Annotation of libelwix/inc/elwix.h, revision 1.9.2.1
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 $
1.9.2.1 ! misho 6: * $Id: elwix.h,v 1.9 2013/12/15 22:54:41 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:
1.9.2.1 ! misho 15: Copyright 2004 - 2014
1.1 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: */
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>
1.9 misho 74: #include <elwix/apio.h>
1.1 misho 75:
76:
77: #ifndef STRSIZ
78: #define STRSIZ 256
79: #endif
80:
1.6 misho 81: #ifndef NBBY
82: #define NBBY 8 /* number of bits in a byte */
83: #endif
84:
1.1 misho 85: #ifndef be16toh
86: #define be16toh betoh16
87: #endif
88: #ifndef be32toh
89: #define be32toh betoh32
90: #endif
91: #ifndef be64toh
92: #define be64toh betoh64
93: #endif
94: #ifndef le16toh
95: #define le16toh letoh16
96: #endif
97: #ifndef le32toh
98: #define le32toh letoh32
99: #endif
100: #ifndef le64toh
101: #define le64toh letoh64
102: #endif
103:
1.6 misho 104: /* Bit map related macros. */
105: #ifndef setbit
106: #define setbit(a, i) (((unsigned char *)(a))[(i) / NBBY] |= 1 << ((i) % NBBY))
107: #endif
108: #ifndef clrbit
109: #define clrbit(a, i) (((unsigned char *)(a))[(i) / NBBY] &= ~(1 << ((i) % NBBY)))
110: #endif
111: #ifndef isset
112: #define isset(a, i) (((const unsigned char *)(a))[(i) / NBBY] & (1 << ((i) % NBBY)))
113: #endif
114: #ifndef isclr
115: #define isclr(a, i) ((((const unsigned char *)(a))[(i) / NBBY] & (1 << ((i) % NBBY))) == 0)
116: #endif
117:
118: /* Macros for counting and rounding. */
119: #ifndef howmany
120: #define howmany(x, y) (((x) + ((y) - 1)) / (y))
121: #endif
122: #ifndef nitems
123: #define nitems(x) (sizeof((x)) / sizeof((x)[0]))
124: #endif
125: #ifndef rounddown
126: #define rounddown(x, y) (((x) / (y)) * (y))
127: #endif
128: #ifndef rounddown2
129: #define rounddown2(x, y) ((x) & (~((y) - 1))) /* if y is power of two */
130: #endif
131: #ifndef roundup
132: #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) /* to any y */
133: #endif
134: #ifndef roundup2
135: #define roundup2(x, y) (((x) + ((y) - 1)) & (~((y) - 1))) /* if y is powers of two */
136: #endif
137: #ifndef powerof2
138: #define powerof2(x) ((((x) - 1) & (x)) == 0)
139: #endif
140:
141: /* Macros for min/max. */
142: #ifndef MIN
143: #define MIN(a, b) (((a) < (b)) ? (a) : (b))
144: #endif
145: #ifndef MAX
146: #define MAX(a, b) (((a) > (b)) ? (a) : (b))
147: #endif
148:
149: #define E_ALIGN(x, a) (((x) + ((a) - 1)) & ~((a) - 1))
1.1 misho 150:
151:
1.6 misho 152: #define ELWIX_SYSM 0
153: #define ELWIX_MPOOL 1
1.1 misho 154:
1.6 misho 155: #define VACUUM_LEFT 1
156: #define VACUUM_BETWEEN 2
1.1 misho 157:
158:
1.9 misho 159: extern int __isthreaded;
160:
161:
1.1 misho 162: // elwix_SetProg() Set program memory pool name
1.3 misho 163: void elwix_SetProg(const char *csProgName);
1.1 misho 164: // elwix_GetProg() Get program memory pool name
1.3 misho 165: const char *elwix_GetProg();
1.1 misho 166:
167: // elwix_GetErrno() Get error code of last operation
1.3 misho 168: int elwix_GetErrno();
1.1 misho 169: // elwix_GetError() Get error text of last operation
1.3 misho 170: const char *elwix_GetError();
1.1 misho 171:
172:
173: // elwix_mm_inuse() Check for memory management model
1.3 misho 174: int elwix_mm_inuse();
1.1 misho 175:
