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 <cstdio>
  14 #include <cstring>
  15 #include <getopt.h>
  16 #include <iostream>
  17 #include <unistd.h>
  18
  19 #include <libmemcached/memcached.h>
  20 #include "client_options.h"
  21 #include "utilities.h"
  22
  23 static int opt_binary= 0;
  24 static int opt_verbose= 0;
  25 static time_t opt_expire= 0;
  26 static char *opt_servers= NULL;
  27 static char *opt_hash= NULL;
  28 static char *opt_username;
  29 static char *opt_passwd;
  30
  31 #define PROGRAM_NAME "memrm"
  32 #define PROGRAM_DESCRIPTION "Erase a key or set of keys from a memcached cluster."
  33
  34 /* Prototypes */
  35 static void options_parse(int argc, char *argv[]);
  36
  37 int main(int argc, char *argv[])
  38 {
  39   memcached_st *memc;
  40   memcached_return_t rc;
  41   memcached_server_st *servers;
  42
  43   int return_code= 0;
  44
  45   options_parse(argc, argv);
  46   initialize_sockets();
  47
  48   if (opt_servers == 0)
  49   {
  50     char *temp;
  51
  52     if ((temp= getenv("MEMCACHED_SERVERS")))
  53       opt_servers= strdup(temp);
  54     else
  55     {
  56       std::cerr << "No Servers provided" << std::endl;
  57       return EXIT_FAILURE;
  58     }
  59   }
  60
  61   memc= memcached_create(NULL);
  62   process_hash_option(memc, opt_hash);
  63
  64   servers= memcached_servers_parse(opt_servers);
  65   memcached_server_push(memc, servers);
  66   memcached_server_list_free(servers);
  67   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
  68                          (uint64_t) opt_binary);
  69
  70   if (opt_username and LIBMEMCACHED_WITH_SASL_SUPPORT == 0)
  71   {
  72     memcached_free(memc);
  73     std::cerr << "--username was supplied, but binary was not built with SASL support." << std::endl;
  74     return EXIT_FAILURE;
  75   }
  76
  77   if (opt_username)
  78   {
  79     memcached_return_t ret;
  80     if (memcached_failed(ret= memcached_set_sasl_auth_data(memc, opt_username, opt_passwd)))
  81     {
  82       std::cerr << memcached_last_error_message(memc) << std::endl;
  83       memcached_free(memc);
  84       return EXIT_FAILURE;
  85     }
  86   }
  87
  88   while (optind < argc)
  89   {
  90     if (opt_verbose)
  91     {
  92       std::cout << "key: " << argv[optind] << std::endl;
  93       std::cout << "expires: " << opt_expire << std::endl;
  94     }
  95     rc= memcached_delete(memc, argv[optind], strlen(argv[optind]), opt_expire);
  96
  97     if (memcached_failed(rc))
  98     {
  99       std::cerr << PROGRAM_NAME << ": " << argv[optind] << ": error " << memcached_strerror(memc, rc) << std::endl;
 100
 101       if (memcached_last_error_errno(memc))
 102       {
 103         std::cerr << " system error " << strerror(memcached_last_error_errno(memc));
 104       }
 105       std::cerr << std::endl;
 106
 107       return_code= -1;
 108     }
 109
 110     optind++;
 111   }
 112
 113   memcached_free(memc);
 114
 115   if (opt_servers)
 116     free(opt_servers);
 117
 118   if (opt_hash)
 119     free(opt_hash);
 120
 121   return return_code;
 122 }
 123
 124
 125 static void options_parse(int argc, char *argv[])
 126 {
 127   memcached_programs_help_st help_options[]=
 128   {
 129     {0},
 130   };
 131
 132   static struct option long_options[]=
 133   {
 134     {(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
 135     {(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
 136     {(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 137     {(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
 138     {(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
 139     {(OPTIONSTRING)"expire", required_argument, NULL, OPT_EXPIRE},
 140     {(OPTIONSTRING)"hash", required_argument, NULL, OPT_HASH},
 141     {(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
 142     {(OPTIONSTRING)"username", required_argument, NULL, OPT_USERNAME},
 143     {(OPTIONSTRING)"password", required_argument, NULL, OPT_PASSWD},
 144     {0, 0, 0, 0},
 145   };
 146   int option_index= 0;
 147   int option_rv;
 148
 149   while (1)
 150   {
 151     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 152     if (option_rv == -1) break;
 153     switch (option_rv)
 154     {
 155     case 0:
 156       break;
 157     case OPT_BINARY:
 158       opt_binary = 1;
 159       break;
 160     case OPT_VERBOSE: /* --verbose or -v */
 161       opt_verbose = OPT_VERBOSE;
 162       break;
 163     case OPT_DEBUG: /* --debug or -d */
 164       opt_verbose = OPT_DEBUG;
 165       break;
 166     case OPT_VERSION: /* --version or -V */
 167       version_command(PROGRAM_NAME);
 168       break;
 169     case OPT_HELP: /* --help or -h */
 170       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 171       break;
 172     case OPT_SERVERS: /* --servers or -s */
 173       opt_servers= strdup(optarg);
 174       break;
 175     case OPT_EXPIRE: /* --expire */
 176       opt_expire= (time_t)strtoll(optarg, (char **)NULL, 10);
 177       break;
 178     case OPT_HASH:
 179       opt_hash= strdup(optarg);
 180       break;
 181     case OPT_USERNAME:
 182       opt_username= optarg;
 183       break;
 184     case OPT_PASSWD:
 185       opt_passwd= optarg;
 186       break;
 187     case '?':
 188       /* getopt_long already printed an error message. */
 189       exit(1);
 190     default:
 191       abort();
 192     }
 193   }
 194 }