guohao commented on a change in pull request #8712:
URL: https://github.com/apache/dubbo/pull/8712#discussion_r703981572



##########
File path: 
dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/GrpcStatus.java
##########
@@ -82,6 +88,31 @@ public static byte toDubboStatus(Code code) {
         return status;
     }
 
+    public static GrpcStatus rpcExceptionCodeToGrpc(int rpcExceptionCode) {
+        Code code;
+        switch (rpcExceptionCode) {
+            case TIMEOUT_EXCEPTION:
+                code = Code.DEADLINE_EXCEEDED;
+                break;
+            case FORBIDDEN_EXCEPTION:
+                code = Code.PERMISSION_DENIED;
+                break;
+            case LIMIT_EXCEEDED_EXCEPTION:
+                code = Code.ABORTED;

Review comment:
       https://github.com/grpc/grpc/blob/master/doc/http-grpc-status-mapping.md
   
   UNAVAILABLE will be better

##########
File path: 
dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/GrpcStatus.java
##########
@@ -82,6 +88,31 @@ public static byte toDubboStatus(Code code) {
         return status;
     }
 
+    public static GrpcStatus rpcExceptionCodeToGrpc(int rpcExceptionCode) {
+        Code code;
+        switch (rpcExceptionCode) {
+            case TIMEOUT_EXCEPTION:
+                code = Code.DEADLINE_EXCEEDED;
+                break;
+            case FORBIDDEN_EXCEPTION:
+                code = Code.PERMISSION_DENIED;
+                break;
+            case LIMIT_EXCEEDED_EXCEPTION:
+                code = Code.ABORTED;
+                break;
+            case TIMEOUT_TERMINATE:
+                code = Code.OUT_OF_RANGE;
+                break;
+            case METHOD_NOT_FOUND:
+                code = Code.NOT_FOUND;
+                break;
+            default:
+                code = Code.UNKNOWN;
+                break;
+        }
+        return fromCode(code);
+    }
+

Review comment:
       Add `NETWORK_EXCEPTION` -> `UNAVAILABLE`
   `SERIALIZATION_EXCEPTION` -> `INTERNAL`
   
   

##########
File path: 
dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/GrpcStatus.java
##########
@@ -82,6 +88,31 @@ public static byte toDubboStatus(Code code) {
         return status;
     }
 
+    public static GrpcStatus rpcExceptionCodeToGrpc(int rpcExceptionCode) {
+        Code code;
+        switch (rpcExceptionCode) {
+            case TIMEOUT_EXCEPTION:
+                code = Code.DEADLINE_EXCEEDED;
+                break;
+            case FORBIDDEN_EXCEPTION:
+                code = Code.PERMISSION_DENIED;
+                break;
+            case LIMIT_EXCEEDED_EXCEPTION:
+                code = Code.ABORTED;
+                break;
+            case TIMEOUT_TERMINATE:
+                code = Code.OUT_OF_RANGE;

Review comment:
       DEADLINE_EXCEEDED




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