Annotation of libaitcfg/inc/aitcfg.h, revision 1.6.4.6
1.2 misho 1: /*************************************************************************
2: * (C) 2008 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
3: * by Michael Pounov <misho@openbsd-bg.org>
4: *
5: * $Author: misho $
1.6.4.6 ! misho 6: * $Id: aitcfg.h,v 1.6.4.5 2012/04/03 09:21:06 misho Exp $
1.2 misho 7: *
1.6 misho 8: **************************************************************************
9: The ELWIX and AITNET software is distributed under the following
10: terms:
11:
12: All of the documentation and software included in the ELWIX and AITNET
13: Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
14:
1.6.4.1 misho 15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012
1.6 misho 16: by Michael Pounov <misho@elwix.org>. All rights reserved.
17:
18: Redistribution and use in source and binary forms, with or without
19: modification, are permitted provided that the following conditions
20: are met:
21: 1. Redistributions of source code must retain the above copyright
22: notice, this list of conditions and the following disclaimer.
23: 2. Redistributions in binary form must reproduce the above copyright
24: notice, this list of conditions and the following disclaimer in the
25: documentation and/or other materials provided with the distribution.
26: 3. All advertising materials mentioning features or use of this software
27: must display the following acknowledgement:
28: This product includes software developed by Michael Pounov <misho@elwix.org>
29: ELWIX - Embedded LightWeight unIX and its contributors.
30: 4. Neither the name of AITNET nor the names of its contributors
31: may be used to endorse or promote products derived from this software
32: without specific prior written permission.
33:
34: THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND
35: ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
36: IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
37: ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
38: FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
39: DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
40: OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
41: HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
42: LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
43: OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44: SUCH DAMAGE.
45: */
1.1 misho 46: #ifndef __AITCFG_H
47: #define __AITCFG_H
48:
49:
1.6.4.1 misho 50: #include <aitio.h>
51: #include <atree.h>
1.6.4.6 ! misho 52: #include <pthread.h>
1.6.4.1 misho 53:
54:
55: struct tagCfg {
56: ait_val_t cfg_sec;
57: ait_val_t cfg_attr;
58: ait_val_t cfg_val;
1.1 misho 59:
1.6.4.1 misho 60: SLIST_ENTRY(tagCfg) cfg_next;
61: RB_ENTRY(tagCfg) cfg_node;
1.1 misho 62: };
1.6.4.1 misho 63: typedef struct tagRC {
64: pthread_mutex_t rc_mtx;
1.6.4.6 ! misho 65:
1.6.4.1 misho 66: struct tagCfg *slh_first;
67: struct tagCfg *rbh_root;
68: } cfg_root_t;
69: #define CFG_RC_LOCK(x) pthread_mutex_lock(&(x)->rc_mtx)
70: #define CFG_RC_UNLOCK(x) pthread_mutex_unlock(&(x)->rc_mtx)
71:
72:
73: // cfg_GetErrno() Get error code of last operation
74: inline int cfg_GetErrno();
75: // cfg_GetError() Get error text of last operation
76: inline const char *cfg_GetError();
1.1 misho 77:
78:
79: /*
1.6.4.1 misho 80: * Macros for config library.
1.6.4.5 misho 81: */
1.6.4.1 misho 82: #define CFG_ISEMPTY(x) RB_EMPTY((x))
1.4 misho 83:
84:
1.6.4.1 misho 85: /*
1.6.4.5 misho 86: * cfgInitConfig() - Init config root
87: *
88: * @cfg = Config root
89: * return: -1 error or 0 ok
90: */
91: int cfgInitConfig(cfg_root_t * __restrict cfg);
92: /*
1.6.4.1 misho 93: * cfgLoadConfig() - Load config from file
94: *
95: * @cfgName = Config filename
96: * @cfg = Config root
97: * return: -1 error or 0 ok
98: */
99: int cfgLoadConfig(const char *cfgName, cfg_root_t * __restrict cfg);
100: /*
101: * cfgUnloadConfig() - Unload config from memory and free resources
102: *
103: * @cfg = Config root
104: * return: none
105: */
106: void cfgUnloadConfig(cfg_root_t * __restrict cfg);
1.4 misho 107:
108: /*
1.6.4.1 misho 109: * cfgReadConfig() - Read file and add new item at config root
110: *
111: * @f = File resource
112: * @cfg = Config root
113: * return: -1 error or 0 ok
114: */
115: int cfgReadConfig(FILE *f, cfg_root_t * __restrict cfg);
1.6.4.5 misho 116: /*
117: * cfgWriteConfig() - Write config from memory
118: *
119: * @f = File handle
120: * @cfg = Config root
121: * @whitespace = Additional whitespace characters to file
122: * return: -1 error or 0 ok
123: */
124: int cfgWriteConfig(FILE *f, cfg_root_t * __restrict cfg, int whitespace);
1.6.4.1 misho 125:
126: #if 0
1.1 misho 127: /*
1.3 misho 128: * cfg_CreateConfig() Create config file from memory without whitespaces!
