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_t 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,
  66                          (uint64_t)opt_binary);
  67
  68   while (optind < argc)
  69   {
  70     struct stat sbuf;
  71     int fd;
  72     char *ptr;
  73     ssize_t read_length;
  74     char *file_buffer_ptr;
  75
  76     fd= open(argv[optind], O_RDONLY);
  77     if (fd < 0)
  78     {
  79       fprintf(stderr, "memcp: %s: %s\n", argv[optind], strerror(errno));
  80       optind++;
  81       continue;
  82     }
  83
  84     (void)fstat(fd, &sbuf);
  85
  86     ptr= rindex(argv[optind], '/');
  87     if (ptr)
  88       ptr++;
  89     else
  90       ptr= argv[optind];
  91
  92     if (opt_verbose)
  93     {
  94       static const char *opstr[] = { "set", "add", "replace" };
  95       printf("op: %s\nsource file: %s\nlength: %zu\n"
  96              "key: %s\nflags: %x\nexpires: %llu\n",
  97              opstr[opt_method - OPT_SET], argv[optind], (size_t)sbuf.st_size,
  98              ptr, opt_flags, (unsigned long long)opt_expires);
  99     }
 100
 101     if ((file_buffer_ptr= (char *)malloc(sizeof(char) * (size_t)sbuf.st_size)) == NULL)
 102     {
 103       fprintf(stderr, "malloc: %s\n", strerror(errno));
 104       exit(1);
 105     }
 106
 107     if ((read_length= read(fd, file_buffer_ptr, (size_t)sbuf.st_size)) == -1)
 108     {
 109       fprintf(stderr, "read: %s\n", strerror(errno));
 110       exit(1);
 111     }
 112
 113     if (read_length != sbuf.st_size)
 114     {
 115       fprintf(stderr, "Failure reading from file\n");
 116       exit(1);
 117     }
 118
 119     if (opt_method == OPT_ADD)
 120       rc= memcached_add(memc, ptr, strlen(ptr),
 121                         file_buffer_ptr, (size_t)sbuf.st_size,
 122                         opt_expires, opt_flags);
 123     else if (opt_method == OPT_REPLACE)
 124       rc= memcached_replace(memc, ptr, strlen(ptr),
 125                             file_buffer_ptr, (size_t)sbuf.st_size,
 126                             opt_expires, opt_flags);
 127     else
 128       rc= memcached_set(memc, ptr, strlen(ptr),
 129                         file_buffer_ptr, (size_t)sbuf.st_size,
 130                         opt_expires, opt_flags);
 131
 132     if (rc != MEMCACHED_SUCCESS)
 133     {
 134       fprintf(stderr, "memcp: %s: memcache error %s",
 135               ptr, memcached_strerror(memc, rc));
 136       if (memc->cached_errno)
 137         fprintf(stderr, " system error %s", strerror(memc->cached_errno));
 138       fprintf(stderr, "\n");
 139     }
 140
 141     free(file_buffer_ptr);
 142     close(fd);
 143     optind++;
 144   }
 145
 146   memcached_free(memc);
 147
 148   if (opt_servers)
 149     free(opt_servers);
 150   if (opt_hash)
 151     free(opt_hash);
 152
 153   return 0;
 154 }
 155
 156 void options_parse(int argc, char *argv[])
 157 {
 158   int option_index= 0;
 159   int option_rv;
 160
 161   memcached_programs_help_st help_options[]=
 162   {
 163     {0},
 164   };
 165
 166   static struct option long_options[]=
 167     {
 168       {(OPTIONSTRING)"version", no_argument, NULL, OPT_VERSION},
 169       {(OPTIONSTRING)"help", no_argument, NULL, OPT_HELP},
 170       {(OPTIONSTRING)"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 171       {(OPTIONSTRING)"debug", no_argument, &opt_verbose, OPT_DEBUG},
 172       {(OPTIONSTRING)"servers", required_argument, NULL, OPT_SERVERS},
 173       {(OPTIONSTRING)"flag", required_argument, NULL, OPT_FLAG},
 174       {(OPTIONSTRING)"expire", required_argument, NULL, OPT_EXPIRE},
 175       {(OPTIONSTRING)"set",  no_argument, NULL, OPT_SET},
 176       {(OPTIONSTRING)"add",  no_argument, NULL, OPT_ADD},
 177       {(OPTIONSTRING)"replace",  no_argument, NULL, OPT_REPLACE},
 178       {(OPTIONSTRING)"hash", required_argument, NULL, OPT_HASH},
 179       {(OPTIONSTRING)"binary", no_argument, NULL, OPT_BINARY},
 180       {0, 0, 0, 0},
 181     };
 182
 183   while (1)
 184   {
 185     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 186
 187     if (option_rv == -1) break;
 188
 189     switch (option_rv)
 190     {
 191     case 0:
 192       break;
 193     case OPT_BINARY:
 194       opt_binary = 1;
 195       break;
 196     case OPT_VERBOSE: /* --verbose or -v */
 197       opt_verbose = OPT_VERBOSE;
 198       break;
 199     case OPT_DEBUG: /* --debug or -d */
 200       opt_verbose = OPT_DEBUG;
 201       break;
 202     case OPT_VERSION: /* --version or -V */
 203       version_command(PROGRAM_NAME);
 204       break;
 205     case OPT_HELP: /* --help or -h */
 206       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 207       break;
 208     case OPT_SERVERS: /* --servers or -s */
 209       opt_servers= strdup(optarg);
 210       break;
 211     case OPT_FLAG: /* --flag */
 212       opt_flags= (uint32_t)strtol(optarg, (char **)NULL, 16);
 213       break;
 214     case OPT_EXPIRE: /* --expire */
 215       opt_expires= (time_t)strtoll(optarg, (char **)NULL, 10);
 216       break;
 217     case OPT_SET:
 218       opt_method= OPT_SET;
 219       break;
 220     case OPT_REPLACE:
 221       opt_method= OPT_REPLACE;
 222       break;
 223     case OPT_ADD:
 224       opt_method= OPT_ADD;
 225       break;
 226     case OPT_HASH:
 227       opt_hash= strdup(optarg);
 228       break;
 229     case '?':
 230       /* getopt_long already printed an error message. */
 231       exit(1);
 232     default:
 233       abort();
 234     }
 235   }
 236 }