feat(rpc): implement wasmtime_rpc::link_function

Signed-off-by: Roman Volosatovs <rvolosatovs@riseup.net>

Cargo.toml

@@ -136,6 +136,7 @@ members = [
   "crates/bench-api",
   "crates/c-api/artifact",
   "crates/environ/fuzz",
+  "crates/rpc",
   "crates/test-programs",
   "crates/wasi-preview1-component-adapter",
   "crates/wasi-preview1-component-adapter/verify",
@@ -320,6 +321,9 @@ humantime = "2.0.0"
 postcard = { version = "1.0.8", default-features = false, features = ['alloc'] }
 criterion = { version = "0.5.0", default-features = false, features = ["html_reports", "rayon"] }
 rustc-hash = "1.1.0"
+tokio-util = "0.7.4"
+wasm-tokio = "0.4.0"
+wrpc-transport = "0.25.0"
 
 # =============================================================================
 #

crates/rpc/Cargo.toml

@@ -0,0 +1,28 @@
+[package]
+name = "wasmtime-rpc"
+description = "RPC-based Wasmtime functionality extensions"
+
+version.workspace = true
+authors.workspace = true
+edition.workspace = true
+rust-version.workspace = true
+
+[dependencies]
+anyhow = { workspace = true }
+bytes = { workspace = true }
+futures = { workspace = true, features = ["alloc"] }
+tracing = { workspace = true }
+tokio = { workspace = true, features = ["macros"] }
+tokio-util = { workspace = true, features = ["codec"] }
+wasm-tokio = { workspace = true }
+wasmtime = { workspace = true }
+wasmtime-wasi = { workspace = true }
+wrpc-transport = { workspace = true }
+
+[dev-dependencies]
+test-log = { workspace = true }
+test-programs-artifacts = { workspace = true }
+tracing-subscriber = { workspace = true }
+
+[lints]
+workspace = true