Add Promise support for http callout

fix licenses and bazel (maybe)

Signed-off-by: jizhuozhi.george <[email protected]>

Author: jizhuozhi.george

BUILD

@@ -29,7 +29,7 @@ cargo_build_script(
 
 rust_library(
     name = "proxy_wasm",
-    srcs = glob(["src/*.rs"]),
+    srcs = glob(["src/*.rs", "src/callout/*.rs"]),
     edition = "2018",
     visibility = ["//visibility:public"],
     deps = [

src/callout/http.rs

@@ -1,3 +1,17 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 use crate::callout::promise::Promise;
 use crate::hostcalls;
 use std::collections::HashMap;

src/callout/mod.rs

@@ -1,2 +1,16 @@
+// Copyright 2024 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
 pub mod http;
 pub mod promise;

src/lib.rs

@@ -12,14 +12,15 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-mod allocator;
 pub mod callout;
-mod dispatcher;
 pub mod hostcalls;
-mod logger;
 pub mod traits;
 pub mod types;
 
+mod allocator;
+mod dispatcher;
+mod logger;
+
 // For crate-type="cdylib".
 #[cfg(not(wasi_exec_model_reactor))]
 #[macro_export]