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

   1 #include <stdio.h>
   2 #include <unistd.h>
   3 #include <getopt.h>
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6 #include <sys/types.h>
   7 #include <sys/mman.h>
   8 #include <fcntl.h>
   9 #include <errno.h>
  10
  11 #include <memcached.h>
  12 #include "client_options.h"
  13
  14 /* Prototypes */
  15 void options_parse(int argc, char *argv[]);
  16
  17 static int opt_verbose;
  18 static char *opt_servers;
  19 static int opt_replace;
  20 uint16_t opt_flags= 0;
  21 time_t opt_expires= 0;
  22
  23 int main(int argc, char *argv[])
  24 {
  25   memcached_st *memc;
  26   char *string;
  27   size_t string_length;
  28   memcached_return rc;
  29
  30   options_parse(argc, argv);
  31
  32   memc= memcached_init(NULL);
  33   parse_opt_servers(memc, opt_servers);
  34
  35   while (optind <= argc)
  36   {
  37     char *mptr;
  38     struct stat sbuf;
  39     int fd;
  40     char *ptr;
  41
  42     fd= open(argv[optind], O_RDONLY);
  43     if (fd < 0)
  44     {
  45       fprintf(stderr, "memcp: %s: %s\n", argv[optind], strerror(errno));
  46       optind++;
  47       continue;
  48     }
  49
  50     (void)fstat(fd, &sbuf);
  51     mptr= mmap(NULL, sbuf.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
  52     if (mptr == MAP_FAILED)
  53     {
  54       fprintf(stderr, "memcp: %s: %s\n", argv[optind], strerror(errno));
  55       close(fd);
  56       optind++;
  57       continue;
  58     }
  59
  60     ptr= rindex(argv[optind], '/');
  61     if (ptr)
  62       ptr++;
  63     else
  64       ptr= argv[optind];
  65
  66     if (opt_verbose)
  67     {
  68       static char *opstr[]= { "set", "add", "replace" };
  69       printf("op: %s\nsource file: %s\nlength: %zu\n"
  70              "key: %s\nflags: %x\n expires: %ld\n",
  71              opstr[opt_replace], argv[optind], sbuf.st_size,
  72              ptr, opt_flags, opt_expires);
  73     }
  74
  75     if (opt_replace == 0)
  76       rc= memcached_set(memc, ptr, strlen(ptr),
  77                         mptr, sbuf.st_size,
  78                         opt_expires, opt_flags);
  79     else if (opt_replace == 1)
  80       rc= memcached_add(memc, ptr, strlen(ptr),
  81                         mptr, sbuf.st_size,
  82                         opt_expires, opt_flags);
  83     else if (opt_replace == 2)
  84       rc= memcached_replace(memc, ptr, strlen(ptr),
  85                             mptr, sbuf.st_size,
  86                             opt_expires, opt_flags);
  87     else
  88       abort();
  89
  90     if (rc != MEMCACHED_SUCCESS)
  91     {
  92       fprintf(stderr, "memcp: %s: memcache error %s\n",
  93               ptr, memcached_strerror(memc, rc));
  94     }
  95
  96     munmap(mptr, sbuf.st_size);
  97     close(fd);
  98     optind++;
  99   }
 100
 101   memcached_deinit(memc);
 102
 103   return 0;
 104 }
 105
 106 void options_parse(int argc, char *argv[])
 107 {
 108   int option_index= 0;
 109   int option_rv;
 110
 111   static struct option long_options[]=
 112     {
 113       {"version", no_argument, NULL, OPT_VERSION},
 114       {"help", no_argument, NULL, OPT_HELP},
 115       {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 116       {"debug", no_argument, &opt_verbose, OPT_DEBUG},
 117       {"servers", required_argument, NULL, OPT_SERVERS},
 118       {"flag", required_argument, NULL, OPT_FLAG},
 119       {"expire", required_argument, NULL, OPT_EXPIRE},
 120       {"set",  no_argument, &opt_replace, OPT_SET},
 121       {"add",  no_argument, &opt_replace, OPT_ADD},
 122       {"replace",  no_argument, &opt_replace, OPT_REPLACE},
 123       {0, 0, 0, 0},
 124     };
 125
 126   while (1)
 127   {
 128     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 129
 130     if (option_rv == -1) break;
 131
 132     switch (option_rv)
 133     {
 134     case 0:
 135       break;
 136     case OPT_VERSION: /* --version or -V */
 137       printf("memcache tools, memcp, v1.0\n");
 138       exit(0);
 139     case OPT_HELP: /* --help or -h */
 140       printf("useful help messages go here\n");
 141       exit(0);
 142     case OPT_SERVERS: /* --servers or -s */
 143       opt_servers= optarg;
 144       break;
 145     case OPT_FLAG: /* --flag */
 146       opt_flags= (uint16_t)strtol(optarg, (char **)NULL, 16);
 147       break;
 148     case OPT_EXPIRE: /* --expire */
 149       opt_expires= (time_t)strtol(optarg, (char **)NULL, 10);
 150       break;
 151     case '?':
 152       /* getopt_long already printed an error message. */
 153       exit(1);
 154     default:
 155       abort();
 156     }
 157   }
 158 }