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

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <stdint.h>
   4 #include <unistd.h>
   5 #include <getopt.h>
   6 #include <sys/types.h>
   7 #include <sys/stat.h>
   8 #include <sys/types.h>
   9 #include <fcntl.h>
  10 #include <errno.h>
  11 #include <strings.h>
  12 #include <string.h>
  13 #include <assert.h>
  14
  15 #include <memcached.h>
  16 #include "client_options.h"
  17 #include "utilities.h"
  18
  19 #define PROGRAM_NAME "memcp"
  20 #define PROGRAM_DESCRIPTION "Copy a set of files to a memcached cluster."
  21
  22 /* Prototypes */
  23 void options_parse(int argc, char *argv[]);
  24
  25 static int opt_verbose= 0;
  26 static char *opt_servers= NULL;
  27 static int opt_method= OPT_SET;
  28 static uint32_t opt_flags= 0;
  29 static time_t opt_expires= 0;
  30
  31 int main(int argc, char *argv[])
  32 {
  33   memcached_st *memc;
  34   memcached_return rc;
  35   memcached_server_st *servers;
  36
  37   options_parse(argc, argv);
  38
  39   memc= memcached_create(NULL);
  40
  41   if (!opt_servers)
  42   {
  43     char *temp;
  44
  45     if ((temp= getenv("MEMCACHED_SERVERS")))
  46       opt_servers= strdup(temp);
  47     else
  48       exit(1);
  49   }
  50
  51   if (opt_servers)
  52     servers= memcached_servers_parse(opt_servers);
  53   else
  54     servers= memcached_servers_parse(argv[--argc]);
  55
  56   memcached_server_push(memc, servers);
  57   memcached_server_list_free(servers);
  58
  59   while (optind < argc)
  60   {
  61     struct stat sbuf;
  62     int fd;
  63     char *ptr;
  64     ssize_t read_length;
  65     char *file_buffer_ptr;
  66
  67     fd= open(argv[optind], O_RDONLY);
  68     if (fd < 0)
  69     {
  70       fprintf(stderr, "memcp: %s: %s\n", argv[optind], strerror(errno));
  71       optind++;
  72       continue;
  73     }
  74
  75     (void)fstat(fd, &sbuf);
  76
  77     ptr= rindex(argv[optind], '/');
  78     if (ptr)
  79       ptr++;
  80     else
  81       ptr= argv[optind];
  82
  83     if (opt_verbose)
  84     {
  85       static char *opstr[] = { "set", "add", "replace" };
  86       printf("op: %s\nsource file: %s\nlength: %zu\n"
  87              "key: %s\nflags: %x\nexpires: %llu\n",
  88              opstr[opt_method - OPT_SET], argv[optind], (size_t)sbuf.st_size,
  89              ptr, opt_flags, (unsigned long long)opt_expires);
  90     }
  91
  92     if ((file_buffer_ptr= (char *)malloc(sizeof(char) * sbuf.st_size)) == NULL)
  93     {
  94       fprintf(stderr, "malloc: %s\n", strerror(errno));
  95       exit(1);
  96     }
  97
  98     if ((read_length= read(fd, file_buffer_ptr, sbuf.st_size)) == -1)
  99     {
 100       fprintf(stderr, "read: %s\n", strerror(errno));
 101       exit(1);
 102     }
 103     assert(read_length == sbuf.st_size);
 104
 105     if (opt_method == OPT_ADD)
 106       rc= memcached_add(memc, ptr, strlen(ptr),
 107                         file_buffer_ptr, sbuf.st_size,
 108                         opt_expires, opt_flags);
 109     else if (opt_method == OPT_REPLACE)
 110       rc= memcached_replace(memc, ptr, strlen(ptr),
 111                             file_buffer_ptr, sbuf.st_size,
 112                             opt_expires, opt_flags);
 113     else
 114       rc= memcached_set(memc, ptr, strlen(ptr),
 115                         file_buffer_ptr, sbuf.st_size,
 116                         opt_expires, opt_flags);
 117
 118     if (rc != MEMCACHED_SUCCESS)
 119     {
 120       fprintf(stderr, "memcp: %s: memcache error %s",
 121               ptr, memcached_strerror(memc, rc));
 122       if (memc->cached_errno)
 123         fprintf(stderr, " system error %s", strerror(memc->cached_errno));
 124       fprintf(stderr, "\n");
 125     }
 126
 127     free(file_buffer_ptr);
 128     close(fd);
 129     optind++;
 130   }
 131
 132   memcached_free(memc);
 133
 134   free(opt_servers);
 135
 136   return 0;
 137 }
 138
 139 void options_parse(int argc, char *argv[])
 140 {
 141   int option_index= 0;
 142   int option_rv;
 143
 144   memcached_programs_help_st help_options[]=
 145   {
 146     {0},
 147   };
 148
 149   static struct option long_options[]=
 150     {
 151       {"version", no_argument, NULL, OPT_VERSION},
 152       {"help", no_argument, NULL, OPT_HELP},
 153       {"verbose", no_argument, &opt_verbose, OPT_VERBOSE},
 154       {"debug", no_argument, &opt_verbose, OPT_DEBUG},
 155       {"servers", required_argument, NULL, OPT_SERVERS},
 156       {"flag", required_argument, NULL, OPT_FLAG},
 157       {"expire", required_argument, NULL, OPT_EXPIRE},
 158       {"set",  no_argument, NULL, OPT_SET},
 159       {"add",  no_argument, NULL, OPT_ADD},
 160       {"replace",  no_argument, NULL, OPT_REPLACE},
 161       {0, 0, 0, 0},
 162     };
 163
 164   while (1)
 165   {
 166     option_rv= getopt_long(argc, argv, "Vhvds:", long_options, &option_index);
 167
 168     if (option_rv == -1) break;
 169
 170     switch (option_rv)
 171     {
 172     case 0:
 173       break;
 174     case OPT_VERBOSE: /* --verbose or -v */
 175       opt_verbose = OPT_VERBOSE;
 176       break;
 177     case OPT_DEBUG: /* --debug or -d */
 178       opt_verbose = OPT_DEBUG;
 179       break;
 180     case OPT_VERSION: /* --version or -V */
 181       version_command(PROGRAM_NAME);
 182       break;
 183     case OPT_HELP: /* --help or -h */
 184       help_command(PROGRAM_NAME, PROGRAM_DESCRIPTION, long_options, help_options);
 185       break;
 186     case OPT_SERVERS: /* --servers or -s */
 187       opt_servers= strdup(optarg);
 188       break;
 189     case OPT_FLAG: /* --flag */
 190       opt_flags= (uint32_t)strtol(optarg, (char **)NULL, 16);
 191       break;
 192     case OPT_EXPIRE: /* --expire */
 193       opt_expires= (time_t)strtoll(optarg, (char **)NULL, 10);
 194       break;
 195     case OPT_SET:
 196       opt_method= OPT_SET;
 197       break;
 198     case OPT_REPLACE:
 199       opt_method= OPT_REPLACE;
 200       break;
 201     case OPT_ADD:
 202       opt_method= OPT_ADD;
 203       break;
 204     case '?':
 205       /* getopt_long already printed an error message. */
 206       exit(1);
 207     default:
 208       abort();
 209     }
 210   }
 211 }