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 <fcntl.h>
   8 #include <errno.h>
   9 #include <strings.h>
  10
  11 #include <memcached.h>
  12 #include "client_options.h"
  13 #include "utilities.h"
  14
  15 #define PROGRAM_NAME "memcp"
  16 #define PROGRAM_DESCRIPTION "Copy a set of files to a memcached cluster."
  17
  18 /* Prototypes */
  19 void options_parse(int argc, char *argv[]);
  20
  21 static int opt_verbose= 0;
  22 static char *opt_servers= NULL;
  23 static int opt_method= OPT_SET;
  24 static uint16_t opt_flags= 0;
  25 static time_t opt_expires= 0;
  26
  27 int main(int argc, char *argv[])
  28 {
  29   memcached_st *memc;
  30   memcached_return rc;
  31   memcached_server_st *servers;
  32
  33   options_parse(argc, argv);
  34
  35   memc= memcached_create(NULL);
  36
  37   if (!opt_servers)
  38     return 0;
  39
  40   if (opt_servers)
  41     servers= parse_opt_servers(opt_servers);
  42   else
  43     servers= parse_opt_servers(argv[--argc]);
  44
  45   memcached_server_push(memc, servers);
  46   memcached_server_list_free(servers);
  47
  48   while (optind < argc)
  49   {
  50     struct stat sbuf;
  51     int fd;
  52     char *ptr;
  53     ssize_t read_length;
  54     char *file_buffer_ptr;
  55
  56     fd= open(argv[optind], O_RDONLY);
  57     if (fd < 0)
  58     {
  59       fprintf(stderr, "memcp: %s: %s\n", argv[optind], strerror(errno));
  60       optind++;
  61       continue;
  62     }
  63
  64     (void)fstat(fd, &sbuf);
  65
  66     ptr= rindex(argv[optind], '/');
  67     if (ptr)
  68       ptr++;
  69     else
  70       ptr= argv[optind];
  71
  72     if (opt_verbose)
  73     {
  74       static char *opstr[] = { "set", "add", "replace" };
  75       printf("op: %s\nsource file: %s\nlength: %zu\n"
  76              "key: %s\nflags: %x\nexpires: %llu\n",
  77              opstr[opt_method - OPT_SET], argv[optind], (size_t)sbuf.st_size,
  78              ptr, opt_flags, (unsigned long long)opt_expires);
  79     }
  80
  81     if ((file_buffer_ptr= (char *)malloc(sizeof(char) * sbuf.st_size)) == NULL)
  82     {
  83       fprintf(stderr, "malloc: %s\n", strerror(errno));
  84       exit(1);
  85     }
  86
  87     if ((read_length= read(fd, file_buffer_ptr, sbuf.st_size)) == -1)
  88     {
  89       fprintf(stderr, "read: %s\n", strerror(errno));
  90       exit(1);
  91     }
  92     assert(read_length == sbuf.st_size);
  93
  94     if (opt_method == OPT_ADD)
  95       rc= memcached_add(memc, ptr, strlen(ptr),
  96                         file_buffer_ptr, sbuf.st_size,
  97                         opt_expires, opt_flags);
  98     else if (opt_method == OPT_REPLACE)
  99       rc= memcached_replace(memc, ptr, strlen(ptr),
 100                             file_buffer_ptr, sbuf.st_size,
 101                             opt_expires, opt_flags);
 102     else
 103       rc= memcached_set(memc, ptr, strlen(ptr),
 104                         file_buffer_ptr, sbuf.st_size,
 105                         opt_expires, opt_flags);
 106
 107     if (rc != MEMCACHED_SUCCESS)
 108       fprintf(stderr, "memcp: %s: memcache error %s\n",
 109               ptr, memcached_strerror(memc, rc));
 110
 111     free(file_buffer_ptr);
 112     close(fd);
 113     optind++;
 114   }
 115
 116   memcached_free(memc);
 117
 118   free(opt_servers);
 119
 120   return 0;
 121 }
 122
 123 void options_parse(int argc, char *argv[])
 124 {
 125   int option_index= 0;
 126   int option_rv;
 127
 128   memcached_programs_help_st help_options[]=
 129   {
 130     {0},
 131   };
 132
 133   static struct option long_options[]=
 134     {
 135       {"version", no_argument, NULL, OPT_VERSION},
 136       {"help", no_argument, NULL, OPT_HELP},
 137       {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 138       {"debug", no_argument, &opt_verbose, OPT_DEBUG},
 139       {"servers", required_argument, NULL, OPT_SERVERS},
 140       {"flag", required_argument, NULL, OPT_FLAG},
 141       {"expire", required_argument, NULL, OPT_EXPIRE},
 142       {"set",  no_argument, NULL, OPT_SET},
 143       {"add",  no_argument, NULL, OPT_ADD},
 144       {"replace",  no_argument, NULL, OPT_REPLACE},
 145       {0, 0, 0, 0},
 146     };
 147
 148   while (1)
 149   {
 150     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 151
 152     if (option_rv == -1) break;
 153
 154     switch (option_rv)
 155     {
 156     case 0:
 157       break;
 158     case OPT_VERBOSE: /* --verbose or -v */
 159       opt_verbose = OPT_VERBOSE;
 160       break;
 161     case OPT_DEBUG: /* --debug or -d */
 162       opt_verbose = OPT_DEBUG;
 163       break;
 164     case OPT_VERSION: /* --version or -V */
 165       version_command(PROGRAM_NAME);
 166       break;
 167     case OPT_HELP: /* --help or -h */
 168       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 169       break;
 170     case OPT_SERVERS: /* --servers or -s */
 171       opt_servers= strdup(optarg);
 172       break;
 173     case OPT_FLAG: /* --flag */
 174       opt_flags= (uint16_t)strtol(optarg, (char **)NULL, 16);
 175       break;
 176     case OPT_EXPIRE: /* --expire */
 177       opt_expires= (time_t)strtoll(optarg, (char **)NULL, 10);
 178       break;
 179     case OPT_SET:
 180       opt_method= OPT_SET;
 181       break;
 182     case OPT_REPLACE:
 183       opt_method= OPT_REPLACE;
 184       break;
 185     case OPT_ADD:
 186       opt_method= OPT_ADD;
 187       break;
 188     case '?':
 189       /* getopt_long already printed an error message. */
 190       exit(1);
 191     default:
 192       abort();
 193     }
 194   }
 195 }