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annotate log.c @ 25:f4e8a7920b94

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pasterd: implement search, closes #2474 @30m
author David Demelier <markand@malikania.fr>
date Fri, 07 Feb 2020 13:23:48 +0100
parents 6702a87420d1
children fba88439ec0a
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1 /*
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2 * log.c -- logging routines
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3 *
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4 * Copyright (c) 2020 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 #include <assert.h>
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20 #include <stdio.h>
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21 #include <syslog.h>
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22
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23 #include "config.h"
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24 #include "log.h"
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25
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26 static int syslog_levels[] = {
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27 [LOG_LEVEL_DEBUG] = LOG_DEBUG,
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28 [LOG_LEVEL_INFO] = LOG_INFO,
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29 [LOG_LEVEL_WARNING] = LOG_WARNING
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30 };
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31
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32 void
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33 log_open(void)
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34 {
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35 if (config.verbosity > 0)
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36 openlog("paster", 0, LOG_USER);
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37 }
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38
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39 void
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40 log_write(enum log_level level, const char *fmt, ...)
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41 {
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42 assert(level >= LOG_LEVEL_WARNING && level <= LOG_LEVEL_DEBUG);
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43 assert(fmt);
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44
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45 if (config.verbosity >= level) {
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46 va_list ap;
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47
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48 va_start(ap, fmt);
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49 log_vwrite(level, fmt, ap);
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50 va_end(ap);
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51 }
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52 }
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53
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54 void
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55 log_vwrite(enum log_level level, const char *fmt, va_list ap)
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56 {
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57 assert(level >= LOG_LEVEL_WARNING && level <= LOG_LEVEL_DEBUG);
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58 assert(fmt);
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59
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60 char line[BUFSIZ];
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61
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62 vsnprintf(line, sizeof (line), fmt, ap);
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63 syslog(syslog_levels[level], "%s", line);
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64 }
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65
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66 void
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67 log_finish(void)
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68 {
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69 if (config.verbosity > 0)
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70 closelog();
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71 }