| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you 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. |
| |
| //! Thrift compiler auto-generated support. |
| //! |
| //! |
| //! Types and functions used internally by the Thrift compiler's Rust plugin |
| //! to implement required functionality. Users should never have to use code |
| //! in this module directly. |
| |
| use protocol::{TInputProtocol, TOutputProtocol}; |
| |
| /// Specifies the minimum functionality an auto-generated client should provide |
| /// to communicate with a Thrift server. |
| pub trait TThriftClient { |
| /// Returns the input protocol used to read serialized Thrift messages |
| /// from the Thrift server. |
| fn i_prot_mut(&mut self) -> &mut dyn TInputProtocol; |
| /// Returns the output protocol used to write serialized Thrift messages |
| /// to the Thrift server. |
| fn o_prot_mut(&mut self) -> &mut dyn TOutputProtocol; |
| /// Returns the sequence number of the last message written to the Thrift |
| /// server. Returns `0` if no messages have been written. Sequence |
| /// numbers should *never* be negative, and this method returns an `i32` |
| /// simply because the Thrift protocol encodes sequence numbers as `i32` on |
| /// the wire. |
| fn sequence_number(&self) -> i32; // FIXME: consider returning a u32 |
| /// Increments the sequence number, indicating that a message with that |
| /// number has been sent to the Thrift server. |
| fn increment_sequence_number(&mut self) -> i32; |
| } |