git.m6w6.name Git - m6w6/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 static char *opt_hash= NULL;
  13
  14 #define PROGRAM_NAME "memrm"
  15 #define PROGRAM_DESCRIPTION "Erase a key or set of keys from a memcached cluster."
  16
  17 /* Prototypes */
  18 void options_parse(int argc, char *argv[]);
  19
  20 int main(int argc, char *argv[])
  21 {
  22   memcached_st *memc;
  23   memcached_return rc;
  24   memcached_server_st *servers;
  25
  26   options_parse(argc, argv);
  27
  28   if (!opt_servers)
  29   {
  30     char *temp;
  31
  32     if ((temp= getenv("MEMCACHED_SERVERS")))
  33       opt_servers= strdup(temp);
  34     else
  35     {
  36       fprintf(stderr, "No Servers provided\n");
  37       exit(1);
  38     }
  39   }
  40
  41   memc= memcached_create(NULL);
  42   process_hash_option(memc, opt_hash);
  43
  44   servers= memcached_servers_parse(opt_servers);
  45   memcached_server_push(memc, servers);
  46   memcached_server_list_free(servers);
  47
  48   while (optind < argc)
  49   {
  50     if (opt_verbose)
  51       printf("key: %s\nexpires: %llu\n", argv[optind], (unsigned long long)opt_expire);
  52     rc = memcached_delete(memc, argv[optind], strlen(argv[optind]), opt_expire);
  53
  54     if (rc != MEMCACHED_SUCCESS)
  55     {
  56       fprintf(stderr, "memrm: %s: memcache error %s",
  57               argv[optind], memcached_strerror(memc, rc));
  58       if (memc->cached_errno)
  59         fprintf(stderr, " system error %s", strerror(memc->cached_errno));
  60       fprintf(stderr, "\n");
  61     }
  62
  63     optind++;
  64   }
  65
  66   memcached_free(memc);
  67
  68   if (opt_servers)
  69     free(opt_servers);
  70   if (opt_hash)
  71     free(opt_hash);
  72
  73   return 0;
  74 }
  75
  76
  77 void options_parse(int argc, char *argv[])
  78 {
  79   memcached_programs_help_st help_options[]=
  80   {
  81     {0},
  82   };
  83
  84   static struct option long_options[]=
  85   {
  86     {"version", no_argument, NULL, OPT_VERSION},
  87     {"help", no_argument, NULL, OPT_HELP},
  88     {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
  89     {"debug", no_argument, &opt_verbose, OPT_DEBUG},
  90     {"servers", required_argument, NULL, OPT_SERVERS},
  91     {"expire", required_argument, NULL, OPT_EXPIRE},
  92     {"hash", required_argument, NULL, OPT_HASH},
  93     {0, 0, 0, 0},
  94   };
  95   int option_index= 0;
  96   int option_rv;
  97
  98   while (1)
  99   {
 100     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 101     if (option_rv == -1) break;
 102     switch (option_rv)
 103     {
 104     case 0:
 105       break;
 106     case OPT_VERBOSE: /* --verbose or -v */
 107       opt_verbose = OPT_VERBOSE;
 108       break;
 109     case OPT_DEBUG: /* --debug or -d */
 110       opt_verbose = OPT_DEBUG;
 111       break;
 112     case OPT_VERSION: /* --version or -V */
 113       version_command(PROGRAM_NAME);
 114       break;
 115     case OPT_HELP: /* --help or -h */
 116       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 117       break;
 118     case OPT_SERVERS: /* --servers or -s */
 119       opt_servers= strdup(optarg);
 120       break;
 121     case OPT_EXPIRE: /* --expire */
 122       opt_expire= (time_t)strtoll(optarg, (char **)NULL, 10);
 123       break;
 124     case OPT_HASH:
 125       opt_hash= strdup(optarg);
 126       break;
 127     case '?':
 128       /* getopt_long already printed an error message. */
 129       exit(1);
 130     default:
 131       abort();
 132     }
 133   }
 134 }