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//! Strict cassette replay over the production device-layer contracts.
//!
//! This module owns mutable virtual topology, replay channels, response
//! barriers, and diagnostics. Persisted schemas and privacy verification live
//! in `openlogi-fixture`.
mod backend;
mod barrier;
mod channel;
mod slots;
use openlogi_fixture::FixtureError;
use thiserror::Error;
pub use backend::{
ChannelConnection, NodePresence, OpenOutcome, RawWriterAvailability, ReceiverLinkState,
ReceiverSlot, ReceiverSlotState, ReplayBackend, ReplayChannel, ReplayNode, ReplayTopology,
};
pub use barrier::ReplayResponseBarrier;
pub use channel::{
ReplayChannelHandle, ReplayCompletion, ReplayMismatch, ReplayRawHidChannel, ReplayRawWriter,
ReplayRawWriterHandle,
};
/// A replay topology, matching, or completion failure.
#[derive(Clone, Debug, Error, PartialEq, Eq)]
pub enum ReplayError {
/// A persisted fixture contract is invalid.
#[error(transparent)]
Fixture(#[from] FixtureError),
/// Mutable replay state violates a runtime invariant.
#[error("invalid {asset}: {message}")]
InvalidState {
/// Human-readable replay asset kind.
asset: &'static str,
/// Specific failed invariant.
message: String,
},
/// No pending cassette exchange matched an outgoing report.
#[error("unmatched HID request: actual={actual}, hidpp20_normalized={normalized}")]
UnmatchedRequest {
/// Exact outgoing bytes as lowercase hex.
actual: String,
/// The same bytes with only the HID++ 2.0 software-ID nibble cleared.
normalized: String,
},
/// One or more required cassette exchanges were not consumed.
#[error("required cassette exchanges were not consumed: {requests:?}")]
UnconsumedExchanges {
/// Normalized request keys that remained pending.
requests: Vec<String>,
},
/// A topology operation named a node that does not exist.
#[error("unknown replay node {0}")]
UnknownNode(String),
/// A topology operation named a logical channel that does not exist.
#[error("unknown replay channel {0}")]
UnknownChannel(String),
}
impl ReplayError {
fn invalid(asset: &'static str, message: impl Into<String>) -> Self {
Self::InvalidState {
asset,
message: message.into(),
}
}
}
#[cfg(test)]
mod session_replay_tests;
#[cfg(test)]
mod tests;