File:  [ELWIX - Embedded LightWeight unIX -] / libelwix / inc / elwix.h
Revision 1.1.1.1.2.2: download - view: text, annotated - select for diffs - revision graph
Fri Jan 18 10:10:21 2013 UTC (11 years, 4 months ago) by misho
Branches: elwix1_1
Diff to: branchpoint 1.1.1.1: preferred, unified
added new macro

    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 1.1.1.1.2.2 2013/01/18 10:10:21 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/av.h>
   68: #include <elwix/anet.h>
   69: 
   70: 
   71: #ifndef STRSIZ
   72: #define STRSIZ		256
   73: #endif
   74: 
   75: #ifndef be16toh
   76: #define be16toh		betoh16
   77: #endif
   78: #ifndef be32toh
   79: #define be32toh		betoh32
   80: #endif
   81: #ifndef be64toh
   82: #define be64toh		betoh64
   83: #endif
   84: #ifndef le16toh
   85: #define le16toh		letoh16
   86: #endif
   87: #ifndef le32toh
   88: #define le32toh		letoh32
   89: #endif
   90: #ifndef le64toh
   91: #define le64toh		letoh64
   92: #endif
   93: 
   94: #define E_ALIGN(x, a)	(((x) + ((a) - 1)) & ~((a) - 1))
   95: 
   96: 
   97: #define ELWIX_SYSM	0
   98: #define ELWIX_MPOOL	1
   99: 
  100: #define VACUUM_LEFT	1
  101: #define VACUUM_BETWEEN	2
  102: 
  103: 
  104: // elwix_SetProg() Set program memory pool name
  105: inline void elwix_SetProg(const char *csProgName);
  106: // elwix_GetProg() Get program memory pool name
  107: inline const char *elwix_GetProg();
  108: 
  109: // elwix_GetErrno() Get error code of last operation
  110: inline int elwix_GetErrno();
  111: // elwix_GetError() Get error text of last operation
  112: inline const char *elwix_GetError();
  113: 
  114: 
  115: // elwix_mm_inuse() Check for memory management model
  116: inline int elwix_mm_inuse();
  117: 
  118: 
  119: /*
  120:  * elwixInit() - Init libelwix library memory management
  121:  *
  122:  * @mm = memory management (IO_SYSM or IO_MPOOL)
  123:  * @maxmem = memory limit
  124:  * return: -1 error or !=-1 used memory management model
  125:  */
  126: inline int elwixInit(int mm, unsigned long maxmem);
  127: /*
  128:  * elwixFini() - Finish libelwix library memory management
  129:  *
  130:  * return: none
  131:  */
  132: inline void elwixFini();
  133: 
  134: /* memory management hooks */
  135: extern void *(*e_malloc)(size_t);
  136: extern void *(*e_calloc)(size_t, size_t);
  137: extern void *(*e_realloc)(void*, size_t);
  138: extern char *(*e_strdup)(const char*);
  139: extern void (*e_free)(void*);
  140: 
  141: 
  142: /* Debug helper macros */
  143: 
  144: /* Verbose macros */
  145: extern int elwix_Verbose;
  146: #define e_initVerbose(x)	(elwix_Verbose = (x))
  147: #define e_incVerbose		(elwix_Verbose++)
  148: #define e_decVerbose		(elwix_Verbose--)
  149: 
  150: #define EVERBS(x, fmt, ...)	((x) <= elwix_Verbose)
  151: #define EVERBOSE(x, fmt, ...)	do { assert((fmt)); \
  152: 					if ((x) <= elwix_Verbose) { \
  153: 						char str[BUFSIZ] = { 0 }; \
  154: 						snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
  155: 						syslog(LOG_DEBUG, "Verbose(%d):%s(%d): %s\n", \
  156: 								(x), __func__, __LINE__, str); \
  157: 					} \
  158: 				} while (0)
  159: 
  160: /* Debug macros */
  161: extern int elwix_Debug;
  162: #define ELWIX_DEBUG_OFF		0x0
  163: #define ELWIX_DEBUG_TRACE	0x1
  164: #define ELWIX_DEBUG_LOG		0x2
  165: #define ELWIX_DEBUG_ANY		0xFFFFFFFF
  166: 
  167: #define ETRACE(x)		if (elwix_Debug & ELWIX_DEBUG_TRACE) \
  168: 					   syslog(LOG_DEBUG, "I'm in %s(%d)", __func__, __LINE__)
  169: #define EDEBUG(x, fmt, ...)	do { assert((fmt)); \
  170: 					if ((x) & elwix_Debug) { \
  171: 						char str[BUFSIZ] = { 0 }; \
  172: 						snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
  173: 						syslog(LOG_DEBUG, "Debug(%d):%s(%d): %s\n", \
  174: 								(x), __func__, __LINE__, str); \
  175: 					} \
  176: 				} while (0)
  177: 
  178: /* Logger macro */
  179: #define ELOGGER(x, fmt, ...)	do { assert((fmt)); \
  180: 					char str[BUFSIZ] = { 0 }; \
  181: 					snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
  182: 					syslog((x), "Logger:%s(%d): %s\n", \
  183: 								__func__, __LINE__, str); \
  184: 				} while (0)
  185: 
  186: /* Error state macros */
  187: #define EERROR(x, fmt, ...)	do { assert((fmt)); \
  188: 					char str[BUFSIZ] = { 0 }; \
  189: 					snprintf(str, sizeof str, (fmt), ##__VA_ARGS__); \
  190: 					syslog(LOG_ERR, "Error:%s(%d): #%d - %s\n", \
  191: 							 __func__, __LINE__, (x), str); \
  192: 				} while (0)
  193: #define ESYSERR(x)		do { \
  194: 					if (x > 0 || errno) \
  195: 						syslog(LOG_ERR, "Error(sys):%s(%d): #%d - %s\n", \
  196: 								__func__, __LINE__, x > 0 ? x : errno, \
  197: 								strerror(x > 0 ? x : errno)); \
  198: 				} while (0)
  199: #define ELIBERR(ait)		do { \
  200: 					if (ait##_GetErrno()) \
  201: 						syslog(LOG_ERR, "Error(lib):%s(%d): #%d - %s\n", \
  202: 								__func__, __LINE__, ait##_GetErrno(), \
  203: 								ait##_GetError()); \
  204: 				} while (0)
  205: 
  206: 
  207: #endif

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