Borrowed request views: ServiceRequest and StreamMessage on buffa 0.7.0

Cargo.toml

@@ -29,15 +29,16 @@ futures = "0.3"
 pin-project = "1"
 async-trait = "0.1"
 
-# Protobuf. The 0.6 floor matches the regen baseline for the checked-in
-# generated code: 0.6.0 adds `with_*` setters for explicit-presence fields,
-# `MessageName`/`Serialize` impls on view types, and stops emitting empty
-# `__oneof`/`__ext`/`__view_oneof` ancillary files. (connectrpc-build also
-# sources the generated `mod.rs` `#[allow(...)]` list from
-# `buffa_codegen::ALLOW_LINTS`, present since 0.5.1.)
-buffa = { version = "0.6", features = ["json"] }
-buffa-types = { version = "0.6", features = ["json"] }
-buffa-codegen = { version = "0.6" }
+# Protobuf. The 0.7 floor matches the regen baseline for the checked-in
+# generated code and the request/stream-item API: 0.7.0 adds the
+# `HasMessageView` trait and the generated `FooOwnedView` accessor wrappers
+# that `ServiceRequest`/`StreamMessage` are built on, and removes the
+# `OwnedView` `Deref` impl that earlier handler signatures relied on.
+# (connectrpc-build also sources the generated `mod.rs` `#[allow(...)]` list
+# from `buffa_codegen::ALLOW_LINTS`, present since 0.5.1.)
+buffa = { version = "0.7", features = ["json"] }
+buffa-types = { version = "0.7", features = ["json"] }
+buffa-codegen = { version = "0.7" }
 
 # Serialization
 serde = { version = "1", features = ["derive"] }

README.md

@@ -154,7 +154,12 @@ Changing the mount point requires regenerating.
 
 > The underlying option is `extern_path=.=crate::proto` - same format the
 > Buf Schema Registry uses when generating Cargo SDKs. `buffa_module=X`
-> is shorthand for the `.` catch-all case.
+> is shorthand for the `.` catch-all case. Any module an `extern_path`
+> points at must be buffa-generated code from buffa 0.7.0 or newer with
+> views enabled (buffa-types 0.7+ for the well-known types): the service
+> stubs rely on the `HasMessageView` impls and owned-view wrappers that
+> buffa generates alongside each message, just as they rely on the JSON
+> serialization impls.
 
 #### Option B - `build.rs` (generated at build time)
 
@@ -346,8 +351,8 @@ Code generated by `protoc-gen-connect-rust` requires these dependencies:
 ```toml
 [dependencies]
 connectrpc = { version = "0.6", features = ["client"] }
-buffa = { version = "0.6", features = ["json"] }
-buffa-types = { version = "0.6", features = ["json"] }
+buffa = { version = "0.7", features = ["json"] }
+buffa-types = { version = "0.7", features = ["json"] }
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 http-body = "1"