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

   1 /* LibMemcached
   2  * Copyright (C) 2006-2009 Brian Aker
   3  * All rights reserved.
   4  *
   5  * Use and distribution licensed under the BSD license.  See
   6  * the COPYING file in the parent directory for full text.
   7  *
   8  * Summary:
   9  *
  10  */
  11
  12 #include "config.h"
  13
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16 #include <inttypes.h>
  17 #include <unistd.h>
  18 #include <getopt.h>
  19 #include <sys/types.h>
  20 #include <sys/stat.h>
  21 #include <sys/types.h>
  22 #include <fcntl.h>
  23 #include <errno.h>
  24 #include <strings.h>
  25 #include <string.h>
  26 #include <sys/types.h>
  27 #include <stdlib.h>
  28 #include <limits.h>
  29
  30
  31 #include <libmemcached/memcached.h>
  32
  33 #include "client_options.h"
  34 #include "utilities.h"
  35
  36 #define PROGRAM_NAME "memcp"
  37 #define PROGRAM_DESCRIPTION "Copy a set of files to a memcached cluster."
  38
  39 /* Prototypes */
  40 static void options_parse(int argc, char *argv[]);
  41
  42 static int opt_binary=0;
  43 static int opt_verbose= 0;
  44 static char *opt_servers= NULL;
  45 static char *opt_hash= NULL;
  46 static int opt_method= OPT_SET;
  47 static uint32_t opt_flags= 0;
  48 static time_t opt_expires= 0;
  49 static char *opt_username;
  50 static char *opt_passwd;
  51
  52 static long strtol_wrapper(const char *nptr, int base, bool *error)
  53 {
  54   long val;
  55   char *endptr;
  56
  57   errno= 0;    /* To distinguish success/failure after call */
  58   val= strtol(nptr, &endptr, base);
  59
  60   /* Check for various possible errors */
  61
  62   if ((errno == ERANGE && (val == LONG_MAX || val == LONG_MIN))
  63       || (errno != 0 && val == 0))
  64   {
  65     *error= true;
  66     return 0;
  67   }
  68
  69   if (endptr == nptr)
  70   {
  71     *error= true;
  72     return 0;
  73   }
  74
  75   *error= false;
  76   return val;
  77 }
  78
  79 int main(int argc, char *argv[])
  80 {
  81   memcached_st *memc;
  82   memcached_return_t rc;
  83   memcached_server_st *servers;
  84
  85   int return_code= 0;
  86
  87   options_parse(argc, argv);
  88
  89   memc= memcached_create(NULL);
  90   process_hash_option(memc, opt_hash);
  91
  92   if (!opt_servers)
  93   {
  94     char *temp;
  95
  96     if ((temp= getenv("MEMCACHED_SERVERS")))
  97     {
  98       opt_servers= strdup(temp);
  99     }
 100     else
 101     {
 102       fprintf(stderr, "No Servers provided\n");
 103       exit(1);
 104     }
 105   }
 106
 107   if (opt_servers)
 108     servers= memcached_servers_parse(opt_servers);
 109   else
 110     servers= memcached_servers_parse(argv[--argc]);
 111
 112   memcached_server_push(memc, servers);
 113   memcached_server_list_free(servers);
 114   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
 115                          (uint64_t)opt_binary);
 116   if (!initialize_sasl(memc, opt_username, opt_passwd))
 117   {
 118     memcached_free(memc);
 119     return 1;
 120   }
 121
 122   while (optind < argc)
 123   {
 124     struct stat sbuf;
 125     int fd;
 126     char *ptr;
 127     ssize_t read_length;
 128     char *file_buffer_ptr;
 129
 130     fd= open(argv[optind], O_RDONLY);
 131     if (fd < 0)
 132     {
 133       fprintf(stderr, "memcp: %s: %s\n", argv[optind], strerror(errno));
 134       optind++;
 135       continue;
 136     }
 137
 138     (void)fstat(fd, &sbuf);
 139
 140     ptr= rindex(argv[optind], '/');
 141     if (ptr)
 142       ptr++;
 143     else
 144       ptr= argv[optind];
 145
 146     if (opt_verbose)
 147     {
 148       static const char *opstr[] = { "set", "add", "replace" };
 149       printf("op: %s\nsource file: %s\nlength: %zu\n"
 150              "key: %s\nflags: %x\nexpires: %llu\n",
 151              opstr[opt_method - OPT_SET], argv[optind], (size_t)sbuf.st_size,
 152              ptr, opt_flags, (unsigned long long)opt_expires);
 153     }
 154
 155     if ((file_buffer_ptr= (char *)malloc(sizeof(char) * (size_t)sbuf.st_size)) == NULL)
 156     {
 157       fprintf(stderr, "malloc: %s\n", strerror(errno));
 158       exit(1);
 159     }
 160
 161     if ((read_length= read(fd, file_buffer_ptr, (size_t)sbuf.st_size)) == -1)
 162     {
 163       fprintf(stderr, "read: %s\n", strerror(errno));
 164       exit(1);
 165     }
 166
 167     if (read_length != sbuf.st_size)
 168     {
 169       fprintf(stderr, "Failure reading from file\n");
 170       exit(1);
 171     }
 172
 173     if (opt_method == OPT_ADD)
 174       rc= memcached_add(memc, ptr, strlen(ptr),
