePath path, StoreArtifactOptions options)
{
return(m_innerCache.TryStoreAsync(fileRealizationModes, path, options));
}
public async Task <Possible <Unit, Failure> > TryStoreAsync(Stream content, ContentHash contentHash, StoreArtifactOptions options = default)
{
Possible <ContentHash, Failure> maybeStored = await TryStoreInternalAsync(content, knownContentHash : null);
return(maybeStored.Then(hash => Unit.Void));
}
private Task <Possible <ContentHash, Failure> > TryStoreInternalAsync(
ExpandedAbsolutePath path,
FileRealizationMode fileRealizationModes,
ContentHash?knownContentHash,
StoreArtifactOptions options = default)
{
return(Task.Run <Possible <ContentHash, Failure> >(
() =>
{
lock (m_lock)
{
try
{
byte[] contentBytes = ExceptionUtilities.HandleRecoverableIOException(
() =>
{
var expandedPath = path.ExpandedPath;
using (FileStream fileStream = new FileStream(expandedPath, FileMode.Open, FileAccess.Read, FileShare.Read))
using (BinaryReader binaryReader = new BinaryReader(fileStream))
{
// This will work with files up to 2GB in length, due to the 'int' API signature
return binaryReader.ReadBytes((int)new FileInfo(expandedPath).Length);
}
},
ex => { throw new BuildXLException("Failed to store content (couldn't read new content from disk)", ex); });
ContentHash contentHash = ContentHashingUtilities.HashBytes(contentBytes);
if (knownContentHash.HasValue && contentHash != knownContentHash.Value)
{
return new Failure <string>(I($"Stored content had an unexpected hash. (expected: {knownContentHash.Value}; actual: {contentHash})"));
}
CacheEntry entry;
if (m_content.TryGetValue(contentHash, out entry))
{
// We assume that stores of content already present somewhere still cause replication
// to both the local and remote sites. See class remarks.
entry.Sites |= CacheSites.LocalAndRemote;
return contentHash;
}
else
{
try
{
if (m_pathRealizationModes != null)
{
m_pathRealizationModes[path.ExpandedPath] = fileRealizationModes;
}
// We assume that stored content is instantly and magically replicated to some remote place.
// See class remarks.
m_content[contentHash] = new CacheEntry(contentBytes, CacheSites.LocalAndRemote);
return contentHash;
}
catch (BuildXLException ex)
{
return new RecoverableExceptionFailure(ex);
}
}
}
catch (BuildXLException ex)
{
return new RecoverableExceptionFailure(ex);
}
}
}));
}
