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 #define PROGRAM_NAME "memcat"
  10 #define PROGRAM_DESCRIPTION "Cat a set of key values to stdout."
  11
  12
  13 /* Prototypes */
  14 void options_parse(int argc, char *argv[]);
  15
  16 static int opt_verbose= 0;
  17 static int opt_displayflag= 0;
  18 static char *opt_servers;
  19
  20 int main(int argc, char *argv[])
  21 {
  22   memcached_st *memc;
  23   char *string;
  24   size_t string_length;
  25   uint16_t flags;
  26   memcached_return rc;
  27   memcached_server_st *servers;
  28
  29   options_parse(argc, argv);
  30
  31   if (!opt_servers)
  32     return 0;
  33
  34   memc= memcached_create(NULL);
  35
  36   servers= parse_opt_servers(opt_servers);
  37   memcached_server_push(memc, servers);
  38   memcached_server_list_free(servers);
  39
  40   while (optind < argc)
  41   {
  42     string= memcached_get(memc, argv[optind], strlen(argv[optind]),
  43                           &string_length, &flags, &rc);
  44     if (rc == MEMCACHED_SUCCESS)
  45     {
  46       if (opt_displayflag)
  47       {
  48         if (opt_verbose)
  49           printf("key: %s\nflags: ", argv[optind]);
  50         printf("%x\n", flags);
  51       }
  52       else
  53       {
  54         if (opt_verbose)
  55           printf("key: %s\nflags: %x\nlength: %zu\nvalue: ",
  56                  argv[optind], flags, string_length);
  57         printf("%.*s\n", (int)string_length, string);
  58         free(string);
  59       }
  60     }
  61     else
  62     {
  63       fprintf(stderr, "memcat: %s: memcache error %s\n",
  64               argv[optind], memcached_strerror(memc, rc));
  65     }
  66     optind++;
  67   }
  68
  69   memcached_free(memc);
  70
  71   free(opt_servers);
  72
  73   return 0;
  74 }
  75
  76
  77 void options_parse(int argc, char *argv[])
  78 {
  79   int option_index= 0;
  80   int option_rv;
  81
  82   memcached_programs_help_st help_options[]=
  83   {
  84     {0},
  85   };
  86
  87   static struct option long_options[]=
  88     {
  89       {"version", no_argument, NULL, OPT_VERSION},
  90       {"help", no_argument, NULL, OPT_HELP},
  91       {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
  92       {"debug", no_argument, &opt_verbose, OPT_DEBUG},
  93       {"servers", required_argument, NULL, OPT_SERVERS},
  94       {"flag", no_argument, &opt_displayflag, OPT_FLAG},
  95       {0, 0, 0, 0},
  96     };
  97
  98   while (1)
  99   {
 100     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 101     if (option_rv == -1) break;
 102     switch (option_rv)
 103     {
 104     case 0:
 105       break;
 106     case OPT_VERBOSE: /* --verbose or -v */
 107       opt_verbose = OPT_VERBOSE;
 108       break;
 109     case OPT_DEBUG: /* --debug or -d */
 110       opt_verbose = OPT_DEBUG;
 111       break;
 112     case OPT_VERSION: /* --version or -V */
 113       version_command(PROGRAM_NAME);
 114       break;
 115     case OPT_HELP: /* --help or -h */
 116       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 117       break;
 118     case OPT_SERVERS: /* --servers or -s */
 119       opt_servers= strdup(optarg);
 120       break;
 121     case '?':
 122       /* getopt_long already printed an error message. */
 123       exit(1);
 124     default:
 125       abort();
 126     }
 127   }
 128 }