From fdbac208cd932890e0ed6877aaa9fb87a6a6809e Mon Sep 17 00:00:00 2001
From: Christof Petig <christof.petig@arcor.de>
Date: Sun, 8 Dec 2024 23:33:11 +0100
Subject: [PATCH] note problem and fix warnings

---
 crates/cpp/tests/symmetric_async/Cargo.lock   | 622 ++++++++++++++++++
 .../async_module/src/async_module.rs          |   2 +-
 .../tests/symmetric_async/sleep/src/lib.rs    |   4 +-
 crates/symmetric_executor/Cargo.lock          | 587 +++++++++++++++++
 .../symmetric_executor/rust-client/Cargo.lock | 585 ++++++++++++++++
 .../rust-client/src/async_support.rs          |   4 +-
 crates/symmetric_executor/src/lib.rs          |   2 +
 7 files changed, 1801 insertions(+), 5 deletions(-)
 create mode 100644 crates/cpp/tests/symmetric_async/Cargo.lock
 create mode 100644 crates/symmetric_executor/Cargo.lock
 create mode 100644 crates/symmetric_executor/rust-client/Cargo.lock

diff --git a/crates/cpp/tests/symmetric_async/Cargo.lock b/crates/cpp/tests/symmetric_async/Cargo.lock
new file mode 100644
index 000000000..d801f4b8c
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+++ b/crates/cpp/tests/symmetric_async/Cargo.lock
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diff --git a/crates/cpp/tests/symmetric_async/async_module/src/async_module.rs b/crates/cpp/tests/symmetric_async/async_module/src/async_module.rs
index 5ea6409c1..c331bab94 100644
--- a/crates/cpp/tests/symmetric_async/async_module/src/async_module.rs
+++ b/crates/cpp/tests/symmetric_async/async_module/src/async_module.rs
@@ -184,7 +184,7 @@ mod _rt {
         wit_bindgen::rt::run_ctors_once();
     }
     pub use alloc_crate::string::String;
-    pub use alloc_crate::vec::Vec;
+    // pub use alloc_crate::vec::Vec;
     pub mod stream_and_future_support {
         use {
             futures::{
diff --git a/crates/cpp/tests/symmetric_async/sleep/src/lib.rs b/crates/cpp/tests/symmetric_async/sleep/src/lib.rs
index 1c0b699d6..2d5ba58e8 100644
--- a/crates/cpp/tests/symmetric_async/sleep/src/lib.rs
+++ b/crates/cpp/tests/symmetric_async/sleep/src/lib.rs
@@ -1,6 +1,8 @@
 #[link(name = "symmetric_executor")]
 extern "C" {
-    fn symmetricX3AruntimeX2Fsymmetric_executorX400X2E1X2E0X00X5BstaticX5Devent_subscriptionX2Efrom_timeout(nanoseconds: u64) -> *mut ();
+    fn symmetricX3AruntimeX2Fsymmetric_executorX400X2E1X2E0X00X5BstaticX5Devent_subscriptionX2Efrom_timeout(
+        nanoseconds: u64,
+    ) -> *mut ();
 }
 
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new file mode 100644
index 000000000..9089207e4
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+[[package]]
+name = "wit-bindgen-core"
+version = "0.36.0"
+dependencies = [
+ "anyhow",
+ "heck",
+ "wit-parser",
+]
+
+[[package]]
+name = "wit-bindgen-rt"
+version = "0.36.0"
+dependencies = [
+ "bitflags",
+ "futures",
+ "once_cell",
+]
+
+[[package]]
+name = "wit-bindgen-rust"
+version = "0.36.0"
+dependencies = [
+ "anyhow",
+ "heck",
+ "indexmap",
+ "prettyplease",
+ "syn",
+ "wasm-metadata",
+ "wit-bindgen-core",
+ "wit-component",
+]
+
+[[package]]
+name = "wit-bindgen-rust-macro"
+version = "0.36.0"
+dependencies = [
+ "anyhow",
+ "prettyplease",
+ "proc-macro2",
+ "quote",
+ "syn",
+ "wit-bindgen-core",
+ "wit-bindgen-rust",
+]
+
+[[package]]
+name = "wit-bindgen-symmetric-rt"
+version = "0.36.0"
+dependencies = [
+ "futures",
+ "wit-bindgen",
+]
+
+[[package]]
+name = "wit-component"
+version = "0.221.2"
+source = "git+https://github.com/cpetig/wasm-tools?branch=symmetric#50a75a9c0690ad9b8280655253cf4b7b25b9c41e"
+dependencies = [
+ "anyhow",
+ "bitflags",
+ "indexmap",
+ "log",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "wasm-encoder",
+ "wasm-metadata",
+ "wasmparser",
+ "wit-parser",
+]
+
+[[package]]
+name = "wit-parser"
+version = "0.221.2"
+source = "git+https://github.com/cpetig/wasm-tools?branch=symmetric#50a75a9c0690ad9b8280655253cf4b7b25b9c41e"
+dependencies = [
+ "anyhow",
+ "id-arena",
+ "indexmap",
+ "log",
+ "semver",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "unicode-xid",
+ "wasmparser",
+]
diff --git a/crates/symmetric_executor/rust-client/src/async_support.rs b/crates/symmetric_executor/rust-client/src/async_support.rs
index b680a2af5..618a9d718 100644
--- a/crates/symmetric_executor/rust-client/src/async_support.rs
+++ b/crates/symmetric_executor/rust-client/src/async_support.rs
@@ -1,6 +1,5 @@
 use futures::{channel::oneshot, task::Waker, FutureExt};
 use std::{
-    alloc::Layout,
     any::Any,
     collections::hash_map,
     future::Future,
@@ -9,9 +8,8 @@ use std::{
 };
 
 use crate::module::symmetric::runtime::{
-    self,
     symmetric_executor::{
-        self, CallbackData, CallbackFunction, CallbackState, EventGenerator, EventSubscription,
+        self, CallbackState, EventGenerator, EventSubscription,
     },
 };
 
diff --git a/crates/symmetric_executor/src/lib.rs b/crates/symmetric_executor/src/lib.rs
index 2b4644358..fc457e5b8 100644
--- a/crates/symmetric_executor/src/lib.rs
+++ b/crates/symmetric_executor/src/lib.rs
@@ -205,11 +205,13 @@ impl symmetric_executor::Guest for Guest {
         data: symmetric_executor::CallbackData,
     ) -> () {
         // TODO: Tidy this mess up
+        // Note: Trigger is consumed, callback and data are managed elsewhere
         let mut subscr = EventSubscription {
             inner: EventType::SystemTime(std::time::UNIX_EPOCH),
             callback: None,
         };
         std::mem::swap(&mut subscr, unsafe {
+            // TODO: This should be handle to free the resource, but it is used later?
             &mut *(trigger.take_handle() as *mut EventSubscription)
         });
         let cb: fn(*mut ()) -> CallbackState = unsafe { transmute(callback.take_handle()) };