fidl_next_protocol/
error.rs

1// Copyright 2024 The Fuchsia Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5use thiserror::Error;
6
7use fidl_next_codec::DecodeError;
8
9/// Errors that can be produced by FIDL clients and servers.
10#[derive(Error, Clone, Debug)]
11pub enum ProtocolError<E> {
12    /// The underlying transport encountered an error.
13    #[error("the underlying transport encountered an error: {0}")]
14    TransportError(E),
15
16    /// The underlying transport was stopped gracefully.
17    #[error("the transport was stopped gracefully")]
18    Stopped,
19
20    /// The underlying transport was closed by the peer.
21    #[error("the underlying transport was closed by the peer")]
22    PeerClosed,
23
24    /// The underlying transport was closed by the peer with an epitaph.
25    #[error("the underlying transport was closed by the peer with epitaph: {0}")]
26    PeerClosedWithEpitaph(i32),
27
28    /// The client or server received a message with an invalid protocol header.
29    #[error("received a message with an invalid message header: {0}")]
30    InvalidMessageHeader(DecodeError),
31
32    /// The client received an epitaph with an invalid body.
33    #[error("received an epitaph with an invalid body")]
34    InvalidEpitaphBody(DecodeError),
35
36    /// The client received a response for a two-way message which it did not send.
37    #[error("received a response which did not correspond to a pending request: txid {txid}")]
38    UnrequestedResponse {
39        /// The transaction ID which there is no pending response for.
40        txid: u32,
41    },
42
43    /// The client received a response with the wrong ordinal for the two-way message.
44    #[error(
45        "received a response with the wrong ordinal for the two-way message; expected ordinal \
46        {expected}, but got ordinal {actual}"
47    )]
48    InvalidResponseOrdinal {
49        /// The expected ordinal of the response
50        expected: u64,
51        /// The actual ordinal of the response
52        actual: u64,
53    },
54}
fidl_next_protocol/error.rs

fidl_next_protocol/
error.rs
