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

   1 #include <stdio.h>
   2 #include <unistd.h>
   3 #include <getopt.h>
   4 #include <sys/types.h>
   5 #include <sys/stat.h>
   6 #include <sys/types.h>
   7 #include <fcntl.h>
   8 #include <errno.h>
   9 #include <strings.h>
  10
  11 #include <memcached.h>
  12 #include "client_options.h"
  13 #include "utilities.h"
  14
  15 #define PROGRAM_NAME "memcp"
  16 #define PROGRAM_DESCRIPTION "Copy a set of files to a memcached cluster."
  17
  18 /* Prototypes */
  19 void options_parse(int argc, char *argv[]);
  20
  21 static int opt_verbose= 0;
  22 static char *opt_servers= NULL;
  23 static int opt_method= OPT_SET;
  24 static uint16_t opt_flags= 0;
  25 static time_t opt_expires= 0;
  26
  27 int main(int argc, char *argv[])
  28 {
  29   memcached_st *memc;
  30   memcached_return rc;
  31   memcached_server_st *servers;
  32
  33   options_parse(argc, argv);
  34
  35   memc= memcached_create(NULL);
  36
  37   if (!opt_servers)
  38   {
  39     char *temp;
  40
  41     if ((temp= getenv("MEMCACHED_SERVERS")))
  42       opt_servers= strdup(temp);
  43     else
  44       exit(1);
  45   }
  46
  47   if (opt_servers)
  48     servers= memcached_servers_parse(opt_servers);
  49   else
  50     servers= memcached_servers_parse(argv[--argc]);
  51
  52   memcached_server_push(memc, servers);
  53   memcached_server_list_free(servers);
  54
  55   while (optind < argc)
  56   {
  57     struct stat sbuf;
  58     int fd;
  59     char *ptr;
  60     ssize_t read_length;
  61     char *file_buffer_ptr;
  62
  63     fd= open(argv[optind], O_RDONLY);
  64     if (fd < 0)
  65     {
  66       fprintf(stderr, "memcp: %s: %s\n", argv[optind], strerror(errno));
  67       optind++;
  68       continue;
  69     }
  70
  71     (void)fstat(fd, &sbuf);
  72
  73     ptr= rindex(argv[optind], '/');
  74     if (ptr)
  75       ptr++;
  76     else
  77       ptr= argv[optind];
  78
  79     if (opt_verbose)
  80     {
  81       static char *opstr[] = { "set", "add", "replace" };
  82       printf("op: %s\nsource file: %s\nlength: %zu\n"
  83              "key: %s\nflags: %x\nexpires: %llu\n",
  84              opstr[opt_method - OPT_SET], argv[optind], (size_t)sbuf.st_size,
  85              ptr, opt_flags, (unsigned long long)opt_expires);
  86     }
  87
  88     if ((file_buffer_ptr= (char *)malloc(sizeof(char) * sbuf.st_size)) == NULL)
  89     {
  90       fprintf(stderr, "malloc: %s\n", strerror(errno));
  91       exit(1);
  92     }
  93
  94     if ((read_length= read(fd, file_buffer_ptr, sbuf.st_size)) == -1)
  95     {
  96       fprintf(stderr, "read: %s\n", strerror(errno));
  97       exit(1);
  98     }
  99     assert(read_length == sbuf.st_size);
 100
 101     if (opt_method == OPT_ADD)
 102       rc= memcached_add(memc, ptr, strlen(ptr),
 103                         file_buffer_ptr, sbuf.st_size,
 104                         opt_expires, opt_flags);
 105     else if (opt_method == OPT_REPLACE)
 106       rc= memcached_replace(memc, ptr, strlen(ptr),
 107                             file_buffer_ptr, sbuf.st_size,
 108                             opt_expires, opt_flags);
 109     else
 110       rc= memcached_set(memc, ptr, strlen(ptr),
 111                         file_buffer_ptr, sbuf.st_size,
 112                         opt_expires, opt_flags);
 113
 114     if (rc != MEMCACHED_SUCCESS)
 115       fprintf(stderr, "memcp: %s: memcache error %s\n",
 116               ptr, memcached_strerror(memc, rc));
 117
 118     free(file_buffer_ptr);
 119     close(fd);
 120     optind++;
 121   }
 122
 123   memcached_free(memc);
 124
 125   free(opt_servers);
 126
 127   return 0;
 128 }
 129
 130 void options_parse(int argc, char *argv[])
 131 {
 132   int option_index= 0;
 133   int option_rv;
 134
 135   memcached_programs_help_st help_options[]=
 136   {
 137     {0},
 138   };
 139
 140   static struct option long_options[]=
 141     {
 142       {"version", no_argument, NULL, OPT_VERSION},
 143       {"help", no_argument, NULL, OPT_HELP},
 144       {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 145       {"debug", no_argument, &opt_verbose, OPT_DEBUG},
 146       {"servers", required_argument, NULL, OPT_SERVERS},
 147       {"flag", required_argument, NULL, OPT_FLAG},
 148       {"expire", required_argument, NULL, OPT_EXPIRE},
 149       {"set",  no_argument, NULL, OPT_SET},
 150       {"add",  no_argument, NULL, OPT_ADD},
 151       {"replace",  no_argument, NULL, OPT_REPLACE},
 152       {0, 0, 0, 0},
 153     };
 154
 155   while (1)
 156   {
 157     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 158
 159     if (option_rv == -1) break;
 160
 161     switch (option_rv)
 162     {
 163     case 0:
 164       break;
 165     case OPT_VERBOSE: /* --verbose or -v */
 166       opt_verbose = OPT_VERBOSE;
 167       break;
 168     case OPT_DEBUG: /* --debug or -d */
 169       opt_verbose = OPT_DEBUG;
 170       break;
 171     case OPT_VERSION: /* --version or -V */
 172       version_command(PROGRAM_NAME);
 173       break;
 174     case OPT_HELP: /* --help or -h */
 175       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 176       break;
 177     case OPT_SERVERS: /* --servers or -s */
 178       opt_servers= strdup(optarg);
 179       break;
 180     case OPT_FLAG: /* --flag */
 181       opt_flags= (uint16_t)strtol(optarg, (char **)NULL, 16);
 182       break;
 183     case OPT_EXPIRE: /* --expire */
 184       opt_expires= (time_t)strtoll(optarg, (char **)NULL, 10);
 185       break;
 186     case OPT_SET:
 187       opt_method= OPT_SET;
 188       break;
 189     case OPT_REPLACE:
 190       opt_method= OPT_REPLACE;
 191       break;
 192     case OPT_ADD:
 193       opt_method= OPT_ADD;
 194       break;
 195     case '?':
 196       /* getopt_long already printed an error message. */
 197       exit(1);
 198     default:
 199       abort();
 200     }
 201   }
 202 }