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

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <inttypes.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_binary=0;
  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   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, opt_binary);
  65
  66   while (optind < argc)
  67   {
  68     struct stat sbuf;
  69     int fd;
  70     char *ptr;
  71     ssize_t read_length;
  72     char *file_buffer_ptr;
  73
  74     fd= open(argv[optind], O_RDONLY);
  75     if (fd < 0)
  76     {
  77       fprintf(stderr, "memcp: %s: %s\n", argv[optind], strerror(errno));
  78       optind++;
  79       continue;
  80     }
  81
  82     (void)fstat(fd, &sbuf);
  83
  84     ptr= rindex(argv[optind], '/');
  85     if (ptr)
  86       ptr++;
  87     else
  88       ptr= argv[optind];
  89
  90     if (opt_verbose)
  91     {
  92       static char *opstr[] = { "set", "add", "replace" };
  93       printf("op: %s\nsource file: %s\nlength: %zu\n"
  94              "key: %s\nflags: %x\nexpires: %llu\n",
  95              opstr[opt_method - OPT_SET], argv[optind], (size_t)sbuf.st_size,
  96              ptr, opt_flags, (unsigned long long)opt_expires);
  97     }
  98
  99     if ((file_buffer_ptr= (char *)malloc(sizeof(char) * sbuf.st_size)) == NULL)
 100     {
 101       fprintf(stderr, "malloc: %s\n", strerror(errno));
 102       exit(1);
 103     }
 104
 105     if ((read_length= read(fd, file_buffer_ptr, sbuf.st_size)) == -1)
 106     {
 107       fprintf(stderr, "read: %s\n", strerror(errno));
 108       exit(1);
 109     }
 110
 111     if (read_length != sbuf.st_size)
 112     {
 113       fprintf(stderr, "Failure reading from file\n");
 114       exit(1);
 115     }
 116
 117     if (opt_method == OPT_ADD)
 118       rc= memcached_add(memc, ptr, strlen(ptr),
 119                         file_buffer_ptr, sbuf.st_size,
 120                         opt_expires, opt_flags);
 121     else if (opt_method == OPT_REPLACE)
 122       rc= memcached_replace(memc, ptr, strlen(ptr),
 123                             file_buffer_ptr, sbuf.st_size,
 124                             opt_expires, opt_flags);
 125     else
 126       rc= memcached_set(memc, ptr, strlen(ptr),
 127                         file_buffer_ptr, sbuf.st_size,
 128                         opt_expires, opt_flags);
 129
 130     if (rc != MEMCACHED_SUCCESS)
 131     {
 132       fprintf(stderr, "memcp: %s: memcache error %s",
 133               ptr, memcached_strerror(memc, rc));
 134       if (memc->cached_errno)
 135         fprintf(stderr, " system error %s", strerror(memc->cached_errno));
 136       fprintf(stderr, "\n");
 137     }
 138
 139     free(file_buffer_ptr);
 140     close(fd);
 141     optind++;
 142   }
 143
 144   memcached_free(memc);
 145
 146   if (opt_servers)
 147     free(opt_servers);
 148   if (opt_hash)
 149     free(opt_hash);
 150
 151   return 0;
 152 }
 153
 154 void options_parse(int argc, char *argv[])
 155 {
 156   int option_index= 0;
 157   int option_rv;
 158
 159   memcached_programs_help_st help_options[]=
 160   {
 161     {0},
 162   };
 163
 164   static struct option long_options[]=
 165     {
 166       {"version", no_argument, NULL, OPT_VERSION},
 167       {"help", no_argument, NULL, OPT_HELP},
 168       {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 169       {"debug", no_argument, &opt_verbose, OPT_DEBUG},
 170       {"servers", required_argument, NULL, OPT_SERVERS},
 171       {"flag", required_argument, NULL, OPT_FLAG},
 172       {"expire", required_argument, NULL, OPT_EXPIRE},
 173       {"set",  no_argument, NULL, OPT_SET},
 174       {"add",  no_argument, NULL, OPT_ADD},
 175       {"replace",  no_argument, NULL, OPT_REPLACE},
 176       {"hash", required_argument, NULL, OPT_HASH},
 177       {"binary", no_argument, NULL, OPT_BINARY},
 178       {0, 0, 0, 0},
 179     };
 180
 181   while (1)
 182   {
 183     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 184
 185     if (option_rv == -1) break;
 186
 187     switch (option_rv)
 188     {
 189     case 0:
 190       break;
 191     case OPT_BINARY:
 192       opt_binary = 1;
 193       break;
 194     case OPT_VERBOSE: /* --verbose or -v */
 195       opt_verbose = OPT_VERBOSE;
 196       break;
 197     case OPT_DEBUG: /* --debug or -d */
 198       opt_verbose = OPT_DEBUG;
 199       break;
 200     case OPT_VERSION: /* --version or -V */
 201       version_command(PROGRAM_NAME);
 202       break;
 203     case OPT_HELP: /* --help or -h */
 204       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 205       break;
 206     case OPT_SERVERS: /* --servers or -s */
 207       opt_servers= strdup(optarg);
 208       break;
 209     case OPT_FLAG: /* --flag */
 210       opt_flags= (uint32_t)strtol(optarg, (char **)NULL, 16);
 211       break;
 212     case OPT_EXPIRE: /* --expire */
 213       opt_expires= (time_t)strtoll(optarg, (char **)NULL, 10);
 214       break;
 215     case OPT_SET:
 216       opt_method= OPT_SET;
 217       break;
 218     case OPT_REPLACE:
 219       opt_method= OPT_REPLACE;
 220       break;
 221     case OPT_ADD:
 222       opt_method= OPT_ADD;
 223     case OPT_HASH:
 224       opt_hash= strdup(optarg);
 225       break;
 226     case '?':
 227       /* getopt_long already printed an error message. */
 228       exit(1);
 229     default:
 230       abort();
 231     }
 232   }
 233 }