Annotation of libelwix/inc/elwix.h, revision 1.8
1.1 misho 1: /*************************************************************************
2: * (C) 2013 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
3: * by Michael Pounov <misho@elwix.org>
4: *
5: * $Author: misho $
1.8 ! misho 6: * $Id: elwix.h,v 1.7.2.2 2013/07/08 11:50:43 misho Exp $
1.1 misho 7: *
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:
15: Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
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: */
46: #ifndef __ELWIX_H
47: #define __ELWIX_H
48:
49:
50: #include <assert.h>
51: #include <syslog.h>
52: #include <sys/types.h>
1.6 misho 53: #include <sys/param.h>
54: #include <sys/limits.h>
1.1 misho 55: #include <sys/socket.h>
1.8 ! misho 56: #include <sys/endian.h>
1.1 misho 57: #include <sys/un.h>
58: #include <net/if_dl.h>
59: #include <netinet/in.h>
60: #include <arpa/inet.h>
61:
62: #include <elwix/atree.h>
63: #include <elwix/ampool.h>
64: #include <elwix/acrc.h>
65: #include <elwix/aarray.h>
66: #include <elwix/asarr.h>
67: #include <elwix/avar.h>
68: #include <elwix/astr.h>
69: #include <elwix/aregex.h>
1.2 misho 70: #include <elwix/aav.h>
1.1 misho 71: #include <elwix/anet.h>
1.2 misho 72: #include <elwix/atime.h>
1.7 misho 73: #include <elwix/apack.h>
1.1 misho 74:
75:
76: #ifndef STRSIZ
77: #define STRSIZ 256
78: #endif
79:
1.6 misho 80: #ifndef NBBY
81: #define NBBY 8 /* number of bits in a byte */
82: #endif
83:
1.1 misho 84: #ifndef be16toh
85: #define be16toh betoh16
86: #endif
87: #ifndef be32toh
88: #define be32toh betoh32
89: #endif
90: #ifndef be64toh
91: #define be64toh betoh64
92: #endif
93: #ifndef le16toh
94: #define le16toh letoh16
95: #endif
96: #ifndef le32toh
97: #define le32toh letoh32
98: #endif
99: #ifndef le64toh
100: #define le64toh letoh64
101: #endif
102:
1.6 misho 103: /* Bit map related macros. */
104: #ifndef setbit
105: #define setbit(a, i) (((unsigned char *)(a))[(i) / NBBY] |= 1 << ((i) % NBBY))
106: #endif
107: #ifndef clrbit
108: #define clrbit(a, i) (((unsigned char *)(a))[(i) / NBBY] &= ~(1 << ((i) % NBBY)))
109: #endif
110: #ifndef isset
111: #define isset(a, i) (((const unsigned char *)(a))[(i) / NBBY] & (1 << ((i) % NBBY)))
112: #endif
113: #ifndef isclr
114: #define isclr(a, i) ((((const unsigned char *)(a))[(i) / NBBY] & (1 << ((i) % NBBY))) == 0)
115: #endif
116:
117: /* Macros for counting and rounding. */
118: #ifndef howmany
119: #define howmany(x, y) (((x) + ((y) - 1)) / (y))
120: #endif
121: #ifndef nitems
122: #define nitems(x) (sizeof((x)) / sizeof((x)[0]))
123: #endif
124: #ifndef rounddown
125: #define rounddown(x, y) (((x) / (y)) * (y))
126: #endif
127: #ifndef rounddown2
128: #define rounddown2(x, y) ((x) & (~((y) - 1))) /* if y is power of two */
129: #endif
130: #ifndef roundup
131: #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) /* to any y */
132: #endif
133: #ifndef roundup2
134: #define roundup2(x, y) (((x) + ((y) - 1)) & (~((y) - 1))) /* if y is powers of two */
135: #endif
136: #ifndef powerof2
137: #define powerof2(x) ((((x) - 1) & (x)) == 0)
138: #endif
139:
140: /* Macros for min/max. */
141: #ifndef MIN
142: #define MIN(a, b) (((a) < (b)) ? (a) : (b))
143: #endif
144: #ifndef MAX
145: #define MAX(a, b) (((a) > (b)) ? (a) : (b))
146: #endif
147:
148: #define E_ALIGN(x, a) (((x) + ((a) - 1)) & ~((a) - 1))
1.1 misho 149:
150:
1.6 misho 151: #define ELWIX_SYSM 0
152: #define ELWIX_MPOOL 1
1.1 misho 153:
1.6 misho 154: #define VACUUM_LEFT 1
155: #define VACUUM_BETWEEN 2
1.1 misho 156:
157:
158: // elwix_SetProg() Set program memory pool name
1.3 misho 159: void elwix_SetProg(const char *csProgName);
1.1 misho 160: // elwix_GetProg() Get program memory pool name
