git.m6w6.name Git - awesomized/libmemcached/blob - src/memcat.c

   1 #include <stdio.h>
   2 #include <unistd.h>
   3 #include <getopt.h>
   4 #include <memcached.h>
   5
   6 #include "client_options.h"
   7 #include "utilities.h"
   8
   9
  10 /* Prototypes */
  11 void options_parse(int argc, char *argv[]);
  12
  13 static int opt_verbose= 0;
  14 static int opt_displayflag= 0;
  15 static char *opt_servers;
  16
  17 int main(int argc, char *argv[])
  18 {
  19   memcached_st *memc;
  20   char *string;
  21   size_t string_length;
  22   uint16_t flags;
  23   memcached_return rc;
  24   memcached_server_st *servers;
  25
  26   options_parse(argc, argv);
  27
  28   if (!opt_servers)
  29     return 0;
  30
  31   memc= memcached_init(NULL);
  32
  33   servers= parse_opt_servers(opt_servers);
  34   memcached_server_push(memc, servers);
  35   memcached_server_list_free(servers);
  36
  37   while (optind < argc)
  38   {
  39     string= memcached_get(memc, argv[optind], strlen(argv[optind]),
  40                           &string_length, &flags, &rc);
  41     if (rc == MEMCACHED_SUCCESS)
  42     {
  43       if (opt_displayflag)
  44       {
  45         if (opt_verbose)
  46           printf("key: %s\nflags: ", argv[optind]);
  47         printf("%x\n", flags);
  48       }
  49       else
  50       {
  51         if (opt_verbose)
  52           printf("key: %s\nflags: %x\nlength: %zu\nvalue: ",
  53                  argv[optind], flags, string_length);
  54         printf("%.*s\n", (int)string_length, string);
  55         free(string);
  56       }
  57     }
  58     else
  59     {
  60       fprintf(stderr, "memcat: %s: memcache error %s\n",
  61               argv[optind], memcached_strerror(memc, rc));
  62     }
  63     optind++;
  64   }
  65
  66   memcached_deinit(memc);
  67
  68   free(opt_servers);
  69
  70   return 0;
  71 }
  72
  73
  74 void options_parse(int argc, char *argv[])
  75 {
  76   int option_index= 0;
  77   int option_rv;
  78
  79   static struct option long_options[]=
  80     {
  81       {"version", no_argument, NULL, OPT_VERSION},
  82       {"help", no_argument, NULL, OPT_HELP},
  83       {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
  84       {"debug", no_argument, &opt_verbose, OPT_DEBUG},
  85       {"servers", required_argument, NULL, OPT_SERVERS},
  86       {"flag", no_argument, &opt_displayflag, OPT_FLAG},
  87       {0, 0, 0, 0},
  88     };
  89
  90   while (1)
  91   {
  92     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
  93     if (option_rv == -1) break;
  94     switch (option_rv)
  95     {
  96     case 0:
  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       printf("memcache tools, memcat, v1.0\n");
 106       exit(0);
 107       break;
 108     case OPT_HELP: /* --help or -h */
 109       printf("useful help messages go here\n");
 110       exit(0);
 111       break;
 112     case OPT_SERVERS: /* --servers or -s */
 113       opt_servers= strdup(optarg);
 114       break;
 115     case '?':
 116       /* getopt_long already printed an error message. */
 117       exit(1);
 118     default:
 119       abort();
 120     }
 121   }
 122 }