git.m6w6.name Git - awesomized/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 <cerrno>
  16 #include <cstdio>
  17 #include <cstring>
  18 #include <getopt.h>
  19 #include <iostream>
  20 #include <unistd.h>
  21
  22 #include <libmemcached-1.0/memcached.h>
  23
  24 #include "utilities.h"
  25
  26 #define PROGRAM_NAME "memtouch"
  27 #define PROGRAM_DESCRIPTION "Update the expiration value of an alreasy existing value in the sever"
  28
  29
  30 /* Prototypes */
  31 void options_parse(int argc, char *argv[]);
  32
  33 static int opt_binary= 0;
  34 static int opt_verbose= 0;
  35 static char *opt_servers= NULL;
  36 static char *opt_hash= NULL;
  37 static char *opt_username;
  38 static char *opt_passwd;
  39
  40 time_t expiration= 0;
  41
  42 int main(int argc, char *argv[])
  43 {
  44   int return_code= EXIT_SUCCESS;
  45
  46   options_parse(argc, argv);
  47   initialize_sockets();
  48
  49   if (opt_servers == NULL)
  50   {
  51     char *temp;
  52
  53     if ((temp= getenv("MEMCACHED_SERVERS")))
  54     {
  55       opt_servers= strdup(temp);
  56     }
  57     else
  58     {
  59       std::cerr << "No Servers provided" << std::endl;
  60       return EXIT_FAILURE;
  61     }
  62   }
  63
  64   memcached_st *memc= memcached_create(NULL);
  65   process_hash_option(memc, opt_hash);
  66
  67   memcached_server_st *servers= memcached_servers_parse(opt_servers);
  68
  69   memcached_server_push(memc, servers);
  70   memcached_server_list_free(servers);
  71   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
  72                          (uint64_t)opt_binary);
  73
  74   if (opt_username and LIBMEMCACHED_WITH_SASL_SUPPORT == 0)
  75   {
  76     memcached_free(memc);
  77     std::cerr << "--username was supplied, but binary was not built with SASL support." << std::endl;
  78     return EXIT_FAILURE;
  79   }
  80
  81   if (opt_username)
  82   {
  83     memcached_return_t ret;
  84     if (memcached_failed(ret= memcached_set_sasl_auth_data(memc, opt_username, opt_passwd)))
  85     {
  86       std::cerr << memcached_last_error_message(memc) << std::endl;
  87       memcached_free(memc);
  88       return EXIT_FAILURE;
  89     }
  90   }
  91
  92   while (optind < argc)
  93   {
  94     memcached_return_t rc= memcached_touch(memc, argv[optind], strlen(argv[optind]), expiration);
  95     if (rc == MEMCACHED_NOTFOUND)
  96     {
  97       if (opt_verbose)
  98       {
  99         std::cout << "Could not find key \"" << argv[optind] << "\"" << std::endl;
 100       }
 101
 102       return_code= EXIT_FAILURE;
 103     }
 104     else if (memcached_failed(rc))
 105     {
 106       if (opt_verbose)
 107       {
 108         std::cerr << "Fatal error for key \"" << argv[optind] << "\" :" <<  memcached_last_error_message(memc) << std::endl;
 109       }
 110
 111       return_code= EXIT_FAILURE;
 112     }
 113     else // success
 114     {
 115       if (opt_verbose)
 116       {
 117         std::cout << "Found key " << argv[optind] << std::endl;
 118       }
 119     }
 120
 121     optind++;
 122   }
 123
 124   memcached_free(memc);
 125
 126   if (opt_servers)
 127   {
 128     free(opt_servers);
 129   }
 130
 131   if (opt_hash)
 132   {
 133     free(opt_hash);
 134   }
 135
 136   return return_code;
 137 }
 138
 139
 140 void options_parse(int argc, char *argv[])
 141 {
 142   memcached_programs_help_st help_options[]=
 143   {
 144     {0},
 145   };
 146
 147   static struct option long_options[]=
 148     {
 149       {(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
 150       {(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
 151       {(OPTIONSTRING)"quiet", no_argument, NULL, OPT_QUIET},
 152       {(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 153       {(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
 154       {(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
 155       {(OPTIONSTRING)"hash", required_argument, NULL, OPT_HASH},
 156       {(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
 157       {(OPTIONSTRING)"username", required_argument, NULL, OPT_USERNAME},
 158       {(OPTIONSTRING)"password", required_argument, NULL, OPT_PASSWD},
 159       {(OPTIONSTRING)"expire", required_argument, NULL, OPT_EXPIRE},
 160       {0, 0, 0, 0},
 161     };
 162
 163   bool opt_version= false;
 164   bool opt_help= false;
 165   int option_index= 0;
 166
 167   while (1)
 168   {
 169     int option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 170     if (option_rv == -1)
 171     {
 172       break;
 173     }
 174
 175     switch (option_rv)
 176     {
 177     case 0:
 178       break;
 179
 180     case OPT_BINARY:
 181       opt_binary = true;
 182       break;
 183
 184     case OPT_VERBOSE: /* --verbose or -v */
 185       opt_verbose = OPT_VERBOSE;
 186       break;
 187
 188     case OPT_DEBUG: /* --debug or -d */
 189       opt_verbose = OPT_DEBUG;
 190       break;
 191
 192     case OPT_VERSION: /* --version or -V */
 193       opt_version= true;
 194       break;
 195
 196     case OPT_HELP: /* --help or -h */
 197       opt_help= true;
 198       break;
 199
 200     case OPT_SERVERS: /* --servers or -s */
 201       opt_servers= strdup(optarg);
 202       break;
 203
 204     case OPT_HASH:
 205       opt_hash= strdup(optarg);
 206       break;
 207
 208     case OPT_USERNAME:
 209       opt_username= optarg;
 210       break;
 211
 212     case OPT_PASSWD:
 213       opt_passwd= optarg;
 214       break;
 215
 216     case OPT_EXPIRE:
 217       errno= 0;
 218       expiration= time_t(strtoul(optarg, (char **)NULL, 10));
 219       if (errno != 0)
 220       {
 221         fprintf(stderr, "Invalid value for --expire: %s\n", optarg);
 222         exit(EXIT_FAILURE);
 223       }
 224       break;
 225
 226     case OPT_QUIET:
 227       close_stdio();
 228       break;
 229
 230     case '?':
 231       /* getopt_long already printed an error message. */
 232       exit(EXIT_FAILURE);
 233
 234     default:
 235       abort();
 236     }
 237   }
 238
 239   if (opt_version)
 240   {
 241     version_command(PROGRAM_NAME);
 242     exit(EXIT_SUCCESS);
 243   }
 244
 245   if (opt_help)
 246   {
 247     help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 248     exit(EXIT_SUCCESS);
 249   }
 250 }