offline_protocol_reliability/
error.rs

1//! Reliability layer errors.
2
3use thiserror::Error;
4
5/// Result type alias.
6pub type Result<T> = std::result::Result<T, Error>;
7
8/// Reliability layer errors.
9// Adding a variant to a public error enum is a breaking change without
10// this attribute; downstream crates must carry a wildcard arm.
11#[non_exhaustive]
12#[derive(Debug, Error)]
13pub enum Error {
14    /// ACK timeout.
15    #[error("ACK timeout for message {0}")]
16    AckTimeout(String),
17
18    /// The pending-ACK table is full and nothing in it may be evicted for
19    /// this message.
20    ///
21    /// Typed rather than a string so a caller can tell "this frame cannot be
22    /// tracked right now" (defer it) from a genuine fault. A caller that
23    /// treats it as fatal after the frame has been transmitted reports a
24    /// failure for a message that is already on the wire.
25    #[error("Pending ACK table is full ({max} entries)")]
26    AckCapacity {
27        /// The configured ceiling.
28        max: usize,
29    },
30
31    /// Core error.
32    #[error("Core error: {0}")]
33    Core(#[from] offline_protocol_core::Error),
34
35    /// Generic error.
36    #[error("{0}")]
37    Other(String),
38}
offline_protocol_reliability/error.rs

offline_protocol_reliability/
error.rs
