95 lines
2.1 KiB
C
95 lines
2.1 KiB
C
/*
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*
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* Copyright 2023 Oleg Borodin <borodin@unix7.org>
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*
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*/
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#include <stdio.h>
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#include <string.h>
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#include <time.h>
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#include <stdarg.h>
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#include <pthread.h>
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#define CLOCK_SOURCE CLOCK_MONOTONIC
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#define MAX_TS_LEN 256
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static pthread_mutex_t logmutex = NULL;
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static pthread_mutexattr_t logmutex_attrs;
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void log_init(void) {
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pthread_mutexattr_init(&logmutex_attrs);
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pthread_mutexattr_setpshared(&logmutex_attrs, PTHREAD_PROCESS_SHARED);
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pthread_mutex_init(&logmutex, &logmutex_attrs);
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}
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void log_destroy(void) {
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pthread_mutex_destroy(&logmutex);
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pthread_mutexattr_destroy(&logmutex_attrs);
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}
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void static set_timestamp(char* buffer) {
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time_t now = time(NULL);
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if (now < 0) {
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return;
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}
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struct tm* ptm = localtime(&now);
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if (ptm == NULL) {
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return;
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}
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struct timespec tv;
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clock_gettime(CLOCK_SOURCE, &tv);
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memset(buffer, '\0', MAX_TS_LEN);
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sprintf(buffer, "%04d-%02d-%02dT%02d:%02d:%02d.%ld+%s",
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ptm->tm_year + 1900, ptm->tm_mon + 1, ptm->tm_mday, ptm->tm_hour,
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ptm->tm_min, ptm->tm_sec, tv.tv_nsec, ptm->tm_zone);
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}
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void log_error(const char* format, ...) {
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char timestamp[MAX_TS_LEN];
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set_timestamp(timestamp);
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pthread_mutex_lock(&logmutex);
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va_list args;
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fprintf(stderr, "%s error: ", timestamp);
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va_start(args, format);
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vfprintf(stderr, format, args);
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va_end(args);
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fprintf(stderr, "\n");
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pthread_mutex_unlock(&logmutex);
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}
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void log_warning(const char* format, ...) {
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char timestamp[MAX_TS_LEN];
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set_timestamp(timestamp);
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pthread_mutex_lock(&logmutex);
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va_list args;
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fprintf(stderr, "%s warning: ", timestamp);
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va_start(args, format);
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vfprintf(stderr, format, args);
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va_end(args);
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fprintf(stderr, "\n");
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pthread_mutex_unlock(&logmutex);
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}
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void log_debug(const char* format, ...) {
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char timestamp[MAX_TS_LEN];
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set_timestamp(timestamp);
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pthread_mutex_lock(&logmutex);
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va_list args;
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fprintf(stderr, "%s debug: ", timestamp);
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va_start(args, format);
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vfprintf(stderr, format, args);
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va_end(args);
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fprintf(stderr, "\n");
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pthread_mutex_unlock(&logmutex);
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}
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