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Diffstat (limited to 'src/charon/processing/processor.h')
-rw-r--r-- | src/charon/processing/processor.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/charon/processing/processor.h b/src/charon/processing/processor.h new file mode 100644 index 000000000..f12c7f10e --- /dev/null +++ b/src/charon/processing/processor.h @@ -0,0 +1,111 @@ +/** + * @file processor.h + * + * @brief Interface of processor_t. + * + */ + +/* + * Copyright (C) 2005-2007 Martin Willi + * Copyright (C) 2005 Jan Hutter + * Hochschule fuer Technik Rapperswil + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + */ + +#ifndef PROCESSOR_H_ +#define PROCESSOR_H_ + +typedef struct processor_t processor_t; + +#include <stdlib.h> + +#include <library.h> +#include <processing/jobs/job.h> + +/** + * @brief The processor uses threads to process queued jobs. + * + * @b Constructors: + * - processor_create() + * + * @ingroup processing + */ +struct processor_t { + + /** + * @brief Get the total number of threads used by the processor. + * + * @param this calling object + * @return size of thread pool + */ + u_int (*get_total_threads) (processor_t *this); + + /** + * @brief Get the number of threads currently waiting. + * + * @param this calling object + * @return number of idle threads + */ + u_int (*get_idle_threads) (processor_t *this); + + /** + * @brief Get the number of queued jobs. + * + * @param this calling object + * @returns number of items in queue + */ + u_int (*get_job_load) (processor_t *this); + + /** + * @brief Adds a job to the queue. + * + * This function is non blocking and adds a job_t to the queue. + * + * @param this calling object + * @param job job to add to the queue + */ + void (*queue_job) (processor_t *this, job_t *job); + + /** + * @brief Set the number of threads to use in the processor. + * + * If the number of threads is smaller than number of currently running + * threads, thread count is decreased. Use 0 to disable the processor. + * This call blocks if it decreases thread count until threads have + * terminated, so make sure there are not too many blocking jobs. + * + * @param this calling object + * @param count number of threads to allocate + */ + void (*set_threads)(processor_t *this, u_int count); + + /** + * @brief Destroy a processor object. + * + * @param processor calling object + */ + void (*destroy) (processor_t *processor); +}; + +/** + * @brief Create the thread pool without any threads. + * + * Use the set_threads method to start processing jobs. + * + * @return processor_t object + * + * @ingroup processing + */ +processor_t *processor_create(); + +#endif /*PROCESSOR_H_*/ + |