git.m6w6.name Git - m6w6/libmemcached/blob - clients/memtouch.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
  12 #include <config.h>
  13
  14 #include <cstdio>
  15 #include <cstring>
  16 #include <getopt.h>
  17 #include <iostream>
  18 #include <unistd.h>
  19 #include <libmemcached/memcached.h>
  20
  21 #include "utilities.h"
  22
  23 #define PROGRAM_NAME "memtouch"
  24 #define PROGRAM_DESCRIPTION "Update the expiration value of an alreasy existing value in the sever"
  25
  26
  27 /* Prototypes */
  28 void options_parse(int argc, char *argv[]);
  29
  30 static int opt_binary= 0;
  31 static int opt_verbose= 0;
  32 static char *opt_servers= NULL;
  33 static char *opt_hash= NULL;
  34 static char *opt_username;
  35 static char *opt_passwd;
  36
  37 time_t expiration= 0;
  38
  39 int main(int argc, char *argv[])
  40 {
  41   int return_code= EXIT_SUCCESS;
  42
  43   options_parse(argc, argv);
  44   initialize_sockets();
  45
  46   if (opt_servers == NULL)
  47   {
  48     char *temp;
  49
  50     if ((temp= getenv("MEMCACHED_SERVERS")))
  51     {
  52       opt_servers= strdup(temp);
  53     }
  54     else
  55     {
  56       std::cerr << "No Servers provided" << std::endl;
  57       return EXIT_FAILURE;
  58     }
  59   }
  60
  61   memcached_st *memc= memcached_create(NULL);
  62   process_hash_option(memc, opt_hash);
  63
  64   memcached_server_st *servers= memcached_servers_parse(opt_servers);
  65
  66   memcached_server_push(memc, servers);
  67   memcached_server_list_free(servers);
  68   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
  69                          (uint64_t)opt_binary);
  70
  71   if (opt_username and LIBMEMCACHED_WITH_SASL_SUPPORT == 0)
  72   {
  73     memcached_free(memc);
  74     std::cerr << "--username was supplied, but binary was not built with SASL support." << std::endl;
  75     return EXIT_FAILURE;
  76   }
  77
  78   if (opt_username)
  79   {
  80     memcached_return_t ret;
  81     if (memcached_failed(ret= memcached_set_sasl_auth_data(memc, opt_username, opt_passwd)))
  82     {
  83       std::cerr << memcached_last_error_message(memc) << std::endl;
  84       memcached_free(memc);
  85       return EXIT_FAILURE;
  86     }
  87   }
  88
  89   while (optind < argc)
  90   {
  91     memcached_return_t rc= memcached_touch(memc, argv[optind], strlen(argv[optind]), expiration);
  92     if (rc == MEMCACHED_NOTFOUND)
  93     {
  94       if (opt_verbose)
  95       {
  96         std::cout << "Could not find key \"" << argv[optind] << "\"" << std::endl;
  97       }
  98
  99       return_code= EXIT_FAILURE;
 100     }
 101     else if (memcached_failed(rc))
 102     {
 103       if (opt_verbose)
 104       {
 105         std::cerr << "Fatal error for key \"" << argv[optind] << "\" :" <<  memcached_last_error_message(memc) << std::endl;
 106       }
 107
 108       return_code= EXIT_FAILURE;
 109     }
 110     else // success
 111     {
 112       if (opt_verbose)
 113       {
 114         std::cout << "Found key " << argv[optind] << std::endl;
 115       }
 116     }
 117
 118     optind++;
 119   }
 120
 121   memcached_free(memc);
 122
 123   if (opt_servers)
 124   {
 125     free(opt_servers);
 126   }
 127
 128   if (opt_hash)
 129   {
 130     free(opt_hash);
 131   }
 132
 133   return return_code;
 134 }
 135
 136
 137 void options_parse(int argc, char *argv[])
 138 {
 139   memcached_programs_help_st help_options[]=
 140   {
 141     {0},
 142   };
 143
 144   static struct option long_options[]=
 145     {
 146       {(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
 147       {(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
 148       {(OPTIONSTRING)"quiet", no_argument, NULL, OPT_QUIET},
 149       {(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 150       {(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
 151       {(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
 152       {(OPTIONSTRING)"hash", required_argument, NULL, OPT_HASH},
 153       {(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
 154       {(OPTIONSTRING)"username", required_argument, NULL, OPT_USERNAME},
 155       {(OPTIONSTRING)"password", required_argument, NULL, OPT_PASSWD},
 156       {(OPTIONSTRING)"expire", required_argument, NULL, OPT_EXPIRE},
 157       {0, 0, 0, 0},
 158     };
 159
 160   bool opt_version= false;
 161   bool opt_help= false;
 162   int option_index= 0;
 163
 164   while (1)
 165   {
 166     int option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 167     if (option_rv == -1)
 168     {
 169       break;
 170     }
 171
 172     switch (option_rv)
 173     {
 174     case 0:
 175       break;
 176
 177     case OPT_BINARY:
 178       opt_binary = true;
 179       break;
 180
 181     case OPT_VERBOSE: /* --verbose or -v */
 182       opt_verbose = OPT_VERBOSE;
 183       break;
 184
 185     case OPT_DEBUG: /* --debug or -d */
 186       opt_verbose = OPT_DEBUG;
 187       break;
 188
 189     case OPT_VERSION: /* --version or -V */
 190       opt_version= true;
 191       break;
 192
 193     case OPT_HELP: /* --help or -h */
 194       opt_help= true;
 195       break;
 196
 197     case OPT_SERVERS: /* --servers or -s */
 198       opt_servers= strdup(optarg);
 199       break;
 200
 201     case OPT_HASH:
 202       opt_hash= strdup(optarg);
 203       break;
 204
 205     case OPT_USERNAME:
 206       opt_username= optarg;
 207       break;
 208
 209     case OPT_PASSWD:
 210       opt_passwd= optarg;
 211       break;
 212
 213     case OPT_EXPIRE:
 214       expiration= time_t(strtoul(optarg, (char **)NULL, 10));
 215       break;
 216
 217     case OPT_QUIET:
 218       close_stdio();
 219       break;
 220
 221     case '?':
 222       /* getopt_long already printed an error message. */
 223       exit(EXIT_FAILURE);
 224
 225     default:
 226       abort();
 227     }
 228   }
 229
 230   if (opt_version)
 231   {
 232     version_command(PROGRAM_NAME);
 233     exit(EXIT_SUCCESS);
 234   }
 235
 236   if (opt_help)
 237   {
 238     help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 239     exit(EXIT_SUCCESS);
 240   }
 241 }