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author | Jürg Billeter <j@bitron.ch> | 2018-09-06 15:48:54 +0200 |
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committer | Jürg Billeter <j@bitron.ch> | 2018-09-10 17:43:25 +0200 |
commit | 1a7fb3cb325e396ff362a81997302adceef2a836 (patch) | |
tree | ad38eda56b3237fc184390cc4cfb99f2869514be | |
parent | 47f3064a1101653eb878c0fcf29a68b6fc5eadd5 (diff) | |
download | buildstream-1a7fb3cb325e396ff362a81997302adceef2a836.tar.gz |
_artifactcache/casserver.py: Implement BatchReadBlobs
Fixes #632.
-rw-r--r-- | buildstream/_artifactcache/casserver.py | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/buildstream/_artifactcache/casserver.py b/buildstream/_artifactcache/casserver.py index f89421d88..8c3ece27d 100644 --- a/buildstream/_artifactcache/casserver.py +++ b/buildstream/_artifactcache/casserver.py @@ -236,6 +236,31 @@ class _ContentAddressableStorageServicer(remote_execution_pb2_grpc.ContentAddres d.size_bytes = digest.size_bytes return response + def BatchReadBlobs(self, request, context): + response = remote_execution_pb2.BatchReadBlobsResponse() + batch_size = 0 + + for digest in request.digests: + batch_size += digest.size_bytes + if batch_size > _MAX_BATCH_TOTAL_SIZE_BYTES: + context.set_code(grpc.StatusCode.INVALID_ARGUMENT) + return response + + blob_response = response.responses.add() + blob_response.digest.hash = digest.hash + blob_response.digest.size_bytes = digest.size_bytes + try: + with open(self.cas.objpath(digest), 'rb') as f: + if os.fstat(f.fileno()).st_size != digest.size_bytes: + blob_response.status.code = grpc.StatusCode.NOT_FOUND + continue + + blob_response.data = f.read(digest.size_bytes) + except FileNotFoundError: + blob_response.status.code = grpc.StatusCode.NOT_FOUND + + return response + class _CapabilitiesServicer(remote_execution_pb2_grpc.CapabilitiesServicer): def GetCapabilities(self, request, context): |