Drizzled Public API Documentation

memc_get_by_key.cc
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4  * Copyright (C) 2009, Patrick "CaptTofu" Galbraith, Padraig O'Sullivan
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31 
32 #include <config.h>
33 #include <drizzled/function/str/strfunc.h>
34 
35 #include "memcached_functions.h"
36 #include "memc_get_by_key.h"
37 
38 #include <libmemcached/memcached.h>
39 
40 #include <string>
41 
42 using namespace std;
43 using namespace drizzled;
44 
46 {
47  memcached_return rc;
48  String *master_key;
49  String *key;
50  uint32_t flags;
51  size_t val_len;
52 
53  if (arg_count != 2 ||
54  ! (master_key= args[0]->val_str(str)) ||
55  ! (key= args[1]->val_str(str)) ||
56  ! memc)
57  {
58  return &failure_buff;
59  }
60 
61  char *value= memcached_get_by_key(memc,
62  master_key->c_ptr(),
63  master_key->length(),
64  key->c_ptr(), key->length(),
65  &val_len, &flags, &rc);
66  if (rc != MEMCACHED_SUCCESS)
67  {
68  null_value= true;
69  return NULL;
70  }
71 
72  buffer.realloc(val_len);
73  buffer.length(val_len);
74  memcpy(buffer.ptr(), value, val_len);
75  free(value);
76 
77  return &buffer;
78 }
79