feat: protobuf communication

2026-08-24 23:32:04 +10:00 · 2026-02-04 13:44:07 +11:00
parent 34f2a92785
commit aa46a88957
19 changed files with 520 additions and 261 deletions
@@ -0,0 +1,37 @@
+use crate::proto::{self, version::version_response::Manifest};
+
+fn fixed_length<T, const N: usize>(v: Vec<T>) -> [T; N] {
+    v.try_into()
+        .unwrap_or_else(|v: Vec<T>| panic!("Expected a Vec of length {} but it was {}", N, v.len()))
+}
+
+pub fn convert_protobuf_manifest(source: Manifest) -> droplet_rs::manifest::Manifest {
+    droplet_rs::manifest::Manifest {
+        version: source.version,
+        chunks: source
+            .chunks
+            .into_iter()
+            .map(|(id, chunk_data)| {
+                (
+                    id,
+                    droplet_rs::manifest::ChunkData {
+                        files: chunk_data
+                            .files
+                            .into_iter()
+                            .map(|file_entry| droplet_rs::manifest::FileEntry {
+                                filename: file_entry.filename,
+                                start: file_entry.start.try_into().unwrap(),
+                                length: file_entry.length.try_into().unwrap(),
+                                permissions: file_entry.permissions,
+                            })
+                            .collect(),
+                        checksum: chunk_data.checksum,
+                        iv: fixed_length(chunk_data.iv),
+                    },
+                )
+            })
+            .collect(),
+        size: source.size,
+        key: fixed_length(source.key),
+    }
+}