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
, void *data
)
14 unsigned int truefalse
= *(unsigned int *)data
;
17 ptr
->flags
|= temp_flag
;
19 ptr
->flags
+= temp_flag
;
22 memcached_return
memcached_behavior_set(memcached_st
*ptr
,
23 memcached_behavior flag
,
28 case MEMCACHED_BEHAVIOR_SUPPORT_CAS
:
29 set_behavior_flag(ptr
, MEM_SUPPORT_CAS
, data
);
31 case MEMCACHED_BEHAVIOR_NO_BLOCK
:
32 set_behavior_flag(ptr
, MEM_NO_BLOCK
, data
);
34 case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS
:
35 set_behavior_flag(ptr
, MEM_BUFFER_REQUESTS
, data
);
38 case MEMCACHED_BEHAVIOR_TCP_NODELAY
:
39 set_behavior_flag(ptr
, MEM_TCP_NODELAY
, data
);
42 case MEMCACHED_BEHAVIOR_DISTRIBUTION
:
43 ptr
->distribution
= *(memcached_server_distribution
*)(data
);
45 case MEMCACHED_BEHAVIOR_HASH
:
46 ptr
->hash
= *(memcached_hash
*)(data
);
48 case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS
:
49 set_behavior_flag(ptr
, MEM_USE_CACHE_LOOKUPS
, data
);
52 case MEMCACHED_BEHAVIOR_VERIFY_KEY
:
53 set_behavior_flag(ptr
, MEM_VERIFY_KEY
, data
);
55 case MEMCACHED_BEHAVIOR_KETAMA
:
56 set_behavior_flag(ptr
, MEM_USE_KETAMA
, data
);
58 case MEMCACHED_BEHAVIOR_SORT_HOSTS
:
59 set_behavior_flag(ptr
, MEM_USE_SORT_HOSTS
, data
);
61 case MEMCACHED_BEHAVIOR_USER_DATA
:
64 case MEMCACHED_BEHAVIOR_POLL_TIMEOUT
:
66 int32_t timeout
= (*((int32_t *)data
));
68 ptr
->poll_timeout
= timeout
;
71 case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE
:
73 ptr
->send_size
= (*((int *)data
));
77 case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE
:
79 ptr
->recv_size
= (*((int *)data
));
87 return MEMCACHED_SUCCESS
;
90 unsigned long long memcached_behavior_get(memcached_st
*ptr
,
91 memcached_behavior flag
)
93 memcached_flags temp_flag
= 0;
97 case MEMCACHED_BEHAVIOR_SUPPORT_CAS
:
98 temp_flag
= MEM_SUPPORT_CAS
;
100 case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS
:
101 temp_flag
= MEM_USE_CACHE_LOOKUPS
;
103 case MEMCACHED_BEHAVIOR_NO_BLOCK
:
104 temp_flag
= MEM_NO_BLOCK
;
106 case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS
:
107 temp_flag
= MEM_BUFFER_REQUESTS
;
109 case MEMCACHED_BEHAVIOR_TCP_NODELAY
:
110 temp_flag
= MEM_TCP_NODELAY
;
112 case MEMCACHED_BEHAVIOR_VERIFY_KEY
:
113 temp_flag
= MEM_VERIFY_KEY
;
115 case MEMCACHED_BEHAVIOR_DISTRIBUTION
:
116 return ptr
->distribution
;
117 case MEMCACHED_BEHAVIOR_HASH
:
119 case MEMCACHED_BEHAVIOR_KETAMA
:
120 temp_flag
= MEM_USE_KETAMA
;
122 case MEMCACHED_BEHAVIOR_SORT_HOSTS
:
123 temp_flag
= MEM_USE_SORT_HOSTS
;
125 case MEMCACHED_BEHAVIOR_USER_DATA
:
127 case MEMCACHED_BEHAVIOR_POLL_TIMEOUT
:
129 return (unsigned long long)ptr
->poll_timeout
;
131 case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE
:
134 socklen_t sock_length
= sizeof(int);
137 /* We just try the first host, and if it is down we return zero */
138 if ((memcached_connect(&ptr
->hosts
[0])) != MEMCACHED_SUCCESS
)
141 if (getsockopt(ptr
->hosts
[0].fd
, SOL_SOCKET
,
142 SO_SNDBUF
, &sock_size
, &sock_length
))
143 return 0; /* Zero means error */
147 case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE
:
150 socklen_t sock_length
= sizeof(int);
153 /* We just try the first host, and if it is down we return zero */
154 if ((memcached_connect(&ptr
->hosts
[0])) != MEMCACHED_SUCCESS
)
157 if (getsockopt(ptr
->hosts
[0].fd
, SOL_SOCKET
,
158 SO_RCVBUF
, &sock_size
, &sock_length
))
159 return 0; /* Zero means error */
165 WATCHPOINT_ASSERT(temp_flag
); /* Programming mistake if it gets this far */
166 if (ptr
->flags
& temp_flag
)
171 return MEMCACHED_SUCCESS
;