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

   1 #include "libmemcached/common.h"
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <inttypes.h>
   5 #include <unistd.h>
   6 #include <getopt.h>
   7 #include <sys/types.h>
   8 #include <sys/stat.h>
   9 #include <sys/types.h>
  10 #include <fcntl.h>
  11 #include <errno.h>
  12 #include <strings.h>
  13 #include <string.h>
  14
  15 #include <libmemcached/memcached.h>
  16
  17 #include "client_options.h"
  18 #include "utilities.h"
  19
  20 #define PROGRAM_NAME "memcp"
  21 #define PROGRAM_DESCRIPTION "Copy a set of files to a memcached cluster."
  22
  23 /* Prototypes */
  24 void options_parse(int argc, char *argv[]);
  25
  26 static int opt_binary=0;
  27 static int opt_verbose= 0;
  28 static char *opt_servers= NULL;
  29 static char *opt_hash= NULL;
  30 static int opt_method= OPT_SET;
  31 static uint32_t opt_flags= 0;
  32 static time_t opt_expires= 0;
  33
  34 int main(int argc, char *argv[])
  35 {
  36   memcached_st *memc;
  37   memcached_return rc;
  38   memcached_server_st *servers;
  39
  40   options_parse(argc, argv);
  41
  42   memc= memcached_create(NULL);
  43   process_hash_option(memc, opt_hash);
  44
  45   if (!opt_servers)
  46   {
  47     char *temp;
  48
  49     if ((temp= getenv("MEMCACHED_SERVERS")))
  50       opt_servers= strdup(temp);
  51     else
  52     {
  53       fprintf(stderr, "No Servers provided\n");
  54       exit(1);
  55     }
  56   }
  57
  58   if (opt_servers)
  59     servers= memcached_servers_parse(opt_servers);
  60   else
  61     servers= memcached_servers_parse(argv[--argc]);
  62
  63   memcached_server_push(memc, servers);
  64   memcached_server_list_free(servers);
  65   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, opt_binary);
  66
  67   while (optind < argc)
  68   {
  69     struct stat sbuf;
  70     int fd;
  71     char *ptr;
  72     ssize_t read_length;
  73     char *file_buffer_ptr;
  74
  75     fd= open(argv[optind], O_RDONLY);
  76     if (fd < 0)
  77     {
  78       fprintf(stderr, "memcp: %s: %s\n", argv[optind], strerror(errno));
  79       optind++;
  80       continue;
  81     }
  82
  83     (void)fstat(fd, &sbuf);
  84
  85     ptr= rindex(argv[optind], '/');
  86     if (ptr)
  87       ptr++;
  88     else
  89       ptr= argv[optind];
  90
  91     if (opt_verbose)
  92     {
  93       static char *opstr[] = { "set", "add", "replace" };
  94       printf("op: %s\nsource file: %s\nlength: %zu\n"
  95              "key: %s\nflags: %x\nexpires: %llu\n",
  96              opstr[opt_method - OPT_SET], argv[optind], (size_t)sbuf.st_size,
  97              ptr, opt_flags, (unsigned long long)opt_expires);
  98     }
  99
 100     if ((file_buffer_ptr= (char *)malloc(sizeof(char) * sbuf.st_size)) == NULL)
 101     {
 102       fprintf(stderr, "malloc: %s\n", strerror(errno));
 103       exit(1);
 104     }
 105
 106     if ((read_length= read(fd, file_buffer_ptr, sbuf.st_size)) == -1)
 107     {
 108       fprintf(stderr, "read: %s\n", strerror(errno));
 109       exit(1);
 110     }
 111
 112     if (read_length != sbuf.st_size)
 113     {
 114       fprintf(stderr, "Failure reading from file\n");
 115       exit(1);
 116     }
 117
 118     if (opt_method == OPT_ADD)
 119       rc= memcached_add(memc, ptr, strlen(ptr),
 120                         file_buffer_ptr, sbuf.st_size,
 121                         opt_expires, opt_flags);
