WIP

streams/Cargo.toml

@@ -17,6 +17,7 @@ arrayref = "0.3.6"
 crc32fast = "1.3.2"
 byteorder = "1.4.3"
 chrono = { version = "0.4.19", features = ["serde"] }
+wasmer = { version = "3.1.1", default-features = false, features = ["sys", "cranelift"] }
 err = { path = "../err" }
 netpod = { path = "../netpod" }
 items = { path = "../items" }

streams/src/plaineventsjson.rs

@@ -17,6 +17,17 @@ pub async fn plain_events_json(
     chconf: &ChConf,
     cluster: &Cluster,
 ) -> Result<JsonValue, Error> {
+    if query.channel().name() == "wasm-test-01" {
+        use wasmer::Value;
+        let wasm = query.channel().name().as_bytes();
+        let mut store = wasmer::Store::default();
+        let module = wasmer::Module::new(&store, wasm).unwrap();
+        let import_object = wasmer::imports! {};
+        let instance = wasmer::Instance::new(&mut store, &module, &import_object).unwrap();
+        let add_one = instance.exports.get_function("event_transform").unwrap();
+        let result = add_one.call(&mut store, &[Value::I32(42)]).unwrap();
+        assert_eq!(result[0], Value::I32(43));
+    }
     // TODO remove magic constant
     let deadline = Instant::now() + query.timeout() + Duration::from_millis(1000);
     let events_max = query.events_max();

streams/src/test/timebin.rs

@@ -16,8 +16,8 @@ fn time_bin_00() {
         let edges = [0, 1, 2, 3, 4, 5, 6, 7, 8].into_iter().map(|x| SEC * x).collect();
         let evs0 = make_some_boxed_d0_f32(10, SEC * 1, MS * 500, 0, 1846713782);
         let v0 = ChannelEvents::Events(evs0);
-        let v2 = ChannelEvents::Status(ConnStatusEvent::new(MS * 100, ConnStatus::Connect));
-        let v4 = ChannelEvents::Status(ConnStatusEvent::new(MS * 6000, ConnStatus::Disconnect));
+        let v2 = ChannelEvents::Status(Some(ConnStatusEvent::new(MS * 100, ConnStatus::Connect)));
+        let v4 = ChannelEvents::Status(Some(ConnStatusEvent::new(MS * 6000, ConnStatus::Disconnect)));
         let stream0 = Box::pin(stream::iter(vec![
             //
             sitem_data(v2),