feat: implements Promise for dispatch callback

plugins/wasm-rust/examples/http-dispatch-example/Cargo.toml

@@ -0,0 +1,15 @@
+[package]
+name = "http-dispatch-example"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+[lib]
+crate-type = ["cdylib"]
+
+[dependencies]
+higress-wasm-rust = { path = "../../", version = "0.1.0" }
+proxy-wasm = { git="https://github.com/higress-group/proxy-wasm-rust-sdk", branch="main", version="0.2.2" }
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"

plugins/wasm-rust/examples/http-dispatch-example/Makefile

@@ -0,0 +1,11 @@
+BUILD_OPTS="--release"
+
+.DEFAULT:
+build:
+	rustup target add wasm32-wasi
+	cargo build --target wasm32-wasi ${BUILD_OPTS}
+	find target -name "*.wasm" -d 3 -exec cp "{}" plugin.wasm \;
+
+clean:
+	cargo clean
+	rm -f plugin.wasm

plugins/wasm-rust/examples/http-dispatch-example/README.md

@@ -0,0 +1,26 @@
+---
+title: http-dispatch-example
+keywords: 
+description: 
+---
+
+## 功能说明
+
+
+
+## 运行属性
+
+stage：`默认阶段`
+level：`10`
+
+### 配置说明
+
+| Name     | Type     | Requirement | Default  | Description |
+| -------- | -------- | --------    | -------- | --------    |
+|          |          |             |          |             |
+
+#### 配置示例
+
+```yaml
+
+```

plugins/wasm-rust/examples/http-dispatch-example/README_EN.md

@@ -0,0 +1,26 @@
+---
+title: http-dispatch-example
+keywords: 
+description: 
+---
+
+## Description
+
+
+
+## Runtime
+
+phase：`UNSPECIFIED_PHASE`
+priority：`10`
+
+### Config
+
+| Name     | Type     | Requirement | Default  | Description |
+| -------- | -------- | --------    | -------- | --------    |
+|          |          |             |          |             |
+
+#### Example
+
+```yaml
+
+```

plugins/wasm-rust/examples/http-dispatch-example/VERSION

@@ -0,0 +1 @@
+0.1.0

plugins/wasm-rust/examples/http-dispatch-example/docker-compose.yaml

@@ -0,0 +1,38 @@
+# Copyright (c) 2023 Alibaba Group Holding Ltd.
+#
+# 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.
+
+services:
+  envoy:
+    image: higress-registry.cn-hangzhou.cr.aliyuncs.com/higress/all-in-one:latest
+    entrypoint: /usr/local/bin/envoy
+    command: -c /etc/envoy/envoy.yaml --component-log-level wasm:debug
+    depends_on:
+      - httpbin
+    hostname: envoy
+    ports:
+      - "10000:10000"
+    volumes:
+      - ./envoy.yaml:/etc/envoy/envoy.yaml
+      - ./plugin.wasm:/etc/envoy/plugin.wasm
+    networks:
+      - envoymesh
+  httpbin:
+    image: mccutchen/go-httpbin
+    hostname: httpbin
+    ports:
+      - "8080:8080"
+    networks:
+      - envoymesh
+networks:
+  envoymesh: {}