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
)
17 truefalse
= *(unsigned int *)data
;
22 ptr
->flags
|= temp_flag
;
24 ptr
->flags
+= temp_flag
;
27 memcached_return
memcached_behavior_set(memcached_st
*ptr
,
28 memcached_behavior flag
,
33 case MEMCACHED_BEHAVIOR_SUPPORT_CAS
:
34 set_behavior_flag(ptr
, MEM_SUPPORT_CAS
, data
);
36 case MEMCACHED_BEHAVIOR_NO_BLOCK
:
37 set_behavior_flag(ptr
, MEM_NO_BLOCK
, data
);
39 case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS
:
40 set_behavior_flag(ptr
, MEM_BUFFER_REQUESTS
, data
);
43 case MEMCACHED_BEHAVIOR_TCP_NODELAY
:
44 set_behavior_flag(ptr
, MEM_TCP_NODELAY
, data
);
47 case MEMCACHED_BEHAVIOR_DISTRIBUTION
:
48 ptr
->distribution
= *(memcached_server_distribution
*)(data
);
50 case MEMCACHED_BEHAVIOR_HASH
:
51 ptr
->hash
= *(memcached_hash
*)(data
);
53 case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS
:
54 set_behavior_flag(ptr
, MEM_USE_CACHE_LOOKUPS
, data
);
57 case MEMCACHED_BEHAVIOR_VERIFY_KEY
:
58 set_behavior_flag(ptr
, MEM_VERIFY_KEY
, data
);
60 case MEMCACHED_BEHAVIOR_KETAMA
:
61 set_behavior_flag(ptr
, MEM_USE_KETAMA
, data
);
63 case MEMCACHED_BEHAVIOR_SORT_HOSTS
:
64 set_behavior_flag(ptr
, MEM_USE_SORT_HOSTS
, data
);
66 case MEMCACHED_BEHAVIOR_USER_DATA
:
69 case MEMCACHED_BEHAVIOR_POLL_TIMEOUT
:
71 int32_t timeout
= (*((int32_t *)data
));
73 ptr
->poll_timeout
= timeout
;
76 case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE
:
78 ptr
->send_size
= (*((int *)data
));
82 case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE
:
84 ptr
->recv_size
= (*((int *)data
));
92 return MEMCACHED_SUCCESS
;
95 unsigned long long memcached_behavior_get(memcached_st
*ptr
,
96 memcached_behavior flag
)
98 memcached_flags temp_flag
= 0;
102 case MEMCACHED_BEHAVIOR_SUPPORT_CAS
:
103 temp_flag
= MEM_SUPPORT_CAS
;
105 case MEMCACHED_BEHAVIOR_CACHE_LOOKUPS
:
106 temp_flag
= MEM_USE_CACHE_LOOKUPS
;
108 case MEMCACHED_BEHAVIOR_NO_BLOCK
:
109 temp_flag
= MEM_NO_BLOCK
;
111 case MEMCACHED_BEHAVIOR_BUFFER_REQUESTS
:
112 temp_flag
= MEM_BUFFER_REQUESTS
;
114 case MEMCACHED_BEHAVIOR_TCP_NODELAY
:
115 temp_flag
= MEM_TCP_NODELAY
;
117 case MEMCACHED_BEHAVIOR_VERIFY_KEY
:
118 temp_flag
= MEM_VERIFY_KEY
;
120 case MEMCACHED_BEHAVIOR_DISTRIBUTION
:
121 return ptr
->distribution
;
122 case MEMCACHED_BEHAVIOR_HASH
:
124 case MEMCACHED_BEHAVIOR_KETAMA
:
125 temp_flag
= MEM_USE_KETAMA
;
127 case MEMCACHED_BEHAVIOR_SORT_HOSTS
:
128 temp_flag
= MEM_USE_SORT_HOSTS
;
130 case MEMCACHED_BEHAVIOR_USER_DATA
:
132 case MEMCACHED_BEHAVIOR_POLL_TIMEOUT
:
134 return (unsigned long long)ptr
->poll_timeout
;
136 case MEMCACHED_BEHAVIOR_SOCKET_SEND_SIZE
:
139 socklen_t sock_length
= sizeof(int);
142 /* We just try the first host, and if it is down we return zero */
143 if ((memcached_connect(&ptr
->hosts
[0])) != MEMCACHED_SUCCESS
)
146 if (getsockopt(ptr
->hosts
[0].fd
, SOL_SOCKET
,
147 SO_SNDBUF
, &sock_size
, &sock_length
))
148 return 0; /* Zero means error */
152 case MEMCACHED_BEHAVIOR_SOCKET_RECV_SIZE
:
155 socklen_t sock_length
= sizeof(int);
158 /* We just try the first host, and if it is down we return zero */
159 if ((memcached_connect(&ptr
->hosts
[0])) != MEMCACHED_SUCCESS
)
162 if (getsockopt(ptr
->hosts
[0].fd
, SOL_SOCKET
,
163 SO_RCVBUF
, &sock_size
, &sock_length
))
164 return 0; /* Zero means error */
170 WATCHPOINT_ASSERT(temp_flag
); /* Programming mistake if it gets this far */
171 if (ptr
->flags
& temp_flag
)
176 return MEMCACHED_SUCCESS
;