git.m6w6.name Git - m6w6/libmemcached/blob - clients/memtouch.cc

   1 /* LibMemcached
   2  * Copyright (C) 2011-2012 Data Differential, http://datadifferential.com/
   3  * Copyright (C) 2006-2009 Brian Aker
   4  * All rights reserved.
   5  *
   6  * Use and distribution licensed under the BSD license.  See
   7  * the COPYING file in the parent directory for full text.
   8  *
   9  * Summary:
  10  *
  11  */
  12
  13 #include <mem_config.h>
  14
  15 #include <cstdio>
  16 #include <cstring>
  17 #include <getopt.h>
  18 #include <iostream>
  19 #include <unistd.h>
  20 #include <libmemcached-1.0/memcached.h>
  21
  22 #include "utilities.h"
  23
  24 #define PROGRAM_NAME "memtouch"
  25 #define PROGRAM_DESCRIPTION "Update the expiration value of an alreasy existing value in the sever"
  26
  27
  28 /* Prototypes */
  29 void options_parse(int argc, char *argv[]);
  30
  31 static int opt_binary= 0;
  32 static int opt_verbose= 0;
  33 static char *opt_servers= NULL;
  34 static char *opt_hash= NULL;
  35 static char *opt_username;
  36 static char *opt_passwd;
  37
  38 time_t expiration= 0;
  39
  40 int main(int argc, char *argv[])
  41 {
  42   int return_code= EXIT_SUCCESS;
  43
  44   options_parse(argc, argv);
  45   initialize_sockets();
  46
  47   if (opt_servers == NULL)
  48   {
  49     char *temp;
  50
  51     if ((temp= getenv("MEMCACHED_SERVERS")))
  52     {
  53       opt_servers= strdup(temp);
  54     }
  55     else
  56     {
  57       std::cerr << "No Servers provided" << std::endl;
  58       return EXIT_FAILURE;
  59     }
  60   }
  61
  62   memcached_st *memc= memcached_create(NULL);
  63   process_hash_option(memc, opt_hash);
  64
  65   memcached_server_st *servers= memcached_servers_parse(opt_servers);
  66
  67   memcached_server_push(memc, servers);
  68   memcached_server_list_free(servers);
  69   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
  70                          (uint64_t)opt_binary);
  71
  72   if (opt_username and LIBMEMCACHED_WITH_SASL_SUPPORT == 0)
  73   {
  74     memcached_free(memc);
  75     std::cerr << "--username was supplied, but binary was not built with SASL support." << std::endl;
  76     return EXIT_FAILURE;
  77   }
  78
  79   if (opt_username)
  80   {
  81     memcached_return_t ret;
  82     if (memcached_failed(ret= memcached_set_sasl_auth_data(memc, opt_username, opt_passwd)))
  83     {
  84       std::cerr << memcached_last_error_message(memc) << std::endl;
  85       memcached_free(memc);
  86       return EXIT_FAILURE;
  87     }
  88   }
  89
  90   while (optind < argc)
  91   {
  92     memcached_return_t rc= memcached_touch(memc, argv[optind], strlen(argv[optind]), expiration);
  93     if (rc == MEMCACHED_NOTFOUND)
  94     {
  95       if (opt_verbose)
  96       {
  97         std::cout << "Could not find key \"" << argv[optind] << "\"" << std::endl;
  98       }
  99
 100       return_code= EXIT_FAILURE;
 101     }
 102     else if (memcached_failed(rc))
 103     {
 104       if (opt_verbose)
 105       {
 106         std::cerr << "Fatal error for key \"" << argv[optind] << "\" :" <<  memcached_last_error_message(memc) << std::endl;
 107       }
 108
 109       return_code= EXIT_FAILURE;
 110     }
 111     else // success
 112     {
 113       if (opt_verbose)
 114       {
 115         std::cout << "Found key " << argv[optind] << std::endl;
 116       }
 117     }
 118
 119     optind++;
 120   }
 121
 122   memcached_free(memc);
 123
 124   if (opt_servers)
 125   {
 126     free(opt_servers);
 127   }
 128
 129   if (opt_hash)
 130   {
 131     free(opt_hash);
 132   }
 133
 134   return return_code;
 135 }
 136
 137
 138 void options_parse(int argc, char *argv[])
 139 {
 140   memcached_programs_help_st help_options[]=
 141   {
 142     {0},
 143   };
 144
 145   static struct option long_options[]=
 146     {
 147       {(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
 148       {(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
 149       {(OPTIONSTRING)"quiet", no_argument, NULL, OPT_QUIET},
 150       {(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 151       {(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
 152       {(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
 153       {(OPTIONSTRING)"hash", required_argument, NULL, OPT_HASH},
 154       {(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
 155       {(OPTIONSTRING)"username", required_argument, NULL, OPT_USERNAME},
 156       {(OPTIONSTRING)"password", required_argument, NULL, OPT_PASSWD},
 157       {(OPTIONSTRING)"expire", required_argument, NULL, OPT_EXPIRE},
 158       {0, 0, 0, 0},
 159     };
 160
 161   bool opt_version= false;
 162   bool opt_help= false;
 163   int option_index= 0;
 164
 165   while (1)
 166   {
 167     int option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 168     if (option_rv == -1)
 169     {
 170       break;
 171     }
 172
 173     switch (option_rv)
 174     {
 175     case 0:
 176       break;
 177
 178     case OPT_BINARY:
 179       opt_binary = true;
 180       break;
 181
 182     case OPT_VERBOSE: /* --verbose or -v */
 183       opt_verbose = OPT_VERBOSE;
 184       break;
 185
 186     case OPT_DEBUG: /* --debug or -d */
 187       opt_verbose = OPT_DEBUG;
 188       break;
 189
 190     case OPT_VERSION: /* --version or -V */
 191       opt_version= true;
 192       break;
 193
 194     case OPT_HELP: /* --help or -h */
 195       opt_help= true;
 196       break;
 197
 198     case OPT_SERVERS: /* --servers or -s */
 199       opt_servers= strdup(optarg);
 200       break;
 201
 202     case OPT_HASH:
 203       opt_hash= strdup(optarg);
 204       break;
 205
 206     case OPT_USERNAME:
 207       opt_username= optarg;
 208       break;
 209
 210     case OPT_PASSWD:
 211       opt_passwd= optarg;
 212       break;
 213
 214     case OPT_EXPIRE:
 215       expiration= time_t(strtoul(optarg, (char **)NULL, 10));
 216       break;
 217
 218     case OPT_QUIET:
 219       close_stdio();
 220       break;
 221
 222     case '?':
 223       /* getopt_long already printed an error message. */
 224       exit(EXIT_FAILURE);
 225
 226     default:
 227       abort();
 228     }
 229   }
 230
 231   if (opt_version)
 232   {
 233     version_command(PROGRAM_NAME);
 234     exit(EXIT_SUCCESS);
 235   }
 236
 237   if (opt_help)
 238   {
 239     help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 240     exit(EXIT_SUCCESS);
 241   }
 242 }