git.m6w6.name Git - awesomized/libmemcached/blob - src/memrm.c

   1 #include <stdio.h>
   2 #include <unistd.h>
   3 #include <getopt.h>
   4 #include <memcached.h>
   5 #include <string.h>
   6 #include "client_options.h"
   7 #include "utilities.h"
   8
   9 static int opt_verbose= 0;
  10 static time_t opt_expire= 0;
  11 static char *opt_servers= NULL;
  12
  13 #define PROGRAM_NAME "memrm"
  14 #define PROGRAM_DESCRIPTION "Erase a key or set of keys from a memcached cluster."
  15
  16 /* Prototypes */
  17 void options_parse(int argc, char *argv[]);
  18
  19 int main(int argc, char *argv[])
  20 {
  21   memcached_st *memc;
  22   memcached_return rc;
  23   memcached_server_st *servers;
  24
  25   options_parse(argc, argv);
  26
  27   if (!opt_servers)
  28   {
  29     char *temp;
  30
  31     if ((temp= getenv("MEMCACHED_SERVERS")))
  32       opt_servers= strdup(temp);
  33     else
  34       exit(1);
  35   }
  36
  37   memc= memcached_create(NULL);
  38
  39   servers= memcached_servers_parse(opt_servers);
  40   memcached_server_push(memc, servers);
  41   memcached_server_list_free(servers);
  42
  43   while (optind < argc)
  44   {
  45     if (opt_verbose)
  46       printf("key: %s\nexpires: %llu\n", argv[optind], (unsigned long long)opt_expire);
  47     rc = memcached_delete(memc, argv[optind], strlen(argv[optind]), opt_expire);
  48
  49     if (rc != MEMCACHED_SUCCESS)
  50     {
  51       fprintf(stderr, "memrm: %s: memcache error %s",
  52               argv[optind], memcached_strerror(memc, rc));
  53       if (memc->my_errno)
  54         fprintf(stderr, " system error %s", strerror(memc->my_errno));
  55       fprintf(stderr, "\n");
  56     }
  57
  58     optind++;
  59   }
  60
  61   memcached_free(memc);
  62
  63   free(opt_servers);
  64
  65   return 0;
  66 }
  67
  68
  69 void options_parse(int argc, char *argv[])
  70 {
  71   memcached_programs_help_st help_options[]=
  72   {
  73     {0},
  74   };
  75
  76   static struct option long_options[]=
  77   {
  78     {"version", no_argument, NULL, OPT_VERSION},
  79     {"help", no_argument, NULL, OPT_HELP},
  80     {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
  81     {"debug", no_argument, &opt_verbose, OPT_DEBUG},
  82     {"servers", required_argument, NULL, OPT_SERVERS},
  83     {"expire", required_argument, NULL, OPT_EXPIRE},
  84     {0, 0, 0, 0},
  85   };
  86   int option_index= 0;
  87   int option_rv;
  88
  89   while (1)
  90   {
  91     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
  92     if (option_rv == -1) break;
  93     switch (option_rv)
  94     {
  95     case 0:
  96       break;
  97     case OPT_VERBOSE: /* --verbose or -v */
  98       opt_verbose = OPT_VERBOSE;
  99       break;
 100     case OPT_DEBUG: /* --debug or -d */
 101       opt_verbose = OPT_DEBUG;
 102       break;
 103     case OPT_VERSION: /* --version or -V */
 104       version_command(PROGRAM_NAME);
 105       break;
 106     case OPT_HELP: /* --help or -h */
 107       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 108       break;
 109     case OPT_SERVERS: /* --servers or -s */
 110       opt_servers= strdup(optarg);
 111       break;
 112     case OPT_EXPIRE: /* --expire */
 113       opt_expire= (time_t)strtoll(optarg, (char **)NULL, 10);
 114       break;
 115     case '?':
 116       /* getopt_long already printed an error message. */
 117       exit(1);
 118     default:
 119       abort();
 120     }
 121   }
 122 }