git.m6w6.name Git - m6w6/libmemcached/blob - clients/memflush.c

   1 #include "libmemcached/common.h"
   2 #include <stdio.h>
   3 #include <unistd.h>
   4 #include <string.h>
   5 #include <getopt.h>
   6 #include <libmemcached/memcached.h>
   7 #include "client_options.h"
   8 #include "utilities.h"
   9
  10 static int opt_binary= 0;
  11 static int opt_verbose= 0;
  12 static time_t opt_expire= 0;
  13 static char *opt_servers= NULL;
  14
  15 #define PROGRAM_NAME "memflush"
  16 #define PROGRAM_DESCRIPTION "Erase all data in a server of memcached servers."
  17
  18 /* Prototypes */
  19 void options_parse(int argc, char *argv[]);
  20
  21 int main(int argc, char *argv[])
  22 {
  23   memcached_st *memc;
  24   memcached_return rc;
  25   memcached_server_st *servers;
  26
  27   options_parse(argc, argv);
  28
  29   if (!opt_servers)
  30   {
  31     char *temp;
  32
  33     if ((temp= getenv("MEMCACHED_SERVERS")))
  34       opt_servers= strdup(temp);
  35     else
  36     {
  37       fprintf(stderr, "No Servers provided\n");
  38       exit(1);
  39     }
  40   }
  41
  42   memc= memcached_create(NULL);
  43
  44   servers= memcached_servers_parse(opt_servers);
  45   memcached_server_push(memc, servers);
  46   memcached_server_list_free(servers);
  47   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
  48                          (uint64_t) opt_binary);
  49
  50   rc = memcached_flush(memc, opt_expire);
  51   if (rc != MEMCACHED_SUCCESS)
  52   {
  53     fprintf(stderr, "memflush: memcache error %s",
  54             memcached_strerror(memc, rc));
  55     if (memc->cached_errno)
  56       fprintf(stderr, " system error %s", strerror(memc->cached_errno));
  57     fprintf(stderr, "\n");
  58   }
  59
  60   memcached_free(memc);
  61
  62   free(opt_servers);
  63
  64   return 0;
  65 }
  66
  67
  68 void options_parse(int argc, char *argv[])
  69 {
  70   memcached_programs_help_st help_options[]=
  71   {
  72     {0},
  73   };
  74
  75   static struct option long_options[]=
  76   {
  77     {(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
  78     {(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
  79     {(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
  80     {(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
  81     {(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
  82     {(OPTIONSTRING)"expire", required_argument, NULL, OPT_EXPIRE},
  83     {(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
  84     {0, 0, 0, 0},
  85   };
  86   int option_index= 0;
  87   int option_rv;
  88
  89   while (1)
  90   {
  91     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
  92     if (option_rv == -1) break;
  93     switch (option_rv)
  94     {
  95     case 0:
  96       break;
  97     case OPT_BINARY:
  98       opt_binary = 1;
  99       break;
 100     case OPT_VERBOSE: /* --verbose or -v */
 101       opt_verbose = OPT_VERBOSE;
 102       break;
 103     case OPT_DEBUG: /* --debug or -d */
 104       opt_verbose = OPT_DEBUG;
 105       break;
 106     case OPT_VERSION: /* --version or -V */
 107       version_command(PROGRAM_NAME);
 108       break;
 109     case OPT_HELP: /* --help or -h */
 110       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 111       break;
 112     case OPT_SERVERS: /* --servers or -s */
 113       opt_servers= strdup(optarg);
 114       break;
 115     case OPT_EXPIRE: /* --expire */
 116       opt_expire= (time_t)strtoll(optarg, (char **)NULL, 10);
 117       break;
 118     case '?':
 119       /* getopt_long already printed an error message. */
 120       exit(1);
 121     default:
 122       abort();
 123     }
 124   }
 125 }