base/util/apps/delete_series.c

#include "drms.h"
#include "jsoc_main.h"

#define kKeepSums "k"

/* Command line parameter values. */
ModuleArgs_t module_args[] = { 
   {ARG_FLAG, kKeepSums, NULL, "If set, then the SUMS files belonging to the series will not be removed.", NULL},
   {ARG_END}
};

char *module_name = "delete_series";
int DoIt(void) {
  int len;
  const char *series;
  char yesno[20];
  char *series_lower;
  int keepsums = 0;
  int drmsstatus = DRMS_SUCCESS;
                        /* Parse command line parameters */
  if (cmdparams_numargs (&cmdparams) < 2) goto usage;
                              /* Get series name */
  series  = cmdparams_getarg (&cmdparams, 1);
  series_lower = strdup(series);
  
  keepsums = cmdparams_isflagset(&cmdparams, kKeepSums);

  /*See if series exists before going through any other checks */
  if (!drms_series_exists(drms_env, series_lower, &drmsstatus))
  { 
     printf("***** The series %s does not exist, and cannot be removed. *****\n Please try again with a valid series name\n", series);
     free(series_lower);
     return 1;
  } 

  free(series_lower);
  series_lower = NULL;

  /* Remove existing series */
  printf("You are about to permanently erase all metadata for the series "
     "'%s'.\nAre you sure you want to do this (yes/no)? ",series);
  fgets(yesno,10,stdin);
  len = strlen(yesno);
  if (yesno[len-1]=='\n')
    yesno[len-1]=0;
  if (!strcmp(yesno,"yes"))
  {
    memset(yesno,0,10);
    printf("I repeat: All data records from '%s' will be erased.\n"
       "Are you REALLY sure you want to do this (yes/no)? ",series);
    fgets(yesno,10,stdin);
    len = strlen(yesno);
    if (yesno[len-1]=='\n')
      yesno[len-1]=0;
    if (!strcmp(yesno,"yes"))
    {
        printf("Removing existing series '%s'...\n",series);  
        if (!drms_delete_series(drms_env, series, 1, keepsums))
        {
            return 0;
        }
        else
        {
            printf("'%s': Failed to delete DRMS series.\n",series);
            return 1;
        }
    } 
    else 
    {
      printf("Series %s is not removed.\n", series);
      return 0;
    }
  } 
  else 
  {
    printf("Series %s is not removed.\n", series);
    return 0;
  }

  return 0;

  usage:
  printf("Usage: %s seriesname\n",cmdparams_getarg(&cmdparams, 0));
  return 1;
}
    

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