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path: root/src/osfp_log.c
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#include "osfp_common.h"
#include "osfp_log.h"

/* The maximum length of the log message */
#define OSFP_MAX_LOG_MSG_LEN 2048

unsigned int g_osfp_log_level = OSFP_LOG_LEVEL_WARNING;

void osfp_log_message(unsigned int x, const char *file, const int line, const char *func, const char *msg)
{
    char buffer[OSFP_MAX_LOG_MSG_LEN] = "";
    char log_time_buf[128];
    time_t now;
    struct tm tm_now;

    time(&now);
    localtime_r(&now, &tm_now);
    strftime(log_time_buf, sizeof(log_time_buf), "%Y-%m-%d %T", &tm_now);

    switch (x) {
        case OSFP_LOG_LEVEL_DEBUG:
            snprintf(buffer, sizeof(buffer), "[%s][DEBUG][%s:%d %s] %s\n", log_time_buf, file, line, func, msg);
            break;
        case OSFP_LOG_LEVEL_INFO:
            snprintf(buffer, sizeof(buffer), "[%s][INFO][%s:%d %s] %s\n", log_time_buf, file, line, func, msg);
            break;
        case OSFP_LOG_LEVEL_WARNING:
            snprintf(buffer, sizeof(buffer), "[%s][WARN][%s:%d %s] %s\n", log_time_buf, file, line, func, msg);
            break;
        case OSFP_LOG_LEVEL_ERROR:
            snprintf(buffer, sizeof(buffer), "[%s][ERROR][%s:%d %s] %s\n", log_time_buf, file, line, func, msg);
            break;
    }

    if (fprintf(stdout, "%s\n", buffer) < 0) {
        printf("Error writing to stream using fprintf\n");
    }
    fflush(stdout);
}

void osfp_log(unsigned int x, const char *file, const int line, const char *func, const char *fmt, ...)
{
    if (g_osfp_log_level <= x ) {
        char msg[OSFP_MAX_LOG_MSG_LEN];
        va_list ap;
        va_start(ap, fmt);
        vsnprintf(msg, sizeof(msg), fmt, ap);
        va_end(ap);
        osfp_log_message(x, file, line, func, msg);
    }
}

void osfp_log_level_set(enum osfp_log_level level)
{
    g_osfp_log_level = level;
}