private async Task <ExistenceResponse> CheckFileExistsAsync(ExistenceRequest request, CancellationToken token)
{
OperationStarted();
DateTime startTime = DateTime.UtcNow;
Context cacheContext = new Context(new Guid(request.TraceId), Logger);
HashType type = (HashType)request.HashType;
ContentHash hash = request.ContentHash.ToContentHash((HashType)request.HashType);
// Iterate through all known stores, looking for content in each.
// In most of our configurations there is just one store anyway,
// and doing this means both we can callers don't have
// to deal with cache roots and drive letters.
foreach (KeyValuePair <string, IContentStore> entry in _contentStoreByCacheName)
{
if (entry.Value is IStreamStore store)
{
FileExistenceResult result = await store.CheckFileExistsAsync(cacheContext, hash);
if (result.Succeeded)
{
return(new ExistenceResponse {
Header = ResponseHeader.Success(startTime)
});
}
}
}
return(new ExistenceResponse {
Header = ResponseHeader.Failure(startTime, $"{hash.ToShortString()} not found in the cache")
});
}
/// <inheritdoc />
public async Task <FileExistenceResult> CheckFileExistsAsync(AbsolutePath path, TimeSpan timeout, CancellationToken cancellationToken)
{
// Extract host and contentHash from sourcePath
(string host, ContentHash contentHash) = ExtractHostHashFromAbsolutePath(path);
FileExistenceResult fileExistenceResult = null;
using (var clientWrapper = await _clientCache.CreateAsync(host, _grpcPort, _useCompression))
{
fileExistenceResult = await clientWrapper.Value.CheckFileExistsAsync(_context, contentHash);
}
return(fileExistenceResult);
}
/// <inheritdoc />
public async Task <FileExistenceResult> CheckFileExistsAsync(AbsolutePath path, TimeSpan timeout, CancellationToken cancellationToken)
{
// Extract host and contentHash from sourcePath
(string host, ContentHash contentHash) = ExtractHostHashFromAbsolutePath(path);
FileExistenceResult fileExistenceResult = null;
using (var client = GrpcCopyClient.Create(host, _grpcPort))
{
fileExistenceResult = await client.CheckFileExistsAsync(_context, contentHash);
}
return(fileExistenceResult);
}
