git.m6w6.name Git - awesomized/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, opt_binary);
  48
  49   rc = memcached_flush(memc, opt_expire);
  50   if (rc != MEMCACHED_SUCCESS)
  51   {
  52     fprintf(stderr, "memflush: memcache error %s",
  53             memcached_strerror(memc, rc));
  54     if (memc->cached_errno)
  55       fprintf(stderr, " system error %s", strerror(memc->cached_errno));
  56     fprintf(stderr, "\n");
  57   }
  58
  59   memcached_free(memc);
  60
  61   free(opt_servers);
  62
  63   return 0;
  64 }
  65
  66
  67 void options_parse(int argc, char *argv[])
  68 {
  69   memcached_programs_help_st help_options[]=
  70   {
  71     {0},
  72   };
  73
  74   static struct option long_options[]=
  75   {
  76     {"version", no_argument, NULL, OPT_VERSION},
  77     {"help", no_argument, NULL, OPT_HELP},
  78     {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
  79     {"debug", no_argument, &opt_verbose, OPT_DEBUG},
  80     {"servers", required_argument, NULL, OPT_SERVERS},
  81     {"expire", required_argument, NULL, OPT_EXPIRE},
  82     {"binary", no_argument, NULL, OPT_BINARY},
  83     {0, 0, 0, 0},
  84   };
  85   int option_index= 0;
  86   int option_rv;
  87
  88   while (1)
  89   {
  90     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
  91     if (option_rv == -1) break;
  92     switch (option_rv)
  93     {
  94     case 0:
  95       break;
  96     case OPT_BINARY:
  97       opt_binary = 1;
  98       break;
  99     case OPT_VERBOSE: /* --verbose or -v */
 100       opt_verbose = OPT_VERBOSE;
 101       break;
 102     case OPT_DEBUG: /* --debug or -d */
 103       opt_verbose = OPT_DEBUG;
 104       break;
 105     case OPT_VERSION: /* --version or -V */
 106       version_command(PROGRAM_NAME);
 107       break;
 108     case OPT_HELP: /* --help or -h */
 109       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 110       break;
 111     case OPT_SERVERS: /* --servers or -s */
 112       opt_servers= strdup(optarg);
 113       break;
 114     case OPT_EXPIRE: /* --expire */
 115       opt_expire= (time_t)strtoll(optarg, (char **)NULL, 10);
 116       break;
 117     case '?':
 118       /* getopt_long already printed an error message. */
 119       exit(1);
 120     default:
 121       abort();
 122     }
 123   }
 124 }