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Diffstat (limited to 'Source/charon/job_queue.h')
-rw-r--r-- | Source/charon/job_queue.h | 138 |
1 files changed, 138 insertions, 0 deletions
diff --git a/Source/charon/job_queue.h b/Source/charon/job_queue.h new file mode 100644 index 000000000..3b6349836 --- /dev/null +++ b/Source/charon/job_queue.h @@ -0,0 +1,138 @@ +/** + * @file job_queue.h + * + * @brief Job-Queue based on linked_list_t + * + */ + +/* + * Copyright (C) 2005 Jan Hutter, Martin Willi + * 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 JOB_QUEUE_H_ +#define JOB_QUEUE_H_ + +#include "linked_list.h" + +/** + * Type of Jobs + */ +typedef enum job_type_e job_type_t; + +enum job_type_e{ + /** + * Job is to process an incoming IKEv2-Message + */ + INCOMING_PACKET, + /** + * Job is to retransmit an IKEv2-Message + */ + RETRANSMIT_REQUEST, + /** + * Job is to establish an ike sa as initiator + */ + ESTABLISH_IKE_SA +}; + + +/** + * @brief Job like it is represented in the job queue + */ +typedef struct job_s job_t; + + +struct job_s{ + job_type_t type; + /** + * Every job has its assigned_data + */ + void * assigned_data; + + /** + * @brief Destroys a job_t object + * + * @param job_t calling object + * @returns SUCCESS if succeeded, FAILED otherwise + */ + status_t (*destroy) (job_t *job); +}; + +/** + * @brief Creates a job of specific type + * + * @param type type of the job + * @param assigned_data value to assign to the job + * + * @return job_t job object + */ +job_t *job_create(job_type_t type, void *assigned_data); + +/** + * @brief Job-Queue + */ +typedef struct job_queue_s job_queue_t; + +struct job_queue_s { + + /** + * @brief Returns number of jobs in queue + * + * @param job_queue_t calling object + * @param count integer pointer to store the job count in + * @returns SUCCESS if succeeded, FAILED otherwise + */ + status_t (*get_count) (job_queue_t *job_queue, int *count); + + /** + * @brief Get the next job from the queue + * + * If the queue is empty, this function blocks until job can be returned. + * + * After using, the returned job has to get destroyed. + * + * @param job_queue_t calling object + * @param job pointer to a job pointer where to job is returned to + * @returns SUCCESS if succeeded, FAILED otherwise + */ + status_t (*get) (job_queue_t *job_queue, job_t **job); + + /** + * @brief Adds a job to the queue + * + * This function is non blocking + * + * @param job_queue_t calling object + * @param job job to add to the queue (job is not copied) + * @returns SUCCESS if succeeded, FAILED otherwise + */ + status_t (*add) (job_queue_t *job_queue, job_t *job); + + /** + * @brief Destroys a job_queue object + * + * @warning Has only to be called if no other thread is accessing the queue + * + * @param job_queue_t calling object + * @returns SUCCESS if succeeded, FAILED otherwise + */ + status_t (*destroy) (job_queue_t *job_queue); +}; + +/** + * @brief Creates a job_queue + * * + * @return job_queue_t empty job_queue + */ +job_queue_t *job_queue_create(); +#endif /*JOB_QUEUE_H_*/ |