jinrongluo commented on a change in pull request #593:
URL:
https://github.com/apache/incubator-eventmesh/pull/593#discussion_r750507338
##########
File path: docs/cn/instructions/eventmesh-runtime-protocol.md
##########
@@ -258,3 +258,123 @@ public class LiteMessage {
| 场景 | Server向Client发送消息请求码 | Client回复Server消息响应码 | 说明
|
| ------------------ | ---------------------------- |
-------------------------- | ---------------------- |
| 客户端接收异步事件 | HTTP_PUSH_CLIENT_ASYNC(105) | retCode |
retCode值为0时代表成功 |
+
+
+## gRPC 协议文档
+
+#### 1. protobuf
+
+在 `eventmesh-protocol-gprc` 模块有 Eventmesh gRPC 客户端的 protobuf 文件. the protobuf
文件路径是 `/src/main/proto/eventmesh-client.proto`.
+
+用gradle build 生成 gRPC 代码在 `/build/generated/source/proto/main`. 生成代码用于
`eventmesh-sdk-java` 模块.
+
+#### 2. gRPC 数据模型
+
+- 消息
+
+以下消息数据模型用于 `publish()`, `requestReply()` 和 `broadcast()` APIs.
+
+```
+message RequestHeader {
+ string env = 1;
+ string region = 2;
+ string idc = 3;
Review comment:
This is V1 version of protobuf and we are experimenting this grpc
transport feature.
Please review and comment on this set of header attributes and improve it
in V2. @qqeasonchen @ruanwenjun
Thanks.
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