git.m6w6.name Git - m6w6/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     {
  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     assert(read_length == sbuf.st_size);
 109
 110     if (opt_method == OPT_ADD)
 111       rc= memcached_add(memc, ptr, strlen(ptr),
 112                         file_buffer_ptr, sbuf.st_size,
 113                         opt_expires, opt_flags);
 114     else if (opt_method == OPT_REPLACE)
 115       rc= memcached_replace(memc, ptr, strlen(ptr),
 116                             file_buffer_ptr, sbuf.st_size,
 117                             opt_expires, opt_flags);
 118     else
 119       rc= memcached_set(memc, ptr, strlen(ptr),
 120                         file_buffer_ptr, sbuf.st_size,
 121                         opt_expires, opt_flags);
 122
 123     if (rc != MEMCACHED_SUCCESS)
 124     {
 125       fprintf(stderr, "memcp: %s: memcache error %s",
 126               ptr, memcached_strerror(memc, rc));
 127       if (memc->cached_errno)
 128         fprintf(stderr, " system error %s", strerror(memc->cached_errno));
 129       fprintf(stderr, "\n");
 130     }
 131
 132     free(file_buffer_ptr);
 133     close(fd);
 134     optind++;
 135   }
 136
 137   memcached_free(memc);
 138
 139   if (opt_servers)
 140     free(opt_servers);
 141   if (opt_hash)
 142     free(opt_hash);
 143
 144   return 0;
 145 }
 146
 147 void options_parse(int argc, char *argv[])
 148 {
 149   int option_index= 0;
 150   int option_rv;
 151
 152   memcached_programs_help_st help_options[]=
 153   {
 154     {0},
 155   };
 156
 157   static struct option long_options[]=
 158     {
 159       {"version", no_argument, NULL, OPT_VERSION},
 160       {"help", no_argument, NULL, OPT_HELP},
 161       {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 162       {"debug", no_argument, &opt_verbose, OPT_DEBUG},
 163       {"servers", required_argument, NULL, OPT_SERVERS},
 164       {"flag", required_argument, NULL, OPT_FLAG},
 165       {"expire", required_argument, NULL, OPT_EXPIRE},
 166       {"set",  no_argument, NULL, OPT_SET},
 167       {"add",  no_argument, NULL, OPT_ADD},
 168       {"replace",  no_argument, NULL, OPT_REPLACE},
 169       {"hash", required_argument, NULL, OPT_HASH},
 170       {0, 0, 0, 0},
 171     };
 172
 173   while (1)
 174   {
 175     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 176
 177     if (option_rv == -1) break;
 178
 179     switch (option_rv)
 180     {
 181     case 0:
 182       break;
 183     case OPT_VERBOSE: /* --verbose or -v */
 184       opt_verbose = OPT_VERBOSE;
 185       break;
 186     case OPT_DEBUG: /* --debug or -d */
 187       opt_verbose = OPT_DEBUG;
 188       break;
 189     case OPT_VERSION: /* --version or -V */
 190       version_command(PROGRAM_NAME);
 191       break;
 192     case OPT_HELP: /* --help or -h */
 193       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 194       break;
 195     case OPT_SERVERS: /* --servers or -s */
 196       opt_servers= strdup(optarg);
 197       break;
 198     case OPT_FLAG: /* --flag */
 199       opt_flags= (uint32_t)strtol(optarg, (char **)NULL, 16);
 200       break;
 201     case OPT_EXPIRE: /* --expire */
 202       opt_expires= (time_t)strtoll(optarg, (char **)NULL, 10);
 203       break;
 204     case OPT_SET:
 205       opt_method= OPT_SET;
 206       break;
 207     case OPT_REPLACE:
 208       opt_method= OPT_REPLACE;
 209       break;
 210     case OPT_ADD:
 211       opt_method= OPT_ADD;
 212     case OPT_HASH:
 213       opt_hash= strdup(optarg);
 214       break;
 215     case '?':
 216       /* getopt_long already printed an error message. */
 217       exit(1);
 218     default:
 219       abort();
 220     }
 221   }
 222 }