xref: /freebsd/lib/libpjdlog/pjdlog.h (revision a0ee8cc6)
1 /*-
2  * Copyright (c) 2009-2010 The FreeBSD Foundation
3  * Copyright (c) 2011 Pawel Jakub Dawidek <pjd@FreeBSD.org>
4  * All rights reserved.
5  *
6  * This software was developed by Pawel Jakub Dawidek under sponsorship from
7  * the FreeBSD Foundation.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  *
30  * $FreeBSD$
31  */
32 
33 #ifndef	_PJDLOG_H_
34 #define	_PJDLOG_H_
35 
36 #include <sys/cdefs.h>
37 
38 #include <errno.h>
39 #include <stdarg.h>
40 #include <sysexits.h>
41 #include <syslog.h>
42 
43 #define	PJDLOG_MODE_STD		0
44 #define	PJDLOG_MODE_SYSLOG	1
45 #define	PJDLOG_MODE_SOCK	2
46 
47 void pjdlog_init(int mode);
48 void pjdlog_fini(void);
49 
50 void pjdlog_mode_set(int mode);
51 int pjdlog_mode_get(void);
52 
53 #ifdef notyet
54 void pjdlog_sock_set(int sock);
55 int pjdlog_sock_get(void);
56 #endif
57 
58 void pjdlog_debug_set(int level);
59 int pjdlog_debug_get(void);
60 
61 void pjdlog_prefix_set(const char *fmt, ...) __printflike(1, 2);
62 void pjdlogv_prefix_set(const char *fmt, va_list ap) __printflike(1, 0);
63 const char *pjdlog_prefix_get(void);
64 void pjdlog_prefix_push(const char *fmt, ...) __printflike(1, 2);
65 void pjdlogv_prefix_push(const char *fmt, va_list ap) __printflike(1, 0);
66 void pjdlog_prefix_pop(void);
67 
68 void _pjdlogv_common(const char *func, const char *file, int line, int loglevel,
69     int debuglevel, int error, const char *fmt, va_list ap) __printflike(7, 0);
70 void _pjdlog_common(const char *func, const char *file, int line, int loglevel,
71     int debuglevel, int error, const char *fmt, ...) __printflike(7, 8);
72 
73 void _pjdlogv_exit(const char *func, const char *file, int line, int exitcode,
74     int error, const char *fmt, va_list ap) __printflike(6, 0) __dead2;
75 void _pjdlog_exit(const char *func, const char *file, int line, int exitcode,
76     int error, const char *fmt, ...) __printflike(6, 7) __dead2;
77 
78 void _pjdlog_abort(const char *func, const char *file, int line, int error,
79     const char *failedexpr, const char *fmt, ...) __printflike(6, 7) __dead2;
80 
81 #ifdef notyet
82 int pjdlog_receive(int sock);
83 #endif
84 
85 #define	pjdlogv_common(loglevel, debuglevel, error, fmt, ap)		\
86 	_pjdlogv_common(__func__, __FILE__, __LINE__, (loglevel),	\
87 	    (debuglevel), (error), (fmt), (ap))
88 #define	pjdlog_common(loglevel, debuglevel, error, ...)			\
89 	_pjdlog_common(__func__, __FILE__, __LINE__, (loglevel),	\
90 	    (debuglevel), (error), __VA_ARGS__)
91 
92 #define	pjdlogv(loglevel, fmt, ap)					\
93 	pjdlogv_common((loglevel), 0, -1, (fmt), (ap))
94 #define	pjdlog(loglevel, ...)						\
95 	pjdlog_common((loglevel), 0, -1, __VA_ARGS__)
96 
97 #define	pjdlogv_emergency(fmt, ap)	pjdlogv(LOG_EMERG, (fmt), (ap))
98 #define	pjdlog_emergency(...)		pjdlog(LOG_EMERG, __VA_ARGS__)
99 #define	pjdlogv_alert(fmt, ap)		pjdlogv(LOG_ALERT, (fmt), (ap))
