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 "libmemcached/common.h"
  13 #include <stdio.h>
  14 #include <stdlib.h>
  15 #include <inttypes.h>
  16 #include <unistd.h>
  17 #include <getopt.h>
  18 #include <sys/types.h>
  19 #include <sys/stat.h>
  20 #include <sys/types.h>
  21 #include <fcntl.h>
  22 #include <errno.h>
  23 #include <strings.h>
  24 #include <string.h>
  25
  26 #include <libmemcached/memcached.h>
  27
  28 #include "client_options.h"
  29 #include "utilities.h"
  30
  31 #define PROGRAM_NAME "memcp"
  32 #define PROGRAM_DESCRIPTION "Copy a set of files to a memcached cluster."
  33
  34 /* Prototypes */
  35 void options_parse(int argc, char *argv[]);
  36
  37 static int opt_binary=0;
  38 static int opt_verbose= 0;
  39 static char *opt_servers= NULL;
  40 static char *opt_hash= NULL;
  41 static int opt_method= OPT_SET;
  42 static uint32_t opt_flags= 0;
  43 static time_t opt_expires= 0;
  44
  45 int main(int argc, char *argv[])
  46 {
  47   memcached_st *memc;
  48   memcached_return_t rc;
  49   memcached_server_st *servers;
  50
  51   options_parse(argc, argv);
  52
  53   memc= memcached_create(NULL);
  54   process_hash_option(memc, opt_hash);
  55
  56   if (!opt_servers)
  57   {
  58     char *temp;
  59
  60     if ((temp= getenv("MEMCACHED_SERVERS")))
  61       opt_servers= strdup(temp);
  62     else
  63     {
  64       fprintf(stderr, "No Servers provided\n");
  65       exit(1);
  66     }
  67   }
  68
  69   if (opt_servers)
  70     servers= memcached_servers_parse(opt_servers);
  71   else
  72     servers= memcached_servers_parse(argv[--argc]);
  73
  74   memcached_server_push(memc, servers);
  75   memcached_server_list_free(servers);
  76   memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL,
  77                          (uint64_t)opt_binary);
  78
  79   while (optind < argc)
  80   {
  81     struct stat sbuf;
  82     int fd;
  83     char *ptr;
  84     ssize_t read_length;
  85     char *file_buffer_ptr;
  86
  87     fd= open(argv[optind], O_RDONLY);
  88     if (fd < 0)
  89     {
  90       fprintf(stderr, "memcp: %s: %s\n", argv[optind], strerror(errno));
  91       optind++;
  92       continue;
  93     }
  94
  95     (void)fstat(fd, &sbuf);
  96
  97     ptr= rindex(argv[optind], '/');
  98     if (ptr)
  99       ptr++;
 100     else
 101       ptr= argv[optind];
 102
 103     if (opt_verbose)
 104     {
 105       static const char *opstr[] = { "set", "add", "replace" };
 106       printf("op: %s\nsource file: %s\nlength: %zu\n"
 107              "key: %s\nflags: %x\nexpires: %llu\n",
 108              opstr[opt_method - OPT_SET], argv[optind], (size_t)sbuf.st_size,
 109              ptr, opt_flags, (unsigned long long)opt_expires);
 110     }
 111
 112     if ((file_buffer_ptr= (char *)malloc(sizeof(char) * (size_t)sbuf.st_size)) == NULL)
 113     {
 114       fprintf(stderr, "malloc: %s\n", strerror(errno));
 115       exit(1);
 116     }
 117
 118     if ((read_length= read(fd, file_buffer_ptr, (size_t)sbuf.st_size)) == -1)
 119     {
 120       fprintf(stderr, "read: %s\n", strerror(errno));
 121       exit(1);
 122     }
 123
 124     if (read_length != sbuf.st_size)
 125     {
 126       fprintf(stderr, "Failure reading from file\n");
 127       exit(1);
 128     }
 129
 130     if (opt_method == OPT_ADD)
 131       rc= memcached_add(memc, ptr, strlen(ptr),
 132                         file_buffer_ptr, (size_t)sbuf.st_size,
 133                         opt_expires, opt_flags);
 134     else if (opt_method == OPT_REPLACE)
