110 lines
2.7 KiB
C
110 lines
2.7 KiB
C
#include "log.h"
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#ifdef APPLOG_ENABLED
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#include <pthread.h>
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#include <stdarg.h>
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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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#ifdef LOG_FILE_LOCATION
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#include <zlib.h>
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static pthread_mutex_t fmtx = PTHREAD_MUTEX_INITIALIZER;
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#endif
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static pthread_mutex_t cmtx = PTHREAD_MUTEX_INITIALIZER;
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/* Replicates pFname: strips return type and parameters from __PRETTY_FUNCTION__
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* "void myFunc(int x)" → "myFunc"
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* "int other_func(void)" → "other_func"
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*/
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static void fmt_funcname(const char *pretty, char *out, size_t outsz) {
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const char *start = pretty;
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const char *space = strchr(pretty, ' ');
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if (space)
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start = space + 1;
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const char *paren = strrchr(start, '(');
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size_t len = paren ? (size_t)(paren - start) : strlen(start);
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if (len >= outsz)
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len = outsz - 1;
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memcpy(out, start, len);
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out[len] = '\0';
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}
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void log_write(const log_level_t level, const char *func, const char *fmt, ...) {
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static const char *reset = "\033[0m";
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const char *color;
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switch (level) {
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case LOG_INF:
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color = "\033[1;32m";
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break; /* bold green */
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case LOG_WRN:
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color = "\033[1;33m";
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break; /* bold yellow */
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case LOG_ERR:
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color = "\033[1;31m";
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break; /* bold red */
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case LOG_DBG:
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color = "";
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break;
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case LOG_START:
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color = "\033[1;3;36m";
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break; /* bold italic cyan */
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default:
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color = "";
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break;
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}
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char funcname[128];
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fmt_funcname(func, funcname, sizeof(funcname));
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/* ── console ─────────────────────────────────────────────────────── */
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{
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va_list ap;
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va_start(ap, fmt);
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pthread_mutex_lock(&cmtx);
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fprintf(stderr, "[%s%s%s] ", color, funcname, reset);
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vfprintf(stderr, fmt, ap);
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fputc('\n', stderr);
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pthread_mutex_unlock(&cmtx);
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va_end(ap);
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}
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#ifdef LOG_FILE_LOCATION
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/* ── file ────────────────────────────────────────────────────────── */
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{
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char timebuf[32];
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struct timespec ts;
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clock_gettime(CLOCK_REALTIME, &ts);
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struct tm tm_info;
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localtime_r(&ts.tv_sec, &tm_info);
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strftime(timebuf, sizeof(timebuf), "%x %H:%M:%S", &tm_info);
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char msgbuf[1024];
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va_list ap;
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va_start(ap, fmt);
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int offset = snprintf(msgbuf, sizeof(msgbuf),
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"%s.%03ld [%s%s%s] ",
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timebuf, ts.tv_nsec / 1000000L,
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color, funcname, reset);
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vsnprintf(msgbuf + offset, sizeof(msgbuf) - offset, fmt, ap);
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va_end(ap);
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pthread_mutex_lock(&fmtx);
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gzFile file = gzopen(LOG_FILE_LOCATION, "ab");
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if (file) {
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gzprintf(file, "%s\n", msgbuf);
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gzclose(file);
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}
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pthread_mutex_unlock(&fmtx);
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}
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#endif /* LOG_FILE_LOCATION */
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}
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#endif /* APPLOG_ENABLED */
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