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

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