176:
177: /*
178: * elwixInit() - Init libelwix library memory management
179: *
180: * @mm = memory management (IO_SYSM or IO_MPOOL)
181: * @maxmem = memory limit
182: * return: -1 error or !=-1 used memory management model
183: */
1.3 misho 184: int elwixInit(int mm, unsigned long maxmem);
1.1 misho 185: /*
186: * elwixFini() - Finish libelwix library memory management
187: *
188: * return: none
189: */
1.3 misho 190: void elwixFini();
1.1 misho 191:
192: /* memory management hooks */
193: extern void *(*e_malloc)(size_t);
194: extern void *(*e_calloc)(size_t, size_t);
195: extern void *(*e_realloc)(void*, size_t);
196: extern char *(*e_strdup)(const char*);
197: extern void (*e_free)(void*);
198:
199:
200: /* Debug helper macros */
201:
202: /* Verbose macros */
203: extern int elwix_Verbose;
204: #define e_initVerbose(x) (elwix_Verbose = (x))
205: #define e_incVerbose (elwix_Verbose++)
206: #define e_decVerbose (elwix_Verbose--)
207:
1.2 misho 208: #define EVERBS(x) if ((x) <= elwix_Verbose)
209: #define EVERBOSE(x, fmt, ...) do { assert((fmt)); \
210: if ((x) <= elwix_Verbose) { \
1.8 misho 211: char __str[BUFSIZ] = { [0 ... BUFSIZ - 1] = 0 }; \
212: snprintf(__str, sizeof __str, (fmt), ##__VA_ARGS__); \
1.2 misho 213: syslog(LOG_DEBUG, "Verbose(%d):%s(%d): %s\n", \
1.8 misho 214: (x), __func__, __LINE__, __str); \
1.2 misho 215: } \
216: } while (0)
1.1 misho 217:
218: /* Debug macros */
219: extern int elwix_Debug;
220: #define ELWIX_DEBUG_OFF 0x0
221: #define ELWIX_DEBUG_TRACE 0x1
222: #define ELWIX_DEBUG_LOG 0x2
223: #define ELWIX_DEBUG_ANY 0xFFFFFFFF
224:
1.5 misho 225: #define ETRACE() if (elwix_Debug & ELWIX_DEBUG_TRACE) \
1.4 misho 226: syslog(LOG_DEBUG, "I'm in %s(%d)\n", __func__, __LINE__)
1.1 misho 227: #define EDEBUG(x, fmt, ...) do { assert((fmt)); \
228: if ((x) & elwix_Debug) { \
1.8 misho 229: char __str[BUFSIZ] = { [0 ... BUFSIZ - 1] = 0 }; \
230: snprintf(__str, sizeof __str, (fmt), ##__VA_ARGS__); \
1.1 misho 231: syslog(LOG_DEBUG, "Debug(%d):%s(%d): %s\n", \
1.8 misho 232: (x), __func__, __LINE__, __str); \
1.1 misho 233: } \
234: } while (0)
235:
236: /* Logger macro */
237: #define ELOGGER(x, fmt, ...) do { assert((fmt)); \
1.8 misho 238: char __str[BUFSIZ] = { [0 ... BUFSIZ - 1] = 0 }; \
239: snprintf(__str, sizeof __str, (fmt), ##__VA_ARGS__); \
1.1 misho 240: syslog((x), "Logger:%s(%d): %s\n", \
1.8 misho 241: __func__, __LINE__, __str); \
1.1 misho 242: } while (0)
243:
244: /* Error state macros */
245: #define EERROR(x, fmt, ...) do { assert((fmt)); \
1.8 misho 246: char __str[BUFSIZ] = { [0 ... BUFSIZ - 1] = 0 }; \
247: snprintf(__str, sizeof __str, (fmt), ##__VA_ARGS__); \
1.1 misho 248: syslog(LOG_ERR, "Error:%s(%d): #%d - %s\n", \
1.8 misho 249: __func__, __LINE__, (x), __str); \
1.1 misho 250: } while (0)
251: #define ESYSERR(x) do { \
252: if (x > 0 || errno) \
253: syslog(LOG_ERR, "Error(sys):%s(%d): #%d - %s\n", \
254: __func__, __LINE__, x > 0 ? x : errno, \
255: strerror(x > 0 ? x : errno)); \
256: } while (0)
257: #define ELIBERR(ait) do { \
258: if (ait##_GetErrno()) \
259: syslog(LOG_ERR, "Error(lib):%s(%d): #%d - %s\n", \
260: __func__, __LINE__, ait##_GetErrno(), \
261: ait##_GetError()); \
262: } while (0)
263:
264:
265: #endif
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