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 istgtcontrol_open_log(void); 95 void istgtcontrol_close_log(void); 96 void istgt_set_trace_flag(int flag); 97 void istgt_trace_dump(int flag, const char *label, const uint8_t *buf, size_t len); 98 99 extern int g_trace_flag; 100 extern int g_warn_flag; 101 102 #endif /* ISTGT_LOG_H */ 103