forked from Telodendria/Cytoplasm
393 lines
7.6 KiB
C
393 lines
7.6 KiB
C
/*
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* Copyright (C) 2022-2024 Jordan Bancino <@jordan:bancino.net>
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include <Log.h>
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#include <Memory.h>
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#include <Util.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <ctype.h>
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#include <stdarg.h>
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#include <pthread.h>
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#define LOG_TSBUFFER 64
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struct LogConfig
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{
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int level;
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size_t indent;
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Stream *out;
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int flags;
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char *tsFmt;
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pthread_mutex_t lock;
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};
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LogConfig *globalConfig = NULL;
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LogConfig *
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LogConfigCreate(void)
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{
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LogConfig *config;
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config = Malloc(sizeof(LogConfig));
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if (!config)
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{
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return NULL;
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}
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memset(config, 0, sizeof(LogConfig));
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pthread_mutex_init(&config->lock, NULL);
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LogConfigLevelSet(config, LOG_INFO);
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LogConfigIndentSet(config, 0);
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LogConfigOutputSet(config, NULL); /* Will set to stdout */
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LogConfigFlagSet(config, LOG_FLAG_COLOR);
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LogConfigTimeStampFormatSet(config, "%y-%m-%d %H:%M:%S");
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return config;
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}
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LogConfig *
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LogConfigGlobal(void)
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{
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if (!globalConfig)
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{
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globalConfig = LogConfigCreate();
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}
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return globalConfig;
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}
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void
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LogConfigFlagClear(LogConfig * config, int flags)
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{
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if (!config)
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{
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return;
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}
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config->flags &= ~flags;
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}
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static int
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LogConfigFlagGet(LogConfig * config, int flags)
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{
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if (!config)
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{
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return 0;
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}
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return config->flags & flags;
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}
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void
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LogConfigFlagSet(LogConfig * config, int flags)
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{
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if (!config)
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{
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return;
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}
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config->flags |= flags;
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}
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void
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LogConfigFree(LogConfig * config)
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{
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if (!config)
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{
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return;
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}
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pthread_mutex_destroy(&config->lock);
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Free(config);
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if (config == globalConfig)
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{
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globalConfig = NULL;
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}
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}
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void
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LogConfigIndent(LogConfig * config)
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{
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if (config)
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{
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config->indent += 2;
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}
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}
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void
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LogConfigIndentSet(LogConfig * config, size_t indent)
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{
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if (!config)
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{
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return;
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}
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config->indent = indent;
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}
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int
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LogConfigLevelGet(LogConfig * config)
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{
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if (!config)
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{
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return -1;
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}
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return config->level;
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}
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void
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LogConfigLevelSet(LogConfig * config, int level)
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{
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if (!config)
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{
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return;
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}
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switch (level)
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{
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case LOG_ERR:
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case LOG_WARNING:
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case LOG_INFO:
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case LOG_DEBUG:
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config->level = level;
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default:
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break;
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}
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}
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void
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LogConfigOutputSet(LogConfig * config, Stream * out)
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{
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if (!config)
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{
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return;
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}
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if (out)
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{
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config->out = out;
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}
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else
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{
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config->out = StreamStdout();
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}
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}
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void
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LogConfigTimeStampFormatSet(LogConfig * config, char *tsFmt)
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{
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if (config)
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{
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config->tsFmt = tsFmt;
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}
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}
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void
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LogConfigUnindent(LogConfig * config)
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{
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if (config && config->indent >= 2)
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{
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config->indent -= 2;
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}
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}
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void
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Logv(LogConfig * config, int level, const char *msg, va_list argp)
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{
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size_t i;
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int doColor;
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char indicator;
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/*
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* Only proceed if we have a config and its log level is set to a
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* value that permits us to log. This is as close as we can get
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* to a no-op function if we aren't logging anything, without doing
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* some crazy macro magic.
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*/
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if (!config || level > config->level)
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{
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return;
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}
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/* Misconfiguration */
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if (!config->out)
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{
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return;
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}
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pthread_mutex_lock(&config->lock);
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if (LogConfigFlagGet(config, LOG_FLAG_SYSLOG))
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{
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/* No further print logic is needed; syslog will handle it all
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* for us. */
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vsyslog(level, msg, argp);
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pthread_mutex_unlock(&config->lock);
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return;
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}
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doColor = LogConfigFlagGet(config, LOG_FLAG_COLOR)
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&& isatty(StreamFileno(config->out));
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if (doColor)
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{
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char *ansi;
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switch (level)
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{
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case LOG_EMERG:
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case LOG_ALERT:
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case LOG_CRIT:
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case LOG_ERR:
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/* Bold Red */
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ansi = "\033[1;31m";
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break;
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case LOG_WARNING:
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/* Bold Yellow */
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ansi = "\033[1;33m";
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break;
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case LOG_NOTICE:
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/* Bold Magenta */
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ansi = "\033[1;35m";
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break;
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case LOG_INFO:
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/* Bold Green */
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ansi = "\033[1;32m";
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break;
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case LOG_DEBUG:
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/* Bold Blue */
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ansi = "\033[1;34m";
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break;
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default:
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ansi = "";
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break;
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}
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StreamPuts(config->out, ansi);
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}
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StreamPutc(config->out, '[');
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if (config->tsFmt)
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{
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time_t timer = time(NULL);
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struct tm *timeInfo = localtime(&timer);
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char tsBuffer[LOG_TSBUFFER];
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int tsLength = strftime(tsBuffer, LOG_TSBUFFER, config->tsFmt,
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timeInfo);
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if (tsLength)
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{
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StreamPuts(config->out, tsBuffer);
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if (!isspace((unsigned char) tsBuffer[tsLength - 1]))
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{
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StreamPutc(config->out, ' ');
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}
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}
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}
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StreamPrintf(config->out, "(%lu) ", UtilThreadNo());
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switch (level)
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{
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case LOG_EMERG:
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indicator = '#';
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break;
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case LOG_ALERT:
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indicator = '@';
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break;
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case LOG_CRIT:
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indicator = 'X';
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break;
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case LOG_ERR:
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indicator = 'x';
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break;
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case LOG_WARNING:
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indicator = '!';
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break;
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case LOG_NOTICE:
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indicator = '~';
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break;
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case LOG_INFO:
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indicator = '>';
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break;
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case LOG_DEBUG:
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indicator = '*';
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break;
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default:
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indicator = '?';
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break;
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}
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StreamPrintf(config->out, "%c]", indicator);
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if (doColor)
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{
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/* ANSI Reset */
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StreamPuts(config->out, "\033[0m");
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}
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StreamPutc(config->out, ' ');
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for (i = 0; i < config->indent; i++)
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{
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StreamPutc(config->out, ' ');
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}
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StreamVprintf(config->out, msg, argp);
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StreamPutc(config->out, '\n');
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StreamFlush(config->out);
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pthread_mutex_unlock(&config->lock);
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}
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void
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LogTo(LogConfig * config, int level, const char *fmt,...)
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{
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va_list argp;
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va_start(argp, fmt);
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Logv(config, level, fmt, argp);
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va_end(argp);
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}
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extern void
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Log(int level, const char *fmt,...)
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{
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va_list argp;
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va_start(argp, fmt);
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Logv(LogConfigGlobal(), level, fmt, argp);
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va_end(argp);
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}
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