129: * @csConfigName = New config filename
130: * @cfg = Head list element
131: * return: 0 ok; -1 error:: can`t save new config
132: */
133: int cfg_CreateConfig(const char *csConfigName, sl_config * __restrict cfg);
134: /*
1.1 misho 135: * CreateConfig() Create config file from memory
136: * @csConfigName = New config filename
137: * @cfg = Head list element
138: * return: 0 ok; -1 error:: can`t save new config
139: */
140: int CreateConfig(const char *csConfigName, sl_config * __restrict cfg);
141:
142:
143: /*
1.3 misho 144: * ConcatConfig() Concat two list in one
145: * @cfg = Head list element of main list
146: * @add_cfg = Head list element of added list
147: * return: 0 ok; -1 error:: can`t concat lists
148: */
149: int ConcatConfig(sl_config * __restrict cfg, sl_config * __restrict add_cfg);
150:
151: /*
152: * MergeConfig() Marge two list in one cfg and destroy add_cfg
153: * @cfg = Head list element of main list
154: * @add_cfg = Head list element of merged list (destroy after all!)
155: * return: 0 ok; -1 error:: can`t merge lists
156: */
157: int MergeConfig(sl_config * __restrict cfg, sl_config * __restrict add_cfg);
1.6.4.1 misho 158: #endif
1.1 misho 159:
160: /*
1.6.4.1 misho 161: * cfg_findAttribute() - Find attribute position in config file
162: *
163: * @cfg = Config root
1.1 misho 164: * @csSec = Config section //[{csSec}]
165: * @csAttr = Config attribute //{csAttr} = ...
1.6.4.2 misho 166: * return: 0 not found item, -1 error or >0 position in list
1.6.4.1 misho 167: */
168: inline int cfg_findAttribute(cfg_root_t * __restrict cfg,
169: const char *csSec, const char *csAttr);
170: /*
171: * cfg_getAttribute() - Get item from config and return value from it
172: *
173: * @cfg = Config root
174: * @csSec = Config section //[{csSec}], if NULL unset in *default* section
175: * @csAttr = Config attribute //{csAttr} = ..., if NULL unset as *any* attribute
1.6.4.2 misho 176: * return: NULL item not found or null parameters, !=NULL value const string
1.6.4.1 misho 177: */
178: inline const char *cfg_getAttribute(cfg_root_t * __restrict cfg,
179: const char *csSec, const char *csAttr);
1.1 misho 180: /*
1.6.4.2 misho 181: * cfg_setAttribute() - Set item in config or adding new item if not exists
182: *
183: * @cfg = Config root
1.1 misho 184: * @csSec = Config section //[{csSec}], if NULL set in *default* section
1.6.4.2 misho 185: * @csAttr = Config attribute //{csAttr} = ...
1.1 misho 186: * @csVal = Config value //... = {csVal} to setup
1.6.4.2 misho 187: * return: 0 nothing changed, -1 error, 1 found and updated item or 2 added new item
188: */
189: int cfg_setAttribute(cfg_root_t * __restrict cfg, const char *csSec,
190: const char *csAttr, const char *csVal);
1.1 misho 191: /*
1.6.4.3 misho 192: * cfg_unsetAttribute() - Unset item from config and free resources
193: *
194: * @cfg = Config root
1.1 misho 195: * @csSec = Config section //[{csSec}], if NULL unset in *default* section
1.6.4.3 misho 196: * @csAttr = Config attribute //{csAttr} = ...
197: * return: 0 item not found, -1 error or 1 removed item
198: */
199: int cfg_unsetAttribute(cfg_root_t * __restrict cfg, const char *csSec,
200: const char *csAttr);
1.1 misho 201:
202: /*
1.6.4.4 misho 203: * cfg_loadAttribute() - Get guarded attribute, if not found item return *default value*
204: *
205: * @cfg = Config root
1.1 misho 206: * @csSec = Config section //[{csSec}], if NULL unset in *default* section
1.6.4.4 misho 207: * @csAttr = Config attribute //{csAttr} = ...
208: * @val = Return buffer for item Value //... = {val}
209: * @csDefValue = *Default Value* for return in //{val}, if not found item in config
210: * return: 0 item not found, -1 error or >0 number of copied bytes in //{val}
211: */
212: int cfg_loadAttribute(cfg_root_t * __restrict cfg, const char *csSec,
213: const char *csAttr, ait_val_t * __restrict val, const char *csDefValue);
1.1 misho 214:
215:
216: #endif
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