git.m6w6.name Git - awesomized/libmemcached/blob - clients/memrm.cc

   1 /* LibMemcached
   2  * Copyright (C) 2006-2009 Brian Aker
   3  * All rights reserved.
   4  *
   5  * Use and distribution licensed under the BSD license.  See
   6  * the COPYING file in the parent directory for full text.
   7  *
   8  * Summary:
   9  *
  10  */
  11 #include "config.h"
  12
  13 #include <stdio.h>
  14 #include <unistd.h>
  15 #include <getopt.h>
  16 #include <libmemcached/memcached.h>
  17 #include <string.h>
  18 #include "client_options.h"
  19 #include "utilities.h"
  20
  21 static int opt_binary= 0;
  22 static int opt_verbose= 0;
  23 static time_t opt_expire= 0;
  24 static char *opt_servers= NULL;
  25 static char *opt_hash= NULL;
  26 static char *opt_username;
  27 static char *opt_passwd;
  28
  29 #define PROGRAM_NAME "memrm"
  30 #define PROGRAM_DESCRIPTION "Erase a key or set of keys from a memcached cluster."
  31
  32 /* Prototypes */
  33 static void options_parse(int argc, char *argv[]);
  34
  35 int main(int argc, char *argv[])
  36 {
  37   memcached_st *memc;
  38   memcached_return_t rc;
  39   memcached_server_st *servers;
  40
  41   int return_code= 0;
  42
  43   options_parse(argc, argv);
  44   initialize_sockets();
  45
  46   if (!opt_servers)
  47   {
  48     char *temp;
  49
  50     if ((temp= getenv("MEMCACHED_SERVERS")))
  51       opt_servers= strdup(temp);
  52     else
  53     {
  54       fprintf(stderr, "No Servers provided\n");
  55       exit(1);
  56     }
  57   }
  58
  59   memc= memcached_create(NULL);
  60   process_hash_option(memc, opt_hash);
  61
  62   servers= memcached_servers_parse(opt_servers);
  63   memcached_server_push(memc, servers);
  64   memcached_server_list_free(servers);
  65   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
  66                          (uint64_t) opt_binary);
  67
  68   if (!initialize_sasl(memc, opt_username, opt_passwd))
  69   {
  70     memcached_free(memc);
  71     return EXIT_FAILURE;
  72   }
  73
  74   while (optind < argc)
  75   {
  76     if (opt_verbose)
  77       printf("key: %s\nexpires: %llu\n", argv[optind], (unsigned long long)opt_expire);
  78     rc = memcached_delete(memc, argv[optind], strlen(argv[optind]), opt_expire);
  79
  80     if (rc != MEMCACHED_SUCCESS)
  81     {
  82       fprintf(stderr, "memrm: %s: memcache error %s",
  83               argv[optind], memcached_strerror(memc, rc));
  84       if (memcached_last_error_errno(memc))
  85         fprintf(stderr, " system error %s", strerror(memcached_last_error_errno(memc)));
  86       fprintf(stderr, "\n");
  87
  88       return_code= -1;
  89     }
  90
  91     optind++;
  92   }
  93
  94   memcached_free(memc);
  95
  96   if (opt_servers)
  97     free(opt_servers);
  98
  99   if (opt_hash)
 100     free(opt_hash);
 101
 102   shutdown_sasl();
 103
 104   return return_code;
 105 }
 106
 107
 108 static void options_parse(int argc, char *argv[])
 109 {
 110   memcached_programs_help_st help_options[]=
 111   {
 112     {0},
 113   };
 114
 115   static struct option long_options[]=
 116   {
 117     {(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
 118     {(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
 119     {(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 120     {(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
 121     {(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
 122     {(OPTIONSTRING)"expire", required_argument, NULL, OPT_EXPIRE},
 123     {(OPTIONSTRING)"hash", required_argument, NULL, OPT_HASH},
 124     {(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
 125     {(OPTIONSTRING)"username", required_argument, NULL, OPT_USERNAME},
 126     {(OPTIONSTRING)"password", required_argument, NULL, OPT_PASSWD},
 127     {0, 0, 0, 0},
 128   };
 129   int option_index= 0;
 130   int option_rv;
 131
 132   while (1)
 133   {
 134     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 135     if (option_rv == -1) break;
 136     switch (option_rv)
 137     {
 138     case 0:
 139       break;
 140     case OPT_BINARY:
 141       opt_binary = 1;
 142       break;
 143     case OPT_VERBOSE: /* --verbose or -v */
 144       opt_verbose = OPT_VERBOSE;
 145       break;
 146     case OPT_DEBUG: /* --debug or -d */
 147       opt_verbose = OPT_DEBUG;
 148       break;
 149     case OPT_VERSION: /* --version or -V */
 150       version_command(PROGRAM_NAME);
 151       break;
 152     case OPT_HELP: /* --help or -h */
 153       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 154       break;
 155     case OPT_SERVERS: /* --servers or -s */
 156       opt_servers= strdup(optarg);
 157       break;
 158     case OPT_EXPIRE: /* --expire */
 159       opt_expire= (time_t)strtoll(optarg, (char **)NULL, 10);
 160       break;
 161     case OPT_HASH:
 162       opt_hash= strdup(optarg);
 163       break;
 164     case OPT_USERNAME:
 165       opt_username= optarg;
 166       break;
 167     case OPT_PASSWD:
 168       opt_passwd= optarg;
 169       break;
 170     case '?':
 171       /* getopt_long already printed an error message. */
 172       exit(1);
 173     default:
 174       abort();
 175     }
 176   }
 177 }