git.m6w6.name Git - m6w6/libmemcached/blob - libmemcached/key.cc

   1 /*  vim:expandtab:shiftwidth=2:tabstop=2:smarttab:
   2  *
   3  *  Libmemcached library
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
   6  *  Copyright (C) 2006-2009 Brian Aker All rights reserved.
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  37
  38 #include <libmemcached/common.h>
  39
  40 memcached_return_t memcached_key_test(memcached_st &memc,
  41                                       const char * const *keys,
  42                                       const size_t *key_length,
  43                                       size_t number_of_keys)
  44 {
  45   if (keys == NULL or key_length == NULL)
  46   {
  47     return memcached_set_error(memc, MEMCACHED_BAD_KEY_PROVIDED, MEMCACHED_AT, memcached_literal_param("Key was NULL or length of key was zero."));
  48   }
  49
  50   // If we don't need to verify the key, or we are using the binary protoocol,
  51   // we just check the size of the key
  52   if (memc.flags.verify_key == false or memc.flags.binary_protocol == true)
  53   {
  54     for (size_t x= 0; x < number_of_keys; x++)
  55     {
  56       // We should set binary key, but the memcached server is broken for
  57       // longer keys at the moment.
  58       memcached_return_t rc= memcached_validate_key_length(*(key_length +x), false /* memc.flags.binary_protocol */);
  59       if (memcached_failed(rc))
  60       {
  61         return memcached_set_error(memc, rc, MEMCACHED_AT, memcached_literal_param("Key provided was too long."));
  62       }
  63     }
  64
  65     return MEMCACHED_SUCCESS;
  66   }
  67
  68   for (size_t x= 0; x < number_of_keys; x++)
  69   {
  70     memcached_return_t rc= memcached_validate_key_length(*(key_length + x), false);
  71     if (memcached_failed(rc))
  72     {
  73       return memcached_set_error(memc, rc, MEMCACHED_AT, memcached_literal_param("Key provided was too long."));
  74     }
  75
  76     for (size_t y= 0; y < *(key_length + x); y++)
  77     {
  78       if ((isgraph(keys[x][y])) == 0)
  79       {
  80         return memcached_set_error(memc, MEMCACHED_BAD_KEY_PROVIDED, MEMCACHED_AT, memcached_literal_param("Key provided had invalid character."));
  81       }
  82     }
  83   }
  84
  85   return MEMCACHED_SUCCESS;
  86 }
  87