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

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <stdint.h>
   4 #include <unistd.h>
   5 #include <getopt.h>
   6 #include <sys/types.h>
   7 #include <sys/stat.h>
   8 #include <sys/types.h>
   9 #include <fcntl.h>
  10 #include <errno.h>
  11 #include <strings.h>
  12 #include <string.h>
  13 #include <assert.h>
  14
  15 #include <libmemcached/memcached.h>
  16
  17 #include "client_options.h"
  18 #include "utilities.h"
  19
  20 #define PROGRAM_NAME "memcp"
  21 #define PROGRAM_DESCRIPTION "Copy a set of files to a memcached cluster."
  22
  23 /* Prototypes */
  24 void options_parse(int argc, char *argv[]);
  25
  26 static int opt_verbose= 0;
  27 static char *opt_servers= NULL;
  28 static char *opt_hash= NULL;
  29 static int opt_method= OPT_SET;
  30 static uint32_t opt_flags= 0;
  31 static time_t opt_expires= 0;
  32
  33 int main(int argc, char *argv[])
  34 {
  35   memcached_st *memc;
  36   memcached_return rc;
  37   memcached_server_st *servers;
  38
  39   options_parse(argc, argv);
  40
  41   memc= memcached_create(NULL);
  42   process_hash_option(memc, opt_hash);
  43
  44   if (!opt_servers)
  45   {
  46     char *temp;
  47
  48     if ((temp= getenv("MEMCACHED_SERVERS")))
  49       opt_servers= strdup(temp);
  50     else
  51     {
  52       fprintf(stderr, "No Servers provided\n");
  53       exit(1);
  54     }
  55   }
  56
  57   if (opt_servers)
  58     servers= memcached_servers_parse(opt_servers);
  59   else
  60     servers= memcached_servers_parse(argv[--argc]);
  61
  62   memcached_server_push(memc, servers);
  63   memcached_server_list_free(servers);
  64
  65   while (optind < argc)
  66   {
  67     struct stat sbuf;
  68     int fd;
  69     char *ptr;
  70     ssize_t read_length;
  71     char *file_buffer_ptr;
  72
  73     fd= open(argv[optind], O_RDONLY);
  74     if (fd < 0)
  75     {
  76       fprintf(stderr, "memcp: %s: %s\n", argv[optind], strerror(errno));
  77       optind++;
  78       continue;
  79     }
  80
  81     (void)fstat(fd, &sbuf);
  82
  83     ptr= rindex(argv[optind], '/');
  84     if (ptr)
  85       ptr++;
  86     else
  87       ptr= argv[optind];
  88
  89     if (opt_verbose)
  90     {
  91       static char *opstr[] = { "set", "add", "replace" };
  92       printf("op: %s\nsource file: %s\nlength: %zu\n"
  93              "key: %s\nflags: %x\nexpires: %llu\n",
  94              opstr[opt_method - OPT_SET], argv[optind], (size_t)sbuf.st_size,
  95              ptr, opt_flags, (unsigned long long)opt_expires);
  96     }
  97
  98     if ((file_buffer_ptr= (char *)malloc(sizeof(char) * sbuf.st_size)) == NULL)
  99     {
 100       fprintf(stderr, "malloc: %s\n", strerror(errno));
 101       exit(1);
 102     }
 103
 104     if ((read_length= read(fd, file_buffer_ptr, sbuf.st_size)) == -1)
 105     {
 106       fprintf(stderr, "read: %s\n", strerror(errno));
 107       exit(1);
 108     }
 109     assert(read_length == sbuf.st_size);
 110
 111     if (opt_method == OPT_ADD)
 112       rc= memcached_add(memc, ptr, strlen(ptr),
 113                         file_buffer_ptr, sbuf.st_size,
 114                         opt_expires, opt_flags);
 115     else if (opt_method == OPT_REPLACE)
 116       rc= memcached_replace(memc, ptr, strlen(ptr),
 117                             file_buffer_ptr, sbuf.st_size,
 118                             opt_expires, opt_flags);
 119     else
 120       rc= memcached_set(memc, ptr, strlen(ptr),
 121                         file_buffer_ptr, sbuf.st_size,
 122                         opt_expires, opt_flags);
 123
 124     if (rc != MEMCACHED_SUCCESS)
 125     {
 126       fprintf(stderr, "memcp: %s: memcache error %s",
 127               ptr, memcached_strerror(memc, rc));
 128       if (memc->cached_errno)
 129         fprintf(stderr, " system error %s", strerror(memc->cached_errno));
 130       fprintf(stderr, "\n");
 131     }
 132
 133     free(file_buffer_ptr);
 134     close(fd);
 135     optind++;
 136   }
 137
 138   memcached_free(memc);
 139
 140   if (opt_servers)
 141     free(opt_servers);
 142   if (opt_hash)
 143     free(opt_hash);
 144
 145   return 0;
 146 }
 147
 148 void options_parse(int argc, char *argv[])
 149 {
 150   int option_index= 0;
 151   int option_rv;
 152
 153   memcached_programs_help_st help_options[]=
 154   {
 155     {0},
 156   };
 157
 158   static struct option long_options[]=
 159     {
 160       {"version", no_argument, NULL, OPT_VERSION},
 161       {"help", no_argument, NULL, OPT_HELP},
 162       {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 163       {"debug", no_argument, &opt_verbose, OPT_DEBUG},
 164       {"servers", required_argument, NULL, OPT_SERVERS},
 165       {"flag", required_argument, NULL, OPT_FLAG},
 166       {"expire", required_argument, NULL, OPT_EXPIRE},
 167       {"set",  no_argument, NULL, OPT_SET},
 168       {"add",  no_argument, NULL, OPT_ADD},
 169       {"replace",  no_argument, NULL, OPT_REPLACE},
 170       {"hash", required_argument, NULL, OPT_HASH},
 171       {0, 0, 0, 0},
 172     };
 173
 174   while (1)
 175   {
 176     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 177
 178     if (option_rv == -1) break;
 179
 180     switch (option_rv)
 181     {
 182     case 0:
 183       break;
 184     case OPT_VERBOSE: /* --verbose or -v */
 185       opt_verbose = OPT_VERBOSE;
 186       break;
 187     case OPT_DEBUG: /* --debug or -d */
 188       opt_verbose = OPT_DEBUG;
 189       break;
 190     case OPT_VERSION: /* --version or -V */
 191       version_command(PROGRAM_NAME);
 192       break;
 193     case OPT_HELP: /* --help or -h */
 194       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 195       break;
 196     case OPT_SERVERS: /* --servers or -s */
 197       opt_servers= strdup(optarg);
 198       break;
 199     case OPT_FLAG: /* --flag */
 200       opt_flags= (uint32_t)strtol(optarg, (char **)NULL, 16);
 201       break;
 202     case OPT_EXPIRE: /* --expire */
 203       opt_expires= (time_t)strtoll(optarg, (char **)NULL, 10);
 204       break;
 205     case OPT_SET:
 206       opt_method= OPT_SET;
 207       break;
 208     case OPT_REPLACE:
 209       opt_method= OPT_REPLACE;
 210       break;
 211     case OPT_ADD:
 212       opt_method= OPT_ADD;
 213     case OPT_HASH:
 214       opt_hash= strdup(optarg);
 215       break;
 216     case '?':
 217       /* getopt_long already printed an error message. */
 218       exit(1);
 219     default:
 220       abort();
 221     }
 222   }
 223 }