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

   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
  12 #include "libmemcached/common.h"
  13 #include <stdio.h>
  14 #include <unistd.h>
  15 #include <string.h>
  16 #include <getopt.h>
  17 #include <libmemcached/memcached.h>
  18 #include "client_options.h"
  19 #include "utilities.h"
  20
  21 static int opt_binary= 0;
  22 static int opt_verbose= 0;
  23 static time_t opt_expire= 0;
  24 static char *opt_servers= NULL;
  25
  26 #define PROGRAM_NAME "memflush"
  27 #define PROGRAM_DESCRIPTION "Erase all data in a server of memcached servers."
  28
  29 /* Prototypes */
  30 void options_parse(int argc, char *argv[]);
  31
  32 int main(int argc, char *argv[])
  33 {
  34   memcached_st *memc;
  35   memcached_return_t rc;
  36   memcached_server_st *servers;
  37
  38   options_parse(argc, argv);
  39
  40   if (!opt_servers)
  41   {
  42     char *temp;
  43
  44     if ((temp= getenv("MEMCACHED_SERVERS")))
  45       opt_servers= strdup(temp);
  46     else
  47     {
  48       fprintf(stderr, "No Servers provided\n");
  49       exit(1);
  50     }
  51   }
  52
  53   memc= memcached_create(NULL);
  54
  55   servers= memcached_servers_parse(opt_servers);
  56   memcached_server_push(memc, servers);
  57   memcached_server_list_free(servers);
  58   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
  59                          (uint64_t) opt_binary);
  60
  61   rc = memcached_flush(memc, opt_expire);
  62   if (rc != MEMCACHED_SUCCESS)
  63   {
  64     fprintf(stderr, "memflush: memcache error %s",
  65             memcached_strerror(memc, rc));
  66     if (memc->cached_errno)
  67       fprintf(stderr, " system error %s", strerror(memc->cached_errno));
  68     fprintf(stderr, "\n");
  69   }
  70
  71   memcached_free(memc);
  72
  73   free(opt_servers);
  74
  75   return 0;
  76 }
  77
  78
  79 void options_parse(int argc, char *argv[])
  80 {
  81   memcached_programs_help_st help_options[]=
  82   {
  83     {0},
  84   };
  85
  86   static struct option long_options[]=
  87   {
  88     {(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
  89     {(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
  90     {(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
  91     {(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
  92     {(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
  93     {(OPTIONSTRING)"expire", required_argument, NULL, OPT_EXPIRE},
  94     {(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
  95     {0, 0, 0, 0},
  96   };
  97   int option_index= 0;
  98   int option_rv;
  99
 100   while (1)
 101   {
 102     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 103     if (option_rv == -1) break;
 104     switch (option_rv)
 105     {
 106     case 0:
 107       break;
 108     case OPT_BINARY:
 109       opt_binary = 1;
 110       break;
 111     case OPT_VERBOSE: /* --verbose or -v */
 112       opt_verbose = OPT_VERBOSE;
 113       break;
 114     case OPT_DEBUG: /* --debug or -d */
 115       opt_verbose = OPT_DEBUG;
 116       break;
 117     case OPT_VERSION: /* --version or -V */
 118       version_command(PROGRAM_NAME);
 119       break;
 120     case OPT_HELP: /* --help or -h */
 121       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 122       break;
 123     case OPT_SERVERS: /* --servers or -s */
 124       opt_servers= strdup(optarg);
 125       break;
 126     case OPT_EXPIRE: /* --expire */
 127       opt_expire= (time_t)strtoll(optarg, (char **)NULL, 10);
 128       break;
 129     case '?':
 130       /* getopt_long already printed an error message. */
 131       exit(1);
 132     default:
 133       abort();
 134     }
 135   }
 136 }