 122     else if (opt_method == OPT_REPLACE)
 123       rc= memcached_replace(memc, ptr, strlen(ptr),
 124                             file_buffer_ptr, sbuf.st_size,
 125                             opt_expires, opt_flags);
 126     else
 127       rc= memcached_set(memc, ptr, strlen(ptr),
 128                         file_buffer_ptr, sbuf.st_size,
 129                         opt_expires, opt_flags);
 130
 131     if (rc != MEMCACHED_SUCCESS)
 132     {
 133       fprintf(stderr, "memcp: %s: memcache error %s",
 134               ptr, memcached_strerror(memc, rc));
 135       if (memc->cached_errno)
 136         fprintf(stderr, " system error %s", strerror(memc->cached_errno));
 137       fprintf(stderr, "\n");
 138     }
 139
 140     free(file_buffer_ptr);
 141     close(fd);
 142     optind++;
 143   }
 144
 145   memcached_free(memc);
 146
 147   if (opt_servers)
 148     free(opt_servers);
 149   if (opt_hash)
 150     free(opt_hash);
 151
 152   return 0;
 153 }
 154
 155 void options_parse(int argc, char *argv[])
 156 {
 157   int option_index= 0;
 158   int option_rv;
 159
 160   memcached_programs_help_st help_options[]=
 161   {
 162     {0},
 163   };
 164
 165   static struct option long_options[]=
 166     {
 167       {"version", no_argument, NULL, OPT_VERSION},
 168       {"help", no_argument, NULL, OPT_HELP},
 169       {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 170       {"debug", no_argument, &opt_verbose, OPT_DEBUG},
 171       {"servers", required_argument, NULL, OPT_SERVERS},
 172       {"flag", required_argument, NULL, OPT_FLAG},
 173       {"expire", required_argument, NULL, OPT_EXPIRE},
 174       {"set",  no_argument, NULL, OPT_SET},
 175       {"add",  no_argument, NULL, OPT_ADD},
 176       {"replace",  no_argument, NULL, OPT_REPLACE},
 177       {"hash", required_argument, NULL, OPT_HASH},
 178       {"binary", no_argument, NULL, OPT_BINARY},
 179       {0, 0, 0, 0},
 180     };
 181
 182   while (1)
 183   {
 184     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 185
 186     if (option_rv == -1) break;
 187
 188     switch (option_rv)
 189     {
 190     case 0:
 191       break;
 192     case OPT_BINARY:
 193       opt_binary = 1;
 194       break;
 195     case OPT_VERBOSE: /* --verbose or -v */
 196       opt_verbose = OPT_VERBOSE;
 197       break;
 198     case OPT_DEBUG: /* --debug or -d */
 199       opt_verbose = OPT_DEBUG;
 200       break;
 201     case OPT_VERSION: /* --version or -V */
 202       version_command(PROGRAM_NAME);
 203       break;
 204     case OPT_HELP: /* --help or -h */
 205       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 206       break;
 207     case OPT_SERVERS: /* --servers or -s */
 208       opt_servers= strdup(optarg);
 209       break;
 210     case OPT_FLAG: /* --flag */
 211       opt_flags= (uint32_t)strtol(optarg, (char **)NULL, 16);
 212       break;
 213     case OPT_EXPIRE: /* --expire */
 214       opt_expires= (time_t)strtoll(optarg, (char **)NULL, 10);
 215       break;
 216     case OPT_SET:
 217       opt_method= OPT_SET;
 218       break;
 219     case OPT_REPLACE:
 220       opt_method= OPT_REPLACE;
 221       break;
 222     case OPT_ADD:
 223       opt_method= OPT_ADD;
 224     case OPT_HASH:
 225       opt_hash= strdup(optarg);
 226       break;
 227     case '?':
 228       /* getopt_long already printed an error message. */
 229       exit(1);
 230     default:
 231       abort();
 232     }
 233   }
 234 }