--- libaitcfg/inc/aitcfg.h 2009/10/19 15:00:10 1.3 +++ libaitcfg/inc/aitcfg.h 2012/04/02 14:39:02 1.6.4.1 @@ -3,34 +3,117 @@ * by Michael Pounov * * $Author: misho $ -* $Id: aitcfg.h,v 1.3 2009/10/19 15:00:10 misho Exp $ +* $Id: aitcfg.h,v 1.6.4.1 2012/04/02 14:39:02 misho Exp $ * -*************************************************************************/ +************************************************************************** +The ELWIX and AITNET software is distributed under the following +terms: + +All of the documentation and software included in the ELWIX and AITNET +Releases is copyrighted by ELWIX - Sofia/Bulgaria + +Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 + by Michael Pounov . All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. +3. All advertising materials mentioning features or use of this software + must display the following acknowledgement: +This product includes software developed by Michael Pounov +ELWIX - Embedded LightWeight unIX and its contributors. +4. Neither the name of AITNET nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +SUCH DAMAGE. +*/ #ifndef __AITCFG_H #define __AITCFG_H -struct tagPair { - unsigned int uLine; - unsigned char *psSection; - unsigned char *psAttribute; - unsigned char *psValue; - struct tagPair *sle_next; -}; +#include +#include -struct tagHead { - struct tagPair *slh_first; + +struct tagCfg { + ait_val_t cfg_sec; + ait_val_t cfg_attr; + ait_val_t cfg_val; + + SLIST_ENTRY(tagCfg) cfg_next; + RB_ENTRY(tagCfg) cfg_node; }; -typedef struct tagHead sl_config; +typedef struct tagRC { +#ifdef HAVE_LIBPTHREAD + pthread_mutex_t rc_mtx; +#endif + struct tagCfg *slh_first; + struct tagCfg *rbh_root; +} cfg_root_t; +#ifdef HAVE_LIBPTHREAD +#define CFG_RC_LOCK(x) pthread_mutex_lock(&(x)->rc_mtx) +#define CFG_RC_UNLOCK(x) pthread_mutex_unlock(&(x)->rc_mtx) +#else +#define CFG_RC_LOCK(x) +#define CFG_RC_UNLOCK(x) +#endif +// cfg_GetErrno() Get error code of last operation +inline int cfg_GetErrno(); +// cfg_GetError() Get error text of last operation +inline const char *cfg_GetError(); + + /* - * InitConfig() Head initializing function for config - * @cfg = New head element for init - * return: 0 ok; -1 error:: new head element is null + * Macros for config library. */ -inline int InitConfig(sl_config * __restrict cfg); +#define CFG_ISEMPTY(x) RB_EMPTY((x)) + + /* + * cfgLoadConfig() - Load config from file + * + * @cfgName = Config filename + * @cfg = Config root + * return: -1 error or 0 ok + */ +int cfgLoadConfig(const char *cfgName, cfg_root_t * __restrict cfg); +/* + * cfgUnloadConfig() - Unload config from memory and free resources + * + * @cfg = Config root + * return: none + */ +void cfgUnloadConfig(cfg_root_t * __restrict cfg); + +/* + * cfgReadConfig() - Read file and add new item at config root + * + * @f = File resource + * @cfg = Config root + * return: -1 error or 0 ok + */ +int cfgReadConfig(FILE *f, cfg_root_t * __restrict cfg); + +#if 0 +/* * cfg_CreateConfig() Create config file from memory without whitespaces! * @csConfigName = New config filename * @cfg = Head list element @@ -44,34 +127,9 @@ int cfg_CreateConfig(const char *csConfigName, sl_conf * return: 0 ok; -1 error:: can`t save new config */ int CreateConfig(const char *csConfigName, sl_config * __restrict cfg); -/* - * LoadConfig() Load config from file - * @csConfigName = Filename of config - * @cfg = Head list element - * return: 0 ok; -1 error:: can`t load config -*/ -int LoadConfig(const char *csConfigName, sl_config * __restrict cfg); -/* - * UnloadConfig() Unload config from memory and free resources - * @cfg = Head list element -*/ -void UnloadConfig(sl_config * __restrict cfg); -// cfg_GetErrno() Get error code of last operation -inline int cfg_GetErrno(); -// cfg_GetError() Get error text of last operation -inline const char *cfg_GetError(); - - /* - * ReadConfig() Read from file and add new item to config list - * @f = file resource - * @cfg = Head list element - * return: 0 ok; -1 error:: can`t allocate memory -*/ -int ReadConfig(FILE *f, sl_config * __restrict cfg); -/* * WriteConfig() Write to file from items in config list * @f = file resource * @cfg = Head list element @@ -102,17 +160,31 @@ int ConcatConfig(sl_config * __restrict cfg, sl_config * return: 0 ok; -1 error:: can`t merge lists */ int MergeConfig(sl_config * __restrict cfg, sl_config * __restrict add_cfg); +#endif - /* - * cfg_FindAttribute() Find attribute position in config list - * @cfg = Head list element + * cfg_findAttribute() - Find attribute position in config file + * + * @cfg = Config root * @csSec = Config section //[{csSec}] * @csAttr = Config attribute //{csAttr} = ... * return: 0 not found item; -1 error: null parameters; >0 position in list -*/ -inline int cfg_FindAttribute(sl_config * __restrict cfg, const u_char *csSec, const u_char *csAttr); + */ +inline int cfg_findAttribute(cfg_root_t * __restrict cfg, + const char *csSec, const char *csAttr); /* + * cfg_getAttribute() - Get item from config and return value from it + * + * @cfg = Config root + * @csSec = Config section //[{csSec}], if NULL unset in *default* section + * @csAttr = Config attribute //{csAttr} = ..., if NULL unset as *any* attribute + * return: NULL item not found or null parameters; !=NULL value const string + */ +inline const char *cfg_getAttribute(cfg_root_t * __restrict cfg, + const char *csSec, const char *csAttr); + +#if 0 +/* * cfg_SetAttribute() Set item in config list or add new item if not exists * @cfg = Head list element * @csSec = Config section //[{csSec}], if NULL set in *default* section @@ -150,6 +222,7 @@ inline const u_char *cfg_GetAttribute(sl_config * __re */ int cfg_LoadAttribute(sl_config * __restrict cfg, const u_char *csSec, const u_char *csAttr, u_char * __restrict psVal, int ValLen, const char *csDefValue); +#endif #endif