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

   1 #include "libmemcached/common.h"
   2 #include <stdio.h>
   3 #include <unistd.h>
   4 #include <getopt.h>
   5 #include <libmemcached/memcached.h>
   6 #include <string.h>
   7 #include "client_options.h"
   8 #include "utilities.h"
   9
  10 static int opt_binary= 0;
  11 static int opt_verbose= 0;
  12 static time_t opt_expire= 0;
  13 static char *opt_servers= NULL;
  14 static char *opt_hash= NULL;
  15
  16 #define PROGRAM_NAME "memrm"
  17 #define PROGRAM_DESCRIPTION "Erase a key or set of keys from a memcached cluster."
  18
  19 /* Prototypes */
  20 void options_parse(int argc, char *argv[]);
  21
  22 int main(int argc, char *argv[])
  23 {
  24   memcached_st *memc;
  25   memcached_return rc;
  26   memcached_server_st *servers;
  27
  28   options_parse(argc, argv);
  29
  30   if (!opt_servers)
  31   {
  32     char *temp;
  33
  34     if ((temp= getenv("MEMCACHED_SERVERS")))
  35       opt_servers= strdup(temp);
  36     else
  37     {
  38       fprintf(stderr, "No Servers provided\n");
  39       exit(1);
  40     }
  41   }
  42
  43   memc= memcached_create(NULL);
  44   process_hash_option(memc, opt_hash);
  45
  46   servers= memcached_servers_parse(opt_servers);
  47   memcached_server_push(memc, servers);
  48   memcached_server_list_free(servers);
  49   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, opt_binary);
  50
  51   while (optind < argc)
  52   {
  53     if (opt_verbose)
  54       printf("key: %s\nexpires: %llu\n", argv[optind], (unsigned long long)opt_expire);
  55     rc = memcached_delete(memc, argv[optind], strlen(argv[optind]), opt_expire);
  56
  57     if (rc != MEMCACHED_SUCCESS)
  58     {
  59       fprintf(stderr, "memrm: %s: memcache error %s",
  60               argv[optind], memcached_strerror(memc, rc));
  61       if (memc->cached_errno)
  62         fprintf(stderr, " system error %s", strerror(memc->cached_errno));
  63       fprintf(stderr, "\n");
  64     }
  65
  66     optind++;
  67   }
  68
  69   memcached_free(memc);
  70
  71   if (opt_servers)
  72     free(opt_servers);
  73   if (opt_hash)
  74     free(opt_hash);
  75
  76   return 0;
  77 }
  78
  79
  80 void options_parse(int argc, char *argv[])
  81 {
  82   memcached_programs_help_st help_options[]=
  83   {
  84     {0},
  85   };
  86
  87   static struct option long_options[]=
  88   {
  89     {"version", no_argument, NULL, OPT_VERSION},
  90     {"help", no_argument, NULL, OPT_HELP},
  91     {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
  92     {"debug", no_argument, &opt_verbose, OPT_DEBUG},
  93     {"servers", required_argument, NULL, OPT_SERVERS},
  94     {"expire", required_argument, NULL, OPT_EXPIRE},
  95     {"hash", required_argument, NULL, OPT_HASH},
  96     {"binary", no_argument, NULL, OPT_BINARY},
  97     {0, 0, 0, 0},
  98   };
  99   int option_index= 0;
 100   int option_rv;
 101
 102   while (1)
 103   {
 104     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 105     if (option_rv == -1) break;
 106     switch (option_rv)
 107     {
 108     case 0:
 109       break;
 110     case OPT_BINARY:
 111       opt_binary = 1;
 112       break;
 113     case OPT_VERBOSE: /* --verbose or -v */
 114       opt_verbose = OPT_VERBOSE;
 115       break;
 116     case OPT_DEBUG: /* --debug or -d */
 117       opt_verbose = OPT_DEBUG;
 118       break;
 119     case OPT_VERSION: /* --version or -V */
 120       version_command(PROGRAM_NAME);
 121       break;
 122     case OPT_HELP: /* --help or -h */
 123       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 124       break;
 125     case OPT_SERVERS: /* --servers or -s */
 126       opt_servers= strdup(optarg);
 127       break;
 128     case OPT_EXPIRE: /* --expire */
 129       opt_expire= (time_t)strtoll(optarg, (char **)NULL, 10);
 130       break;
 131     case OPT_HASH:
 132       opt_hash= strdup(optarg);
 133       break;
 134     case '?':
 135       /* getopt_long already printed an error message. */
 136       exit(1);
 137     default:
 138       abort();
 139     }
 140   }
 141 }