git.m6w6.name Git - m6w6/libmemcached/blob - clients/memrm.c

   1 #include <stdio.h>
   2 #include <unistd.h>
   3 #include <getopt.h>
   4 #include <libmemcached/memcached.h>
   5 #include <string.h>
   6 #include "client_options.h"
   7 #include "utilities.h"
   8
   9 static int opt_binary= 0;
  10 static int opt_verbose= 0;
  11 static time_t opt_expire= 0;
  12 static char *opt_servers= NULL;
  13 static char *opt_hash= NULL;
  14
  15 #define PROGRAM_NAME "memrm"
  16 #define PROGRAM_DESCRIPTION "Erase a key or set of keys from a memcached cluster."
  17
  18 /* Prototypes */
  19 void options_parse(int argc, char *argv[]);
  20
  21 int main(int argc, char *argv[])
  22 {
  23   memcached_st *memc;
  24   memcached_return rc;
  25   memcached_server_st *servers;
  26
  27   options_parse(argc, argv);
  28
  29   if (!opt_servers)
  30   {
  31     char *temp;
  32
  33     if ((temp= getenv("MEMCACHED_SERVERS")))
  34       opt_servers= strdup(temp);
  35     else
  36     {
  37       fprintf(stderr, "No Servers provided\n");
  38       exit(1);
  39     }
  40   }
  41
  42   memc= memcached_create(NULL);
  43   process_hash_option(memc, opt_hash);
  44
  45   servers= memcached_servers_parse(opt_servers);
  46   memcached_server_push(memc, servers);
  47   memcached_server_list_free(servers);
  48   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, opt_binary);
  49
  50   while (optind < argc)
  51   {
  52     if (opt_verbose)
  53       printf("key: %s\nexpires: %llu\n", argv[optind], (unsigned long long)opt_expire);
  54     rc = memcached_delete(memc, argv[optind], strlen(argv[optind]), opt_expire);
  55
  56     if (rc != MEMCACHED_SUCCESS)
  57     {
  58       fprintf(stderr, "memrm: %s: memcache error %s",
  59               argv[optind], memcached_strerror(memc, rc));
  60       if (memc->cached_errno)
  61         fprintf(stderr, " system error %s", strerror(memc->cached_errno));
  62       fprintf(stderr, "\n");
  63     }
  64
  65     optind++;
  66   }
  67
  68   memcached_free(memc);
  69
  70   if (opt_servers)
  71     free(opt_servers);
  72   if (opt_hash)
  73     free(opt_hash);
  74
  75   return 0;
  76 }
  77
  78
  79 void options_parse(int argc, char *argv[])
  80 {
  81   memcached_programs_help_st help_options[]=
  82   {
  83     {0},
  84   };
  85
  86   static struct option long_options[]=
  87   {
  88     {"version", no_argument, NULL, OPT_VERSION},
  89     {"help", no_argument, NULL, OPT_HELP},
  90     {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
  91     {"debug", no_argument, &opt_verbose, OPT_DEBUG},
  92     {"servers", required_argument, NULL, OPT_SERVERS},
  93     {"expire", required_argument, NULL, OPT_EXPIRE},
  94     {"hash", required_argument, NULL, OPT_HASH},
  95     {"binary", no_argument, NULL, OPT_BINARY},
  96     {0, 0, 0, 0},
  97   };
  98   int option_index= 0;
  99   int option_rv;
 100
 101   while (1)
 102   {
 103     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 104     if (option_rv == -1) break;
 105     switch (option_rv)
 106     {
 107     case 0:
 108       break;
 109     case OPT_BINARY:
 110       opt_binary = 1;
 111       break;
 112     case OPT_VERBOSE: /* --verbose or -v */
 113       opt_verbose = OPT_VERBOSE;
 114       break;
 115     case OPT_DEBUG: /* --debug or -d */
 116       opt_verbose = OPT_DEBUG;
 117       break;
 118     case OPT_VERSION: /* --version or -V */
 119       version_command(PROGRAM_NAME);
 120       break;
 121     case OPT_HELP: /* --help or -h */
 122       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 123       break;
 124     case OPT_SERVERS: /* --servers or -s */
 125       opt_servers= strdup(optarg);
 126       break;
 127     case OPT_EXPIRE: /* --expire */
 128       opt_expire= (time_t)strtoll(optarg, (char **)NULL, 10);
 129       break;
 130     case OPT_HASH:
 131       opt_hash= strdup(optarg);
 132       break;
 133     case '?':
 134       /* getopt_long already printed an error message. */
 135       exit(1);
 136     default:
 137       abort();
 138     }
 139   }
 140 }