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