git.m6w6.name Git - m6w6/libmemcached/blob - clients/memrm.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 #include "config.h"
  12
  13 #include <stdio.h>
  14 #include <unistd.h>
  15 #include <getopt.h>
  16 #include <libmemcached/memcached.h>
  17 #include <string.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 static char *opt_hash= NULL;
  26 static char *opt_username;
  27 static char *opt_passwd;
  28
  29 #define PROGRAM_NAME "memrm"
  30 #define PROGRAM_DESCRIPTION "Erase a key or set of keys from a memcached cluster."
  31
  32 /* Prototypes */
  33 static void options_parse(int argc, char *argv[]);
  34
  35 int main(int argc, char *argv[])
  36 {
  37   memcached_st *memc;
  38   memcached_return_t rc;
  39   memcached_server_st *servers;
  40
  41   int return_code= 0;
  42
  43   options_parse(argc, argv);
  44
  45   if (!opt_servers)
  46   {
  47     char *temp;
  48
  49     if ((temp= getenv("MEMCACHED_SERVERS")))
  50       opt_servers= strdup(temp);
  51     else
  52     {
  53       fprintf(stderr, "No Servers provided\n");
  54       exit(1);
  55     }
  56   }
  57
  58   memc= memcached_create(NULL);
  59   process_hash_option(memc, opt_hash);
  60
  61   servers= memcached_servers_parse(opt_servers);
  62   memcached_server_push(memc, servers);
  63   memcached_server_list_free(servers);
  64   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
  65                          (uint64_t) opt_binary);
  66
  67   if (!initialize_sasl(memc, opt_username, opt_passwd))
  68   {
  69     memcached_free(memc);
  70     return 1;
  71   }
  72
  73   while (optind < argc)
  74   {
  75     if (opt_verbose)
  76       printf("key: %s\nexpires: %llu\n", argv[optind], (unsigned long long)opt_expire);
  77     rc = memcached_delete(memc, argv[optind], strlen(argv[optind]), opt_expire);
  78
  79     if (rc != MEMCACHED_SUCCESS)
  80     {
  81       fprintf(stderr, "memrm: %s: memcache error %s",
  82               argv[optind], memcached_strerror(memc, rc));
  83       if (memc->cached_errno)
  84         fprintf(stderr, " system error %s", strerror(memc->cached_errno));
  85       fprintf(stderr, "\n");
  86
  87       return_code= -1;
  88     }
  89
  90     optind++;
  91   }
  92
  93   memcached_free(memc);
  94
  95   if (opt_servers)
  96     free(opt_servers);
  97   if (opt_hash)
  98     free(opt_hash);
  99
 100   shutdown_sasl();
 101
 102   return return_code;
 103 }
 104
 105
 106 static void options_parse(int argc, char *argv[])
 107 {
 108   memcached_programs_help_st help_options[]=
 109   {
 110     {0},
 111   };
 112
 113   static struct option long_options[]=
 114   {
 115     {(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
 116     {(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
 117     {(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 118     {(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
 119     {(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
 120     {(OPTIONSTRING)"expire", required_argument, NULL, OPT_EXPIRE},
 121     {(OPTIONSTRING)"hash", required_argument, NULL, OPT_HASH},
 122     {(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
 123     {(OPTIONSTRING)"username", required_argument, NULL, OPT_USERNAME},
 124     {(OPTIONSTRING)"password", required_argument, NULL, OPT_PASSWD},
 125     {0, 0, 0, 0},
 126   };
 127   int option_index= 0;
 128   int option_rv;
 129
 130   while (1)
 131   {
 132     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 133     if (option_rv == -1) break;
 134     switch (option_rv)
 135     {
 136     case 0:
 137       break;
 138     case OPT_BINARY:
 139       opt_binary = 1;
 140       break;
 141     case OPT_VERBOSE: /* --verbose or -v */
 142       opt_verbose = OPT_VERBOSE;
 143       break;
 144     case OPT_DEBUG: /* --debug or -d */
 145       opt_verbose = OPT_DEBUG;
 146       break;
 147     case OPT_VERSION: /* --version or -V */
 148       version_command(PROGRAM_NAME);
 149       break;
 150     case OPT_HELP: /* --help or -h */
 151       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 152       break;
 153     case OPT_SERVERS: /* --servers or -s */
 154       opt_servers= strdup(optarg);
 155       break;
 156     case OPT_EXPIRE: /* --expire */
 157       opt_expire= (time_t)strtoll(optarg, (char **)NULL, 10);
 158       break;
 159     case OPT_HASH:
 160       opt_hash= strdup(optarg);
 161       break;
 162     case OPT_USERNAME:
 163       opt_username= optarg;
 164       break;
 165     case OPT_PASSWD:
 166       opt_passwd= optarg;
 167       break;
 168     case '?':
 169       /* getopt_long already printed an error message. */
 170       exit(1);
 171     default:
 172       abort();
 173     }
 174   }
 175 }