refactor(tvix/store): move blob splitting into a BlobWriter struct r/5927

This will moves the chunking-as-we-receive logic that so far only lived
in grpc_blobservice_wrapper.rs into a generic BlobWriter.

Change-Id: Ief7d1bda3c6280129f7139de3f6c4174be2ca6ea
Reviewed-on: https://cl.tvl.fyi/c/depot/+/8154
Tested-by: BuildkiteCI
Reviewed-by: raitobezarius <tvl@lahfa.xyz>

1 files changed, 10 insertions, 0 deletions

diff --git a/tvix/store/src/errors.rs b/tvix/store/src/errors.rs
index 25e87c8aa239..36a4320cb3e6 100644
--- a/tvix/store/src/errors.rs
+++ b/tvix/store/src/errors.rs
@@ -26,3 +26,13 @@ impl From<Error> for Status {
         }
     }
 }
+
+// TODO: this should probably go somewhere else?
+impl From<Error> for std::io::Error {
+    fn from(value: Error) -> Self {
+        match value {
+            Error::InvalidRequest(msg) => Self::new(std::io::ErrorKind::InvalidInput, msg),
+            Error::StorageError(msg) => Self::new(std::io::ErrorKind::Other, msg),
+        }
+    }
+}