git.m6w6.name Git - m6w6/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;
  14 static int opt_displayflag;
  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
  25   memc= memcached_init(NULL);
  26
  27   options_parse(argc, argv);
  28
  29   if (opt_servers)
  30     parse_opt_servers(memc, opt_servers);
  31
  32   while (optind <= argc)
  33   {
  34     string= memcached_get(memc, argv[optind], strlen(argv[optind]),
  35                           &string_length, &flags, &rc);
  36     if (rc == MEMCACHED_SUCCESS)
  37     {
  38       if (opt_displayflag)
  39       {
  40         if (opt_verbose)
  41           printf("key: %s\nflags: ", argv[optind]);
  42         printf("%u\n", flags);
  43       }
  44       else
  45       {
  46         if (opt_verbose)
  47           printf("key: %s\nflags: %u\nlength: %uz\nvalue: ",
  48                  argv[optind], flags, string_length);
  49         printf("%.*s\n", string_length, string);
  50         free(string);
  51       }
  52     }
  53     else
  54     {
  55       fprintf(stderr, "memcat: %s: memcache error %s\n",
  56               argv[optind], memcached_strerror(memc, rc));
  57     }
  58     optind++;
  59   }
  60
  61   memcached_deinit(memc);
  62
  63   return 0;
  64 };
  65
  66
  67 void options_parse(int argc, char *argv[])
  68 {
  69   int option_index = 0;
  70   int option_rv;
  71
  72   static struct option long_options[] =
  73     {
  74       {"version", no_argument, NULL, OPT_VERSION},
  75       {"help", no_argument, NULL, OPT_HELP},
  76       {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
  77       {"debug", no_argument, &opt_verbose, OPT_DEBUG},
  78       {"servers", required_argument, NULL, OPT_SERVERS},
  79       {"flag", no_argument, &opt_displayflag, OPT_FLAG},
  80       {0, 0, 0, 0},
  81     };
  82
  83   while (1)
  84   {
  85     option_rv = getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
  86     if (option_rv == -1) break;
  87     switch (option_rv) {
  88     case 0:
  89       break;
  90     case OPT_VERSION: /* --version or -V */
  91       printf("memcache tools, memcat, v1.0\n");
  92       exit(0);
  93       break;
  94     case OPT_HELP: /* --help or -h */
  95       printf("useful help messages go here\n");
  96       exit(0);
  97       break;
  98     case OPT_SERVERS: /* --servers or -s */
  99       opt_servers= optarg;
 100       break;
 101     case '?':
 102       /* getopt_long already printed an error message. */
 103       exit(1);
 104     default:
 105       abort();
 106     }
 107   }
 108 }