sat-rs/satrs/src/queue.rs

70 lines
2.2 KiB
Rust

#[cfg(feature = "std")]
use std::sync::mpsc;
use crate::ComponentId;
/// Generic channel ID type.
pub type ChannelId = u32;
/// Generic error type for sending something via a message queue.
#[derive(Debug, Copy, Clone, PartialEq, Eq, thiserror::Error)]
pub enum GenericSendError {
#[error("rx side has disconnected")]
RxDisconnected,
#[error("queue with max capacity of {0:?} is full")]
QueueFull(Option<u32>),
#[error("target queue with ID {0} does not exist")]
TargetDoesNotExist(ComponentId),
}
/// Generic error type for sending something via a message queue.
#[derive(Debug, Copy, Clone, PartialEq, Eq, thiserror::Error)]
pub enum GenericReceiveError {
#[error("nothing to receive")]
Empty,
#[error("tx side with id {0:?} has disconnected")]
TxDisconnected(Option<ComponentId>),
}
#[derive(Debug, Clone, thiserror::Error)]
pub enum GenericTargetedMessagingError {
#[error("generic targeted messaging send error: {0}")]
Send(#[from] GenericSendError),
#[error("generic targeted messaging receive error: {0}")]
Receive(#[from] GenericReceiveError),
}
#[cfg(feature = "std")]
impl<T> From<mpsc::SendError<T>> for GenericSendError {
fn from(_: mpsc::SendError<T>) -> Self {
GenericSendError::RxDisconnected
}
}
#[cfg(feature = "std")]
impl<T> From<mpsc::TrySendError<T>> for GenericSendError {
fn from(err: mpsc::TrySendError<T>) -> Self {
match err {
mpsc::TrySendError::Full(_) => GenericSendError::QueueFull(None),
mpsc::TrySendError::Disconnected(_) => GenericSendError::RxDisconnected,
}
}
}
#[cfg(feature = "crossbeam")]
impl<T> From<crossbeam_channel::SendError<T>> for GenericSendError {
fn from(_: crossbeam_channel::SendError<T>) -> Self {
GenericSendError::RxDisconnected
}
}
#[cfg(feature = "crossbeam")]
impl<T> From<crossbeam_channel::TrySendError<T>> for GenericSendError {
fn from(err: crossbeam_channel::TrySendError<T>) -> Self {
match err {
crossbeam_channel::TrySendError::Full(_) => GenericSendError::QueueFull(None),
crossbeam_channel::TrySendError::Disconnected(_) => GenericSendError::RxDisconnected,
}
}
}