100 #define	pjdlog_alert(...)		pjdlog(LOG_ALERT, __VA_ARGS__)
101 #define	pjdlogv_critical(fmt, ap)	pjdlogv(LOG_CRIT, (fmt), (ap))
102 #define	pjdlog_critical(...)		pjdlog(LOG_CRIT, __VA_ARGS__)
103 #define	pjdlogv_error(fmt, ap)		pjdlogv(LOG_ERR, (fmt), (ap))
104 #define	pjdlog_error(...)		pjdlog(LOG_ERR, __VA_ARGS__)
105 #define	pjdlogv_warning(fmt, ap)	pjdlogv(LOG_WARNING, (fmt), (ap))
106 #define	pjdlog_warning(...)		pjdlog(LOG_WARNING, __VA_ARGS__)
107 #define	pjdlogv_notice(fmt, ap)		pjdlogv(LOG_NOTICE, (fmt), (ap))
108 #define	pjdlog_notice(...)		pjdlog(LOG_NOTICE, __VA_ARGS__)
109 #define	pjdlogv_info(fmt, ap)		pjdlogv(LOG_INFO, (fmt), (ap))
110 #define	pjdlog_info(...)		pjdlog(LOG_INFO, __VA_ARGS__)
111 
112 #define	pjdlog_debug(debuglevel, ...)					\
113 	pjdlog_common(LOG_DEBUG, (debuglevel), -1, __VA_ARGS__)
114 #define	pjdlogv_debug(debuglevel, fmt, ap)				\
115 	pjdlogv_common(LOG_DEBUG, (debuglevel), -1, (fmt), (ap))
116 
117 #define	pjdlog_errno(loglevel, ...)					\
118 	pjdlog_common((loglevel), 0, (errno), __VA_ARGS__)
119 #define	pjdlogv_errno(loglevel, fmt, ap)				\
120 	pjdlogv_common((loglevel), 0, (errno), (fmt), (ap))
121 
122 #define	pjdlogv_exit(exitcode, fmt, ap)					\
123 	_pjdlogv_exit(__func__, __FILE__, __LINE__, (exitcode),		\
124 	    (errno), (fmt), (ap))
125 #define	pjdlog_exit(exitcode, ...)					\
126 	_pjdlog_exit(__func__, __FILE__, __LINE__, (exitcode), (errno),	\
127 	    __VA_ARGS__)
128 
129 #define	pjdlogv_exitx(exitcode, fmt, ap)				\
130 	_pjdlogv_exit(__func__, __FILE__, __LINE__, (exitcode), -1,	\
131 	    (fmt), (ap))
132 #define	pjdlog_exitx(exitcode, ...)					\
133 	_pjdlog_exit(__func__, __FILE__, __LINE__, (exitcode), -1,	\
134 	    __VA_ARGS__)
135 
136 #define	PJDLOG_VERIFY(expr)	do {					\
137 	if (!(expr)) {							\
138 		_pjdlog_abort(__func__, __FILE__, __LINE__, -1, #expr,	\
139 		    __func__);						\
140 	}								\
141 } while (0)
142 #define	PJDLOG_RVERIFY(expr, ...)	do {				\
143 	if (!(expr)) {							\
144 		_pjdlog_abort(__func__, __FILE__, __LINE__, -1, #expr,	\
145 		    __VA_ARGS__);					\
146 	}								\
147 } while (0)
148 #define	PJDLOG_EVERIFY(expr)		do {				\
149 	if (!(expr)) {							\
150 		_pjdlog_abort(__func__, __FILE__, __LINE__, errno,	\
151 		    #expr, __func__);					\
152 	}								\
153 } while (0)
154 #define	PJDLOG_ABORT(...)	_pjdlog_abort(__func__, __FILE__,	\
155 				    __LINE__, -1, NULL, __VA_ARGS__)
156 #ifdef NDEBUG
157 #define	PJDLOG_ASSERT(expr)	do { } while (0)
158 #define	PJDLOG_RASSERT(...)	do { } while (0)
159 #else
160 #define	PJDLOG_ASSERT(expr)	do {					\
161 	if (!(expr)) {							\
162 		_pjdlog_abort(__func__, __FILE__, __LINE__, -1, #expr,	\
163 		    __func__);						\
164 	}								\
165 } while (0)
166 #define	PJDLOG_RASSERT(expr, ...)	do {				\
167 	if (!(expr)) {							\
168 		_pjdlog_abort(__func__, __FILE__, __LINE__, -1, #expr,	\
169 		    __VA_ARGS__);					\
170 	}								\
171 } while (0)
172 #endif
173 
174 #endif	/* !_PJDLOG_H_ */
175