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1.1 misho 1: /* 2: * Copyright (C) 2011 Martin Willi 3: * Copyright (C) 2011 revosec AG 4: * 5: * This program is free software; you can redistribute it and/or modify it 6: * under the terms of the GNU General Public License as published by the 7: * Free Software Foundation; either version 2 of the License, or (at your 8: * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>. 9: * 10: * This program is distributed in the hope that it will be useful, but 11: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 12: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 13: * for more details. 14: */ 15: 16: /** 17: * @defgroup certexpire_cron certexpire_cron 18: * @{ @ingroup certexpire 19: */ 20: 21: #ifndef CERTEXPIRE_CRON_H_ 22: #define CERTEXPIRE_CRON_H_ 23: 24: typedef struct certexpire_cron_t certexpire_cron_t; 25: 26: /** 27: * Callback function invoked by cron. 28: * 29: * @param data user specified callback data 30: */ 31: typedef void (*certexpire_cron_job_t)(void *data); 32: 33: /** 34: * Cron style job scheduling. 35: */ 36: struct certexpire_cron_t { 37: 38: /** 39: * Destroy a certexpire_cron_t. 40: * 41: * It currently is not possible to safely cancel a cron job. Make sure 42: * any scheduled jobs have been canceled before cleaning up. 43: */ 44: void (*destroy)(certexpire_cron_t *this); 45: }; 46: 47: /** 48: * Create a certexpire_cron instance. 49: * 50: * The cron string takes numeric arguments only, but supports ranges (1-5) 51: * and selections (1,3,5), or a combination, space separated: 52: * minute hour day month weekday 53: * minute, 0-59 54: * hour, 0-23 55: * day, 1-31 56: * month, 1-12 57: * weekday, 0-7 (0 == 7 == sunday) 58: * man crontab(5) for details. 59: * 60: * @param cron cron style scheduling string 61: * @param job callback function to invoke 62: * @param data user data to pass to job 63: */ 64: certexpire_cron_t *certexpire_cron_create(char *cron, certexpire_cron_job_t job, 65: void *data); 66: 67: #endif /** CERTEXPIRE_CRON_H_ @}*/