git.m6w6.name Git - m6w6/libmemcached/blob - clients/memflush.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 #include "mem_config.h"
  13
  14 #include <cstdio>
  15 #include <cstring>
  16 #include <getopt.h>
  17 #include <iostream>
  18 #include <unistd.h>
  19
  20 #include <libmemcached-1.0/memcached.h>
  21 #include "client_options.h"
  22 #include "utilities.h"
  23
  24 static int opt_binary= 0;
  25 static int opt_verbose= 0;
  26 static time_t opt_expire= 0;
  27 static char *opt_servers= NULL;
  28 static char *opt_username;
  29 static char *opt_passwd;
  30
  31 #define PROGRAM_NAME "memflush"
  32 #define PROGRAM_DESCRIPTION "Erase all data in a server of memcached servers."
  33
  34 /* Prototypes */
  35 void options_parse(int argc, char *argv[]);
  36
  37 int main(int argc, char *argv[])
  38 {
  39   options_parse(argc, argv);
  40
  41   if (opt_servers == false)
  42   {
  43     char *temp;
  44
  45     if ((temp= getenv("MEMCACHED_SERVERS")))
  46     {
  47       opt_servers= strdup(temp);
  48     }
  49     else
  50     {
  51       std::cerr << "No Servers provided" << std::endl;
  52       exit(EXIT_FAILURE);
  53     }
  54   }
  55
  56   memcached_st *memc= memcached_create(NULL);
  57
  58   memcached_server_st *servers= memcached_servers_parse(opt_servers);
  59   memcached_server_push(memc, servers);
  60   memcached_server_list_free(servers);
  61   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
  62                          (uint64_t) opt_binary);
  63
  64   if (opt_username and LIBMEMCACHED_WITH_SASL_SUPPORT == 0)
  65   {
  66     memcached_free(memc);
  67     std::cerr << "--username was supplied, but binary was not built with SASL support." << std::endl;
  68     return EXIT_FAILURE;
  69   }
  70
  71   if (opt_username)
  72   {
  73     memcached_return_t ret;
  74     if (memcached_failed(ret= memcached_set_sasl_auth_data(memc, opt_username, opt_passwd)))
  75     {
  76       std::cerr << memcached_last_error_message(memc) << std::endl;
  77       memcached_free(memc);
  78       return EXIT_FAILURE;
  79     }
  80   }
  81
  82   memcached_return_t rc = memcached_flush(memc, opt_expire);
  83   if (rc != MEMCACHED_SUCCESS)
  84   {
  85     std::cerr << memcached_last_error_message(memc) << std::endl;
  86   }
  87
  88   memcached_free(memc);
  89
  90   free(opt_servers);
  91
  92   return EXIT_SUCCESS;
  93 }
  94
  95
  96 void options_parse(int argc, char *argv[])
  97 {
  98   static struct option long_options[]=
  99   {
 100     {(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
 101     {(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
 102     {(OPTIONSTRING)"quiet", no_argument, NULL, OPT_QUIET},
 103     {(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 104     {(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
 105     {(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
 106     {(OPTIONSTRING)"expire", required_argument, NULL, OPT_EXPIRE},
 107     {(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
 108     {(OPTIONSTRING)"username", required_argument, NULL, OPT_USERNAME},
 109     {(OPTIONSTRING)"password", required_argument, NULL, OPT_PASSWD},
 110     {0, 0, 0, 0},
 111   };
 112
 113   bool opt_version= false;
 114   bool opt_help= false;
 115   int option_index= 0;
 116   while (1)
 117   {
 118     int option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 119     if (option_rv == -1) break;
 120     switch (option_rv)
 121     {
 122     case 0:
 123       break;
 124
 125     case OPT_BINARY:
 126       opt_binary= true;
 127       break;
 128
 129     case OPT_VERBOSE: /* --verbose or -v */
 130       opt_verbose= OPT_VERBOSE;
 131       break;
 132
 133     case OPT_DEBUG: /* --debug or -d */
 134       opt_verbose= OPT_DEBUG;
 135       break;
 136
 137     case OPT_VERSION: /* --version or -V */
 138       opt_version= true;
 139       break;
 140
 141     case OPT_HELP: /* --help or -h */
 142       opt_help= true;
 143       break;
 144
 145     case OPT_SERVERS: /* --servers or -s */
 146       opt_servers= strdup(optarg);
 147       break;
 148
 149     case OPT_EXPIRE: /* --expire */
 150       opt_expire= (time_t)strtoll(optarg, (char **)NULL, 10);
 151       break;
 152
 153     case OPT_USERNAME:
 154       opt_username= optarg;
 155       break;
 156
 157     case OPT_PASSWD:
 158       opt_passwd= optarg;
 159       break;
 160
 161     case OPT_QUIET:
 162       close_stdio();
 163       break;
 164
 165     case '?':
 166       /* getopt_long already printed an error message. */
 167       exit(EXIT_FAILURE);
 168
 169     default:
 170       abort();
 171     }
 172   }
 173
 174   if (opt_version)
 175   {
 176     version_command(PROGRAM_NAME);
 177     exit(EXIT_SUCCESS);
 178   }
 179
 180   if (opt_help)
 181   {
 182     help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, NULL);
 183     exit(EXIT_SUCCESS);
 184   }
 185 }