logger.c

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#include "common.h"
#include "logger.h"
 
//Array to maintain current log levels to be used
static bool log_level[MAX_LOG_LEVELS] = {false};
static bool module_logs[MAX_MODULES] = {false};
 
void logger_init()
{
    int i;
    
    for (i = 0; i < MAX_LOG_LEVELS; i++) {
        log_level[i] = true;
    }
 
    printf("Logger init\n");
 
}
 
int app_log(char *module, int level, char *prefix, const char *format, ...)
{
    int len = 0;
    va_list args;
 
    va_start(args, format);
 
    if (level < MAX_LOG_LEVELS && log_level[level] == true) {
        char time_buff[64];
        int millisec;
        struct timeval tv;
        time_t now = time(0);
 
        gettimeofday(&tv, NULL);
        millisec = (tv.tv_usec/1000);
        strftime(time_buff, 64, "%H:%M:%S", localtime(&now));
        printf("%s.%03d ", time_buff, millisec);
        switch (level) {
            case __LOG_ERROR__:
                printf("[ERR");
                break;
            case __LOG_WARN__:
                printf("[WRN");
                break;
            case __LOG_INFO__:
                printf("[INF");
                break;
            case __LOG_DEBUG__:
                printf("[DBG");
                break;
            case __LOG_TRACE__:
                printf("[TRC");
                break;
            default:
                printf("[UDF");
                break;
        }
 
        printf(":%s] ",module);
 
        if (prefix != NULL) {
            printf("{%s} ", prefix);
        }
        len = vprintf(format, args);
    }
 
    va_end(args);
 
    return len;
}