git.m6w6.name Git - awesomized/libmemcached/blob - src/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 <memcached.h>
  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       exit(1);
  51   }
  52
  53   if (opt_servers)
  54     servers= memcached_servers_parse(opt_servers);
  55   else
  56     servers= memcached_servers_parse(argv[--argc]);
  57
  58   memcached_server_push(memc, servers);
  59   memcached_server_list_free(servers);
  60
  61   while (optind < argc)
  62   {
  63     struct stat sbuf;
  64     int fd;
  65     char *ptr;
  66     ssize_t read_length;
  67     char *file_buffer_ptr;
  68
  69     fd= open(argv[optind], O_RDONLY);
  70     if (fd < 0)
  71     {
  72       fprintf(stderr, "memcp: %s: %s\n", argv[optind], strerror(errno));
  73       optind++;
  74       continue;
  75     }
  76
  77     (void)fstat(fd, &sbuf);
  78
  79     ptr= rindex(argv[optind], '/');
  80     if (ptr)
  81       ptr++;
  82     else
  83       ptr= argv[optind];
  84
  85     if (opt_verbose)
  86     {
  87       static char *opstr[] = { "set", "add", "replace" };
  88       printf("op: %s\nsource file: %s\nlength: %zu\n"
  89              "key: %s\nflags: %x\nexpires: %llu\n",
  90              opstr[opt_method - OPT_SET], argv[optind], (size_t)sbuf.st_size,
  91              ptr, opt_flags, (unsigned long long)opt_expires);
  92     }
  93
  94     if ((file_buffer_ptr= (char *)malloc(sizeof(char) * sbuf.st_size)) == NULL)
  95     {
  96       fprintf(stderr, "malloc: %s\n", strerror(errno));
  97       exit(1);
  98     }
  99
 100     if ((read_length= read(fd, file_buffer_ptr, sbuf.st_size)) == -1)
 101     {
 102       fprintf(stderr, "read: %s\n", strerror(errno));
 103       exit(1);
 104     }
 105     assert(read_length == sbuf.st_size);
 106
 107     if (opt_method == OPT_ADD)
 108       rc= memcached_add(memc, ptr, strlen(ptr),
 109                         file_buffer_ptr, sbuf.st_size,
 110                         opt_expires, opt_flags);
 111     else if (opt_method == OPT_REPLACE)
 112       rc= memcached_replace(memc, ptr, strlen(ptr),
 113                             file_buffer_ptr, sbuf.st_size,
 114                             opt_expires, opt_flags);
 115     else
 116       rc= memcached_set(memc, ptr, strlen(ptr),
 117                         file_buffer_ptr, sbuf.st_size,
 118                         opt_expires, opt_flags);
 119
 120     if (rc != MEMCACHED_SUCCESS)
 121     {
 122       fprintf(stderr, "memcp: %s: memcache error %s",
 123               ptr, memcached_strerror(memc, rc));
 124       if (memc->cached_errno)
 125         fprintf(stderr, " system error %s", strerror(memc->cached_errno));
 126       fprintf(stderr, "\n");
 127     }
 128
 129     free(file_buffer_ptr);
 130     close(fd);
 131     optind++;
 132   }
 133
 134   memcached_free(memc);
 135
 136   if (opt_servers)
 137     free(opt_servers);
 138   if (opt_hash)
 139     free(opt_hash);
 140
 141   return 0;
 142 }
 143
 144 void options_parse(int argc, char *argv[])
 145 {
 146   int option_index= 0;
 147   int option_rv;
 148
 149   memcached_programs_help_st help_options[]=
 150   {
 151     {0},
 152   };
 153
 154   static struct option long_options[]=
 155     {
 156       {"version", no_argument, NULL, OPT_VERSION},
 157       {"help", no_argument, NULL, OPT_HELP},
 158       {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 159       {"debug", no_argument, &opt_verbose, OPT_DEBUG},
 160       {"servers", required_argument, NULL, OPT_SERVERS},
 161       {"flag", required_argument, NULL, OPT_FLAG},
 162       {"expire", required_argument, NULL, OPT_EXPIRE},
 163       {"set",  no_argument, NULL, OPT_SET},
 164       {"add",  no_argument, NULL, OPT_ADD},
 165       {"replace",  no_argument, NULL, OPT_REPLACE},
 166       {"hash", required_argument, NULL, OPT_HASH},
 167       {0, 0, 0, 0},
 168     };
 169
 170   while (1)
 171   {
 172     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 173
 174     if (option_rv == -1) break;
 175
 176     switch (option_rv)
 177     {
 178     case 0:
 179       break;
 180     case OPT_VERBOSE: /* --verbose or -v */
 181       opt_verbose = OPT_VERBOSE;
 182       break;
 183     case OPT_DEBUG: /* --debug or -d */
 184       opt_verbose = OPT_DEBUG;
 185       break;
 186     case OPT_VERSION: /* --version or -V */
 187       version_command(PROGRAM_NAME);
 188       break;
 189     case OPT_HELP: /* --help or -h */
 190       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 191       break;
 192     case OPT_SERVERS: /* --servers or -s */
 193       opt_servers= strdup(optarg);
 194       break;
 195     case OPT_FLAG: /* --flag */
 196       opt_flags= (uint32_t)strtol(optarg, (char **)NULL, 16);
 197       break;
 198     case OPT_EXPIRE: /* --expire */
 199       opt_expires= (time_t)strtoll(optarg, (char **)NULL, 10);
 200       break;
 201     case OPT_SET:
 202       opt_method= OPT_SET;
 203       break;
 204     case OPT_REPLACE:
 205       opt_method= OPT_REPLACE;
 206       break;
 207     case OPT_ADD:
 208       opt_method= OPT_ADD;
 209     case OPT_HASH:
 210       opt_hash= strdup(optarg);
 211       break;
 212     case '?':
 213       /* getopt_long already printed an error message. */
 214       exit(1);
 215     default:
 216       abort();
 217     }
 218   }
 219 }