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1 | #define IMAGER_NO_CONTEXT | |
2 | #include "imageri.h" | |
3 | #include "imconfig.h" | |
4 | #include "log.h" | |
5 | #include <stdlib.h> | |
6 | #include <errno.h> | |
7 | #include "imerror.h" | |
8 | ||
9 | #ifdef IMAGER_LOG | |
10 | ||
11 | #define DTBUFF 50 | |
12 | #define DATABUFF DTBUFF+3+10+1+5+1+1 | |
13 | ||
14 | #define LOG_DATE_FORMAT "%Y/%m/%d %H:%M:%S" | |
15 | ||
16 | static i_mutex_t log_mutex; | |
17 | ||
18 | static void | |
19 | im_vloog(pIMCTX, int level, const char *fmt, va_list ap); | |
20 | ||
21 | /* | |
22 | * Logging is active | |
23 | */ | |
24 | ||
25 | int | |
26 | im_init_log(pIMCTX, const char* name,int level) { | |
27 | i_clear_error(); | |
28 | ||
29 | if (!log_mutex) { | |
30 | log_mutex = i_mutex_new(); | |
31 | } | |
32 | ||
33 | if (aIMCTX->lg_file) { | |
34 | if (aIMCTX->own_log) | |
35 | fclose(aIMCTX->lg_file); | |
36 | aIMCTX->lg_file = NULL; | |
37 | } | |
38 | ||
39 | aIMCTX->log_level = level; | |
40 | if (level < 0) { | |
41 | aIMCTX->lg_file = NULL; | |
42 | } else { | |
43 | if (name == NULL) { | |
44 | aIMCTX->lg_file = stderr; | |
45 | aIMCTX->own_log = 0; | |
46 | } else { | |
47 | if (NULL == (aIMCTX->lg_file = fopen(name, "w+")) ) { | |
48 | im_push_errorf(aIMCTX, errno, "Cannot open file '%s': (%d)", name, errno); | |
49 | return 0; | |
50 | } | |
51 | aIMCTX->own_log = 1; | |
52 | setvbuf(aIMCTX->lg_file, NULL, _IONBF, BUFSIZ); | |
53 | } | |
54 | } | |
55 | if (aIMCTX->lg_file) { | |
56 | im_log((aIMCTX, 0,"Imager - log started (level = %d)\n", level)); | |
57 | } | |
58 | ||
59 | return aIMCTX->lg_file != NULL; | |
60 | } | |
61 | ||
62 | void | |
63 | i_fatal(int exitcode,const char *fmt, ... ) { | |
64 | va_list ap; | |
65 | dIMCTX; | |
66 | ||
67 | if (aIMCTX->lg_file != NULL) { | |
68 | va_start(ap,fmt); | |
69 | im_vloog(aIMCTX, 0, fmt, ap); | |
70 | va_end(ap); | |
71 | } | |
72 | exit(exitcode); | |
73 | } | |
74 | ||
75 | void | |
76 | im_fatal(pIMCTX, int exitcode,const char *fmt, ... ) { | |
77 | va_list ap; | |
78 | ||
79 | if (aIMCTX->lg_file != NULL) { | |
80 | va_start(ap,fmt); | |
81 | im_vloog(aIMCTX, 0, fmt, ap); | |
82 | va_end(ap); | |
83 | } | |
84 | exit(exitcode); | |
85 | } | |
86 | ||
87 | /* | |
88 | =item i_loog(level, format, ...) | |
89 | =category Logging | |
90 | ||
91 | This is an internal function called by the mm_log() macro. | |
92 | ||
93 | =cut | |
94 | */ | |
95 | ||
96 | static void | |
97 | im_vloog(pIMCTX, int level, const char *fmt, va_list ap) { | |
98 | time_t timi; | |
99 | struct tm *str_tm; | |
100 | char date_buffer[DTBUFF]; | |
101 | ||
102 | if (!aIMCTX || !aIMCTX->lg_file || level > aIMCTX->log_level) | |
103 | return; | |
104 | ||
105 | i_mutex_lock(log_mutex); | |
106 | ||
107 | timi = time(NULL); | |
108 | str_tm = localtime(&timi); | |
109 | strftime(date_buffer, DTBUFF, LOG_DATE_FORMAT, str_tm); | |
110 | fprintf(aIMCTX->lg_file, "[%s] %10s:%-5d %3d: ", date_buffer, | |
111 | aIMCTX->filename, aIMCTX->line, level); | |
112 | vfprintf(aIMCTX->lg_file, fmt, ap); | |
113 | fflush(aIMCTX->lg_file); | |
114 | ||
115 | i_mutex_unlock(log_mutex); | |
116 | } | |
117 | ||
118 | void | |
119 | i_loog(int level,const char *fmt, ... ) { | |
120 | dIMCTX; | |
121 | va_list ap; | |
122 | ||
123 | if (!aIMCTX || !aIMCTX->lg_file || level > aIMCTX->log_level) | |
124 | return; | |
125 | ||
126 | va_start(ap,fmt); | |
127 | im_vloog(aIMCTX, level, fmt, ap); | |
128 | va_end(ap); | |
129 | } | |
130 | ||
131 | void | |
132 | im_loog(pIMCTX, int level,const char *fmt, ... ) { | |
133 | va_list ap; | |
134 | ||
135 | if (!aIMCTX || !aIMCTX->lg_file || level > aIMCTX->log_level) | |
136 | return; | |
137 | ||
138 | va_start(ap,fmt); | |
139 | im_vloog(aIMCTX, level, fmt, ap); | |
140 | va_end(ap); | |
141 | } | |
142 | ||
143 | /* | |
144 | =item i_lhead(file, line) | |
145 | =category Logging | |
146 | ||
147 | This is an internal function called by the mm_log() macro. | |
148 | ||
149 | =cut | |
150 | */ | |
151 | ||
152 | void | |
153 | im_lhead(pIMCTX, const char *file, int line) { | |
154 | if (aIMCTX && aIMCTX->lg_file != NULL) { | |
155 | aIMCTX->filename = file; | |
156 | aIMCTX->line = line; | |
157 | } | |
158 | } | |
159 | ||
160 | void i_lhead(const char *file, int line) { | |
161 | dIMCTX; | |
162 | ||
163 | im_lhead(aIMCTX, file, line); | |
164 | } | |
165 | ||
166 | #else | |
167 | ||
168 | /* | |
169 | * Logging is inactive - insert dummy functions | |
170 | */ | |
171 | ||
172 | int im_init_log(pIMCTX, const char* name,int onoff) { | |
173 | i_clear_error(); | |
174 | i_push_error(0, "Logging disabled"); | |
175 | return 0; | |
176 | } | |
177 | ||
178 | void i_fatal(int exitcode,const char *fmt, ... ) { exit(exitcode); } | |
179 | void im_fatal(pIMCTX, int exitcode,const char *fmt, ... ) { exit(exitcode); } | |
180 | ||
181 | void | |
182 | i_loog(int level,const char *fmt, ... ) { | |
183 | } | |
184 | ||
185 | void | |
186 | im_loog(pIMCTX, int level,const char *fmt, ... ) { | |
187 | } | |
188 | ||
189 | void | |
190 | i_lhead(const char *file, int line) { } | |
191 | ||
192 | void | |
193 | im_lhead(pIMCTX, const char *file, int line) { } | |
194 | ||
195 | #endif |