src/hal-tdm-log.c

   1 #include <stdio.h>
   2 #include <dlog.h>
   3 #include "hal-tdm-types.h"
   4 #include "common.h"
   5
   6 #define TDM_PATH_LEN        1024
   7
   8 #define COLOR_RED "\x1b[31m"      /* for error */
   9 #define COLOR_YELLOW "\x1b[33m"   /* for warning */
  10 #define COLOR_GREEN "\x1b[32m"    /* for info */
  11 #define COLOR_RESET "\x1b[0m"
  12
  13 #if ENABLE_DLOG
  14 static unsigned int dlog_enable = 1;
  15 #else
  16 static unsigned int dlog_enable = 0;
  17 #endif
  18 static unsigned int color_enable = 1;
  19
  20 unsigned int tdm_log_debug_level = HAL_TDM_LOG_LEVEL_INFO;
  21
  22 static int stdout_fd = -1;
  23
  24 void
  25 tdm_log_set_path(const char *path)
  26 {
  27         if (!path) {
  28                 if (stdout_fd != -1) {
  29                         fflush(stdout);
  30                         close(STDOUT_FILENO);
  31                         dup2(stdout_fd, STDOUT_FILENO);
  32                         close(stdout_fd);
  33                         stdout_fd = -1;
  34                 }
  35         } else {
  36                 char fd_name[TDM_PATH_LEN];
  37                 int  log_fd = -1;
  38                 FILE *log_fl;
  39
  40                 snprintf(fd_name, TDM_PATH_LEN, "%s", path);
  41
  42                 log_fl = fopen(fd_name, "a");
  43                 if (!log_fl) {
  44                         HAL_TDM_ERR("failed: open file(%s)\n", fd_name);
  45                         return;
  46                 }
  47
  48                 if (stdout_fd == -1) {
  49                         fflush(stdout);
  50                         stdout_fd = dup(STDOUT_FILENO);
  51                         if (stdout_fd < 0) {
  52                                 HAL_TDM_ERR("dup failed: %m\n");
  53                                 fclose(log_fl);
  54                                 return;
  55                         }
  56                 }
  57
  58                 setvbuf(log_fl, NULL, _IOLBF, 512);
  59                 log_fd = fileno(log_fl);
  60
  61                 close(STDOUT_FILENO);
  62                 dup2(log_fd, STDOUT_FILENO);
  63                 fclose(log_fl);
  64         }
  65 }
  66
  67 static void
  68 _tdm_log_vprint_stdout(int level, const char *fmt, va_list arg)
  69 {
  70         char *lvl_str[] = {"HAL_TDM_NON", "HAL_TDM_ERR", "HAL_TDM_WRN", "HAL_TDM_INF", "HAL_TDM_DBG"};
  71         char *color[] = {COLOR_RESET, COLOR_RED, COLOR_YELLOW, COLOR_GREEN, COLOR_RESET};
  72
  73         if (level > tdm_log_debug_level)
  74                 return;
  75
  76         if (color_enable)
  77                 printf("%s", color[level]);
  78         printf("[%s]", lvl_str[level]);
  79         if (color_enable)
  80                 printf(COLOR_RESET);
  81         vprintf(fmt, arg);
  82         printf("\n");
  83 }
  84
  85 void
  86 tdm_log_print_stdout(int level, const char *fmt, ...)
  87 {
  88         va_list arg;
  89         va_start(arg, fmt);
  90         _tdm_log_vprint_stdout(level, fmt, arg);
  91         va_end(arg);
  92 }
  93
  94 static void
  95 _tdm_log_dlog_print(int level, const char *fmt, va_list arg)
  96 {
  97         log_priority dlog_prio;
  98
  99         switch (level) {
 100         case HAL_TDM_LOG_LEVEL_ERR:
 101                 dlog_prio = DLOG_ERROR;
 102                 break;
 103         case HAL_TDM_LOG_LEVEL_WRN:
 104                 dlog_prio = DLOG_WARN;
 105                 break;
 106         case HAL_TDM_LOG_LEVEL_INFO:
 107                 dlog_prio = DLOG_INFO;
 108                 break;
 109         case HAL_TDM_LOG_LEVEL_DBG:
 110                 dlog_prio = DLOG_DEBUG;
 111                 break;
 112         default:
 113                 return;
 114         }
 115         __dlog_vprint(LOG_ID_SYSTEM, dlog_prio, LOG_TAG, fmt, arg);
 116 }
 117
 118 void
 119 hal_tdm_log_print(int level, const char *fmt, ...)
 120 {
 121         va_list arg;
 122
 123         if (level > tdm_log_debug_level)
 124                 return;
 125
 126         if (dlog_enable) {
 127                 va_start(arg, fmt);
 128                 _tdm_log_dlog_print(level, fmt, arg);
 129                 va_end(arg);
 130         } else {
 131                 va_start(arg, fmt);
 132                 _tdm_log_vprint_stdout(level, fmt, arg);
 133                 va_end(arg);
 134         }
 135 }