MEMCACHED_BAD_KEY_PROVIDED has been added as an error type. When libmemcached
[m6w6/libmemcached] / lib / memcached.c
1 /*
2 Memcached library
3 */
4 #include "common.h"
5
6 memcached_st *memcached_create(memcached_st *ptr)
7 {
8 memcached_result_st *result_ptr;
9
10 if (ptr == NULL)
11 {
12 ptr= (memcached_st *)malloc(sizeof(memcached_st));
13
14 if (!ptr)
15 return NULL; /* MEMCACHED_MEMORY_ALLOCATION_FAILURE */
16
17 memset(ptr, 0, sizeof(memcached_st));
18 ptr->is_allocated= MEMCACHED_ALLOCATED;
19 }
20 else
21 {
22 memset(ptr, 0, sizeof(memcached_st));
23 }
24 result_ptr= memcached_result_create(ptr, &ptr->result);
25 WATCHPOINT_ASSERT(result_ptr);
26 ptr->poll_timeout= MEMCACHED_DEFAULT_TIMEOUT;
27 ptr->distribution= MEMCACHED_DISTRIBUTION_MODULA;
28
29 return ptr;
30 }
31
32 void memcached_free(memcached_st *ptr)
33 {
34 /* If we have anything open, lets close it now */
35 memcached_quit(ptr);
36 server_list_free(ptr, ptr->hosts);
37 memcached_result_free(&ptr->result);
38
39 if (ptr->on_cleanup)
40 ptr->on_cleanup(ptr);
41
42 if (ptr->is_allocated == MEMCACHED_ALLOCATED)
43 {
44 if (ptr->call_free)
45 ptr->call_free(ptr, ptr);
46 else
47 free(ptr);
48 }
49 else
50 ptr->is_allocated= MEMCACHED_USED;
51 }
52
53 /*
54 clone is the destination, while ptr is the structure to clone.
55 If ptr is NULL the call is the same as if a memcached_create() was
56 called.
57 */
58 memcached_st *memcached_clone(memcached_st *clone, memcached_st *ptr)
59 {
60 memcached_return rc= MEMCACHED_SUCCESS;
61 memcached_st *new_clone;
62
63 if (ptr == NULL)
64 return memcached_create(clone);
65
66 if (ptr->is_allocated == MEMCACHED_USED)
67 {
68 WATCHPOINT_ASSERT(0);
69 return NULL;
70 }
71
72 new_clone= memcached_create(clone);
73
74 if (new_clone == NULL)
75 return NULL;
76
77 if (ptr->hosts)
78 rc= memcached_server_push(new_clone, ptr->hosts);
79
80 if (rc != MEMCACHED_SUCCESS)
81 {
82 memcached_free(new_clone);
83
84 return NULL;
85 }
86
87
88 new_clone->flags= ptr->flags;
89 new_clone->send_size= ptr->send_size;
90 new_clone->recv_size= ptr->recv_size;
91 new_clone->poll_timeout= ptr->poll_timeout;
92 new_clone->distribution= ptr->distribution;
93 new_clone->hash= ptr->hash;
94 new_clone->user_data= ptr->user_data;
95
96 new_clone->on_clone= ptr->on_clone;
97 new_clone->on_cleanup= ptr->on_cleanup;
98 new_clone->call_free= ptr->call_free;
99 new_clone->call_malloc= ptr->call_malloc;
100 new_clone->call_realloc= ptr->call_realloc;
101
102 if (ptr->on_clone)
103 ptr->on_clone(ptr, new_clone);
104
105 return new_clone;
106 }