1: /*************************************************************************
2: * (C) 2013 AITNET ltd - Sofia/Bulgaria - <misho@aitnet.org>
3: * by Michael Pounov <misho@elwix.org>
4: *
5: * $Author: misho $
6: * $Id: elwix.h,v 1.3 2013/05/30 09:07:33 misho Exp $
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>
53: #include <sys/socket.h>
54: #include <sys/un.h>
55: #include <net/if_dl.h>
56: #include <netinet/in.h>
57: #include <arpa/inet.h>
58:
59: #include <elwix/atree.h>
60: #include <elwix/ampool.h>
61: #include <elwix/acrc.h>
62: #include <elwix/aarray.h>
63: #include <elwix/asarr.h>
64: #include <elwix/avar.h>
65: #include <elwix/astr.h>
66: #include <elwix/aregex.h>
67: #include <elwix/aav.h>
68: #include <elwix/anet.h>
69: #include <elwix/atime.h>
70:
71:
72: #ifndef STRSIZ
73: #define STRSIZ 256
74: #endif
75:
76: #ifndef be16toh
77: #define be16toh betoh16
78: #endif
79: #ifndef be32toh
80: #define be32toh betoh32
81: #endif
82: #ifndef be64toh
83: #define be64toh betoh64
84: #endif
85: #ifndef le16toh
86: #define le16toh letoh16
87: #endif
88: #ifndef le32toh
89: #define le32toh letoh32
90: #endif
91: #ifndef le64toh
92: #define le64toh letoh64
93: #endif
94:
95: #define E_ALIGN(x, a) (((x) + ((a) - 1)) & ~((a) - 1))
96:
97:
98: #define ELWIX_SYSM 0
99: #define ELWIX_MPOOL 1
100:
101: #define VACUUM_LEFT 1
102: #define VACUUM_BETWEEN 2
103:
104:
105: // elwix_SetProg() Set program memory pool name
106: void elwix_SetProg(const char *csProgName);
107: // elwix_GetProg() Get program memory pool name
108: const char *elwix_GetProg();
109:
110: // elwix_GetErrno() Get error code of last operation
111: int elwix_GetErrno();
112: // elwix_GetError() Get error text of last operation
113: const char *elwix_GetError();
114:
115:
116: // elwix_mm_inuse() Check for memory management model
117: int elwix_mm_inuse();
118:
119:
120: /*
121: * elwixInit() - Init libelwix library memory management
122: *
123: * @mm = memory management (IO_SYSM or IO_MPOOL)
124: * @maxmem = memory limit
125: * return: -1 error or !=-1 used memory management model
126: */
127: int elwixInit(int mm, unsigned long maxmem);
128: /*
129: * elwixFini() - Finish libelwix library memory management
130: *
131: * return: none
132: */
133: void elwixFini();
134:
135: /* memory management hooks */
136: extern void *(*e_malloc)(size_t);
137: extern void *(*e_calloc)(size_t, size_t);
138: extern void *(*e_realloc)(void*, size_t);
139: extern char *(*e_strdup)(const char*);
140: extern void (*e_free)(void*);
141:
142:
143: /* Debug helper macros */
144:
145: /* Verbose macros */
146: extern int elwix_Verbose;
147: #define e_initVerbose(x) (elwix_Verbose = (x))
148: #define e_incVerbose (elwix_Verbose++)
149: #define e_decVerbose (elwix_Verbose--)
150:
151: #define EVERBS(x) if ((x) <= elwix_Verbose)
152: #define EVERBOSE(x, fmt, ...) do { assert((fmt)); \
153: if ((x) <= elwix_Verbose) { \
154: char str[BUFSIZ] = { 0 }; \
155: snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
156: syslog(LOG_DEBUG, "Verbose(%d):%s(%d): %s\n", \
157: (x), __func__, __LINE__, str); \
158: } \
159: } while (0)
160:
161: /* Debug macros */
162: extern int elwix_Debug;
163: #define ELWIX_DEBUG_OFF 0x0
164: #define ELWIX_DEBUG_TRACE 0x1
165: #define ELWIX_DEBUG_LOG 0x2
166: #define ELWIX_DEBUG_ANY 0xFFFFFFFF
167:
168: #define ETRACE(x) if (elwix_Debug & ELWIX_DEBUG_TRACE) \
169: syslog(LOG_DEBUG, "I'm in %s(%d)", __func__, __LINE__)
170: #define EDEBUG(x, fmt, ...) do { assert((fmt)); \
171: if ((x) & elwix_Debug) { \
172: char str[BUFSIZ] = { 0 }; \
173: snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
174: syslog(LOG_DEBUG, "Debug(%d):%s(%d): %s\n", \
175: (x), __func__, __LINE__, str); \
176: } \
177: } while (0)
178:
179: /* Logger macro */
180: #define ELOGGER(x, fmt, ...) do { assert((fmt)); \
181: char str[BUFSIZ] = { 0 }; \
182: snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
183: syslog((x), "Logger:%s(%d): %s\n", \
184: __func__, __LINE__, str); \
185: } while (0)
186:
187: /* Error state macros */
188: #define EERROR(x, fmt, ...) do { assert((fmt)); \
189: char str[BUFSIZ] = { 0 }; \
190: snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
191: syslog(LOG_ERR, "Error:%s(%d): #%d - %s\n", \
192: __func__, __LINE__, (x), str); \
193: } while (0)
194: #define ESYSERR(x) do { \
195: if (x > 0 || errno) \
196: syslog(LOG_ERR, "Error(sys):%s(%d): #%d - %s\n", \
197: __func__, __LINE__, x > 0 ? x : errno, \
198: strerror(x > 0 ? x : errno)); \
199: } while (0)
200: #define ELIBERR(ait) do { \
201: if (ait##_GetErrno()) \
202: syslog(LOG_ERR, "Error(lib):%s(%d): #%d - %s\n", \
203: __func__, __LINE__, ait##_GetErrno(), \
204: ait##_GetError()); \
205: } while (0)
206:
207:
208: #endif
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