proxmox-backup/src/task.rs

57 lines
1.6 KiB
Rust

use anyhow::Error;
/// `WorkerTask` methods commonly used from contexts otherwise not related to the API server.
pub trait TaskState {
/// If the task should be aborted, this should fail with a reasonable error message.
fn check_abort(&self) -> Result<(), Error>;
/// Create a log message for this task.
fn log(&self, level: log::Level, message: &std::fmt::Arguments);
}
/// Convenience implementation:
impl<T: TaskState + ?Sized> TaskState for std::sync::Arc<T> {
fn check_abort(&self) -> Result<(), Error> {
<T as TaskState>::check_abort(&*self)
}
fn log(&self, level: log::Level, message: &std::fmt::Arguments) {
<T as TaskState>::log(&*self, level, message)
}
}
#[macro_export]
macro_rules! task_error {
($task:expr, $($fmt:tt)+) => {{
$crate::task::TaskState::log(&*$task, log::Level::Error, &format_args!($($fmt)+))
}};
}
#[macro_export]
macro_rules! task_warn {
($task:expr, $($fmt:tt)+) => {{
$crate::task::TaskState::log(&*$task, log::Level::Warn, &format_args!($($fmt)+))
}};
}
#[macro_export]
macro_rules! task_log {
($task:expr, $($fmt:tt)+) => {{
$crate::task::TaskState::log(&*$task, log::Level::Info, &format_args!($($fmt)+))
}};
}
#[macro_export]
macro_rules! task_debug {
($task:expr, $($fmt:tt)+) => {{
$crate::task::TaskState::log(&*$task, log::Level::Debug, &format_args!($($fmt)+))
}};
}
#[macro_export]
macro_rules! task_trace {
($task:expr, $($fmt:tt)+) => {{
$crate::task::TaskState::log(&*$task, log::Level::Trace, &format_args!($($fmt)+))
}};
}