1.3 misho 161: const char *elwix_GetProg();
1.1 misho 162:
163: // elwix_GetErrno() Get error code of last operation
1.3 misho 164: int elwix_GetErrno();
1.1 misho 165: // elwix_GetError() Get error text of last operation
1.3 misho 166: const char *elwix_GetError();
1.1 misho 167:
168:
169: // elwix_mm_inuse() Check for memory management model
1.3 misho 170: int elwix_mm_inuse();
1.1 misho 171:
172:
173: /*
174: * elwixInit() - Init libelwix library memory management
175: *
176: * @mm = memory management (IO_SYSM or IO_MPOOL)
177: * @maxmem = memory limit
178: * return: -1 error or !=-1 used memory management model
179: */
1.3 misho 180: int elwixInit(int mm, unsigned long maxmem);
1.1 misho 181: /*
182: * elwixFini() - Finish libelwix library memory management
183: *
184: * return: none
185: */
1.3 misho 186: void elwixFini();
1.1 misho 187:
188: /* memory management hooks */
189: extern void *(*e_malloc)(size_t);
190: extern void *(*e_calloc)(size_t, size_t);
191: extern void *(*e_realloc)(void*, size_t);
192: extern char *(*e_strdup)(const char*);
193: extern void (*e_free)(void*);
194:
195:
196: /* Debug helper macros */
197:
198: /* Verbose macros */
199: extern int elwix_Verbose;
200: #define e_initVerbose(x) (elwix_Verbose = (x))
201: #define e_incVerbose (elwix_Verbose++)
202: #define e_decVerbose (elwix_Verbose--)
203:
1.2 misho 204: #define EVERBS(x) if ((x) <= elwix_Verbose)
205: #define EVERBOSE(x, fmt, ...) do { assert((fmt)); \
206: if ((x) <= elwix_Verbose) { \
1.8 ! misho 207: char __str[BUFSIZ] = { [0 ... BUFSIZ - 1] = 0 }; \
! 208: snprintf(__str, sizeof __str, (fmt), ##__VA_ARGS__); \
1.2 misho 209: syslog(LOG_DEBUG, "Verbose(%d):%s(%d): %s\n", \
1.8 ! misho 210: (x), __func__, __LINE__, __str); \
1.2 misho 211: } \
212: } while (0)
1.1 misho 213:
214: /* Debug macros */
215: extern int elwix_Debug;
216: #define ELWIX_DEBUG_OFF 0x0
217: #define ELWIX_DEBUG_TRACE 0x1
218: #define ELWIX_DEBUG_LOG 0x2
219: #define ELWIX_DEBUG_ANY 0xFFFFFFFF
220:
1.5 misho 221: #define ETRACE() if (elwix_Debug & ELWIX_DEBUG_TRACE) \
1.4 misho 222: syslog(LOG_DEBUG, "I'm in %s(%d)\n", __func__, __LINE__)
1.1 misho 223: #define EDEBUG(x, fmt, ...) do { assert((fmt)); \
224: if ((x) & elwix_Debug) { \
1.8 ! misho 225: char __str[BUFSIZ] = { [0 ... BUFSIZ - 1] = 0 }; \
! 226: snprintf(__str, sizeof __str, (fmt), ##__VA_ARGS__); \
1.1 misho 227: syslog(LOG_DEBUG, "Debug(%d):%s(%d): %s\n", \
1.8 ! misho 228: (x), __func__, __LINE__, __str); \
1.1 misho 229: } \
230: } while (0)
231:
232: /* Logger macro */
233: #define ELOGGER(x, fmt, ...) do { assert((fmt)); \
1.8 ! misho 234: char __str[BUFSIZ] = { [0 ... BUFSIZ - 1] = 0 }; \
! 235: snprintf(__str, sizeof __str, (fmt), ##__VA_ARGS__); \
1.1 misho 236: syslog((x), "Logger:%s(%d): %s\n", \
1.8 ! misho 237: __func__, __LINE__, __str); \
1.1 misho 238: } while (0)
239:
240: /* Error state macros */
241: #define EERROR(x, fmt, ...) do { assert((fmt)); \
1.8 ! misho 242: char __str[BUFSIZ] = { [0 ... BUFSIZ - 1] = 0 }; \
! 243: snprintf(__str, sizeof __str, (fmt), ##__VA_ARGS__); \
1.1 misho 244: syslog(LOG_ERR, "Error:%s(%d): #%d - %s\n", \
1.8 ! misho 245: __func__, __LINE__, (x), __str); \
1.1 misho 246: } while (0)
247: #define ESYSERR(x) do { \
248: if (x > 0 || errno) \
249: syslog(LOG_ERR, "Error(sys):%s(%d): #%d - %s\n", \
250: __func__, __LINE__, x > 0 ? x : errno, \
251: strerror(x > 0 ? x : errno)); \
252: } while (0)
253: #define ELIBERR(ait) do { \
254: if (ait##_GetErrno()) \
255: syslog(LOG_ERR, "Error(lib):%s(%d): #%d - %s\n", \
256: __func__, __LINE__, ait##_GetErrno(), \
257: ait##_GetError()); \
258: } while (0)
259:
260:
261: #endif
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