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    1: /*
    2:  * Copyright (C) 2017 Andreas Steffen
    3:  * HSR Hochschule fuer Technik Rapperswil
    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 sw_collector_history_t sw_collector_history
   18:  * @{ @ingroup sw_collector
   19:  */
   20: 
   21: #ifndef SW_COLLECTOR_HISTORY_H_
   22: #define SW_COLLECTOR_HISTORY_H_
   23: 
   24: #include "sw_collector_db.h"
   25: 
   26: #include <library.h>
   27: #include <utils/debug.h>
   28: #include <utils/lexparser.h>
   29: 
   30: typedef struct sw_collector_history_t sw_collector_history_t;
   31: typedef enum sw_collector_history_op_t sw_collector_history_op_t;
   32: 
   33: /**
   34:  * Define major history event operations
   35:  */
   36: enum sw_collector_history_op_t {
   37: 	SW_OP_INSTALL,
   38: 	SW_OP_UPGRADE,
   39: 	SW_OP_REMOVE
   40: };
   41: 
   42: /**
   43:  * Software collector history object
   44:  */
   45: struct sw_collector_history_t {
   46: 
   47: 	/**
   48: 	 * Extract timestamp from event in installation history
   49: 	 *
   50: 	 * @param args			Arguments to be processed
   51: 	 * @param buf			timestamp buffer for 21 byte RFC 3339 string
   52: 	 * @return				TRUE if extraction succeeded
   53: 	 */
   54: 	bool (*extract_timestamp)(sw_collector_history_t *this, chunk_t args,
   55: 							  char *buf);
   56: 
   57: 	/**
   58: 	 * Extract packages from event in installation history
   59: 	 *
   60: 	 * @param args			Arguments to be processed
   61: 	 * @param eid			Primary key pointing to current event
   62: 	 * @param op			Extraction operation
   63: 	 * @return				TRUE if extraction succeeded
   64: 	 */
   65: 	bool (*extract_packages)(sw_collector_history_t *this, chunk_t args,
   66: 							 uint32_t eid, sw_collector_history_op_t op);
   67: 
   68: 	/**
   69: 	 * Merge packages from initial installation
   70: 	 *
   71: 	 * @return				TRUE if merge succeeded
   72: 	 */
   73: 	bool (*merge_installed_packages)(sw_collector_history_t *this);
   74: 
   75: 	/**
   76: 	 * Destroy sw_collector_history_t object
   77: 	 */
   78: 	void (*destroy)(sw_collector_history_t *this);
   79: 
   80: };
   81: 
   82: /**
   83:  * Create an sw_collector_history_t instance
   84:  *
   85:  * @param db				Internal reference to collector database
   86:  * @param source			Software event source number
   87:  */
   88: sw_collector_history_t* sw_collector_history_create(sw_collector_db_t *db,
   89: 													uint8_t source);
   90: 
   91: #endif /** SW_COLLECTOR_HISTORY_H_ @}*/