git.m6w6.name Git - awesomized/libmemcached/blob - clients/memflush.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_username;
  28 static char *opt_passwd;
  29
  30 #define PROGRAM_NAME "memflush"
  31 #define PROGRAM_DESCRIPTION "Erase all data in a server of memcached servers."
  32
  33 /* Prototypes */
  34 void options_parse(int argc, char *argv[]);
  35
  36 int main(int argc, char *argv[])
  37 {
  38   options_parse(argc, argv);
  39
  40   if (opt_servers == false)
  41   {
  42     char *temp;
  43
  44     if ((temp= getenv("MEMCACHED_SERVERS")))
  45     {
  46       opt_servers= strdup(temp);
  47     }
  48     else
  49     {
  50       std::cerr << "No Servers provided" << std::endl;
  51       exit(EXIT_FAILURE);
  52     }
  53   }
  54
  55   memcached_st *memc= memcached_create(NULL);
  56
  57   memcached_server_st *servers= memcached_servers_parse(opt_servers);
  58   memcached_server_push(memc, servers);
  59   memcached_server_list_free(servers);
  60   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
  61                          (uint64_t) opt_binary);
  62
  63   if (opt_username and LIBMEMCACHED_WITH_SASL_SUPPORT == 0)
  64   {
  65     memcached_free(memc);
  66     std::cerr << "--username was supplied, but binary was not built with SASL support." << std::endl;
  67     return EXIT_FAILURE;
  68   }
  69
  70   if (opt_username)
  71   {
  72     memcached_return_t ret;
  73     if (memcached_failed(ret= memcached_set_sasl_auth_data(memc, opt_username, opt_passwd)))
  74     {
  75       std::cerr << memcached_last_error_message(memc) << std::endl;
  76       memcached_free(memc);
  77       return EXIT_FAILURE;
  78     }
  79   }
  80
  81   memcached_return_t rc = memcached_flush(memc, opt_expire);
  82   if (rc != MEMCACHED_SUCCESS)
  83   {
  84     std::cerr << memcached_last_error_message(memc) << std::endl;
  85   }
  86
  87   memcached_free(memc);
  88
  89   free(opt_servers);
  90
  91   return EXIT_SUCCESS;
  92 }
  93
  94
  95 void options_parse(int argc, char *argv[])
  96 {
  97   static struct option long_options[]=
  98   {
  99     {(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
 100     {(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
 101     {(OPTIONSTRING)"quiet", no_argument, NULL, OPT_QUIET},
 102     {(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 103     {(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
 104     {(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
 105     {(OPTIONSTRING)"expire", required_argument, NULL, OPT_EXPIRE},
 106     {(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
 107     {(OPTIONSTRING)"username", required_argument, NULL, OPT_USERNAME},
 108     {(OPTIONSTRING)"password", required_argument, NULL, OPT_PASSWD},
 109     {0, 0, 0, 0},
 110   };
 111
 112   bool opt_version= false;
 113   bool opt_help= false;
 114   int option_index= 0;
 115   while (1)
 116   {
 117     int option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 118     if (option_rv == -1) break;
 119     switch (option_rv)
 120     {
 121     case 0:
 122       break;
 123
 124     case OPT_BINARY:
 125       opt_binary= true;
 126       break;
 127
 128     case OPT_VERBOSE: /* --verbose or -v */
 129       opt_verbose= OPT_VERBOSE;
 130       break;
 131
 132     case OPT_DEBUG: /* --debug or -d */
 133       opt_verbose= OPT_DEBUG;
 134       break;
 135
 136     case OPT_VERSION: /* --version or -V */
 137       opt_version= true;
 138       break;
 139
 140     case OPT_HELP: /* --help or -h */
 141       opt_help= true;
 142       break;
 143
 144     case OPT_SERVERS: /* --servers or -s */
 145       opt_servers= strdup(optarg);
 146       break;
 147
 148     case OPT_EXPIRE: /* --expire */
 149       opt_expire= (time_t)strtoll(optarg, (char **)NULL, 10);
 150       break;
 151
 152     case OPT_USERNAME:
 153       opt_username= optarg;
 154       break;
 155
 156     case OPT_PASSWD:
 157       opt_passwd= optarg;
 158       break;
 159
 160     case OPT_QUIET:
 161       close_stdio();
 162       break;
 163
 164     case '?':
 165       /* getopt_long already printed an error message. */
 166       exit(EXIT_FAILURE);
 167
 168     default:
 169       abort();
 170     }
 171   }
 172
 173   if (opt_version)
 174   {
 175     version_command(PROGRAM_NAME);
 176     exit(EXIT_SUCCESS);
 177   }
 178
 179   if (opt_help)
 180   {
 181     help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, NULL);
 182     exit(EXIT_SUCCESS);
 183   }
 184 }