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use crate::*;
/// Sync implementation of thread pool operations.
impl ThreadPool {
/// Creates a new thread pool with the specified number of workers.
///
/// # Arguments
///
/// - `usize` - The number of worker threads to create.
///
/// # Returns
///
/// - `ThreadPool` - The new thread pool instance.
pub fn new(size: usize) -> ThreadPool {
let (sender, receiver) = mpsc::channel();
let receiver: Arc<Mutex<Receiver<ThreadPoolJob>>> = Arc::new(Mutex::new(receiver));
let mut workers: Vec<Worker> = Vec::with_capacity(size);
let mut id: usize = 0;
loop {
if id >= size {
break;
}
let worker: Option<Worker> = Worker::new(id, Arc::clone(&receiver));
if worker.is_some() {
workers.push(worker.unwrap_or_default());
id += 1;
}
}
ThreadPool { workers, sender }
}
/// Executes a synchronous job in the thread pool.
///
/// # Arguments
///
/// - `F` - The synchronous function to execute.
///
/// # Returns
///
/// - `SendResult` - Result of the job submission.
pub fn execute<F>(&self, job: F) -> SendResult
where
F: RecoverableFunction,
{
let job_with_handler: ThreadPoolJob = Box::new(move || {
let _ = run_function(job);
});
self.sender.send(job_with_handler)
}
/// Executes a synchronous job with error handling in the thread pool.
///
/// # Arguments
///
/// - `F` - The synchronous function to execute.
/// - `E` - The error handler function.
///
/// # Returns
///
/// - `SendResult` - Result of the job submission.
pub fn execute_with_catch<F, E>(&self, job: F, handle_error: E) -> SendResult
where
F: RecoverableFunction,
E: ErrorHandlerFunction,
{
let job_with_handler: ThreadPoolJob = Box::new(move || {
if let Err(err) = run_function(job) {
let err_string: String = spawn_error_to_string(&err);
let _ = run_error_handle_function(handle_error, &err_string);
}
});
self.sender.send(job_with_handler)
}
/// Executes a synchronous job with error handling and finalization in the thread pool.
///
/// # Arguments
///
/// - `F` - The synchronous function to execute.
/// - `E` - The error handler function.
/// - `L` - The finally handler function.
///
/// # Returns
///
/// - `SendResult` - Result of the job submission.
pub fn execute_with_catch_finally<F, E, L>(
&self,
job: F,
handle_error: E,
finally: L,
) -> SendResult
where
F: RecoverableFunction,
E: ErrorHandlerFunction,
L: RecoverableFunction,
{
let job_with_handler: ThreadPoolJob = Box::new(move || {
if let Err(err) = run_function(job) {
let err_string: String = spawn_error_to_string(&err);
let _ = run_error_handle_function(handle_error, &err_string);
}
let _ = run_function(finally);
});
self.sender.send(job_with_handler)
}
/// Executes an async job in the thread pool.
///
/// # Arguments
///
/// - `F` - The async function to execute.
///
/// # Returns
///
/// - `SendResult` - Result of the job submission.
pub fn async_execute<F>(&self, job: F) -> SendResult
where
F: AsyncRecoverableFunction,
{
let job_with_handler = Box::new(move || {
Builder::new_current_thread()
.enable_all()
.build()
.unwrap()
.block_on(async move {
let _ = async_run_function(move || async {
job.call().await;
})
.await;
});
});
self.sender.send(job_with_handler)
}
/// Executes an async job with error handling in the thread pool.
///
/// # Arguments
///
/// - `F` - The async function to execute.
/// - `E` - The async error handler function.
///
/// # Returns
///
/// - `SendResult` - Result of the job submission.
pub fn async_execute_with_catch<F, E>(&self, job: F, handle_error: E) -> SendResult
where
F: AsyncRecoverableFunction,
E: AsyncErrorHandlerFunction,
{
let job_with_handler = Box::new(move || {
Builder::new_current_thread()
.enable_all()
.build()
.unwrap()
.block_on(async move {
let run_result: AsyncSpawnResult = async_run_function(move || async {
job.call().await;
})
.await;
if let Err(err) = run_result {
let err_string: String = tokio_error_to_string(&err);
let _: AsyncSpawnResult = async_run_error_handle_function(
move |err_str| async move {
handle_error.call(err_str).await;
},
Arc::new(err_string),
)
.await;
}
});
});
self.sender.send(job_with_handler)
}
/// Executes an async job with error handling and finalization in the thread pool.
///
/// # Arguments
///
/// - `F` - The async function to execute.
/// - `E` - The async error handler function.
/// - `L` - The async finally handler function.
///
/// # Returns
///
/// - `SendResult` - Result of the job submission.
pub fn async_execute_with_catch_finally<F, E, L>(
&self,
job: F,
handle_error: E,
finally: L,
) -> SendResult
where
F: AsyncRecoverableFunction,
E: AsyncErrorHandlerFunction,
L: AsyncRecoverableFunction,
{
let job_with_handler = Box::new(move || {
Builder::new_current_thread()
.enable_all()
.build()
.unwrap()
.block_on(async move {
let run_result: AsyncSpawnResult = async_run_function(move || async {
job.call().await;
})
.await;
if let Err(err) = run_result {
let err_string: String = tokio_error_to_string(&err);
let _: AsyncSpawnResult = async_run_error_handle_function(
move |err_str| async move {
handle_error.call(err_str).await;
},
Arc::new(err_string),
)
.await;
}
let _: AsyncSpawnResult = async_run_function(move || async {
finally.call().await;
})
.await;
});
});
self.sender.send(job_with_handler)
}
}