A thread-based worker pool.
- class cheroot.workers.threadpool.ThreadPool(server, min=10, max=- 1, accepted_queue_size=- 1, accepted_queue_timeout=10)¶
A Request Queue for an HTTPServer which pools threads.
ThreadPool objects must provide min, get(), put(obj), start() and stop(timeout) attributes.
Clear self._threads and yield all joinable threads.
- static _force_close(conn)¶
Spawn new worker threads (not above self.max).
- property idle¶
Number of worker threads which are idle. Read-only.
Put request into queue.
- obj (
HTTPConnection): HTTP connection
waiting to be processed
- obj (
- property qsize¶
Return the queue size.
Kill off worker threads (not below self.min).
Start the pool of threads.
Terminate all worker threads.
timeout (int): time to wait for threads to stop gracefully
- class cheroot.workers.threadpool.WorkerThread(server)¶
Thread which continuously polls a Queue for Connection objects.
Due to the timing issues of polling a Queue, a WorkerThread does not check its own ‘ready’ flag after it has started. To stop the thread, it is necessary to stick a _SHUTDOWNREQUEST object onto the Queue (one for each running WorkerThread).
- conn = None¶
The current connection pulled off the Queue, or None.
- ready = False¶
A simple flag for the calling server to know when this thread has begun polling the Queue.
Process incoming HTTP connections.
Retrieves incoming connections from thread pool.
- server = None¶
The HTTP Server which spawned this thread, and which owns the Queue and is placing active connections into it.