5 Author: Pekka Riikonen <priikone@poseidon.pspt.fi>
7 Copyright (C) 1997 - 2000 Pekka Riikonen
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
23 * Revision 1.3 2000/07/05 06:06:35 priikone
24 * Global cosmetic change.
26 * Revision 1.2 2000/07/03 05:53:58 priikone
27 * Fixed file purging bug. The purging should work now ok.
29 * Revision 1.1.1.1 2000/06/27 11:36:55 priikone
30 * Imported from internal CVS/Added Log headers.
35 #include "silcincludes.h"
37 /* SILC Log name strings. These strings are printed to the log file. */
38 const SilcLogTypeName silc_log_types[] =
40 { "Info", SILC_LOG_INFO },
41 { "Warning", SILC_LOG_WARNING },
42 { "Error", SILC_LOG_ERROR },
43 { "Fatal", SILC_LOG_FATAL },
49 char *log_warning_file;
52 unsigned int log_info_size;
53 unsigned int log_warning_size;
54 unsigned int log_error_size;
55 unsigned int log_fatal_size;
57 /* Formats arguments to a string and returns it after allocating memory
58 for it. It must be remembered to free it later. */
60 char *silc_log_format(char *fmt, ...)
63 static char buf[1024];
66 vsprintf(buf, fmt, args);
72 /* Outputs the log message to what ever log file selected. */
74 void silc_log_output(const char *filename, unsigned int maxsize,
75 SilcLogType type, char *string)
78 const SilcLogTypeName *np;
80 /* Purge the log file if the max size is defined. */
82 fp = fopen(filename, "r");
86 filelen = fseek(fp, (off_t)0L, SEEK_END);
87 fseek(fp, (off_t)0L, SEEK_SET);
90 if (filelen >= maxsize)
95 /* Open the log file */
96 if ((fp = fopen(filename, "a+")) == NULL) {
97 fprintf(stderr, "warning: could not open log file "
98 "%s: %s\n", filename, strerror(errno));
99 fprintf(stderr, "warning: log messages will be displayed on the screen\n");
103 /* Get the log type name */
104 for(np = silc_log_types; np->name; np++) {
105 if (np->type == type)
109 fprintf(fp, "[%s] [%s] %s\n", silc_get_time(), np->name, string);
115 /* Outputs the debug message to stderr. */
117 void silc_log_output_debug(char *file, char *function,
118 int line, char *string)
120 /* fprintf(stderr, "%s:%s:%d: %s\n", file, function, line, string); */
121 fprintf(stderr, "%s:%d: %s\n", function, line, string);
126 /* Hexdumps a message */
128 void silc_log_output_hexdump(char *file, char *function,
129 int line, void *data_in,
130 unsigned int len, char *string)
134 unsigned char *data = (unsigned char *)data_in;
136 /* fprintf(stderr, "%s:%s:%d: %s\n", file, function, line, string); */
137 fprintf(stderr, "%s:%d: %s\n", function, line, string);
147 if ((len - pos) < 16 && (len - pos <= len - off))
157 fprintf(stderr, "%08X ", k++ * 16);
159 for (i = 0; i < count; i++) {
160 fprintf(stderr, "%02X ", data[pos + i]);
162 if ((i + 1) % 4 == 0)
163 fprintf(stderr, " ");
166 if (count && count < 16) {
169 for (j = 0; j < 16 - count; j++) {
170 fprintf(stderr, " ");
172 if ((j + count + 1) % 4 == 0)
173 fprintf(stderr, " ");
177 for (i = 0; i < count; i++) {
180 if (data[pos] < 32 || data[pos] >= 127)
185 fprintf(stderr, "%c", ch);
190 fprintf(stderr, "\n");
199 void silc_log_set_files(char *info, unsigned int info_size,
200 char *warning, unsigned int warning_size,
201 char *error, unsigned int error_size,
202 char *fatal, unsigned int fatal_size)
204 log_info_file = info;
205 log_warning_file = warning;
206 log_error_file = error;
207 log_fatal_file = fatal;
209 log_info_size = info_size;
210 log_warning_size = warning_size;
211 log_error_size = error_size;
212 log_fatal_size = fatal_size;