 175                         file_buffer_ptr, (size_t)sbuf.st_size,
 176                         opt_expires, opt_flags);
 177     else if (opt_method == OPT_REPLACE)
 178       rc= memcached_replace(memc, ptr, strlen(ptr),
 179                             file_buffer_ptr, (size_t)sbuf.st_size,
 180                             opt_expires, opt_flags);
 181     else
 182       rc= memcached_set(memc, ptr, strlen(ptr),
 183                         file_buffer_ptr, (size_t)sbuf.st_size,
 184                         opt_expires, opt_flags);
 185
 186     if (rc != MEMCACHED_SUCCESS)
 187     {
 188       fprintf(stderr, "memcp: %s: memcache error %s",
 189               ptr, memcached_strerror(memc, rc));
 190       if (memc->cached_errno)
 191         fprintf(stderr, " system error %s", strerror(memc->cached_errno));
 192       fprintf(stderr, "\n");
 193
 194       return_code= -1;
 195     }
 196
 197     free(file_buffer_ptr);
 198     close(fd);
 199     optind++;
 200   }
 201
 202   memcached_free(memc);
 203
 204   if (opt_servers)
 205     free(opt_servers);
 206   if (opt_hash)
 207     free(opt_hash);
 208   shutdown_sasl();
 209
 210   return return_code;
 211 }
 212
 213 static void options_parse(int argc, char *argv[])
 214 {
 215   int option_index= 0;
 216   int option_rv;
 217
 218   memcached_programs_help_st help_options[]=
 219   {
 220     {0},
 221   };
 222
 223   static struct option long_options[]=
 224     {
 225       {(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
 226       {(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
 227       {(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 228       {(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
 229       {(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
 230       {(OPTIONSTRING)"flag", required_argument, NULL, OPT_FLAG},
 231       {(OPTIONSTRING)"expire", required_argument, NULL, OPT_EXPIRE},
 232       {(OPTIONSTRING)"set",  no_argument, NULL, OPT_SET},
 233       {(OPTIONSTRING)"add",  no_argument, NULL, OPT_ADD},
 234       {(OPTIONSTRING)"replace",  no_argument, NULL, OPT_REPLACE},
 235       {(OPTIONSTRING)"hash", required_argument, NULL, OPT_HASH},
 236       {(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
 237       {(OPTIONSTRING)"username", required_argument, NULL, OPT_USERNAME},
 238       {(OPTIONSTRING)"password", required_argument, NULL, OPT_PASSWD},
 239       {0, 0, 0, 0},
 240     };
 241
 242   while (1)
 243   {
 244     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 245
 246     if (option_rv == -1) break;
 247
 248     switch (option_rv)
 249     {
 250     case 0:
 251       break;
 252     case OPT_BINARY:
 253       opt_binary = 1;
 254       break;
 255     case OPT_VERBOSE: /* --verbose or -v */
 256       opt_verbose = OPT_VERBOSE;
 257       break;
 258     case OPT_DEBUG: /* --debug or -d */
 259       opt_verbose = OPT_DEBUG;
 260       break;
 261     case OPT_VERSION: /* --version or -V */
 262       version_command(PROGRAM_NAME);
 263       break;
 264     case OPT_HELP: /* --help or -h */
 265       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 266       break;
 267     case OPT_SERVERS: /* --servers or -s */
 268       opt_servers= strdup(optarg);
 269       break;
 270     case OPT_FLAG: /* --flag */
 271       {
 272         bool strtol_error;
 273         opt_flags= (uint32_t)strtol_wrapper(optarg, 16, &strtol_error);
 274         if (strtol_error == true)
 275         {
 276           fprintf(stderr, "Bad value passed via --flag\n");
 277           exit(1);
 278         }
 279         break;
 280       }
 281     case OPT_EXPIRE: /* --expire */
 282       {
 283         bool strtol_error;
 284         opt_expires= (time_t)strtol_wrapper(optarg, 16, &strtol_error);
 285         if (strtol_error == true)
 286         {
 287           fprintf(stderr, "Bad value passed via --flag\n");
 288           exit(1);
 289         }
 290       }
 291     case OPT_SET:
 292       opt_method= OPT_SET;
 293       break;
 294     case OPT_REPLACE:
 295       opt_method= OPT_REPLACE;
 296       break;
 297     case OPT_ADD:
 298       opt_method= OPT_ADD;
 299       break;
 300     case OPT_HASH:
 301       opt_hash= strdup(optarg);
 302       break;
 303     case OPT_USERNAME:
 304       opt_username= optarg;
 305       break;
 306     case OPT_PASSWD:
 307       opt_passwd= optarg;
 308       break;
 309    case '?':
 310       /* getopt_long already printed an error message. */
 311       exit(1);
 312     default:
 313       abort();
 314     }
 315   }
 316 }