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
  14 #include <libmemcached/memcached.h>
  15
  16 #include "client_options.h"
  17 #include "utilities.h"
  18
  19 #define PROGRAM_NAME "memcp"
  20 #define PROGRAM_DESCRIPTION "Copy a set of files to a memcached cluster."
  21
  22 /* Prototypes */
  23 void options_parse(int argc, char *argv[]);
  24
  25 static int opt_verbose= 0;
  26 static char *opt_servers= NULL;
  27 static char *opt_hash= NULL;
  28 static int opt_method= OPT_SET;
  29 static uint32_t opt_flags= 0;
  30 static time_t opt_expires= 0;
  31
  32 int main(int argc, char *argv[])
  33 {
  34   memcached_st *memc;
  35   memcached_return rc;
  36   memcached_server_st *servers;
  37
  38   options_parse(argc, argv);
  39
  40   memc= memcached_create(NULL);
  41   process_hash_option(memc, opt_hash);
  42
  43   if (!opt_servers)
  44   {
  45     char *temp;
  46
  47     if ((temp= getenv("MEMCACHED_SERVERS")))
  48       opt_servers= strdup(temp);
  49     else
  50     {
  51       fprintf(stderr, "No Servers provided\n");
  52       exit(1);
  53     }
  54   }
  55
  56   if (opt_servers)
  57     servers= memcached_servers_parse(opt_servers);
  58   else
  59     servers= memcached_servers_parse(argv[--argc]);
  60
  61   memcached_server_push(memc, servers);
  62   memcached_server_list_free(servers);
  63
  64   while (optind < argc)
  65   {
  66     struct stat sbuf;
  67     int fd;
  68     char *ptr;
  69     ssize_t read_length;
  70     char *file_buffer_ptr;
  71
  72     fd= open(argv[optind], O_RDONLY);
  73     if (fd < 0)
  74     {
  75       fprintf(stderr, "memcp: %s: %s\n", argv[optind], strerror(errno));
  76       optind++;
  77       continue;
  78     }
  79
  80     (void)fstat(fd, &sbuf);
  81
  82     ptr= rindex(argv[optind], '/');
  83     if (ptr)
  84       ptr++;
  85     else
  86       ptr= argv[optind];
  87
  88     if (opt_verbose)
  89     {
  90       static char *opstr[] = { "set", "add", "replace" };
  91       printf("op: %s\nsource file: %s\nlength: %zu\n"
  92              "key: %s\nflags: %x\nexpires: %llu\n",
  93              opstr[opt_method - OPT_SET], argv[optind], (size_t)sbuf.st_size,
  94              ptr, opt_flags, (unsigned long long)opt_expires);
  95     }
  96
  97     if ((file_buffer_ptr= (char *)malloc(sizeof(char) * sbuf.st_size)) == NULL)
  98     {
  99       fprintf(stderr, "malloc: %s\n", strerror(errno));
 100       exit(1);
 101     }
 102
 103     if ((read_length= read(fd, file_buffer_ptr, sbuf.st_size)) == -1)
 104     {
 105       fprintf(stderr, "read: %s\n", strerror(errno));
 106       exit(1);
 107     }
 108
 109     if (read_length != sbuf.st_size)
 110     {
 111       fprintf(stderr, "Failure reading from file\n");
 112       exit(1);
 113     }
 114
 115     if (opt_method == OPT_ADD)
 116       rc= memcached_add(memc, ptr, strlen(ptr),
 117                         file_buffer_ptr, sbuf.st_size,
 118                         opt_expires, opt_flags);
 119     else if (opt_method == OPT_REPLACE)
 120       rc= memcached_replace(memc, ptr, strlen(ptr),
 121                             file_buffer_ptr, sbuf.st_size,
 122                             opt_expires, opt_flags);
 123     else
 124       rc= memcached_set(memc, ptr, strlen(ptr),
 125                         file_buffer_ptr, sbuf.st_size,
 126                         opt_expires, opt_flags);
 127
 128     if (rc != MEMCACHED_SUCCESS)
 129     {
 130       fprintf(stderr, "memcp: %s: memcache error %s",
 131               ptr, memcached_strerror(memc, rc));
 132       if (memc->cached_errno)
 133         fprintf(stderr, " system error %s", strerror(memc->cached_errno));
 134       fprintf(stderr, "\n");
 135     }
 136
 137     free(file_buffer_ptr);
 138     close(fd);
 139     optind++;
 140   }
 141
 142   memcached_free(memc);
 143
 144   if (opt_servers)
 145     free(opt_servers);
 146   if (opt_hash)
 147     free(opt_hash);
 148
 149   return 0;
 150 }
 151
 152 void options_parse(int argc, char *argv[])
 153 {
 154   int option_index= 0;
 155   int option_rv;
 156
 157   memcached_programs_help_st help_options[]=
 158   {
 159     {0},
 160   };
 161
 162   static struct option long_options[]=
 163     {
 164       {"version", no_argument, NULL, OPT_VERSION},
 165       {"help", no_argument, NULL, OPT_HELP},
 166       {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 167       {"debug", no_argument, &opt_verbose, OPT_DEBUG},
 168       {"servers", required_argument, NULL, OPT_SERVERS},
 169       {"flag", required_argument, NULL, OPT_FLAG},
 170       {"expire", required_argument, NULL, OPT_EXPIRE},
 171       {"set",  no_argument, NULL, OPT_SET},
 172       {"add",  no_argument, NULL, OPT_ADD},
 173       {"replace",  no_argument, NULL, OPT_REPLACE},
 174       {"hash", required_argument, NULL, OPT_HASH},
 175       {0, 0, 0, 0},
 176     };
 177
 178   while (1)
 179   {
 180     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 181
 182     if (option_rv == -1) break;
 183
 184     switch (option_rv)
 185     {
 186     case 0:
 187       break;
 188     case OPT_VERBOSE: /* --verbose or -v */
 189       opt_verbose = OPT_VERBOSE;
 190       break;
 191     case OPT_DEBUG: /* --debug or -d */
 192       opt_verbose = OPT_DEBUG;
 193       break;
 194     case OPT_VERSION: /* --version or -V */
 195       version_command(PROGRAM_NAME);
 196       break;
 197     case OPT_HELP: /* --help or -h */
 198       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 199       break;
 200     case OPT_SERVERS: /* --servers or -s */
 201       opt_servers= strdup(optarg);
 202       break;
 203     case OPT_FLAG: /* --flag */
 204       opt_flags= (uint32_t)strtol(optarg, (char **)NULL, 16);
 205       break;
 206     case OPT_EXPIRE: /* --expire */
 207       opt_expires= (time_t)strtoll(optarg, (char **)NULL, 10);
 208       break;
 209     case OPT_SET:
 210       opt_method= OPT_SET;
 211       break;
 212     case OPT_REPLACE:
 213       opt_method= OPT_REPLACE;
 214       break;
 215     case OPT_ADD:
 216       opt_method= OPT_ADD;
 217     case OPT_HASH:
 218       opt_hash= strdup(optarg);
 219       break;
 220     case '?':
 221       /* getopt_long already printed an error message. */
 222       exit(1);
 223     default:
 224       abort();
 225     }
 226   }
 227 }