 135       rc= memcached_replace(memc, ptr, strlen(ptr),
 136                             file_buffer_ptr, (size_t)sbuf.st_size,
 137                             opt_expires, opt_flags);
 138     else
 139       rc= memcached_set(memc, ptr, strlen(ptr),
 140                         file_buffer_ptr, (size_t)sbuf.st_size,
 141                         opt_expires, opt_flags);
 142
 143     if (rc != MEMCACHED_SUCCESS)
 144     {
 145       fprintf(stderr, "memcp: %s: memcache error %s",
 146               ptr, memcached_strerror(memc, rc));
 147       if (memc->cached_errno)
 148         fprintf(stderr, " system error %s", strerror(memc->cached_errno));
 149       fprintf(stderr, "\n");
 150     }
 151
 152     free(file_buffer_ptr);
 153     close(fd);
 154     optind++;
 155   }
 156
 157   memcached_free(memc);
 158
 159   if (opt_servers)
 160     free(opt_servers);
 161   if (opt_hash)
 162     free(opt_hash);
 163
 164   return 0;
 165 }
 166
 167 void options_parse(int argc, char *argv[])
 168 {
 169   int option_index= 0;
 170   int option_rv;
 171
 172   memcached_programs_help_st help_options[]=
 173   {
 174     {0},
 175   };
 176
 177   static struct option long_options[]=
 178     {
 179       {(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
 180       {(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
 181       {(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 182       {(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
 183       {(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
 184       {(OPTIONSTRING)"flag", required_argument, NULL, OPT_FLAG},
 185       {(OPTIONSTRING)"expire", required_argument, NULL, OPT_EXPIRE},
 186       {(OPTIONSTRING)"set",  no_argument, NULL, OPT_SET},
 187       {(OPTIONSTRING)"add",  no_argument, NULL, OPT_ADD},
 188       {(OPTIONSTRING)"replace",  no_argument, NULL, OPT_REPLACE},
 189       {(OPTIONSTRING)"hash", required_argument, NULL, OPT_HASH},
 190       {(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
 191       {0, 0, 0, 0},
 192     };
 193
 194   while (1)
 195   {
 196     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 197
 198     if (option_rv == -1) break;
 199
 200     switch (option_rv)
 201     {
 202     case 0:
 203       break;
 204     case OPT_BINARY:
 205       opt_binary = 1;
 206       break;
 207     case OPT_VERBOSE: /* --verbose or -v */
 208       opt_verbose = OPT_VERBOSE;
 209       break;
 210     case OPT_DEBUG: /* --debug or -d */
 211       opt_verbose = OPT_DEBUG;
 212       break;
 213     case OPT_VERSION: /* --version or -V */
 214       version_command(PROGRAM_NAME);
 215       break;
 216     case OPT_HELP: /* --help or -h */
 217       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 218       break;
 219     case OPT_SERVERS: /* --servers or -s */
 220       opt_servers= strdup(optarg);
 221       break;
 222     case OPT_FLAG: /* --flag */
 223       opt_flags= (uint32_t)strtol(optarg, (char **)NULL, 16);
 224       break;
 225     case OPT_EXPIRE: /* --expire */
 226       opt_expires= (time_t)strtoll(optarg, (char **)NULL, 10);
 227       break;
 228     case OPT_SET:
 229       opt_method= OPT_SET;
 230       break;
 231     case OPT_REPLACE:
 232       opt_method= OPT_REPLACE;
 233       break;
 234     case OPT_ADD:
 235       opt_method= OPT_ADD;
 236       break;
 237     case OPT_HASH:
 238       opt_hash= strdup(optarg);
 239       break;
 240     case '?':
 241       /* getopt_long already printed an error message. */
 242       exit(1);
 243     default:
 244       abort();
 245     }
 246   }
 247 }