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

   1 #include <stdio.h>
   2 #include <ctype.h>
   3 #include <string.h>
   4 #include "utilities.h"
   5
   6
   7 long int timedif(struct timeval a, struct timeval b)
   8 {
   9   register int us, s;
  10
  11   us = a.tv_usec - b.tv_usec;
  12   us /= 1000;
  13   s = a.tv_sec - b.tv_sec;
  14   s *= 1000;
  15   return s + us;
  16 }
  17
  18 void version_command(char *command_name)
  19 {
  20   printf("%s v%u.%u\n", command_name, 1, 0);
  21   exit(0);
  22 }
  23
  24 char *lookup_help(memcached_options option)
  25 {
  26   switch (option)
  27   {
  28   case OPT_SERVERS: return("List which servers you wish to connect to.");
  29   case OPT_VERSION: return("Display the version of the application and then exit.");
  30   case OPT_HELP: return("Diplay this message and then exit.");
  31   case OPT_VERBOSE: return("Give more details on the progression of the application.");
  32   case OPT_DEBUG: return("Provide output only useful for debugging.");
  33   case OPT_FLAG: return("Provide flag information for storage operation.");
  34   case OPT_EXPIRE: return("Set the expire option for the object.");
  35   case OPT_SET: return("Use set command with memcached when storing.");
  36   case OPT_REPLACE: return("Use replace command with memcached when storing.");
  37   case OPT_ADD: return("Use add command with memcached when storing.");
  38   case OPT_SLAP_EXECUTE_NUMBER: return("Number of times to execute the given test.");
  39   case OPT_SLAP_INITIAL_LOAD: return("Number of key pairs to load before executing tests.");
  40   case OPT_SLAP_TEST: return("Test to run.");
  41   case OPT_SLAP_CONCURRENCY: return("Number of users to simulate with load.");
  42   case OPT_SLAP_NON_BLOCK: return("Set TCP up to use non-blocking IO.");
  43   case OPT_SLAP_TCP_NODELAY: return("Set TCP socket up to use nodelay.");
  44   case OPT_FLUSH: return("Flush servers before running tests.");
  45   case OPT_HASH: return("Select hash type.");
  46   };
  47
  48   WATCHPOINT_ASSERT(0);
  49   return "forgot to document this function :)";
  50 }
  51
  52 void help_command(char *command_name, char *description,
  53                   const struct option *long_options,
  54                   memcached_programs_help_st *options)
  55 {
  56   unsigned int x;
  57
  58   printf("%s v%u.%u\n\n", command_name, 1, 0);
  59   printf("\t%s\n\n", description);
  60   printf("Current options. A '=' means the option takes a value.\n\n");
  61
  62   for (x= 0; long_options[x].name; x++)
  63   {
  64     char *help_message;
  65
  66     printf("\t --%s%c\n", long_options[x].name,
  67            long_options[x].has_arg ? '=' : ' ');
  68     if ((help_message= lookup_help(long_options[x].val)))
  69       printf("\t\t%s\n", help_message);
  70   }
  71
  72   printf("\n");
  73   exit(0);
  74 }
  75
  76 void process_hash_option(memcached_st *memc, char *opt_hash)
  77 {
  78   uint64_t set;
  79   memcached_return rc;
  80
  81   if (opt_hash == NULL)
  82     return;
  83
  84   if (!strcasecmp(opt_hash, "CRC"))
  85     set= MEMCACHED_HASH_CRC;
  86   else if (!strcasecmp(opt_hash, "FNV1_64"))
  87     set= MEMCACHED_HASH_FNV1_64;
  88   else if (!strcasecmp(opt_hash, "FNV1A_64"))
  89     set= MEMCACHED_HASH_FNV1A_64;
  90   else if (!strcasecmp(opt_hash, "FNV1_32"))
  91     set= MEMCACHED_HASH_FNV1_32;
  92   else if (!strcasecmp(opt_hash, "FNV1A_32"))
  93     set= MEMCACHED_HASH_FNV1A_32;
  94   else if (!strcasecmp(opt_hash, "KETAMA"))
  95     set= MEMCACHED_HASH_KETAMA;
  96   else
  97   {
  98     fprintf(stderr, "hash: type not recognized %s\n", opt_hash);
  99     exit(1);
 100   }
 101
 102   rc= memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_HASH, set);
 103   if (rc != MEMCACHED_SUCCESS)
 104   {
 105     fprintf(stderr, "hash: memcache error %s\n", memcached_strerror(memc, rc));
 106     exit(1);
 107   }
 108 }
 109