3 #include <sys/socket.h>
4 #include <netinet/tcp.h>
7 This function is used to modify the behabior of running client.
9 We quit all connections so we can reset the sockets.
12 void set_behavior_flag(memcached_st
*ptr
, memcached_flags temp_flag
, uint64_t data
)
15 ptr
->flags
|= temp_flag
;
17 ptr
->flags
&= ~temp_flag
;
20 memcached_return
memcached_behavior_set(memcached_st
*ptr
,
21 memcached_behavior flag
,
26 case MEMCACHED_BEHAVIOR_SUPPORT_CAS
:
27 set_behavior_flag(ptr
, MEM_SUPPORT_CAS
, data
);
29 case MEMCACHED_BEHAVIOR_NO_BLOCK
:
30 set_behavior_flag(ptr
, MEM_NO_BLOCK
, data
);
32 case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS
:
33 set_behavior_flag(ptr
, MEM_BUFFER_REQUESTS
, data
);
36 case MEMCACHED_BEHAVIOR_TCP_NODELAY
:
37 set_behavior_flag(ptr
, MEM_TCP_NODELAY
, data
);
40 case MEMCACHED_BEHAVIOR_DISTRIBUTION
:
42 ptr
->distribution
= (memcached_server_distribution
)(data
);
43 run_distribution(ptr
);
46 case MEMCACHED_BEHAVIOR_KETAMA
:
50 ptr
->hash
= MEMCACHED_HASH_MD5
;
51 ptr
->distribution
= MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA
;
58 run_distribution(ptr
);
61 case MEMCACHED_BEHAVIOR_HASH
:
62 ptr
->hash
= (memcached_hash
)(data
);
64 case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS
:
65 set_behavior_flag(ptr
, MEM_USE_CACHE_LOOKUPS
, data
);
68 case MEMCACHED_BEHAVIOR_VERIFY_KEY
:
69 set_behavior_flag(ptr
, MEM_VERIFY_KEY
, data
);
71 case MEMCACHED_BEHAVIOR_SORT_HOSTS
:
73 set_behavior_flag(ptr
, MEM_USE_SORT_HOSTS
, data
);
74 run_distribution(ptr
);
78 case MEMCACHED_BEHAVIOR_POLL_TIMEOUT
:
79 ptr
->poll_timeout
= (int32_t)data
;
81 case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT
:
82 ptr
->connect_timeout
= (int32_t)data
;
84 case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT
:
85 ptr
->retry_timeout
= (int32_t)data
;
87 case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE
:
88 ptr
->send_size
= (int32_t)data
;
91 case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE
:
92 ptr
->recv_size
= (int32_t)data
;
95 case MEMCACHED_BEHAVIOR_USER_DATA
:
96 return MEMCACHED_FAILURE
;
99 return MEMCACHED_SUCCESS
;
102 uint64_t memcached_behavior_get(memcached_st
*ptr
,
103 memcached_behavior flag
)
105 memcached_flags temp_flag
= 0;
109 case MEMCACHED_BEHAVIOR_SUPPORT_CAS
:
110 temp_flag
= MEM_SUPPORT_CAS
;
112 case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS
:
113 temp_flag
= MEM_USE_CACHE_LOOKUPS
;
115 case MEMCACHED_BEHAVIOR_NO_BLOCK
:
116 temp_flag
= MEM_NO_BLOCK
;
118 case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS
:
119 temp_flag
= MEM_BUFFER_REQUESTS
;
121 case MEMCACHED_BEHAVIOR_TCP_NODELAY
:
122 temp_flag
= MEM_TCP_NODELAY
;
124 case MEMCACHED_BEHAVIOR_VERIFY_KEY
:
125 temp_flag
= MEM_VERIFY_KEY
;
127 case MEMCACHED_BEHAVIOR_DISTRIBUTION
:
128 return ptr
->distribution
;
129 case MEMCACHED_BEHAVIOR_KETAMA
:
130 return (ptr
->distribution
== MEMCACHED_DISTRIBUTION_CONSISTENT_KETAMA
&& ptr
->hash
== MEMCACHED_HASH_MD5
) ? 1 : 0;
131 case MEMCACHED_BEHAVIOR_HASH
:
133 case MEMCACHED_BEHAVIOR_SORT_HOSTS
:
134 temp_flag
= MEM_USE_SORT_HOSTS
;
136 case MEMCACHED_BEHAVIOR_POLL_TIMEOUT
:
138 return (unsigned long long)ptr
->poll_timeout
;
140 case MEMCACHED_BEHAVIOR_CONNECT_TIMEOUT
:
142 return (unsigned long long)ptr
->connect_timeout
;
144 case MEMCACHED_BEHAVIOR_RETRY_TIMEOUT
:
146 return (unsigned long long)ptr
->retry_timeout
;
148 case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE
:
151 socklen_t sock_length
= sizeof(int);
154 /* We just try the first host, and if it is down we return zero */
155 if ((memcached_connect(&ptr
->hosts
[0])) != MEMCACHED_SUCCESS
)
158 if (getsockopt(ptr
->hosts
[0].fd
, SOL_SOCKET
,
159 SO_SNDBUF
, &sock_size
, &sock_length
))
160 return 0; /* Zero means error */
164 case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE
:
167 socklen_t sock_length
= sizeof(int);
170 /* We just try the first host, and if it is down we return zero */
171 if ((memcached_connect(&ptr
->hosts
[0])) != MEMCACHED_SUCCESS
)
174 if (getsockopt(ptr
->hosts
[0].fd
, SOL_SOCKET
,
175 SO_RCVBUF
, &sock_size
, &sock_length
))
176 return 0; /* Zero means error */
180 case MEMCACHED_BEHAVIOR_USER_DATA
:
181 return MEMCACHED_FAILURE
;
184 WATCHPOINT_ASSERT(temp_flag
); /* Programming mistake if it gets this far */
185 if (ptr
->flags
& temp_flag
)
190 return MEMCACHED_SUCCESS
;