git.m6w6.name Git - awesomized/libmemcached/blob - libmemcached/namespace.cc

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   2  *
   3  *  Libmemcached library
   4  *
   5  *  Copyright (C) 2011 Data Differential, http://datadifferential.com/
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  37
  38 #include "libmemcached/common.h"
  39 #include "libmemcached/assert.hpp"
  40
  41 memcached_return_t memcached_set_namespace(Memcached& memc, const char *key, size_t key_length)
  42 {
  43   if (key and key_length == 0)
  44   {
  45     WATCHPOINT_ASSERT(key_length);
  46     return memcached_set_error(memc, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, memcached_literal_param("Invalid namespace, namespace string had value but length was 0"));
  47   }
  48   else if (key_length and key == NULL)
  49   {
  50     WATCHPOINT_ASSERT(key);
  51     return memcached_set_error(memc, MEMCACHED_INVALID_ARGUMENTS, MEMCACHED_AT, memcached_literal_param("Invalid namespace, namespace string length was > 1 but namespace string was null "));
  52   }
  53   else if (key and key_length)
  54   {
  55     bool orig= memc.flags.verify_key;
  56     memc.flags.verify_key= true;
  57     if (memcached_failed(memcached_key_test(memc, (const char **)&key, &key_length, 1)))
  58     {
  59       memc.flags.verify_key= orig;
  60       return memcached_last_error(&memc);
  61     }
  62     memc.flags.verify_key= orig;
  63
  64     if ((key_length > MEMCACHED_PREFIX_KEY_MAX_SIZE -1))
  65     {
  66       return memcached_set_error(memc, MEMCACHED_KEY_TOO_BIG, MEMCACHED_AT);
  67     }
  68
  69     memcached_array_free(memc._namespace);
  70     memc._namespace= memcached_strcpy(&memc, key, key_length);
  71
  72     if (memc._namespace == NULL)
  73     {
  74       return memcached_set_error(memc, MEMCACHED_MEMORY_ALLOCATION_FAILURE, MEMCACHED_AT);
  75     }
  76   }
  77   else
  78   {
  79     memcached_array_free(memc._namespace);
  80     memc._namespace= NULL;
  81   }
  82
  83   return MEMCACHED_SUCCESS;
  84 }
  85
  86 const char * memcached_get_namespace(Memcached& memc)
  87 {
  88   if (memc._namespace == NULL)
  89   {
  90     return NULL;
  91   }
  92
  93   return memcached_array_string(memc._namespace);
  94 }