add:add response property to RpcResponseException.php(issue 1278)

src/rpc-client/src/Concern/ServiceTrait.php

@@ -68,7 +68,11 @@ protected function __proxyCall(string $interfaceClass, string $methodName, array
             Error::log($errorMsg);
 
             // Only to throw message and code
-            throw new RpcResponseException($message, $code);
+            $rpcResponseException = new RpcResponseException($message, $code);
+            // set response property
+            $rpcResponseException->setRpcResponse($response);
+            // throw exception
+            throw $rpcResponseException;
         }
 
         return $response->getResult();

src/rpc-client/src/Exception/RpcResponseException.php

@@ -4,6 +4,7 @@
 namespace Swoft\Rpc\Client\Exception;
 
 use Exception;
+use Swoft\Rpc\Response;
 
 /**
  * Class RpcResponseException
@@ -12,5 +13,25 @@
  */
 class RpcResponseException extends Exception
 {
+    /**
+     * response property ,it will be set when client get an error.
+     * @var $rpcResponse Response
+     */
+    private $rpcResponse;
 
-}
+    /**
+     * @return Response
+     */
+    public function getRpcResponse():Response
+    {
+        return $this->rpcResponse;
+    }
+
+    /**
+     * @param Response $rpcResponse
+     */
+    public function setRpcResponse(Response $rpcResponse): void
+    {
+        $this->rpcResponse = $rpcResponse;
+    }
+}