87 lines
2.2 KiB
C
87 lines
2.2 KiB
C
#include <stdio.h>
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#include <time.h>
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#include "lnm/common.h"
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#include "lnm/log_internal.h"
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const char *lnm_log_level_names[] = {"DEBUG ", "INFO ", "NOTICE ",
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"WARNING ", "ERROR ", "CRITICAL"};
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lnm_logger *global_logger = NULL;
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lnm_err lnm_log_init_global() {
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global_logger = calloc(1, sizeof(lnm_logger));
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return global_logger == NULL ? lnm_err_failed_alloc : lnm_err_ok;
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}
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lnm_err lnm_logger_stream_register(lnm_logger *logger,
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lnm_logger_stream *stream) {
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lnm_logger_stream **new =
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logger->streams.len == 0
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? malloc(sizeof(lnm_logger_stream *))
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: realloc(logger->streams.arr,
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(logger->streams.len + 1) * sizeof(lnm_logger_stream *));
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if (new == NULL) {
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return lnm_err_failed_alloc;
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}
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new[logger->streams.len] = stream;
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logger->streams.arr = new;
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logger->streams.len++;
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return lnm_err_ok;
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}
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lnm_err lnm_log_register_stdout(lnm_log_level level) {
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lnm_logger_stream *stream = malloc(sizeof(lnm_logger_stream));
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if (stream == NULL) {
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return lnm_err_failed_alloc;
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}
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stream->type = lnm_logger_stream_type_file;
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stream->ptr = stdout;
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stream->level = level;
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LNM_RES2(lnm_logger_stream_register(global_logger, stream), free(stream));
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return lnm_err_ok;
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}
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void lnm_vlog(lnm_log_level level, const char *section, const char *fmt,
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va_list ap) {
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char date_str[32];
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time_t now = time(NULL);
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strftime(date_str, sizeof(date_str) - 1, "%Y-%m-%d %H:%M:%S",
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localtime(&now));
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for (size_t i = 0; i < global_logger->streams.len; i++) {
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lnm_logger_stream *stream = global_logger->streams.arr[i];
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if (level < stream->level) {
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continue;
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}
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switch (stream->type) {
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case lnm_logger_stream_type_file:
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fprintf(stream->ptr, "[%s][%s][%s] ", date_str,
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lnm_log_level_names[level], section);
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vfprintf(stream->ptr, fmt, ap);
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fprintf(stream->ptr, "\n");
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break;
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}
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va_end(ap);
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}
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}
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void lnm_log(lnm_log_level level, const char *section, const char *fmt, ...) {
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va_list ap;
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va_start(ap, fmt);
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lnm_vlog(level, section, fmt, ap);
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va_end(ap);
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}
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