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1 | /***************************************************************************** |
2 | Copyright (c) 2006 EMC Corporation. | |
3 | Copyright (c) 2011 Factor-SPE | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify it | |
6 | under the terms of the GNU General Public License as published by the Free | |
7 | Software Foundation; either version 2 of the License, or (at your option) | |
8 | any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, but WITHOUT | |
11 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License along with | |
16 | this program; if not, write to the Free Software Foundation, Inc., 59 | |
17 | Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
18 | ||
19 | The full GNU General Public License is included in this distribution in the | |
20 | file called LICENSE. | |
21 | ||
22 | Authors: Srinivas Aji <Aji_Srinivas@emc.com> | |
23 | Authors: Vitalii Demianets <vitas@nppfactor.kiev.ua> | |
24 | ||
25 | ******************************************************************************/ | |
26 | ||
27 | #ifndef LOG_H | |
28 | #define LOG_H | |
29 | ||
30 | #include <stdio.h> | |
31 | #include <stdarg.h> | |
32 | ||
33 | #define LOG_LEVEL_NONE 0 | |
34 | #define LOG_LEVEL_ERROR 1 | |
35 | #define LOG_LEVEL_INFO 2 | |
36 | #define LOG_LEVEL_DEBUG 3 | |
37 | #define LOG_LEVEL_STATE_MACHINE_TRANSITION 4 | |
38 | #define LOG_LEVEL_MAX 100 | |
39 | ||
40 | #define LOG_LEVEL_DEFAULT LOG_LEVEL_INFO | |
41 | ||
42 | extern void Dprintf(int level, const char *fmt, ...); | |
43 | extern void vDprintf(int level, const char *fmt, va_list ap); | |
44 | extern int log_level; | |
45 | ||
46 | #define PRINT(_level, _fmt, _args...) Dprintf(_level, _fmt, ##_args) | |
47 | ||
48 | #define TSTM(x, y, _fmt, _args...) \ | |
49 | do if(!(x)) \ | |
50 | { \ | |
51 | PRINT(LOG_LEVEL_ERROR, "Error in %s at %s:%d verifying %s. " _fmt, \ | |
52 | __PRETTY_FUNCTION__, __FILE__, __LINE__, #x, ##_args); \ | |
53 | return y; \ | |
54 | } while (0) | |
55 | ||
56 | #define TST(x, y) TSTM(x, y, "") | |
57 | ||
58 | #define LOG(_fmt, _args...) \ | |
59 | PRINT(LOG_LEVEL_DEBUG, "%s: " _fmt, __PRETTY_FUNCTION__, ##_args) | |
60 | ||
61 | #define INFO(_fmt, _args...) \ | |
62 | PRINT(LOG_LEVEL_INFO, "%s: " _fmt, __PRETTY_FUNCTION__, ##_args) | |
63 | ||
64 | #ifdef NO_DAEMON | |
65 | #define ERROR(_fmt, _args...) \ | |
66 | PRINT(LOG_LEVEL_ERROR, "%s: " _fmt, __PRETTY_FUNCTION__, ##_args) | |
67 | ||
68 | #else | |
69 | #include "ctl_socket_server.h" | |
70 | #define ERROR(_fmt, _args...) \ | |
71 | ({ \ | |
72 | PRINT(LOG_LEVEL_ERROR, "error, %s: " _fmt, __PRETTY_FUNCTION__, \ | |
73 | ##_args); \ | |
74 | ctl_err_log(_fmt "\n", ##_args); \ | |
75 | }) | |
76 | #endif | |
77 | ||
78 | static inline void dump_hex(void *b, int l) | |
79 | { | |
80 | unsigned char *buf = b; | |
81 | char logbuf[80]; | |
82 | int i, j; | |
83 | for (i = 0; i < l; i += 16) { | |
84 | for (j = 0; j < 16 && i + j < l; ++j) | |
85 | sprintf(logbuf + j * 3, " %02x", buf[i + j]); | |
86 | PRINT(LOG_LEVEL_INFO, "%s", logbuf); | |
87 | } | |
88 | PRINT(LOG_LEVEL_INFO, "\n"); | |
89 | } | |
90 | ||
91 | #endif /* LOG_H */ |