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dhcp 4.1 r7

    1: /*
    2:  * Copyright (C) 2008-2012 Daisuke Aoyama <aoyama@peach.ne.jp>.
    3:  * All rights reserved.
    4:  *
    5:  * Redistribution and use in source and binary forms, with or without
    6:  * modification, are permitted provided that the following conditions
    7:  * are met:
    8:  * 1. Redistributions of source code must retain the above copyright
    9:  *    notice, this list of conditions and the following disclaimer.
   10:  * 2. Redistributions in binary form must reproduce the above copyright
   11:  *    notice, this list of conditions and the following disclaimer in the
   12:  *    documentation and/or other materials provided with the distribution.
   13:  *
   14:  * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   15:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   16:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   17:  * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
   18:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   19:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   20:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   21:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   22:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   23:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   24:  * SUCH DAMAGE.
   25:  *
   26:  */
   27: 
   28: #ifndef ISTGT_LOG_H
   29: #define ISTGT_LOG_H
   30: 
   31: #include <stdint.h>
   32: #include <stddef.h>
   33: 
   34: #if !defined(__GNUC__)
   35: #undef __attribute__
   36: #define __attribute__(x)
   37: #endif
   38: 
   39: #ifndef ISTGT_LOG_FACILITY
   40: #define ISTGT_LOG_FACILITY LOG_LOCAL7
   41: #endif
   42: #ifndef ISTGT_LOG_PRIORITY
   43: #define ISTGT_LOG_PRIORITY LOG_NOTICE
   44: #endif
   45: 
   46: #define ISTGT_TRACE_ALL     (~0U)
   47: #define ISTGT_TRACE_NONE    0U
   48: #define ISTGT_TRACE_DEBUG   0x80000000U
   49: #define ISTGT_TRACE_NET     0x0000000fU
   50: #define ISTGT_TRACE_ISCSI   0x000000f0U
   51: #define ISTGT_TRACE_SCSI    0x00000f00U
   52: #define ISTGT_TRACE_LU      0x0000f000U
   53: 
   54: #define ISTGT_LOG(...) \
   55: 	istgt_log(NULL, 0, NULL, __VA_ARGS__)
   56: #define ISTGT_NOTICELOG(...) \
   57: 	istgt_noticelog(NULL, 0, NULL, __VA_ARGS__)
   58: #define ISTGT_ERRLOG(...) \
   59: 	istgt_errlog(__FILE__, __LINE__, __func__, __VA_ARGS__)
   60: #define ISTGT_WARNLOG(...)						\
   61: 	do {								\
   62: 		if (g_warn_flag != 0) {					\
   63: 			istgt_warnlog(__FILE__, __LINE__, __func__, __VA_ARGS__); \
   64: 		}							\
   65: 	} while (0)
   66: #ifdef DEBUG
   67: #define ISTGT_TRACELOG(FLAG, ...)					\
   68: 	do {								\
   69: 		if (g_trace_flag & (FLAG)) {				\
   70: 			istgt_tracelog((FLAG), __FILE__, __LINE__, __func__, \
   71: 			    __VA_ARGS__);				\
   72: 		}							\
   73: 	} while (0)
   74: #define ISTGT_TRACEDUMP(FLAG, LABEL, BUF, LEN)				\
   75: 	do {								\
   76: 		if (g_trace_flag & (FLAG)) {				\
   77: 			istgt_trace_dump((FLAG), (LABEL), (BUF), (LEN)); \
   78: 		}							\
   79: 	} while (0)
   80: #else
   81: #define ISTGT_TRACELOG(FLAG, ...)
   82: #define ISTGT_TRACEDUMP(FLAG, LABEL, BUF, LEN)
   83: #endif /* DEBUG */
   84: 
   85: int istgt_set_log_facility(const char *facility);
   86: int istgt_set_log_priority(const char *priority);
   87: void istgt_log(const char *file, const int line, const char *func, const char *format, ...) __attribute__((__format__(__printf__, 4, 5)));
   88: void istgt_noticelog(const char *file, const int line, const char *func, const char *format, ...) __attribute__((__format__(__printf__, 4, 5)));
   89: void istgt_tracelog(const int flag, const char *file, const int line, const char *func, const char *format, ...) __attribute__((__format__(__printf__, 5, 6)));
   90: void istgt_errlog(const char *file, const int line, const char *func, const char *format, ...) __attribute__((__format__(__printf__, 4, 5)));
   91: void istgt_warnlog(const char *file, const int line, const char *func, const char *format, ...) __attribute__((__format__(__printf__, 4, 5)));
   92: void istgt_open_log(void);
   93: void istgt_close_log(void);
   94: void istgt_set_trace_flag(int flag);
   95: void istgt_trace_dump(int flag, const char *label, const uint8_t *buf, size_t len);
   96: 
   97: extern int g_trace_flag;
   98: extern int g_warn_flag;
   99: 
  100: #endif /* ISTGT_LOG_H */