Add grpc retry (#1160)

* Add grpc retry

* Update grpc retry

* Add tests

* Fix a bug

* Add api && some tests

* Add comment

* Add double check

* Add server retry quota

* Update optimize code

* Fix bug

* Update optimize code

* Update optimize code

* Fix bug

zrpc/internal/client.go

@@ -31,6 +31,7 @@ type (
 	// A ClientOptions is a client options.
 	ClientOptions struct {
 		Timeout     time.Duration
+		Retry       bool
 		DialOptions []grpc.DialOption
 	}
 
@@ -72,6 +73,7 @@ func (c *client) buildDialOptions(opts ...ClientOption) []grpc.DialOption {
 			clientinterceptors.PrometheusInterceptor,
 			clientinterceptors.BreakerInterceptor,
 			clientinterceptors.TimeoutInterceptor(cliOpts.Timeout),
+			clientinterceptors.RetryInterceptor(cliOpts.Retry),
 		),
 		WithStreamClientInterceptors(
 			clientinterceptors.StreamTracingInterceptor,
@@ -117,6 +119,13 @@ func WithTimeout(timeout time.Duration) ClientOption {
 	}
 }
 
+// WithRetry returns a func to customize a ClientOptions with auto retry.
+func WithRetry() ClientOption {
+	return func(options *ClientOptions) {
+		options.Retry = true
+	}
+}
+
 // WithUnaryClientInterceptor returns a func to customize a ClientOptions with given interceptor.
 func WithUnaryClientInterceptor(interceptor grpc.UnaryClientInterceptor) ClientOption {
 	return func(options *ClientOptions) {